9" X 42" MILLING MACHINE
w/POWER FEED
MODEL SB1024 - VARIABLE SPEED, 220V, SINGLE-PHASE
MODEL SB1025 - 220V, 3-PHASE
MODEL SB1026 - 220V, SINGLE-PHASE
MODEL
SB1025
MODEL
SB1024
OWNER'S MANUAL
Hundreds of Thousands of Lathes Sold With a Tradition of
Q
uality Since 1906!
Copyright © March, 2010. Revised April, 2011 (BL)
For Machines Mfg. Since 8/09
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Table of Contents
INTRODUCTION
Initial Lubrication .............................................25
Test Run.............................................................25
Spindle Break-In................................................27
Inspections & Adjustments ...............................27
About These Machines.........................................3
Foreword.............................................................3
Capabilities.........................................................3
Features..............................................................3
Front View Identification ....................................4
Model SB1024 Belt Housing &
Headstock Identification......................................5
Model SB1025/SB1026 Belt Housing &
Headstock Identification......................................6
SB1024 Machine Specifications ..........................7
SB1025 Machine Specifications ..........................9
SB1026 Machine Specifications ........................11
OPERATION
Operation Overview...........................................28
Control Panel .....................................................29
Table Movement.................................................29
Graduated Index Rings......................................30
Table Locks .......................................................30
X-Axis Power Feed.............................................31
Head Movement.................................................32
Tilting Head......................................................32
Rotating Head ...................................................33
Tramming Spindle.............................................33
Ram Movement..................................................36
Moving Ram Back-and-Forth .............................36
Rotating Ram ....................................................36
Setting Spindle Speed........................................37
Determining Spindle Speed................................37
Setting Spindle Speed Range .............................37
Setting Spindle Speed........................................41
Downfeed Controls.............................................43
Using the Coarse Downfeed Handle ...................43
Fine Downfeed Controls.....................................45
Using the Fine Downfeed Handwheel.................45
Using the Auto-Downfeed System ......................46
Spindle Brake.....................................................47
Loading/Unloading Tooling...............................48
Loading Tooling.................................................48
Unloading Tooling .............................................48
SAFETY
Understanding Risks of Machinery ..................13
Basic Machine Safety ........................................13
Additional Milling Machine Safety...................15
PREPARATION
Preparation Overview........................................16
Things You'll Need.............................................16
Unpacking ..........................................................17
Inventory............................................................17
Cleaning & Protecting .......................................18
Location..............................................................19
Electrical Installation ........................................19
Lighting ............................................................19
Weight Load......................................................19
Space Allocation ................................................19
Physical Environment........................................19
Lifting & Moving................................................20
Using Eye Bolt ..................................................20
Using Lifting Web Straps...................................20
Leveling & Mounting.........................................21
Leveling ............................................................21
Bolting to Concrete Floors..................................21
Assembly ............................................................22
Ball Handles......................................................22
Knee Crank.......................................................22
Way Covers .....................................................23
Power Connection ..............................................24
SB1024 (220V)...................................................24
SB1025 (220V 3-Phase)......................................24
SB1026 (220V)...................................................24
MAINTENANCE
Maintenance Schedule.......................................49
Ongoing.............................................................49
Before Beginning Operations .............................49
Daily, After Operations......................................49
Monthly Maintenance Chart.............................50
Cleaning .............................................................51
Unpainted & Machined Surfaces........................51
Lubrication.........................................................51
Quill..................................................................52
Table Ways (One-Shot Oiler)..............................52
Speed Range Bearing Sleeve (SB1024 Only) .......53
Headstock Gearing ............................................53
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Ram Ways.........................................................54
Head & Ram Rack & Pinion Gear ......................54
Table Elevation Leadscrew ................................54
Power Feed Gears..............................................54
Cleaning Coolant Reservoir...............................56
Hazards.............................................................56
Cleaning............................................................56
Machine Storage ................................................57
SB1025 Electrical Box .......................................68
SB1025 Electrical Components.........................69
SB1025 Electrical Component Pictures............70
PARTS
Headstock...........................................................71
Quill....................................................................74
SB1024 Gearbox.................................................75
SB1025/SB1026 Gearbox...................................77
SB1024 Belt Housing.........................................79
SB1025/SB1026 Belt Housing...........................81
Ram.....................................................................83
Column, Knee, & Saddle ...................................85
Table...................................................................87
One-Shot Oiler ...................................................89
SB1024/SB1026 Electrical Box .........................90
& Control Panel .................................................90
SB1025 Electrical Box & Control Panel ...........91
Accessories .........................................................92
SB1024 Head Machine Labels ..........................93
SB1024 Main Machine Labels ..........................94
SB1025/SB1026 Machine Labels ......................95
SERVICE
Adjusting Gibs....................................................58
Adjusting Leadscrew Backlash.........................59
Longitudinal Leadscrew Backlash......................59
Cross Leadscrew Backlash.................................60
TROUBLESHOOTING.................................................61
ELECTRICAL
Electrical Safety Instructions ...........................63
Wiring Overview................................................64
SB1024/SB1026 Electrical Box .........................65
SB1024/SB1026 Electrical Components ..........66
SB1024/SB1026 Electrical Component
Pictures...............................................................67
WARRANTY & RETURNS.......................................... 97
South Bend Vertical Spindle Precision Milling Machine
(circa 1958)
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
I N T R O D U C T I O N
About These Machines
Foreword
Capabilities
"Most boys should learn a trade in order that
they may become skilled workmen. The trained
workman is always in demand...When a boy has
learned a trade, becomes a skilled mechanic,
he has excellent equipment with which to begin
life's battle, but he need not stop there. George
Westinghouse, the Wright Brothers, Henry Ford,
and the Studebaker Brothers were mechanics,
and it was their mechanical training that
made their success possible." —Machine Shop
Equipment, 2nd Ed., 1920, by the O'Brien
Brothers, founders of South Bend Lathe.
These Milling Machines are built for daily,
non-stop use in a busy industrial setting, tool
room, or school shop. They are easy to set-up,
truly accurate, and built to give you long years
of service when properly cared for. These milling
machines support workpieces up to 750 lbs. and
are perfect for face milling, end milling, planing,
slot or keyway cutting, dovetailing, routing,
drilling, reaming, and boring to name a few. With
the movable ram and tilting head, all these tasks
can be performed on horizontal, vertical, and
angled surfaces. When equipped with additional
accessories, such as a rotary table or dividing
head, these milling machines can do even more.
The first South Bend milling machine debuted in
the 1950's. During that time, the milling machine
and the already well-established South Bend
lathes created the foundation of many tool rooms
and school shops across America and beyond her
borders. Many young men in those days came
of age on South Bend equipment, becoming
world-class machinists, mechanical engineers,
inventors, and manufacturing visionaries.
Features
These milling machines feature 3-axis table
movement with built-in longitudinal power feed.
They are constructed with high-grade Meehanite
castings, and the saddle and knee ways are
Turcite coated and built with wide dovetails for
maximum support and accuracy through the full
range of movement.
A lot has changed in the world since then. Those
same school shops have mostly been replaced
by computer labs. The technology in the rotary
dial phone, television set, mechanical calculator,
computer, and camera of that decade could
barely fit into one large room together—now
they fit into a tiny box that is no bigger than a
box of breath mints. And the average production
machinist spends more time at a computer than
at a machine. Technology has been much refined
and the world operates on a much faster pace.
To ensure quality work results, we have
equipped these mills with NSK or NTN
spindle bearings that are rated to P4 (ABEC-
7) tolerances. The spindle tapers are R8 and
the spindles have powered down feed with fine,
medium, and coarse feed controls.
The headstocks are mounted on a wide-dovetail
movable ram with 13" of travel on the column
and 360° rotating capability. The headstocks
themselves can swivel 90° left/right or 45°
forward/back so they can be positioned for nearly
any setup needed.
But some things haven't changed. The same
human ingenuity and passion that created the
best mechanical technology of today still exists
within us. The core machines of the modern shop,
like this South Bend milling machine, are still
fundamentally important.
To reduce the time spent doing daily lubrication,
we have outfitted these milling machines with a
one-shot lubrication system that is as quick and
easy as one pump of a lever.
When you think about it, the greatest mechanical
technology of the future will be what we create
today. As the owner of a South Bend milling
machine, you are now part of a great legacy.
What will you create with yours?
And finally, each machine is designed to accept
a circulating coolant system with room for
the pump and reservoir in the column base.
Additional features include a movable work light,
and Allen Bradley electrical controls.
-3-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
I N T R O D U C T I O N
Front View Identification
Motor
Belt Housing
(see Pages 5–6)
Spindle
Brake
Headstock
(see Pages 5–6)
Halogen
Work Light
Ram
Controls
Left X-Axis
Ball Handle
Slotted
Work Table
Right X-Axis
Ball Handle
Power Feed
Limit Switch
X-Axis
Power Feed
Knee Crank
Electrical Cabinet
One-Shot Oiler
Mounting Points
(1 of 4)
Control
Panel
Knee
Y-Axis Ball Handle
Figure 1. Identification—front view (Model SB1024 shown).
-4-
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SB1024/SB1025/SB1026
I N T R O D U C T I O N
Model SB1024 Belt Housing
& Headstock Identification
Motor Assembly
Low Range
Variable Speed
Indicator
High Range
Variable Speed
Indicator
Spindle Brake
Variable Speed
Handwheel
Auto-Downfeed
Rate Selector
Spindle Speed
Range Selector
Auto-Downfeed
Direction Pin
Manual/Power
Downfeed Selector
Fine Downfeed
Handwheel
Coarse
Downfeed
Lever
Downfeed
Clutch Lever
Quill Lock
Lever
Adjustable
Downfeed Stop
Quill
Dial Indicator Rod
Spindle
Figure 2. Model SB1024 belt housing and headstock identification.
Serious personal injury could occur if
you connect the machine to power before
completing the setup process. DO NOT
connect power until instructed to do so later
in this manual.
Untrained users have an increased risk
of seriously injuring themselves with this
machine. Do not operate this machine until
you have understood this entire manual and
received proper training.
SB1024 belt housing & headstock identification
-5-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
I N T R O D U C T I O N
Model SB1025/SB1026 Belt Housing
& Headstock Identification
Motor Assembly
Belt Tension
Adjustment
Lever
High/Low
Range Lever
Motor Lock
Spindle Brake
Lever
Spindle Speed
Range Selector
Auto-Downfeed
Rate Selector
Manual/Power
Downfeed Selector
Auto-Downfeed
Direction Pin
Fine Downfeed
Handwheel
Coarse
Downfeed
Lever
Downfeed
Clutch Lever
Quill Lock
Lever
Adjustable
Downfeed Stop
Quill
Dial Indicator Rod
Spindle
Figure 3. Model SB1025/SB1026 belt housing and headstock identification (Model SB1025 shown).
SB1025-26 belt housing & headstock identification
-6-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
I N T R O D U C T I O N
Machine Specifications
P.O. Box 2027, Bellingham, WA 98227 U.S.A.
0(/.%ꢀ ꢁꢂꢃꢄ ꢅꢂꢆꢇꢈꢉꢆꢄ s © South Bend Lathe Co.
www.southbendlathe.com
Model SB1024
9" x 42" Variable Speed Milling Machine
w/Power Feed
Product Dimensions:
Weight ........................................................................................................................................................................2000 lbs.
Length/Width/Height ...................................................................................................................................... 63" x 58" x 87"
Foot Print (Length/Width) .........................................................................................................................................36" x 24"
Shipping Dimensions:
Type........................................................................................................................................................................Wood Crate
Content........................................................................................................................................................................ Machine
Weight .........................................................................................................................................................................2230 lbs.
Length/Width/Height ....................................................................................................................................... 55" x 55" x 74"
Electrical:
Required Power Source................................................................................................................ 220V, Single-Phase, 60 Hz
Switch............................................................................................................................................................ Forward/Reverse
Switch Voltage.................................................................................................................................................................. 220V
Minimum Circuit Size..................................................................................................................................................20 Amp
Plug Included........................................................................................................................................................................No
Recommended Plug ...............................................................................................................................................NEMA 6-20
Motor:
Type..................................................................................................................................... AEVF Capacitor Start Induction
Horsepower ....................................................................................................................................................................... 2 HP
Voltage .............................................................................................................................................................................. 220V
Phase....................................................................................................................................................................Single-Phase
Amps............................................................................................................................................................................ 14 Amps
Speed ........................................................................................................................................................................ 1725 RPM
Cycle.................................................................................................................................................................................60 Hz
Number Of Speeds...................................................................................................................................................................1
Power Transfer ........................................................................................................................................................ Belt Drive
Bearings ........................................................................................................................ Lubricated and Permanently Sealed
Main Specifications:
Operation Information
Spindle Travel.............................................................................................................................................................. 5"
Longitudinal Table Travel w/Power Feed............................................................................................................. 241⁄2
"
"
Longitudinal Table Travel w/o Power Feed .......................................................................................................... 291⁄2
Cross Table Travel..................................................................................................................................................... 13"
Vertical Table Travel................................................................................................................................................. 16"
Ram Travel................................................................................................................................................................. 13"
Ram Swivel............................................................................................................................................................... 180°
Head Tilt.....................................................................................................................................45° Forward, 45° Back
Head Swivel.......................................................................................................................................90° Right, 90° Left
-7-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
I N T R O D U C T I O N
Distance Range Spindle to Column.....................................................................................................................6"–19"
Distance Range Spindle to Table.........................................................................................................................0"–18"
Drilling Capacity for Cast Iron................................................................................................................................... 1"
Drilling Capacity for Steel ......................................................................................................................................... 3⁄4
"
Number of Spindle Speeds ............................................................................................................................... Variable
Low Range of Spindle Speeds ................................................................................................................... 60–500 RPM
High Range of Spindle Speeds.............................................................................................................. 500–4200 RPM
Number of Longitudinal Feed Rates ............................................................................................................... Variable
Longitudinal Feed Rate Range .................................................................................................................... 0–31⁄3 FPM
Quill Diameter ...................................................................................................................................................... 3.375"
Number of Quill Auto-Feed Rates ................................................................................................................................3
Quill Auto-Feed Rates .......................................................................................................0.0015, 0.003, 0.006 in./rev.
Table Information
Length/Width/Thickness............................................................................................................................. 42" x 9" x 3"
Number of T-Slots..........................................................................................................................................................3
T-Slot Width/Height ............................................................................................................................................5⁄8" x 1"
T-Slot Distance Center-to-Center ............................................................................................................................ 21⁄2
Stud Size...................................................................................................................................................................... 1⁄2
"
"
Spindle Information
Spindle Taper.............................................................................................................................................................. R8
End Milling Capacity................................................................................................................................................... 1"
Face Milling Capacity.................................................................................................................................................. 4"
Draw Bar Diameter/TPI.......................................................................................................................................7⁄16"-20
Draw Bar Length.................................................................................................................................................... 181⁄2
"
Spindle Bearing Type ..............................................Angular Contact P4 (ABEC7) & Double-Shielded Ball Bearing
Spindle Diameter....................................................................................................................................................113⁄16"
Construction
Quill .........................................................................................................................................................Chromed Steel
Table .............................................................................................................Hardened & Precision-Ground Cast Iron
Headstock...................................................................................................................................... Meehanite Cast Iron
Column & Base ............................................................................................................................. Meehanite Cast Iron
Knee & Saddle............................................................................................................................... Meehanite Cast Iron
Paint .................................................................................................................................................................Urethane
Other Specifications
Machine No-Load Sound Level @ 3500 RPM ................................................................................................................55 dB
Country of Origin ......................................................................................................................................................... Taiwan
Warranty.........................................................................................................................................................................1 Year
Serial Number Location..........................................................................Machine ID Label On Right Side of Belt Housing
Customer Setup & Cleaning Time ......................................................................................................................... 1–2 Hours
Features
High-Quality, Low-Vibration AEVF Spindle Motor
P4 (ABEC-7) High-Quality Angular Contact Spindle Bearings
X & Y Leadscrew Nuts Double-Bronzed for Ultra-Smooth Movement w/Minimal Backlash
Lever-Action, One-Shot Pump Lubrication System
Auto-Downfeed Stop with Micro-Adjustable Stop
Variable Speed Longitudinal Power Feed
Hardened and Precision-Ground Table Surface
Chromed Steel Quill
Heavy-Duty Spindle Brake
Halogen Work Light
-8-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
I N T R O D U C T I O N
Machine Specifications
P.O. Box 2027, Bellingham, WA 98227 U.S.A.
0(/.%ꢀ ꢁꢂꢃꢄ ꢅꢂꢆꢇꢈꢉꢆꢄ s © South Bend Lathe Co.
www.southbendlathe.com
Model SB1025
9" x 42" Milling Machine
w/Power Feed
Product Dimensions:
Weight ........................................................................................................................................................................1920 lbs.
Length/Width/Height ...................................................................................................................................... 63" x 58" x 81"
Foot Print (Length/Width) .........................................................................................................................................36" x 24"
Shipping Dimensions:
Type........................................................................................................................................................................Wood Crate
Content........................................................................................................................................................................ Machine
Weight .........................................................................................................................................................................2160 lbs.
Length/Width/Height ....................................................................................................................................... 55" x 55" x 74"
Electrical:
Required Power Source.........................................................................................................................220V, 3-Phase, 60 Hz
Switch.........................................................................................................................................Two-Speed Forward/Reverse
Switch Voltage.................................................................................................................................................................. 220V
Minimum Circuit Size..................................................................................................................................................15 Amp
Plug Included........................................................................................................................................................................No
Recommended Plug .............................................................................................................................................NEMA 15-15
Motor:
Type................................................................................................................................................................ AEVF Induction
Horsepower ....................................................................................................................................................................... 2 HP
Voltage .............................................................................................................................................................................. 220V
Phase............................................................................................................................................................................ 3-Phase
Amps........................................................................................................................................................................ 6/5.6 Amps
Number Of Speeds...................................................................................................................................................................2
Speeds ............................................................................................................................................................. 3450/1725 RPM
Cycle.................................................................................................................................................................................60 Hz
Power Transfer ........................................................................................................................................................ Belt Drive
Bearings ........................................................................................................................ Lubricated and Permanently Sealed
Main Specifications:
Operation Information
Spindle Travel.............................................................................................................................................................. 5"
Longitudinal Table Travel w/Power Feed............................................................................................................. 241⁄2
"
"
Longitudinal Table Travel w/o Power Feed .......................................................................................................... 291⁄2
Cross Table Travel..................................................................................................................................................... 13"
Vertical Table Travel................................................................................................................................................. 16"
Ram Travel................................................................................................................................................................. 13"
Ram Swivel............................................................................................................................................................... 180°
Head Tilt.....................................................................................................................................45° Forward, 45° Back
Head Swivel.......................................................................................................................................90° Right, 90° Left
-9-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
I N T R O D U C T I O N
Operation Information (continued)
Distance Range Spindle to Column.....................................................................................................................6"–19"
Distance Range Spindle to Table.........................................................................................................................0"–18"
Drilling Capacity for Cast Iron................................................................................................................................... 1"
Drilling Capacity for Steel ......................................................................................................................................... 3⁄4
"
Number of Spindle Speeds ..........................................................................................................................................16
Low Range of Spindle Speeds w/Motor @ 1725 RPM..............................................................80, 140, 220, 325 RPM
Low Range of Spindle Speeds w/Motor @ 3450 RPM............................................................160, 280, 440, 650 RPM
High Range of Spindle Speeds w/Motor @ 1725 RPM.....................................................710, 1170, 1860, 2800 RPM
High Range of Spindle Speeds w/Motor @ 3450 RPM...................................................1420, 2340, 3720, 5600 RPM
Number of Longitudinal Feed Rates ............................................................................................................... Variable
Longitudinal Feed Rate Range .................................................................................................................... 0–31⁄3 FPM
Quill Diameter ...................................................................................................................................................... 3.375"
Number of Quill Auto-Feed Rates ................................................................................................................................3
Quill Auto-Feed Rates .......................................................................................................0.0015, 0.003, 0.006 in./rev.
