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Southbend sb1039 User's Manual

1. 1405 T 1417 1417 402 1402 g 6 0 Q aji miu 1404 1405 1406 1408 1407 1 1409 45 ererejerereierereiererierlieierlieiejlre elelelelelelelelelelelelelelelelelelelelo Control Panel 1410 1411 1412 1414 REF PART DESCRIPTION REF PART DESCRIPTION 401 PSB10391401 ELECTRICAL BACKPLATE 1440 PSB10391410 CONTROL PANEL PLATE 402 0391402 CONTACTOR AB CO9400 220V 411 1411 JOG BUTTON 403 PSB10391403 MASTER POWER SWITCH 412 EMERGENCY STOP BUTTON 404 PSB10391404 OL RELAY AB 193 TAC24 A 17 5 21 5A 415 POWER LAMP 405 PSB10391405 OL RELAY 193 ATA40 A 0 25 0 4A 414 1 CUTTING FLUID SWITCH 406 FSB10591406 CIRCUIT BREAKER AB D2O 415 1 FUSE ASSEMBLY 4A 407 PSB10391407 CIRCUIT BREAKER AB DG AIG FUSE ASSEMBLY 1 2A 408 PSB10391408 TRANSFORMER SUENN LIANG SP TBSW 417 CONTACTOR AB C1601 220V 409 PSB10391409 TERMINAL BLOCK 5 POST 125 South Bend Lathe Co 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 Accessories 1504 oy Sy 1505 1502 2 1520 lt 1501 1519 1518 a 1506 cy 1511 1509 1520 nw 1515 2e
2. As Needed Cutting 1 Eme Buler eee GERNE 1 Tailstock Center ne tte 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 62 Tailetock Center ting Tailetock ool Center lt a Side View Figure 62 Cutting tool tip aligned with tailstock center South Bend Lathe Co AT 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 Adjustable Feed Stop Micrometer Stop Use the adjustable feed stop collar shown in Use the carriage stop as a guide to help judge Figure 63 to set the location where the carriage when to stop carriage movement should disengage from power feed NOTICE The carriage stop on this lathe will NOT automatically stop the carriage during threading operations when the carriage When the apron stop plate contacts the stop collar during an operation that uses the feed rod the clutch disengages the carriage from the feed rod and movement stops is engaged with
3. 108 South Bend Lathe Co For Machines Mfg Since 5 11 iS 14 TURN X Toolroom Lathe Apron Rear View Parts List REF PART DESCRIPTION REF PART DESCRIPTION 414__ PSTBOOT STEEL BALL 1 4 469 P5B10120569 _ LEVER HUB 422 F6B10120522 270 454_ 472 460 273 251 _ P6012055 C aca 75810390452 276 455 5810120555 APRON CASTING 476 _ PSBIO STE 454 F5B10590454 CYLINDRICAL ROLLER BEARING 2930 477 ALF NUT PIVOT ARM aco 7581012055 278 256 PRIM e 456 rosiowosse 1 460 459 PRFBeM ROLL PIN 5 X 22 481 FSBIOI20581 APRON BOTTOM COVER 46 _ PSBIOIZ0501 GEAR 18T 292 462 10120562 THRUST WASHER 485 PRPIO2M ROLLFIN 4X 26 263 PCAFOIM CAP SCREW WGA1X16 465 PF5B10590289 WOODRUFF KEY 4 X15 494 PSI7 M FHLP HD SCR M4 7X 6 200 496 _ PCAPOBM CAP SCREW W5 BX8 496 465 _ Po610120668_ HALF NUT LEVER 497 South Bend Lathe Co 109 14 TURN X Toolroom Lathe R For Machines Mfg Since 5 11 Compound Rest amp Tool Post 502 501 524 REF PART DESCRIPTION REF PART DESCRIPTION 501 PSBI0120901__ POST LEVER 517 PSB10120917__ INDICATOR PLATE 502 Bip 9910120918 505 ree 519 504 520 505 ros A 506 Ps8 522 507 P5B10120907 TOOL POST PLUNGER 524 PCAPO4M CAP SCREW M6 1 X 10 5
4. REF DESCRIPTION REF PART DESCRIPTION 5o 581227 4 JAW CHUCK 10 ASSEMBLY ot PwRiot2 WRENCH 10 12MM 502V2 PSB10391502V2 512 50 o5 799103919097 54 5052 B 504 5 10591504 516 EX WRENCH SET 10FC 1 5 10MM 505 Bi7_ repior2ai7 TOOLBOX 506 FSB10122506 TOOL POST T WRENCH EX WRENCH 8MM 507 58399 DS 5 14 508 15810591520 _ CAMLOCK KEY 509 126 South Bend Lathe Co For Machines Mfg Since 5 11 Ii 14 TURN X Toolroom Lathe Front Machine Labels 1604 1605 1607 Toolroom Series 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 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 127 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 Rear amp Side Machine Labels IN 1610 1625 220V 3 Ph 1622 REF PART DESCRIPTION REF PART DESCRIPTION eot PSB10391601 MACHINE ID LABEL SB1039 1614 PSBI0391614 TOOL ROOM SERIES LABEL 581059 601 614 TOOLROOM SERIES LABEL SB1052 602 PSBLAB
