Southbend SB1001 Manuel utilisateur

MODEL SB1001

8K™8" X 18"

VARIABLE SPEED LATHE

OWNER'S MANUAL

Customer Service

We stand behind our machines. If you have any service questions, parts requests or general questions

about your purchase, feel free to contact us.

South Bend Lathe Co.

P.O. Box 2027

Bellingham, WA 98227

Phone: (360) 734-1540

Fax: (360) 676-1075 (International)

Fax: (360) 734-1639 (USA Only)

Email: [email protected]

Updates

For your convenience, any updates to this manual will be available to download free of charge

through our website at:

www.southbendlathe.com

Scope of Manual

This manual helps the reader understand the machine, how to prepare it for operation, how to control

it during operation, and how to keep it in good working condition. We assume the reader has a basic

understanding of how to operate this type of machine, but that the reader is not familiar with the

controls and adjustments of this specific model. As with all machinery of this nature, learning the

nuances of operation is a process that happens through training and experience. If you are not an

experienced operator of this type of machinery, read through this entire manual, then learn more

from an experienced operator, schooling, or research before attempting operations. Following this

advice will help you avoid serious personal injury and get the best results from your work.

Manual Feedback

We've made every effort to be accurate when documenting this machine. However, errors sometimes

happen or the machine design changes after the documentation process—so

the manual may not

exactly match your machine.

If a difference between the manual and machine leaves you in doubt,

contact our

customer service for clarification.

We highly value customer feedback on our manuals. If you have a moment, please share your

experience using this manual. What did you like about it? Is there anything you would change to

make it better? Did it meet your expectations for clarity, professionalism, and ease-of-use?

South Bend Lathe, Inc.

/O Technical Documentation Manager

P.O. Box 2027

Bellingham, WA 98227

Email: [email protected]

