Manuals / Southbend / Power Tools / Lathe

Southbend MODEL SB1049 & SB1050 13 HEAVY 13 GEARHEAD LATHES, Model Number, Product Dimensions

Models: SB

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	I N T R O D U C T I O N
13" Heavy 13® Gearhead Lathe	I N T R O D U C T I O N	For Machines Mfg. Since 5/11

Product Speciﬁcations

P.O. Box 2027, Bellingham, WA 98227 U.S.A.

0(/.% s © South Bend Lathe Co.

www.southbendlathe.com

MODEL SB1049 & SB1050

13" HEAVY 13® GEARHEAD LATHES

Model Number

SB1049

SB1050

Product Dimensions

Weight	1870 lbs.	2205 lbs.

Width (side-to-side)/Depth	79" x 38" x 69"	90" x 38" x 69"
(front-to-back)/Height	79" x 38" x 69"	90" x 38" x 69"
(front-to-back)/Height
Foot Print (Width/Depth)	693⁄4" x 191⁄2"	803⁄4" x 191⁄2"

Shipping Dimensions

Type		Wood Slat Crate

Weight	2090 lbs.		2469 lbs.
Width (side-to-side)/Depth	79 x 38 x 69		79" x 45" x 69"
(front-to-back)/Height	79 x 38 x 69		79" x 45" x 69"
(front-to-back)/Height

Electrical

Power Requirement	220V, Single-Phase, 60Hz

Full-Load Current Rating	19.5A

Minimum Circuit Size	30A

Switch	Magnetic with Thermal Protection

Switch Voltage	220V
Plug Included	No

Recommended Plug/Outlet Type	NEMA L6-30

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Southbend MODEL SB1049 & SB1050 13 HEAVY 13 GEARHEAD LATHES, Model Number, Product Speciﬁcations, Product Dimensions

