Home

Southbend SB1046PF Lathe User Manual

1. 25 About This 9 Lubricating 25 Foreword 3 Adding Coolants 26 Capabilities ene erc ete ree de 9 Power 26 Eeat res oec eect ae 9 Rt 28 General 01 4 Spindle 32 Controls amp 156 5 Recommended 32 9 OPERATION 33 2 M MM M Operation Overview eese 33 n die 2 6 Chuck amp Faceplate Mounting 34 ani T Inst llation amp Removal Devices ss 34 s c opo dM A MU Chuck Installation eie te 35 Quick Change add Registration 36 Pentre E 1 Chuck 36 Tailstoc dM Hox uU I M 8 Scroll Chuck Clamping te 37 Foot Brake eere eerte nennen 8 mc ann 37 SB1053 Machine Specifications 9 Mounting 37 SB1054F Machine Specifications 9 Faceplate 38 SB105
2. Spindle Motor Nf Overload Relay SB1053 O L Relay 9 Amp Range __ 220V for SB1053 Only Spindle Pump L1 440V for SB1054F amp Motor Circuit SB1055F iue 1 SB1053 TIME 0 220 380 400 415 440 DELAY TRANSFORMER D25 25A FUSE s 5 Suenn Liang 3 4A 250 SP TBSW 4 Ea D20 20A e 24 0 220 Transformer Q FAST ACTING FUSE 500MA 250V To Motor To Coolant To End Gear Brake To Control To Spindle Switch Pump Motor Cover Safety Pedal Safety Panel ON OFF m Page 96 Page 95 Switch Page Switch Page 97 Switches 98 98 97 Power Connection Page 98 South Bend Lathe Co 93 16 Speed Gearhead Lathe For Machines Mfg Since 3 11 Electrical Box y Spindle Motor Contactors amp Overload Relay Pump Motor Contactors amp Overload Relay Transformer Transformer Circuit Breaker Spindle Pu
3. REF PART DESCRIPTION REF PART DESCRIPTION 201 PSB10530201 SHAFT 247 PSB10530247 GEAR 33T 208 75810550205 249 204 9 10550204 250 10550250 _ 20 36T 205 25 206 0 9 252 PSB10530252 FLANGED BEARING 207 09 255 PSB10530253 OIL SEAL 20 X 32 X5MM 208 5 10550208 19 20 254 10550254 GEAR SHAFT 209 5 10550209 255 PSB10530255 FLANGED BEARING 004 257 51052027 212 5610550212 THRUST WASHER 258 PKIBM kEY5x5x35 25 7551053025 259 214 PSB10530214 THRUST WASHER 260 EXT RETAINING RING 12MM 215 PRIM 201 550261 FLANGED BEARING me 055026 262 0910590202 27__ 7581053027 262 761053023 218 0550218 264 PSB10530264 SHIFT PLATE 755105302 265 220 0520220 266 0 2020 221 P16004 BALL BEARING 16004 267 _ 5 STEEL BALL 1 4 222 9 10550222 38T 268 5 10550268 225 F5B10550225 269 5 10550269 MIDDLE SHIFT SUPPORT 224 PSB10530224 270 LOWER MIDDLE SHIFT SUPPORT 225 PR23M INT RETAINING RING 40MM 271 25810550271 LOWER SHIFT SUPPORT 227 0 20227 273 0520272 228 10550228 THRUST WASHER 274 SHOULDER PLATE 229 PRO6M EXT RETAINING KING 16MM 275 PSB10530275 INDENTED CONNECTING PLATE 25 277 232 5810550252 278 6 10550278 LOWER MIDDLE SHIFT FORK 225 279 254 PSBI0530234
4. 108 South Bend Lathe Co For Machines Mfg Since 3 11 5 16 Speed Gearhead Lathe Apron 1 South Bend Lathe Co 109 16 Speed Gearhead Lathe 3 5 For Machines Mfg Since 3 11 Apron 2 110 South Bend Lathe Co For Machines Mfg Since 3 11 16 Speed Gearhead Lathe Apron Parts List REF PART DESCRIPTION REF PART DESCRIPTION 401 PSB10530401 GEAR 18 60T 449 PSB10530449 CARRIAGE STOP PLATE 408 052049 404 PSB10530404 GEAR 81 GOT 452 PSB10530452 THRUST BEARING NTB AS 2542 405 0550405 DOWEL 4 x 17 455 _ PSB10530453 APRON HOUSING 406 PSBI0530406 454 PSBI0530454 BEARING NK29 20 407 PSB10530407 455 5 10550455 THRUST WASHER 408 PSB10530408 HOUSING PLUG 456 PRIM EXT RETAINING RING 25MM 409 _ P5610500409 _ GEAR HOUSING 256 410 PSB10530410 459 ROLL FIN 5 X 22 4 PSB10530411 461 10550461 GEAR18T 2 PSB10530412 NUT LEVER 462 PSBI0530462 4 4 PNON 468 414 PSTBOOT STEEL BALL 1 4 465 PSB10530289 46 75510550295 466 _ POBIO550466 407 258105067 aT rev 466 75510550465 418 PSBIO5Z0418 469 PSBI0530469_ FEED DIRECTION LEVER HUB 49 PRPIOM 470 _ P
5. 121 SHE 124 Thread 126 Micrometer 5 0 126 Steady Rest ie e ERERUIRSRISIbhEeitan 127 Follow Rest eene 127 Electrical 198 Accessories 2 129 Front Machine 1 130 Rear amp Side Machine Labels 131 WARRANTY 132 For Machines Mfg Since 3 11 INTRODUCTION 16 Speed Gearhead Lathe 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 screw cutting lathes are not just a piece of refined machinery but a culmination of human ingenuity and knowledge embodied into the design and synergy of thousands of interworking parts some of whic
6. L15 30 Switch dei tiere etse e rre ace Control Panel w Magnetic Switch Protection Recommended Phase Converter idee E tette H3741 Motors Main ME TEFC Induction lali C 7 5 HP 3 Phase AMPS ec aS cis 18A 20A Speed 875 1725 RPM Power Transfer eae ret V Belt Drive I Cpu mE I i Shielded amp Permanently Lubricated dal TEFC Induction Class F Horsepower H 1 8 3 Phase AT DS m 0 3A sh 3450 RPM Power Transfer RH ROTER ER i Direct Drive Bearing PII Shielded amp Permanently Lubricated South Bend Lathe Co Mfd Since 12 13 INSERT Model SB1053F Main Specifications Operation Info Swing Over Bed ote d e her va 14 17 in Distance Between Centers sies esee eene enne EEA ENE enne nennen 40 in Max Weight Between Centers
7. MASTER POWER SWITCH 9990 Swap any two of these wires L1 Figure 148 Swapping L1 and L2 power connections to correct out of phase wiring 90 South Bend Lathe Co For Machines Mfg Since 3 11 16 Speed Gearhead Lathe Wiring Overview Power Supply Connection Page 98 Electrical 93 Work Lamp Page 98 Chuck Guard Safety Switch Page 98 a Spindle ON OFF Brake Pedal Safety Switch Switch Page 98 4 97 Coolant End Gear Cover 4 Pump Motor Safety Switch Page 95 Page 98 0 Control Panel Page 97 E UN Spindle Motor Page 95 I Digital Readout Unit See Unit Manufacturer s Owner s Manual South Bend Lathe Co 91 16 Speed Gearhead Lathe E T3 il R CA For Machines Mfg Since 3 11 Component Location Index Work Lamp Electrical Page 98 Box Page 93 i X Master Power ies Page 93 Coolant Pump Motor Page 95 Spindle Motor Page 95 Digital Readout Unit See Unit Manufacturer s Owner s Manual Page 97 End Gear Cover Safety Switch Page 98 Chuck Guard Safety Contr
8. South Bend Lathe Co 99 For Machines Mfg Since 3 11 16 Speed Gearhead Lathe Headstock 2 South Bend Lathe Co 100 16 Speed Gearhead Lathe For Machines Mfg Since 3 11 Headstock 3 101 South Bend Lathe Co 16 Speed Gearhead Lathe For Machines Mfg Since 3 11 Headstock 4 102 South Bend Lathe Co For Machines Mfg Since 3 11 Headstock Parts List REF Ble s s s e x e s 2 s e SD W BIS _ 3m o 9 Q o o o o m m m m ml m m m 5 y 3 DID Q A ivy 9 D A Oo N Q OIA ES PSB10530001 194 5610550005 5 10550004 5 10550005 PSB10530007 PSB10530008 P5530M 561053500 561053500 561053500 561053500 PSTBOOIM 16 05500 AJAJ gt 3 79 o C 5 105500 PSB10530021 V SIS lt 0550025 942 IE Pa o Oo 0550026 0550027 053002 0550050 0550051 0550052 0550055 0550054 10550056 PECOI5M 9 lt vi 3 Q ivy 3 Q ivy 9 Q vy y Q vy 0550059 164 1 10550042 5 10550045 5
9. eene eene nnne 1 To offset the tailstock 1 Loosen the hex bolts underneath both ends of the tailstock to release the clamping pressure between the top and bottom castings see Figure 51 Figure 51 Tailstock offset controls wd Adjustment Lathe Co 87 16 Speed Gearhead Lathe OPERATION For Machines Mfg Since 3 11 2 Rotate the adjustment cap screws in opposite directions for the desired offset see the illustration in Figure 50 3 Retighten the clamping hex bolts underneath the tailstock to secure the offset Aligning Tailstock to Spindle Centerline This is an essential adjustment that should be verified or performed each time the tailstock is used to turn concentric workpieces between centers or immediately after offsetting the tailstock when turning a taper If the tailstock is not aligned with the spindle centerline when it is supposed to be turning results will be inaccurate along the length of the workpiece Items Needed Oty Hex Wrench 6mm 42 1 Wrench ITMI tee treten 1 Round Stock 2 x 6 esses 2 Precision Level eese 1 To align the tailstock offset to the spindle centerline 1 Use the precision level to make sure the bedway is level from side to side and from front to back If the bedway is not level correct this condition before continuing with this procedure refer to Leveling amp Mounting on Page 24 2 Cente
10. e 1202 70 4 Micrometer Stop F 1504 t LA D e 1505 1509 BD N 1505 1203 1310 Ps 1506 lt 28 1210 C j e so 1511 m I 1507 1512 Do oe E 121 eee REF PART DESCRIPTION 500 PSB10531300 MICROMETER STOP ASSEMBLY SCREW M10 1 5 X GO STEEL FLUTED RIVET 2 X 5MM REF PART DESCRIPTION CROMETER DIAL 200 PSB10531200 _ THREAD DIAL ASSEMBLY CROMETER DIAL BODY 201 MICROMETER ROD 222 0551507 204 205 206 5 207 M 208 DIAL GEARTON 209 CAP SCREW M6 1 X 10 210 STEEL FLUTED RIVET 2 X 5MM 26 South Bend Lathe Co For Machines Mfg Since 3 11 16 Speed Gearhead Lathe Steady Rest 1400 PART PSB10531400 FINGER ADJ DESCRIPTION STEADY REST ASSEMBLY FINGER ADJUSTMENT KNOB ROLL FIN 4 X 4 SPACER USTMENT BOLT n Jaawescw STUD FT M12 1 75 X 75 CLAMF PLATE REF 500 501 502 505 504 505 506 507 506 PS B B B B B 053 055 055 055 055 1502 500 405 504 505 505 Follow Rest 1501 DESCRIPTI
11. Figure 154 Control panel location Control Panel Switches Figure 154 93 CUTTING FLUID PUMP SWITCH EMERGENCY STOP Headstock BUTTON Casting Spindle ON OFF Switches To Electrical Box Page 93 Spindle ON COMMON OFF Switches NO COMMON Q Spindle ON OFF Switches gt Figure 155 Figure 155 Spindle ON OFF switches South Bend Lathe Co 97 16 Speed Gearhead Lathe For Machines Mfg Since 3 11 Power Connection lt Inside Electrical S 7N SS Box Page 96 MASTER POWER SWITCH Vi DISCONNECT SWITCH as recommended o Power Supply Page 96 Additional Component Wiring End Gear fe Cover Safety Work Light Switch End Gear Cover Safety Switch Figure 156 COMMON Chuck Guard f i is Safety Switch d e Chuck Guard Safety Switch Figure 157 m NC Eno Brake Pedal Safety Switch Figure 149 Lu 9 mu E E Figure 157 Chuck Guard Safety Switch location To Electrical Box Page 93 98 South Bend Lathe Co For Machines Mfg Since 3 11 16 Speed Gearhead Lathe Headstock 1
12. Figure 81 Power feed rate chart 16 Speed Gearhead Lathe Using the controls on the lathe follow along with the example below to better understand how to set the lathe for the desired power feed rate Example Power Feed Rate of 0 18mm rev 1 sure the end gears are in the standard configuration which is applicable for general feed operations refer to End Gears on the Page 56 for detailed instructions 2 Locate the line in the feed rate chart that lists the setting for 0 18mm of feed per revolution of the spindle as illustrated in Figure 82 LCT1W LCT2W LCT4W LCT8W LCS2W LCS4W LCS8W 330 490 75012502000 DA B CD Figure 82 Relationships between feed rate chart and headstock feed controls South Bend Lathe Co 55 16 Speed Gearhead Lathe 3 The configuration string of characters to the right of the selected feed rate LCS8W displays the positions to set the feed controls for a feed rate of 0 18mm rev 4 Position the controls as indicated in the following instructions If needed use the chuck key to rock the spindle back and forth to help mesh the gears as you make adjustments a Move the feed range lever to the low L position b Point the left gearbox lever to the C c Move the middle gearbox lever to the S d Position the bottom gearbox lever in the 8 slot e Point the right gearbox lever to the W The lathe
13. sese 58 Setting Threading Controls 58 Apron Controls ERE RO ER EUER 59 Thread Dial iiis ier ROO 59 Thread Dial Chart 60 Chip Drawer eese 61 Coolant System eese 62 ACCESSORIES 5 4 lt lt 63 IBS 63 2 2 2 02 0 65 Maintenance 65 Cleaning amp Protecting 22 65 Maintenance 66 L Dricati 5 67 ssi 67 Quick Change Gearbox eese 68 68 One Shot Oiler 69 Leadserew sissies hissed a 70 Ball Oilers amp 70 End Gears yy E EARN 71 Coolant System Service 72 Hazards 72 Adding 73 Changing 78 Machine Storage seen 74 Backlash Adjustment 400202200001 75 Compound 75 Cross Slide ess 76 Leadscrew End Play Adjustment 76 50005202050 77 Gib 77 Half Nut Adjustment
14. esses 78 Feed Rod Clutch Adjustment 79 Brake amp Switch see 81 Leadscrew Shear Pin Replacement 82 Gap Insert Removal amp Installation 85 Gap Removal ueste ederet ena 85 Gap Installation 85 TROUBLESHOOTING eere eere eee eese ene 86 ELECTRICAL S saisie REND FREI 89 Electrical Safety Instructions 89 Correcting Phase Polarity Wiring 90 Wiring Overview 91 Component Location 92 Electrical Box Wiring eene 93 Electrical Box 94 Spindle Motor eese 95 Coolant Pump Wiring eese 95 2 Speed Motor 96 Control Panel 97 Spindle ON OFF 97 Power Connection 0 98 Additional Component Wiring 98 PARTS iei OP 99 Hd 99 MO D MR 105 109 112 Spindle Motor 118 Saddle amp Cross Slide 115 Compound Slide amp Tool Post 118 Bed amp Shattered PEDE 119 Cabinet Stands amp Panels
15. 2 Putona respirator and eye protection to MEUS tighten the cap screw until it is just snug protect yourself from hazardous brake dust Note If installing a new brake band install the cap screw so there is one available hole to the left for future brake adjustment 3 Remove the motor access panel from the left cabinet 4 Measure the remaining brake band lining at the thinnest point which is usually at the 8 o clock position as shown in Figure 134 7 Firmly push the pedal lever to the right until it stops and the brake band is fully clamped around the brake hub 8 Adjust the pedal stop approximately 25mm away from the pedal lever see Figure 136 then tighten the pedal stop cap screw SR im LN Cn Figure 134 Minimum brake belt thickness When the brake band is new the lining is approximately 5mm thick If the lining thickness wears 2 5mm or less the brake band must be replaced Otherwise the rivets that secure the lining to the band will soon grind into the brake hub If the hub becomes damaged it must be replaced Figure 136 Brake pedal travel adjustment South Bend Lathe Co 81 16 Gearhead Lathe 3 T EE For Machines Mfg Since 3 11 9 Locate the brake switch on the right side of the brake pedal see Figure 137 Figure 137 Brake switch and pedal cam 10 Push the pedal lever down to verify that the cam lobe pushes the brake swi
16. 20 Follow Rest 47 Clearing snos ec Le IE 21 ow Clm Carriage amp Compound Rest Locks 47 LOCATION Gs etae aeu 22 C Physical 2 22 2 T a ES SAN an Electrical Installation 22 ope Way 5 pg gei p Weight 22 Noi pe 2 Space Allocation 22 ki Ft 20 Lifting amp Moving 23 2 2d Leveling 24 anual Feed eere 51 Carriage 4 2 51 Leveling 24 Cross Slide Handwheel ccccccecssseeeeeeeeees 51 Bolting to Concrete 1 25 Compound Rest Handwheel 51 Spindle 51 Determining Spindle 51 Setting Spindle 52 Configuration Examples esses 52 Power Feed 53 Power Feed 54 Setting Feed 2 112212 55 EAN Gears adu RE 56 Standard End Gear Configuration 56 Alternate Configuration 57 Threading Controls
17. 53 16 Speed Gearhead Lathe Power Feed Controls Use Figures 77 80 and the following descriptions to become familiar with the locations and functions of the controls that you will use to set up the correct power feed for your operation Note Before using power feed you may have to re configure the end gears depending on how they are set up Refer to End Gears on Page 56 for detailed instructions Feed Range Lever Selects the low or high feed rate range by re aligning the headstock transfer gear In the middle position disables power feed see Figure 77 HIGH POSITION DO NOT EXCEED SPINDIE SPEED Figure 77 Feed range lever Feed Direction Lever Selects the direction of power feed see Figure 78 Note The spindle must be stopped to use this lever When the lathe is running use the quick change feed direction knob on the apron Hick HIGH POSITION DO EXCEED SPINDLE 5 OF 330 RPM lt FORWARD FORWARD Figure 78 Feed direction lever in the neutral position 54 OPERATION For Machines Mfg Since 3 11 Quick Change Gearbox Feed Levers Configure the quick change gearbox gears for the feed rate selected see Figure 79 Figure 79 Quick change gearbox levers Feed Control Lever Directs the power feed to either the cross slide or the carriage see Figure 80 When the lever is down and the indent pin is pointing up the cros
18. Figure 92 Numbers are selected on the dial for Note The thread dial is not used for metric threading odd numbered TPI threads or diametral and modular gear turning You must leave the half nut engaged from the Fractional beginning until the threads gears are complete far these types of operations Use any opposing number pairs 2 4 or 1 3 on the thread dial for fractional TPI see Figure 93 For example to cut a 3 thread select 1 or 3 The following examples explain how to use the the dial thread dial chart TPI Divisible By 4 For threading a divisible by four use any line on the thread dial see Figure 90 2 2 3 2 42 Position 721 12 132 1 3 2 4 4 8 12 16 20 24 Any Position 28 32 36 40 44 Figure 93 Opposing number group are selected on 48 56 6072 dial for cutting 72 thread Figure 90 Any position on the dial for threading TPI divisible by 4 60 South Bend Lathe Co For Machines Mfg Since 3 11 OPERATION 16 Speed Gearhead Lathe 4 or 34 Fractional TPI Ch i p Drawer For TPI that have a or fraction use position 1 on the thread dial see Figure 94 The chip drawer shown in Figure 96 catches swarf and metal chips during the machining process It easily slides open to provide access to TPI swarf during cleanup Also the chip drawer contains a screen that 1 allows run off coolant to drain back into t
19. cccesccsscesneceseesseecssceesnecsseecsaeeesceceaeesneceaeessceceaeeseneceaeesaeceeeeeeneeeaees 660 lbs Swing Over Cross Slide ice e ee Pe Ne R ER E 8 42 in Swing Over 13 3 4 in 20 98 Maximum Tool Bit 12 3 4 Compound Travel iyi 5 12 in bes cie eed Eoque EI 38 58 in GOLES METUIT 9 in Headstock Info Spindle BOre EEE 2 0625 in Spindle ger ERR M MT 6 Number of Spindle Speeds ccccccccssscsssseccseseceessneecssneeecsseeeesseeceenseeseseeeeseeeeseeeesseeeeeseneeeesseeeeseneeeseneeeeses 16 Spindle Speed ses 40 2000 RPM Spindle ied ae eel te 01 6 Camlock Spindle Tapered Rollers Spindle E 24 1 4 in Spindle Length with 3 Jaw 30 1 4 in Spindle Length with 4 Jaw 28 3 4 in Spindle Length with Faceplate eese eene nennen enne enne nen senes en rns tnn 26 1 4 in Tailstock
20. 16 Speed Gearhead Lathe 1703 1704 1705 DESCRIFTION 0531710 FOOT CAST IRON PS vi South Bend Lathe Co 129 16 Speed Gearhead Lathe For Machines Mfg Since 3 11 Front Machine Labels CHANGING GEARS A e Xalil 1804 1811 1810 108 1806 1809 ONESHOT ere REF PART DESCRIPTION REF PART DESCRIPTION 801 PSB10531801 ID LABEL SB1053 210 PSBPAINTO2 LIGHT BLUE TOUCH UP PAINT Bo Bor rsenocer Bn Bog 510551802 ET Bos 1808 B04 1604 EE mm Bia o Er 206 108 Br 807 0527807 1825 1624 809 ONE SHOT OILER LABEL 130 South Bend Lathe Co For Machines Mfg Since 3 11 3 60 16 Speed Gearhead Lathe Rear amp Side Machine Labels 1622 1219 al CULLULCT 220V EUM 1220 51055 440 1620 6610547 amp SB1055F REF PART DESCRIFTION REF PART DESCRIPTION 1818 PSBLABELI5M ELECTRICITY LABEL 1822 PSBIO531822 MACHINE DATA PLATE SB1053 1620 1625 1055 825 AWARNING The safety labels provided with your machine are used to make the operator aware of the machine hazards and ways to prevent injury The owner of this machine MUST maintain the original location and readability of these safety labels If any label is
21. MODEL SB1053F TURN X 14 X 40 GEARHEAD LATHE w DRO Manual Insert PHONE 360 734 1540 www southbendlathe com The Model SB1053F Lathe is the same machine as the Model SB1053 except for the following e Added a 2 Axis Fagor Digital Readout DRO Except for the differences noted in this insert all other content in the Model SB1053 Owner s Manual applies to this machine Before operating your new lathe you MUST read and understand this insert the entire Model SB1053 Owner s Manual and the Fagor DRO Owner s Manual to reduce the risk of injury when using this machine Keep this insert for later reference If you have any further questions about this manual insert or the differences between the Model SB1053F and the Model SB1053 contact our Technical Support at 360 734 1540 or email sales southbendlathe com New amp Changed Parts KA 1811 1 MODEL i 1053F REF DESCRIPTION REF PART DESCRIPTION 119 P5B1053F1719 DRO ASSEMBLY FAGOR 2 AXIS 1719 5 PSB1053F1719 3 DRO Y AXIS SCALE FAGOR 27 1719 1 105 1719 1 DRO DISPLAY FAGOR 20 iT 1601 P5B1053F1801 MACHINE ID LABEL 1719 2 PSB1053F1719 2 DRO X AXIS SCALE FAGOR MKT 102 1811 1 PSBIOSSF1811 1_ MODEL NUMBER LABEL Copyright December 2013 by South Bend Lathe Co WARNING No portion of this manual may be reproduced without written approval TS16218 Printed in Taiwan V1 12 13 Model SB1053F E ANUAL INSE
22. To install the chuck 1 DISCONNECT LATHE FROM POWER 2 Use an appropriate lifting support or protective device to protect the ways and support the chuck 3 Clean and lightly oil the camlock studs then thoroughly clean the mating surfaces of the spindle and chuck 4 Install the chuck by inserting the camlock studs straight into the spindle cam holes Important Avoid inserting the studs by pivoting them in from an angle or rotating the spindle This can damage studs or bores CORRECT INCORRECT Figure 37 Inserting camlock studs into spindle bores South Bend Lathe Co OPERATION 16 Speed Gearhead Lathe 5 Incrementally tighten the camlocks in a criss cross or star pattern to ensure that the chuck seats evenly against the spindle 6 When the chuck is fully seated and all the camlocks are tight verify that the cam line is between the two V marks on the spindle nose as shown in the following figure Camlock between V s Figure 38 Cam line positioned between the V marks after the camlocks are fully tightened If the cam line is NOT between the V marks when the camlock is tight the stud may be installed at the incorrect height To fix this adjust the stud height as shown in the following figure Make sure to re install the stud cap screw afterward If adjusting stud height does not correct the problem try s
23. hour when you are prepared with the proper materials and tools Make sure to dispose of old fluid according to federal state and fluid manufacturer s requirements 6 To enable the remaining fluid to be poured out in the next step disconnect the fluid hose from the pump see Figure 120 Note The electrical conduit was purposely left long so the tank can be removed and dumped out without disconnecting wires from the pump Items Needed Qty Safety Wear See Hazards section on Page 72 New 222221 3 Gallons 4 Fluid Hose Empty 5 Gallon Bucket w Lid 2 Phillips Screwdriver 2 suerte trente 1 j Wrench T 1 AM Ee s Disposable Shop Rags As Needed Hose or Tubing x 60 Optional 1 Piece Magnets Optional As Many As Desired i Figure 120 Fluid hose and connection South Bend Lathe Co 73 16 Speed Gearhead Lathe ry i I zl N ry N E For Machines Mfg Since 3 11 7 Tip 10 11 12 13 74 Pour the remaining coolant into 5 gallon bucket and close the lid Clean all the sludge out of the bottom of the tank and then flush it clean Use the second bucket to hold the waste and make sure to seal the lid closed when done Dispose of the old coolant and swarf according to federal state and fluid
24. 10550044 5520 5 10550046 3 3 Q DESCRIPTION 0 o 4 L FILL SCREW M6 EADSTOCK COVER EADSTOCK COVER SEAL EADSTOCK CATCH TRAY AP SCREW AGNET EADSTOCK FRO TEEL ET SCREW 10 1 5 X 10 HREADED INSERT 10 1 5 HREADED INSERT 10 1 5 X 40 CHROME X10 T PANEL FLUTED RIVET 2 X 5MM COMPRESSION SPRING amp X 37MM COMPRESSION SPRING amp X 52 5MM STEEL 2 7 7 Q I Q I T Q I Q I Q m m Q M ale Ola m o m O E BALL 8 5MM G 15 6 X 2 4 P16 FT ROCKER ARM TAINING RING 12MM o 7 om 2 3 A HI 6 X 36 6X40 T ROD BRACKET YSX5X 22 3X 24 EVER LEVER HUB ETAINING WASHER CREW MO 1X 16 FT ROCKER ARM n 1 1 m r V m 4 OJT gt X m ROD BRACKET FORK FORK ETAINING RING 15MM ROCKER ARM LIP MM 1 1 n mi m i i i T Y5X5X30 n T ROD Y5X5 X17 EEL BALL 1 4 a Oo n m 1 1 MPRESSION SPRING 6 X 27 5MM T SCREW 8 1 25 X 6 B RETAINING WASHER REF 47 46 49 55 56 57 56 59 60 61 62A 62 63 64 65 66 67 68 69 70A 70 71 72 75 74 75 76 76 76 77 78 79 80 81 82 85 84 85 66 87 68 69 90 91 92 95 6 10550047 PLWOSM
25. 7 100 165 245 375 625 1000 120 200 330 490 750 1250 2000 B C D A B C D Figure 4 Spindle speed chart Spindle Speed Lever One of three controls used to select spindle speed Selects A B C or D gear position on the spindle speed chart Spindle Range Lever One of three controls used to select spindle speed Selects low or high range of spindle speeds on the spindle speed chart low range is on the left high range is on the right Spindle Speed Chart Displays the position of the two speed motor switch spindle speed lever and spindle range lever required to achieve each of the 16 available spindle speeds South Bend Lathe Co 5 16 Speed Gearhead Lathe INTRODUCTION For Machines Mfg Since 3 11 Feed Controls Coolant Switch Starts and stops the coolant pump Fluid flow is controlled by the valve on the coolant nozzle Li Feed Range Lever 9 SPINDyE SPEED 5 40 60 100 gt SPINDLE 5 80 120 200 Power Light Illuminates when power is enabled C to all lathe electrical controls Ne THF STOP Button Cuts power to the spindle motor ane coolant pamp EXCEED SPINDLE SPEED OF 330 RPM Jog Button Turns spindle motor ON when being pressed THREAD AND FEED CHART Figure 5 Feed controls on headstock 1 52 is ANE in Feed Rate Feed Range Lever Shif