Table of Contents

INTRODUCTION...............................................................3

About This Machine.............................................3

Foreword.............................................................3

8K™Lathe ...........................................................3

Identiﬁcation ........................................................4

Basic Controls & Components.............................5

Master Power Switch...........................................5

Control Panel ......................................................5

Carriage ..............................................................6

Tailstock .............................................................6

Product Speciﬁcations ......................................... 7

SAFETY................................................................................9

Understanding Risks of Machinery ....................9

Basic Machine Safety ..........................................9

Additional Metal Lathe Safety.......................... 11

Additional Chuck Safety....................................12

PREPARATION .............................................................. 13

Preparation Overview........................................ 13

Required for Setup............................................. 13

Power Supply Requirements............................. 14

Availability........................................................14

Full-Load Current Rating ..................................14

Circuit Requirements.........................................14

Grounding Requirements................................... 15

Extension Cords ................................................15

Unpacking ..........................................................16

Inventory ............................................................16

Cleaning & Protecting ....................................... 17

Location ..............................................................18

Physical Environment........................................ 18

Electrical Installation ........................................18

Lighting ............................................................18

Weight Load ......................................................18

Space Allocation ................................................18

Leveling & Mounting......................................... 19

Leveling ............................................................19

Mounting...........................................................19

Lubricating Lathe ..............................................20

Power Connection ..............................................20

Connecting Power.............................................. 20

Disconnecting Power..........................................20

Test Run .............................................................21

Spindle Break-In................................................ 23

Recommended Adjustments ..............................23

OPERATION.................................................................... 24

Operation Overview...........................................24

Chuck & Faceplate Mounting ........................... 25

Chuck Installation .............................................25

Chuck Removal ..................................................27

Scroll Chuck Clamping...................................... 27

4-Jaw Chuck.......................................................28

Mounting Workpiece..........................................28

Faceplate ............................................................29

Tailstock .............................................................30

Positioning Tailstock .........................................30

Using Quill........................................................30

Installing Tooling ..............................................30

Offsetting Tailstock ...........................................31

Aligning Tailstock to Spindle Centerline ............31

Centers ...............................................................33

Dead Centers.....................................................33

Live Centers...................................................... 33

Mounting Center in Spindle...............................34

Removing Center from Spindle...........................34

Mounting Center in Tailstock.............................34

Mounting Workpiece Between Centers ...............35

Carriage & Slide Locks......................................35

Compound Rest ..................................................36

Four-Way Tool Post ........................................... 36

Installing Tool ...................................................36

Aligning Cutting Tool with Spindle Centerline ...37

Manual Feed ......................................................38

Carriage Handwheel.......................................... 38

Cross Slide Ball Handle .....................................38

Compound Rest Ball Handle .............................. 38

Spindle Speed..................................................... 38

Determining Spindle Speed................................38

Selecting Spindle Speed Range...........................39

Selecting Spindle Speed .....................................40

Power Feed & Threading Setup........................ 40

Timing Belts & Pulleys ...................................... 40

Setting Power Feed Rate.................................... 41

Setting Threading Controls................................ 42

Thread Dial .......................................................43

Thread Dial Chart ............................................. 44

Changing Feed Direction ...................................45

ACCESSORIES.............................................................. 46

MAINTENANCE ............................................................. 48

Maintenance Schedule....................................... 48

Cleaning & Protecting ....................................... 48

Lubrication.........................................................49

Spindle Bearings ...............................................49

Feed Direction Gears .........................................50

Grease Fittings.................................................. 51

Longitudinal Leadscrew.....................................51

3-Jaw Chuck......................................................52

Bedways & Slides .............................................. 52

Machine Storage ................................................53

Leadscrew End Play Adjustment...................... 53

Gib Adjustment.................................................. 54

Saddle Gib......................................................... 54

Cross Slide & Compound Rest Gibs ....................55

Adjusting Drive Belts ........................................55

TROUBLESHOOTING................................................. 57

ELECTRICAL................................................................... 59

Electrical Safety Instructions ...........................59

Electrical Cabinet Wiring Diagram .................. 60

PARTS................................................................................ 61

Headstock...........................................................61

Bed & Timing-Belt Pulleys................................ 62

Saddle & Cross Slide .........................................64

Compound Rest & Tool Post..............................65

Apron ..................................................................66

Tailstock .............................................................67

Electrical & End Cover...................................... 68

Accessories .........................................................69

Labels .................................................................70

WARRANTY..................................................................... 73

For Machines Mfg. Since 8/11 Model SB1001 8K™Lathe

-3-

INTRODUCTION

About This Machine

Foreword

"The screw cutting engine lathe is the oldest and

most important of machine tools and from it all

other machine tools have been developed. It was

the lathe that made possible the building of the

steamboat, the locomotive, the electric motor, the

automobile and all kinds of machinery used in

industry. Without the lathe our great industrial

progress of the last century would have been

impossible." —How To Run a Lathe, 15th

Edition, South Bend Lathe.

The lathe represented in this manual is a

modern day version of the screw cutting lathes

that trace their roots back to the 1700's, which

were themselves technological improvements of

the bow lathe that can be traced back thousands

of years to the ancient Egyptians.

Now, almost 300 years later, these modern lathes

are a refined culmination of human ingenuity

and knowledge embodied into the design and

synergy of many different interworking parts—

some of which represent the life's work and

dreams of many inventors, mechanical engineers,

and world-class machinists—including the likes

of Leonardo da Vinci, Henry Maudsley, and the

founders of South Bend Lathe, John and Miles

O'Brien.

And now the torch is passed to you to carry on

the tradition. As the operator of a South Bend

Lathe, you join the ranks of some very famous

and important customers, such as Henry Ford,

who used his South Bend lathe to help him

change the world.

Thank you for being a part of the new South

Bend Lathe Co. We appreciate your business and

hope this machine serves you well for a lifetime!

8K™Lathe

Dating back to 1931, the ﬁrst South Bend 8"

Bench Lathe made it much easier for machinists

around the world to own a professional-duty

lathe of exacting precision that was built to

provide a lifetime of dependable service. In this

same tradition, we are proud to offer the SB1001

8K Variable-Speed Bench Lathe.

This lathe is especially designed for

discriminating machinists making small parts

to extremely precise tolerances (jewelers, RC

enthusiasts, watchmakers, model makers, optical

engineers, gunsmiths, etc.).

Its compact size with heavy-duty construction

and traditional South Bend “big lathe” features

also make this lathe equally valuable for close-in

precision toolroom or manufacturing operations.

The bed is constructed of hardened and ground

castings in the traditional three V-way prismatic

design—long used on South Bend Lathes for

accuracy, durability, and rigidity. Its length

allows for 18" between centers.

The headstock features a D1-3 variable-speed

spindle that operates at 50–2300 RPM. Spindle

speed changes are done very quickly and

accurately with the convenient adjustment knob

and digital display. Variable speed control allows

the operator to “dial in” the perfect cutting speed

for super-fine finishes.

The carriage has longitudinal power feeding

capabilities with 9 available feed speeds ranging

from 0.003"–0.0051"per revolution.

The South Bend 8K is capable of cutting inch or

metric threads—12 inch threads from 10–32 TPI

and 12 metric threads from 0.4–3.0mm.

Accessories include a heavy-duty tailstock, a

4-way tool post, MT#2 dead center, MT#3 dead

center, and 3-jaw scroll chuck.

8" South Bend Precision Bench Lathe (Circa 1932)

-4-

For Machines Mfg. Since 8/11

Model SB1001 8K™Lathe INTRODUCTION

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.

Control

Panel Electrical

Cabinet

4-Way

Tool Post

Three V-Way

Bed

Longitudinal

Leadscrew

Thread

Dial

Half Nut

Lever

Headstock

D1-3

Spindle

3-Jaw

Chuck

Carriage

Handwheel

Compound Rest

Ball Handle Quill

Lock Lever

Cross Slide

Ball Handle

Master Power

Switch

Quill

Ball Handle

Tailstock

End

Cover

For Machines Mfg. Since 8/11 Model SB1001 8K™Lathe

-5-

INTRODUCTION

Basic Controls &

Components

Refer to Figures 1–4 and the following

descriptions to become familiar with the features

and basic controls of this lathe. This knowledge

will be necessary to properly set up the lathe for

the test run and spindle break-in.

Master Power Switch

The switch shown in Figure 1 toggles incoming

power ON and OFF to the lathe controls.

To reduce the risk of

serious injury when using

this machine, read and

understand this entire

manual before beginning any

lathe operations.

Control Panel

Figure 1. Master power switch location.

Master

Power

Switch

A. Spindle Speed Dial: Controls the variable

spindle speed.

B. Emergency STOP Button: Cuts power to the

motor and control panel. Twist clockwise

until it pops out to reset.

C. Spindle Switch: When the master power

switch is ON, starts, stops, and reverses

spindle rotation.

D. Tachometer Display: Displays a digital

readout of the spindle speed.

Figure 2. Control panel components.

BCD

Always disconnect the lathe from power before

performing any adjustments, maintenance, or

service. Turning the master power switch to

OFF is NOT a safe alternative to completely

disconnecting the machine from power when

performing these tasks.

-6-

For Machines Mfg. Since 8/11

Model SB1001 8K™Lathe INTRODUCTION

Carriage Tailstock

E. 4-Way Tool Post: Mounts up to four cutting

tools at once that can be individually indexed

to the workpiece.

F. Compound Rest Ball Handle: Moves the tool

toward and away from the workpiece at the

preset angle of the compound rest.

G. Carriage Lock: Secures the carriage in place

when the carriage should not move.

H. Thread Dial and Chart: Dial indicates when

to engage the half nut during threading

operations. Chart indicates on which thread

dial reading to engage the half nut for

specific inch thread pitches.

I. Half Nut Lever: Engages/disengages the half

nut for threading operations.

J. Carriage Handwheel: Moves the carriage

along the bedway.

K. Cross Slide Ball Handle: Moves the cross

slide toward and away from the workpiece.

Figure 3. Carriage components.

Figure 4. Tailstock components.

L. Quill: Moves a tool or center toward or away

from the workpiece.

M. Tailstock Lock Nut: Secures the tailstock in

position along the bedway.

N. Quill Lock Lever: Secures the quill in

position.

O. Quill Ball Handle: Controls the movement of

the quill.

P. Offset Scale: Indicates the relative distance

of tailstock offset from the spindle centerline.

Q . Tailstock Offset Set Screw (1 of 2): Adjusts

the tailstock offset left or right from the

spindle centerline.

For Machines Mfg. Since 8/11 Model SB1001 8K™Lathe

-7-

INTRODUCTION

Model SB1001 Page 1 of 3

Model SB1001

8K®

, 8" x 18" Lathe

Product Dimensions

Weight............................................................................................................................................................. 268 lbs.

