Manuals / Southbend / Power Tools / Lathe

Southbend Keyless Integral Chucks SB1379-MT #3 1⁄2 SB1380-MT #3 5⁄8, ss 7ATERPROOF DESIGN

Models: SB

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Keyless Integral Chucks

	A C C E S S O R I E S
13" Heavy 13® Gearhead Lathe	A C C E S S O R I E S	For Machines Mfg. Since 5/11

Keyless Integral Chucks

SB1379—MT #3 1⁄2"

SB1380—MT #3 5⁄8"

These keyless chucks are produced with an integral shank to maximize concentricity between the body, shank, and jaws. They start as a one-piece high-alloy body which is turned, then finish ground throughout, making them as close to zero TIR (Total Indicated Runout) as can be. Keyless chuck self-tighten, so a spanner is provided to ease tool removal.

SB1238—High Performance MT#3 Live Center

ss3HAFTS ARE MADEAOF ALLOY STEEL AND VACUUML heat-treated to HRC60°±1 for high rigidity and durability.

ss #ENTERSTUSERASCOMBINATIONAOF ROLLERBBEARINGSI thrust bearings, and ball bearings.

ss 7ATERPROOF DESIGN

Figure 95. SB1238 High Performance Live Center.

Figure 93. MT #3 Keyless Chuck.

SB1298—SBL Bench Lathe Shop Clock SB1299—SBL Toolroom Lathe Shop Clock SB1300—SBL Lathe with Man

These fine traditional shop clocks are constructed with a metal antique-finished frame. They are easy to read from a distance and measure 14"

in diameter. Pictures just don't do them justice. They are very nice quality clocks and perfect for the South Bend Lathe aficionado.

SB1298

SB1299

SB1300

Figure 94. Antique-finished South Bend shop clocks.

SB1245—MT#2 Bull Nose Center

ss #R-OSTEEL HARDENEDLTO (2# Ò
ss 4APERPROLLER BALLLBEARINGCONSTRUCTION
ss	'REATEFORTTURNINGRPIPES
	2.05"	6.14"
	2.05"	3.39"
		0.71"
	3.07"
	0.59"
	70°

Figure . SB1245 MT#2 Bull Nose Center.

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Southbend Keyless Integral Chucks SB1379-MT #3 1⁄2 SB1380-MT #3 5⁄8, SB1238-High Performance MT#3 Live Center