5. Figure 13 Space required for full range of movement South Bend Lathe Co 91 14 TURN X Toolroom Lathe PREPARATION For Machines Mfg Since 5 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 equipment and guide rods Do not attempt to lift or move this lathe without using the proper lifting equipment such as forklift or crane or the necessary assistance from other people Each piece of lifting equipment must be rated for at least 25 more than the shipping weight of your lathe to support dynamic loads that may be applied while lifting Refer to Things You ll Need on Page 16 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 Move the lathe to its prepared location while it is still attached to the shipping pallet Unbolt the lathe from the shipping pallet 4 To balance the load for lifting move the tailstock and carriage to the extreme right end of the bedway then lock them in place Note Before attempting to move the carriage make sure the carriage lock is loose the half nut is disengaged and the power feed is disengaged feed selection lever 5 Position hardwood blocks under eac
6. Figure 22 Power connection at master power switch South Bend Lathe Co 25 14 TURN X Toolroom Lathe PREPARATION For Machines Mfg Since 5 11 4 Connect the incoming ground wire to the ground terminal directly above the master power switch 5 Make sure the power cord and wires have slack between the strain relief and terminal connections so that they do not bind then tighten the strain relief to secure the cord Note The strain relief must be tightened against the outer jacket of the cord Avoid over tightening the strain relief or it may crush the cord and cause a short 6 Test the strain relief to ensure it is properly tightened by pulling the cord from outside the box with light to moderate force When the strain relief is properly tightened the cord will not move inside the cabinet 7 Install a NEMA 15 20 plug on the other end of the power cord per the manufacturer s instructions 8 Close and lock the main electrical box door 9 Connect the plug to the matching receptacle and power source as specified in Circuit Requirements on Page 17 NOTICE To avoid unexpected start up of lathe components keep the master power switch turned OFF until instructed otherwise in the Test Run 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 operati
7. eene 1 Wrench 22mm he eene nete 1 To configure the end gears 1 DISCONNECT LATHE FROM POWER 2 Remove the headstock end gear cover 3 Remove the cap screw lock washer and flat washer from the bottom 57T end gear see Figure 76 Pivot Hex Nut Figure 76 End gear components 4 Loosen the pivot arm hex nut shown in Figure 76 then swing the pivot arm to the left so that 44T 56T gears are away from the 57T gear Hand tighten the hex nut to keep the arm in place 5 Usea stiff brush and mineral spirits to clean away the debris and grime from the gears and shafts then lubricate these devices as instructed in the End Gears lubrication subsection on Page 70 6 Making sure to keep the key seated in the shaft 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 For the alternate end gear configuration slide the spacer on first then the gear 7 Re install the cap screw lock washer and flat washer you removed in Step 3 to secure the spacer and 57T gear Note DO NOT overtighten the cap screw it merely holds the gear in place Overtightening it will make it harder to remove later and may restrict the rotation of the gears 8 Slide the pivot arm back so that either the 44T or the 56T meshes with the 57T gear then retighten the pi
8. eene 9 L bricating 24 oe pes ee 9 Adding 25 SpIBUIe Power Connection 25 meting au Configuration 50 Power e 51 Power Feed 52 Setting Power Feed 53 End TT 54 Standard End Gear Configuration 54 Alternate Configuration 55 Thiresding 56 Headstock Threading Controls 56 Apron Threading Controls essse 57 Thread Dialisi rgan inie 57 Thread Dial 58 Chip 59 Coolant System eee 60 ACCESSORIES cvcssicisscccsssscsesectssvcssesescoseectescesseses 61 MAINTENANCE eee ee ee eee 64 Maintenance 64 Cleaning amp Protecting eese 64 Maintenance Chart c ccccccssesceeceneseeeeaseeeeees 65 o voix d bred cabe a bed ede 66 Headstock 66 Quick Change Gearbox eese 67 E 67 One Shot Oiler 68 Longitudinal Leadscrew ccccceseeeeeeeeseeeeees 68 Ball Oilers amp
9. Cup eese 69 End Gears eiecit CERO UE 70 Coolant System 71 ERE 71 Adding Flid 72 Changing Coolant eese 72 Machine Storage eene 73 SERVICE 74 Backlash Adjustment esee 74 Compound Rest 74 Cross Slide p o eie rre ia enden 74 Leadscrew End Play Adjustment 75 Gib 4 75 Half Nut Adjustment esse 7 E 77 Brake amp 78 Leadscrew Shear Pin Replacement 80 Gap Insert Removal amp Installation 82 Gap Removal ei wr E Ea 82 Gap Installation 83 84 ELECTRICAL o Ra ENDE EuE VUE 87 Electrical Safety Instructions 87 Correcting Phase Polarity Wiring 88 Wiring 88 Component Location 89 Electrical Cabinet Wiring sees 90 Electrical Box di me bris 91 Spindle 92 Cutting Fluid Pump Wiring