Table Information
Length/Width/Thickness............................................................................................................................. 42" x 9" x 3"
Number of T-Slots..........................................................................................................................................................3
T-Slot Width/Height ............................................................................................................................................5⁄8" x 1"
T-Slot Distance Center-to-Center ............................................................................................................................ 21⁄2
Stud Size...................................................................................................................................................................... 1⁄2
"
"
Spindle Information
Spindle Taper.............................................................................................................................................................. R8
End Milling Capacity................................................................................................................................................... 1"
Face Milling Capacity.................................................................................................................................................. 4"
Draw Bar Diameter/TPI.......................................................................................................................................7⁄16"-20
Draw Bar Length.................................................................................................................................................... 181⁄2
"
Spindle Bearing Type .............................................Angular Contact P4 (ABEC-7) & Double-Shielded Ball Bearing
Spindle Diameter....................................................................................................................................................113⁄16"
Construction
Quill .........................................................................................................................................................Chromed Steel
Table .............................................................................................................Hardened & Precision-Ground Cast Iron
Headstock...................................................................................................................................... Meehanite Cast Iron
Column & Base ............................................................................................................................. Meehanite Cast Iron
Knee & Saddle............................................................................................................................... Meehanite Cast Iron
Paint .................................................................................................................................................................Urethane
Other Specifications
Machine No-Load Sound Level @ 3500 RPM ................................................................................................................55 dB
Country of Origin ......................................................................................................................................................... Taiwan
Warranty.........................................................................................................................................................................1 Year
Serial Number Location.......................................................................................Machine ID Label On Column Right Side
Customer Setup & Cleaning Time ......................................................................................................................... 1–2 Hours
Features
High-Quality, Low-Vibration AEVF Spindle Motor
P4 (ABEC-7) High-Quality Angular Contact Spindle Bearings
X & Y Leadscrew Nuts Double-Bronzed for Ultra-Smooth Movement w/Minimal Backlash
Lever-Action, One-Shot Pump Lubrication System
Auto-Downfeed Stop with Micro-Adjustable Stop
Variable Speed Longitudinal Power Feed
Hardened and Precision-Ground Table Surface
Chromed Steel Quill
Heavy-Duty Spindle Brake
Halogen Work Light
-10-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
I N T R O D U C T I O N
Machine Specifications
P.O. Box 2027, Bellingham, WA 98227 U.S.A.
0(/.%ꢀ ꢁꢂꢃꢄ ꢅꢂꢆꢇꢈꢉꢆꢄ s © South Bend Lathe Co.
www.southbendlathe.com
Model SB1026
9" x 42" Milling Machine
w/Power Feed
Product Dimensions:
Weight ........................................................................................................................................................................1940 lbs.
Length/Width/Height ...................................................................................................................................... 63" x 58" x 86"
Foot Print (Length/Width) .........................................................................................................................................36" x 24"
Shipping Dimensions:
Type........................................................................................................................................................................Wood Crate
Content........................................................................................................................................................................ Machine
Weight .........................................................................................................................................................................2185 lbs.
Length/Width/Height ....................................................................................................................................... 55" x 55" x 74"
Electrical:
Required Power Source................................................................................................................ 220V, Single-Phase, 60 Hz
Switch............................................................................................................................................................ Forward/Reverse
Switch Voltage.................................................................................................................................................................. 220V
Minimum Circuit Size..................................................................................................................................................20 Amp
Plug Included........................................................................................................................................................................No
Recommended Plug ...............................................................................................................................................NEMA 6-20
Motor:
Type..................................................................................................................................... AEVF Capacitor Start Induction
Horsepower ....................................................................................................................................................................... 2 HP
Voltage .............................................................................................................................................................................. 220V
Phase....................................................................................................................................................................Single-Phase
Amps............................................................................................................................................................................ 14 Amps
Speed ........................................................................................................................................................................ 1725 RPM
Cycle.................................................................................................................................................................................60 Hz
Number Of Speeds...................................................................................................................................................................1
Power Transfer ........................................................................................................................................................ Belt Drive
Bearings ........................................................................................................................ Lubricated and Permanently Sealed
Main Specifications:
Operation Information
Spindle Travel.............................................................................................................................................................. 5"
Longitudinal Table Travel w/Power Feed............................................................................................................. 241⁄2
"
"
Longitudinal Table Travel w/o Power Feed .......................................................................................................... 291⁄2
Cross Table Travel..................................................................................................................................................... 13"
Vertical Table Travel................................................................................................................................................. 16"
Ram Travel................................................................................................................................................................. 13"
Ram Swivel............................................................................................................................................................... 180°
Head Tilt.....................................................................................................................................45° Forward, 45° Back
Head Swivel.......................................................................................................................................90° Right, 90° Left
-11-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
I N T R O D U C T I O N
Operation Information (continued)
Distance Range Spindle to Column.....................................................................................................................6"–19"
Distance Range Spindle to Table.........................................................................................................................0"–18"
Drilling Capacity for Cast Iron................................................................................................................................... 1"
Drilling Capacity for Steel ......................................................................................................................................... 3⁄4
"
Number of Spindle Speeds ............................................................................................................................................8
Low Range of Spindle Speeds...................................................................................................80, 140, 220, 325 RPM
High Range of Spindle Speeds..........................................................................................710, 1170, 1860, 2800 RPM
Number of Longitudinal Feed Rates ............................................................................................................... Variable
Longitudinal Feed Rate Range .................................................................................................................... 0–31⁄3 FPM
Quill Diameter ...................................................................................................................................................... 3.375"
Number of Quill Auto-Feed Rates ................................................................................................................................3
Quill Auto-Feed Rates .......................................................................................................0.0015, 0.003, 0.006 in./rev.
Table Information
Length/Width/Thickness............................................................................................................................. 42" x 9" x 3"
Number of T-Slots..........................................................................................................................................................3
T-Slot Width/Height ............................................................................................................................................5⁄8" x 1"
T-Slot Distance Center-to-Center ............................................................................................................................ 21⁄2
Stud Size...................................................................................................................................................................... 1⁄2
"
"
Spindle Information
Spindle Taper.............................................................................................................................................................. R8
End Milling Capacity................................................................................................................................................... 1"
Face Milling Capacity.................................................................................................................................................. 4"
Draw Bar Diameter/TPI.......................................................................................................................................7⁄16"-20
Draw Bar Length.................................................................................................................................................... 181⁄2
"
Spindle Bearing Type .............................................Angular Contact P4 (ABEC-7) & Double-Shielded Ball Bearing
Spindle Diameter....................................................................................................................................................113⁄16"
Construction
Quill .........................................................................................................................................................Chromed Steel
Table .............................................................................................................Hardened & Precision-Ground Cast Iron
Headstock...................................................................................................................................... Meehanite Cast Iron
Column & Base ............................................................................................................................. Meehanite Cast Iron
Knee & Saddle............................................................................................................................... Meehanite Cast Iron
Paint .................................................................................................................................................................Urethane
Other Specifications
Machine No-Load Sound Level @ 3500 RPM ................................................................................................................55 dB
Country of Origin ......................................................................................................................................................... Taiwan
Warranty.........................................................................................................................................................................1 Year
Serial Number Location.......................................................................................Machine ID Label On Column Right Side
Customer Setup & Cleaning Time ......................................................................................................................... 1–2 Hours
Features
High-Quality, Low-Vibration AEVF Spindle Motor
P4 (ABEC-7) High-Quality Angular Contact Spindle Bearings
X & Y Leadscrew Nuts Double-Bronzed for Ultra-Smooth Movement w/Minimal Backlash
Lever-Action, One-Shot Pump Lubrication System
Auto-Downfeed Stop with Micro-Adjustable Stop
Variable Speed Longitudinal Power Feed
Hardened and Precision-Ground Table Surface
Chromed Steel Quill
Heavy-Duty Spindle Brake
Halogen Work Light
-12-
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SB1024/SB1025/SB1026
S A F E T Y
Understanding Risks of Machinery
Operating all machinery and machining equipment can be dangerous or relatively safe depending
on how it is installed and maintained, and the operator's experience, common sense, risk awareness,
working conditions, and use of personal protective equipment (safety glasses, respirators, etc.).
The owner of this machinery or equipment is ultimately responsible for its safe use. This
responsibility includes proper installation in a safe environment, personnel training and usage
authorization, regular inspection and maintenance, manual availability and comprehension,
application of safety devices, integrity of cutting tools or accessories, and the usage of approved
personal protective equipment by all operators and bystanders.
The manufacturer of this machinery or equipment will not be held liable for injury or property
damage from negligence, improper training, machine modifications, or misuse. Failure to read,
understand, and follow the manual and safety labels may result in serious personal injury, including
amputation, broken bones, electrocution, or death.
The signals used in this manual to identify hazard levels are defined as follows:
Death or catastrophic
harm WILL occur.
Moderate injury or fire
MAY occur.
Death or catastrophic
harm COULD occur.
Machine or property
damage may occur.
Basic Machine Safety
1. Owner’s Manual: All machinery and
machining equipment presents serious
injury hazards to untrained users. To
reduce the risk of injury, anyone who uses
THIS item MUST read and understand
this entire manual before starting.
3. Trained/Supervised Operators Only:
Untrained users can seriously injure
themselves or bystanders. Only allow
trained and properly supervised personnel
to operate this item. Make sure safe
operation instructions are clearly
understood. If electrically powered, use
padlocks and master switches, and remove
start switch keys to prevent unauthorized
use or accidental starting.
2. Personal Protective Equipment: Operating
or servicing this item may expose the user
to flying debris, dust, smoke, dangerous
chemicals, or loud noises. These hazards
can result in eye injury, blindness, long-
term respiratory damage, poisoning,
4. Guards/Covers: Accidental contact with
moving parts during operation may cause
severe entanglement, impact, cutting,
or crushing injuries. Reduce this risk by
keeping any included guards/covers/doors
installed, fully functional, and positioned
for maximum protection.
cancer, reproductive harm or hearing loss.
Reduce your risks from these hazards
by wearing approved eye protection,
respirator, gloves, or hearing protection.
-13-
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S A F E T Y
5. Entanglement: Loose clothing, gloves,
neckties, jewelry or long hair may
get caught in moving parts, causing
entanglement, amputation, crushing,
or strangulation. Reduce this risk by
removing/securing these items so they
cannot contact moving parts.
11. Chuck Keys or Adjusting Tools: Tools used
to adjust spindles, chucks, or any moving/
rotating parts will become dangerous
projectiles if left in place when the machine
is started. Reduce this risk by developing
the habit of always removing these tools
immediately after using them.
12. Work Area: Clutter and dark shadows
increase the risks of accidental injury.
Only operate this item in a clean, non-
glaring, and well-lighted work area.
6. Mental Alertness: Operating this item
with reduced mental alertness increases
the risk of accidental injury. Do not let a
temporary influence or distraction lead to a
permanent disability! Never operate when
under the influence of drugs/alcohol, when
tired, or otherwise distracted.
13. Properly Functioning Equipment: Poorly
maintained, damaged, or malfunctioning
equipment has higher risks of causing
serious personal injury compared to
those that are properly maintained.
To reduce this risk, always maintain
this item to the highest standards and
promptly repair/service a damaged or
malfunctioning component. Always follow
the maintenance instructions included in
this documentation.
7. Safe Environment: Operating electrically
powered equipment in a wet environment
may result in electrocution; operating near
highly flammable materials may result in a
fire or explosion. Only operate this item in
a dry location that is free from flammable
materials.
8. Electrical Connection: With electically
powered equipment, improper connections
to the power source may result in
14. Unattended Operation: Electrically
powered equipment that is left unattended
while running cannot be controlled and is
dangerous to bystanders. Always turn the
power OFF before walking away.
electrocution or fire. Always adhere to all
electrical requirements and applicable
codes when connecting to the power source.
Have all work inspected by a qualified
electrician to minimize risk.
15. Health Hazards: Certain cutting fluids
and lubricants, or dust/smoke created
when cutting, may contain chemicals
known to the State of California to cause
cancer, respiratory problems, birth defects,
or other reproductive harm. Minimize
exposure to these chemicals by wearing
approved personal protective equipment
and operating in a well ventilated area.
9. Disconnect Power: Adjusting or servicing
electrically powered equipment while it
is connected to the power source greatly
increases the risk of injury from accidental
startup. Always disconnect power
BEFORE any service or adjustments,
including changing blades or other tooling.
16. Difficult Operations: Attempting
difficult operations with which you are
unfamiliar increases the risk of injury.
If you experience difficulties performing
the intended operation, STOP! Seek an
alternative method to accomplish the
same task, ask a qualified expert how the
operation should be performed, or contact
our Technical Support for assistance.
10. Secure Workpiece/Tooling: Loose
workpieces, cutting tools, or rotating
spindles can become dangerous projectiles
if not secured or if they hit another object
during operation. Reduce the risk of this
hazard by verifying that all fastening
devices are properly secured and items
attached to spindles have enough clearance
to safely rotate.
-14-
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SB1024/SB1025/SB1026
S A F E T Y
Additional Milling Machine Safety
1. Understanding Controls: The mill is a
complex machine that presents severe
cutting or amputation hazards if used
incorrectly. Make sure you understand the
use and operation of all controls before you
begin milling.
6. Stopping Spindle: To reduce the risk of hand
injuries or entanglement hazards, DO NOT
attempt to stop the spindle with your hand
or a tool. Allow the spindle to stop on its own
or use the spindle brake.
7. Chip Cleanup: Chips from the operation are
sharp and hot, which can cause burns or
cuts. Using compressed air to clear chips
could cause them to fly into your eyes, and
may drive them deep into the working parts
of the machine. Use a brush or vacuum
to clear away chips and debris from the
machine or workpiece and NEVER clear
chips while the spindle is turning.
2. Safety Accessories: Flying chips or debris
from the cutting operation can cause eye
injury or blindness. Always use a chip guard
in addition to your safety glasses or use a
face shield when milling.
3. Work Holding: Milling a workpiece that is
not properly clamped to the table could cause
the workpiece to fly into the operator with
deadly force! Before starting the machine,
be certain the workpiece has been properly
clamped to the table. NEVER hold the
workpiece by hand during operation.
8. Machine Care & Maintenance: Operating
the mill with excessively worn or damaged
machine parts increases the risk of machine
or workpiece breakage which could eject
hazardous debris at the operator. Operating
a mill in poor condition will also reduce
the quality of the results. To reduce this
risk, maintain the mill in proper working
condition by ALWAYS promptly performing
routine inspections and maintenance.
4. Spindle Speed: To avoid tool or workpiece
breakage that could send flying debris at
the operator and bystanders, use the correct
spindle speed for the operation. Allow the
mill to gain full speed before beginning the
cut.
9. Cutting Tool Usage: Cutting tools have very
sharp leading edges—handle them with care!
Using cutting tools that are in good condition
helps to ensure quality milling results and
reduces the risk of personal injury from
broken tool debris. Inspect cutting tools for
sharpness, chips, or cracks before each use,
and ALWAYS make sure the cutting tools
are firmly held in place before starting the
machine.
5. Spindle Direction Change: Changing spindle
rotation direction while it is spinning could
lead to impact injury from broken tool or
workpiece debris, and workpiece or machine
damage. ALWAYS make sure the spindle is
at a complete stop before changing spindle
direction.
-15-
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P R E P A R AT I O N
Preparation Overview Things You'll Need
The purpose of the preparation section is to help
you prepare your machine for operation.
During the setup process, operation, and
maintenance of the machine, you'll need the
following items:
The typical preparation process is as follows:
1. Unpack the machine and inventory the
For Lifting (Page 20)
s
! FORKLIFT OR OTHER POWER LIFTING DEVICE
rated for more than the weight of the
machine.
contents of the box/crate.
2. Clean the machine and its components.
s
s
Two lifting web straps rated for the
weight of the machine.
3. Identify an acceptable location for the
!T LEAST TWO OTHER PERSONS TO HELP WITH
the operation.
machine and move it to that location.
4. Level the machine and either bolt it to the
For Power Connection
floor or place it on mounts.
s
7E RECOMMEND A QUALIFIED ELECTRICIAN
to ensure a safe and code-compliant
connection to the power source. (Refer to
Page 24 for details.)
5. Assemble the loose components and make
any necessary adjustments or inspections to
ensure the machine is ready for operation.
For Assembly
6. Connect the machine to the power source.
s
s
s
Cotton disposable rags
Cleaner/degreaser (see Page 18)
3AFETY glasses for each person
7. Test run the machine to make sure it
functions properly and is ready for operation.
-16-
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P R E P A R AT I O N
Unpacking
A
This item was carefully packaged to prevent
damage during transport. If you discover any
damage, please immediately call Customer
Service at (360) 734-1540 for advice. You may
need to file a freight claim, so save the containers
and all packing materials for possible inspection
by the carrier or its agent.
B
D
C
E
G
F
Inventory
H
After all of the parts other than the mill have
been removed from the shipping crate, you
should have the following inventory.
I
M
Description (Figure 4)
Qty
N
L
J
A. Front Way Cover............................................1
B. Rear Way Cover .............................................1
C. Fine Downfeed Handwheel............................1
D. Drawbar 7⁄16"-20 x 181⁄2"..................................1
E. Ball Handles (Left Y-Axis, X-Axis) ...............2
F. Ball Handle (Power Feed)..............................1
G. Ball Handle Handles......................................3
H. Oil Bottle ........................................................1
I. Tool Box..........................................................1
J. Combo Closed-End Wrench 19/21mm...........1
K. Combo Open-End Wrench 12/14mm.............1
L. Coarse Downfeed Lever.................................1
M. Knee Crank ....................................................1
N. SB1025/SB1026 Belt Housing
O
K
P
Figure 4. Small part inventory.
Safety Covers .................................................2
O. Hex Wrench Set 1.5–10mm...........................1
P. Screwdrivers Slotted #2, Phillips #2....1 Each
-17-
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P R E P A R AT I O N
Cleaning & Protecting
The unpainted surfaces are coated at the factory
with a heavy-duty rust preventative that
prevents corrosion during shipment and storage.
The benefit of this rust preventative is that it
works very well. The downside is that it can be
time-consuming to thoroughly remove.
Many cleaning solvents are
toxic if inhaled. Minimize
your risk by only using
these products in a well
ventilated area.
Be patient and do a careful job when cleaning
and removing the rust preventative. The time
you spend doing this will reward you with
smooth-sliding parts and a better appreciation
for the proper care of the unpainted surfaces.
Avoid chlorine-based solvents, such as
acetone or brake parts cleaner that may
damage painted surfaces. Always follow the
manufacturer’s instructions when using any
type of cleaning product.
Although there are many ways to successfully
remove the rust preventative, we have cleaned
thousands of machines and found the following
process to be the best balance between efficiency
and minimized exposure to toxic fumes or
chemicals.
Basic steps for removing rust preventative:
1. Put on safety glasses and disposable gloves.
2. #OAT ALL SURFACES THAT HAVE RUST PREVENTATIVE
with a liberal amount of your cleaner or
degreaser and let them soak for a few
minutes.
Before cleaning, gather the following:
s
s
$ISPOSABLE rags
#LEANERꢀDEGREASER (certain citrus-based
degreasers work extremely well and they
have non-toxic fumes)
3. Wipe off the surfaces. If your cleaner or
degreaser is effective, the rust preventative
will wipe off easily.
s
3AFETY GLASSES ꢁ DISPOSABLE GLOVES
Note: To clean off thick coats of rust preventative
on flat surfaces, such as beds or tables, use
A 0,!34)# PAINT SCRAPER TO SCRAPE OFF THE
majority of the coating before wiping it off
WITH YOUR RAGꢄ ꢅ$O NOT USE A METAL SCRAPER OR
it may scratch the surface.)
Note: Automotive degreasers, mineral spirits, or
7$sꢂꢃ CAN BE USED TO REMOVE RUST PREVENTATIVEꢄ
Before using these products, though, test them
on an inconspicuous area of a painted area to
make sure they will not damage it.
4. Repeat Steps 2–3 as necessary until clean,
then coat all unpainted surfaces with a
quality metal protectant or light oil to
prevent rust.
Gasoline and petroleum
products have low flash
points and can explode
or cause fire if used for
cleaning. Avoid using these
products to remove rust
preventative.
Cleaning
-18-
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P R E P A R AT I O N
Weight Load
Location
Refer to the Machine Specifications for the
weight of your machine. Make sure that the
surface upon which the machine is placed will
bear the weight of the machine, additional
equipment that may be installed on the machine,
and the heaviest workpiece that will be used.
Additionally, consider the weight of the operator
and any dynamic loading that may occur when
operating the machine.
