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SB owner manual Printed In U.S.A, #TS14496
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Troubleshooting
Install
Parts list
Thread Dial Chart
Leadscrew Shear Pin Replacement
Warranty
Dimension
Maintenance
S Type, 3-Wire, 12 AWG, 300 VAC
Symptom
Page 132
Image 132
Printed In U.S.A.
#TS14496
Page 131
Page 132
Image 132
Page 131
Contents
13 HEAVY 13 GEARHEAD LATHE
MODEL SB1049 13 X MODEL SB1050 13 X
OWNERS MANUAL
January, 2012 by South Bend Lathe Co
Updates
Customer Service
Scope of Manual
Manual Feedback
Table of Contents
SAFETY
INTRODUCTION
PREPARATION
ACCESSORIES
MAINTENANCE
SERVICE
TROUBLESHOOTING
Features
About This Machine
Foreword
Capabilities
General Identification
Master Power Switch
Controls Components
Headstock
I N T R O D U C T I O N
Control Panel
Carriage
I N T R O D U C T I O N
Safety Foot Brake
Tailstock
End Gears
I N T R O D U C T I O N
MODEL SB1049 & SB1050 13 HEAVY 13 GEARHEAD LATHES
Model Number
SB1049
SB1050
I N T R O D U C T I O N
Model Number
SB1049
SB1050
Dimensions
I N T R O D U C T I O N
Model Number
SB1049
I N T R O D U C T I O N
Model Number
SB1049
SB1050
Basic Machine Safety
Understanding Risks of Machinery
S A F E T Y
S A F E T Y
Additional Metal Lathe Safety
S A F E T Y
Additional Chuck Safety
S A F E T Y
For Power Connection
Power Supply Requirements on the next page for details
For Cleaning & Assembly
Preparation Overview
Power Supply Requirements
Single-Phase
S Type, 3-Wire, 12 AWG, 300 VAC
Availability
Grounding Requirements
Extension Cords
P R E P A R A T I O N
GROUNDED L6-30 LOCKING RECEPTACLE Grounding Prong is Hooked L6-30
Pre-Installed Not Shown
Unpacking
Inventory
Main Inventory 1 Figure
Cleaning & Protecting
Before cleaning, gather the following
Basic steps for removing rust preventative
P R E P A R A T I O N
Electrical Installation
Weight Load
Location
Physical Environment
Lifting & Moving
To lift and move the lathe
P R E P A R A T I O N
Leveling & Mounting
Leveling
P R E P A R A T I O N
Assembly
Lubricating Lathe
Bolting to Concrete Floors
P R E P A R A T I O N
Power Connection
To connect the power cord to the lathe
Adding Coolant
To Plug
Test Run
To test run your machine
P R E P A R A T I O N
Feed Range Lever
Neutral
High
Spindle Speed
to Brake & Switch on Page 78 to make
Carriage
Feed Control Lever
Disengaged Halfnut Lever
P R E P A R A T I O N
Recommended Adjustments
Factory adjustments that should be verified
Spindle Break-In
To perform the spindle break-in
Operation Overview
O P E R A T I O N
To complete a typical operation, the operator does the following
Installation & Removal Devices
Chuck & Faceplate Mounting
O P E R A T I O N
Chuck Installation
To install the chuck
INCORRECT
O P E R A T I O N
Chuck Removal
Registration Marks
To remove the chuck
O P E R A T I O N
Scroll Chuck Clamping
4-Jaw Chuck
Mounting Workpiece
O P E R A T I O N
Faceplate
O P E R A T I O N
Figure 35. 4-jaw tightening sequence
Figure 36. Example photo of non-cylindrical workpiece
Using Quill
Tailstock
Positioning Tailstock
To mount a non-concentric workpiece to the faceplate
Installing Tooling
To install tooling in the tailstock
O P E R A T I O N
Offsetting Tailstock
Removing Tooling
To offset the tailstock
Tools Needed
Aligning Tailstock to Spindle Centerline