26. South Bend Lathe Co 77 16 Speed Gearhead Lathe SS 3 T Jed For Machines Mfg Since 3 11 Note Remove the carriage lock clamp to access the saddle gib adjustment screw on the tailstock side see Figure 127 Figure 127 Carriage lock clamp Note Before adjusting the tailstock gib loosen the hex bolts underneath both ends of the tailstock see Figure 128 to release the clamping pressure between the upper and lower castings Test the gib adjustment by using the offset adjustment screws When you are satisfied with the setting retighten the clamping hex bolts Gib Adjustment Screw 1 of 2 Offset Adjustment 7 Screw Clamping Hex Bolti d of 2 Figure 128 Tailstock gib adjustment controls 78 Half Nut Adjustment The clamping pressure of the half nut is fully adjustable with a gib that can be loosened or tightened by two set screws Use this procedure to adjust the half nut if it becomes loose from wear or it is too tight for your preferences half nut that is too loose will make it difficult to produce accurate work half nut that is too tight will increase the rate of wear on itself and the leadscrew Tool Needed Hex Wrench 3M 1 To adjust the half nut 1 Disengage the half nut then remove the thread dial 2 Turn the two set screws see Figure 129 clockwise to tighten the half nut and counterclockwise to loosen it Make sure
27. change coolant regularly and position the nozzle where it will not splash or end up on the floor South Bend Lathe Co 15 16 Speed Gearhead Lathe SAFE For Machines Mfg Since 3 11 Chuck Safety Entanglement Entanglement with a rotating chuck can lead to death amputation broken bones or other serious injury Never attempt to slow or stop the lathe chuck by hand and always roll up long sleeves tie back long hair and remove any jewelry or loose apparel BEFORE operating Using Correct Equipment Many workpieces can only be safely turned in a lathe if additional support equipment such as a tailstock or steady rest is used If the operation is too hazardous to be completed with the lathe or existing equipment the operator must have enough experience to know when to use a different machine or find a safer way Disconnect Power Serious entanglement or impact injuries could occur if the lathe is started while you are adjusting servicing or installing the chuck Always disconnect the lathe from power before performing these procedures Proper Maintenance All chucks must be properly maintained and lubricated to achieve maximum clamping force and withstand the rigors of centrifugal force To reduce the risk of a thrown workpiece follow all maintenance intervals and instructions in this document Chuck Capacity Avoid exceeding the capacity of the chuck by clamping an oversized workpiece If the workpiece is t
28. nod UJM Jo YILI dooy suroj1 ooragos 1193 osn YIM u93jo lt 99u enuuy suro31 ooueuojureuir oq uouA oouoJ9JoJ sornb e se pusg u3nog popngour 193sod ooueuojureur JY JEY uo 3243 JOU sr ooueuojureur MO st ou JI jsi OY uo YILI XOQ 91 erjrur JNO 5040 ou3e pusg u3nog INOA uo ooueuojureur JO YILI doox 0 1 esp SIp 43uourooedoa uorjrpuoo UOTJEULAOJUL 54014211351 s 24n39egnueur jue ooo IY 03 1981009 1 009 Ayoyes pue qesod E UOT IPUOD uorjoodsu a sooeging _ LL EE ET RR EE GA RR ERR ERR RR uor qn sc 22 9 ez ve ac er t orer vr erjer m or e ej w e e ar Heyy Aj yJUOW pueg unos 9 e T xX ojspeoH ELE d p 4 South Bend Lathe Co 66 For Machines Mfg Since 3 11 11 h i 3 N 4 T 16 Speed Gearhead Lathe Lubrication NO
29. remove the spacer and the 57T gear then re install them as follows For the standard end gear configuration slide the 57T gear on first then the spacer on the outside Figure 84 Alternate end gear configuration Configuring End Gears For the alternate end gear configuration Tools Needed Oty slide the spacer on first then the gear Hex Wrench 6mm d aud 1 Wrench 22min 1 6 Re install the cap screw lock washer and flat washer you removed in Step 3 to secure To configure the end gears the spacer and 57T gear Do not overtighten 1 DISCONNECT LATHE FROM POWER Slide the pivot arm back so that either the 2 Remove the end gear cover from the left side 44T or the 56 meshes with the 57T gear of the headstock then retighten the pivot arm hex nut 3 Remove the cap screw lock washer and Note Make sure to keep approximately 0 002 flat washer from the 57 tooth end gear see play between the gears Figure 85 8 Replace and secure the end gear cover before re connecting the lathe to power Pivot Arm Figure 85 End gear components South Bend Lathe Co 57 16 Speed Gearhead Lathe Threading Controls The following subsections describe how to use the threading controls and charts on this lathe If you are unfamiliar with the process of cutting threads on a lathe we strongly recommend that you read books review industry trade magaz
30. 280 PSB10530277 SHIFT FORK 225 2561058025 ze rero 256 P5B10530236 GEAR27T 282 PSB10530282 227 205 258 P5B10530238 284 1 550284 259 _ 25810530239 GEAR 26T 285 25810530285 CAM BRACKET 240 _ PS610630240 GEAR 367 256 241 PSB10530241 LOCK COLLAR 287 5 10550287 242 288 PRIBM EXT RETAINING RING 17MM 248 6810650249 289 6810550289 244 PSB10530244 290 5810550290 5 225 _ 5610530225 29 5 0291 246 75510580256 292 South Bend Lathe Co 107 16 Speed Gearhead Lathe 87 5 For Machines Mfg Since 3 11 Gearbox Parts List REF PART DESCRIPTION REF PART DESCRIPTION 295 PSB10530293 SHIFT FORK 317 PSB1I0530317 END CAP PSTBOO STEEL BALL 1 4 318 0550518 75810530205 50 55052059 75210550296 520 7610550820 501090297 Bm 981093092 PSB10530298 SPRING 6 X 15 322 0530047 STEEL BALL 1 4 323 0530323 5HIFT LEVER PLATE PSB10520300 SELECTOR BAR 324 0550524 PSB10530289 WOODRUFF KEY 4 X 15 525 26 PSB10530302 SELECTOR SHAFT 326 PISM PORPOIS O RING 17 8 X 2 4 P18 927 PLWO3M LOCK WASHER 6MM 525 20 520 P PSB PSB 5 5 ROLL FIN 5 X16 550 4 ROLL FIN 4 X 24 5 5 5 0550159 PLUG 1 2 551 5505 SET SCREW MG 1 X amp 0530308 ELBOW 1 2 NPT 552 2 CAP SCREW 6 1 20 PE PS 5 o e
31. Cutting Inch Metric Modular and Diametral Pitches Jog Button and Emergency Stop Foot Brake Fagor DRO Included Accessories 8 8 Jaw Scroll Chuck Mounted to 8 01 6 Back Plate 10 4 Jaw Independent Chuck D1 6 12 Faceplate D1 6 Follow Rest Steady Rest with Ball Bearing Tips MT 6 to MT 4 Spindle Sleeve Two MT 4 Dead Centers 1 Carbon Steel and 1 Carbide Tipped Eight Leveling Pads Service Tools Toolbox 4 South Bend Lathe 16 SPEED GEARHEAD LATHE MODEL SB1053 14 X 40 MODEL SB1054F 16 X 40 w DRO MODEL SB1055F 16 X 60 w DRO oe Co MODEL 381054 EO OWNER S MANUAL South Bend Lathe Co Hundreds of Thousands of Lathes Sold With a hadition of Quality Since 1906 June 2011 by South Bend Lathe Co For Machines Mfg Since 3 11 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
32. Info Q ill Travel EMEN ee MT 4 Tailstock Barrel Diameter cccccccsscccssssceessseeseseeeessseeessaeeesesseeesenseeseeessseeeessaeeeseaaeesssneeessaeessaaees 2 047 in Threading Info Number of Longitudinal Feeds reirei iin niena EE E EE EEEE EK AER 17 Range of Longitudinal nennen enne nns 0 002 0 067 in rev Numb r of Cross K eds 5 cte e ree Eder 17 Range of Cross Feeds eco ee reae PATER 0 001 0 034 Number of Inch Threads ooo tcrra teer scotia et isse pee Fo serine eee ete eee eae regen cula 45 Range of Inch a 2 72 TPI Number of Metric 4 39 Range of 22 rete e 0 2 14 0 mm Number of Modular Pitches esses sense nennen nnne ness enne entente tenete nnn 18 Range of Modular Pitches 2 enu eerie 0 3 3 5 MP Number of Diametral Pitches esses esent 21 Range of Diametral Pitches 2 3 e eee estne tei Peter tede de Hte cesi n 8 44 DP Dimensions Bed Width HU ee ee REA 10
33. PCAP92M PSB10530055 PORGOSO PR3EM F6206 OFEN FROM PSB10530062A PKI75M PSB10530062A PSB10530062A PR76M PSB10530064 PSB10530065 PR7M PSB10530070A PSB10530070A PSB10530070A PSB10530070A PSB10530070A PKI76M B10530072 5 3 Q OIA UI lt 0550075 0550076 054F0076 054F0076 yj lt lt 5 v A lt e e 0530078 0530079 y 3 Q ivy 0550081 62 5 10550084 6206 2R5 85 PSB10530087 6 0520088 5810550089 5 10550090 3 5210550095 x 7 gt 9 3 i 3 oy JE aje z X 16 Speed Gearhead Lathe DESCRIPTION OIL SIGHT GLASS 3 4 LOCK WASHER 12MM CAP SCREW M12 1 75 X 40 HOUSI Fa a Z 6 INT RETAIN G FLUG 54 4 X 51 650 NG RING 62MM BALL BEARING 6206 OFEN Q EAR 241 ING RING 38MM KEY 10 X 6 X 20 Q Q EAR ASSEMBLY 24 67T EAR 671 EXT RETA EAR COLLAR BUSHING EXT RETA EAR 38T EAR 46T 50 EAR ASSEMBLY 38 46 50 30T EAR 30T 1 ING RING 52MM ING RING 55 7 7 7 DRIVE SHAFT BALL BEAR EXT RETAINI BEARING SEAT HEADSTOCK HEADSTOCK HEADSTOCK EXT RETAINI G 6205 OPEN G RING 25MM HOUSING SB1053 HOUSING SB1054F HOUSING SB1O55F G RING 30MM GEAR 30T GEAR 22T KEY 7X 7X 55 GEAR SHAFT 18T Q EY7X7X16 EY7X7X45 EAR
34. Speed Gearhead Lathe 3 T Jed For Machines Mfg Since 3 11 8 Insert the blow gun tip into the shear pin hole blow out the hole with compressed air then put a drop of oil in the hole 9 Insert the new shear pin into the bore as shown in Figure 143 Note If the pin does not freely slide into the bore DO NOT use a hammer on the pin or you may permanently damage the shear mechanism and bore which would make it nearly impossible to remove if it breaks again Instead take the time to carefully line up the two bores so it slides in easily Chamfer the end of the pin if necessary to make it easier to insert Figure 143 New shear pin installed in bore 10 With the pin completely seated in the bore and the head flush with the leadscrew shoulder slide the shroud washer against the shoulder then rotate the washer 180 to completely cover the head of the shear pin as shown in Figure 144 Figure 144 Shroud washer positioning South Bend Lathe Co 84 11 Return the retaining ring against the shroud washer and position the retaining ring ears over the shear pin head as shown in Figure 145 This will prevent the shear pin from falling out if the shroud washer should rotate during operation Figure 145 Retaining ring positioned with ears in front of pin access groove 12 Replace the clutch front and side covers For Machines Mfg Since 3 11 E RV 14 16 Spee
35. Type Weight Width side to side Depth front to back Height Electrical Power Requirement Full Load Current Rating Minimum Circuit Size Switch Switch Voltage Plug Included Recommended Plug Outlet Type 2970 lbs 86 x 32 3 4 x 48 in 82 x 19 1 2 in Wood Slat Crate 3234 lbs 94 x 44 x 69 in 220V 3 Phase 60 Hz 18 3A at 850 RPM 20 15A at 1725 RPM 30A Magnetic with Thermal Protection 220V No NEMA L15 30 3080 lbs 94 x 45 x 69 in 3 109 x 45 x 69 in 440V 3 Phase 60 Hz 440V 3 Phase 60 Hz 10 23A Magnetic with Thermal Protection 440V Magnetic with Thermal Protection 440V Hardwire to Locking Disconnect Switch South Bend Lathe Co Hardwire to Locking Disconnect Switch 16 Speed Gearhead Lathe INTRODUCTION For Machines Mfg Since 3 11 Model Number Main Motor yp Horsepower SB1054F SB1055F TEFC Induction 3 Phase 10A at 1725 RPM 9A at 850 RPM 850 RPM 1720 850 RPM V Belt amp Gear V Belt amp Gear Shielded amp Permanently Shielded amp Permanently Sealed Sealed TEFC Induction 1 8 HP 440V 3 Phase 0 15A 3450 RPM Direct Drive Shielded amp Permanently Sealed Sealed 16 18 in 40 in 10 375 in 15 75 in 22 95 in 3 4 in 5112 5 1 in Carriage Travel 38 58 in 38 58 in Cross Slide Travel 9 in 9 in TEFC Induction 220V 3 Phase 18A at 850 RPM 20A at 1725 RPM 850 1
36. and is dangerous to bystanders Always turn the power OFF before walking away Health Hazards Certain cutting fluids and lubricants or dust smoke created when cutting may contain chemicals known to the State of California to cause cancer respiratory problems birth defects or other reproductive harm Minimize exposure to these chemicals by wearing approved personal protective equipment and operating in a well ventilated area Difficult Operations Attempting difficult operations with which you are unfamiliar increases the risk of injury If you experience difficulties performing the intended operation STOP Seek an alternative method to accomplish the same task ask a qualified expert how the operation should be performed or contact our Technical Support for assistance 14 South Bend Lathe Co For Machines Mfg Since 3 11 d 1 B i 16 Speed Gearhead Lathe Additional Metal Lathe Safety Clearing Chips Metal chips can easily cut bare skin even through a piece of cloth Avoid clearing chips by hand or with a rag Use brush or vacuum to clear metal chips Chuck Key Safety A chuck key left in the chuck can become a deadly projectile when the spindle is started Always remove the chuck key after using it Develop a habit of not taking your hand off of a chuck key unless it is away from the machine Tool Selection Cutting with an incorrect or dull tool increases the risk of accidental injury due to
37. circuit that meets the requirements in the following section 18 PREPARATION For Machines Mfg Since 3 11 Circuit Requirements Model SB1053 This machine is prewired to operate on a 220V power supply circuit that has a verified ground and meets the following requirements Nominal Voltage 220V 230V CYC 60 Hz Phase 3 Phase Circuit 30 Amps Plug Receptacle Type NEMA L15 30 Cord S Type 4 Wire 10 AWG 300 VAC Model SB1054F amp SB1055F These machines are prewired to operate on a 440 power supply circuit that has a verified ground and meets the following requirements Nominal Voltage 440V 480V CY CIS 60 Hz 3 Phase Circuit Rating 15 Amps Connection Hardwire with Locking Switch A power supply circuit includes all electrical equipment between the main breaker box or fuse panel in your building and the incoming power connections inside the machine This circuit must be safely sized to handle the full load current that may be drawn from the machine for an extended period of time CAUTION For your own safety and protection of property consult a qualified electrician if you are unsure about wiring practices or electrical codes in your area Note The cir
38. disposal South Bend Lathe Co For Machines Mfg Since 3 11 11 h 3 N 4 E 16 Speed Gearhead Lathe Adding Fluid To change the coolant 1 DISCONNECT LATHE FROM POWER 1 Position the coolant nozzle over the splash guard so that it is pointing behind the lathe 2 Remove the vented cover and slide the tank If you have the optional hose connect it to out as shown in Figure 119 the end of the nozzle now 2 Place the 5 gallon bucket behind the lathe and under the coolant nozzle If you have the optional hose place the hose in the bucket Otherwise you may need to have an another person hold the bucket up to the nozzle to prevent coolant from splashing out of the bucket 3 Turn the coolant pump ON and pump the old fluid out of the reservoir Turn the pump OFF immediately after the fluid stops flowing Le Figure 119 Coolant tank and pump NOTICE Running the coolant pump without adequate 3 Pour coolant into the tank until it is nearly fluid in the tank may permanently damage it full which will not be covered under warranty 4 Slide the tank back into the cabinet and 4 DISCONNECT LATHE FROM POWER replace the vented cover 5 Remove the vented cover and slide the tank Changing Coolant out When you replace the old coolant take the time to thoroughly clean out the chip drawer catch tray and fluid tank The entire job only takes about a
39. eg Grizzly T23963 Mobil DTE Light Grearbox Capacity 3 innere Dec tec ined eel antes ted al os eh ERN E ERIS ERE TAN 1 4 qt Gearbox Fluid Type sess ISO 68 eg Grizzly T23962 Mobil Vactra 2 1 2 qt Apron Fluid enne ISO 68 eg Grizzly T23962 Mobil Vactra 2 111 qt Other Country Of Origin Taiwan R M 1 Approximate Assembly amp Setup Time 1 Hour Serial Number Location ID Label on Rear Side of Left Stand 1809001 Factory No CSA Certified Features Allen Bradley Electrical Components Signature South Bend 3 V Way Bed Meehanite Castings with Induction Hardened Ways Safety Chuck Guard with Micro Switch Shut Off Halogen Work Light 24V 70W 4 Way Tool Post Complete Coolant System Micrometer Carriage Stop Threading Dial Indicator NTN Japanese Spindle Bearings Full Length Splash Guard Front Removable Sliding Chip Tray Headstock Gears Run in an Oil Bath Completely Enclosed Universal Gearbox for
40. forces involved in machining a non concentric or off center workpiece always use a low spindle speed to prevent the workpiece from breaking loose and being thrown from the lathe which could cause death or serious personal injury Mounting Workpiece To mount a workpiece on the 4 jaw chuck 1 DISCONNECT LATHE FROM POWER 2 Place a chuck cradle or plywood the bedway below the chuck to protect the bedway surfaces 3 Use the chuck key to open each jaw so the workpiece will lay flat against the chuck face jaw steps or into the spindle opening 4 With the help from another person or a holding device position the workpiece so it is centered in the chuck 37 16 Speed Gearhead Lathe 5 Tighten each jaw in small increments After you have adjusted the first jaw continue tightening in an opposing sequence as shown in Figure 43 Workpiece Centerpoint Figure 43 4 jaw tightening sequence 6 After the workpiece is held in place by the jaws turn the chuck by hand and pay attention to the workpiece alignment If the workpiece is not correctly aligned for your operation as you turn the chuck make fine adjustments by slightly loosening one jaw and tightening the opposing jaw until the workpiece is correctly aligned see Figure 44 for an example Figure 44 Example photo of non cylindrical workpiece correctly mounted on the 4 jaw chuck ing OPERATION For Ma
41. gearbox and apron reservoirs as instructed in the Lubrication subsection on Page 67 8 Check and if necessary re tension the V belts as instructed in the V Belt subsection on Page 80 Congratulations The spindle break in is complete Recommended Adjustments For your convenience the adjustments listed below have been performed at the factory However because of the many variables involved with shipping we recommend that you at least verify the following adjustments to ensure the best possible results from your new machine Step by step instructions for these adjustments can be found on the pages referenced below Factory adjustments that should be verified e Tailstock alignment Page 42 e Compound and cross slide backlash adjustment Page 75 e Gib adjustments Page 77 South Bend Lathe Co For Machines Mfg Since 3 11 Operation Overview 16 Speed Gearhead Lathe To complete a typical operation the operator does the following The purpose of this overview is to provide 1 Puts on safety glasses rolls up sleeves the novice machine operator with a basic removes jewelry and secures any clothing understanding of how the machine is used during jewelry or hair that could get entangled in operation so they can more easily understand moving parts the controls discussed later in this manual 2 Examines the workpiece to make sure it Note Due to the generic nature of this overvi
42. gearbox fill and drain plugs 68 Draining Oil Place a catch pan under the quick change gearbox drain plug see Figure 109 loosen the fill plug and remove the drain plug then allow the gearbox reservoir to empty Apron Oil Type Mobil Vactra 2 or ISO 68 Equivalent iioi ros o errore 1 2 Quarts Check Add Daily Change Frequency Annually Checking Oil Level The apron has the proper amount of oil when the sight glass shown in Figure 110 is halfway full Important Keep in mind that the apron one shot oiler uses the oil from the apron reservoir Check the oil level before using the one shot oiler One Shot Oiler No r Figure 110 Location of apron oil sight glass South Bend Lathe Co For Machines Mfg Since 3 11 11 N h i 3 N 4 E 16 Speed Gearhead Lathe Adding Oil Remove the twist off fill cap shown in Figure 111 and add oil until the sight glass is halfway full M42AA2M5AMAA AAD ISDS Sight Glass Figure 111 Location of apron fill cap Draining Oil Since the apron oil reservoir supplies the one shot oiler the oil is constantly being refreshed as you refill the reservoir However drain and flush the apron oil reservoir at least once a year to keep it clean Place a catch pan under the apron drai
43. make sure they will not damage it AWARNING Gasoline and petroleum products have low flash points and can explode or cause fire if used for cleaning Avoid using these products to remove rust preventative PREPARATION 16 Speed Gearhead Lathe CAUTION Many cleaning solvents are toxic if inhaled Minimize your risk by only using these products in a well ventilated area NOTICE Avoid chlorine based solvents such as acetone or brake parts cleaner that may damage painted surfaces Always follow the manufacturer s instructions when using any type of cleaning product Basic steps for removing rust preventative 1 Puton safety glasses and disposable gloves 2 Coat all surfaces that have rust preventative with a liberal amount of your cleaner or degreaser and let them soak for a few minutes 3 Wipe off the surfaces If your cleaner or degreaser is effective the rust preventative will wipe off easily Note To clean off thick coats of rust preventative on flat surfaces such as beds or tables use a PLASTIC paint scraper to scrape off the majority of the coating before wiping it off with your rag Do not use a metal scraper or it may scratch the surface 4 Repeat Steps 2 3 as necessary until clean then coat all unpainted surfaces with a quality metal protectant or light oil to prevent rust NOTICE Remove the end gear cover and end gears and use a stiff brush with mineral spirits to c
44. month depending on the ambient humidity levels in the storage environment wipe down the machine as outlined in Step 3 Slide the carriage micrometer stop tailstock and steady rest down the lathe bed to make sure that way spotting is not beginning to occur Every few months rotate all gear driven components by hand a few times in several gear selections This will keep the bearings bushings gears and shafts well lubricated and protected from corrosion especially during the winter months South Bend Lathe Co For Machines Mfg Since 3 11 h 3 N 4 E 16 Speed Gearhead Lathe To prepare your machine for long term storage a year or more 1 Runthe lathe and bring all gearboxes to operating temperature then drain and refill them with clean oil 2 Pump out the old coolant and remove and blow out lines with compressed air and a few drops of way oil 3 DISCONNECT LATHE FROM POWER 4 Thoroughly clean all unpainted bare metal surfaces then apply a liberal coat of way oil heavy grease or rust preventative Take care to ensure these surfaces are completely covered but that the rust preventative or grease is kept off of painted surfaces 5 Lubricate the machine as outlined in the lubrication section Be sure to use the oil gun to purge all ball oilers and oil passages with fresh oil 6 Loosen or remove machine belts so they do not become stretched during the storage period Be sure to pla
45. place it on mounts 5 Assemble the loose components and make any necessary adjustments or inspections to ensure the lathe is ready for operation 6 Check lubricate the lathe 7 Connect the lathe to the power source 8 Test run the lathe to make sure it functions properly 9 Perform the spindle break in procedure to prepare the lathe for operation South Bend Lathe Co 16 Speed Gearhead Lathe Things You ll Need To complete the preparation process you will need the following items For Lifting and Moving e A forklift or other power lifting device rated for at least 5000 lbs e Lifting straps rated for at least 5000 lbs each e Optional Chain w safety hook rated for at least 5000 Ibs each e Two other people for moving machine Two 12 2x6 s e Precision level For Power Connection e A power source that meets the minimum circuit requirements for this machine review the Power Supply section on Page 19 for details e An electrician or qualified service personnel to ensure a safe and code compliant connection to the power source For Assembly Cotton rags Mineral spirits Quality metal protectant oil Safety glasses Wrench or socket 21mm Wrench or socket 19mm Floor mounting hardware as needed e e e e e e e e Standard screwdriver 2 17 16 Speed Gearhead Lathe Power Supply Requirements Availability Before installing the machine consider the availab
46. 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 Technical Documentation Manager P O Box 2027 Bellingham WA 98227 Email manuals southbendlathe com Updates For your convenience any updates to this manual will be available to download free of charge through our website at www southbendlathe com 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 Fax 360 676 1075 International Fax 360 734 1639 USA Only Email sales southbendlathe com Table of Contents