Physical Environment
The physical environment where your machine
is operated is important for safe operation and
longevity of parts. For best results, operate this
machine in a dry environment that is free from
excessive moisture, hazardous or flammable
chemicals, airborne abrasives, or extreme
conditions. Extreme conditions for this type
of machinery are generally those where the
ambient temperature is outside the range of 41°–
104°F; the relative humidity is outside the range
of 20–95% (non-condensing); or the environment
is subject to vibration, shocks, or bumps.
Space Allocation
Consider the largest size of workpiece that will
be processed through this machine and provide
enough space around the machine for adequate
operator material handling or the installation
of auxiliary equipment. With permanent
installations, leave enough space around
the machine to open or remove doors/covers
as required by the maintenance and service
described in this manual.
Electrical Installation
Place this machine near an existing power
source. Make sure all power cords are protected
from traffic, material handling, moisture,
chemicals, or other hazards. Make sure to leave
access to a means of disconnecting the power
source or engaging a lockout/tagout device.
Children or untrained
people may be seriously
injured by this machine.
Only install in an access
restricted location.
Lighting
Lighting around the machine must be adequate
enough that operations can be performed
safely. Shadows, glare, or strobe effects that
may distract or impede the operator must be
eliminated.
Wall
30"
23"
38"
30"
24"
1
81⁄2
"
= Power connection
36"
66"
Figure 5. Space required for full range of movement.
-19-
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2. Place the lifting web straps under the ram
and connect them to the safety hook, as
illustrated in Figure 6.
Lifting & Moving
Note: Place padding between the straps and the
mill to protect the ram and ways, and to
keep from cutting the web straps.
This machine and its
parts are heavy! Serious
personal injury may occur
if safe moving methods are
not used. To reduce the
risk of a lifting or dropping
injury, ask others for help
and use power equipment.
3. Unbolt the mill from the shipping pallet.
4. With your assistants steadying the load to
keep it from swaying, lift the mill a couple of
inches.
— If the mill tips to one side, lower to the
ground and adjust the ram or table to
balance the load. Make sure to re-tighten
the lock levers and bolts before lifting the
mill again.
The method of lifting and moving the mill
described below requires at least two other
people for assistance and a forklift with two
lifting web straps rated for at least 3000 lbs.
each.
— If the mill lifts evenly, continue to move it
to its permanent location.
Important: Before lifting the mill, make sure
the four turret lock bolts (two on either side of
the ram) are torqued to 47 ft/lbs.
To lift and move the mill:
1. Swing the ram around 180° from the position
that it was shipped in, then rotate the
head upright, as illustrated in Figure 6
(refer to Ram Movement on Page 36 and
Headstock Movement on Page 32 for
detailed instructions).
Note: After re-positioning the ram and
headstock, make sure they are locked in
place to prevent unexpected movement
during lifting and moving.
Lifting
Web Straps
Figure 6. Using web straps to lift the mill.
-20-
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Bolting to Concrete Floors
Leveling & Mounting
Generally, you can either bolt your machine
to the floor or mount it on machine mounts.
Although not required, we recommend that you
secure the machine to the floor and level it while
doing so. Because this is an optional step and
floor materials may vary, hardware for securing
the machine to the floor is not included.
Anchor
Bolt
We strongly recommend securing your
machine to the floor if it is hardwired to the
power source. Consult with your electrician to
ensure compliance with local codes.
Lag Screw
and Anchor
Leveling
Leveling machinery helps precision components,
such as bed ways, remain straight and flat
during the lifespan of the machine. Components
on an unleveled machine may slowly twist due to
the dynamic loads placed on the machine during
operation.
Figure 8. Common types of fasteners for bolting
machinery to concrete floors.
For best results, use a precision level that
is at least 12" long and sensitive enough to
show a distinct movement when a 0.003" shim
(approximately the thickness of one sheet of
standard newspaper) is placed under one end of
the level.
See the figure below for an example of a high
precision level.
Figure 7. Example of a precision level.
-21-
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4. Secure the ball handles with the hex nuts
Assembly
removed in Step 1.
Note: Tighten the hex nuts just until they are
snug. Overtightening could increase the
wear of the moving parts.
Ball Handles
The ball handles for either end of the X-axis
leadscrew have spring-loaded, keyed center
bushings, as shown in Figure 9. This allows
them to disengage from the leadscrew when
using the power feed, avoiding an entanglement
hazard.
5. Remove the hex nut from the Y-axis
leadscrew.
6. Align the keyway of the remaining ball
handle with the leadscrew key, slide the
Y-axis ball handle (see Figure 9) onto the
leadscrew, then secure it in place with the
removed hex nut.
Ball Handle
Handle
X-Axis
Spring-Loaded
Bushing
7. Thread the handles into the small end of
the ball handles and tighten them with a
wrench.
Knee Crank
Slide the knee crank onto the shaft so that the
teeth of the crank and shaft engage, as shown in
Figure 10.
Y-Axis
Ball Handle
Figure 9. Ball handle assemblies.
To install the ball handles:
1. Remove the hex nuts from both ends of the
X-axis leadscrew.
2. Identify the two ball handles with the
spring-loaded center bushings (see
Figure 9).
Knee Crank
Teeth Engaged
3. Position the ball handle so that the
protruding part of the bushing is facing
toward the table, align the keyway with the
X-axis leadscrew key, then slide it onto the
leadscrew.
Figure 10. Knee crank and shaft teeth engaged.
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P R E P A R AT I O N
2. Remove the four button-head cap screws
shown in Figure 12 from the column and
the rear of the table, position the rear
way cover in place, then secure it with the
removed cap screws.
Way Covers
1. Remove the five button-head cap screws
shown in Figure 11 from the front of the
saddle and knee, position the pleated way
cover in place, then secure it with the
removed cap screws.
Cap Screws
Cap
Screws
Figure 12. Rear way cover installed.
Figure 11. Front way cover installed.
-23-
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P R E P A R AT I O N
SB1025 (220V 3-Phase)
Power Connection
Full Load Amp Draw ........................... 6/5.6 Amps
Required Voltage Range ................................ 220V
Phase ..........................................................3-Phase
Frequency...................................................... 60 Hz
Minimum Circuit Size ............................. 15 Amps
Recommended Power Cord...14 AWG/4C/300VAC
Recommended Plug/Receptacle........ NEMA 15-15
Minimum Extension Cord Size ................14 AWG
Maximum Extension Cord Length................ 50 ft.
Electrocution or fire
may occur if machine is
ungrounded, incorrectly
connected to power, or
connected to an undersized
circuit. Use a qualified
electrician to ensure a safe
power connection.
SB1026 (220V)
Full Load Amp Draw ............................... 14 Amps
Required Voltage Range ................................ 220V
Phase ................................................. Single-Phase
Frequency...................................................... 60 Hz
Minimum Circuit Size ............................. 20 Amps
Recommended Power Cord...14 AWG/3C/300VAC
Recommended Plug/Receptacle.......... NEMA 6-20
Minimum Extension Cord Size ................14 AWG
Maximum Extension Cord Length................ 50 ft.
Once the machine is set up and assembled as
previously described in this manual, it is ready to
be connected to the power source.
Note About Extension Cords: Using an
incorrectly sized extension cord may decrease the
life of electrical components on the machine.
Note About 3-Phase Power: DO NOT use a
static phase converter to create 3-phase power—
it can quickly decrease the life of electrical
components on the machine. If you must use
a phase converter, only use a rotary phase
converter and connect the manufactured leg to
the correct power connection terminal, shown in
the wiring diagrams on Page 65.
To connect the mill to power:
1. Make sure the incoming power source and
the power cord meet the requirements listed
above.
2. Use the correct size strain relief when you
feed the power cord through the bottom of
the electrical cabinet.
SB1024 (220V)
Full Load Amp Draw ............................... 14 Amps
Required Voltage Range ................................ 220V
Phase ................................................. Single-Phase
Frequency...................................................... 60 Hz
Minimum Circuit Size ............................. 20 Amps
Recommended Power Cord...14 AWG/3C/300VAC
Recommended Plug/Receptacle.......... NEMA 6-20
Minimum Extension Cord Size ................14 AWG
Maximum Extension Cord Length................ 50 ft.
3. Terminate the power cord as illustrated in
the Electrical Box Wiring Diagrams on
Pages 65–68.
4. We recommend that you connect the other
end to a NEMA 6-20 plug.
-24-
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5. Move the downfeed selector to the manual
(forward) position so that the spindle does
not downfeed during this test (refer to the
Downfeed Operations section on Page 43
for detailed instructions).
Initial Lubrication
The machine was fully lubricated at the
factory, but we strongly recommend that
before performing the Test Run you inspect
all lubrication points yourself and provide
additional lubrication if necessary. Refer to the
Lubrication section on Page 51 for specific
details.
6. Push the emergency STOP button in (see
Figures 13–14), then twist it clockwise until
it pops out. When the switch pops out, the
mill is ready for operation.
ON Button
Test Run
After all preparation steps have been completed,
the machine and its safety features must be
tested to ensure correct operation. If you discover
a problem with the operation of the machine or
its safety components, do not operate it further
until you have resolved the problem.
Power Lamp
Spindle
Direction
Switch
Emergency
STOP
If you discover a problem with the operation
of the machine or its safety components, do
not operate it further until you have resolved
the problem. Refer to the Troubleshooting
section on Page 61 for solutions to common
problems that may occur with all mills. If you
need additional help, contact our Tech Support at
(360) 734-1540.
OFF Button
Figure 13. Model SB1025 control panel.
ON Button
To test run the machine:
Power Lamp
Spindle
Direction
Switch
1. Read and follow the safety instructions at
the beginning of the manual, take required
safety precautions, and make sure the
machine is set up and adjusted properly
2. Clear away all tools and objects used during
Emergency STOP
assembly and preparation.
OFF Button
3. Make sure that the mill is properly
lubricated (refer to the Lubrication section
on Page 51 for specific details).
Figure 14. Model SB1024/SB1026 control panel.
7. Press the ON button to allow power to flow
to the motor, then turn the spindle direction
switch to the forward (right) position to start
spindle rotation.
4. Set the spindle speed to the low range (refer
to the Setting Spindle Speed Range
section beginning on Page 37 for detailed
instructions).
Note: For the Model SB1024, turn the spindle
direction switch to the F1 position.
-25-
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8. Listen for abnormal noises and watch for
unexpected actions from the mill. The
machine should run smoothly and without
excessive vibration or rubbing noises.
2. Refer to the Table Movement section,
beginning on Page 29, to understand how
the power feed, table locks, and limit switch
function.
— Strange or unusual noises or actions
must be investigated immediately. Press
the emergency STOP button to turn the
machine OFF and disconnect it from
the power source before investigating or
correcting potential problems.
3. Loosen the table locks on the front of the
table.
4. Plug the power feed power cord into a 110V
power outlet.
Note: There are 110V outlets on the right side of
the electrical cabinet that can be used for the
power feed or other 110V accessories.
9. Press the emergency STOP button to turn
the machine OFF, then wait for the spindle
to stop on its own.
5. Make sure the power feed directional lever
is in the neutral (middle) position, turn the
speed dial counterclockwise to the lowest
setting, then flip the power switch to the on
(up) position.
10. WITHOUT resetting the emergency STOP
button, press the ON button. The machine
should not start.
— If the machine does not start, the
emergency STOP button safety feature is
working correctly.
6. Turn the directional lever to the left, slowly
turn the speed dial clockwise to increase the
speed, then confirm that the table is moving
to the left.
— If the machine does start (with the
emergency STOP button pushed in),
immediately disconnect power to the
machine. The emergency STOP button
safety feature is not working correctly.
This safety feature must work properly
7. Watch for the table limit stop to hit the
limit switch and turn the power feed OFF,
stopping the table movement.
before proceeding with regular operations. 8. Turn the directional lever through the
Call Tech Support for help.
neutral (middle) position and all the way to
the right. The table should begin moving to
the right.
11. Press the OFF button, then turn the spindle
direction switch to the off (middle) position
to prevent the spindle from starting when
you next use the ON button.
9. Confirm that the table stops moving when
the limit stop presses against the limit
switch plunger.
The mill comes with a power feed unit for X-axis
table travel. Proper operation of the limit switch
attached to the front middle of the table is
critical for the safe use of this power feed unit.
If the power feed does not operate as expected
during the following steps, disconnect it from
10. Move the directional lever to the neutral
(middle) position and flip the power switch to
the off (down) position.
Congratulations! The Test Run of the mill
power and contact our Tech Support at (360) 734- is complete. Continue with the next page
1540 for assistance.
to perform the Spindle Break-In and
Adjustments & Inspections procedures.
To test the X-axis power feed unit and table
limit switch:
1. Make sure all tools, cables, and other items
are well clear of table movement as you
follow these steps.
-26-
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P R E P A R AT I O N
Spindle Break-In
Since the mill head was rotated parallel to
the table for shipping purposes, you will need
to tram the spindle with the table if your first
cut requires a 90° alignment. Refer to the
Tramming Spindle section on Page 33 for
detailed instructions.
Complete the spindle bearing break-in
procedure to avoid rapid deterioration of
spindle components when the mill is placed
into operation.
The high-quality bearings and gears used in the
mill are manufactured to very close tolerances.
However, this does not guarantee perfect
dimensional mating of the bearing components or
exact meshing of gear teeth. Before operational
stress is placed on these and other moving parts
in the mill, complete this break-in procedure to
conform these components to one another and
ensure trouble-free performance from the mill.
Inspections &
Adjustments
The following list of adjustments were performed
at the factory before the machine was shipped:
s
s
Gib Adjustment .................................Page 58
Leadscrew Backlash
Adjustment.........................................Page 59
To perform the spindle break-in procedure:
Be aware that machine components can shift
during the shipping process. Pay careful
attention to these adjustments during operation
of the machine. If you find that the adjustments
are not set according to the procedures in this
manual or your personal preferences, re-adjust
them.
1. Successfully perform all the steps in the
Test Run section beginning on Page 25.
2. Make sure the spindle is at a complete stop.
3. Set the spindle speed to the low range
(refer to Setting Spindle Speed Range
beginning on Page 37 for detailed
instructions).
4. Start the spindle rotation at a medium speed
and let the mill run for 20 minutes.
5. Stop the spindle rotation and allow the
spindle to come to a complete stop by itself.
6. Set the spindle speed to the high range, then
start the spindle rotation at a medium speed
and let the mill run for another 20 minutes.
7. Stop the spindle rotation, and turn the mill
OFF.
The spindle break-in of the mill is now complete!
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O P E R AT I O N
Operation Overview
The purpose of this overview is to give an
example of a typical milling operation. Read
through the steps below to better understand
the controls and functions described later in this
manual, so that you will know how they are used
to successfully operate the mill.
Loose hair, clothing, or
jewelry could get caught
in machinery and cause
serious personal injury.
Keep these items away
from moving parts at all
times to reduce this risk.
This overview is not intended to be a step-by-step
operational guide.
During operation, small
metal chips may become
airborne, leading to serious
eye injury. Wear safety
glasses to reduce this risk.
To reduce the risk of
serious injury when using
this machine, read and
understand this entire
manual before beginning
any operations.
5. Configures the mill for the correct spindle
speed of the operation.
In a typical milling operation, the operator
does the following:
1. Examines the workpiece to make sure it is
6. Puts on personal protective gear and makes
sure the workpiece and table are clear of all
tools, cords, and other items.
suitable for milling.
7. Starts the spindle rotation and performs the
2. Firmly clamps the workpiece to the table.
operation.
3. Installs the correct cutting tool for the
8. Turns the mill OFF.
operation.
4. Uses the manual downfeed and table
controls to confirm the correct positioning
of the cutting tool and workpiece for the
operation. If the X-axis power feed will be
used during the operation, the operator
confirms the speed and length of table
movement required.
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O P E R AT I O N
ON Button: Allows power flow to the motor. The
spindle direction switch must be used to start the
spindle rotation.
Control Panel
Use Figures 15–16 and the following
descriptions to understand the functions of the
mill control panel.
Power Lamp: Illuminates when the mill is
connected to a power source.
Emergency STOP Button: Stops the flow of power
to the motor. Twist clockwise until it pops out to
reset it, then press the ON button to re-establish
power flow to the motor.
ON Button
Power Lamp
Spindle
Direction
Switch
OFF Button: Stops power flow to the motor.
Emergency
STOP
Table Movement
OFF Button
The mill table moves in three directions, as
illustrated in Figure 17:
Figure 15. Model SB1025 control panel.
ON Button
s
s
s
X-axis (longitudinal)
9ꢆAXIS ꢅCROSS
:ꢆAXIS ꢅVERTICAL
These movements are controlled by table ball
HANDLES AND THE :ꢆAXIS CRANKꢄ !DDITIONALLYꢇ THE
table can be moved along the X-axis with the
power feed.
Power Lamp
Spindle
Direction
Switch
X-Axis or Longitudinal Travel
(Left & Right)
Emergency STOP
Y-Axis or
Cross Travel
(In & Out)
OFF Button
Figure 16. Model SB1024/SB1026 control panel.
Spindle Direction Switch: Starts, stops, and
reverses the direction of spindle rotation.
Z-Axis or Vertical Elevation
(Up & Down)
Note: The Model SB1025 has two positions for
each direction that electronically change the
speed of the motor and work in conjunction with
the belt housing controls to set the spindle speed
range (refer to "To set the spindle speed range
for the Model SB1025" on Page 39 for additional
details).
Figure 17. The directions of table movement.
-29-
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O P E R AT I O N
Graduated Index Rings
The table ball handles and elevation crank have
graduated index rings attached (see Figure
18) that are used to accurately determine table
movement in increments, as listed in the table
below:
Always keep the table locked in place unless
table movement is required for your operation.
Unexpected table and workpiece movement
could cause the cutter to bind with the
workpiece, which could result in personal
injury or damage to the cutter and workpiece.
Axis
Individual
Increment
One Full
Revolution
X
Y
:
0.001"
0.001"
0.001"
0.200"
0.200"
0.100"
Table Locks
Refer to Figure 19 for the locations of the locks
used to secure the table in place.
X-Axis Locks
Z-Axis
Y-Axis
Locks
Lock
Index Rings
Figure 19. Locations of table locks.
Figure 18. Graduated table index rings.
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O P E R AT I O N
H. X-Axis Ball Handle: Manually moves the
X-Axis Power Feed
table.
The mill is equipped with a power feed unit for
X-axis table movement. Refer to the illustration
in Figure 20 and the descriptions below
to understand the functions of the various
components of the power feed system.
I. Graduated Index Ring: Display the distance
of table travel in 0.001" increments, with one
full revolution equal to 0.200" of table travel.
To confirm the power feed settings that you will
be using during operation, we recommend that
you use the power feed to move the table through
the intended cutting path before starting the
spindle rotation and taking the cut
I
A
Tool Needed
Hex Wrench 12mm .............................................. 1
Qty
C
B
D
E
To operate the X-axis power feed:
1. Loosen the X-axis table locks (refer to
Figure 19 on Page 30 for locations).
F
H
G
2. Position the limit stops along the front table
slot to limit the distance of table travel that
is correct for your operation.
Figure 20. Power feed system components.
A. Limit Switch: Stops table movement when
either of the switch side plungers are pressed
by the limit stops.
Note: Make sure the cap screws firmly lock the
limit stops in place when positioned.
B. Limit Stop: Restricts table movement when
3. Turn the speed dial all the way
counterclockwise to slowest setting, move the
directional lever to neutral (middle) position,
then flip the power switch up to turn the
unit ON.
positioned along the front of the table.
C. Rapid Traverse Button: Moves the table at
full speed when it is in motion.
D. Directional Lever: Selects the direction of
table movement. The middle position is
neutral.
4. With your hand poised over the power switch
in case you need to suddenly turn the unit
OFF, move the directional lever in the
desired direction of table travel.
E. Speed Dial: Controls the speed of the power
feed. Turning the dial clockwise causes the
table to move faster.
5. Use the speed dial to slowly bring the speed
of movement up to the desired rate.
F. Circuit Breaker Reset Button: Resets
the internal circuit breaker if the unit is
overloaded and shuts down.
6. When you are finished using the power
feed, turn the unit OFF, then rotate the
speed dial all the way clockwise and move
the directional lever to the neutral (middle)
position to avoid unexpected table movement
when you next flip the power switch up.
G. Power Switch: Turns the power feed ON and
OFF.
-31-
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O P E R AT I O N
Head Movement
left and right, as shown in Figures 21–22.
Always lock the head firmly in place after
tilting or rotating it. Unexpected movement
of the head during operations could cause
damage to the cutter or workpiece.