Contents

OWNERS MANUAL 13 HEAVY 13 GEARHEAD LATHEMODEL SB1049 13 X MODEL SB1050 13 X January, 2012 by South Bend Lathe CoScope of Manual UpdatesCustomer Service Manual FeedbackINTRODUCTION Table of ContentsSAFETY PREPARATIONSERVICE ACCESSORIESMAINTENANCE TROUBLESHOOTINGForeword FeaturesAbout This Machine CapabilitiesGeneral Identiﬁcation Headstock Master Power SwitchControls Components I N T R O D U C T I O NCarriage Control PanelI N T R O D U C T I O N End Gears Safety Foot BrakeTailstock I N T R O D U C T I O NSB1049 MODEL SB1049 & SB1050 13 HEAVY 13 GEARHEAD LATHESModel Number SB1050SB1049 I N T R O D U C T I O NModel Number SB1050Model Number DimensionsI N T R O D U C T I O N SB1049SB1049 I N T R O D U C T I O NModel Number SB1050Understanding Risks of Machinery Basic Machine SafetyS A F E T Y S A F E T Y Additional Metal Lathe Safety S A F E T YAdditional Chuck Safety S A F E T YFor Cleaning & Assembly For Power ConnectionPower Supply Requirements on the next page for details Preparation OverviewS Type, 3-Wire, 12 AWG, 300 VAC Power Supply RequirementsSingle-Phase AvailabilityP R E P A R A T I O N Grounding RequirementsExtension Cords GROUNDED L6-30 LOCKING RECEPTACLE Grounding Prong is Hooked L6-30Inventory Pre-Installed Not ShownUnpacking Main Inventory 1 FigureBasic steps for removing rust preventative Cleaning & ProtectingBefore cleaning, gather the following P R E P A R A T I O NLocation Electrical InstallationWeight Load Physical EnvironmentTo lift and move the lathe Lifting & MovingP R E P A R A T I O N Leveling Leveling & MountingP R E P A R A T I O N Bolting to Concrete Floors AssemblyLubricating Lathe P R E P A R A T I O NAdding Coolant Power ConnectionTo connect the power cord to the lathe To PlugTo test run your machine Test RunP R E P A R A T I O N High Feed Range LeverNeutral Spindle SpeedFeed Control Lever to Brake & Switch on Page 78 to makeCarriage Disengaged Halfnut LeverP R E P A R A T I O N Spindle Break-In Recommended AdjustmentsFactory adjustments that should be veriﬁed To perform the spindle break-inO P E R A T I O N Operation OverviewTo complete a typical operation, the operator does the following Chuck & Faceplate Mounting Installation & Removal DevicesO P E R A T I O N INCORRECT Chuck InstallationTo install the chuck O P E R A T I O NTo remove the chuck Chuck RemovalRegistration Marks O P E R A T I O NMounting Workpiece Scroll Chuck Clamping4-Jaw Chuck O P E R A T I O NFigure 35. 4-jaw tightening sequence FaceplateO P E R A T I O N Figure 36. Example photo of non-cylindrical workpiecePositioning Tailstock Using QuillTailstock To mount a non-concentric workpiece to the faceplateTo install tooling in the tailstock Installing ToolingO P E R A T I O N To offset the tailstock Offsetting TailstockRemoving Tooling Tools NeededTo align the tailstock to the spindle centerline Aligning Tailstock to Spindle CenterlineItems Needed O P E R A T I O NDead Centers CentersO P E R A T I O N Removing Center from Spindle Live CentersMounting Dead Center in Spindle Mounting Center in TailstockO P E R A T I O N Removing Center from TailstockMounting Workpiece Between Centers Drift Key Slot Figure 51. Drift key slot in the side of the quillSteady Rest To install and use the steady restO P E R A T I O N O P E R A T I O N Follow RestCarriage & Slide Locks Cap Screws Figure 55% Follow rest attachmentCompound Rest Installing ToolTo install a tool in the tool post Four-Way Tool Postcenter Aligning Cutting Tool with Spindle CenterlineTo align the cutting tool with the tailstock Top ViewTo set the micrometer stop Adjustable Feed StopMicrometer Stop O P E R A T I O NCarriage Handwheel Manual FeedSpindle Speed Cross Slide Handwheel350 RPM or lower when using the high H gearbox range Setting Spindle SpeedSetting Spindle Speed of 200 RPM Conﬁguration Examplesto HIGH Power FeedSetting Spindle Speed of 2000 RPM 2000 RPMD. Quick-change Gearbox Feed Levers Power Feed ControlsO P E R A T I O N Setting Power Feed Rate of 0.18mm/rev Setting Power Feed RateO P E R A T I O N O P E R A T I O N End GearsStandard End Gear Conﬁguration 18 LCS8WTo conﬁgure the end gears Alternate ConﬁgurationConﬁguring End Gears Tools NeededHeadstock Threading Controls Setting Metric Thread Pitch ofThreading O P E R A T I O NCross Slide Apron Threading ControlsThread Dial DisengagedEven TPI Not Divisible By Thread Dial ChartTPI Divisible By Odd Numbered TPI27⁄8 TPI Chip Drawer1⁄4 or 3⁄4 Fractional TPI O P E R A T I O NBIOLOGICAL & POISON HAZARD Coolant SystemTo use the coolant system on your lathe O P E R A T I O NSB1279-10 Pc. Precision 5-C Collet Set AccessoriesA C C E S S O R I