47. the illustration in Figure 75 This will make the first four or lower speeds in the top row of the chart available Note If necessary use the chuck key to rock the spindle back and forth to help mesh the gears as you move the levers Spindle Range Lever at the Low Range Spindle Speed Lever at A 40 RPM 375 625 1000 1250 2000 B C D Figure 75 Setting the spindle speed at 40 RPM South Bend Lathe Co For Machines Mfg Since 3 11 4 Move the spindle speed lever so that the indicator points to the letter A This will select the spindle speed of 40 RPM in the top row of the chart Example 2 Spindle Speed of 1250 RPM 1 Make sure the spindle is completely stopped and the spindle ON OFF lever is in the OFF middle position 2 Turn the motor switch to the HIGH right position This will make the speeds in the bottom row of the spindle speed chart available 3 Move the spindle range lever so that the indicator points to the lower line see Figure 76 This will make the last four or higher speeds in the bottom row available Spindle Speed Lever at 1250 RPM Spindle Range Lever at the High Range Figure 76 Setting the spindle speed at 1250 RPM 4 Move the spindle speed lever so that the indicator points to the letter C This will select the spindle speed of 1250 RPM in the bottom row
48. the extra force required for the operation which increases risk of breaking or dislodging components that can cause small shards of metal to become dangerous projectiles Always select the right cutter for the job and make sure it is sharp A correct sharp tool decreases strain and provides a better finish Securing Workpiece An improperly secured workpiece can fly off the lathe spindle with deadly force which can result in a severe impact injury Make sure the workpiece is properly secured in the chuck or faceplate before starting the lathe Chucks Chucks are very heavy and difficult to grasp which can lead to crushed fingers or hands if mishandled Get assistance when handling chucks to reduce this risk Protect your hands and the precision ground ways by using a chuck cradle or piece of plywood over the ways of the lathe when servicing chucks Safe Clearances Workpieces that crash into other components on the lathe may throw dangerous projectiles in all directions leading to impact injury and damaged equipment Before starting the spindle make sure the workpiece has adequate clearance by hand rotating it through its entire range of motion Also check the tool and tool post clearance chuck clearance and saddle clearance Speed Rates Operating the lathe at the wrong Speed can cause nearby parts to break or the workpiece to come loose which will result in dangerous projectiles that could cause severe impact inju
49. the taper and bore and re install tapered tool Adjust gib screw s see Page 77 Tighten handwheel fasteners adjust handwheel backlash to a minimum see Page 75 Adjust leadscrew to remove end play see Page 76 Remove gibs clean ways dovetails lubricate and re adjust gibs Loosen gib screw s slightly and lubricate bedways see Page 77 Slightly loosen backlash setting see Page 76 Lubricate bedways and handles Check for debris clean and retighten Re install cutting tool so no more than of the total length is sticking out of tool holder Adjust gib screws at affected component see Page 77 Replace or resharpen cutting tool Use the recommended spindle speed South Bend Lathe Co 87 16 Speed Gearhead Lathe TROUBLESHOOTING For Machines Mfg Since 3 11 Symptom Possible Cause Possible Solution Workpiece is Headstock and tailstock are not Realign the tailstock to the headstock spindle bore tapered properly aligned with each other centerline see Page 42 Chuck jaws will 1 Chips lodged in the jaws or scroll Remove jaws clean and lubricate scroll plate then not move or do not plate replace jaws move easily Carriage will not Gears are not all engaged 1 Adjust gear levers feed or is hard to Loose screw on the feed handle Tighten Carriage lock is tightened down Check to make sure the carriage lock bolt is fully released Chips have loaded up
50. to turn the set screws in even amounts so one does not become tighter than the other 3 Engage disengage the half nut several times and notice how it feels The half nut is correctly adjusted when it has a slight drag while opening and closing The movement should not be too stiff or too sloppy 4 Repeat Steps 2 3 if necessary until you are satisfied with the half nut pressure 5 Re install the thread dial South Bend Lathe Co For Machines Mfg Since 3 11 RV 3E 16 Speed Gearhead Lathe Feed Rod Clutch Adjustment The feed rod clutch helps protect the drivetrain from overload in the event of a crash and it works with the adjustable apron stop system to disengage the feed rod from the apron The feed clutch release point is adjusted at the factory However it can be re adjusted to increase or decrease the load it will take before the clutch slips Keep in mind that correctly adjusting the feed rod clutch for your operation is a matter of trial and error and experience NOTICE Setting the feed clutch for too high of a load defeats its purpose and could lead to lathe damage in the event of a crash Tools Needed Oty Hex Wrench 2 5mm 1 Hex Wrench 1 To adjust the clutch release point 1 DISCONNECT LATHE FROM POWER 2 Remove the clutch front and side covers see Figure 130 ver Removed From Here Clutch Front Cover Figure 13
51. 0 Location of feed rod clutch side cover removed for photo clarity South Bend Lathe Co 3 Open the end gear cover then rotate the bottom end gear by hand until you can access the set screw in the clutch collar as shown in Figure 131 od Clutch Figure 131 Feed rod clutch collar components Mark the set screw hole and the rotational position of the collar on the feed rod for a reference Remove the set screw shown in Figure 131 Insert the hex wrench into one of the holes on the collar then rotate the collar If you need to adjust the clutch for a higher load rotate the collar upward If you need to adjust the clutch for a lower load rotate the collar downward Line up one of the available set screw holes on the collar with the nearest indent in the feed rod then re install the set screw and fully tighten it When you are satisfied with the adjustment replace the front and side access panels 79 16 Speed Gearhead Lathe 3 T Jed For Machines Mfg Since 3 11 3 Turn the hex nuts on the motor mount bolts V Belts shown in Figure 133 to move the motor V belts stretch and wear with use so check them mount plate up or down and adjust the on a monthly basis to ensure optimal power V belt tension When tenpioned transmission Replace all of the V belts if any of each belt should have about 4 deflection them show signs of glazing fraying or cracking when press
52. 1 4 in Leadscrew Diar etey ettet ette re rere n epe e reps ees tees 1 1 8 in Mir TERRE 4 TPI Leadscrew Length P 63 9 16 in Steady Rest Capacity eed tee tede ra de REN Faq 5 16 4 5 16 in Follow Rest Capacity eene eter rne 5 8 3 1 8 in Race plate Size obe orte tiit iei tes Un en er etes 12 in Peed Rod Diam ter eoo Esdr I e NE 3 4 in Floor to Center Height cese ier erret eere RERO E ERES KENRVEFER 42 in Height With Leveling Jacks esses 43 1 2 in South Bend Lathe Co 3 Model SB1053F E ANUAL INSERT Mfd Since 12 13 Construction Base e M Cast Iron 0 M P Cast Iron End GOATS sess dedi vec PEE Flame Hardened Steel Induction Hardened Precision Ground Meehanite Cast Iron lic m A Cast Iron Stand Cast Iron Urethane Fluid Capacities Headstock Cap elty i tie pere tta Prae 7 4 qt Headstock Fluid ISO 32
53. 10 3 Jaw Chuck SB1054F 55F 1 Note Some inventory components or additional documentation may be shipped inside of the lathe electrical cabinet These items MUST be removed before connecting the lathe to the power source 20 South Bend Lathe Co For Machines Mfg Since 3 11 Cleaning amp Protecting The unpainted surfaces are coated at the factory with a heavy duty rust preventative that prevents corrosion during shipment and storage The benefit of this rust preventative is that it works very well The downside is that it can be time consuming to thoroughly remove Be patient and do a careful job when cleaning and removing the rust preventative The time you spend doing this will reward you with smooth sliding parts and a better appreciation for the proper care of the unpainted surfaces Although there are many ways to successfully remove the rust preventative we have cleaned thousands of machines and found the following process to be the best balance between efficiency and minimized exposure to toxic fumes or chemicals Before cleaning gather the following e Disposable rags e Cleaner degreaser certain citrus based degreasers work extremely well and they have non toxic fumes e Safety glasses amp disposable gloves Note Automotive degreasers mineral spirits or WDe40 can be used to remove rust preventative Before using these products though test them on an inconspicuous area of a painted area to
54. 19 4 PSB10530645 ELECTRICAL CABINET 619 4 FRONT MOTOR BEARING SB1054F 55F HEX NUT M6 1 619 5 PSB10530619 5 REAR MOTOR BEARING SB10530 114 South Bend Lathe Co For Machines Mfg Since 3 11 16 Speed Gearhead Lathe Saddle amp Cross Slide 1 702 716 U Cr O 717 701 706 T 75 uw BN Y x SS jo 719 B 767 South Bend Lathe Co 115 For Machines Mfg Since 3 11 16 Speed Gearhead Lathe Saddle amp Cross Slide 2 770 Viewed from Beneath South Bend Lathe Co 116 For Machines Mfg Since 3 11 3 5 16 Speed Gearhead Lathe Saddle amp Cross Slide Parts List REF PART PSB10530701 6 10520702 PSB10530703 PSB10530704 PSB10530705 PSB10530706 PSBIOS30713A 5 10550715 5 10550715 A lt lt PSB105307 05507 05507 0550720 0550721 10550001 PSB10530724 SB 5 5 3 e 3 Q m 3 SD 9 D B G o a Eu PSB10530729 0530732 0530733 0530734 0530735 B B DESCRIPTION GIB ADJUSTMENT SCREW COMPOUND SLIDE PIVOT PIN COMPOUND SLIDE T BOLT CROSS SLIDE GIB CROSS SLIDE WIPER WIPER PLATE THRUST BEARING NTB AS2 1226 BEARING SEAT SPACER HALF NUT WEDGE CROSS SLIDE HALF NUT
55. 38T BALL BEARI 6206 2R5 O RING 64 4 X 3 1 G85 FLA LS p ULL G m EARING EAL 505008 DLE PULLEY EY RE WAS AINING WASHER ER 8MM a CAP SCREW 5 1 25 X 25 SPINDLE OSE STEP BOLT South Bend Lathe Co 103 16 Speed Gearhead Lathe RU 5 For Machines Mfg Since 3 11 Headstock Parts List REF PART DESCRIPTION REF PART DESCRIPTION 94 PSB10530094 SPINDLE D1 6 MT 6 19 PKI44M 6 6 16 66 7581053009 2 25 o0 5055006 2a O2 32019 26 THRUST WASHER o 0520104 28 06 restossow6 50 zo oe __ 5810550108 22 52 THRUST WASHER 10 _ PSBI0530110 54 54 SHAFT 1 58105501 35 O RING 45 7 X 3 5 P44 16 56 56 18 GEAR ASSEMBLY 21 42T 58 58 104 South Bend Lathe Co For Machines Mfg Since 3 11 3 Ee 16 Speed Gearhead Lathe Gearbox 1 N N ne ed W x 2 EN E lt N vL Q e 105 South Bend Lathe Co 16 Gearhead Lathe 3 5 For Machines Mfg Since 3 11 Gearbox 2 106 South Bend Lathe Co For Machines Mfg Since 3 11 16 Speed Gearhead Lathe Gearbox Parts List
56. 4 or rubbing noises Investigate and correct strange or unusual noises or vibrations before operating the machine further Always disconnect the machine from power when investigating or correcting potential problems et ch 15 With the spindle ON OFF lever in the down position verify that the spindle chuck is a rotating counterclockwise down and toward the front of the lathe Figure 34 Master power switch turned If the spindle chuck are not rotating 13 To reset the STOP button and enable power the 1 to the lathe electrical controls twist the 2 ned STOP button clockwise until it pops out machine disconnect it from power then The power light on the control panel should sa ee for illuminate see Figure 29 on Page 28 ase Polarity Wiring on Page 90 After correcting the wiring repeat 14 Verify that the machine is operating Steps 11 15 correctly by moving the spindle ON OFF lever out and down to start spindle rotation see Figure 35 16 Press the STOP button to turn the lathe OFF then without resetting the STOP E button try to restart the lathe with the ST spindle ON OFF lever If the lathe does not start with the STOP button pressed in the STOP button safety feature is working properly If the lathe does start with the STOP button pressed in the STOP button safety is not operating correct
57. 5F Machine Specifications 9 UN 39 SABE DY fe M 13 Positioning Tailstock seen 39 Understanding Risks of Machinery 13 LETT COLE 39 Basic Machine Safety sess 13 Installing Tooling eee 40 Additional Metal Lathe Safety 15 Removing Tooling ARA 41 Chuck 21 6 01 ii 16 Offsetting Tailstock 41 PREPARATION 17 Aligning Tallstack ta Spindle Centerline sane 42 AL cu b Uds 43 Preparation Overview eese 17 4 Things You 17 Dead 8 Live Centers ioc 44 Power Supply Requirements 18 md Mounting Dead Center in Spindle 44 18 Full Load Current 22 222 18 Removing venten trom i Mounting Center in Tailstock 44 Circuit Requirements eeeeseeeeeneeere 18 Removing Center from Tailstock 45 Grounding 22 2 2 19 Mounting Workpiece Between Centers 45 20 Steady 46 lore
58. 725 RPM 60 Hz V Belt amp Gear Shielded amp Permanently Sealed Voltage Phase Amps Speed Cycle Power Transfer Bearings Coolant Motor yp Horsepower TEFC Induction 1 8 HP 220V 3 Phase 0 3A 3450 RPM 60 Hz Direct Drive Shielded amp Permanently Sealed Voltage Phase Amps Speed Cycle Power Transfer Bearings Operation Information 14 17 in 40 in 8 42 in 13 75 in 20 98 in 3 4 in Swing Over Bed Distance Between Centers Swing Over Cross Slide Swing Over Saddle Swing Over Gap Maximum Tool Bit Size Compound Travel 10 South Bend Lathe Co For Machines Mfg Since 3 11 INTRODUCTION 16 Speed Gearhead Lathe Model Number Headstock Information SB1054F SB1055F 2 1 16 in MT 6 40 2000 RPM 40 2000 RPM D1 6 Camlock D1 6 Camlock NTN Tapered Roller NTN Tapered Roller MT 4 2 047 in 2 047 in 0 002 0 067 in rev 0 002 0 067 in rev 0 001 0 034 in rev 0 001 0 034 in rev 2 06 in MT 6 Spindle Bore Spindle Taper Number of Spindle Speeds 40 2000 RPM D1 6 Camlock NTN Tapered Roller Range of Spindle Speeds Spindle Type o Spindle Bearings Tailstock Information Tailstock Quill Travel Tailstock Taper 6 in MT 4 Tailstock Barrel Diameter 2 047 in Threading Information ji 1 n 1 Number of Longitudinal Feeds Range of Longitudinal Feeds 0 002 0 067 in r
59. CROSS SLIDE LEADSCREW W HALF NUT CROSS SLIDE LEADSCREW KEY 3X3 X 100 ROLL PIN 5 X 40 COOLANT NOZZLE 3 8 PT X 24 COOLANT STAND PIPE W VALVE 5 8 PT STAND PIPE BRACKET SADDLE SADDLE STRAIGHT WIPER STRAIGHT WIPER PLATE LL CAF TAFER FIN Z6 X 2 5 4 SADDLE V V WIFER FLATE FINION FINION BRACKET STEEL BALL 1 4 PRESSION SPRING 6 X 15 THRUST BEARING NTB AS2 1730 BRACKET END CAP GRADUATED DIAL RING CROSS SLIDE GRADUATED DIAL CROSS SLIDE HANDWHEEL HANDWHEEL END 12 1 75 9 Q E gt REF PART 0550756 SB 1 5 1055074 p P p P PSB10530746 P P P P 9 2M 74M o 5 CAP17M CA CA CA 5 DESCRIFTION HANDWHEEL HANDLE GEAR FLAT WASHER GEAR 16T GEAR SHAFT F OIL TUBE 4 X 120MM OIL FILTER 6MM OIL TUBE 6 X 1GOMM PIPE ADAPTER 1 8 PT X GMM SET SCREW MG 1 X 30 X NUT M1O 1 5 LAT WASHER 10MM LP HD SCR M5 8 X 12 P SCREW MG 1 X 25 X NUT M1O 1 5 SCREW MG 1 X 20 CHROME SCREW 8 1 25 X GO ET SCREW MG 1 X amp P SCREW 4 7 X 10 P SCREW MG 1 X 20 SCREW MG 1 X 20 SCREW M5 8 X16 SET SCREW 8 1 25 X 35 CAP SCREW M12 1 75 X 75 E TIG m gt O gt Oo 2 South Bend Lathe Co 117 16 Speed Gearhead Lathe For Machines Mfg Since 3 11 Compound Sli
60. D Label on Rear Side of ID Label on Rear Side of Left Stand Left Stand Left Stand Assembly Time Approximately 1 Hour Approximately 1 Hour Approximately 1 Hour Induction Hardened Ways Induction Hardened Ways Serial Number Location 42 South Bend Lathe Co For Machines Mfg Since 3 11 d 1 E 21 16 Speed Gearhead Lathe Understanding Risks of Machinery Operating all machinery and machining equipment can be dangerous or relatively safe depending on how it is installed and maintained and the operator s experience common sense risk awareness working conditions and use of personal protective equipment safety glasses respirators etc The owner of this machinery or equipment is ultimately responsible for its safe use This responsibility includes proper installation in a safe environment personnel training and usage authorization regular inspection and maintenance manual availability and comprehension application of safety devices integrity of cutting tools or accessories and the usage of approved personal protective equipment by all operators and bystanders The manufacturer of this machinery or equipment will not be held liable for injury or property damage from negligence improper training machine modifications or misuse Failure to read understand and follow the manual and safety labels may result in serious personal injury including amputation broken bones electrocution or death The signals used in t
61. EMBLY 1028 P5B10531028 CHUCK GUARD 0604 PSBI0531060 1_ LAMP BODY 1029 PSBI0531029 1 2 1 060 2 FBULBS HALOGEN BULB 24V 1050 6 1 2 15 060 5 PSBI0531060 3 LENS 1051 107 BOLT 1 2 20 X1 BLK 060 4 PSBI0531060 4 LENS RETAINER 1052 26 SCREW MO 1 X 12 1060 5 555 PHLP HD SCR 5 5 X10 1060 6 P5B10531060 6 LAMP TERMINAL BLOCK 2P South Bend Lathe Co 123 16 Speed Gearhead Lathe For Machines Mfg Since 3 11 Tailstock EO 100 1122 1145 116 124 South Bend Lathe For Machines Mfg Since 3 11 60 16 Speed Gearhead Lathe Tailstock Parts List REF PART DESCRIPTION REF PART DESCRIPTION oo PSBI0531100 _ TAILSTOCK ASSEMBLY SB1053 28 581055 28 PIN oar 29 roevosenze oos 50 reeosenso 068 s rosos 7581053105 55 52 105 130 zo romvosenso 40 a QUILL LOCK SHAFT 45 FCAF26M SCREW M6 1 X 12 45 FCAF25M CAP SCREW 125 X GO 46 PCAPG8M CAP SCREW 6 1 8 ao 055149 50 5 52 55 27 LOWER OFFSET INDICATOR 55 PLwo6M LOCK WASHER 10MM South Bend Lathe Co 125 16 Speed Gearhead Lathe For Machines Mfg Since 3 11 Thread Dial 1209 TA 1201
62. ON 1505 1504 1505 1508 FOLLOW REST ASSEMBLY 5620 SET SCREW M8 1 25 X 8 CASTING South Bend Lathe Co 127 16 Speed Gearhead Lathe 3 5 For Machines Mfg Since 3 11 Electrical Electrical Cabinet 1605 1601 1602 1602 1617 1617 See pq mo n 1605 1606 Control Panel 610 1en 1614 REF PART 4 DESCRIPTION REF PART DESCRIPTION 601 TRANSFORMER LIANG SP TBSW 602 TACTOR AB C2301 220V SB1053 602 CONTACTOR AB C1601 440V SBI054F 55F 604 OL RELAY 193T 21 25A SB1053 604 OL RELAY 1937 16 24A 5B1054F 55F 605 OL RELAY 193T 0 25 0 4A CUTTING FLUID SWITCH 506 606 607 PSBI0531607 CONTACTOR CO9400 605 5 10551605 POWER SWITCH JOG BUTTON 128 South Bend Lathe Co For Machines Mfg Since 3 11 Accessories REF 701 702 705 704 705 706 707 708 709 zi PART 561509 51 DESCRIPTION 3 JAW CHUCK ASSEMBLY 9 EX WRENC PSB10531706 SPINDLE SLEEVE MT 6 MT 4 PSB10531707 TOOL BOX PAWIOM EX WRENCH 10MM SET 1 5 1OMM
63. REW MG 1 X 16 908 PSB10530908 END BRACKET 941 PCAPOGM CAP SCREW M6 1 X 25 909 PSBI0530909 LOCK COLLAR 942 SET SCREW MIO 1 5 X 10 eo eis rcarvew CAF 29 70 on 944 PSB10530944 7 X 3 1 4 912 _ PSB105309 945 10550945 7 X 2 915 946 SCREW 8 1 25 X 35 EE 946 917 950 918 EXT RETAINING RING 22 951 919 9 SPINDLE ROD SB1053 54F 952 CAP SCREW 6 1 20 920 054 921 PSB10530921 FEED ROD SB1053 54F 955 azi 956 922 0520922 ROD STOP COLLAR 957 925 B10530923 CLUTCH COLLAR 958 924 B10530924 BUSHING 959 925 205 THRUST BEARING 51205 960 926 B10530926 COMPRESSIONS SPRING 9 X 32 961 927 810550927 _ LEADSCREW LOCK COLLAR 962 928 1 THRUST BEARING 51105 963 929 _ PSB10530001 OIL FILL 964 eso 5610680980 905 280 266 907 952 5 10550952 COMPRESSION SPRING 27 X 55 120 South Bend Lathe Co For Machines Mfg Since 3 11 16 Speed Gearhead Lathe Cabinet Stands amp Panels 1 25 1060 F 2 1060 N 10605 nA a 1017 1016 1001 South Bend Lathe Co 121 16 Speed Gearhead Lathe For Machines Mfg Since 3 11 Cabinet Stands amp Panels 2 For Models 581055 amp SB1054F 1055 For Model SB1 122 South Bend Lath
64. RT Mfd Since 12 13 2 5 Product Specifications Box 2027 Bellingham WA 98227 U S A PHONE 360 734 1540 South Bend Lathe Co www southbendlathe com Model SB1053F 14 x 40 Turn X Gearhead Lathe with Fagor DRO Product Dimensions ll 2993 Ibs Width side to side x Depth front to back x Height essere 86 x 32 3 4 x 48 in Footprint Bength x Width uci CERA 82 x 19 1 2 in Wood Slat Crate nra Machine Mri EE 3085 Ibs Deng thx Width x Height ee esr 45 x 94 x 73 in Electrical Power Requirement E 220V 3 Phase 60 Hz Full Doad Current Rating eden tener CINES EEE ETER PER NE SERRE NP ceed 18 3A Minimum Circuit Size seerne eiecti e ie ta ve tee ee Edu ea eens 30A Connection tii ee eoi e tee acre des Bia Cord amp Plug Power Cord Included re eas ee idee e eee eee No Recommended Power S Type 4 Wire 10 AWG 300 VAC Recommended Plug
65. SB10530470 SPRING 6 X 27 421 _ PROGM 475 2 O RING 19 8 X 2 4 P20 422 PSB10530422 474 CLAMP STEP SCREW 425 _ PORFOWS 424 PSB10530424 476 SHAFT STEP 425 ROLL FIN 4 X 24 477 PSB10530477__ PIVOT ARM 426 5 10550426 FEED SELECTION FORK 478 PSB10530478 PIVOT BRACKET 427 FEED SELECTION SHAFT 479 HALF NUT 425 root O RING 15D X2A PIG 460 429 FORFO26 481 550491 APRON COVER 450 _ PSB10530430 KNOB HUB 482 PSB10530482 OIL DRAIN PLUG 1 8 431 FSB10550451 FEED SELECTION KNOB 485 PRPIO2M 432 6 10550422 484 SET SCREW 1 6 454 12 O RING 11 8 X 2 4 P12 485 CAP SCREW 5 2 X 35 435 5 10550455 486 SET SCREW M8 1 25 X 8 457 _ PSB10530437 _ COMPRESSION SPRING 4 X19 487 438 PSBI0530438 488 FLAT WASHER GMM 459 5 10550459 GEAR SHAFT 18T 489 SCREW 5 5 X 25 440 PSB10530218 490 9512 SET SCREW M 1X 25 441 PSB10530441 HANDWHEEL HUB 491 194 442 PSB10530442 CARRIAGE GRADUATED DIAL 492 PWO3M FLAT WASHER GMM Ma COMPRESSION SPRING 495 445 PSB10530445 CARRIAGE HANDWHEEL 494 446 PSB10530446 495 SCREW 5 5 X 8 447 5810520447 496 502 SET SCREW M6 1X 6 448 _ PSB10530448 HANDWHEEL HANDLE CAP SCREW 497 2 SCREW M5 8 16 South Bend Lathe Co 111 16 Speed Gearhead Lathe For Mac
66. TICE The following recommended lubrication schedules are based on light to medium usage For heavy use these lubrication tasks may need to be performed more frequently than recommended here Failure to follow reasonable lubrication practices as instructed in this manual could lead to premature failure of lathe components and will void the warranty Headstock Oil Type Mobil DTE Light or ISO 32 Equivalent Oil Amount 8 Quarts Check Add Frequency Daily Change Frequency Every 6 Months The headstock gearing is lubricated by an oil bath that distributes the lubricant with the motion of the gears much like an automotive manual transmission Checking Oil Level The headstock has the proper amount of oil when the sight glass shown in Figure 106 is halfway full OJ 40 60 100 165 245 375 625 1000 80 120 200 330 490 750612502000 AB CD AB C D A D THREAD AND FEED CHART aw sw KS Headstock Figure 106 Location of headstock sight glass South Bend Lathe Co Adding Oil The oil fill cap is located on top of the headstock as shown in Figure 107 Figure 107 Headstock fill and drain plugs Changing Oil Items Needed Oty 1 Catch Pan 8 Qt Minimum 1 To change the headstock oil 1 DISCONNECT LATHE FROM POWER 2 Remove th
67. ace to remove any dust or grime Push the rubber or plastic tip of the oil can nozzle against the ball oiler to create a hydraulic seal then pump the oil can once or twice If you see sludge Lead crew End and contaminants coming out of the lubrication Bearing Fill Cap area keep pumping the oil gun until the oil runs clear When finished wipe away excess oil Figure 115 Tailstock ball oilers Add oil to the feed control lever gearing oil cup until the cup is full The oil will slowly drain onto the gearing Refer to Figures 114 116 to identify the locations of each oil device Figure 116 Leadscrew end bearing fill cap 70 South Bend Lathe Co For Machines Mfg Since 3 11 16 Speed Gearhead Lathe End Gears Grease NLGI 2 Frequency Annually or When Changing The end gears shown in Figure 117 should always have a thin coat of heavy grease to minimize corrosion noise and wear Wipe away excess grease that could be thrown onto the V belts and reduce optimal power transmission from the motor Figure 117 End gears Handling amp Care Make sure to clean and lubricate any gears you install or change Unless you are very careful during handling and storage the coating of grease on the gears will easily pickup dirt or debris which can then spread to the other gears and increase the rate of wear Make sur
68. al scroll gear that moves all jaws in unison when adjusted with the chuck key This chuck will hold cylindrical parts on center with the axis of spindle rotation and can be rotated at high speeds if the workpiece is properly clamped and balanced Never mix jaw types or positions to accommodate an odd shaped workpiece The chuck will spin out of balance and may throw the workpiece Instead use an independent jaw chuck or a faceplate Insufficient Jaw Clamping Sater Inside Jaw Use Bar Stock Unstable Workpiece Unsafe Jaw Fosition and Foor Scroll Gear Engagement Foor Grip Safer Outside Jaw Use Shallow Bar Stock Unstable Workpiece i Unsafe Inside Safer Outside ewes Jaw Use Shallow Bar Stock Unsafe Jaw Fosition and 7 Foor Scroll Gear Engagement Safer Inside Unsafe Jaw Foeition Jaw Use Cylinder Poor Scroll Gear Engagement Z Figure 42 Jaw selection and workpiece holding South Bend Lathe Co OPERATION 16 Speed Gearhead Lathe 4 Jaw Chuck Refer to the Chuck Installation see Page 35 and Chuck Removal see Page 36 instructions to install or remove the 4 jaw chuck The 4 jaw chuck features independently adjustable hardened steel jaws for holding non concentric or off center workpieces Each jaw can be independently removed from the chuck body and reversed for a wide range of work holding versatility AWARNING Because of the dynamic