10. South Bend Lathe Co 101 For Machines Mfg Since 5 11 14 TURN X Toolroom Lathe Gearbox Gears 245 221 206 102 South Bend Lathe Co For Machines Mfg Since 5 11 IS 14 TURN X Toolroom Lathe Gearbox Gears Parts List REF PART DESCRIPTION REF PART DESCRIPTION 201 PSB10120201 OUTBOARD SPLINED SHAFT G1 252 10120252 GEAR 19T 202 PSB10120202 OIL SEAL 20 52 5 120233 5 10590205 NEEDLE ROLLER BEARING TAF202820 204 PSBIOI2Z0204 FLANGE BEARING SEAT 205 PSBIOI2Z02Z05 THRUST WASHER 20234 GEAR 24T 20235 GEAR 23T 20256 GEAR 27T 206 EXT RETAINING RING 20MM 20257 GEAR 24T 207 1 KEY 7X7X 35 20256 GEAR 28T 208 20205 COMBO GEAR 19T 20T 20239 26T 209 20209 CLUTCH SPLINED SHAFT G1 o _ Psei0120210 1 BALL BEARING 1600422 2 5 6 7 24 9 0120240 38T 0120241 SPANNER NUT OM EXT RETAINING RING 22MM 20245 COMBO GEAR 56 50 20244 22T 20245 GEAR 22T 20246 GEAR 22T 20247 33T 20246 GEAR 22T 7 SPLINED SHAFT G3 WOODRUFF KEY 5 X 19 20719 BALL BEARING 16004 ZZ 225 224 THRUST 225 226 227 cH 228 HRUSI 229 PROGM XT RETAINING RING 16MM 230 2s PSB PSB ED SHAFT G1 PSB10120255 BOARD FLANGE BEARING SEAT I
11. 1 V Cast Iron Leveling Pads 6 Pre Installed Not Shown Qty e 8 3 Jaw Chuck SB1309 1 8 Back Plate 01 5 SB1399 1 Note Some inventory components may be shipped inside of the lathe electrical box These items MUST be removed before connecting the lathe to the power source Figure 12 Toolbox inventory NOTICE If you cannot find an item on this list check the mounting location on the machine or the packaging materials Sometimes parts are pre installed for shipping or they become hidden by packaging materials South Bend Lathe Co 19 14 TURN X Toolroom Lathe PREPARATION For Machines Mfg Since 5 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 the following process works well in most situations Before cleaning gather the
12. 50 South Bend Lathe Co For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe Setting Spindle Speed of 1600 RPM Power Feed 1 Make sure the spindle is completely stopped and the spindle lever is in the OFF middle Both the carriage and cross slide have power feed position capability when the carriage is engaged with the feed rod The rate that these components move 2 Turn the motor switch to the high right feed rate is controlled by the headstock and position quick change gearbox lever positions and the end gear configuration Note The blue color of the motor switch high position corresponds to the column in the Feed rate and spindle speed must be considered left hand speed chart with the blue header together Keep in mind that the feed rate is that contains the speed of 1600 RPM expressed in the amount of travel per revolution of the spindle The sources you use to determine 3 Move the spindle range lever to the left the optimum spindle speed for an operation will so that the arrow on top of its hub points also provide the optimal feed rate to use with toward the left hand speed chart see the that spindle speed illustrated in Figure 69 Often the experienced machinist will use the feeds and speeds given in their reference charts Spindle Range Lever Fointing Spindle Speed or web calculators as a starting point then To The Left Hand Lever Set To make minor adjustments to the feed rate
13. Figure 46 Example photo of stock mounted between the centers 6 Turn 0 010 off the stock diameter 7 Mount a test or dial indicator so that the plunger is on the tailstock quill 40 South Bend Lathe Co For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe Note If necessary in the following step refer to Offsetting Tailstock on Page 39 for detailed instructions 8 Use calipers 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 47 Move the tailstock toward the front of the lathe ve the distance of the taper Looking down from above Figure 47 Adjust tailstock toward the operator If the test 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 48 Looking down from above Move tailstock toward the back of the lathe the distance of the taper Figure 48 Adjust tailstock away from the operator 9 Repeat Steps 6 8 until the desired accuracy is achieved Centers Figure 49 shows the MT 5 dead centers included with the lathe In addition an MT 7 MT 5 tapered spindle sleeve is included for mounting centers in the spindle