The head tilts 45° back and forth, and rotates 90°
45°
Tool Needed
Qty
Wrench 19mm .......................................................1
Tilting Head
1. DISCONNECT MILL FROM POWER!
2. Loosen the three tilt lock bolts on the right
side of the ram adapter shown in Figure 23.
!
Tilt Bolt
Figure 21. Head tilts 45° back-and-forth.
90°
Lock Bolts
Figure 23. Head tilting controls.
3. Use one hand to apply pressure to the
head in the direction of rotation, then
slowly rotate the tilt bolt. Rotating this bolt
clockwise will tilt the head back.
Figure 22. Head tilts 90° left-and-right.
4. When the head is in the correct position
for your operation, re-tighten all three lock
bolts.
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Rotating Head
Tramming Spindle
1. DISCONNECT MILL FROM POWER!
After positioning the head at an angle and when
your operation requires that the spindle axis be
precisely perpendicular to the table, you must
tram or align the spindle with the table to ensure
the spindle is exactly 90° to the table.
2. Loosen the four rotation lock bolts on the
face of the head shown in Figure 24.
!
This procedure involves mounting a dial test
indicator to the quill or spindle, rotating it
around the table, and adjusting the spindle
AXIS ꢅ:ꢆAXIS ꢈꢃ— TO THE TABLE 8ꢆ AND 9ꢆAXESꢇ AS
illustrated in Figure 25.
Rotation Bolt
Lock Bolts
Spindle
Z-Axis
Figure 24. Head rotating controls.
90º
Y-Axis
90º
3. Use one hand to apply pressure to the head
in the direction of tilt, then slowly turn the
rotation bolt.
X-Axis
Table
4. Re-tighten the lock bolts when you have the
Figure 25. Spindle axis perpendicular to the table X-
and Y-axes.
head in the desired position.
We encourage you to research the many
variations of spindle tramming to find the one
that works best for you. If you do not already
have a preference for performing this operation,
use the following widely-used procedure for
accurately tramming the spindle to the table.
Keep in mind that all workpiece top surfaces are
not exactly parallel with the table top. You may
choose to tram the spindle to the top surface of
the workpiece after it is mounted instead of that
of the table.
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Tools Needed
Dial Test Indicator
Qty 4. Install the indicator holder into the spindle
or onto the quill, then mount the indicator
(with at least 0.0005" resolution)..................1
Indicator Holder
(mounted on the quill/spindle) ......................1
Precision Parallel Block
onto it so that the point is as parallel to
the block as possible (see the illustration in
Figure 26 for an example).
(at least 9" in length) .....................................1
Indicator Holder
Spindle
Note: A precision-ground plate can be substituted
for the parallel blocks. Keep in mind that the
farther the indicator point can be placed from the
spindle axis, the more accurate the alignment
measurements will be.
Dial Test Indicator
To tram the spindle to the table:
1. DISCONNECT MILL FROM POWER!
Parallel Block
2. Prepare the mill by performing the following
Table
tasks:
Figure 26. Dial test indicator mounted.
s 3TONE THE TABLE TO REMOVE ALL NICKS AND
burrs, then clean off all debris. Verify the
table is clean by running your hand over
the top of it.
5. To measure spindle alignment along the
X-axis, place the parallel block directly under
the spindle and indicator across the length of
the table, as illustrated in Figure 27.
s 0OSITION THE TABLE FOR THE MILLING
operation you intend to perform after the
tramming—preferably centered to the
saddle.
Note: If you must re-position the quill or the
knee to accommodate the above step, then
review the tasks in Step 2 to make sure the
mill is properly prepared for the tramming
operation.
s 4IGHTEN ANY TABLEꢇ KNEEꢇ QUILLꢇ OR RAM
locks that should be tight during the
intended milling operation.
Table (Top View)
Parallel Block
3. Place the parallel block underneath the
spindle.
Indicator
Spindle
Figure 27. Parallel block positioned for the X-axis
measurement (top view).
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Note: Generally, the goal in the next steps is to
get the difference of the indicator readings
between the end of the parallel bar down to
0.0005". However, the acceptable variance
will depend on the requirements for your
operation.
8. Place the parallel block directly under the
spindle and across the width of the table, as
illustrated in Figure 28.
Table (Top View)
Indicator
6. Rotate the spindle by hand so that the
indicator point rests on one end of the
parallel block, as illustrated in Figure 27,
then zero the dial.
Spindle
7. Rotate the spindle so that the indicator point
rests in the same manner on other end of the
block, then read the dial.
Parallel Block
— If the indicator dial still reads zero or is
within the acceptable variance, continue
on with Step 8.
Figure 28. Parallel block positioned for the Y-axis
measurement (top view).
— If the indicator dial has moved from zero
beyond the acceptable variance, you will
need to compensate for that amount by
rotating the head left or right. Repeat
Steps 5–6 until you are satisfied with the
spindle axis alignment along the table
X-axis.
9. Rotate the spindle so that the indicator point
rests on the parallel bar, as illustrated in
Figure 28, then zero the dial.
10. Rotate the spindle so that the indicator point
rests on the other end of the bar in the same
manner, then read the dial.
Note: Keep one of the rotation lock bolts
just snug so that the head does not move
loosely while you adjust it small amounts.
Remember to tighten the rotation lock
bolts after adjusting the head.
— If the indicator dial still reads zero or
is within the acceptable variance, the
spindle is precisely perpendicular to the
table in both the X- and Y-axes and the
tramming procedure is complete.
— If the indicator dial has moved from zero
beyond the acceptable variance, you will
need to compensate for that amount by
tilting the head forward or back. Repeat
Steps 9–10 until you are satisfied with
the spindle axis alignment along the table
Y-axis.
Note: Keep one of the tilt lock bolts just
snug so that the head does not move
loosely while you adjust it small amounts.
Remember to tighten the tilt lock bolts
after adjusting the head.
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O P E R AT I O N
Ram Movement
Always lock the head firmly in place after
tilting or rotating it. Unexpected movement
of the head during operations could cause
damage to the cutter or workpiece.
The ram travels back and forth 13" and rotates
360° in either direction around the turret.
Tool Needed
Qty
Wrench 19mm .......................................................1
Rotating Ram
1. DISCONNECT MILL FROM POWER!
Moving Ram Back-and-Forth
1. DISCONNECT MILL FROM POWER!
2. Loosen the four lock bolts on top of the turret
2. Loosen the two lock levers shown in
(see Figure 30).
Figure 29 on the right side of the ram.
Note: There are two lock bolts on either side of
!
the ram.
!
Lock Levers
Lock Bolts
(2 of 4)
Rotation
Scale
Adjustment
Bolt
Figure 29. Ram back-and-forth movement controls.
3. Make sure there are no obstructions to
ram travel, especially with the spindle tool
around the workpiece, then slowly rotate the
adjustment bolt to move the ram. Rotating
the bolt clockwise will move the ram back.
Figure 30. Ram rotating controls.
Note: In the next step, take care not to entangle
or stretch the electrical cabling as you move
the ram around the turret.
4. Re-tighten the lock levers after you have re-
3. Push on the head to manually rotate it. Use
the rotation scale to determine the correct
position for your operation, then re-tighten
the four lock bolts to secure the ram in place.
positioned the ram.
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Setting Spindle Speed Range
Setting Spindle Speed
Setting the spindle speed range involves
engaging and disengaging a spindle spline that
uses gearing to increase or decrease the range of
spindle speeds.
Using the correct spindle speed is important
for safe and satisfactory results, as well as
maximizing tool life.
To set the spindle speed for your operation, you
will need to: (1) Determine the best spindle speed
for the cutting task, and (2) configure the mill
controls to produce the required spindle speed.
The procedures to set the speed range for the
Model SB1024 and Model SB1025/SB1026 differ
slightly. Use the appropriate section on the
following pages for the mill when selecting the
speed range.
Determining Spindle Speed
Many variables affect the optimum spindle speed
to use for any given operation, but the two most
important are the recommended cutting speed
for the workpiece material and the diameter of
the cutting tool, as noted in Figure 31:
To avoid damage to the spindle, gears, or
cutting tools:
s
3PINDLE ROTATION MUST BE TURNED /&& AND
the spindle must be at a complete stop
BEFORE you change the spindle speed
range.
*Recommended
Cutting Speed (FPM) x 12
= SpindleSpeed (RPM)
Tool Dia. (in inches) x 3.14
s
4HE MILL IS DESIGNED TO /.,9 OPERATE WITH
the spindle speed range selector in either
the high or low position. To avoid damaging
the moving parts inside the headstock,
never start spindle rotation without the
range selector detent pin firmly seated in
either the high or low position.
*Double if using carbide cutting tool
Figure 31. Spindle speed formula for milling.
Cutting speed, typically defined in feet per
minute (FPM), is the speed at which the edge of a
tool moves across the material surface.
s
7HEN CHANGING THE SPINDLE SPEED RANGE
and the direction of spindle rotation
reverses, you will need to either change
the cutting tool to match the direction of
spindle rotation or use the spindle direction
switch to compensate for the reversal.
A recommended cutting speed is an ideal speed
for cutting a type of material in order to produce
the desired finish and optimize tool life.
The books Machinery’s Handbook or Machine
Shop Practice, and some internet sites, provide
excellent recommendations for which cutting
speeds to use when calculating the spindle speed.
These sources also provide a wealth of additional
information about the variables that affect
cutting speed and they are a good educational
resource.
Note: Regardless of the model of the mill, you
MUST properly perform the Meshing Spindle
& Spindle Clutch procedure as instructed on
Page 40 when using the high spindle speed
range.
Also, there are a large number of easy-to-use
spindle speed calculators that can be found on
the internet. These sources will help you take
into account all applicable variables to determine
the best spindle speed for the operation.
-37-
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When the spindle speed range is changed,
the direction of spindle rotation will reverse.
ALWAYS know which way the spindle
is rotating before beginning the cutting
operation.
High
Low
Model SB1024
Spindle Speed
Range Selector
Setting SB1024 Spindle Speed Range
Detent
Plate
1. Make sure that the spindle rotation is
turned OFF and the spindle is at a complete
stop.
Figure 32. Model SB1024 spindle speed range
selector.
2. Use the chart below to find the spindle speed
range that includes the required spindle
speed for your operation.
4. Make sure the selector detent pin is well
seated by attempting to move the selector
without pressing it toward the head.
Model SB1024 Spindle Speed Ranges
Low Range
High Range
60–500 RPM
— If the detent pin is well seated, the
selector will not move when you attempt
to move it as instructed above.
500–4200 RPM
3. Press the spindle speed range lever shown
in Figure 32 toward the head to release
the detent pin from the detent plate, move
selector so that the pin is over the other
detent, then release the selector.
— If the selector does move when you
attempt to move it as instructed above,
then re-position the selector so that the
pin is firmly seated in the detent plate.
— When the selector is pointing to the rear
and the front detent is engaged, the low
speed range is selected. Conversely, when
the lever is pointing toward the front and
the rear detent is engaged, the high speed
range is selected.
5. Perform the Meshing Spindle & Spindle
Clutch procedure as instructed on Page 40
to make sure the front spindle pulley and
pinion are properly seated into the bull gear.
Note: If it is difficult to move the range selector,
rotate the spindle by hand to help mesh the
gears until the selector moves freely.
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3. Low Spindle Speed Range: Pull the knob of
the spindle speed range selector (see Figure
33) out to disengage the detent pin, rotate
the selector clockwise to the front position,
then release the knob.
Properly setting the spindle speed range for
the Model SB1025/SB1026 involves correctly
positioning the high/low range lever AND
the spindle speed range selector. ALWAYS
make sure these two devices are properly
set before beginning the spindle rotation to
avoid damaging the machine and voiding the
warranty.
Note: If it is difficult to move the range selector,
rotate the spindle by hand to help mesh the
gears until the selector moves freely.
Setting SB1025/SB1026 Spindle Speed
Range
1. Make sure that the spindle rotation is turned
High
Low
Low
High/Low
Range Lever
OFF and the spindle is at a complete stop.
2. Use the charts below to find the spindle
speed range that includes the required
spindle speed for your operation.
High
Note: The Model SB1025 spindle direction switch
on the control panel has four settings that
change the direction and speed of the spindle
motor for each spindle speed range. Positions
F1 (forward) and R1 (reverse) use the low
motor speed, and F2 and R2 use the high
motor speed. Use Figure 15 on Page 29 as
a visual reference for the spindle direction
switch positions.
Range Selector
Figure 33. Model SB1025/SB1026 spindle speed
range controls.
4. Make sure the selector detent pin is well
seated by attempting to move the selector
without pressing it toward the head.
— If the detent pin is well seated, the
selector will not move when you attempt
to move it, as instructed above.
Model SB1025 Spindle Speed Ranges
Low Range
80–325 RPM
w/Switch @ F1/R1
— If the selector does move when you
attempt to move it, as instructed above,
then re-position the selector so that the
pin is firmly seated.
Low Range
160–650 RPM
w/Switch @ F2/R2
High Range
710–2800 RPM
w/Switch @ F1/R1
High Range
1420–5600 RPM
w/Switch @ F2/R2
Model SB1026 Spindle Speed Ranges
Low Range
High Range
80–325 RPM
710–2800 RPM
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5. Move the high/low range lever back to the
When setting the mill to use the high spindle
speed range, the front spindle pulley must mesh
with the spindle clutch. Otherwise, you will hear
an unusual grinding when spindle rotation is
started and damage to these components could
be the result.
right side of the head (see Figure 33.
Note: Make sure that the range lever is as far
back as it will go before starting the spindle
rotation.
Tip: When the spindle speed range selector and
high/low range lever are correctly set, they
will be in the opposite direction from each
other.
Meshing Spindle & Spindle Clutch
1. DISCONNECT MILL FROM POWER!
2. Set the spindle speed range control(s) for the
mill as instructed on the previous pages.
6. High Spindle Speed Range: Move the high/
low range lever forward so that it is pointing
to the front of the head.
— If you hear/feel the front pulley drop
into the spindle clutch when you set the
control(s), this procedure is complete and
you can continued with spindle speed
setup.
Note: Make sure that the range lever is as far
forward as it will go before starting the
spindle rotation.
— If you do not hear/feel the front pulley
drop into the spindle clutch when you set
the control(s), continue with Step 3.
7. Pull the knob of the spindle speed range
selector out to disengage the detent pin,
rotate the selector clockwise to the rear
position, then release the knob.
Note: The following step takes experience and
patience to complete properly.
Note: Make sure the selector detent pin is well
seated before starting the spindle rotation.
3. Firmly grasp the spindle, then quickly rotate
it in a back-and-forth motion until you hear/
feel the front pulley drop into the spindle
clutch.
8. Perform the Meshing Spindle & Spindle
Clutch procedure as instructed on Page
to make sure the front spindle pulley and
pinion are properly seated into the bull gear.
— If Step 3 was not successful, use the
spindle speed range control(s) to re-set
the mill to the low range, then repeat
Step 3 until you are certain that the
front pulley is seated into the spindle
clutch.
-40-
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SB1024/SB1025/SB1026
O P E R AT I O N
Setting SB1024 Spindle Speed
1. Start the spindle rotation.
Setting Spindle Speed
The Model SB1024 uses a variable pulley system
to set infinite speeds within the speed range
selected. The Model SB1025/SB1026 requires
re-positioning the V-belt on the pulleys to change
spindle speed.
2. Slowly rotate the speed handwheel shown
in Figure 34 until the desired speed is
displayed in the speed indicator window for
the speed range selected.
Use the appropriate section below for the mill to
select the correct spindle speed.
High Range
Speed Indicator
Variable Speed
Handwheel
For the Model SB1024 ONLY, always make
sure that the spindle rotation has been started
and is at a constant speed before using
the variable speed handwheel to adjust the
spindle speed. Otherwise, the moving parts
inside the belt housing could be damaged and
void the warranty.
Low Range
Speed
Indicator
Figure 34. Model SB1024 variable spindle speed
handwheel and indicator windows.
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
O P E R AT I O N
Setting SB1025/SB1026 Spindle Speed
Switch @
F1/R1
1. DISCONNECT MILL FROM POWER!
SB1025
Low Spindle
Speed Range
2. Remove the belt housing side covers on both
sides of the head to expose the V-belt and
pulleys, as shown in Figure 35.
Motor
80
140
220
Adjustment Lever
325
Switch @
F2/R2
Lock Lever
(1 of 2)
Motor
V-Belt & Pulley
Access
160
280
440
650
Figure 35. V-belt and pulleys exposed
(Model SB1026 shown).
3. Loosen the two motor lock levers, one on
either side of the head, then pull the belt
tension adjustment lever forward to release
the V-belt tension.
Switch @
F1/R1
SB1025
High Spindle
Speed Range
4. Refer to the illustrations in Figures 36–37
and position the V-belt on the pulleys for the
desired spindle speed.
Motor
710
1170
Note: The Models SB1025 and SB1026 produce
slightly different spindle speeds for each
V-belt position. Make sure you refer to the
correct illustration for the mill.
1860
2800
Switch @
F2/R2
Also, Model SB1025 has two spindle speeds
for each V-belt position that are selected by
using the spindle direction switch on the
control panel. F1/R1 will produce the lower
of the two speeds for each spindle speed
range and V-belt position.
Motor
1420
2340
3720
5600
Figure 36. Model SB1025 V-belt positions and
speeds.
-42-
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SB1024/SB1025/SB1026
O P E R AT I O N
Downfeed Controls
SB1026
Low Spindle
Speed Range
Spindle downfeed movement on the mill
is controlled by three mechanisms: 1) The
coarse downfeed handle, 2) the fine downfeed
handwheel, and 3) the auto-downfeed system.
Motor
80
140
220
325
Using the Coarse Downfeed
Handle
1. Make sure that the spindle rotation is
turned OFF and the spindle is at a complete
stop.
2. To set the downfeed for manual control,
pull the downfeed selector knob out, then
rotate it clockwise until the selector pin
under the knob seats in the forward manual
(disengaged) position, as shown in Figure
38 and illustrated in Figure 39 on the next
page.
SB1026
High Spindle
Speed Range
Motor
710
1170
1860
2800
Note: It may be necessary to turn the spindle by
hand as you move the selector to enable the
gears to mesh.
Downfeed Selector
Figure 37. Model SB1026 V-belt positions and speeds.
5. To re-tension the V-belt, push the
adjustment lever back with moderate force,
then re-tighten the two lock levers to secure
the motor in place.
6. Replace the two belt housing side covers
before re-connecting the mill to power.
Figure 38. Downfeed selector in the manual
(disengaged) position.
To avoid entanglement hazards, always make
sure that the two belt housing safety covers
are firmly in place before connecting the mill
to power.
3. Make sure the selector pin is firmly seated
in the detent by attempting to move the
selector without pulling the knob out.
-43-
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O P E R AT I O N
4. Make sure the pin of the coarse downfeed
handle hub is engaged with one of the
detents on the downfeed sleeve (see
Figure 40).
Manual (Disengaged) Position
Handle
Hub
Pin
Auto-Downfeed (Engaged) Position
Figure 40. Coarse downfeed handle hub and detent
pin.
5. Make sure the quill lock lever is loose so that
the quill can easily move.
Figure 39. Downfeed selector positions.
6. Rotate the coarse downfeed handle around
the hub to control the depth of the spindle.
-44-
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SB1024/SB1025/SB1026
G. Downfeed Stop & Locking Wheel: Sets
O P E R AT I O N
Fine Downfeed Controls
the depth of spindle downfeed. The stop
is threaded into position, then the locking
wheel is use to secure it in place.
There are a number of devices on the head that
are used with the fine downfeed handwheel or
the auto-downfeed system. Refer to Figure 41
and the descriptions below to become familiar
with these controls.
H. Quill Dog: Moves with the quill and spindle
and disengages the downfeed clutch lever
when it engages either the top or the
downfeed stop.
A
I
I. Downfeed Selector: Sets the mill for manual
H
downfeed or auto-downfeed control.
B
Using the Fine Downfeed
Handwheel
G
C
D
1. Make sure that the spindle rotation is turned
OFF and the spindle is at a complete stop.
F
E
2. To set the downfeed for manual control, pull
the downfeed selector knob out, then rotate
the selector clockwise until the selector pin
seats in the forward manual (disengaged)
position.
Figure 41. Fine downfeed controls.
A. Auto-Downfeed Rate Selector: Selects one of
the three auto-downfeed rates.