69. ay so you can clean the entire length of the leadscrew Apply a thin coat of oil along the length of the leadscrew Use a stiff brush to make sure the oil is applied evenly and down into the threads Figure 114 Carriage ball oilers and oil cup Note In some environments abrasive material can become caught in the leadscrew lubricant Quill Leadscrew and drawn into the half nut In this case Ouill Barrel amp Nut lubricate the leadscrew with a quality dry lubricant Ball Oilers amp Oil Cup Oil Mobil Vactra 2 or ISO 68 Equivalent Zoll As required Pump Oil Can w Plastic or Rubber Cone Tip 1 Lubrication Frequency Before and After Use Proper lubrication of ball oilers is done with a pump type oil gun that has a plastic or rubberized cone tip We do not recommend using a metal needle or lance tips that can push the Leadscrew End Bearing ball too far into the oiler break the spring seat To check the oil level remove the fill cap and and cause the ball to fall into the oil galley look inside the reservoir Figure 116 The oil level must remain full to keep the leadscrew Lubricate the ball oilers before and after machine bearing adequately lubricated Pour oil in the use and more frequently under heavy use When reservoir until it is as full as possible without lubricating ball oilers first clean the outside overflowing surf
70. ce a maintenance note near the power button as a reminder that the belts have been loosened or removed 7 Place a few moisture absorbing desiccant packs inside of the electrical box 8 Cover the lathe and place it in a dry area that is out of direct sunlight and away from hazardous fumes paint solvents or gas Fumes and sunlight can bleach or discolor paint and make the chuck guard cloudy 9 Every few months by hand rotate all gear driven components a few times in several gear selections This will keep the bearings bushings gears and shafts well lubricated and protected from corrosion especially during the winter months Slide the carriage micrometer stop tailstock and steady rest down the lathe bed to make sure that way spotting is not beginning to occur South Bend Lathe Co Backlash Adjustment Backlash is the amount of free play felt while changing rotation directions with the handwheel This can be adjusted on the compound rest and cross slide leadscrews Before beginning any adjustment make sure that all associated components have been cleaned and lubricated NOTICE Reducing backlash to less than 0 002 is impractical and can lead to accelerated wear of the wedge nut and leadscrew Avoid the temptation to overtighten the backlash set screw while adjusting Compound Rest Tools Needed Hex Wrench 1 The compound rest backlash is adjusted by tightening the set sc
71. chines Mfg Since 3 11 Faceplate Refer to the Chuck Installation Page 35 and Chuck Removal Page 36 instructions to install or remove the faceplate The 12 faceplate included with your lathe offers a wide range of uses including machining non concentric workpieces straight turning between centers off center turning and boring The tools needed for mounting a workpiece will vary depending on the type of setup you have AWARNING Machining non concentric workpieces at a high speed could cause the workpiece to be thrown from the spindle with deadly force at the operator or bystanders To reduce this risk only machine non concentric workpieces at low speeds and clamp counter weights to the faceplate to balance it AWARNING Failure to properly secure a workpiece to the faceplate could cause the workpiece to be thrown from the lathe with deadly force at the operator or bystanders Use a minimum of THREE independent clamping devices to hold the workpiece onto the faceplate South Bend Lathe Co For Machines Mfg Since 3 11 To mount a non concentric workpiece to the faceplate 1 DISCONNECT LATHE FROM POWER 2 Protect the bedway with a piece of plywood 3 With the help from another person or holding device to support the workpiece position it onto the faceplate and clamp it in place with a minimum of three independent clamping devices see Figure 45 for an example Be sure to take into account the rotat
72. cifications for the weight of your machine Make sure that the surface upon which the machine is placed will bear the weight of the machine additional equipment that may be installed on the machine and the heaviest workpiece that will be used Additionally consider the weight of the operator and any dynamic loading that may occur when operating the machine Space Allocation Consider the largest size of workpiece that will be processed through this machine and provide enough space around the machine for adequate operator material handling or the installation of auxiliary equipment With permanent installations leave enough space around the machine to open or remove doors covers as required by the maintenance and service described in this manual A CAUTION Children or untrained people may be seriously injured by this machine Only install in an access restricted location Electrical Access Door A Keep Workpiece Loading Area Unobstructed A Fower Connection Location gt EN Figure 15 Space required for full range of movement 2295 South Bend Lathe For Machines Mfg Since 3 11 Lifting amp Moving AWARNING This machine and its parts are heavy Serious personal injury may occur if safe moving methods are not used To reduce the risk of a lifting or dropping injury ask others for help and use power lifting equipment Do not attemp
73. creases the risk of injury from accidental startup Always disconnect power BEFORE any service or adjustments including changing blades or other tooling Secure Workpiece Tooling Loose workpieces cutting tools or rotating spindles can become dangerous projectiles if not secured or if they hit another object during operation Reduce the risk of this hazard by verifying that all fastening devices are properly secured and items attached to spindles have enough clearance to safely rotate Chuck Keys or Adjusting Tools Tools used to adjust spindles chucks or any moving rotating parts will become dangerous projectiles if left in place when the machine is started Reduce this risk by developing the habit of always removing these tools immediately after using them Work Area Clutter and dark shadows increase the risks of accidental injury Only operate this item in a clean non glaring and well lighted work area Properly Functioning Equipment Poorly maintained damaged or malfunctioning equipment has higher risks of causing serious personal injury compared to those that are properly maintained To reduce this risk always maintain this item to the highest standards and promptly repair service a damaged or malfunctioning component Always follow the maintenance instructions included in this documentation Unattended Operation Electrically powered equipment that is left unattended while running cannot be controlled
74. cuit requirements listed in this manual apply to a dedicated circuit where only one machine will be running at a time If this machine will be connected to a shared circuit where multiple machines will be running at the same time consult a qualified electrician to ensure that the circuit is properly sized for safe operation South Bend Lathe Co For Machines Mfg Since 3 11 PREPARATION 16 Speed Gearhead Lathe Grounding Requirements In the event of certain types of malfunctions or AWAR N breakdowns grounding provides a path of least Electrocution or fire may resistance for electric current in order to reduce occur if machine is not the risk of electric shock correctly grounded and attached to the power Improper connection of the equipment grounding supply Use a qualified wire can result in a risk of electric shock The electrician to ensure a safe wire with green insulation with or without power connection yellow stripes is the equipment grounding wire If repair or replacement of the power cord 440 Operation is necessary do not connect the equipment grounding wire to a live current carrying terminal As specified in the Circuit Requirements section for the Models SB1054F and SB1055F on the previous page these machines must be hardwired to the power source using a locking switch see Figure 12 These machines must also be connected to a grounded metal permanent wiring system or to a syste
75. d tool chatter however over tightened gibs cause premature wear and make it difficult to turn the handwheels Important Before adjusting the gibs loosen the locks for the device so that the gibs can freely slide during adjustment then lubricate the ways The gibs are tapered and held in position by a screw at each end To adjust the gib turn one screw 1 4 turn clockwise and the other screw 1 4 turn counterclockwise so both screws move in the same direction and the same amount Test the feel of the sliding component by turning the handwheel and adjust the gib screws as necessary to make it tighter or looser The gib adjustment process usually requires some trial and error Repeat the adjustment process as necessary until you find the best balance between loose and stiff movement Most machinists find that the ideal gib adjustment is one where a small amount of drag or resistance is present yet the handwheels are still easy to move Figures 124 128 show the location of the adjustment screws for each gib on this machine Compound Rest Gib Adjustment Screw 1704 2 Cross Slide Gib Adjustment Screw rw ora Figure 124 Compound and cross slide gib adjustment screws Gib Adjustment Screw 1 of 2 Figure 125 One of two rear saddle gib adjustment screws Gib Adjus Figure 126 Front saddle gib adjustment screw
76. d Gearhead Lathe Gap Insert Removal amp Installation The gap insert directly under the spindle see Figure 146 can be removed to create additional space for turning large diameter parts The gap insert was installed then ground flush with the bed at the factory to ensure a precision fit and alignment Therefore if the gap insert is removed it may be difficult to re install with the same degree of accuracy Figure 146 Gap insert Tools Needed Qty Hex Wrenches 1 Hex Wrench 8mm 2 4 1 Wrench 17mm entree 1 Dead Blow Hammer eee 1 Gap Removal 1 Remove the four gap bed cap screws shown in Figure 147 Jack Nut Screw rrr n OA Figure 147 Fasteners holding gap in place South Bend Lathe Co Remove the two way end cap screws 3 Tighten the two dowel pin jack nuts until the pins are pulled free from the gap insert 4 the outside of the gap insert with a dead blow hammer to loosen it then remove it Gap Installation 1 Use mineral spirits and a clean lint free rag to clean the mating surfaces of the gap bed and ways If necessary stone the mating surfaces to remove scratches dings or burrs 2 Wipea thin layer of light machine oil on the mating surfaces 3 Place the gap insert i
77. d hand or shop rag then tap the sleeve loose NOTICE To avoid premature wear of the dead center or damage to the workpiece use low spindle speeds and keep the tip of the dead center mounted in the tailstock well lubricated Mounting Center in Tailstock Either a carbide tipped dead center or live center can be used in the tailstock Mounting instructions are the same for both Figure 58 shows an example photo of a dead center mounted in a tailstock Carbide Tipped Dead Center Figure 58 Example photo of using a carbide tipped dead center installed in the tailstock To mount a center in the tailstock 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean and dry the tapered mating surfaces of the tailstock quill bore and the center making sure that no lint or oil remains on the tapers South Bend Lathe Co For Machines Mfg Since 3 11 3 Use the tailstock handwheel to feed the quill out from the casting approximately 1 Note Do not extend the quill more than 2 or stability and accuracy will be reduced 4 Insert the center into the tailstock quill 5 Seatthe center firmly into the quill during workpiece installation by rotating the quill handwheel clockwise to apply pressure with the center engaged in the center hole in the workpiece Note Only apply enough pressure with the tailstock quill to securely mount the workpiece between centers Avoid overtightening the center against the wor
78. d multiple times weak relay Correct motor wiring connections Test all switches and replace as necessary Test for power on all legs and contactor operation Replace unit if faulty Check for broken wires or disconnected corroded connections and repair replace as necessary Test repair replace Inspect keys and set screws Replace or tighten if necessary Tighten fan shim cover or replace items Decrease depth of cut or feed rate Refer to the feeds and speeds charts in Machinery s Handbook or a speeds and feeds calculator on the internet Sharpen or replace the cutting tool 86 South Bend Lathe Co For Machines Mfg Since 3 11 Symptom Entire machine vibrates upon startup and while running Bad surface finish Tapered tool difficult to remove from tailstock quill Cross slide compound or carriage feed has sloppy operation Cross slide compound or carriage feed handwheel is hard to move Cutting tool or machine components vibrate excessively during cutting Possible Cause Workpiece is unbalanced Loose or damaged V belt s V belt pulleys are not properly aligned Worn or broken gear present Chuck or faceplate is unbalanced Gears not aligned in headstock or no backlash Broken gear or bad bearing Workpiece is hitting stationary object Spindle bearings at fault Wrong spindle speed or feed rate Dull tooling or poor tool selection Tool
79. de amp Tool Post 202 REF PART DESCRIPTION REF PART DESCRIPTION 801 PSB10530801 TOOL POST LEVER 817 PSB10530817 GRADUATED DIAL POINTER 802 PSB10530802 NUT 818 0530818 805 P5B10530803 FLAT WASHER 819 0550819 COMPOUND SLIDE GRADUATED DIAL 804 PSB10530804 TOOL CLAMP BOLT 820 0530820 Bos 0630605 100 FOST BODY Bm 10630621 807 625 10530622 624 75510630624 Boo 75810530609 POST T SLIDE Pas 20 826 527 812 5810550812__ 1 ADJUSTMENT SCREW 826 TEEL FLUTED RIVET 2 X SMM B 825 SET SCREW 5 12502 815A _ PSBIO530815A 85 STEEL BALL 1 4 815 PSB10530815A_ COMPOUND SLIDE LEADSCREW 852 Bv raion THRUST BEARING 622 118 South Bend Lathe Co 16 Speed Gearhead Lathe For Machines Mfg Since 3 11 Bed amp Shafts 119 South Bend Lathe Co 16 Speed Gearhead Lathe 3 5 For Machines Mfg Since 3 11 Bed amp Shafts Parts List REF PART DESCRIPTION REF PART DESCRIPTION 901 rsB1055090 SB1053 954 PSB10530934 eoi 928 550 202 25510550902 os 204 2561050904 206 eso CAF SCREW MEX 56 907 PSB10530907 940 55 SET SC
80. dial gear toward the leadscrew so that it properly meshes with the leadscrew threads then re tighten the knob as shown Figure 88 Figure 88 Thread dial engaged with the leadscrew NOTICE When threading we recommend using the slowest speed possible and avoiding deep cuts so you are able to disengage the half nut and prevent an apron crash South Bend Lathe Co 5 5 16 Speed Gearhead Lathe OPERATION For Machines Mfg Since 3 11 Thread Dial Chart Even TPI Not Divisible By 4 Find the TPI threads per inch that you want For threading a TPI that is even but not divisible to cut in the left column of the thread dial chart by 4 use any of the non numbered lines on the see Figure 89 then reference the dial number thread dial see Figure 91 to the right of it The dial numbers indicate when to engage the half nut for a specific thread pitch The thread dial chart can also be found on the front of the thread dial housing 2 6 10 14 Non 18 22 26 Numbered 30 54 Position Figure 91 Marks are selected on the dial for threading even TPI not divisible by 4 Odd Numbered For odd numbered use any of the numbered Position lines on the thread dial see Figure 92 23 1 2 3 4 22 3242 Position 721 12 132 274 234 Position 34 334 Only 2 Same as Metric Threads Figure 89 Thread dial chart Numbered Position
81. dle Centerline on Page 42 for detailed instructions e Make a facing cut on a piece of round bar stock If the tool is above or below the spindle centerline a nub will be left in the center of the workpiece Adjust the height of the tool then repeat the facing cut to check the adjustment Repeat as necessary until the center of the workpiece face is smooth South Bend Lathe Co OPERATION 16 Speed Gearhead Lathe Tools Needed Qty Tool Post T Wrench ee 1 Steel As Needed Cutting 1 Eme Buler eee GERNE 1 Tailstock Center ne etti 1 To align the cutting tool with the tailstock center 1 Mount the cutting tool in the tool post then secure the post so the tool faces the tailstock 2 Install a center in the tailstock and position the center tip near the cutting tool tip 3 Lock the tailstock and quill in place 4 Adjust the height of the cutting tool so that the tool tip is aligned vertically and horizontally with the center tip as shown in Figure 68 Tailetock Tailetock Center lt a Side View Figure 68 Cutting tool tip aligned with tailstock center 49 16 Gearhead Lathe Adjustable Feed Stop This machine features an adjustable stop system that can be used to stop the carriage at a pre set location when it is being driven by the feed rod This syst
82. e amp Chuck Registration Marks Chuck Halves Camlock Spindle for Chuck Reassembly Direct Mount Camlock Chuck Figure 40 Registration mark locations 36 OPERATION For Machines Mfg Since 3 11 Chuck Removal To remove the chuck 1 DISCONNECT LATHE FROM POWER 2 Use an appropriate lifting support or protective device to protect the ways and support the chuck 3 Loosen the camlocks by turning the key counterclockwise until the cam lines are aligned with the mark on the spindle nose Tip Camlocks can become very tight A cheater pipe may be used as a last resort to add leverage when loosening After loosening you may need to wiggle the chuck key in the camlock to fully disengage the stud Cam line aligned with spindle mark Figure 41 Camlock is fully loosened when the cam line is aligned with the spindle mark 4 Using a dead blow hammer or other soft mallet lightly tap around the outer circumference of the chuck body to loosen it from the spindle 5 Remove the chuck from the spindle using a light rocking motion to carefully slide the studs out of the bores If the chuck does not immediately come off rotate it approximately 60 and tap it again Make sure all the marks on the cams and spindle are in proper alignment for removal South Bend Lathe Co For Machines Mfg Since 3 11 Scroll Chuck Clamping This scroll type chuck has an intern
83. e 3 11 EIJ ESSORIES 16 Speed Gearhead Lathe Accessories This section includes the most common accessories available for your lathe which may be available through your local South Bend Lathe Co dealer If you do not have a dealer in your area please call us at 360 734 1540 or email us at cs southbendlathe com SB1434 8 Backplate 01 6 SB1279 10 Pc Precision 5 Collet Set Set of 10 collets sized from 6 34 Same quality as the individual collets only packaged in one convenient set Figure 99 Model SB1279 10 Pc 5 C Collet Set SB1268 Collect Attachment This collet attachment takes advantage of the South Bend factory made collet port in the lathe gear cover This accessory installs easily on these South Bend Lathes without having to modify the gear cover The Model SB1268 is capable of delivering years of trouble free service It is manufactured with the same high quality workmanship materials and tolerances South Bend machinery is known for Figure 100 Model SB1268 Collect Attachment South Bend Lathe Co 5 1239 4 High Performance Live Center South Bend brand live centers are the best cen ters in the industry made with pride and uncom promising quality e Shafts are made of alloy steel and vacuum heat treated to HRC60 1 for high rigidity and durability e Centers use a combination of roller bearings thrust ball bearings and ball bearings e Applicable
84. e Co For Machines Mfg Since 3 11 3 5 16 Speed Gearhead Lathe Cabinet Stands amp Panels Parts List REF PART DESCRIPTION REF PART DESCRIPTION 1001 _ 581055100 CHIP DRAWER SB1053 54F 1095 PNO4M HEX NUT 4 7 1001 PSBI055F1001 CHIP DRAWER SBI055F 1054 LOCK WASHER 6MM 002 PSB10531002 ECCENTRIC LOCK COLLAR 1055 PSB10531035 LIMIT SWITCH BRACKET 1005 SCREW 6 1 6 1056 0521096 CHUCK GUARD LIMIT SWITCH 129212 004 1057 005 1058 005 1058 006 1040 006 040 007 0s 052 009 045 5610551045 COOLANT TANK 11 3 LITER 010 RIGHT CABINET FRONT PANEL O44 4 COOLANT PUMP 1 8HP 220V 3PH 81053 1013 046 P5B10531046 COOLANT HOSE 3 8 X 72 581055 1014 _ P5B10531014 LEFT CABINET STAND 1046 B10531046 T HOSE 3 8 X 72 5B1054F O15 FSB10531015 LEFT CABINET FRONT PANEL 046 1055 1046 T HOSE 3 8 X 78 SBIOS5F ote Fs05M PHLP HD SCR M5 8 X 8 1047 B10531047 LLAR 017 _ P5810531017 FEED ROD CLUTCH SIDE COVER 048 5909 EWM X8 ZE 09 050 020 1081 10521051 LEVELING PAD 021 1052 8 HEX BOLT 16 2 X 60 BLK 12 9 022 053 023 055 PSBIO55F1058 CABINET STAND SUPPORT ROD 1024 HEADSTOCK SIDE COVER SB1053 1056 5 0521056 2 MOTOR SWITCH 024 07 025 058 1026 059 1027 CHUCK GUARD PIVOT ROD 060 PSB10531060 HALOGEN LAMP ASS
85. e centerline 3 Position the steady rest where required to while still allowing it to freely rotate properly support the workpiece then tighten the hex nut shown in Figure 61 to secure it 8 Tighten the three leaf screws to secure the in place settings 46 South Bend Lathe Co For Machines Mfg Since 3 11 OPERATION 16 Speed Gearhead Lathe Follow Rest The follow rest mounts to the saddle with two cap screws see Figure 63 It is used on long slender parts to prevent workpiece deflection from the pressure of the cutting tool during operation Adjust the follow rest fingers in the same manner as the those on the steady rest Note To reduce the effects of friction lubricate the brass finger tips with generous lubricant during operation Figure 63 Follow rest attachment Carriage amp Compound Rest Locks The carriage and compound rest have locks that can be tightened to provide additional rigidity during operation especially during heavy cuts See Figure 64 to identify the locations of the locks for each device Compound Rest Figure 64 Locations of compound rest and carriage locks South Bend Lathe Co 47 16 Speed Gearhead Lathe Compound Rest The compound rest handwheel has an indirect read graduated scale This means that the distance shown on the scale represents the actual distance the cutting tool moves The base of the compound rest has another graduated sca
86. e difficult to remove later Also over tightening will result in excessive friction and heat which may damage the workpiece or center Figure 60 Example photo of workpiece mounted between the centers 45 16 Speed Gearhead Lathe OPERATION For Machines Mfg Since 3 11 4 Loosen the clamp knob that secures the two Steady Rest halves of the rest and open the top portion as shown in Figure 62 The steady rest supports long shafts and can be mounted anywhere along the length of the bedway Familiarize yourself with the steady rest components shown in Figure 61 to better understand its operation Finger Adjustment Knob Figure 62 Workpiece mounted in the steady rest 5 Loosen the three leaf screws so the finger roller positions can be adjusted 6 Usethe finger adjustment knobs to position Figure 61 Steady rest components the bottom two finger rollers against the workpiece as shown in the example of To install and use the steady rest Figure 62 1 DISCONNECT LATHE FROM POWER 7 Close the steady rest then use the finger adjustment knobs to adjust all three finger rollers so that they just touch the workpiece without causing deflection 2 Thoroughly clean all mating surfaces then place the steady rest base on the bedways so the triangular notch fits over the bedway poses Note The finger rollers should properly support the workpiece along the spindl
87. e end gear cover 3 Remove the fill cap on top of the headstock to allow the oil to drain more freely 4 Place the catch pan under the headstock drain plug see Figure 107 then remove the plug and allow all of the oil to drain out 5 Replace the drain plug and clean up any oil that spilled Tip To make this task easier in the future replace the drain plug with a small pipe extension and cap Make sure that this assembly does not interfere with properly securing the end gear cover 6 Add oil to the headstock reservoir until the sight glass is halfway full 7 Replace the end gear cover before re connecting the power 67 16 Speed Gearhead Lathe Al i I Al E For Machines Mfg Since 3 11 Quick Change Gearbox Oil Type Mobil Vactra 2 or ISO 68 Equivalent Oil Amount 1 4 Quarts Check Add Daily Change Frequency Annually Checking Oil Level The quick change gearbox has the proper amount of oil when the sight glass shown in Figure 108 is halfway full THREAD AND FEED CHART awe Gearbox Oil Sight Glass Figure 108 Location of quick change gearbox oil sight glass Adding Oil Remove the quick change gearbox fill plug see Figure 109 then add the oil until the level is approximately halfway in the gearbox oil sight glass Figure 109 Locations of the quick change