Contents

13 HEAVY 13 GEARHEAD LATHE MODEL SB1049 13 X MODEL SB1050 13 XOWNERS MANUAL January, 2012 by South Bend Lathe CoUpdates Customer ServiceScope of Manual Manual FeedbackTable of Contents SAFETYINTRODUCTION PREPARATIONACCESSORIES MAINTENANCESERVICE TROUBLESHOOTINGFeatures About This MachineForeword CapabilitiesGeneral Identiﬁcation Master Power Switch Controls ComponentsHeadstock 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 Safety Foot Brake TailstockEnd Gears I N T R O D U C T I O NMODEL SB1049 & SB1050 13 HEAVY 13 GEARHEAD LATHES Model NumberSB1049 SB1050I N T R O D U C T I O N Model NumberSB1049 SB1050Dimensions I N T R O D U C T I O NModel Number SB1049I N T R O D U C T I O N Model NumberSB1049 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 Power Connection Power Supply Requirements on the next page for detailsFor Cleaning & Assembly Preparation OverviewPower Supply Requirements Single-PhaseS Type, 3-Wire, 12 AWG, 300 VAC AvailabilityGrounding Requirements Extension CordsP R E P A R A T I O N GROUNDED L6-30 LOCKING RECEPTACLE Grounding Prong is Hooked L6-30Pre-Installed Not Shown UnpackingInventory Main Inventory 1 FigureCleaning & Protecting Before cleaning, gather the followingBasic steps for removing rust preventative P R E P A R A T I O NElectrical Installation Weight LoadLocation 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 Assembly Lubricating LatheBolting to Concrete Floors P R E P A R A T I O NPower Connection To connect the power cord to the latheAdding Coolant To PlugTo test run your machine Test RunP R E P A R A T I O N Feed Range Lever NeutralHigh Spindle Speedto Brake & Switch on Page 78 to make CarriageFeed Control Lever Disengaged Halfnut LeverP R E P A R A T I O N Recommended Adjustments Factory adjustments that should be veriﬁedSpindle Break-In 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 Chuck Installation To install the chuckINCORRECT O P E R A T I O NChuck Removal Registration MarksTo remove the chuck O P E R A T I O NScroll Chuck Clamping 4-Jaw ChuckMounting Workpiece O P E R A T I O NFaceplate O P E R A T I O NFigure 35. 4-jaw tightening sequence Figure 36. Example photo of non-cylindrical workpieceUsing Quill TailstockPositioning Tailstock To mount a non-concentric workpiece to the faceplateTo install tooling in the tailstock Installing ToolingO P E R A T I O N Offsetting Tailstock Removing ToolingTo offset the tailstock Tools NeededAligning Tailstock to Spindle Centerline Items NeededTo align the tailstock to the spindle centerline O P E R A T I O NDead Centers CentersO P E R A T I O N Live Centers Mounting Dead Center in SpindleRemoving Center from Spindle Mounting Center in TailstockRemoving Center from Tailstock Mounting Workpiece Between CentersO P E R A T I O N 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 Follow Rest Carriage & Slide LocksO P E R A T I O N Cap Screws Figure 55% Follow rest attachmentInstalling Tool To install a tool in the tool postCompound Rest Four-Way Tool PostAligning Cutting Tool with Spindle Centerline To align the cutting tool with the tailstockcenter Top ViewAdjustable Feed Stop Micrometer StopTo set the micrometer stop O P E R A T I O NManual Feed Spindle SpeedCarriage Handwheel Cross Slide HandwheelSetting Spindle Speed Setting Spindle Speed of 200 RPM350 RPM or lower when using the high H gearbox range Conﬁguration ExamplesPower Feed Setting Spindle Speed of 2000 RPMto HIGH 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 End Gears Standard End Gear ConﬁgurationO P E R A T I O N 18 LCS8WAlternate Conﬁguration Conﬁguring End GearsTo conﬁgure the end gears Tools NeededSetting Metric Thread Pitch of ThreadingHeadstock Threading Controls O P E R A T I O NApron Threading Controls Thread DialCross Slide DisengagedThread Dial Chart TPI Divisible ByEven TPI Not Divisible By Odd Numbered TPIChip Drawer 1⁄4 or 3⁄4 Fractional TPI27⁄8 TPI O P E R A T I O NCoolant System To use the coolant system on your latheBIOLOGICAL & POISON HAZARD O P E R A T I O NAccessories A C C E S S O R I E SSB1279-10 Pc. Precision 5-C Collet Set D1-5 Back Plates SB1397-61⁄4 SB1399-81⁄4 SB1401-101⁄2Keyless Integral Chucks SB1379-MT #3 1⁄2 SB1380-MT #3 