3. Set the auto-downfeed direction pin in the
neutral (middle) position to disengage the
fine downfeed handwheel from the auto-
downfeed gears.
B. Fine Downfeed Handwheel: Manually
controls fine spindle downfeed.
4. Position the downfeed stop for the spindle
depth that is correct for your operation, then
secure it in place with the locking wheel.
When the spindle rotation is reversed,
either by changing the spindle speed range
or by using the spindle direction switch,
the direction of spindle auto-downfeed will
reverse.
5. Use the coarse downfeed lever to lower the
spindle slightly until you can pull the clutch
lever out to the left and it locks in place. This
will engage the handwheel with the quill and
spindle.
C. Auto-Downfeed Direction Pin: Starts, stops,
and reverses the auto-downfeed direction.
6. To lower the spindle, rotate the fine
downfeed handwheel. When the quill dog
meets the downfeed stop, the clutch lever
will disengage and the spindle will return to
the top.
D. Fine Downfeed Clutch Lever: Engages the
fine/auto-downfeed gears.
E. Downfeed Scale: Used with the quill dog,
shows the depth of spindle downfeed in
inches.
F. Quill Lock Lever: Secures the quill in place
for increased stability during operations.
-45-
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O P E R AT I O N
4. Position the auto-downfeed direction pin for
the spindle travel that is correct for your
operation. It may be necessary to rock the
fine downfeed handwheel back-and-forth to
move the pin all the way in or out.
Using the Auto-Downfeed System
When using the auto-downfeed system, the
spindle will move in the direction you choose
with the auto-downfeed direction pin. When the
quill dog reaches the top or meets the downfeed
stop, the downfeed clutch lever will release.
Then, if the spindle was traveling upward, the
movement will simply stop. If the spindle was
traveling downward, then the spindle will move
back to the top at a rate controlled by the return
spring on the left side of the head.
Note: The direction pin has three positions: 1)
In for one downfeed direction, 2) middle for
neutral or no movement, and 3) out for the
reverse direction. The direction of spindle
travel for the in and out positions is relative
to the direction of spindle rotation. Keep in
mind that spindle rotation and downfeed
direction will reverse when the spindle speed
range is changed.
To use the auto-downfeed system:
1. Make sure that the spindle rotation is turned
OFF and the spindle is at a complete stop.
5. Make sure the clutch lever is all the way to
the right in the disengaged position so that
the spindle will not travel when rotation is
started.
2. To set the mill for auto-downfeed, pull the
downfeed selector knob out, then rotate the
selector clockwise and seat the pin in the
rear auto-downfeed (engaged) position, as
illustrated in Figure 42.
Note: We recommend that you complete the
remaining steps without a cutting tool
installed, without a workpiece in place, and
the table lower than the maximum spindle
downfeed travel. This will enable you to test
and confirm the settings before beginning
the actual cutting operation.
Auto-Downfeed (Engaged) Position
To avoid damage to the system gearing, never
use the auto-downfeed system with spindle
speeds over 1860 RPM.
6. Set the mill for the correct spindle speed,
Figure 42. Downfeed selector in the auto-downfeed
(engaged) position.
then begin spindle rotation.
3. Position the downfeed stop for the spindle
depth that is correct for your operation, then
secure it in place with the locking wheel.
-46-
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SB1024/SB1025/SB1026
O P E R AT I O N
Spindle Brake
To avoid the risk of gear damage, always
start spindle rotation before using the auto-
downfeed rate selector.
To avoid premature wear of the brake system,
use the spindle brake ONLY after power to the
spindle has been turned OFF.
7. Select one of the three downfeed rates
by pulling the knob of the auto-downfeed
rate selector out, position the selector over
the appropriate detent, then release the
knob. Make sure the pin is firmly seated
by attempting to move the selector without
pulling the knob out.
After turning the power to the spindle OFF,
move the brake lever back or forth to bring the
spindle to a full stop (see Figures 44–45).
To evenly wear the brake shoes, alternate the
direction you move the lever when braking.
Note: Refer to the illustration in Figure 43 when
selecting the downfeed rate.
Model SB1024
Brake Lever
H
L
M
Figure 44. Model SB1024 brake lever location.
H = 0.006 in./rev.
L = 0.0015 in./rev.
M = 0.003 in./rev.
Model SB1025/SB1026
Brake Lever
(Rates given in inches of travel
per revolution of the spindle)
Figure 43. Positions of the auto-downfeed rate
selector.
8. Use the coarse downfeed lever to lower the
spindle slightly until you can pull the clutch
lever out to the left and it locks in place,
which will start the auto-downfeed spindle
travel.
Figure 45. Model SB1025/SB1026 brake lever
location.
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O P E R AT I O N
5. With one hand holding the tool in place,
insert the drawbar into the spindle from the
top of the head, then thread it into the tool
(see Figure 47).
Loading/Unloading
Tooling
The mill is equipped with an R8 spindle taper
and a 7⁄16"-20 x 181⁄2" spindle drawbar that
includes one spacer for tool attachment flexibility
(see Figure 46).
!
Drawbar
Spacer
Figure 47. Drawbar loading into the spindle (Model
SB1025 shown).
6. Tighten the drawbar until it is snug. Avoid
overtightening, as it could make removing
the tool difficult.
Figure 46. Spindle drawbar and spacer.
Tool Needed
Wrench 21mm .......................................................1
Qty
Unloading Tooling
Tools Needed
Qty
Wrench 21mm .......................................................1
Brass Hammer ......................................................1
Loading Tooling
1. DISCONNECT MILL FROM POWER!
1. DISCONNECT MILL FROM POWER!
2. Clean any debris or surface substances from
inside the spindle taper and the mating
surface of the tooling.
2. Place the mill in the low spindle speed range
to keep the spindle from turning in the next
step.
Note: Debris or oil substances can prevent the
tooling and spindle from properly mating.
This condition can cause excessive vibration,
poor cutting results, or tool/workpiece
damage.
Note: Make sure that the drawbar has at least
three threads engaged with the tooling in the
next step to avoid damaging the threads of
the drawbar or tool.
3. Place the mill in the low spindle speed range
to keep the spindle from turning in the next
steps.
3. Loosen the drawbar a couple of turns, then
tap the top of it with brass hammer to knock
the tool loose at the bottom of the spindle.
4. Align the keyway of the tool with the
protruding pin inside the spindle taper, then
firmly push the tool into the spindle to seat
it.
4. Support the tool with one hand, then
completely unthread the drawbar.
-48-
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SB1024/SB1025/SB1026
M A I N T E N A N C E
Before Beginning Operations
Maintenance Schedule
s
-AKE SURE THE ELECTRIC BOX DOOR IS CLOSED AND
properly latched.
s
4URN THE SPINDLE DIRECTION SWITCH TO THE OFF
(middle) position to prevent spindle startup
when connected to power (see Page 29).
-OVE THE SPINDLE SPEED RANGE SELECTOR TO
the manual (forward) position to prevent
the spindle from unexpectedly downfeeding
when rotation is started (see Page 43).
-AKE SURE THE 8ꢆAXIS POWER FEED IS TURNED
OFF to prevent unintentional table
movement when connected to power (see
Page 31).
#HECK THE COOLANT RESERVOIR IN THE BASE FOR
fluid/debris build-up. Clean out if necessary
(see Page 56).
0ERFORM LUBRICATIONS TASKS AS DIRECTED IN THE
Lubrication section on Page 51.
#HECK TABLE MOVEMENT IN ALL THREE AXES
directions for loose/tight gibs. Adjust the gibs
if necessary (see Page 58).
!
Always disconnect
machine from power before
performing maintenance or
serious personal injury may
result.
s
s
s
Each operator of this machine is responsible
for ensuring proper care of the equipment. We
strongly recommend that all operators make
a habit of following the daily maintenance
procedures.
For optimum performance from this machine,
this maintenance schedule must be strictly
followed. Use the Monthly Maintenance Chart
on Page 50 to ensure this is done.
s
s
Ongoing
To maintain a low risk of injury and proper
machine operation, if you ever observe any of the
items below shut the machine down immediately,
disconnect it from power, and fix the problem
before continuing operations.
Daily, After Operations
s
s
s
0USH THE EMERGENCY 34/0 BUTTON AND
disconnect the machine from power.
6ACUUMꢀCLEAN ALL CHIPS AND SWARF FROM TABLEꢇ
slides, and base.
7IPE DOWN ALL UNPAINTED OR MACHINED
surfaces with a good quality rust
preventative.
s
s
s
,OOSE MOUNTING BOLTS OR FASTENERSꢄ
7ORNꢇ FRAYEDꢇ CRACKEDꢇ OR DAMAGED WIRESꢄ
%MERGENCY 34/0 BUTTON NOT WORKING
correctly.
s
s
s
s
-ISSING BELT GUARDSꢄ
2EDUCTION IN BRAKING SPEED OR EFFICIENCYꢄ
#OOLANT NOT FLOWING CORRECTLYꢄ
!NY OTHER UNSAFE CONDITIONꢄ
-49-
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M A I N T E N A N C E
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SB1024/SB1025/SB1026
M A I N T E N A N C E
Cleaning
Lubrication
Regular cleaning is one of the most important
steps in taking good care of this lathe. Each
operator is responsible for cleaning the machine
immediately after using it or at the end of the
day. We recommend that the cleaning routine
be planned into the workflow schedule, so that
adequate time is set aside to do the job right.
The mill has numerous moving metal-to-
metal contacts that require regular and proper
lubrication to ensure efficient and long-lasting
operation, and to protect your investment.
Other than the lubrication points covered in
this section, all other bearings are internally
lubricated and sealed at the factory. Simply leave
Typically, the easiest way to clean swarf from the them alone unless they need to be replaced.
ways and table is to use a wet/dry shop vacuum
that is dedicated for this purpose only. The small
chips leftover after vacuuming can be wiped up
with a slightly oiled rag. Avoid using compressed
air to blow off chips, as it may drive them deeper
Before performing any lubrication task,
DISCONNECT THE MILL FROM POWER!
Important: Before adding lubricant, clean the
into moving surfaces and could cause sharp chips debris and grime from the oil cup or grease
to fly into your face or hands.
fitting and the immediate area to prevent
contamination of the oil cups, grease fittings, or
All visible swarf should be removed from the mill new lubricant.
during cleaning. Remember, personal neatness
gives you personality!
Use the schedule and information in Figure 48
as a daily guide for lubrication tasks. Follow the
referenced sections on the following pages for
detailed instructions.
Unpainted & Machined Surfaces
Besides the ways and elevation leadscrew, all
other unpainted and machined surfaces should
be wiped down daily to keep them rust-free
and in top condition. This includes surface you
can find that could be vulnerable to rust if left
unprotected (this especially includes any parts
that may be exposed to water soluble cutting
fluids). Typically with these parts, a thin film of
oil is all that is necessary for protection.
The following recommended lubrication
schedule is based on light to medium mill
usage. Keeping in mind that lubrication helps
to protect the value and operation of the mill,
you may need to perform the lubrication tasks
more frequently depending on your usage.
Frequency
Page
Lubrication Task
(Hours of
Ref.
Operation)
Quill
4 hrs.
52
Table Ways (One-Shot
Oiler)
4–8 hrs.
52
Speed Range Bearing
Sleeve (SB1024 Only)
40 hrs.
53
Headstock Gearing
Ram Ways
40 hrs.
40 hrs.
53
54
Table Elevation
,EADSCREW ꢅ:ꢆ!XIS
40 hrs.
54
Power Feed Gears
160 hrs.
54
Figure 48. Recommended lubrication tasks,
schedules, and instruction page references.
-51-
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M A I N T E N A N C E
Table Ways (One-Shot Oiler)
Oil Type ......Mobil Vactra 2 or ISO 68 Equivalent
Oil Amount................... One Pull of Pump Handle
Check/Add Frequency..........4–8 hrs. of Operation
Failure to follow reasonable lubrication
practices as instructed in this manual for the
mill could lead to premature failure of the mill
and will void the warranty.
The one-shot oiler is connected to a series of
aluminum tubes that carry the lubricant to wear
points along the table horizontal and vertical
ways. After using the oiler pump handle shown
in Figure 50, move the table through all paths of
movement to evenly distribute the lubricant.
Quill
Oil Type ......Mobil Vactra 2 or ISO 68 Equivalent
Oil Amount.......................................... Fill Oil Cup
Check/Add Frequency..............4 hrs. of Operation
Use the sight glass on the side of the oiler to
know when to re-fill the reservoir.
Lift the oil cup cap shown in Figure 49 to add 10
drops of lubricant.
Reservoir Cap
Pump
Handle
Sight
Glass
Quill Oil Cup
Figure 50. One-shot oiler controls.
Figure 49. Quill oil cup location.
-52-
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SB1024/SB1025/SB1026
M A I N T E N A N C E
Speed Range Bearing Sleeve
(SB1024 Only)
Headstock Gearing
Grease Type.........................NLGI 2 or Equivalent
Grease Amount ...........Two Pumps of Grease Gun
Check/Add Frequency............40 hrs. of Operation
Oil Type ......Mobil Vactra 2 or ISO 68 Equivalent
Oil Amount.......................................... Fill Oil Cup
Check/Add Frequency............40 hrs. of Operation
Add two pumps from a grease gun to the
grease fitting for the mill that is shown in
Figures 52–53.
Lift the oil cup cap shown in Figure 51 to add 5
drops of lubricant.
Oil Cup
SB1024 Grease
Fitting
Figure 52. SB1024 headstock gearing grease fitting.
SB1025/SB1026 Grease Fitting
Figure 51. Speed range bearing sleeve
(SB1024 only).
Figure 53. SB1025/SB1026 headstock gearing
grease fitting.
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M A I N T E N A N C E
Ram Ways
Table Elevation Leadscrew
Oil Type ......Mobil Vactra 2 or ISO 68 Equivalent Grease Type.........................NLGI 2 or Equivalent
Oil Amount............................................. Thin Coat Grease Amount ...................................... Thin Coat
Check/Add Frequency............40 hrs. of Operation Check/Add Frequency............40 hrs. of Operation
Move the ram back and forth as necessary
to access the full length of the ways (see
Figure 54), then use a clean shop rag to apply a
thin coat of lubricant.
Elevate the table all the way up, then use
mineral spirits to clean any debris and built-up
grime from the elevation leadscrew threads. Add
one pump from a grease gun to the leadscrew
grease fitting shown in Figure 56, then run
the knee up and down to distribute the grease.
Repeat this process until the entire leadscrew
Ram Ways
Leadscrew
Grease
Fitting
Figure 54. Exposing the ram ways for lubrication.
Head & Ram Rack & Pinion Gear
Figure 56. Table elevation leadscrew and grease
fitting.
The interaction between the cast iron surfaces
of these devices (see Figure 55) produces a dry
powder that provides an adequate lubrication.
Power Feed Gears
Grease Type.......Medium-Weight Lithium Grease
Grease Amount ...........Two Pumps of Grease Gun
Check/Add Frequency............40 hrs. of Operation
Do not apply any other lubricant which could
produce a stiff compound that may interfere with
smooth movement.
Tool Needed
Qty
Wrench 19mm .......................................................1
Head Rack
& Pinion Gear
To lubricate the power feed gears:
1. DISCONNECT MACHINE FROM POWER!
Ram Pinion
Gear
Ram Rack
Figure 55. Locations of head and ram rack and pinion
gears.
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SB1024/SB1025/SB1026
M A I N T E N A N C E
2. Remove the hex nut and ball handle from the 5. Brush a light coat of lubricant on the teeth
power unit end of the longitudinal leadscrew
(see Figure 57).
of the bevel gear and the smaller drive gear
(see Figure 59).
Graduated Dial Ring
Leadscrew
Drive Gear
Bevel Gear
Retaining Ring
Figure 57. Power feed ball handle removed.
Figure 59. Power feed brass gear and drive gear.
3. Unthread and remove the knurled retaining
ring and graduated dial ring from the end of
the leadscrew.
6. Replace the leadscrew alignment key, then
align the bevel gear keyway and the key as
you slide the gear onto the leadscrew and
mesh its teeth with the drive gear.
4. Remove the brass bevel gear from the
leadscrew, then remove the leadscrew
alignment key (see Figure 58).
7. Replace the graduated dial ring into position
and secure it with the knurled retaining
ring—do not overtighten.
8. Slide the ball handle onto the leadscrew
as you align its keyway with the leadscrew
alignment key, then secure it with the hex
nut removed in Step 2.
Alignment Key
9. Manually move the table with the power feed
ball handle to check the gear movement and
to distribute the grease on the gears. If the
movement is not smooth, repeat Steps 2–8
until it is.
Brass Bevel Gear
Figure 58. Power feed brass gear and leadscrew
alignment key.
-55-
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M A I N T E N A N C E
Cleaning
Cleaning Coolant
Reservoir
Tools Needed
Qty
Hex Wrench 3mm .................................................1
Hex Wrench 10mm ...............................................1
Catch Pan ..............................................................1
To clean out the coolant reservoir:
BIOLOGICAL & POISON
HAZARD!
1. DISCONNECT MILL FROM POWER!
Use the correct personal
protection equipment when
handling cutting fluid.
Follow Federal, State, and
the coolant manufacturer's
requirement to safely
dispose of the used
coolant.
2. Put on personal protective equipment.
3. Remove the coolant reservoir access panel
from the rear of the column (see Figure 60).
Screen
The cavity in the base of the mill can be used
as a coolant reservoir if you choose to install
a recirculating coolant pump accessory. This
reservoir also catches any coolant and debris that
falls from the table and through the screens in
the base.
Access
Panel
Drain
Plug
Hazards
As some coolant ages, it develops dangerous
microbes which eventually proliferate and create
a biological hazard. The risk of exposure to
this hazard can be greatly reduced by cleaning
out the coolant reservoir on a monthly basis or
sooner, if needed based on your daily inspection.
Figure 60. Coolant reservoir access panel and drain
plug.
4. Place the catch pan under the drain plug,
then remove the plug and allow the fluid to
drain into the pan.
The important thing to keep in mind when
working with coolant is to minimize exposure
to your skin, eyes, and respiratory system
by wearing the proper personal protective
equipment, which includes splash-resistant
safety glasses, long-sleeve gloves, protective
clothing, and a NIOSH-approved respirator.
5. Clean away debris and grime from the
coolant drain screens on the base of the mill.
6. Use rags, scrapers, and cleaning solvent
to thoroughly clean out the bottom of the
reservoir.
Note: Use a cleaning solvent that is compatible
with the type of coolant. For instance, if you
are using a water-base coolant, then use a
water-base cleaning solvent.
7. When the reservoir is clean and dry, replace
the access panel and drain plug.
-56-
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SB1024/SB1025/SB1026
M A I N T E N A N C E
s
,OOSEN THE BELTS TO PREVENT THEM FROM
Machine Storage
stretching during storage. Post a reminder
on the mill that the belts need to be re-
installed or tensioned before resuming
operations.
To avoid rust problems or corrosion damage,
use the following information to protect your
investment when storing the mill for any length
of time.
s
s
0LACE A FEW MOISTURE ABSORBING DESICCANT
packs inside the electrical and control panel
boxes.
s
s
$)3#/..%#4 -),, &2/- 0/7%2ꢉ
,UBRICATE THE MILL AS DIRECTED IN THE
Lubrication section beginning on Page 51.
#OVER AND PLACE THE MACHINE IN A DRY AREA
that is out of direct sunlight and away from
hazardous fumes, paint, solvents, or gas.
Fumes and sunlight can bleach or discolor
paint and plastic parts.
s
s
#LEAN OUT THE COOLANT RESERVOIR IN THE BASE
of the mill as directed in the Cleaning
Coolant Reservoir section on Page 56.
s
!T LEAST ONCE A MONTHꢇ START THE MILL AND
run all gear-driven components for a few
minutes. This will keep the bearings,
bushings, gears, and shafts well lubricated
and protected from corrosion, especially
during the winter months.
4HOROUGHLY CLEAN ALL UNPAINTEDꢇ BARE METAL
surfaces, then coat them with a light weight
grease or rust preventative. Take care to
ensure these surfaces are completely covered
but that the grease or rust preventative is
kept off painted surfaces.
Note: If the machine will be out of service for
only a short period of time, use way oil or a
good grade of medium-weight machine oil
(not auto engine oil) in place of the grease or
rust preventative.
-57-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
S E R V I C E
Adjusting Gibs
Gibs are tapered lengths of metal that are
sandwiched between two moving surfaces. Gibs
control the gap between these surfaces and how
they slide past one another. Correctly adjusting
the gibs is critical to producing good milling
results.