88. e gearbox and apron oil reservoirs must have the proper amount of oil in them before the lathe can be operated for the first time Damage caused to the bearings and gears from running the lathe without oil in the reservoirs will not be covered under warranty Refer to the Lubrication section beginning on Page 67 for details on how to check and add oil 25 16 Speed Gearhead Lathe In addition to the reservoirs we also recommend that you lubricate all other points on the machine at this time This can be accomplished by following the maintenance schedule on Page 65 Note If this lathe was shipped with oil in the reservoirs do not change that oil until after the test run and break in procedures Adding Coolant Add the coolant of your choice now For detailed instructions on where the coolant tank is located and how to add fluid refer to Coolant System Service subsection on Page 72 Power Connection After you have completed all previous setup instructions and circuit requirements the machine is ready to be connected to the power supply Model SB1053 Connect a power cord that meets the Circuit Requirements on Page 18 as instructed later in this subsection Attach a locking NEMA L15 30 plug as directed by the plug manufacture and insert it into a matching receptacle that is connected to a circuit that meets the requirements listed on Page 18 NOTICE When removing the plug from the receptacle grasp i
89. e spindle speed lever shown in Figure 73 Figure 73 Spindle speed controls The spindle speed and range levers control the gear configuration in the headstock to produce the selected spindle speed The spindle range lever selects speeds in the low or high range to be available for the spindle speed lever The spindle speed lever selects one of the speeds available in the active spindle speed range NOTICE Never change spindle speeds while spindle is moving Severe machine damage will occur 59 OPERATION For Machines Mfg Since 3 11 Configuration Examples Use the following examples to better understand how to read the spindle speed chart and configure the controls for the correct speed Example 1 Spindle Speed of 40 RPM 1 Make sure the spindle is completely stopped and the spindle ON OFF lever is in the OFF middle position 2 Turn the motor switch to the LOW left position This will make the speeds in the top row of the spindle speed chart available see Figure 74 Low Motor Speed Makes Top Row Available e n BEE BBE EE EEE INE IN LUN mu Do NOT CHANGE E 1 E E 40 60 100 165 245 375 625 1000 5 IS ROTATING mmm AAP 35 Oe AMD Figure 74 low motor speed makes the spindle speeds in the top row of the chart available 3 Move the spindle range lever so that the indicator points to the upper line see
90. e the end gear cover remains installed whenever possible to keep the gears free of dust or debris from the outside environment South Bend Lathe Co Lubricating 1 2 DISCONNECT LATHE FROM POWER Remove the end gear cover and all the end gears shown in Figure 117 Clean the end gears thoroughly with mineral spirits to remove the old grease Use a small brush if necessary to clean between the teeth Clean the shafts and wipe away any grease splatters in the vicinity and on the inside of the headstock cover With a clean brush apply a thin layer of grease on the gears Make sure to get grease between the gear teeth but do not fill the teeth valleys Install the end gears and mesh them together with an approximate 0 002 backlash Once the gears are meshed together apply a small dab of grease between them where they mesh together this grease will be distributed when the gears rotate and re coat any areas scraped off during installation 71 16 Speed Gearhead Lathe ry T N i I zl N ry N E For Machines Mfg Since 3 11 Coolant System Service The coolant system consists of a fluid tank pump and flexible nozzle The pump pulls fluid from the tank and sends it to the valve which controls the flow of coolant to the nozzle As the fluid leaves the work area it drains back into the tank through the chip drawer and catch tray where the swarf is screened out Use Figure 118 to identify the locati
91. ed Gearhead Lathe Test Run After all preparation steps have been completed the machine and its safety features must be tested to ensure correct operation If you discover a problem with the operation of the machine or its safety components shut the machine down disconnect it from power and do not operate it further until you have resolved the problem A Troubleshooting section is provided starting on Page 86 to assist you with solutions if a problem occurs or if the lathe does not function as described in this section If you need additional help after reviewing the troubleshooting section or you are not confident troubleshooting the machine on your own contact our tech support at 360 734 1540 To test run your machine 1 Read and follow the safety instructions at the beginning of the manual take all required safety precautions and make sure all previous preparation steps discussed in this manual have been followed and completed 2 Clear away all tools and objects used during assembly lubrication and preparation 3 Make sure the master power switch shown in Figure 28 is turned OFF Master Power Switch Figure 28 Location of the master power switch PREPARATION For Machines Mfg Since 3 11 4 DISCONNECT LATHE FROM POWER 5 Make sure that the chuck and jaws if installed are secure refer to Chuck Installation on Page 35 then lower the chuck guard 6 Turn the coolant
92. ed firmly see Figure 133 Tools Needed Oty p s Phillips Screwdriver 2 1 no OX 7 Open End Wrench 24 1 er To adjust the V belts LJ Tras 1 DISCONNECT LATHE FROM POWER 4 2 Remove the motor covers shown in Figure 132 Figure 133 V belt adjustment 4 Tighten the hex nuts against the both sides of the motor mount plate to prevent it from moving out of adjustment during operation Headstock then re install the motor covers Figure 132 Locations of motor covers 80 South Bend Lathe Co For Machines Mfg Since 3 11 E RV 14 o 16 Speed Gearhead Lathe Bra ke amp Switch 5 Remove the pedal stop shown in Figure 135 As the brake lining wears the foot pedal develops more travel If the brake band is not adjusted to compensate for normal wear the limit switch will still turn the lathe off but the spindle will not stop as quickly It is especially important that the brake is kept properly adjusted so you can quickly stop the spindle in an emergency Tools Needed Oty Phillips Screwdriver 1 Hex Wrench 1 sm 3 To adjust the brake and brake switch Figure 135 Brake adjustment components 1 DISCONNECT LATHE FROM POWER 6 Move the brake band over one hole to the right re install the pedal stop then re
93. em consists of an adjustable collar on the feed rod a stop plate on the apron and the feed rod clutch see Figure 69 The collar can be secured anywhere along the feed rod When the stop plate contacts the collar the feed rod clutch disengages the feed rod and stops carriage movement Note This system only works when the carriage is engaged with the feed rod it cannot be used to stop the carriage if it is engaged with the leadscrew n Stop E Figure 69 Adjustable feed rod stop NOTICE The adjustable feed stop system will only stop carriage movement if the carriage is engaged with the feed rod When the carriage is engaged with the leadscrew for threading operations the adjustable feed stop system WILL NOT stop carriage movement you must use the half nut lever instead Otherwise the carriage can crash into the chuck or if it contacts the stop the leadscrew shear pin will break Before doing any threading operations make sure to loosen the feed stop collar so it slides freely on the feed rod and will not interfere with carriage travel 50 OPERATION For Machines Mfg Since 3 11 Micrometer Stop The micrometer stop used to limit carriage travel for production runs or make final adjustments to the carriage position To ensure accuracy with repeatable operations the operator must ensure that carriage contact is done in a soft and careful manner The micrometer stop s
94. en uses the spindle ON OFF lever to start spindle rotation 10 Uses the carriage handwheels or power feed options to move the tooling into the workpiece for operations When finished cutting moves the spindle ON OFF lever to the OFF position presses the foot brake to completely stop the spindle then removes the workpiece 33 South Bend Lathe Co 16 Speed Gearhead Lathe Chuck amp Faceplate Mounting This lathe is equipped with a D1 type spindle nose This type of spindle uses camlocks to securely mount a chuck or faceplate with repeatable precision and ease AWARNING Never use spindle speeds faster than the chuck RPM rating or the safe limits of your workpiece Excessive spindle speeds greatly increase the risk of the workpiece or chuck being thrown from the machine with deadly force This lathe ships with the 3 jaw chuck installed This is a scroll type chuck where all three jaws move in unison when the chuck key is used The included 4 jaw chuck features independent jaws which are used for square or unevenly shaped stock and to mount work that needs to be adjusted to near zero total indicated runout If neither chuck can hold your workpiece the cast iron faceplate has slots for T bolts that hold standard or custom clamping hardware With the correct clamping hardware this faceplate will hold non cylindrical parts The chucks and faceplate have a D1 6 camlock mount A chuck key is used to
95. es with a rubber or wooden mallet and turn the handwheel slowly back and forth until the handle turns freely then try again Remember to retighten the four cap screws when you are finished Cap Screws Figure 122 Cross slide backlash adjustment screws 16 Leadscrew End Play Adjustment Over time the leadscrew may develop a small amount of end play This can be easily corrected by following this procedure Tools Needed Oty Hex Wrench 3mm 4 14 1 Hex Wrench 5mm eene 1 Wrench 24mm eet terere ene tete 1 To remove leadscrew end play 1 DISCONNECT LATHE FROM POWER 2 Remove the end cover on the right side of the lathe to access the leadscrew end nut 3 Loosen the two set screws in the leadscrew end nut see Figure 123 be Leadscrew End 2 Nut amp Set Screws Figure 123 Leadscrew end nut 4 Engage the half nut with the leadscrew 5 Rotate the carriage handwheel back slightly and tighten the end nut at the same time until the end play is removed 6 Retighten both set screws and replace the end cover South Bend Lathe Co For Machines Mfg Since 3 11 E RV 16 Speed Gearhead Lathe Gib Adjustment The goal of adjusting the gib screws is to remove sloppiness or play from the ways without over adjusting them to the point where they become stiff and difficult to move In general loose gibs cause poor finishes an
96. etails of the problem you are having Thank you for your business and continued support South Bend Lathe Co South Bend Lathe Co P O Box 2027 Bellingham WA 98227 PHONE 360 734 1540 Administrative Offices FAX 360 676 1075 International FAX 360 734 1639 USA only southbendlathe com Printed In U S A TRBLCRJBTS14030
97. ev HG 1 n 1 Number of Cross Feeds Range of Cross Feeds 0 001 0 034 in rev Number of Inch Threads Range of Inch Threads Number of Metric Threads Range of Metric Threads Number of Modular Pitches Range of Modular Pitches 2 72 TPI 2 1722 PAL 0 2 14 mm 0 2 14 mm 0 3 3 5 MP 0 3 3 5 MP 2 72 TPI ce 0 2 14 mm 92 oo 0 3 3 5 MP 21 N Number of Diametral Pitches Number of Metric Threads 39 8 44 DP 8 IDE Se 63 58 in 5 16 4 5 16 in TESTIS Range of Diametral Pitches 8 44 DP Dimensions Bed Width Leadscrew Diameter Leadscrew TPI Leadscrew Length 10 1 4 in 1 1 8 in 4 63 58 in 5 16 4 5 16 in 5 8 3 1 8 in 12 in 3 4 in 42 in 43 1 2 in Steady Rest Capacity Follow Rest Capacity Faceplate Size Feed Rod Diameter Floor to Center Height Height With Leveling Jacks South Bend Lathe Co 11 16 Speed Gearhead Lathe INTRODUCTION For Machines Mfg Since 3 11 Model Number 81053 SB1054F Construction 5227 Cast Iron Headstock Gears Flame Hardened Steel Flame Hardened Steel Flame Hardened Steel Meehanite Castings with Induction Hardened Ways Cast Iron Urethane Taiwan Some Taiwan Some Taiwan Some Country of Origin Components Made in Components Made in Components Made in USA amp Japan USA amp Japan USA amp Japan 1 Year ID Label on Rear Side of I
98. ew is suitable for turning then mounts the it is not intended to be an instructional guide workpiece in one of the chucks or on the for performing actual machine operations faceplate and removes the chuck key from To learn more about specific operations and the chuck machining techniques seek training from people experienced with this type of machine and do 3 Mounts the tooling aligns it with the additional research outside of this manual by workpiece then backs it away to establish a reading how to books trade magazines or websites safe startup clearance 4 Clears all setup tools from the lathe AWARNING To reduce the risk of Checks for safe clearances by rotating the workpiece by hand at least one full revolution serious injury when using this machine read and understand this entire 6 manual before beginning any operations Moves slides to where they will be used during operation 7 Sets the correct spindle speed for the AWARNING Loose hair clothing or jewelry could get caught in machinery and cause serious injury or death Keep these items away from moving parts at all times to reduce this risk AWARNING During operation small 11 metal chips may become airborne leading to serious eye injury Wear safety glasses to reduce this risk 8 If using power feed selects the proper feed rate for the operation 9 Turns the master power switch ON resets the STOP button th
99. for CNC lathes and high speed turning e Waterproof design e 60 centers Figure 101 Model SB1239 High Performance Live Center 5 1243 4 Long Nose High Performance Live Center 63 16 Speed Gearhead Lathe ACC ESS D R ES For Machines Mfg Since 3 11 SB1247 MT 4 Bull Nose Center e Cr Mo steel hardened to HRC60 1 e Taper roller amp ball bearing construction e Great for turning pipes Figure 102 SB1247 MT4 Bull Nose Center SB1269 Taper Attachment This taper attachment mounts quickly to the back bed way of your lathe Accurate tapers of up to 12 can be produced without repositioning the attachment having to offset the tailstock or disengaging the cross slide nut The Model SB1269 features scales at both ends reading inches per foot and degrees An angle adjusting knob with fine threads achieves exacting control when setting tapers 64 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 Figure 104 Antique finished South Bend shop clocks SB1251 Heavy Duty Oak Tool Chest Proudly made in t
100. ght claim so save the containers and all packing materials for possible inspection by the carrier or its agent Inventory Main Inventory 1 Figure 13 Qty A Steady Rest 11402 1 B 12 Faceplate w D1 6 Camlock Stud Set 1 3 Jaw Chuck Key e 1 D Model SB1228 10 Four Jaw Chuck w Combo JAWS eee 1 E 4 Jaw Chuck Key Clamped on Lathe 1 F Tool Post T Wrench Clamped on Lathe 1 Follow Rest Assembly Installed 1 Tool Box Inventory Figure 14 Oty H Tool Ger PEE 1 I Open End Wrench 22 24mm 1 J Open End Wrench 14 17 1 Open End Wrench 10 12mm 1 L Phillips Screwdriver 2 1 M Standard Screwdriver 2 1 Carbide Tipped Dead Center 4 1 Figure 14 Toolbox inventory Dead Center 4 1 P Tapered Spindle Sleeve MT 6 4 1 Q Carriage Handwheel Handle 1 Cross Slide Handwheel Handle 1 S Hex Wrench Set 1 5 10mm 1 T Hex Wrench 10mm eene 1 U Cast Iron secrete tation 8 Installed amp Not Shown Oty e SB1309 9 3 Jaw Chuck SB1053 1 e 5 1310
101. h 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 take the oldest and most important type of machine tool and carry on the tradition As the operator of a South Bend Lathe you now join the ranks of some very famous and important customers such as Henry Ford who used the machines he purchased to help him change the world Capabilities This 16 Speed Toolroom Lathe is built for daily use in a busy industrial setting Loaded with many nice features and high precision parts this lathe excels at making fine tools dies thread gauges jigs and precision test gauges however it is by no means delicate Thick castings heavy weight and quality construction throughout provide the necessary brawn for demanding production and manufacturing tasks Features This 16 Speed Gearhead Lathe is packed with standard features and equipment such as a complete coolant system easy to clean chip drawer one shot way lubrication system included steady and follow rests chuck guard adjustable work lamp foot brake powered cross feed 3 and 4 jaw chucks and faceplate Models SB1054F and SB1055F also feature a Fagor 2 axis 201 DRO Spindle speeds are controlled by a 2 speed motor and convenient headstock levers which allow t
102. he reservoir Figure 94 Position for or 34 fractional TPI 27 TPI The thread dial is not used for 27 threading or metric threading see Figure 95 The half nut must stay engaged with the leadscrew throughout the entire threading operations Chip Thread Dial Drawer Not Used Figure 96 Chip drawer CAUTION If pulled out quickly and more than halfway Figure 95 Half nut stays engaged for 2 the drawer could fall out and hit your legs and feet causing serious injury Therefore open the drawer slowly and avoid opening it more than halfway South Bend Lathe Co 61 16 Speed Gearhead Lathe OPERATION For Machines Mfg Since 3 11 Coolant System AWARNING When the coolant pump switch is turned ON the i BIOLOGICAL amp POISON fluid is delivered through the nozzle attached to 4 HAZARD the carriage The flow is controlled by the valve Use the correct personal lever at the base of the nozzle see Figure 97 lt protection equipment when handling coolant Follow federal state and fluid Nozzle 4 gt manufacturer requirements for proper disposal NOTICE Running the pump without adequate fluid in the coolant tank may permanently damage it which will not be covered under warranty Coolant Pump Switch a 7 4 To use the coolant system on your lathe 1 Make sure the coolant tank is properly serviced and fil
103. he operator to quickly set the spindle speed within the available range of 40 2000 RPM Bed ways are constructed with Meehanite castings that are precision hardened and ground in the traditional 3 V prismatic design long used on South Bend Lathes for accuracy durability and rigidity Headstock features quick change gear controls and an adjustable clutch mechanism that can be set to disable the feed rod to prevent crash damage Spindle is a D1 6 camlock type with an MT 6 taper and 246 bore Tailstock quill has an MT 4 taper and offers 6 of travel Finally to ensure long lasting accuracy in the most demanding shops the spindle is equipped with Japanese NTN bearings 16 South Bend Precision Toolroom Lathe Circa 1958 South Bend Lathe Co 3 16 Speed Gearhead Lathe INTRODUCTION For Machines Mfg Since 3 11 General Identification South ae outh Bend L EN Figure 1 General identification Model SB1054F shown A Headstock K Tailstock B D1 6 Camlock 6 Spindle L Longitudinal Leadscrew C Chuck Guard w Safety Switch M Feed Rod D Steady Rest N Coolant Tank amp Pump Access E Follow Rest O Carriage F Halogen Work Lamp P Brake Pedal 4 Way Tool Post O Chip Drawer H Fagor 2 Axis DRO SB1054F amp SB1055F R Micrometer Stop only S Spindle Motor 2 Speed Switch Compound Rest T Quick Change Gearbox Controls Coolant Nozzle amp Valve U Headst
104. he South Bend tradition this heavy duty oak tool chest will safeguard your finest tools for may years of dependable service Solidly constructed with mortis and tenon joinery this tool chest features a locking top lid and front panel and 13 drawers of various sizes Seven drawers even have removable dividers for organizing and protecting tools and tooling drawers and the top compartment are felt lined for added protection The front panel secures all drawers when the top lid is latched or locked and neatly slides under the bottom drawer when accessing the drawers All hardware is brass including the heavy duty side handles Figure 105 Model SB1251 Oak Tool Chest South Bend Lathe Co For Machines Mfg Since 3 11 h 3 N 4 E 16 Speed Gearhead Lathe Maintenance Schedule AWARNING Always disconnect power to the machine before performing maintenance Failure to do this may result in electrocution or accidental startup injury Each operator of this machine is responsible for ensuring proper care of the equipment We strongly recommend all operators make a habit of following the daily maintenance procedures For optimum performance from this machine this maintenance schedule must be strictly followed Use the chart provided on Page 66 to ensure this is done Ongoing To maintain a low risk of injury and proper machine operation if you ever observe any of the items below shut d
105. he to full loads it is essential to complete the spindle break in process as described below This will ensure the best results and maximum life of the precision components inside the lathe The break in procedure must be performed in succession with the Test Run procedure described in this manual because many of the test run steps prepare the lathe controls for the break in process Important Do not perform the break in procedure independently from the Test Run section serious damage could occur to the lathe if the controls are set incorrectly when the break in procedure is started NOTICE Do not leave the lathe unattended during the Spindle Break In procedure If your attention is needed elsewhere during this procedure stop the lathe and restart the procedure later from the beginning To perform the spindle break in 1 Successfully complete the Test Run procedure beginning on Page 28 2 Setthe spindle speed for 40 RPM refer to the Setting Spindle Speed subsection on Page 51 for detailed instructions 3 Runthe lathe for 10 minutes 4 Turn the lathe OFF and wait until the spindle is completely stopped 5 Repeat Steps 2 4 for each of the remaining 15 spindle speeds 32 PREPARATION For Machines Mfg Since 3 11 6 Set the spindle speed to 40 RPM and let the lathe run for a final 15 minutes to allow it to cool down then turn the lathe OFF 7 Change the oil in the headstock quick change
106. height not at centerline Too much play in gibs Quill is not retracted all the way back into the tailstock Contaminants not removed from taper before inserting into quill Gibs are out of adjustment Handwheel is loose or backlash is high Leadscrew mechanism worn or out of adjustment Dovetail slides loaded with shavings dust or grime Gib screws are too tight Backlash setting too tight cross slide only Bedways are dry Tool holder not tight enough Cutting tool sticks too far out of tool holder lack of support Gibs are out of adjustment Dull cutting tool Incorrect spindle speed or feed rate TROUBLESHOOTING 16 Speed Gearhead Lathe Possible Solution Re install workpiece as centered with the spindle bore as possible Re tension replace the V belt s as necessary see Page 80 Align the V belt pulleys Inspect gears and replace if necessary Re balance chuck or faceplate contact a local machine shop for help Adjust gears and establish backlash Replace broken gear or bearing Stop lathe immediately and correct interference problem Reset spindle bearing preload or replace worn spindle bearings Adjust for appropriate spindle speed and feed rate Sharpen tooling or select a better tool for the intended operation Adjust tool height to centerline see Page 49 Tighten gibs see Page 77 Turn the tailstock handwheel until it forces the tapered tool out of quill Clean
107. her use the included foot pads and leveling hardware or bolt and shim your lathe to the floor Because mounting your lathe to the floor with permanent hardware is an optional step and floor materials may vary floor mounting hardware is not included Leveling NOTICE For accurate turning results and to prevent warping the cast iron bed and ways the lathe bedways MUST be leveled from side to side and from front to back on both ends Re check the bedways 24 hours after installation two weeks after that and then annually to make sure they remain level Leveling machinery helps precision components such as bedways remain straight and flat during the lifespan of the machine Components on a machine that is not level may slowly twist due to the dynamic loads placed on the machine during operation For best results use a precision level that is at least 12 long and sensitive enough to show a distinct movement when a 0 003 shim approximately the thickness of one sheet of standard newspaper is placed under one end of the level See the figure below for an example of a high precision level Figure 21 Example of a precision level South Bend Lathe Co For Machines Mfg Since 3 11 To level the machine use a precision level to make sure the bedways are level from side to side and from front to back If using the included leveling pads see Figure 22 place them under the six leveling jack bol