5⁄8 SB1238-High Performance MT#3 Live Centerss 7ATERPROOF DESIGN SB1245-MT#2 Bull Nose CenterSB1365-Way Oil SB1251-Machinists Oak Tool BoxSB1282-High Performance MT#3 Live Center Set A C C E S S O R I E SMaintenance Schedule Always disconnect powerperforming maintenance M A I N T E N A N C ESouth Bend Lathe Co. Lathe Monthly Maintenance Chart Annual Serviceposal, and safety Service ItemLubrication Checking Oil LevelAdding Oil Changing OilQuick-Change Gearbox ApronDraining Oil Draining Oil & Flushing ReservoirOne-Shot Oiler Longitudinal LeadscrewM A I N T E N A N C E Drain Plug Figure 104. Location of apron drain plugBall Oilers & Oil Cup M A I N T E N A N C EA B C D EF Figure 107. Tailstock ball oilersHandling & Care LubricatingEnd Gears M A I N T E N A N C ECoolant System Service Hazardsfor proper disposal M A I N T E N A N C EAdding Fluid Changing CoolantItems Needed To change the coolantTo prepare the lathe for storage Machine StorageM A I N T E N A N C E Backlash Adjustment Compound RestCross Slide S E R V I C ELeadscrew End Play Adjustment Gib AdjustmentTo remove leadscrew end play S E R V I C ES E R V I C E Half Nut Adjustment To adjust the V-beltsTo adjust the half nut V-BeltsBrake & Switch To adjust the brake and brake switchS E R V I C E Tools NeededFigure 125. Brake belt adjustment components Figure 126. Brake pedal travel adjustmentBrake Switch Pedal Cam Figure 127. Brake switch and pedal cam S E R V I C ELeadscrew Shear Pin Replacement To replace the shear pinS E R V I C E Tools NeededShear Pin Figure 132. New shear pin installed in bore S E R V I C EInner Bore Outer Bore Figure 131. Shear pin bores aligned Rotate Washer Slot Figure 133. Shroud washer positioningGap Insert Removal & Installation Gap RemovalS E R V I C E Tools NeededGap Installation S E R V I C ESymptom Possible SolutionPossible Cause Machinerys Handbook or a speeds and feedsSymptom Possible SolutionPossible Cause PageSymptom Possible SolutionPossible Cause Workpiece isE L E C T R I C A L Electrical Safety InstructionsWIRING DIAGRAM COLOR KEY Wiring Overview Power Supply ConnectionChuck Guard Limit Switch Page Brake Pedal Micro Switch Page Page Work Lamp Page Spindle Switches PageComponent Location Index E L E C T R I C A LP age P ageElectrical Cabinet Wiring To Chuck Guard Micro Switch, PageTo Power Supply Connection, Page POWERE L E C T R I C A L Electrical BoxFigure 138. Electrical box Coolant Pump Motor Wiring Spindle MotorE L E C T R I C A L SpindleControl Panel Wiring Spindle SwitchesFigure 140. Spindle rotation switch location E L E C T R I C A LAdditional Component Wiring 220VAC L6-30 Plug as recommendedPower Connection Master Power SwitchHeadstock Cover P A R T SCAP SCREW M6-1 X TOP COVER GASKETHeadstock ControlsP A R For Machines Mfg. Since 5/11Headstock Controls Parts List P A R T SHeadstock Internal Gears P A R T SHeadstock Internal Gears Parts List COMBO GEAR ASSEMBLY 22T/76TCOMBO GEAR ASSEMBLY 30T/38T COMBO GEAR ASSEMBLY 45T/52THeadstock Transfer Gears P A R T SSTEEL FLUTED RIVET 2 X 5MM COMBO GEAR ASSY 21T/42TGearbox GearsP A R T S Gearbox Gears Parts List P A R T SNEEDLE ROLLER BEARING TAF202820 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 SApron Front View Parts List P A R T SCOMPRESSION SPRING 6 X COMPRESSION SPRING 4 XApron Rear View P A R T SApron Rear View Parts List P A R T STHRUST BEARING NTB/AS-2542 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 Saddle Bottom View P A R T SSTRAIGHT ADAPTER 1/8PT X 4MM STRAIGHT ADAPTER 1/8 X 6MMMicrometer Stop Dial IndicatorP A R T S P A R T S Bed & ShaftsSB1050 Bed & Shafts Parts List P A R T SLONGITUDINAL LEADSCREW SB1049 LONGITUDINAL LEADSCREW SB1050End Gears P A R T SGEAR FLAT WASHER 14MM GEAR FLAT WASHER 8MMMain Motor P A R T SMain Motor Parts List SIDE MOTOR ACCESS COVERP A R T S PULLEY FLAT WASHER 10MMStands & Panels P A R T SCabinets & Panels Parts List P A R T SBRAKE PEDAL ROD SB1049 BRAKE PEDAL ROD SB1050Tailstock P A R T STailstock Parts List P A R T SHANDLE CAP SCREW M8-1.25 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 Rear & Side Machine Labels P A R T SSB MODEL NUMBER LABEL SB1049 SB MODEL NUMBER LABEL SB1050Page Warranty W A R R A N T YPrinted In U.S.A #TS14496