Items Needed
To align the tailstock to the spindle centerline
O P E R A T I O N
Centers
Dead Centers
O P E R A T I O N
Live Centers
Mounting Dead Center in Spindle
Removing Center from Spindle
Mounting Center in Tailstock
Removing Center from Tailstock
Mounting Workpiece Between Centers
O P E R A T I O N
Drift Key Slot Figure 51. Drift key slot in the side of the quill
To install and use the steady rest
Steady Rest
O P E R A T I O N
Follow Rest
Carriage & Slide Locks
O P E R A T I O N
Cap Screws Figure 55% Follow rest attachment
Installing Tool
To install a tool in the tool post
Compound Rest
Four-Way Tool Post
Aligning Cutting Tool with Spindle Centerline
To align the cutting tool with the tailstock
center
Top View
Adjustable Feed Stop
Micrometer Stop
To set the micrometer stop
O P E R A T I O N
Manual Feed
Spindle Speed
Carriage Handwheel
Cross Slide Handwheel
Setting Spindle Speed
Setting Spindle Speed of 200 RPM
350 RPM or lower when using the high H gearbox range
Configuration Examples
Power Feed
Setting Spindle Speed of 2000 RPM
to HIGH
2000 RPM
Power Feed Controls
D. Quick-change Gearbox Feed Levers
O P E R A T I O N
Setting Power Feed Rate
Setting Power Feed Rate of 0.18mm/rev
O P E R A T I O N
End Gears
Standard End Gear Configuration
O P E R A T I O N
18 LCS8W
Alternate Configuration
Configuring End Gears
To configure the end gears
Tools Needed
Setting Metric Thread Pitch of
Threading
Headstock Threading Controls
O P E R A T I O N
Apron Threading Controls
Thread Dial
Cross Slide
Disengaged
Thread Dial Chart
TPI Divisible By
Even TPI Not Divisible By
Odd Numbered TPI
Chip Drawer
1⁄4 or 3⁄4 Fractional TPI
27⁄8 TPI
O P E R A T I O N
Coolant System
To use the coolant system on your lathe
BIOLOGICAL & POISON HAZARD
O P E R A T I O N
Accessories
A C C E S S O R I E S
SB1279-10 Pc. Precision 5-C Collet Set
D1-5 Back Plates SB1397-61⁄4 SB1399-81⁄4 SB1401-101⁄2
Keyless Integral Chucks SB1379-MT #3 1⁄2 SB1380-MT #3 5⁄8
SB1238-High Performance MT#3 Live Center
ss 7ATERPROOF DESIGN
SB1245-MT#2 Bull Nose Center
SB1365-Way Oil
SB1251-Machinists Oak Tool Box
SB1282-High Performance MT#3 Live Center Set
A C C E S S O R I E S
Maintenance Schedule
Always disconnect power
performing maintenance
M A I N T E N A N C E
South Bend Lathe Co. Lathe Monthly Maintenance Chart
Annual Service
posal, and safety
Service Item
Lubrication
Checking Oil Level
Adding Oil
Changing Oil
Quick-Change Gearbox
Apron
Draining Oil
Draining Oil & Flushing Reservoir
One-Shot Oiler
Longitudinal Leadscrew
M A I N T E N A N C E
Drain Plug Figure 104. Location of apron drain plug
Ball Oilers & Oil Cup
M A I N T E N A N C E
A B C D
EF Figure 107. Tailstock ball oilers
Handling & Care
Lubricating
End Gears
M A I N T E N A N C E
Coolant System Service
Hazards
for proper disposal
M A I N T E N A N C E
Adding Fluid
Changing Coolant
Items Needed
To change the coolant
Machine Storage
To prepare the lathe for storage
M A I N T E N A N C E
Backlash Adjustment
Compound Rest
Cross Slide
S E R V I C E
Leadscrew End Play Adjustment
Gib Adjustment
To remove leadscrew end play
S E R V I C E
S E R V I C E
Half Nut Adjustment
To adjust the V-belts
To adjust the half nut
V-Belts
Brake & Switch
To adjust the brake and brake switch
S E R V I C E
Tools Needed
Figure 125. Brake belt adjustment components