108. hine Oll es As needed South Bend Lathe Co For Machines Mfg Since 3 11 E RV o 16 Speed Gearhead Lathe To replace the shear pin 1 DISCONNECT LATHE FROM POWER 2 Remove the clutch front and side covers see Figure 139 Side Cover Removed From Here Clutch Front Cover Figure 139 Location of clutch front cover side cover removed for photo clarity 3 Rotate the shroud washer on the leadscrew see Figure 140 so that the cutout lines up with the shear pin head Shear Pin Shroud Figure 140 Shroud washer and shear pin alignment 4 Put on safety glasses NOTICE If you fabricate your own shear pin make sure to use the material and dimensions specified in Figure 138 Otherwise the shear pin may not provide the intended protection and lathe damage could result South Bend Lathe Co 5 Move the retaining ring shown in Figure 141 away from the shroud washer then move the shroud washer away from the shear pin and against the retaining ring This will create room for you to remove the shear pin m Ring Figure 141 Shear pin access Use the magnet to remove the shear pin head Rotate the lathe spindle to line up the inner and outer bores as shown in Figure 142 and use the magnet to remove the other half of the broken shear pin Inner Bore s Outer Bore hi Y 83 16
109. hines Mfg Since 3 11 End Gears 505 15 4 SIN iW 2 REF PART DESCRIPTION REF PART DESCRIPTION 501 PCAPO2M CAP SCREW MO 1X 20 5 1055051 THRUST WASHER 51 506 _ PRIGGW B B16 57 516 510 112 South Bend Lathe Co p p P P P P pP 2 5 7 e E 9 SB K2 SB SB For Machines Mfg Since 3 11 16 Speed Gearhead Lathe Spindle Motor Assembly South Bend Lathe Co 113 16 Speed Gearhead Lathe RU 5 For Machines Mfg Since 3 11 Spindle Motor Assembly Parts List REF PART DESCRIPTION REF PART DESCRIPTION 601 PSB10530601 END GEAR COVER ALIGNMENT 619 5 1054 0619 5 REAR MOTOR BEARING SBIO54F 55F HEX NUTMIO 15 608 rwoaw FLAT WASHER TOW 04 25510650604 505 607 209 0 an 6 10550952 6T0D FT M6 2X170 65 Pcap45M_ CAP SCREW M8 1 25 X 45 FLAT WASHER 16MM amp 6 G18 _ FSB10560618 er _ F5B10660019 Ge 55 ELAT WASHER 66 2 2551055066 292 CAP 9129 20 553 7551055065 POW FLAT WASHER 616 5 0 619 4 05306
110. his manual to identify hazard levels are defined as follows harm WILL occur AWARNING harm COULD occur Death or catastrophic Death or catastrophic Moderate injury or fire MAY occur CAUTIO NOTICE Machine or property damage may occur Basic Machine Safety Owner s Manual All machinery and machining equipment presents serious injury hazards to untrained users To reduce the risk of injury anyone who uses THIS item MUST read and understand this entire manual before starting Personal Protective Equipment Operating or servicing this item may expose the user to flying debris dust smoke dangerous chemicals or loud noises These hazards can result in eye injury blindness long term respiratory damage poisoning cancer reproductive harm or hearing loss Reduce your risks from these hazards by wearing approved eye protection respirator gloves or hearing protection South Bend Lathe Co Trained Supervised Operators Only Untrained users can seriously injure themselves or bystanders Only allow trained and properly supervised personnel to operate this item Make sure safe operation instructions are clearly understood If electrically powered use padlocks and master switches and remove start switch keys to prevent unauthorized use or accidental starting Guards Covers Accidental contact with moving parts during operation may cause severe entanglement impact cutting or c
111. hould never be used as a stop for power feeding operations NOTICE The micrometer stop is not designed to stop carriage movement when the leadscrew or feed rod is engaged doing so may damage the micrometer stop or lathe components Tools Needed Oty Hex Wrench 8mm 1 Graduated Dial Increments ette ceret tenore erre nne 0 001 One Full Revolution eee 0 050 To set the micrometer stop 1 DISCONNECT LATHE FROM POWER 2 Loosen the cap screws shown in Figure 70 then use the carriage handwheel to position the carriage and cutting tool at the desired stopping point Cap Screws Stop Rod Graduated Dial Figure 70 Micrometer stop 3 Move the micrometer stop up to the carriage use the graduated dial to fine tune the position then retighten the cap screws loosened in Step 2 4 Verify that tooling will not make contact with chuck jaws or other components South Bend Lathe Co For Machines Mfg Since 3 11 Manual Feed The handwheels shown in Figure 71 and described below allow the operator to manually move the cutting tool m Cross siad Handwheel sECompound Rest 8 Handwheel Figure 71 Carriage Controls Carriage Handwheel The carriage handwheel moves the carriage left or right along the bed It has a graduated dial with 0 01 increments and one full revolution moves the carriage 0 80 Cr
112. ical components or performing any wiring tasks Wire Connections connections must be tight to prevent wires from loosening during machine operation Double check all wires disconnected or connected during any wiring task to ensure tight connections Modifications Using aftermarket parts or modifying the wiring beyond what is shown in the diagram may lead to unpredictable results including serious injury or fire Motor Wiring The motor wiring shown in these diagrams is current at the time of printing but it may not match your machine Always use the wiring diagram inside the motor junction box 5 Circuit Requirements Connecting the machine to an improperly sized circuit will greatly increase the risk of fire To minimize this risk only connect the machine to a power circuit that meets the minimum requirements given in this manual Capacitors Inverters Some capacitors and power inverters store an electrical charge for up to 10 minutes after being disconnected from the power source To reduce the risk of being shocked wait at least this long before working on capacitors Wire Component Damage Damaged wires or components increase the risk of serious personal injury fire or machine damage If you notice that any wires or components are damaged while performing a wiring task replace those wires or components before completing the task Experiencing Difficulties If you are experiencing difficulties understa
113. ility and proximity of the required power supply circuit If an existing circuit does not meet the requirements for this machine a new circuit must be installed To minimize the risk of electrocution fire or equipment damage installation work and electrical wiring must be done by a qualified electrician in accordance with all applicable codes and standards AWARNING Serious injury could occur if you connect the machine to power before completing the setup process DO NOT connect to power until instructed later in this manual Full Load Current Rating The full load current rating is the amperage a machine draws at 100 of the rated output power On machines with multiple motors this is the amperage drawn by the largest motor or sum of all motors and electrical devices that might operate at one time during normal operations SB1053 Full Load Rating 20 3 Amps SB1054F Full Load Rating 10 15 Amps SB1055F Full Load Rating 10 23 Amps The full load current is not the maximum amount of amps that the machine will draw If the machine is overloaded it will draw additional amps beyond the full load rating If the machine is overloaded for a sufficient length of time damage overheating or fire may result especially if connected to an undersized circuit To reduce the risk of these hazards avoid overloading the machine during operation and make sure it is connected to a power supply
114. ines or get formal training before doing any threading projects Setting Threading Controls The threading charts on the headstock face display the settings for metric inch modular and diametral threading For inch or metric threads use the standard end gear configuration For modular or diametral threads use the alternate configuration Use the controls on the lathe and follow along with the example below to better understand how to set up the lathe for the desired threading operation Example Metric Thread Width of 2 5mm 1 Make sure the end gears are in the standard configuration which is used for all metric threading refer to End Gears on Page 56 for detailed instructions 2 Locate the line in the metric thread chart that lists the setting for 2 5mm threads as illustrated in Figure 86 2 2 20 LCR1Y 225 LCT2Z 25 LTCSZ LCR6Y 3 LTC6Z LCR8Y 35 82 HCR3Z 4 16 12 HCS2Y 45 1SCOZ HCS37 Figure 86 Metric thread chart with a width of 2 5 mm highlighted 58 OPERATION For Machines Mfg Since 3 11 3 The configuration string of characters to the right of the selected thread pitch LCR3Y displays the positions to set the threading controls for a metric thread width of 2 5mm Note In the next step use the chuck key to rock the spindle back and forth to help mesh the gears as you make adjustments 4 Position the controls as directed by the configuration
115. ing with an 4 taper Moves toward and away from the spindle F Tailstock Offset Screw Adjusts and secures the tailstock offset 1 of 2 G Gib Adjustment Screw Adjusts the tailstock gib that controls side to side movement 1 of 2 H Offset Scale Indicates the distance of tailstock offset from the spindle centerline The scale increments are arbitrary Foot Brake This lathe is equipped with a foot brake see Figure 10 to quickly stop the spindle instead of allowing it to coast to a stop on its own Pushing the foot brake while the spindle is ON also cuts power to the motor After the foot brake is used the spindle ON OFF lever must be returned to the OFF middle position to reset the spindle switches which will enable spindle rotation Figure 10 Foot brake and spindle ON OFF lever 8 South Bend Lathe Co For Machines Mfg Since 3 11 INTRODUCTION Product Specifications Box 2027 Bellingham WA 98227 U S A PHONE 360 734 1540 South Bend Lathe Co www southbendlathe com 16 Speed Gearhead Lathe MODEL SB1053 SB1054F SB1055F 16 SPEED GEARHEAD LATHES SB1054F 5 1055 Ell 86 x 32 3 4 x 49 in 105 1 2 x 32 3 4 x 49 in 82 x 19 1 2 in 102 x 19 1 2 in Wood Slat Crate Wood Slat Crate 3344 lbs 3652 lbs Model Number Product Dimensions Weight Width side to side Depth front to back Height Foot Print Width Depth Shipping Dimensions
116. ional and cutting forces that will be applied to the workpiece when clamping it to the faceplate If necessary use counter weights to balance the assembly Figure 45 Example photo of workpiece clamped in a faceplate Tailstock The tailstock see Figure 46 is typically used to support long workpieces by means of a live or dead center refer to Centers on Page 43 It can also be used to hold a drill or chuck to bore holes in the center of a part Custom arbors and tapers can also be cut on your lathe by using the offset tailstock adjustment OPERATION 16 Speed Gearhead Lathe Tailstock Lock Lever Tailstock Handwheel V Figure 46 Tailstock quill lock levers in locked position Graduated Dial 0 001 One Full Revolution een 0 100 Increments on Quill 0 6 in Increments Metric siiis 0 160mm in 1mm Increments Positioning Tailstock 1 Pullthe tailstock lock lever backward away from the spindle to unlock the tailstock from the bedway 2 Slide the tailstock to the desired position 3 Push the tailstock lock lever forward toward the spindle to lock the tailstock against the bedway Using Ouill 1 Release the quill lock lever 2 Turn the tailstock handwheel clockwise to move the quill toward the spindle or counterclockwise to move it away from it 3 Push the quill lock forward to lock the quill i
117. is now set up for a power feed rate of 0 18mm per spindle revolution 56 OPERATION For Machines Mfg Since 3 11 End Gears The end gears on the side of the headstock can be setup for the standard or alternate configuration depending upon the type of operation to be performed The lathe is shipped with the end gears in the standard configuration To access the end gears remove the end gear cover from the left side of the headstock Standard End Gear Configuration Use the standard end gear configuration see Figure 83 for inch threading metric threading and all general feed operations Inch and Metric Fitch Threading AM Inch and Metric Feeding Figure 83 End gears in the standard configuration South Bend Lathe Co For Machines Mfg Since 3 11 OPERATION 16 Speed Gearhead Lathe Alternate Configuration 4 Loosen the pivot arm hex nut shown in Figure 85 then swing the pivot arm to the Use the alternate end gear configuration when left so that 44T 56T gears are away from the cutting modular or diametral threads as 57T Hand tighten the h ito illustrated in Figure 84 the arm in place NOTICE As you remove and replace end gears use a stiff brush and mineral spirits to clean NN Modular and Diametral Fitch Turning away the debris and grime from them then re lubricate them as instructed in End Gears on Page 71 5 Making sure to keep the shaft key firmly seated
118. kpiece or it may become difficult to remove later and it will result in excessive friction and heat which may damage the workpiece and center Removing Center from Tailstock To remove the center from the quill hold onto it with a gloved hand or shop rag then rotate the tailstock handwheel counterclockwise to draw the quill back into the casting until the center releases If the center does not come loose by retracting the quill extend the quill to expose the slot shown in Figure 59 then use a drift key to remove the center A SS pe Drift Key Slot Figure 59 Drift key slot the side of the quill South Bend Lathe Co OPERATION 16 Speed Gearhead Lathe Mounting Workpiece Between Centers 1 DISCONNECT LATHE FROM POWER 2 Drill center holes in both ends of the workpiece 3 Install a dead center in the spindle with a lathe dog and a chuck or faceplate then install a live center or carbide tipped dead center in the tailstock 4 Lubricate the workpiece center holes then mount the workpiece between the centers and hold it in place with light pressure from the tailstock center 5 Seat the center firmly into the quill by rotating the tailstock handwheel clockwise to apply pressure against the workpiece see the example in Figure 60 Only apply enough pressure to securely mount the workpiece between centers Avoid over tightening the center against the workpiece or it may becom
119. le used for setting the cutting tool to a specific angle Graduated Dial 4 02222 0 001 0 02mm One Full Revolution 0 100 2 54mm Tool Needed Oty Wrench l4mmn 1 To set the compound rest at certain angle 1 Loosen the two hex nuts at the base of the compound rest 1 of 2 shown in Figure 65 Ji Compou Figure 65 Compound rest 2 Rotate the rest to the desired angle as indicated by the scale at the base then retighten the two hex nuts Tip The first time you set the angle of the compound rest for cutting threads mark the location on the cross slide as a quick reference point This will allow you to quickly return the compound rest to that exact angle the next time you need to cut threads 48 OPERATION For Machines Mfg Since 3 11 Four Way Tool Post The four way tool post is mounted on top of the compound rest and allows a maximum of four tools to be loaded simultaneously Each tool can be quickly indexed to the workpiece by loosening the top handle rotating the tool post to the desired position then re tightening the handle to lock the tool into position Installing Tool Tool Needed Tool Post e 1 To load the tool post 1 Adjust the tool post bolts so that the cutting tool can fit underneath them see Figure 66 Tool Fost a Bolt Cutting Tool Figure 66 Exa
120. lean the rust preventative from the gears and shafts DO NOT get any cleaner or rust preventative on the V belts as it could damage them or make them slip during operations If the belts do become contaminated replace them South Bend Lathe Co 21 16 Speed Gearhead Lathe Location Physical Environment The physical environment where your machine is operated is important for safe operation and longevity of parts For best results operate this machine in a dry environment that is free from excessive moisture hazardous or flammable chemicals airborne abrasives or extreme conditions Extreme conditions for this type of machinery are generally those where the ambient temperature is outside the range of 41 104 F the relative humidity is outside the range 20 95 non condensing or the environment is subject to vibration shocks or bumps Electrical Installation Place this machine near an existing power source Make sure all power cords are protected from traffic material handling moisture chemicals or other hazards Make sure to leave access to a means of disconnecting the power source or engaging a lockout tagout device Lighting Lighting around the machine must be adequate enough that operations can be performed safely Shadows glare or strobe effects that may distract or impede the operator must be eliminated PREPARATION For Machines Mfg Since 3 11 Weight Load Refer to the Machine Spe
121. led with the appropriate fluid and that you are wearing the necessary personal protection equipment Figure 97 Coolant system controls and components Always use high quality coolant and follow the manufacturer s instructions for diluting The quick reference table shown in Figure 98 can help you select the appropriate fluid 2 Position the coolant nozzle for your operation 3 Usethe coolant pump switch on the control Refer to Coolant System Service on Page 72 panel totum thepump ON for detailed instructions on how to add or change fluid Check the coolant regularly and promptly change it when it becomes overly dirty or rancid or as recommended by the fluid manufacturer Adjust the flow of coolant by using the valve lever near the base of the nozzle hose Important Promptly clean any splashed fluid from the floor to avoid a slipping hazard Water Synthetic Sulferized Mineral Workpiece Soluble Oil Coolants oll Bronze Cast iron Low Carbon Steel Alloy Metals Stainless Steel General Note Coolants are used for heavy duty lathe operations and production turning Oil water emulsions and synthetic cutting fluids are the most common for typical lathe operations Sulferized oils often are used for threading For small projects spot lubrications can be done with an oil can or brush or omitted completely Figure 98 Coolant selection table 62 South Bend Lathe Co For Machines Mfg Sinc
122. lifting straps around the bottom of the 2x6 s Note The 2x6 s extend the lifting straps away from the bottom of the bed to prevent machine damage from excessive strap pressure against the leadscrew feed rod and spindle control rod Make sure to use them Cross Section View of Lifting Setup To Forklift or Lifting Hook Leadscrew Lathe Bed Feed Rod Spindle Control Rod 12 Long 2x6 Board Figure 18 Cross section of lifting setup 23 16 Speed Gearhead Lathe 6 Attach the lifting straps to the forklift forks or a hook and chain as shown in Figures 19 20 Forklift Forke 2x6 Board Lifting Hook with Chain 12 Long 2x6 Board 2x6 Board Figure 20 Lathe set up for lifting with hook and chain 7 Unbolt the lathe from the shipping pallet then with two other people to help keep the lathe from swaying raise it a couple of inches If the load is not well balanced or you see any other difficulties with the lifting equipment immediately lower the lathe to the pallet again Resolve any lifting or balancing issues then repeat this step 8 Lift the lathe enough to clear the shipping pallet and remove the pallet then lower the lathe enough to clear any small floor obstacles and move it to the prepared location and lower it in place 424 PREPARATION For Machines Mfg Since 3 11 Leveling amp Mounting You must level your machine and eit
123. live center has bearings that allow the center tip and the workpiece to rotate together it can be installed in the spindle and the tailstock quill for higher speeds However a live center typically does not provide the same level of rigidity as a dead center and final workpiece accuracy can suffer as a result Mounting Dead Center in Spindle 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean and dry the tapered mating surfaces of the spindle bore adapter sleeve and the center making sure that no lint or oil remains on the tapers Note This will prevent the tapered surfaces from seizing due to operational pressures which could make it very difficult to remove the center 3 Mount chuck or faceplate onto the spindle whichever is correct for your operation 4 Insert the center into the sleeve then insert the sleeve into the spindle bore through the chuck or faceplate Figure 57 shows an example photo of a dead center installed in the spindle using a lathe dog and faceplate for turning between centers Dead Center Figure 57 Example photo of using a dead center with a faceplate and lathe dog 44 OPERATION For Machines Mfg Since 3 11 Removing Center from Spindle To remove the sleeve and center from the spindle insert a piece of round bar stock or similar tool through the outboard end on the left side of the headstock Have another person hold onto the sleeve and center with a glove
124. ly This safety feature must operate properly before continuing Use the spindle ON OFF lever to stop the lathe disconnect it from power and call Tech Support for help Figure 35 Spindle ON OFF lever in down forward position 30 South Bend Lathe Co For Machines Mfg Since 3 11 17 18 Move the spindle ON OFF lever to the OFF middle position reset the STOP button by twisting it clockwise until it pops out then restart spindle rotation Push the foot brake The lathe should come to a quick stop If the brake pedal has no effect on the lathe push the STOP button and refer to the Brake amp Switch subsection on Page 80 to make any required adjustments After verifying the brake works correctly continue with the next step 22 23 16 Speed Gearhead Lathe Lift the chuck guard up this will activate the chuck guard safety switch Reset the STOP button and attempt to start the lathe If the lathe starts with the chuck guard in the up position the safety switch is not operating correctly This safety feature must operate properly before continuing Press the STOP button to turn the lathe OFF disconnect it from power and call Tech Support for help Point the coolant nozzle down into the chip drawer and verify that there is coolant in the reservoir refer to Coolant System Service on Page 72 for detailed instructions 19 Move the spindle ON OFF lever
125. m with an equipment grounding conductor Due to the complexity and high voltage involved this type of installation MUST be done by a qualified electrician or service personnel Check with a qualified electrician or service personnel if you do not understand these grounding requirements or if you are in doubt about whether the machine is properly grounded If you ever notice that a cord is damaged or worn disconnect it from power and immediately replace it with a new one 220V Operation The power cord and plug specified under Circuit Requirements section for the Model SB1053 on LOCKING the previous page has an equipment grounding DISCONNECT SWITCH wire and a grounding prong The plug must only Power Source be inserted into a matching receptacle outlet that is properly installed and grounded in accordance with all local codes and ordinances see Figure 11 Conduit Ground GROUNDED L15 30 RECEPTACLE Grounding Prong Figure 12 Typical hardwire setup with a locking is Hooked disconnect switch L15 30 PLUG Current Carrying Fronge Figure 11 Typical NEMA L15 30 plug and receptacle South Bend Lathe Co 19 16 Speed Gearhead Lathe PREPARATION For Machines Mfg Since 3 11 Unpacking This item was carefully packaged to prevent damage during transport If you discover any damage please immediately call Customer Service at 360 734 1540 for advice You may need to file a frei
126. manufacturer s requirements Slide the tank partially into the base and re connect the fluid hose if removed Leave one or more magnets at the bottom of the tank to collect metal chips and make cleanup easier next time This will also help keep small metal chips out of the pump Refill the tank with new coolant then slide it completely into the base Replace the vented cover panel Connect the lathe to power and point the nozzle into the chip drawer Turn the coolant pump ON to verify that fluid cycles properly then turn it OFF Machine Storage To prevent the development of rust and corrosion the lathe must be properly prepared if it will be stored for a long period of time Doing this will ensure the lathe remains in good condition for later use To prepare the lathe for short term storage up to one year 1 Pump out the old coolant and remove and blow out the lines with compressed air and a few drops of way oil DISCONNECT LATHE FROM POWER Thoroughly clean all unpainted bare metal surfaces then apply a liberal coat of way oil Lubricate the machine as outlined in the lubrication section Be sure to use the oil gun to purge all ball oilers and oil passages with fresh oil Cover the lathe and place it in a dry area that is out of direct sunlight and away from hazardous fumes paint solvents or gas Fumes and sunlight can bleach or discolor paint and make the chuck guard cloudy Once or twice a