Table Gib &
Adjustment Screw
Tight gibs make table movement more
accurate but stiff. Loose gibs make moving the
table sloppy but easier to do. The goal of gib
adjustment is to remove unnecessary sloppiness
without causing the ways to bind.
Figure 61. Table gib and adjustment screw underneath
the left side of the table.
Gibs are adjusted with a screw on each end of
the gib, that move the tapered gib back-and-
forth to increase or decrease the friction pressure
between the sliding surfaces. The process of
properly adjusting the gibs requires trial-and-
error and patience.
DISCONNECT MILL FROM POWER BEFORE
ADJUSTING THE GIBS!
Make sure all table and knee locks are loose.
Then, loosen one gib adjustment screw and
tighten the other the same amount to move the
gib. Use the ball handles/crank to move the table/
knee until you feel a slight drag in that path of
movement.
Saddle Gib &
Adjustment Screw
Figure 62. Saddle gib and adjustment screw.
Refer to Figures 61–63 to identify the locations
of the table, saddle, and knee gibs, and one of the
two adjustment screws for each.
Knee Gib &
Adjustment
Screw
Note: It will be necessary to remove small parts,
such as way wipers and covers, to access the gib
adjustment screws.
Figure 63. Knee gib and adjustment screw.
-58-
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SB1024/SB1025/SB1026
S E R V I C E
Longitudinal Leadscrew Backlash
Adjusting Leadscrew
Backlash
1. DISCONNECT MILL FROM POWER!
2. Loosen the two cap screws on the leadscrew
nut accessed from underneath the left side of
the table, as shown in Figure 64.
Leadscrew backlash is the amount of motion
the leadscrew rotates before the attached device
begins to move.
Although the mill is equipped with double-
bronzed longitudinal and cross leadscrew nuts to
minimize backlash, leadscrews will always have
a certain amount of backlash that will increase
with normal wear.
Generally, 0.005"–0.010" leadscrew backlash
is acceptable to ensure smooth movement and
reduce the risk of premature thread wear.
However, if you find it necessary to adjust
leadscrew backlash, perform the procedures
listed below.
Leadscrew Nut (1 of 2)
& Cap Screw
Figure 64. Longitudinal leadscrew nut and cap screw,
as viewed from underneath the left side of the table.
Tools Needed
Qty
T-Handle Hex Wrench 5mm.................................1
Hex Wrench 3mm .................................................2
Hex Wrench 8mm .................................................1
Wrench 19mm .......................................................1
3. Rotate the adjustment plate on the
leadscrew nut in small increments, then
check the amount of backlash.
4. When you are satisfied with the adjustment,
re-tighten the two cap screws.
-59-
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SB1024/SB1025/SB1026
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S E R V I C E
Cross Leadscrew Backlash
1. DISCONNECT MILL FROM POWER!
2. Remove the hex nut and ball handle from the
cross leadscrew.
Note: In the next step, take care not to misplace
the leadscrew key as you remove the parts.
3. Unthread and remove the knurled retaining
ring, graduated dial ring, and the leadscrew
key, as shown in Figure 65.
Bearing
Housing
Figure 66. Removing the bearing housing from the
cross leadscrew.
5. Loosen the two cap screws on the face of the
leadscrew nut shown in Figure 67.
Cross Leadscrew
Figure 65. Ball handle, rings, and key removed from
the cross leadscrew.
4. Remove the four cap screws from the bearing
housing, then slide it off the leadscrew (see
Figure 66).
Cross Leadscrew
Nut & Cap Screws
Figure 67. Cross leadscrew nut and cap screws.
Note: It may be necessary to use a dead blow
hammer or rubber mallet on the housing to
knock it loose.
6. Re-install the key back onto the leadscrew so
that you can use the ball handle in the next
step.
7. Rotate the adjustment plate on the
leadscrew nut in small increments, then
check the amount of backlash.
8. When you are satisfied with the adjustment,
re-tighten the two cap screws.
9. Re-install the parts previously removed in
the reverse order.
-60-
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SB1024/SB1025/SB1026
TROUBLESHOOTING
If you need replacement parts, or if you are unsure how to do any of the solutions given here, feel free
to call us at (360) 734-1540.
!
Symptom
Possible Cause
Possible Solution
Machine does not
start or a breaker
trips.
1. Emergency stop button is pushed in
1. Rotate the button clockwise until it pops out;
or is at fault.
replace if necessary.
2. Plug/receptacle is at fault or wired
2. Test for good contacts; correct the wiring.
incorrectly.
3. Power supply is switch OFF or is
3. Ensure hot lines have correct voltage on all legs and
at fault.
main power supply is switched ON.
4. Motor connection wired incorrectly.
4. Correct motor wiring connections (Pages 66 & 69).
5. ON button or spindle direction
5. Replace faulty ON button or spindle direction
switch at fault.
switch.
6. Motor windings or motor is at fault.
6. Replace motor.
Machine stalls or is
overloaded.
1. Machine is undersized for the task.
1. Use smaller sharp tooling; reduce the feed rate;
reduce the spindle speed; use coolant.
2. Workpiece alignment is poor.
2. Eliminate workpiece binding; use vise or clamps as
required for proper workpiece alignment control.
3. Dull or incorrect cutting tool.
3. Use sharp and correct cutting tool for the operation.
4. Spindle speed is incorrect for the
4. Select appropriate spindle speed (Page 37).
operation.
5. Motor connection wired incorrectly.
5. Correct motor wiring connections (Pages 66 & 69).
6. Plug/receptacle is at fault or wired
incorrectly; incorrect voltage
coming from power source.
6. Test for good contact; correct wiring problems;
ensure hot lines have correct voltage on all legs.
7. Pulley(s) slipping on shaft.
7. Replace loose pulley/shaft.
8. Motor bearings at fault.
8. Test by rotating shaft; rotation grinding/loose shaft
requires bearing replacement.
9. Motor has overheated.
9. Clean off motor, let cool, and reduce workload.
10. Motor is at fault.
10. Replace motor.
Machine has
vibration or noisy
operation.
1. Tool holder or cutter is at fault.
2. Workpiece alignment is poor.
3. Motor or component is loose.
4. Pulley is loose.
1. Replace out-of-round tool holder; replace/re-sharpen
cutter; use appropriate feed rate spindle speed.
2. Eliminate workpiece binding; use vise or clamps as
required for proper workpiece alignment control.
3. Inspect replace stripped or damaged bolts/nuts and
re-tighten with thread locking fluid.
4. Re-align/replace shaft, pulley, set screw, and key as
required.
5. Machine is incorrectly mounted to
5. Re-tighten/replace mounting bolts in floor; relocate/
floor or sits uneven.
shim machine.
6. Motor fan is rubbing on fan cover.
7. Pulley(s) slipping on shaft.
8. Motor bearings at fault.
6. Replace dented fan cover or fan.
7. Replace loose pulley/shaft.
8. Test by rotating shaft; rotation grinding/loose shaft
requires bearing replacement.
9. Gearbox is at fault.
9. Rebuild gearbox for bad gear(s)/bearing(s).
-61-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
TROUBLESHOOTING
!
Symptom
Possible Cause
Possible Solution
Tool slips in collect.
1. Collet is not fully drawn into
1. Snug up the drawbar to fully seat the collet.
spindle taper.
2. Wrong size collet.
2. Use correct collect for tool shank diameter.
3. Debris on mating surfaces of collet
3. Remove oil and debris from mating surfaces, then
and spindle.
re-install.
4. Excessive depth of cut.
4. Decrease depth of cut and allow chips to clear.
Tool breakage.
1. Spindle speed too slow/feed rate too
1. Use correct spindle speed and feed rate (Page 37).
fast.
2. Tool getting too hot.
2. Use coolant; reduce spindle speed/feed rate
(Page 37).
3. Excessive depth of cut.
3. Decrease depth of cut and allow chips to clear.
Workpiece chatters
or vibrates during
operation.
1. Table/saddle/knee locks not tight.
1. Tighten all locks on mill that are not associated
with necessary table movement for the operation.
2. Workpiece not securely clamped to
2. Check that clamping is tight and sufficient for the
operation; make sure mill vise is clamped tight to
table.
table or mill vise.
3. Tool not secure or is damaged.
3. Properly secure the tool; replace if damaged.
4. Spindle speed too fast/feed rate too
4. Use correct spindle speed and feed rate (Page 37).
slow.
5. Gibs are too loose.
5. Properly adjust gibs (Page 58).
Table hard to
move.
1. Table/saddle/knee locks are
1. Full loosen locks needed for movement.
tightened down.
2. Chips have loaded up on the ways.
2. Frequently clean away chips from the ways that
build up during operation.
3. Ways are dry and in need of
3. Use the one-shot oiler (Page 52).
lubrication.
4. Gibs are too tight.
4. Properly adjust gibs (Page 58).
Bad surface finish.
1. Wrong spindle speed/feed rate.
1. Use correct spindle speed and feed rate (Page 37).
2. Dull/damaged tool; wrong tool for
2. Sharpen/replace tool; use correct tool for operation.
operation.
3. Wrong spindle rotation direction for
3. Check for proper spindle rotation direction for tool.
tool.
4. Workpiece not securely clamped to
4. Check that clamping is tight and sufficient for the
operation; make sure mill vise is clamped tight to
table.
table or mill vise.
5. Gibs are too loose.
5. Properly adjust gibs (Page 58).
Power feed chatters
or grinds during
operation.
1. Brass bevel gear is not meshed with
1. Remove parts from the power feed side of the
longitudinal leadscrew to ensure the bevel gear is
properly meshed; make sure the ball handle nut is
tight.
the drive gear.
2. Power feed unit is at fault
2. Replace.
-62-
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SB1024/SB1025/SB1026
E L E C T R I C A L
Electrical Safety Instructions
These pages are accurate at the time of printing. In the constant effort to improve, however, we may
make changes to the electrical systems of future machines. Study this section carefully. If you see
differences between your machine and what is shown in this section, call Technical Support at (360)
734-1540 for assistance BEFORE making any changes to the wiring on the machine.
1. Shock Hazard: Working on wiring that is
connected to a power source is extremely
dangerous. Touching electrified parts will
result in personal injury including but
not limited to severe burns, electrocution,
or death. Disconnect the power from
the machine before servicing electrical
components!
5. Circuit Requirements: You MUST follow
the requirements at the beginning of this
manual when connecting your machine to a
power source.
6. Capacitors/Inverters: Some capacitors and
power inverters store an electrical charge for
up to 10 minutes after being disconnected
from the power source. To reduce the risk of
being shocked, wait at least this long before
working on capacitors.
2. Wire Connections: All connections must be
tight to prevent wires from loosening during
machine operation. Double-check all wires
disconnected or connected during any wiring
task to ensure tight connections.
7. Wire/Component Damage: Damaged wires
or components increase the risk of serious
personal injury, fire, or machine damage. If
you notice that any wires or components are
damaged while performing a wiring task,
replace those wires or components before
completing the task.
3. Modifications: Using aftermarket parts or
modifying the wiring beyond what is shown
in the diagram may lead to unpredictable
results, including serious injury or fire.
8. Experiencing Difficulties: If you are
experiencing difficulties understanding the
information included in this section, contact
our Technical Support at (360) 734-1540.
4. Motor Wiring: The motor wiring shown in
these diagrams is current at the time of
printing, but it may not match your machine.
Always use the wiring diagram inside the
motor junction box.
-63-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
E L E C T R I C A L
Wiring Overview
Motor Junction Box
SB1024/SB1026:
See Page 66 and
Figure 70
SB1025:
See Page 69 and
Figure 74
Work Lamp
SB1024/SB1026:
See Page 66 and
Figure 69
SB1025:
See Page 69 and
Figure 73
Electrical Box
SB1024/SB1026:
See Page 65 and
Figure 68
SB1024/SB1026:
See Page 68 and
Figure 72
Control Panel
SB1024/SB1026:
See Page 66 and
Figure 71
SB1025:
See Page 69 and
Figure 75
WIRING DIAGRAM COLOR KEY
BLUE
WHITE
BLACK
BLUE
PINK
RED
WHITE
YELLOW
GREEN
LIGHT
BLUE
GREEN
PURPLE
TUR-
QUIOSE
YELLOW
GRAY
ORANGE
BROWN
The photos and diagrams included in this section are best viewed in color. You can
see them in color at www.southbendlathe.com.
NOTICE:
-64-
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SB1024/SB1025/SB1026
E L E C T R I C A L
SB1024/SB1026 Electrical Box
SB1024/26
Electrical
T
R
L1
L3
Box, See
Figure 71
3R
3R
3R
1R
0V
230V 380V 415V 460V
TRANSFORMER
Yung-Jeng
A009-0383
Fuse
30A
Fuse
30A
110V 24V 12V
0V
E
20
35
1
T1
1R
3R
R
T
T1
T1 T1
T1
T1
2
A1
3
11
R
A2
A1
L1
A2
A1
A2
7
9
R
R
R
T
T
T
T1
T
20
1
L1
3
L2
5
L3 21 NC
1
3
L2
5
L3 21 NC
1
L1
3
L2
5
L3
L4
RELAY
CONTACTOR
Allen Bradley
C16 01
CONTACTOR
Allen Bradley
C16 01
CONTACTOR
Allen Bradley
C09 400
W
U
OMRON
MY2J
V
24VAC
2
T1
4
T2
6
T3
22 NC
2
T1
4
T2
6
T3
22 NC
2
T1
4
T2
6
T3
8
T4
4
U
V
W
10
U
V
W
8
22
21
T1
4
T1
L1
1
2
3
4
4
8
10
21
22
35
T1
L3
U
V
W
W
22
22
U
V
L1 L3
21
1
2
3
8
10 21 21
22
35 T1 T1
22
2
4
3
8
10
21
T1
L1
L3
35
T1
Ground
-65-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
E L E C T R I C A L
SB1024/SB1026 Electrical Components
Work Lamp
See Figure 69
Motor
See Figure 70
Ground
U
V
W
Ground
Hot
G
220
VAC
Hot
6-20 Plug
(As Recommended)
Control Panel (Viewed From Behind)
See Figure 71
Spindle 4
T1
4
4
Power
Start
Indicator
X1
X2
X1
X2
3
Spindle
Direction
4
4
4
3
1
1
T1 T1
3
4
3
4
1
3
Emergency
Stop
Spindle
Stop
3
10
8
T1
1
2
1
2
10
8
4
3
2
1
2
2
2
-66-
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SB1024/SB1025/SB1026
E L E C T R I C A L
SB1024/SB1026 Electrical Component
Pictures
Figure 70. Motor junction box.
Figure 68. Electrical box.
Figure 71. Control panel.
Figure 69. Work lamp.
-67-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
E L E C T R I C A L
SB1025 Electrical Box
Electrical
Box, See
Figure 72
T
R
L1
L2
L3
3R
3R 3R
R
0V
230V 380V 415V 460V
TRANSFORMER
Yung-Jeng
A009-0383
Fuse
30A
Fuse
30A
Fuse
30A
110V 24V 12V
0V
E
35
1
20
1R
3R
T1
T
T
S
R
R
4
T1
T1
T1
4
2
A1
A2
A1
A2
S
T1
4
20
T
R
W1
W1
U1 V1 W1 U2 V2 W2
V1
U2
1
L1
3
L2
5
L3
7
L4
1
L1
3
L2
5
L3
7
L4
V2
W2
CONTACTOR
Allen Bradley
C09 400
CONTACTOR
Allen Bradley
C09 400
U1 V1 W1 U2 V2 W2
2
T1
4
T2
6
T3
8
T4
2
T1
4
T2
6
T3
8
T4
22
3
U
21
W
V
1
2
3
4
21 22
35
T1
U
V
W
L1
L2
L3
1
2
3
4
21 21 22 22 35 T1 T1
U
V
W
L1
L2
L3
22
22
U2 V2
W2
W1
V1
U1
21
4
1
3
21
2
T1
35
L1
L3
Ground
T1
L2
-68-
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SB1024/SB1025/SB1026
E L E C T R I C A L
SB1025 Electrical Components
Work Lamp
See Figure 73
Motor
See Figure 74
U1
U2
U2
U1
V1
V2
V2
V1
W1
W1
W2
W2
Ground
Ground
G
Hot
220
VAC
Hot
6-20 Plug
(As Recommended)
Control Panel (Viewed From Behind)
See Figure 75
Power
Indicator
Spindle
Start
Spindle Direction/Speed Switch
(Both Sides Shown)
4
T1
4
2
6
4
8
U
V
1
5
3
7
1
2
X1
X2
3
4
12
10
V2
V1
U2
U1
9
11
3
3
1
T1
T1
16
14
13
15
Emergency
Spindle
Stop
20
17
24
21
18
19
22
23
W1
W2
V
1
Stop
1
3
W
U
2
1
1
2
U2
U1
W
V1
V2
4
3
2
2
GND
2
T1
1
2
-69-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
E L E C T R I C A L
SB1025 Electrical Component Pictures
Figure 74. SB1025 Motor junction box.
Figure 72. SB1025 Electrical box.
Figure 75. SB1025 Control panel.
Figure 73. SB1025 Work lamp.
-70-
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SB1024/SB1025/SB1026
P A R T S
Headstock
-71-
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P A R T S
Headstock Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
1
2
3
4
5
6
PSB10240449 ROUND KNOB 3/8-16
PSB10240002 PINION SHAFT LEVER
PSB10240003 PINION SHAFT HUB
50
51
52
53
54
PSB10240037A CLUSTER GEAR SHAFT 18T/12T
PSB10240037A FEED DRIVE CLUSTER GEAR 23T
PSB10240037A NEEDLE BEARING BZ66Z TIMKEN
PSB10240053 REVERSE CLUTCH ROD
PSTB004
PSB10240005 COMPRESSION SPRING
PSS05 SET SCREW 5/16-18 X 1/4
STEEL BALL 3/16
PSB10240055A FEED REVERSE BUSHING
55A PSB10240055A FEED REVERSE BEVEL GEAR ASSY
7
8
9
10
11
12
13
14
15
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
PSB10240007 HUB RETAINER
PSB10240008 PINION SHAFT HUB SLEEVE
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
PSB10240055A FEED REVERSE BEVEL GEAR
PSB10240056 FEED REVERSE CLUTCH
PCAP33M
CAP SCREW M5-.8 X 12
PRP42M
PR03M
ROLL PIN 3 X 20
EXT RETAINING RING 12MM
PSB10240010 RETURN SPRING COVER
PSB10240011
PK155M
FLAT COIL SPRING
KEY 3 X 3 X 18
PSB10240059 FEED WORM SHAFT BUSHING
PK39M
KEY 3 X 3 X 10
PSB10240013
PSB10240014
PRIV001M
RETURN SPRING STUD
QUILL PINION SHAFT 10T/16T
FLUTED RIVET 2 X 5MM STEEL
ZERO SCALE
PK52M
KEY 3 X 3 X 15
PSB10240062 WORM
PSB10240063 BUSHING
PSB10240017
PCAP06M
PSS01M
CAP SCREW M6-1 X 25
SET SCREW M6-1 X 10
PSB10240018 ROUND KNOB 1/4-20
PSB10240019
PSS11
PSB10240021
SHIFT CRANK
SET SCREW 1/4-20 X 1/4
COMPRESSION SPRING 9 X 1 X 24MM
PSB10240066 FEED GEAR SHIFTER FORK
PSB10240067 CLUSTER GEAR SHIFT CRANK
PSB10240068 FEED SHIFT ROD
PSB10240069 CLUSTER GEAR COVER
PSB10240070 QUILL PINION SHAFT BUSHING
PSB10240022 GEAR SHIFT PLUNGER
PSB10240023 SHIFT SLEEVE
PSB10240024 WORM GEAR CRADLE THROW-OUT
PSB10240025 WORM SHAFT
PSB10240071
OVERLOAD CLUTCH WORM GEAR 30T
72
73
PR05M
EXT RETAINING RING 15MM
PSS01M
PK102M
SET SCREW M6-1 X 10
KEY 4 X 4 X 18
PSB10240073A PINION OVERLOAD CLUTCH SHAFT
73A PSB10240073A PINION OVERLOAD CLUTCH ASSY
PSB10240028 WORM GEAR
PSB10240029 CLUSTER GEAR RETAINER
PSB10240030 FEED CLUSTER GEAR 17T/28T/22T
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
PSB10240073A OVERLOAD CLUTCH
PSB10240073A COMPRESSION SPRING 40 X 46 X 3.5MM
PSS05M
SET SCREW M5-.8 X 10
PR06M
EXT RETAINING RING 16MM
PSB10240073A PINION OVERLOAD CLUTCH COLLAR
PSB10240078 CLUTCH RING
PSB10240079 FLAT WASHER 10 X 22 X 3MM
PSB10240032 BEVEL GEAR BUSHING
PSB10240033 BEVEL GEAR THRUST SPACER
PSB10240034 FEED REVERSE BEVEL PINION
PR01M
EXT RETAINING RING 10MM
PK53M
PSB10240037A FEED ENGAGE PIN
37A PSB10240037A WORM GEAR CRADLE ASSEMBLY
KEY 3 X 3 X 45
PSB10240081 CLUTCH RING SCREW M5-.8 X 16
PSB10240082 OVERLOAD CLUTCH TRIP LEVER
PRP03M
ROLL PIN 5 X 20
37
38
39
40
41
42
43
44
45
46
47
48
49
PSB10240037A WORM GEAR CRADLE
PSB10240084 CLUTCH ARM COVER
PSS26M
PCAP04M
PW03M
SET SCREW M5-.8 X 6
CAP SCREW M6-1 X 10
FLAT WASHER 6MM
PCAP79M
PN05
CAP SCREW M5-.8 X 35
HEX NUT 1/4-20
PSS06
SET SCREW 1/4-20 X 3/4
PSB10240037A WORM GEAR SPACER
PSB10240037A FEED DRIVE WORM GEAR 20T
PSB10240037A WORM CRADLE BUSHING
PSB10240088 COMPRESSION SPRING 1.2 X 6.6 X 42MM
PSB10240089 OVERLOAD CLUTCH PLUNGER
PSB10240090 OIL CUP 1/8"
PK103M
PSB10240037A FEED REVERSE BEVEL PINION
PCAP30 CAP SCREW 5/16-18 X 1/2
KEY 3 X 3 X 12
PSB10240091
TRIP PLUNGER BUSHING
PSB10240092 FEED TRIP PLUNGER
PSB10240093 FEED TRIP LEVER
PSB10240094 TRIP LEVER SCREW M6-1 X 22.5
PSB10240037A BEVEL GEAR FLAT WASHER 8MM
PSB10240037A FEED BEVEL GEAR 24T
PN04M
HEX NUT M4-.7
PK03M
KEY 3 X 3 X 8
PSS49M
SET SCREW M4-.7 X 16
-72-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
P A R T S
Headstock Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
97
98
99
100
101
102
103
104
PSB10240097 KNURLED KNOB SCREW M6-1 X 15
PSB10240098 SCRIBING LEVER
PSB10240099 REVERSE TRIP BALL LEVER SCREW
PSB10240100 FEED REVERSE TRIP PLUNGER
116
117
118
119
120
121
122
123
124
125
126
PCAP02M
CAP SCREW M6-1 X 20
STOP SHAFT TRIP LEVER
HANDWHEEL CLUTCH
STEEL BALL 5MM
COMPRESSION SPRING
SET SCREW M8-1.25 X 6
QUILL DEPTH SCALE
PHLP HD SCR M4-.7 X 6
FINE DOWNFEED HANDWHEEL
HANDWHEEL HANDLE
E-CLIP 5MM
PSB10240117
PSB10240118
PSTB004M
PSB10240120
PSS17M
PSB10240122
PS17M
PSB10240124
PSB10240125
PEC13M
PSB10240101
PSB10240102
REVERSE TRIP BALL LEVER
QUILL STOP KNOB
PSB10240105A UPPER QUILL MICRO STOP
PSB10240105A LOWER QUILL MICRO STOP
105A PSB10240105A QUILL MICRO STOP ASSEMBLY
105
106
PSB10240105A QUILL MICRO STOP SHAFT
PCAP105 CAP SCREW 3/8-16 X 5/8
107A PSB10240107A STOP TRIP BAR ASSEMBLY
127A PSB10240127A KNURLED SLEEVE ASSEMBLY
107
108
109
110
111
PSB10240107A STOP SHAFT TRIP BAR
PSB10240107A COMPRESSION SPRING
PSB10240107A STOP SHAFT TRIP SHAFT
129
130
PSB10240129
PSB10240130
QUILL LOCK NUT M18-2.5
QUILL LOCK SLEEVE
133A PSB10240133A LOCK HANDLE ASSEMBLY
PRP61M
PSB10240107A STOP SHAFT END CAP
PRP02M ROLL PIN 3 X 16
ROLL PIN 3 X 12
135
136
137
138
139
PSB10240135
PSB10240136
PSB10240137
PSB10240138
PSB10240139
HEAD ROTATION LOCK BOLT 1/2-13 X 6-1/4
LOWER CLAMPING BOLT SPACER
LOCK BOLT FLAT WASHER
LOCK BOLT HEX NUT 1/2-13
QUILL HOUSING
112
113
114
115
PSB10240107A TRIP BAR SET SCREW
PSB10240107A STOP SHAFT PLUNGER
PSB10240115
FEED TRIP BRACKET
-73-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
P A R T S
Quill
Quill
Housing
217
216
215
218
214
213
212
211
210
209
208
205
206A
207
206
205
204
201
202
203
REF PART #
DESCRIPTION
SPINDLE R8
SET SCREW M6-1 X 8
REF PART #
DESCRIPTION
SPANNER LOCK WASHER
SPANNER NUT
201
PSB10240201
210
211
PSB10240210
PSB10240211
202 PSS03M
203 PSB10240203 QUILL END CAP
204 PSB10240204 QUILL SEAL
205 PSB10240205 ANGULAR CONTACT BEARING 7207 P4
206A PSB10240206A BEARING SPACER ASSEMBLY
206 PSB10240206A BEARING SPACER
212
213
214
215
216
217
218
PSB10240212
PSS26M
PSB10240214
PW02M
PS09M
PSB10240217
PSB10240218
QUILL SKIRT
SET SCREW M5-.8 X 6
QUILL
FLAT WASHER 5MM
PHLP HD SCR M5-.8 X 10
DRAWBAR 7/16-20 X 18-1/2
DRAWBAR WASHER
207
PSB10240206A BEARING SPACER
208 PSB10240208 SLEEVE
209 P6206ZZ
BALL BEARING 6206ZZ
-74-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
P A R T S
SB1024 Gearbox
305
306
324
325
301
326
307A
307
308
303A
327
328
329
330
302
303
306
309
310
331
332
333
311
312
304
334
329
336
314
313
335
315
337
317
341
316
342
343
339
318
340
344
345
321
322
323
346
347
348
349
For Reference Only
-75-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
P A R T S
SB1024 Gearbox Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
301
PSB10240301
GEARBOX PLATE
KEY 8 X 8 X 12
325 PSB10240325 BELT PULLEY GEAR
326 PCAP24M CAP SCREW M5-.8 X 16
327 PSB10240327 BULL GEAR PINION BEARING CAP
328 PSB10240328 WAVY SPRING WASHER
302 PK70M
303A PSB10240303A SPINDLE GEAR HUB ASSEMBLY
303 PSB10240303A SPINDLE GEAR HUB
304 PSB10240304 SPINDLE BULL GEAR
305 PSB10240305 BEARING SLEAVE
329 P6203VV-N
DEEP GROOVE BALL BEARING 6203VV NSK
330 PSB10240330 PINION GEAR 30T
306 P6908VV-N
DEEP GROOVE BALL BEARING 6908VV NSK
331
PSS20M
SET SCREW M8-1.25 X 8
307A PSB10240307A BEARING SPACER ASSEMBLY
332 PSB10240332 PINION GEAR SHAFT
307
PSB10240307A BULL GEAR BEARING SPACER
333 PK19M
334 PK14M
KEY 5 X 5 X 14
KEY 5 X 5 X 18
308 PSB10240307A BULL GEAR BEARING SPACER
309 PR38M
INT RETAINING RING 62MM
WAVY SPRING WASHER
SPANNER LOCK WASHER
335 PSB10240335 STRAIGHT GREASE FITTING 1/8 PT
336 PSB10240336 GEARBOX HOUSING
310
311
PSB10240310
PSB10240311
337
PCAP14M
CAP SCREW M8-1.25 X 20
312
313
314
315
316
317
318
321
322
PSB10240303A SPANNER NUT
339 PSB10240339 BULL GEAR SHIFT PINION
340 PSB10240340 HI-LOW DETENT PLATE
PSB10240313
PSB10240314
PSB10240315
PFH71M
BEARING SLEAVE WASHER
STEP PIN
COMPRESSION SPRING
FLAT HD CAP SCR M5-.8 X 8
INSERT
341
342
PCAP33M
PRP02M
CAP SCREW M5-.8 X 12
ROLL PIN 3 X 16
343 PSS26M
SET SCREW M5-.8 X 6
PSB10240317
344 PSB10240344 HI-LOW PINION BLOCK
345 PCAP16M CAP SCREW M4-.7 X 16
346 PSB10240346 HI-LOW DETENT PLUNGER
347 PSB10240347 COMPRESSION SPRING
348 PSB10240348 HI-LOW LEVER
349 PSB10240349 ROUND KNOB 1/4-20
PSB10240090 OIL CUP 1/8"
PSB10240321
DOUBLE END HOUSING STUD
PLW05
LOCK WASHER 7/16
HEX NUT 7/16-14
HEX NUT 5/8-18
323 PN19
324
PN09
-76-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
P A R T S
SB1025/SB1026 Gearbox
301
302
303
304
303
305
306
308
307
309
323
324
310
311
312
325
313
314
309
For Reference Only
326
315
316
317
318
319
331
321
322
320
332
327
333
334
328
329
330
For Reference Only
-77-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
P A R T S
SB1025/SB1026 Gearbox Parts List
REF PART #
301 PN04
302 PFH07M
DESCRIPTION
HEX NUT 5/8-11
FLAT HD SCR M5-.8 X 10
REF PART #
DESCRIPTION
SET SCREW M6-1 X 6
318
319
PSS02M
PSB10240018 ROUND KNOB 1/4-20
303 PSB10250303 PULLEY FLANGE
320 PSB10250320 COMPRESSION SPRING
304 PSB10250304 TIMING BELT PULLEY
321
PSB10250321
GEAR SHIFT PLUNGER
305 PCAP33M
CAP SCREW M5-.8 X 12
322
PSB10250322 SPECIAL HARDENED HEX NUT 1/4-20
306 PSB10250306 GEARBOX COVER
307A PSB10240307A BEARING SPACER ASSEMBLY
323 PSB10250323 SPLINE GEAR HUB
324 PK70M KEY 8 X 8 X 12
307
308 PSB10240307A WAVE SPRING WASHER
309 P6203VV-N DEEP GROOVE BALL BEARING 6203VV NSK
PSB10240307A GREASE FITTING 1/8
325 PSB10250325 SPINDLE BULL GEAR
326 PSB10250326 GEARBOX HOUSING
327
P6908VV-N
DEEP GROOVE BALL BEARING 6908VV NSK
310
311
PK20M
KEY 5 X 5 X 15
PINION GEAR SHAFT
PINION GEAR 26T
BACK GEAR SHIFTER FORK
STEPPED PIN
BACK GEAR SHIFT CRANK
BACK GEAR SHIFT BUSHING
SHIFT CRANK
328 PSB10250328 INT RETAINING RING
329 PSB10250329 SPANNER LOCK WASHER
330 PSB10250330 SPANNER NUT
PSB10250311
PSB10250312
PSB10250313
PSB10250314
PSB10250315
PSB10250316
PSB10250317
312
313
314
315
316
317
331
PCAP01M
CAP SCREW M6-1 X 16
332 PSB10250332 T-BOLT
333 PLW05
334 PN19
LOCK WASHER 7/16
HEX NUT 7/16-14
-78-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
P A R T S
SB1024 Belt Housing
401
403A
403-1
402
414
415
418
403
416
417
420
421
402
419
467
468
403-2
403-3
405
407
404
406
422
470
469
427
424
423
409
471
472
428
473
429
474
430
476
477
479
491
492
403-4
403-5
480
481
425
426
415
408
407
478
482
475
431
493
432
410
411
483
495
484
487
433
434
435
485
494
496
486
488
412
413
498
497
409
433
436
489
490
437
438
439
440
441
442
443
444
445
452
458
451
450
453
449
454
455
456
449
448
446
447
432
457
462
459
461
460
463
464
465
For Reference Only
466
-79-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
P A R T S
SB1024 Belt Housing Parts List
REF PART #
401 PCAP14
402 PLW06M
DESCRIPTION
REF PART #
DESCRIPTION
CAP SCREW 3/8-16 X 1
447
PSB10240447 BRAKE SHOE SET
LOCK WASHER 10MM
448 PR47M
449 PSS03M
450 PSB10240450 BRAKE SHAFT SLEEVE
EXT RETAINING RING 13MM
SET SCREW M6-1 X 8
403A PSB10240403A MOTOR ASSEMBLY
403 PSB10240403A MOTOR 2HP 220V 1PH
403-1 PSB10240403A MOTOR FAN COVER
403-2 PSB10240403A MOTOR FAN
451
PSB10240451
BRAKE SHAFT
E-CLIP 4MM
452
PEC02M
403-3 PSB10240403A CAPACITOR COVER
403-4 PSB10240403A S CAPACITOR 600M 125V 2 X 3-1/2
403-5 PSB10240403A MOTOR JUNCTION BOX
453 PSB10240453 BRAKE LEVER BRACKET
454 PSS26M SET SCREW M5-.8 X 6
455 PSB10240455 GROOVED PIN
404 PK28M
405 PSB10240405 UPPER MOTOR PULLEY PLATE
406 PSS20M SET SCREW M8-1.25 X 8
407 PSB10240407 MOTOR PULLEY PLASTIC RING
408 PSB10240408 LOWER MOTOR PULLEY PLATE
KEY 7 X 7 X 30
456 PSB10240456 BRAKE LEVER
457
PSB10240449 ROUND KNOB 3/8-16
458 PSB10240458 BRAKE OPERATING FINGER
459 PSB10240459 BRAKE FINGER PIVOT STUD
460 PR36M
EXT RETAINING RING 7MM
BRAKE SEAT
409 PFH31M
FLAT HD SCR M4-.7 X 8
MOTOR PULLEY ALIGNMENT KEY
MOTOR SHAFT COMPRESSION SPRING
SPRING SEAT
461
PSB10240461
410
411
PSB10240410
462 PCAP01M
CAP SCREW M6-1 X 16
PSB10240411
PSB10240412
PR20M
463 PSB10240463 SPINDLE PULLEY SPACER
464 PSB10240464 SPINDLE PULLEY HUB
465 PSB10240465 TIMING BELT 225L-100
466 PSB10240466 TIMING PULLEY CLUTCH SLEEVE
412
413
414
415
416
417
418
419
INT RETAINING RING 28MM
SET SCREW M5-.8 X 10
PSS05M
PCAP02M
CAP SCREW M6-1 X 20
467
468 PS05M
469 PRP56M
SB1319
SOUTH BEND NAMEPLATE 90MM
PHLP HD SCR M5-.8 X 8
ROLL PIN 4 X 25
PSB10240416
P6007VV-N
PN08
TOP BEARING COVER
DEEP GROOVE BALL BEARING 6007VV NSK
HEX NUT 3/8-16
470
471
PSB10240470 UPPER SPEED CHANGE STUD
PSB10240419
BELT HOUSING
PSB10240471
SPEED CHANGE STUD SLEEVE
420 PSB10240420 REAR VENT COVER
472
473
474
475
476
477
478
479
PSS45M
SET SCREW M3-.5 X 6
421
PS05M
PHLP HD SCR M5-.8 X 8
PSB10240473 LOWER SPEED CHANGE STUD
PSB10240474 SPEED CHANGE CHAIN
PN04M
PRP16M
PSB10240477
PRP03M
PSB10240479 BUSHING
422
423
424
425
P6204VV-N
PSB10240423 MOTOR PULLEY COVER
PSB10240424 SPEED CHANGE PLATE PIVOT STUD
PW01M
DEEP GROOVE BALL BEARING 6204VV NSK
HEX NUT M4-.7
ROLL PIN 3 X 25
SPEED CHANGE CHAIN DRUM
ROLL PIN 5 X 20
FLAT WASHER 8MM
426 PSB10240426 COTTER PIN 1/8
427 PCAP24M CAP SCREW M5-.8 X 16
428 PSB10240428 PIVOT SLEET
480 PSB10240480 SPEED CHANGE WORM GEAR
429 PSB10240429 SPEED CHANGE PLATE
481
PRP35M
ROLL PIN 5 X 10
430 PR12M
EXT RETAINING RING 35MM
SLIDE HOUSING
DEEP GROOVE BALL BEARING 6010VV NSK
482 PRP61M
483 PSB10240483 WORM
484 PSB10240484 BRONZE SLEEVE BEARING
485 PSB10240485 BUSHING
486 PSB10240486 SPEED CONTROL SHAFT
ROLL PIN 3 X 12
431
432
PSB10240431
P6010VV-N
433 PSB10240433 SPINDLE PULLEY PLASTIC RING
434 PSB10240434 SPINDLE PULLEY ALIGNMENT KEY
435 PSB10240435 UPPER SPINDLE PULLEY PLATE
436 PSB10240436 RIBBED DRIVE BELT 38-12-890
487
PSS02M
SET SCREW M6-1 X 6
488 PSB10240488 SPEED CHANGE HANDWHEEL
489 PSB10240489 HANDWHEEL HANDLE
437
PR68M
EXT RETAINING RING 40MM
438 PSB10240438 LOWER SPINDLE PULLEY PLATE
490 PSB10240490 SPEED CHANGE WARNING PLATE
439 PK27M
440 PS68M
KEY 7 X 7 X 25
PHLP HD SCR M6-1 X 10
FLAT WASHER 6MM
491
PSB10240491
SPEED CHANGE HOUSING
CAP SCREW M6-1 X 35
SET SCREW M6-1 X 16
492 PCAP48M
493 PSS11M
441
PW03M
442
443 PS11M
444
PSB10240442 BRAKE BEARING CAP
PHLP HD SCR M6-1 X 16
PSB10240444 BRAKE SHOE PIVOT SLEEVE
445 PS12M PHLP HD SCR M3-.5 X 6
494 PSB10240494 BRONZE SLEEVE BEARING
495 PSB10240495 VARIABLE SPEED DIAL
496 PN02
497 PSB10240497 VARIABLE SPEED DIAL PLATE
498 PS79M PHLP HD SCR M3-.5 X 8
HEX NUT 5/16-18
446 PSB10240446 BRAKE SHOE SPRING
-80-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
P A R T S
SB1025/SB1026 Belt Housing
-81-
Download from Www.Somanuals.com. All Manuals Search And Download.
SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
P A R T S
SB1025/SB1026 Belt Housing Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
401
401
PSB10250401
PSB10260401
MOTOR 2HP 220V 3PH (SB1025)
MOTOR 2HP 220V 1PH (SB1026)
420 PEC13M
E-CLIP 5MM
BRAKE HANDLE
421
PSB10250421
401-1 PSB10250401-1 MOTOR FAN COVER (SB1025)
401-1 PSB10260401-1 MOTOR FAN COVER (SB1026)
401-2 PSB10250401-2 MOTOR FAN (SB1025)
422
423
424
425
PSS26M
SET SCREW M5-.8 X 6
GROOVED PIN
PSB10250423
PSB10250424
SB1319
BRAKE HANDLE PIVOT RING
SOUTH BEND NAMEPLATE 90MM
PHLP HD SCR M5-.8 X 8
FLUTED RIVET 2 X 5MM STEEL
SPINDLE SPEED PLATE
BRAKE STUD
401-2 PSB10260401-2 MOTOR FAN (SB1026)
401-3 PSB10250401-3 MOTOR JUNCTION BOX (SB1025)
401-3 PSB10260401-3 MOTOR JUNCTION BOX (SB1026)
401-4 PSB10260401-4 CONTACTOR COVER (SB1026)
401-5 PSB10260401-5 S CAPACITOR 600M 125V (SB1026)
426 PS05M
427 PRIV001M
428 PSB10250428
429 PSB10250429
430 PSB10250430
402 PN11
HEX NUT 3/8-24
BRAKE RING SCREW
403 PSB10250403
404 PSB10250407
405 PSB10250405
406 PK28M
BELT TENSION ADJUSTMENT LEVER
KNOB 5/16-18
MOTOR PULLEY
431
PSB10250431
BRAKE SHOE SET
433 PSB10250433
434 PS12M
435 PSB10250435
436 PSB10250436
COMPRESSION SPRING
PHLP HD SCR M3-.5 X 6
INNER BEARING RETAINING RING
OUTER BEARING RETAINING RING
DEEP GROOVE BALL BEARING 6207VV NSK
BEARING SPACER
KEY 7 X 7 X 30
407
PW01M
FLAT WASHER 8MM
CAP SCREW M8-1.25 X 20
PHLP HD SCR M3-.5 X 8
CAM RING COVER
408 PCAP14M
409 PS79M
437
P6207VV-N
438 PSB10250438
439 PSB10250439
440 PSB10250440
441
442
443 PSB10250443
444 PVA33
445 PSB10250445
446 PK143M
447
410
411
PSB10250410
BEARING SPACER
PSB10250411
PSB10250412
PSB10250413
PN02
PSB10250415
PSB10250416
PSB10250417
PSB10250418
PSB10250419
CAM RING
COMPRESSION SPRING
SET SCREW M3-.5 X 6
BEARING SEAT
SPINDLE PULLEY
V-BELT A33
SPINDLE PULLEY SPLINE
KEY 6 X 6 X 25
TIMING BELT 225L-100
TIMING PULLEY CLUTCH SLEEVE
412
413
414
415
416
417
418
419
CAM RING SCREW M6-1 X 8
MOTOR MOUNTING STUD 1/2-13 X 2-3/16
HEX NUT 5/16-18
BELT HOUSING
MOTOR MOUNTING WASHER 21 X 13 X 3MM
MOTOR LOCK NUT
PSS45M
PSB10250442
MOTOR LOCK LEVER
KNOB 1/4-20
PSB10250447
448 PSB10250448
-82-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
P A R T S
Ram
-83-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
P A R T S
Ram Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
501
PCAP31M
CAP SCREW M8-1.25 X 25
ROLL PIN 8 X 30
517
518
519
PSB10240517
PSB10240518
PSB10240519
TILT PIVOT STUD
TILT LOCK BOLT BUSHING
HEAD TILT WORM SHAFT
502 PRP90M
503 PSB10240503 GEAR 33T
504 PRIV001M
FLUTED RIVET 2 X 5MM STEEL
520 PSB10240520 LIFTING EYE BOLT 3/4-10
505 PSB10240505 HEAD ROTATION SCALE
506 PSB10240506 RAM ADAPTER
521
522
PSB10240521
PSB10240522 RAM GIB
RAM
507
PSB10240507 INDICATOR PLATE
523 PSB10240523 TURRET CLAMP BOLT
508 PSB10240508 WORM THRUST WASHER
524
PSB10240524 RAM PINION SCREW
509 PSB10240509 LOCK COLLAR
525
PSB10240525 TURRET
510
511
PSS02M
PK36M
SET SCREW M6-1 X 6
KEY 5 X 5 X 50
526 PSB10240526 RAM GIB ADJUSTMENT SCREW
527 PN08 HEX NUT 3/8-16
512
513
514
515
516
PSB10240512
PSB10240513
PSB10240514
PW10M
HEAD TILT WORM
HEAD TILT SCALE
TILT LOCK BOLT
FLAT WASHER 14MM
EXT RETAINING RING 28MM
528 PSB10240528 RAM LOCK PLUNGER
530A PSB10240530A LOCK LEVER ASSEMBLY
533 PSB10240533 RAM PINION
534 PSB10240534 RAM ROTATION SCALE
535 PSB10240535 TURRET BRACKET
PR19M
-84-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
P A R T S
Column, Knee, & Saddle
-85-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
P A R T S
Column, Knee, & Saddle Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
601
PSB10240601 COLUMN
636 PSB10240636 VERTICAL CRANK
637 PSB10240637 CRANK CLUTCH
638 PSB10240638 FRONT DIAL RETAINER
639 PSB10240639 VERTICAL DIAL INCH
640 PSB10240640 REAR DIAL RETAINER
602 PRIV001M
603 PSB10240603 INDICATOR PLATE
604 PSB10240604 REAR COLUMN COVER
605 PS09M
FLUTED RIVET 2 X 5MM STEEL
PHLP HD SCR M5-.8 X 10
606 PSB10240606 PIPE PLUG 1/2 PT
641
642 PSB10240642 BEARING RETAINER
643 P6204ZZ BALL BEARING 6204ZZ
644 PSB10240644 BEARING SEAT
645 PK47M KEY 4 X 4 X 15
646 PSB10240646 VERTICAL CRANK SHAFT
PCAP01M
CAP SCREW M6-1 X 16
607 PS40M
608 PW02M
609 PCAP11M
PHLP HD SCR M5-.8 X 16
FLAT WASHER 5MM
CAP SCREW M8-1.25 X 16
LOCK WASHER 8MM
610
PLW04M
613A PSB10240613A KNEE LOCK LEVER ASSEMBLY
615
616
617
618
PSB10240615
PSB10240616 LOWER KNEE LOCK PLUNGER
UPPER KNEE LOCK PLUNGER
647
PK48M
KEY 4 X 4 X 20
SET SCREW M6-1 X 6
648 PSS02M
649 PSB10240649 BEVEL PINION
650 PSS03M
P51305
THRUST BEARING 51305
PK20M
KEY 5 X 5 X 15
SET SCREW M6-1 X 8
619A PSB10240619A VERTCAL LEADSCREW W/NUT ASSY
619 PSB10240619A VERTICAL LEADSCREW INCH
620 PCAP02M CAP SCREW M6-1 X 20
621 PSB10240619A VERTICAL LEADSCREW BEVEL NUT INCH
622 PZERK005 GREASE FITTING ST 1/8 PT
623 PSB10240623 VERTICAL LEADSCREW HOUSING
624 PCAP19 CAP SCREW 3/8-16 X 1-1/4
651A PSB10240651A CHIP GUARD SET
651
PSB10240651A OUTER CHIP GUARD
652 PSB10240651A MIDDLE CHIP GUARD
653 PSB10240651A INNER CHIP GUARD
654 PSB10240654 WAY COVER SUPPORT
655 PN06M
656 PSB10240626A FRONT SADDLE WIPER
657 PSB10240657 SADDLE GIB
HEX NUT M5-.8
625 PSB10240625 COOLANT SCREEN
626A PSB10240626A KNEE/SADDLE WIPER ASSEMBLY
626 PSB10240626A RIGHT KNEE WIPER
658 PSB10240658 LEFT TABLE LOCK PLUNGER
659 PSB10240659 RIGHT TABLE LOCK PLUNGER
660 PSB10240660 SADDLE LOCK PLUNGER
627
PSB10240626A LEFT KNEE WIPER
628 PSB10240628 GIB SCREW
629 PSB10240629 KNEE GIB
661
PSB10240661 TABLE GIB SCREW
662 PSB10240662 TABLE GIB
663 PSB10240663 SADDLE
664 PSB10240626A REAR SADDLE WIPER
630 PN01
631 PSB10240631
632 PSB10240632 BEVEL GEAR
HEX NUT 1/2-20
BEVEL GEAR FLAT WASHER 1/2
665 PBHS13M
BUTTON HD CAP SCR M5-.8 X 18
633 P6205ZZ
634 PSB10240634 KNEE
635 PSB10240635 CRANK HANDLE
BALL BEARING 6205ZZ
666 PSB10240666 FRONT WAY COVER
667 PSB10240667 REAR WAY COVER
668 PSB10240668 HALOGEN WORK LAMP ASSY 24V
-86-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
P A R T S
Table
-87-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
P A R T S
Table Parts List
REF PART #
DESCRIPTION
HEX NUT 1/2-20
REF PART #
723A PSB10240723A LONGITUDINAL BALL HANDLE ASSY
DESCRIPTION
701
PN01
702
PSB10240702 HANDLE
723
724
725
729
730
731
732
733
734
735
PSB10240723A LONGITUDINAL BALL HANDLE
PSS08M SET SCREW M4-.7 X 5
PSB10240723A TABLE BALL HANDLE CLUTCH ASSY
PSB10240729 TABLE BEARING BRACKET
PSB10240730 RUBBER TABLE T-SLOT PLUG
PSB10240606 PIPE PLUG 1/2 PT
703 PSB10240703 CROSS FEED BALL HANDLE
704A PSB10240704A DIAL HOLDER ASSEMBLY
704
705
706 PSB10240704A INNER DIAL HOLDER
707 PCAP01M CAP SCREW M6-1 X 16
708 PSB10240708 BEARING RETAINER RING
709 P6204ZZ
710
711
PSB10240704A OUTER DIAL HOLDER
PSB10240705 TABLE DIAL INCH
PSB10240732 LONGITUDINAL LEADSCREW INCH
PCAP06M
CAP SCREW M6-1 X 25
BALL BEARING 6204ZZ
ROLL PIN 5 X 30
CAP SCREW 3/8-16 X 1
CROSS FEED BEARING BRACKET
KEY 3 X 3 X 25
PW03M
FLAT WASHER 6MM
PRP05M
PCAP14
PSB10240712
PK92M
PSB10240714A FRONT CROSS LEADSCREW NUT
736 PSB10240736 LEADSCREW NUT BRACKET
737 PSB10240737 LEFT LONGITUDINAL LEADSCREW NUT
738 PSB10240714A REAR CROSS FEED LEADSCREW NUT
712
713
714A PSB10240714A CROSS FEED LEADSCREW W/NUTS ASSY
739
740
741
742
743
744
745
746
747
748
PSB10240739 RIGHT LONGITUDINAL LEADSCREW NUT
PSB10240740 BEARING RETAINING RING
714
715
716
717
718
719
720
721
722
PSB10240714A CROSS FEED LEADSCREW
PSS01
PW07
PSB10240717
PSB10240718
PSB10240719
SET SCREW 5/16-18 X 1
FLAT WASHER 5/16
TRAVEL STOP
PSB10240741
POWER FEED ASSEMBLY
PSB10240742 BEVEL GEAR BUSHING
PSB10240743 POWER FEED BEVEL GEAR
PSB10240744 BEVEL GEAR NUT
PSB10240745 TABLE 9 X 42"
PSB10240746 LONGITUDINAL LIMIT SWITCH ASSEMBLY
TRAVEL STOP SHAFT
COMPRESSION SPRING
PSB10240720 TRAVEL STOP T-NUT
PSB10240721
PR39M
TRAVEL STOP FLAT WASHER 8MM
EXT RETAINING RING 8MM
PW02
FLAT WASHER 3/8
PCAP100
CAP SCREW 3/8-16 X 1/2
-88-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
P A R T S
One-Shot Oiler
807
806
801
801
808
803
802
K
K
804
805
Oil distributor
B
D
G
E
A
B
C
D
E
F
G
H
C
801
F
H
A
REF PART #
801 PSB10240801 ELBOW JOINT M4 X 1/8 PT
802 PSB10240802 T-JOINT
803 PSB10240803 ONE SHOT OILER ASSEMBLY
DESCRIPTION
REF PART #
805 PCAP01M
806 PSB10240806 FLEXIBLE STEEL TUBE 4 X 500MM
807 PCAP38M CAP SCREW M5-.8 X 25
808 PSB10240808 OIL DISTRIBUTOR 8-PORT
DESCRIPTION
CAP SCREW M6-1 X 16
804 PCAP02M
CAP SCREW M6-1 X 20
-89-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
P A R T S
SB1024/SB1026 Electrical Box
& Control Panel
Electrical Box
901
902
904
903
905
905
906
919
Control Panel
917
907
912
913
914
915
916
911
918
908
910
REF PART #
901 PSB10240901
DESCRIPTION
TRANSFORMER 24-440V YJ A009-0383
REF PART #
DESCRIPTION
CONTROL PANEL
911
PSB10240911
902 PSB10240902 FUSE HOLDER 30A
903 PSB10240903 FUSE 30A
904 PSB10240904 FUSE HOLDER 2-5A
905 PSB10240905 FUSE 5A
906 PSB10240906 FUSE 2A
907 PSB10240907 CONTACTOR AB C09-400 220V
908 PSB10240908 TERMINAL BAR 6-POST
912
913
914
915
916
917
918
919
PSB10240912
PSB10240913
PSB10240914
PSB10240915
POWER INDICATOR ASSEMBLY
SPINDLE START BUTTON ASSEMBLY
SPINDLE DIRECTION SWITCH ASSEMBLY
EMERGENCY STOP BUTTON ASSEMBLY
PSB10240916 SPINDLE STOP BUTTON ASSEMBLY
PSB10240917
PSB10240918
PSB10240919
CONTACTOR AB C16-01 220V
TERMINAL BAR 12-POST
RELAY OMERON MY2J 24V
910
PSB10240910
POWER RECEPTACLE 100V
-90-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
P A R T S
SB1025 Electrical Box & Control Panel
Electrical Box
902
901
904
905
906
905
Control Panel
903
907
913
916
912
915
908
914
909
911
910
REF PART #
DESCRIPTION
TRANSFORMER 24-440V YJ A009-0383
REF PART #
909 PSB10250909 TERMINAL BAR 17-POST
DESCRIPTION
901
PSB10240901
902 PSB10240902 FUSE HOLDER 30A
903 PSB10240903 FUSE 30A
904 PSB10240904 FUSE HOLDER 2-5A
905 PSB10240905 FUSE 5A
906 PSB10240906 FUSE 2A
907 PSB10240907 CONTACTOR AB C09-400 220V
908 PSB10240908 TERMINAL BAR 6-POST
910
911
PSB10240910
PSB10250911
PSB10240912
PSB10240913
PSB10250914
PSB10240915
POWER RECEPTACLE 100V
CONTROL PANEL
POWER INDICATOR ASSEMBLY
SPINDLE START BUTTON ASSEMBLY
SPINDLE DIRECTION SWITCH ASSEMBLY
EMERGENCY STOP BUTTON ASSEMBLY
912
913
914
915
916
PSB10240916 SPINDLE STOP BUTTON ASSEMBLY
-91-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
P A R T S
Accessories
1002
1003
1001
1004
1007
1005
1006
DESCRIPTION
REF PART #
REF PART #
DESCRIPTION
1001 PWR1921C
1002 PWR1214
1003 PAW1510M
1004 PSB10241004
CLOSED END WRENCH 19/21MM
WRENCH 12/14MM
HEX WRENCH SET 10PC 1.5-10 MM
TOOL BOX
1005 PSDF2
1006 PSDP2
1007 PSB10241007
FLAT SCREWDRIVER #2
PHILLIPS SCREWDRIVER #2
OIL BOTTLE
-92-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
P A R T S
SB1024 Head Machine Labels
1101
1102
1103
1106
1104
1105
REF PART #
1101 PSB10241101
1102 PSBLABEL07VL EYE INJURY HAZARD LABEL
DESCRIPTION
MACHINE ID LABEL
REF PART #
DESCRIPTION
SPEED RANGE LABEL
DOWNFEED WARNING LABEL
VARIABLE SPINDLE SPEED LABEL
1104 PSB10241104
1105 PSB10241105
1106 PSB10241106
1103 PSBLABEL01VL READ MANUAL LABEL
The safety labels provided with your machine are used to make the operator aware of the
machine hazards and ways to prevent injury. The owner of this machine MUST maintain the
original location and readability of these safety labels. If any label is removed or becomes
unreadable, REPLACE that label before using the machine again. Contact South Bend Lathe Co. at
(360) 734-1540 or www.southbendlathe.com to order new labels.
-93-
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SB1024/SB1025/SB1026
For Machines Mfg. Since 8/09
P A R T S
SB1024 Main Machine Labels
1108
1109
1107
1110
1111
1124
1112
1115
1113
1114
1116
1120
1117
1123
1122
1125
1121
1126
1118
1119
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
1107 PSBLABEL08VL ENTANGLEMENT HAZARD LABEL
1117
1118
1119
PSB10241117
PSB10241118
PSB10241119
220V 1PH LABEL
110V 1PH 5.5A LABEL
PLUG RECEPTACLE FIRE HAZARD LABEL
ELECTRICAL BOX WARNING LABEL
CONTROL PANEL LABEL
1108 SB1319
1109 PSB10241109
SOUTH BEND NAMEPLATE 90MM
SPINDLE SPEED DISPLAY LABEL
HEAD LUBRICATION LABEL
MODEL NUMBER LABEL
1110
1111
PSB10241110
PSB10241111
PSB10241112
PSB10241113
PSB10241114
PSB10241115
PSB10241116
1120 PSB10241120
1121
1122
1123 PSB10241123
1124 PSBPAINT01
1125 PSBPAINT02
1126 PSBPAINT03
PSB10241121
PSBLABEL02VL DISCONNECT POWER LABEL
1112
1113
1114
1115
1116
POWER FEED WARNING LABEL
POWER FEED RAPID FEED LABEL
POWER FEED CONTROL LABEL
POWER FEED NOTICE LABEL
110V 1PH LABEL
QUALIFIED PERSONNEL NOTICE LABEL
SB GRAY TOUCH-UP PAINT
SB LIGHT BLUE TOUCH-UP PAINT
SB DARK BLUE TOUCH-UP PAINT
-94-
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For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
P A R T S
SB1025/SB1026 Machine Labels
1108
1127
1105
1111
1107
1101
1113
1128
1115
1114
1102
1120
1112
1123
1124
1126
1122
1103
1121
1125
1118
1119
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
1101
1101
PSB10251101
PSB10261101
MACHINE ID LABEL (SB1025)
MACHINE ID LABEL (SB1026)
1115
1118
1119
PSB10241115
PSB10241118
PSB10241119
POWER FEED NOTICE LABEL
110V 1PH 5.5A LABEL
PLUG RECEPTACLE FIRE HAZARD LABEL
ELECTRICAL BOX WARNING LABEL
CONTROL PANEL LABEL
1102 PSBLABEL07VL EYE INJURY HAZARD LABEL
1103 PSBLABEL01VL READ MANUAL LABEL
1105 PSB10241105
1120 PSB10241120
1121
DOWNFEED WARNING LABEL
PSB10241121
1107 PSBLABEL08VL ENTANGLEMENT HAZARD LABEL
1122
PSBLABEL02VL DISCONNECT POWER LABEL
1108 SB1319
SOUTH BEND NAMEPLATE 90MM
MODEL NUMBER LABEL (SB1025)
MODEL NUMBER LABEL (SB1026)
POWER FEED WARNING LABEL
POWER FEED RAPID FEED LABEL
POWER FEED CONTROL LABEL
1123 PSB10241123
1124 PSBPAINT01
1125 PSBPAINT02
1126 PSBPAINT03
QUALIFIED PERSONNEL NOTICE LABEL
SB GRAY TOUCH-UP PAINT
SB LIGHT BLUE TOUCH-UP PAINT
SB DARK BLUE TOUCH-UP PAINT
SPINDLE SPEED CHART LABEL
220V 3PH LABEL
1111
PSB10251111
1111
PSB10261111
PSB10241112
PSB10241113
PSB10241114
1112
1113
1114
1127
PSB10251127
1128 PSB10251128
-95-
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W A R R A N T Y
This quality product is warranted by South Bend Lathe Company to the original buyer for one year
from the date of purchase. This warranty does not apply to consumable parts, or defects due to any
kind of misuse, abuse, negligence, accidents, repairs, alterations or lack of maintenance. We do not
reimburse for third party repairs. In no event shall we be liable for death, injuries to persons or
property, or for incidental, contingent, special or consequential damages arising from the use of our
products.
We do not warrant or represent that this machine complies with the provisions of any law, act, code,
regulation, or standard of any domestic or foreign government, industry, or authority. In no event
shall South Bend’s liability under this warranty exceed the original purchase price paid for this
machine. Any legal actions brought against South Bend Lathe Company shall be tried in the State of
Washington, County of Whatcom.
This is the sole written warranty for this machine. Any and all warranties that may be implied by
law, including any merchantability or fitness, for any purpose, are hereby limited to the duration of
this warranty. To take advantage of this warranty, contact us by mail or phone to give us the details
of the problem you are having.
Thank you for your business and continued support.
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South Bend Lathe Co.
P.O. Box 2027
Bellingham, WA 98227
PHONE: (360) 734-1540 (Administrative Offices)
FAX: (360) 676-1075 (International)
FAX: (360) 734-1639 (USA only)
southbendlathe.com
Printed In Taiwan
#JBTS12116
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