14. Tailstock Lock Lever Secures the tailstock in position along the bedway AB Quill Lock Lever Secures the quill in position AC Quill Moves toward and away from the spindle and holds centers and tooling AD Tailstock Offset Screw Adjusts the tailstock offset left or right from the spindle centerline 1 of 2 AE Gib Adjustment Screw Adjusts the tapered gib to control tailstock offset accuracy 1 of 2 AF Offset Scale Indicates the relative distance of tailstock offset from the spindle centerline End Gears Configuring the end gears shown in Figure 8 will control the speed of the leadscrew for threading or the feed rod for power feed operations The rotational speed of these components depends not only on the end gear configuration but the spindle speed as well Figure 8 End gear components Safety Foot Brake This lathe is equipped with a foot brake see Figure 9 to quickly stop the spindle instead of allowing the spindle to coast to a stop on its own Pushing the foot brake while the spindle is ON cuts power to the motor and stops the spindle After the foot brake is used the spindle lever must be returned to the OFF middle position to reset the spindle switches before re starting spindle rotation Spindle South end Toolroom Series EL 81039 1440 Foot Brake Figure 9 Foot brake and spindle lever South Bend Lathe Co
15. sss 92 2 Speed Motor 93 Control Panel Wiring eese 94 Spindle 94 Additional Component Wiring 95 Power Connection 95 PARTS na NORUNT EHE 96 Headstock Cover ccccccseeceseceeeeeeeseeeseeeseeesens 96 Headstock Controls cccccesecseseeeeeeeeseeeeeeeeens 97 Headstock Internal Gears 99 Headstock Transfer 101 Gearbox 102 Gearbox Controls eee 104 Apron Front View 106 Apron Rear View ccccccccseccecccseccescesecseeeeseees 108 Compound Rest amp Tool 110 Saddle Top View eese 111 Saddle Bottom 113 Bed Stop xiii Er entered peter Pin terrenis 114 Dial Indicator 5 3 d m mette eiie is 114 Bed amp Shafts spriin ei 115 duni uten IMMER 117 Main 118 Stands amp Panels eese 120 122 Steady Rest eese nnne 124 Follow Rest oue Do tte n ein ir tis 124 Electrical Cabinet amp Control Panel 125 ANGCeSSOFPIGS iio ren a eO PRES
16. Electrocution or fire may occur if machine is ungrounded incorrectly connected to power or connected to an undersized circuit Use an electrician or a qualified service personnel to ensure a safe power connection Once your machine is set up and assembled as previously described in this manual it is ready to be connected to the power source Note About Extension Cords Using an incorrectly sized extension cord may decrease the life of electrical components on your machine Refer to Extension Cords on Page 18 for more information Note About 3 Phase Power DO NOT use a static phase converter to create 3 phase power it can quickly decrease the life of electrical components on this machine If you must use a phase converter only use a rotary phase converter and connect the manufactured leg to the correct power connection terminal shown in the wiring diagram on Page 90 To connect the power cord to the lathe 1 sure the master power switch is turned to the OFF position then open the electrical cabinet door 2 Thread the power cord through the strain relief and up to the master power switch shown in Figure 21 Figure 21 Location to connect power inside main electrical cabinet 3 Connect the incoming hot wires to the upper master power switch terminals as illustrated in Figure 22 MASTER POWER SWITCH
17. I N h i q ry N Ie For Machines Mfg Since 5 11 End Gears Grease NLGI 2 Frequency Annually or When Changing The end gears shown in Figure 110 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 110 End gears Handling amp Care Make sure to clean and lubricate any gears you install or change Be very careful during handling and storage the grease coating on the gears will easily pickup dirt or debris which can then spread to the other gears and increase the rate of wear Make sure the end gear cover remains installed whenever possible to keep the gears free of dust or debris from the outside environment Lubricating 1 DISCONNECT LATHE FROM POWER 2 Remove the end gear cover and all the end gears shown in Figure 110 3 Clean the end gears thoroughly with mineral spirits to remove the old grease Use a small brush if necessary to clean between the teeth 4 Clean the shafts and wipe away any grease splatters in the vicinity and on the inside of the end gear cover 5 Using 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 6 Install the end gears and mesh them together with an approximate