127. mp Motor Circuit Breakers Figure 150 Electrical box 94 South Bend Lathe Co For Machines Mfg Since 3 11 E L i R iC Al 16 Speed Gearhead Lathe Spindle Motor aa L9 LOW U2 E vi AA Gs HI LOW 3 ull LOW 9 01 N Ground SPINDLE Junction Box Figure 151 Spindle motor location To 2 Speed Motor Switch Page 96 Coolant Pump Wiring _ To Electrical Box Page 93 Figure 152 Coolant pump location Grou nd CUTTING FLUID PUMP MOTOR South Bend Lathe Co 95 16 Gearhead Lathe E ECT il R CA For Machines Mfg Since 3 11 2 Speed Motor Switch di N 2 SPEED MOTOR SWITCH BOTH SIDES SHOWN LOW To Motor HIERO Page95 Ales LOW LOW LOW G3 3 1 Front View lt eO CO 6 114 51 Li HI LI gt IR View To Electrical 9 1 Box Page 93 T a 4 Figure 153 2 Speed motor switch 96 South Bend Lathe Co For Machines Mfg Since 3 11 16 Speed Gearhead Lathe Control Panel Wiring
128. mple of tool mounted in tool post AWARNING Over extending a cutting tool from the post will increase the risk of tool chatter breakage or loosening the tool during operation which could cause metal pieces to be thrown at the operator or bystanders with great force DO NOT extend a cutting tool more than 2 5 times the width of its cross section or less e g 2 5 x 0 5 1 25 2 Firmly secure the cutting tool with at least two tool post bolts 3 Check and adjust the cutting tool to the spindle centerline as instructed in the next subsection South Bend Lathe Co For Machines Mfg Since 3 11 Aligning Cutting Tool with Spindle Centerline For most operations the cutting tool tip should be aligned with the spindle centerline as illustrated in Figure 67 Cutting Spindle Center Line Figure 67 Cutting tool aligned with spindle centerline viewed from tailstock There are a number of ways to check and align the cutting tool to the spindle centerline If necessary you can raise the cutting tool by placing steel shims underneath it The shims should be as long and as wide as the cutting tool to properly support it Below are two common methods e Align the tip of the cutting tool with a center installed in the tailstock as instructed on the next page For this to work the tailstock must be aligned to the spindle centerline refer to Aligning Tailstock To Spin
129. n place South Bend Lathe Co 39 16 Speed Gearhead Lathe Installing Tooling This tailstock uses a quill with an MT 4 taper that has a lock slot in the back of the bore that accepts tang arbors and drill bits see Figures 47 48 for examples Figure 48 Example photos of inserting MT 4 tools with tangs into the tailstock 40 OPERATION For Machines Mfg Since 3 11 However other tooling without tangs such as the four remaining tools shown in Figure 47 can still be used if the potential load will not override the strength of the tapered fit For example smaller drill chucks drill bits and centers Note If the tooling has an open hole in the end but is too short to be exposed in the drift slot for removal then a screw can be threaded into the end of the tool to provide a solid surface for the quill pin to push against when the quill is retracted for tool removal To install tooling in the tailstock 1 With the tailstock locked in place unlock the quill then use the handwheel to extend it approximately 1 2 Thoroughly clean and dry the tapered mating surfaces of the quill and the center making sure that no lint or oil remains on the tapers Note If the tapered tool shaft has a tang align it with the indent in the back of the quill before seating it 3 With a firm and quick motion insert the tool into the quill Check to see if it is firmly seated by attempting to twis
130. n plug shown in Figure 112 loosen the fill plug then use a 6mm hex wrench to remove the drain plug and empty the reservoir Figure 112 Location of apron drain plug South Bend Lathe Co One Shot Oiler The one shot oiler shown in Figure 113 lubricates the saddle ways with oil from the apron reservoir To use the one shot oiler to lubricate the ways pull the pump knob out for two or three seconds and then push it in The pump draws oil from the apron reservoir and then forces it through drilled passages to the way guides Repeat this process and move the carriage and cross slide through their full path of movement to distribute oil along the way guides Lubricate the guides once before and once after operating the lathe If the lathe is in a moist or dirty environment increase the lubrication interval Check the apron oil level through the sight glass before using the one shot oiler Figure 113 Location of one shot oiler on the apron 69 16 Speed Gearhead Lathe Al i I ry N Ia E For Machines Mfg Since 3 11 Leadscrew Oil Type Mobil Vactra 2 or ISO 68 Equivalent Oil Amount zione As Needed Lubrication Daily Before lubricating the leadscrew clean it first with mineral spirits A stiff brush works well to help clean out the threads Make sure to move the carriage out of the w
131. nding the information included in this section contact our Technical Support at 360 734 1540 WIRING DIAGRAM COLOR KEY BLACK BLUE BLUE D WHITE D RED GREEN LIGHT BROWN 8 GRAY Gy South Bend Lathe Co ORANGE a photos and diagrams included in this section are best viewed in color You can seethem in color at www southbendlathe com PINK PURPLE WHITE YELLOW GREEN YELLOW V 89 16 Speed Gearhead Lathe E 3 en il R CA For Machines Mfg Since 3 11 PES d Correcting Phase Polarity Wiring This sub section is only provided for troubleshooting If you discover during the test run that the lathe will not operate or that the spindle runs backwards the lathe may be wired out of phase Without the proper test equipment to determine the phase of power source legs wiring machinery to 3 phase power may require trial and error Correcting this is simply a matter of reversing the positions where two of the incoming power source wires are connected To correct wiring that is out of phase 1 Push the STOP button turn the master power switch to OFF and disconnect the machine from power 2 Open the electrical box and swap any two hot wires coming from the plug as illustrated in Figure 148 3 Close and latch the electrical box and reconnect the machine to the power source To Power Supply
132. nto the gap and use a dead blow hammer to align the insert with the lathe bed 4 Back offthe dowel pin jack nuts and lightly tap the dowel pins back into their respective holes until they are seated This process will further help align the gap insert and bed mating surfaces 5 Install all fasteners and lightly snug them in place 6 Mount a dial indicator with a magnetic base to the top of the saddle to indicate alignment 7 First test the peak of the two prisms of the gap insert that the saddle rides on then test the flanks of the prisms 8 Tighten the gap bed cap screws in an alternating manner and tap the side of the gap insert into alignment 9 Inspect the gap alignment 24 hours later to make sure the gap is still aligned If necessary loosen the gap bed cap screws and repeat Steps 7 8 until the insert is properly aligned 85 TROUBLESHOOTING For Machines Mfg Since 3 11 16 Speed Gearhead Lathe If you need replacement parts or if you are unsure how to do any of the solutions given here feel free to call us at 360 734 1540 Symptom Machine does not start or a circuit breaker trips Loud repetitious noise coming from lathe at or near the motor Motor is loud when cutting or bogs down under load 1 2 1 2 1 2 3 Possible Cause First time operation only Lathe is wired out of phase Stop button is engaged or at fault Spindle switch es are at fault Power
133. ock Controls AWARNING AWARNING Serious personal injury could occur if Untrained users have an increased risk you connect the machine to power before of seriously injuring themselves with this completing the setup process DO NOT machine Do not operate this machine until connect power until instructed to do so later you have understood this entire manual and in this manual received proper training 4 South Bend Lathe Co For Machines Mfg Since 3 11 Controls amp Components Refer to Figures 2 9 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 AWARNING To reduce the risk of serious injury when using this machine read and understand this entire manual before beginning any lathe operations Master Power Switch The master power switch enables power to all lathe electrical controls Main Power Switch Figure 2 Location of the master power switch Two Speed Motor Switch One of three controls used to select spindle speed Select LOW or HIGH motor speeds which represent the top or bottom row of speed available on the spindle speed chart see Figure 4 INTRODUCTION 16 Speed Gearhead Lathe Two Speed Motor Switch Figure 3 Location of two speed motor switch Spindle Speed Levers amp Chart Spindle Speed
134. of the chart South Bend Lathe Co OPERATION 16 Speed Gearhead Lathe Power Feed Both the carriage and cross slide have power feed capability when the carriage is engaged with the feed rod The rate that these components move feed rate is controlled by how the levers are positioned on the headstock and quick change gearbox and the end gear arrangement Feed rate and spindle speed must be considered together Keep in mind that the feed rate is expressed in the amount of travel per revolution of the spindle The sources you use to determine the optimum spindle speed for an operation will also provide the optimal feed rate to use with that spindle speed Often the experienced machinist will use the feeds and speeds given in their reference charts or web calculators as a starting point then make minor adjustments to the feed rate and sometimes spindle speed to achieve the best results The carriage can alternatively be driven by the leadscrew for threading operations However this section only covers the use of the power feed option for the carriage and cross slide components for non threading operations To learn how to power the carriage for threading operations refer to Threading on Page 58 NOTICE To avoid damaging the machine NEVER attempt to engage carriage with leadscrew and feed rod at the same time NOTICE Never change spindle speeds while spindle is moving Severe machine damage will occur
135. ol Panel Switch Page 98 2 Speed Motor Switch Page 96 Brake Pedal Safety Spindle ON OFF Switch Page 98 Switches Behind Cover Page 97 Figure 149 Component location index 92 South Bend Lathe Co For Machines Mfg Since 3 11 E L i R iC Al u 16 Speed Gearhead Lathe Electrical Box Wiring 3 m 1 3 3 3 5 3139 The 13 2 5 6 j Li L3 12 L3 L2 l3 5 5 15 2 3m1 12 135 t 2 3 Li L3 6 7 06005100600 O18 8b 6 6 6 6 1774 125 L3 21 NC 1 L1 3 125 13 21 NC MASTER POWER 1774 L2 5 L3 7 L4 1 L1 3 125 L3 7 4 CONTACTOR CONTACTOR CONTACTOR CONTACTOR Bradley Allen Bradley SWITCH Allen Bradley Allen Bradley 00 Clg 6616 21 412 613 814 2 42 6 8 14 4 10 11 16 01 2 T1 4 T2 6 22 j NO C16 01 4 72 6 221 NO Spindle Motor Contactors SB1053 C2301 SB1054F amp SB1055F C1601 AB 193 T Class 10 m 39 79175 97 NO 98 95 AB 193 T 0 4 mp 035 Pump Motor Ive C Contactors amp Test 5 0 25 Overload Relay To Chuck Guard Safety Switch 98 Work Lamp Page 98
136. on bedways Frequently clean away chips that load up during turning operations Bedways are dry and in need of Lubricate bedways and handles lubrication Micrometer stop is interfering Check micrometer stop position and adjust it as necessary see Page 50 Gibs are too tight Loosen gib screw s slightly see Page 77 Gears or shear pin broken Replace gears or shear pin see Page 83 Gear change levers 1 Gears not aligned inside headstock Rotate spindle by hand with light pressure on the will not shift into lever until gear falls into place position 88 South Bend Lathe Co For Machines Mfg Since 3 11 E L i R iC Al u 16 Speed Gearhead Lathe Electrical Safety Instructions These pages are accurate at the time of printing In the constant effort to improve however we may make changes to the electrical systems of future machines Study this section carefully If you see differences between your machine and what is shown in this section call Technical Support at 360 734 1540 for assistance BEFORE making any changes to the wiring on your machine T Shock Hazard It is extremely dangerous to perform electrical or wiring tasks while the machine is connected to the power source Touching electrified parts will result in personal injury including but not limited to severe burns electrocution or death For your own safety disconnect machine from the power source before servicing electr
137. ons of the coolant system controls and components Coolant Pump Switch side Cabin Figure 118 Coolant system controls and components 79 Although most swarf from machining operations is screened out of the coolant before it returns to the tank small particles will accumulate in the bottom of the tank in the form of sludge To prevent this sludge from being pulled into the pump and damaging it the pump s suction tube is positioned a couple inches from the bottom of the tank and fitted with a fine screen This works well when the tank is regularly cleaned however if too much sludge is allowed to accumulate before the tank is cleaned the pump will inevitably begin sucking it up Hazards As coolants age dangerous microbes can proliferate and create a biological hazard The risk of exposure to this hazard can be greatly reduced by replacing the old fluid on a monthly basis or as indicated by the fluid manufacturer The important thing to keep in mind when working with the coolant is to minimize exposure to your skin eyes and lungs by wearing the proper PPE Personal Protective Equipment such as splash resistant safety glasses long sleeve waterproof gloves protective clothing and a NIOSH approved respirator AWARNING BIOLOGICAL amp POISON HAZARD Use the correct personal protection equipment when handling coolant Follow federal state and fluid manufacturer requirements for proper
138. oo large to safely clamp with the chuck use a faceplate or a larger chuck if possible Otherwise the workpiece could be thrown from the lathe during operation resulting in serious impact injury or death Clamping Force Inadequate clamping force can lead to the workpiece being thrown from the chuck and striking the operator or bystanders Maximum clamping force is achieved when the chuck is properly maintained and lubricated all jaws are fully engaged with the workpiece and the maximum chuck clamping diameter is not exceeded Trained Operators Only Using a chuck incorrectly can result in workpieces coming loose at high speeds and striking the operator or bystanders with deadly force To reduce the risk of this hazard read and understand this document and seek additional training from an experienced chuck user before using this chuck 16 South Bend Lathe Co For Machines Mfg Since 3 11 Preparation Overview The purpose of the preparation section is to help you prepare your machine for operation The list below outlines this basic process Specific steps for each of these points will be covered in detail later in this section The typical preparation process is as follows 1 Unpack the lathe and inventory the contents of the box crate 2 Clean the lathe and its components 3 Identify an acceptable location for the lathe and move it to that location 4 Level the lathe and either bolt it to the floor or
139. oss Slide Handwheel The cross slide handwheel moves the tool toward and away from the work Adjust the position of the graduated scale by holding the handwheel with one hand and turning the dial with the other The cross slide handwheel has a direct read graduated dial which shows the total amount of material removed from the diameter of the workpiece i e half the amount of tool movement The dial has 0 001 0 02mm increments and one full revolution moves the slide 0 100 5 08mm Rotate the dial collar 180 to read in metric units Compound Rest Handwheel The compound rest handwheel moves the cutting tool linearly along the set angle of the compound rest The compound rest angle is set by hand rotating it and securing in place with two hex nuts The compound rest has an indirect read graduated dial with 0 001 0 02mm increments One full revolution of the handwheel moves the slide 0 100 2 54mm Rotate the dial collar 180 to read in metric units South Bend Lathe Co OPERATION 16 Speed Gearhead Lathe Spindle Speed Using the correct spindle speed is important for safe and satisfactory results as well as maximizing tool life To set the spindle speed for your operation you will need to 1 Determine the best spindle speed for the cutting task and 2 configure the lathe controls to produce the required spindle speed Determining Spindle Speed Many variables affect the optimum spindle speed to u
140. own the machine immediately and fix the problem before continuing operations Loose mounting bolts or fasteners Worn frayed cracked or damaged wires Guards removed STOP button not working correctly or not requiring you to reset it before starting the machine again A reduction in braking speed or efficiency Oil level not visible in the sight glasses Coolant not flowing out Any other unsafe condition Daily Before Operations Check add headstock oil Page 67 Check add gearbox oil Page 68 Check add apron oil Page 68 Check add coolant Page 72 Lubricate the ways Page 69 Add oil to the ball oilers and oil cup Page 70 Clean lubricate the leadscrew Page 70 e Disengage the feed control lever on the apron to prevent crashes upon startup e Ensure carriage lock bolt is loose South Bend Lathe Co Daily After Operations Depress STOP button and shut OFF the master power switch to prevent accidental startup e Vacuum clean all chips and swarf from bed slides and chip drawer e Wipe down all unpainted or machined surfaces with an oiled rag Monthly e Drain and clean the coolant tank then add new fluid Page 72 Semi Annually e Change the headstock oil Page 67 e Lubricate end gears Page 71 Annually e Change the apron oil Page 68 e Change the gearbox oil Page 68 Cleaning amp Protecting Regular cleaning is one of the most important steps in taking care of
141. r drill both ends of one piece of round stock then set it aside for use in Step 5 3 Usethe other piece of round stock to make a dead center and turn it to a 60 point as illustrated in Figure 52 Figure 52 Turning a dead center Note As long as this dead center remains in the chuck the point of the center will remain true to the spindle centerline The point will have to be refinished whenever the center is removed and then returned to the chuck 4 Install a center in the tailstock 5 Attach a lathe dog to the test stock from Step 2 then mount it between the centers see Figure 53 for an example Figure 53 Example photo of stock mounted between the centers 6 Turn 0 010 off the stock diameter 7 Mounta test or dial indicator so that the plunger is on the tailstock quill 42 South Bend Lathe Co For Machines Mfg Since 3 11 Note If necessary in the following step refer to Offsetting Tailstock on Page 41 for detailed instructions 8 Usecalipers to measure both ends of the workpiece If the test stock is thicker at the tailstock end move the tailstock toward the front of the lathe the distance of the amount of taper see Figure 54 Move the tailetock toward the front of the lathe ve the dietance of the taper Looking down from above Figure 54 Adjust tailstock toward the operator If the tes
142. r tightening the strain relief or it may crush the cord and cause a short Electrocution could occur if you attempt this procedure with the power wires connected to the power source The incoming power wires must be disconnected from power before performing this procedure Connecting Power Test the strain relief to ensure it is properly 1 Make sure the master power switch is tightened by pulling the cord from outside turned to the OFF position then open the the cabinet with light to moderate force electrical cabinet door When the strain relief is properly tightened the cord will not move inside the cabinet 2 Refer to Figure 26 to identify the master power switch and the hole at the bottom of the electrical cabinet for the incoming power 3 Connect the incoming hot wires to the upper master power switch terminals and the ground wire to the ground terminal as illustrated in Figure 27 ERU LAE ze To Power Hot Hot 6 6c Supply MASTER POWER SWITCH 9990 L1 L2 Figure 27 Power connection at master power switch Power Switch cak TPF UE ru Figure 26 Location to connect power inside main 4 Make sure the wires have enough slack so electrical cabinet that they do not bind at the terminals 5 Close and lock the main electrical box door South Bend Lathe Co 27 16 Spe
143. removed or becomes unreadable REPLACE that label before using the machine again Contact South Bend Lathe Co at 360 734 1540 www southbendlathe com to order new labels South Bend Lathe Co 131 WARRANTY RRANTY Warranty This quality product is warranted by South Bend Lathe Company to the original buyer for one year from the date of purchase This warranty does not apply to consumable parts or defects due to any kind of misuse abuse negligence accidents repairs alterations or lack of maintenance We do not reimburse for third party repairs In no event shall we be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our products We do not warrant or represent that this machine complies with the provisions of any law act code regulation or standard of any domestic or foreign government industry or authority In no event shall South Bend s liability under this warranty exceed the original purchase price paid for this machine Any legal actions brought against South Bend Lathe Company shall be tried in the State of Washington County of Whatcom This is the sole written warranty for this machine Any and all warranties that may be implied by law including any merchantability or fitness for any purpose are hereby limited to the duration of this warranty To take advantage of this warranty contact us by mail or phone to give us the d
144. rews shown in Figure 121 When these screws are adjusted against the leadscrew nut they offset part of the nut to remove play between the nut and leadscrew Set Screws Figure 121 Compound rest backlash adjustment set screws To adjust the backlash rock the handwheel back and forth and tighten the screws slowly until the backlash is approximately 0 002 0 003 as indicated on the handwheel dial If you end up adjusting the nut too tight loosen the set screws tap the compound rest a few times with a rubber or wooden mallet and turn the handwheel slowly back and forth until it moves freely then try again 5 16 Speed Gearhead Lathe ry T N i I zl N Al E For Machines Mfg Since 3 11 Cross Slide Tools Needed Oty Hex Wrench 3mm ecce tree heuer EE er EE 1 Hex Wrench 5mm eere 1 The cross slide backlash is adjusted by loosening all four cap screws shown in Figure 122 then tightening the center set screw This will push down on a wedge and force the leadscrew nut apart taking up lash between the nut and leadscrew To adjust the backlash remove the compound rest and loosen the four cap screws Then rock the cross slide handwheel back and forth and tighten the set screw slowly until the backlash is at approximately 0 002 0 003 as indicated on the handwheel dial If you end up adjusting the nut too tight loosen the set screw tap the cross slide a few tim
145. ries Large or non concentric workpieces must be turned at slow speeds Always use the appropriate feed and speed rates Stopping Spindle by Hand Stopping the spindle by putting your hand on the workpiece or chuck creates an extreme risk of entanglement impact crushing friction or cutting hazards Never attempt to slow or stop the lathe spindle with your hand Allow the spindle to come to a stop on its own or use the brake Crashes Aggressively driving the cutting tool or other lathe components into the chuck may cause an explosion of metal fragments which can result in severe impact injuries and major damage to the lathe Reduce this risk by releasing automatic feeds after use not leaving lathe unattended and checking clearances before starting the lathe Make sure no part of the tool tool holder compound rest cross slide or carriage will contact the chuck during operation Long Stock Safety Long stock can whip violently if not properly supported causing serious impact injury and damage to the lathe Reduce this risk by supporting any stock that extends from the chuck headstock more than three times its own diameter Always turn long stock at slow speeds Coolant Safety Coolant is a very poisonous biohazard that can cause personal injury from skin contact alone Incorrectly positioned coolant nozzles can splash on the operator or the floor resulting in an exposure or slipping hazard To decrease your risk