Width (side-to-side) x Depth (front-to-back) x Height..................................................................... 40 x 18 x 19 in.

Footprint (Length x Width)............................................................................................................. 35-1/2 x 6-1/4 in.

Shipping Dimensions

Type.......................................................................................................................................................... Wood Crate

Content.......................................................................................................................................................... Machine

Weight............................................................................................................................................................. 313 lbs.

Length x Width x Height................................................................................................................... 44 x 21 x 24 in.

Must Ship Upright................................................................................................................................................ N/A

Electrical

Power Requirement......................................................................................................... 120V, Single-Phase, 60 Hz

Prewired Voltage................................................................................................................................................ 120V

Full-Load Current Rating.................................................................................................................................... 10A

Minimum Circuit Size.......................................................................................................................................... 15A

Connection Type..................................................................................................................................... Cord & Plug

Power Cord Included............................................................................................................................................. Yes

Power Cord Length............................................................................................................................................... 5 ft.

Power Cord Gauge......................................................................................................................................... 14 AWG

Plug Included........................................................................................................................................................ Yes

Included Plug Type.............................................................................................................................................. 5-15

Switch Type................................................................................................................ ON/OFF Variable-Speed Dial

Motors

Main

Type................................................................................................................................................... Universal

Horsepower............................................................................................................................................ 1.5 HP

Amps........................................................................................................................................................... 10A

Speed................................................................................................................................................ 3600 RPM

Power Transfer ................................................................................................................................ Belt Drive

Bearings................................................................................................ Shielded & Permanently Lubricated

-8-

For Machines Mfg. Since 8/11

Model SB1001 8K™Lathe INTRODUCTION

Model SB1001 Page 2 of 3

Main Specifications

Operation Info

Swing Over Bed......................................................................................................................................... 8 in.

Distance Between Centers...................................................................................................................... 18 in.

Swing Over Cross Slide............................................................................................................................. 5 in.

Swing Over Saddle.................................................................................................................................... 5 in.

Maximum Tool Bit Size.......................................................................................................................... 5/8 in.

Compound Travel................................................................................................................................ 2-5/8 in.

Carriage Travel.................................................................................................................................. 17-5/8 in.

Cross Slide Travel................................................................................................................................ 3-1/4 in.

Headstock Info

Spindle Bore........................................................................................................................................ 1.125 in.

Spindle Taper....................................................................................................................................... MT#4.5

Number of Spindle Speeds................................................................................................................. Variable

Spindle Speeds......................................................................................................................... 50 – 2300 RPM

Spindle Type.............................................................................................................................. D1-3 Camlock

Spindle Bearings............................................................................................ High-Precision Tapered Roller

Tailstock Info

Tailstock Quill Travel.......................................................................................................................... 1-3/4 in.

Tailstock Taper........................................................................................................................................ MT#2

Tailstock Barrel Diameter................................................................................................................ 1.1875 in.

Threading Info

Number of Longitudinal Feeds....................................................................................................................... 9

Range of Longitudinal Feeds..................................................................................... 0.0030 – 0.0051 in./rev.

Number of Inch Threads............................................................................................................................... 12

Range of Inch Threads................................................................................................................... 10 – 32 TPI

Number of Metric Threads........................................................................................................................... 12

Range of Metric Threads............................................................................................................. 0.4 – 3.0 mm

Dimensions

Bed Width.................................................................................................................................................. 6 in.

Leadscrew Diameter............................................................................................................................... 5/8 in.

Leadscrew TPI......................................................................................................................................... 8 TPI

Leadscrew Length............................................................................................................................. 38-3/4 in.

Construction

Base.................................................................................................................................................... Cast Iron

Headstock.......................................................................................................................................... Cast Iron

Headstock Gears....................................................................................................................................... Steel

Bed.............................................................................................. Hardened and Precision-Ground Cast Iron

Body................................................................................................................................................... Cast Iron

Paint........................................................................................................................................................ Epoxy

Fluid Capacities

Headstock Capacity...................................................................................................................... 1 – 2 Pumps

Headstock Fluid Type........................................................... ISO 32 (eg. Grizzly T23963, Mobil DTE Light)

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