Figure 126. Brake pedal travel adjustment
Brake Switch Pedal Cam Figure 127. Brake switch and pedal cam
S E R V I C E
Leadscrew Shear Pin Replacement
To replace the shear pin
S E R V I C E
Tools Needed
Shear Pin Figure 132. New shear pin installed in bore
S E R V I C E
Inner Bore Outer Bore Figure 131. Shear pin bores aligned
Rotate Washer Slot Figure 133. Shroud washer positioning
Gap Insert Removal & Installation
Gap Removal
S E R V I C E
Tools Needed
Gap Installation
S E R V I C E
Symptom
Possible Solution
Possible Cause
Machinerys Handbook or a speeds and feeds
Symptom
Possible Solution
Possible Cause
Page
Symptom
Possible Solution
Possible Cause
Workpiece is
Electrical Safety Instructions
E L E C T R I C A L
WIRING DIAGRAM COLOR KEY
Wiring Overview
Power Supply Connection
Chuck Guard Limit Switch Page Brake Pedal Micro Switch Page
Page Work Lamp Page Spindle Switches Page
Component Location Index
E L E C T R I C A L
P age
P age
Electrical Cabinet Wiring
To Chuck Guard Micro Switch, Page
To Power Supply Connection, Page
POWER
Electrical Box
E L E C T R I C A L
Figure 138. Electrical box
Coolant Pump Motor Wiring
Spindle Motor
E L E C T R I C A L
Spindle
Control Panel Wiring
Spindle Switches
Figure 140. Spindle rotation switch location
E L E C T R I C A L
Additional Component Wiring
220VAC L6-30 Plug as recommended
Power Connection
Master Power Switch
Headstock Cover
P A R T S
CAP SCREW M6-1 X
TOP COVER GASKET
Headstock
Controls
P A R
For Machines Mfg. Since 5/11
Headstock Controls Parts List
P A R T S
Headstock Internal Gears
P A R T S
Headstock Internal Gears Parts List
COMBO GEAR ASSEMBLY 22T/76T
COMBO GEAR ASSEMBLY 30T/38T
COMBO GEAR ASSEMBLY 45T/52T
Headstock Transfer Gears
P A R T S
STEEL FLUTED RIVET 2 X 5MM
COMBO GEAR ASSY 21T/42T
Gears
Gearbox
P A R T S
Gearbox Gears Parts List
P A R T S
NEEDLE ROLLER BEARING TAF202820
EXT RETAINING RING 22MM
Gearbox Controls
R T S
Gearbox Controls Parts List
P A R T S
LOWER MIDDLE PARTITION SUPPORT
Apron Front View
P A R T S
Apron Front View Parts List
P A R T S
COMPRESSION SPRING 6 X
COMPRESSION SPRING 4 X
Apron Rear View
P A R T S
Apron Rear View Parts List
P A R T S
THRUST BEARING NTB/AS-2542
NEEDLE ROLLER BEARING NK29/30
Compound Rest & Tool Post
P A R T S
Saddle Top View
P A R T S
Saddle Top View Parts List
P A R T S
THRUST BEARING NTB/AS2-1730
Saddle Bottom View
P A R T S
STRAIGHT ADAPTER 1/8PT X 4MM
STRAIGHT ADAPTER 1/8 X 6MM
Dial Indicator
Micrometer Stop
P A R T S
Bed & Shafts
P A R T S
SB1050
Bed & Shafts Parts List
P A R T S
LONGITUDINAL LEADSCREW SB1049
LONGITUDINAL LEADSCREW SB1050
End Gears
P A R T S
GEAR FLAT WASHER 14MM
GEAR FLAT WASHER 8MM
Main Motor
P A R T S
Main Motor Parts List
SIDE MOTOR ACCESS COVER
P A R T S
PULLEY FLAT WASHER 10MM
Stands & Panels
P A R T S
Cabinets & Panels Parts List
P A R T S
BRAKE PEDAL ROD SB1049
BRAKE PEDAL ROD SB1050
Tailstock
P A R T S
Tailstock Parts List
P A R T S
HANDLE CAP SCREW M8-1.25
LOCK SHAFT FLAT WASHER 12MM
Steady Rest
Follow Rest
P A R T S
Electrical Cabinet & Control Panel
P A R T S
Electrical Cabinet
Accessories
P A R T S
1551
Front Machine Labels
P A R T S
1611
Rear & Side Machine Labels
P A R T S
SB MODEL NUMBER LABEL SB1049
SB MODEL NUMBER LABEL SB1050
Page
Warranty
W A R R A N T Y
Printed In U.S.A
#TS14496