146. rushing injuries Reduce this risk by keeping any included guards covers doors installed fully functional and positioned for maximum protection 13 16 Speed Gearhead Lathe Y For Machines Mfg Since 3 11 Entanglement Loose clothing gloves neckties jewelry or long hair may get caught in moving parts causing entanglement amputation crushing or strangulation Reduce this risk by removing securing these items so they cannot contact moving parts Mental Alertness Operating this item with reduced mental alertness increases the risk of accidental injury Do not let a temporary influence or distraction lead to a permanent disability Never operate when under the influence of drugs alcohol when tired or otherwise distracted Safe Environment Operating electrically powered equipment in a wet environment may result in electrocution operating near highly flammable materials may result in a fire or explosion Only operate this item in a dry location that is free from flammable materials Electrical Connection With electically powered equipment improper connections to the power source may result in electrocution or fire Always adhere to all electrical requirements and applicable codes when connecting to the power source Have all work inspected by a qualified electrician to minimize risk Disconnect Power Adjusting or servicing electrically powered equipment while it is connected to the power source greatly in
147. s slide is selected Conversely when the lever is up and the pin is pointing down the carriage is selected In the middle position the apron gears are disengaged from the feed rod and neither component will move Note When using this lever you may need to slightly rotate the handwheel of the component you are trying to engage so that the apron gears can mesh FEED CONTROL LEVER Figure 80 Apron power feed controls South Bend Lathe Co For Machines Mfg Since 3 11 Feed Direction Knob Changes power feed direction see Figure 80 The advantage of this knob is that you can quickly reverse power feed direction while the spindle is rotating without having to turn the lathe off wait until the spindle is stopped then use the feed direction lever on the headstock NOTICE Depending on the combined configuration of the feed direction lever on the headstock and the feed direction knob on the apron the actual direction of power feed may be different from the printed indicators on the machine Setting Feed Rate The feed rate chart displays the settings for the headstock feed controls for metric and inch feed rates see Figure 81 NOT CHANGE PINOLE SPEED SPINOLE 40 60 100 165 245 t 375 625 1000 7 80 120 200 330 490 750612502000 A CD B CD TION DO NOT ANS THREAD AND FEED CHART OES Feed Rate Chart
148. se for any given operation but the two most important are the recommended cutting speed for the workpiece material and the diameter of the workpiece as noted in the formula shown in Figure 72 Recommended Cutting Speed FPM x 12 SpindleSpeed RPM Dia of Cut in inches x 3 14 Double if using carbide cutting tool Figure 72 Spindle speed formula for lathes Cutting speed typically defined in feet per minute is the speed at which the edge of a tool moves across the material surface A recommended cutting speed is an ideal speed for cutting a type of material in order to produce the desired finish and optimize tool life The books Machinery s Handbook or Machine Shop Practice and some internet sites provide excellent recommendations for which cutting speeds to use when calculating the spindle speed These sources also provide a wealth of additional information about the variables that affect cutting speed and they are a good educational resource Also there are a large number of easy to use spindle speed calculators that can be found on the internet of these sources will help you take into account all the applicable variables in order to determine the best spindle speed for the operation 51 16 Speed Gearhead Lathe Setting Spindle Speed Selecting one of the 16 spindle speeds available is a combination of configuring the two speed motor switch the spindle range lever and th
149. string LCR3Y as follows a Move the feed range lever to the low L position b Point the left gearbox lever to the C Point the middle gearbox lever to the RU d Position the bottom gearbox lever in the 3 slot e Point the right gearbox lever to Y The lathe is now set up to cut a metric thread width of 2 5mm South Bend Lathe Co For Machines Mfg Since 3 11 Apron Controls The half nut lever engages the apron with the leadscrew which moves the carriage and cutting tool along the length of the workpiece for threading operations see Figure 87 Important Make sure the feed control lever is in the disengaged middle position before attempting to engage the half nut f Feed Control Lever 7 Disengaged Cross Slide Disengaged Carriage M Halfnut Lever Feed Control Lever Engaged Figure 87 Apron threading controls NOTICE Attempting to engage the half nut while the cross slide or carriage is engaged with the feed rod could cause severe damage to the lathe Never attempt to engage the half nut while the feed control lever is engaged OPERATION 16 Speed Gearhead Lathe Thread Dial The numbers on the thread dial are used with the thread dial chart to show when to engage the half nut during inch threading The thread dial gear must be engaged with the leadscrew for this to work Loosen the knurled knob on the thread dial pivot the
150. supply is switched OFF at master power switch or breaker Wall fuse circuit breaker is blown tripped short in electrical system start up load too high for circuit Fuse has blown in machine electrical box One or more safety switches or brake switch are engaged Thermal overload relay has tripped Motor connection wired incorrectly Safety brake switch es at fault Contactor not getting energized has burned contacts Wiring is open has high resistance Motor is at fault Pulley set screws or keys are missing or loose Motor fan is hitting the cover Excessive depth of cut or feed rate Spindle speed or feed rate wrong for cutting operation Cutting tool is dull Possible Solution Correct out of phase wiring refer to Page 90 for details Rotate button clockwise until it pops out to reset it for operation replace if not working properly Replace bad switch es Make sure master power switch and circuit breaker are turned ON Verify circuit is rated for machine amp load troubleshoot and repair cause of overload replace weak breaker find repair electrical short Replace fuse determine if overload is due to heavy operation ensure power source has high enough voltage and power cord is correctly sized Verify electrical box door chuck guard spindle and brake switches are not engaged Turn the thermal relay cut out dial to increase working amps and push the reset pin Replace if trippe
151. switch see Figure 29 to the OFF position and point the fluid nozzle into the chip drawer POSITION DO NOT CANT EED SPINDLE SPEED i 330 RPM Coolant Pump Switch O VERSE STOP Button REMOVE THIS Figure 29 Control panel 7 To ensure the carriage components do not unexpectedly move when the lathe is started move the feed range lever to the neutral middle position see Figure 30 gt CU z 2 DO CHANGE Range Lever gt WHILE SPINDLE ISJROTATING pem 40 60 100 165 245 80 120 200 330 490 THREAD AND FEED DS mm AIGH POSITION DO NOT EXCEED SPINDLE SPEED d OF 330 RPM WARD Nm MODEL 5810545 GA 16 SPEED GEARHEAD Figure 30 Feed range lever 28 South Bend Lathe Co For Machines Mfg Since 3 11 PREPARATION 16 Speed Gearhead Lathe 8 Set the spindle speed to 40 RPM You may have to manually rock the chuck back and forth to make the gears mesh Carriage a Turn the two speed motor switch to the LOW position b Move the spindle range lever so that the indicator points to the upper line on the right this is the low range for this motor speed see Figure 31 c Rotate the spindle speed lever so that i Disengaged the indicator points to the A Cross Slide Disengaged Carriage nA 9 Halfnut Lever Spindle pesed le
152. t and pull it completely out of the receptacle Do not pull by the cord as this may damage the wires inside 26 PREPARATION For Machines Mfg Since 3 11 Model SB1054F amp SB1055F Due to the complexity required for planning bending and installing the conduit necessary for a code compliant hardwire setup an electrician or other qualified person MUST perform this type of installation Hardwire setups typically require power supply wires to be enclosed inside of a solid or flexible conduit which is securely mounted at both ends with the appropriate conduit fittings All work must adhere to the required electrical codes The hardwire setup must include a locking disconnect switch see Figure 25 between the power source and the machine This switch serves as the means to completely disconnect the machine from power to prevent electrocution from accidental startup during adjustments maintenance or service to the machine Locking Power Source Disconnect Switch Machine Conduit Conduit Figure 25 Typical hardwire setup with a locking disconnect switch South Bend Lathe Co For Machines Mfg Since 3 11 PREPARATION 16 Speed Gearhead Lathe Note For the Model 5 1053 thread the AWA R N N G power cord through an approved and properly sized strain relief as it enters the electrical cabinet The strain relief must be tightened against the outer jacket of the cord however avoid ove
153. t it a firmly seated tool will not twist 4 Unlock the tailstock and move it until the tip of the tool is close to but not touching the workpiece then re lock the tailstock 5 Start spindle rotation unlock the quill then turn the tailstock handwheel clockwise to feed the tool into the workpiece South Bend Lathe Co For Machines Mfg Since 3 11 OPERATION 16 Speed Gearhead Lathe Removing Tooling 1 Usea shop rag to hold the tool 2 Rotate the tailstock handwheel counterclockwise until the tool is forced out of the quill If the tool does not come loose by retracting the quill extend the quill and use a drift key in the slot shown in Figure 49 to remove the tool Figure 49 Drift key slot in the side of the quill South Bend Offsetting Tailstock The tailstock can be offset from the spindle centerline for turning tapers Move the tailstock top casting toward the front of the lathe to machine a taper at the tailstock end Conversely position the tailstock top casting toward the back of the lathe to machine a taper at the spindle end see the illustration in Figure 50 Note The marks on the offset indicator are arbitrary For a precise offset use a dial indicator to check quill movement while adjusting the screws il Turn Turn CW CW Figure 50 Set screw adjustment in relation to tailstock movement Tools Needed Oty Hex Wrench 6mm 1 Wrench 17mm
154. t locations then adjust the bolts to level the lathe Figure 22 Leveling pads and screws If using mounting hardware that does not allow for adjustment level the lathe by placing metal shims between the lathe base and the floor before bolting it down Bolting to Concrete Floors Lag screws and anchors or anchor studs below are two popular methods for bolting machinery to a concrete floor We suggest you research the many options and methods for mounting your machine and choose the best one for your specific application Lag Screw and Anchor Figure 23 Common types of fasteners for bolting machinery to concrete floors NOTICE Most electrical codes require that machines connected to the power source by fixed conduit MUST be secured to the floor South Bend Lathe Co 16 Speed Gearhead Lathe Assembly With the exception of the handwheel handles the lathe is shipped fully assembled To install the handwheel handles thread the large handle into the carriage handwheel and the small handle into the cross slide handwheel as shown in Figure 24 Handwheel Handles Figure 24 Handwheel handles installed Lubricating Lathe GEARBOXES MUST BE FILLED WITH OIL STOP LATHE MAY NOT HAVE OIL INCLUDED Refer to the Lubrication Section in this Manual for Recommended Oil Type The headstock quick chang
155. t stock is thinner at the tailstock end move the tailstock toward the back of the lathe the distance of the amount of taper see Figure 55 Looking down from above Move tailstock toward the back of the lathe the distance of the taper Figure 55 Adjust tailstock away from the operator 9 Repeat Steps 6 8 until the desired accuracy is achieved South Bend Lathe Co OPERATION 16 Speed Gearhead Lathe Centers Figure 56 shows the MT 4 dead centers included with the lathe In addition an MT 6 MT 4 tapered spindle sleeve is included for mounting centers in the spindle Dead Carbide Tipped Dead Center Adapter Sleeve Figure 56 Adapter sleeve and dead centers Dead Centers A dead center is a one piece center that does not rotate with the workpiece and is used to support long slender workpieces Use the dead center in the spindle where the workpiece rotates with the center and does not generate friction The carbide tipped dead center can better withstand the effects of friction and is best used in the tailstock where the workpiece will rotate against it and generate friction The tip of the center must be generously lubricated to avoid premature wear and maximize smooth operation Using low spindle speeds will also reduce the heat and wear from friction 43 16 Speed Gearhead Lathe Live Centers A
156. t to lift or move this lathe without using the proper lifting equipment or the necessary assistance from other people Each piece of lifting equipment must be rated for at least 5000 lbs to support dynamic loads that may be applied while lifting Refer to the Things You ll Need subsection on Page 17 for details To lift and move the lathe 1 Remove the shipping crate top and sides then remove the small components from the shipping pallet 2 Use a forklift to move the lathe to its prepared location while it is still attached to the shipping pallet 3 To prepare for lifting the lathe balance the load by loosening the tailstock lock lever see Figure 16 and moving the tailstock to the end of the bedway Be sure to lock it in place Figure 16 Tailstock lock lever South Bend Lathe Co PREPARATION 16 Speed Gearhead Lathe 4 To further balance the load loosen the carriage lock bolt see Figure 17 disengage the half nut lever disengage the feed control lever then use the carriage handwheel to move the carriage next to the tailstock Carriage Half Nut Lever d i Handwheel eed ever Q 4 Disengaged Cross Slide Disengaged Carriage Halfnut in Lever Feed Control T Lever Engaged Figure 17 Carriage controls set for moving the carriage 5 Position a 12 long 2x6 board under each end of the bed as illustrated in Figure 18 then wrap the
157. tch plunger in When pushed in the switch should click If the switch does not click loosen the switch mounting screws push the brake pedal all the way down then move the switch closer to the cam lobe until it clicks Secure the switch in place at this location Note When the brake pedal is released there should be an approximate 3mm gap between the switch plunger and the cam lobe 11 Re install the motor access panel connect the lathe to power then test the brake pedal If the brake does not operate correctly properly repeat this procedure until it does 82 Leadscrew Shear Pin Replacement The leadscrew is secured to a connecting collar that is part of the headstock drivetrain with the use of a soft metal shear pin The shear pin is designed to break and disengage the power transfer to the leadscrew to help protect more expensive lathe components in the case of a carriage crash or the lathe is overloaded Contact South Bend to order a replacement shear pin Part Number PSB10530934 or use the specifications in Figure 138 to fabricate your own nmn Shear Fin Material Steel JIS S45C SAE 1045 Figure 138 Shear pin specifications Tools Needed Qty External Retaining Ring Pliers 1 1 Magnes 1 Safety 0 0000 1 Blow Gun w Compressed Air 1 Light Mac
158. this lathe We recommend that the cleaning routine be planned into the workflow schedule so that adequate time is set aside to do the job right Typically the easiest way to clean swarf from the bed ways and chip drawer is to use a wet dry shop vacuum that is dedicated for this purpose only The small chips left over after vacuuming can be wiped up with a slightly oiled rag Avoid using compressed air to blow off chips as it may drive them deeper into moving surfaces and could cause sharp chips to fly into your face or hands Besides the ways all other unpainted and machined surfaces should be wiped down daily to keep them rust free and in top condition This includes any surface that is vulnerable to rust if left unprotected especially any parts that are exposed to water soluble coolant Typically a thin film of oil is all that is necessary for protection 65 For Machines Mfg Since 3 11 16 Speed Gearhead Lathe qnog INOA ooueuojureut se 4 Y osn sty jo serdoo 9 0 97 9 095 OFET FEL 098 38100 edueq enuue Jo uoudy esueyD enuue IPA utege IL Nod uouA pue oorAJos enuue INOA 158
159. to the OFF middle position Remove the lathe end gear 24 Re start the lathe use the coolant pump cover This trips a safety switch that should switch on the control panel to start the prevent the lathe from starting while the pump then open the valve Verify that the cover is removed coolant flows from the nozzle then close the valve and turn the pump OFF 20 Stand away from all the exposed gears on the side of the headstock and attempt to Congratulations The test run is complete Turn start the lathe the lathe OFF and perform the Spindle Break In procedure on the next page If the lathe starts with the end gear cover removed the safety switch is not operating correctly This safety feature must operate properly before continuing After the first 16 hours of use the V belts will Press the STOP button to turn the lathe stretch and seat into the pulley grooves The OFF disconnect the lathe from power V belts must be properly re tensioned after and call Tech Support for help this period to avoid reducing their useful life Refer to the V Belts subsection on Page 80 21 Push the STOP button in move the spindle for detailed instructions ON OFF lever to the OFF position then replace the end gear cover 31 South Bend Lathe Co 16 Speed Gearhead Lathe Spindle The high quality bearings and gears used in this lathe are manufactured to very close tolerances Before subjecting the lat
160. ts the quick change 72 amp Threading Charts gearbox into low range neutral or high range Feed Direction Lever Controls the direction of 6 the leadscrew or feed rod 200 6 Control Panel Low E ae AND FEED CHART IGH POSITION DO NOT A 1 MAS EXCEED SPINDLE SPEED v OF 330 RPM T w STOP J cen 4 Button Figure 7 Quick change controls Coolant Switch Quick Change Gearbox Controls Set the quick change gearbox configuration for feeding and threading operations Figure 6 Control panel 6 South Bend Lathe Co For Machines Mfg Since 3 11 Carriage Controls F G H l J Figure 8 Carriage controls A 4 Position Tool Post Lever Locks the tool K holder in four possible positions B Compound Rest Handwheel Moves the L cutting tool back and forth relative to the workpiece Includes an indirect read graduated dial which represents actual tool M movement C Coolant Valve Lever Controls the flow of N coolant from the nozzle D One Shot Oiler Draws oil from the apron reservoir and lubricates the bed ways underneath the saddle E Carriage Lock Bolt Secures the carriage in place for greater rigidity and accuracy when using the cross slide or compound rest for machining operations INTRODUCTION 16 Speed Gearhead Lathe Thread Dial Indicates
161. turn the locking cams to secure these devices to the spindle 34 OPERATION For Machines Mfg Since 3 11 Installation amp Removal Devices Because chucks are heavy and often awkward to hold some kind of lifting support or protective device should be used during installation or removal The weight and size of the chuck will determine the appropriate device to use refer to the following figure for examples AWARNING A dropped chuck can cause amputation serious crushing injuries or property damage Always use a lifting support or protective device to reduce this risk when installing or removing a chuck SMALL LIGHTWEIGHT CHUCKS Plywood Protection Plate for Chucks Installed by Hand Plywood amp 2x4 Chuck Cradle Plywood Chuck Crad Straight Cuts Pre Threaded Hole for Lifting Eye y Fabricated Steel Lifting Hook Figure 36 Examples of common devices used during chuck installation and removal South Bend Lathe Co For Machines Mfg Since 3 11 Chuck Installation To ensure accurate work it is extremely important to make sure the spindle nose and chuck mating surfaces tapers are clean Even a small amount of lint or debris can affect accuracy The chuck is properly installed when all camlocks are tight the spindle and chuck tapers firmly lock together and the back of chuck is firmly seated against the face of the spindle all the way around without any gaps
162. ver Feed Control Lever Engaged aA Lever 40 60 100 165 245 375 625 1000 Figure 32 Carriage controls set for moving the 80 120 200 330 490 750612502000 10 Move the spindle ON OFF lever to the OFF middle position as shown in Figure 33 e y e Spindle Spindle Speed Spindle Range Lever at Lever at the 40 RPM Low Range ON OFF THREADING POSITION Figure 31 Spindle speed set to 40 RPM NOTICE DO NOT use the jog button to help mesh the gears when changing spindle speeds or range Figure 33 Spindle ON OFF lever the OFF middle This could damage the gears and connected position components 11 Press the STOP button on the control panel see Figure 29 on Page 28 to ensure that the lathe does not unexpectedly start when connected to power during the next step 9 To allow the carriage to move freely when the handwheel is rotated disengage the half nut lever put the feed control lever in disengaged position and make sure the carriage lock is loose see Figure 32 South Bend Lathe Co 29 16 Speed Gearhead Lathe PREPARATION For Machines Mfg Since 3 11 12 Connect the lathe to the power source then When operating correctly the machine turn the master power switch to the ON runs smoothly with little or no vibration position see Figure 3
163. wapping stud positions on the chuck E od L INCORRECT Stud Too High Turn In One Turn INCORRECT Stud Too Low Turn Out One Turn Figure 39 Correcting an improperly installed stud 35 16 Speed Gearhead Lathe 7 Verify that the chuck fits the spindle properly by checking for any gaps between the mating surfaces If there are no gaps proceed to Step 8 If there is a gap remove the chuck re clean the mating surfaces carefully and re install If the problem persists refer to Troubleshooting 8 Verify that the chuck spindle tapers are seated firmly together by removing the chuck per the Chuck Removal instructions and pay close attention to how easily the tapers release If it was necessary to bump the chuck or use a mallet to release the tapers then they are seating together properly If the tapers released easily with little intervention they are not seated together firmly as required Remove the chuck re clean the mating surfaces carefully and re install If the problem persists refer to Troubleshooting Registration Marks Lightly stamp registration marks across the mating seams of chuck components These marks will help you re install the chuck in the same position after removal which ensures consistent chuck balance and turning results and allows the same camlocks and studs to operate together for consistent locking and unlocking Spindl
164. when to engage the half nut during inch threading operations Spindle ON OFF Lever Starts stops and reverses direction of spindle rotation Thread Dial Chart For each inch thread displays which number on the thread dial to engage the half nut Half Nut Lever Engages and disengages the half nut for threading operations Quick Change Feed Direction Knob Changes direction of carriage feed or the cross slide feed without having to stop the lathe and move the headstock feed direction lever Feed Control Lever Engages and disengages the cross slide or carriage feed Carriage Handwheel Moves the carriage manually along the bed Apron Houses the carriage gearing and controls Cross Slide Handwheel Moves the cross slide toward or away from the workpiece Includes a direct read graduated dial which represents half the amount of tool movement and the total amount of material removed from the diameter of the workpiece South Bend Lathe Co 16 Speed Gearhead Lathe INTRODUCTION For Machines Mfg Since 3 11 Tailstock Controls Figure 9 Tailstock controls Tailstock Handwheel Moves the quill toward or away from the spindle B Graduated Scale Indicates quill movement in increments of 0 001 One full rotation of handwheel is 0 100 Tailstock Lock Lever Secures the tailstock in place along the bedway D Quill Lock Lever Locks the quill in position Ouill Holds centers or tool

Southbend SB1046PF Lathe User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents