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