E S D1-5 Back Plates SB1397-61⁄4 SB1399-81⁄4 SB1401-101⁄2ss 7ATERPROOF DESIGN Keyless Integral Chucks SB1379-MT #3 1⁄2 SB1380-MT #3 5⁄8SB1238-High Performance MT#3 Live Center SB1245-MT#2 Bull Nose CenterSB1282-High Performance MT#3 Live Center Set SB1365-Way OilSB1251-Machinists Oak Tool Box A C C E S S O R I E Sperforming maintenance Maintenance ScheduleAlways disconnect power M A I N T E N A N C Eposal, and safety South Bend Lathe Co. Lathe Monthly Maintenance ChartAnnual Service Service ItemAdding Oil LubricationChecking Oil Level Changing OilDraining Oil Quick-Change GearboxApron Draining Oil & Flushing ReservoirM A I N T E N A N C E One-Shot OilerLongitudinal Leadscrew Drain Plug Figure 104. Location of apron drain plugA B C D Ball Oilers & Oil CupM A I N T E N A N C E EF Figure 107. Tailstock ball oilersEnd Gears Handling & CareLubricating M A I N T E N A N C Efor proper disposal Coolant System ServiceHazards M A I N T E N A N C EItems Needed Adding FluidChanging Coolant To change the coolantTo prepare the lathe for storage Machine StorageM A I N T E N A N C E Cross Slide Backlash AdjustmentCompound Rest S E R V I C ETo remove leadscrew end play Leadscrew End Play AdjustmentGib Adjustment S E R V I C ES E R V I C E To adjust the half nut Half Nut AdjustmentTo adjust the V-belts V-BeltsS E R V I C E Brake & SwitchTo adjust the brake and brake switch Tools NeededBrake Switch Pedal Cam Figure 127. Brake switch and pedal cam Figure 125. Brake belt adjustment componentsFigure 126. Brake pedal travel adjustment S E R V I C ES E R V I C E Leadscrew Shear Pin ReplacementTo replace the shear pin Tools NeededInner Bore Outer Bore Figure 131. Shear pin bores aligned Shear Pin Figure 132. New shear pin installed in boreS E R V I C E Rotate Washer Slot Figure 133. Shroud washer positioningS E R V I C E Gap Insert Removal & InstallationGap Removal Tools NeededGap Installation S E R V I C EPossible Cause SymptomPossible Solution Machinerys Handbook or a speeds and feedsPossible Cause SymptomPossible Solution PagePossible Cause SymptomPossible Solution Workpiece isE L E C T R I C A L Electrical Safety InstructionsWIRING DIAGRAM COLOR KEY Chuck Guard Limit Switch Page Brake Pedal Micro Switch Page Wiring OverviewPower Supply Connection Page Work Lamp Page Spindle Switches PageP age Component Location IndexE L E C T R I C A L P ageTo Power Supply Connection, Page Electrical Cabinet WiringTo Chuck Guard Micro Switch, Page POWERE L E C T R I C A L Electrical BoxFigure 138. Electrical box E L E C T R I C A L Coolant Pump Motor WiringSpindle Motor SpindleFigure 140. Spindle rotation switch location Control Panel WiringSpindle Switches E L E C T R I C A LPower Connection Additional Component Wiring220VAC L6-30 Plug as recommended Master Power SwitchCAP SCREW M6-1 X Headstock CoverP A R T S TOP COVER GASKETP A R HeadstockControls For Machines Mfg. Since 5/11Headstock Controls Parts List P A R T SHeadstock Internal Gears P A R T SCOMBO GEAR ASSEMBLY 30T/38T Headstock Internal Gears Parts ListCOMBO GEAR ASSEMBLY 22T/76T COMBO GEAR ASSEMBLY 45T/52TSTEEL FLUTED RIVET 2 X 5MM Headstock Transfer GearsP A R T S COMBO GEAR ASSY 21T/42TGearbox GearsP A R T S NEEDLE ROLLER BEARING TAF202820 Gearbox Gears Parts ListP A R T S EXT RETAINING RING 22MMGearbox Controls R T SP A R T S Gearbox Controls Parts ListLOWER MIDDLE PARTITION SUPPORT Apron Front View P A R T SCOMPRESSION SPRING 6 X Apron Front View Parts ListP A R T S COMPRESSION SPRING 4 XApron Rear View P A R T STHRUST BEARING NTB/AS-2542 Apron Rear View Parts ListP A R T S NEEDLE ROLLER BEARING NK29/30Compound Rest & Tool Post P A R T SSaddle Top View P A R T SP A R T S Saddle Top View Parts ListTHRUST BEARING NTB/AS2-1730 STRAIGHT ADAPTER 1/8PT X 4MM Saddle Bottom ViewP A R T S STRAIGHT ADAPTER 1/8 X 6MMMicrometer Stop Dial IndicatorP A R T S P A R T S Bed & ShaftsSB1050 LONGITUDINAL LEADSCREW SB1049 Bed & Shafts Parts ListP A R T S LONGITUDINAL LEADSCREW SB1050GEAR FLAT WASHER 14MM End GearsP A R T S GEAR FLAT WASHER 8MMMain Motor P A R T SP A R T S Main Motor Parts ListSIDE MOTOR ACCESS COVER PULLEY FLAT WASHER 10MMStands & Panels P A R T SBRAKE PEDAL ROD SB1049 Cabinets & Panels Parts ListP A R T S BRAKE PEDAL ROD SB1050Tailstock P A R T SHANDLE CAP SCREW M8-1.25 Tailstock Parts ListP A R T S LOCK SHAFT FLAT WASHER 12MMFollow Rest Steady RestP A R T S P A R T S Electrical Cabinet & Control PanelElectrical Cabinet P A R T S Accessories1551 P A R T S Front Machine Labels1611 SB MODEL NUMBER LABEL SB1049 Rear & Side Machine LabelsP A R T S SB MODEL NUMBER LABEL SB1050Page Warranty W A R R A N T YPrinted In U.S.A #TS14496