18. Figure 54 Steady rest components To install and use the steady rest 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean all mating surfaces then place the steady rest base on the bedways so the triangular notch fits over the bedway prism 3 Position the steady rest where required to properly support the workpiece then tighten the hex nut shown in Figure 54 to secure it in place 4 Loosen the clamp knob that secures the two halves of the steady rest and open the top portion as shown in Figure 55 Figure 55 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 the bottom two finger rollers against the workpiece as shown in the example of Figure 55 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 Note The finger rollers should properly support the workpiece along the spindle centerline while still allowing it to freely rotate 8 Tighten the three leaf screws to secure the settings 44 South Bend Lathe Co For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe Follow Rest The follow rest mounts to the saddle with two cap screws see Figure 56 It is used on long slender parts to prevent workpiece deflection from the pressure of the
19. i e An electrician or qualified service personnel ensure the lathe is ready for operation E aod liant o ensure a safe and code compli 6 Check lubricate the lathe connection to the power source 7 Connect the lathe to the power source otton rags 8 Test run the lathe to make sure it functions dui b ly uality metal protectant oi pue e Safety glasses 9 Perform the spindle break in procedure to or ARA repare the lathe for operation TENCI OT 222 P j e Floor mounting hardware as needed e Precision level e Standard screwdriver 2 South Bend Lathe Co For Machines Mfg Since 5 11 PREPARATION 14 TURN X Toolroom Lathe Power Supply Requirements Availability Before installing the machine consider the availability 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 an electrician or qualified service personnel in accordance with all applicable codes 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
20. NEMA 15 20 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 If this machine is Note The circuit requirements in this manual are for 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 the circuit is properly sized South Bend Lathe Co 17 14 TURN X Toolroom Lathe PREPARATION For Machines Mfg Since 5 11 Grounding Requirements This machine must be grounded In the event of certain types of malfunctions or breakdowns grounding provides a path of least resistance for electric current in order to reduce the risk of electric shock Improper connection of the equipment grounding wire can result in a risk of electric shock The wire with green insulation with or without yellow stripes is the equipment grounding wire If repair or replacement of the power cord is necessary do not connect the equipment grounding wire to a live current carrying terminal Check with an electrician or qualified service personnel if you do not understand these grounding requirements or if you are
21. Quick Change Tool Post Set This is probably the smoothest and hardest locking tool post on the market today Wedge locking design prevents tool holder from shifting during the heaviest of cuts The unique and ergonomic handle was designed by South Bend engineers to prevent fatigue during frequent tool changes Set includes Turning tool holder turing boring holder boring bar holder parting blade holder knurl facing holder and tool post w T nut Figure 98 SB1408 Ouick Change Tool Post Set SB1251 Machinist s Oak Tool Box Proudly made in the South Bend tradition this heavy duty oak tool chest will safeguard your finest tools for many years of dependable service Solidly constructed with mortise and tenon joinery this tool box 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 All drawers and 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 Weighs 65 lbs Figure 99 SB1251 Machinist s Oak Tool Box South Bend Lathe Co 63 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 Maintenance Schedule AWARNING Always disconnect power to the machine before perf
22. SPINDLE PULLEY 0590097 HEADSTOCK CASTING Q ES O DW W 68 P6206 OPEN BALL BEARING 6206 OFEN 69 PR31M EXT RETAINING RING 38MM 70 5610590070 SPLINED SHAFT Q 0590095 SPINDLE 7 089007 29810290099 72 5810590072 2901012006 75 0390073 PSB10120082 SPINDLE HEAD CAP SCREW 7 P5610800074 75510120085 75 76 2581059076 77 0120079 _ SPINDLE PULLEY FLAT WASHER PCAPO7M 75 ruwosw LOCK WASHER BMM 79 PCAP3IM CAP SCREW 1 25 X 25 62 F6205 OFEN BEARING 6205 OPEN 50215 TAPERED ROLLER BEARING 30213 NTN 85 PRIM EXT RETAINING RING 25MM 84 PSB10390084_ DRIVE SHAFT END CAP 85 FRO9M EXT RETAINING KING 20MM 86 P6304 0PEN BALL BEARING 6504 0120097 87 5810590087 GEAR 30T PROIM 58 _ PSB10390088 GEAR 38T P32011 T TAPERED ROLLER BEARING 32011 NTN 89 PSB10390089 GEAR 22T PSB10390115 SPANNER NUT 30 P5B10120099 E 10120100 _ OUTBOARD SPINDLE END 100 South Bend Lathe Co For Machines Mfg Since 5 11 i 14 TURN X Toolroom Lathe Headstock Transfer Gears REF PART DESCRIPTION REF PART DESCRIPTION 10 PCAPO4M CAP SCREW M6 1 X10 51 rsB10590181 CoMBO GEAR 21 42 24 5 55 26 55 E 25 20 22510808 120121 22 ia 24 25 25 PSB10390125 GEAR 21 42 44 29 2011 TOP GEAR SHAFT 146 so _ Ps610890180 u a7
23. 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 the stud height does not correct the problem try swapping stud positions on the chuck C NCORRECT INCORRECT Stud Too High Turn In One Turn Stud Too Low Turn Out One Turn Figure 32 Correcting an improperly installed stud South Bend Lathe Co 239 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 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 contact our Tech Support 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 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 contact our Tech Supp
24. b Work Light End Gear Cover Safety Switch Figure 146 COMMON Chuck Guard Safety Chuck Guard Safety Switch Figure 147 H nc m M Guo P Brake Pedal Safety Switch Figure 139 Q Figure 147 Chuck Guard Safety switch locati u E igure Chuck Gua afety switch location To Electrical a Cabinet Page 90 Power Connection Ground Ground Inside Electrical 220VAC Cabinet um 15 20 Plug Page 90 as recommended Power Switch South Bend Lathe Co 95 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 Headstock Cover REF PART DESCRIPTION REF PART DESCRIPTION 1 PS5B10390001 HEADOTOCK OIL FILL CAP 3 PSB10390003_ HEADSTOCK COVER 2 PCAP29M CAP SCREW M6 1 X 40 4 5 10590004 HEADSTOCK COVER GASKET 96 South Bend Lathe Co For Machines Mfg Since 5 11 i ij 14 TURN X Toolroom Lathe Headstock Controls South Bend Lathe Co 97 14 TURN X Toolroom Lathe R LEE For Machines Mfg Since 5 11 Headstock Controls Parts List
25. lines up with the shear pin head 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 PSB10121234 or use the specifications in Figure 129 to fabricate your own Down Figure 130 Shroud washer and shear alignment 3 4 Shear Pin Um Put on safety glasses Move the retaining ring shown in Figure 131 away from the shroud washer NOTE Shear Pin Material S45C SAE 1045 Figure 129 Shear pin specifications Tools Needed Blow Gun w Compressed Air Light Machine As needed NOTICE If you fabricate your own shear pin make sure to use the material and dimensions specified 5 in Figure 129 Otherwise the shear pin may not provide the intended protection and lathe damage could result Figure 131 Shear pin access To make enough room to remove the shear pin move the shroud washer away from the shear pin and against the retaining ring as shown in Figure 131 80 South Bend Lathe Co For Machines Mfg Since 5 11 14 TURN X Toolroom Lathe 6 Use the magnet to remove the shear pin head then rotate the lathe spindle to line up the inner and outer bores
26. 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 71 Annually Change the headstock oil Page 66 Change the apron oil Page 67 Change the gearbox oil Page 67 Lubricate end gears Page 70 Check level bedway Page 23 Cleaning amp Protecting Regular cleaning is one of the most important steps in taking care of 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 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 64 South Bend Lathe Co 14 TURN X Tool
27. 11 14 TURN X Toolroom Lathe Main Motor 2001 100 moj South Bend Lathe Co 118 For Machines Mfg Since 5 11 Ii 14 TURN X Toolroom Lathe Main Motor Parts List REF PART DESCRIPTION REF PART DESCRIPTION oo PSBI0291001__ HEADSTOCK LEFT COVER o27 PSB10291027 emam HEXNUT MI 2 029 _ PoBIorai682 ALL THREAD STUD WIG EXTIO 080 _ F5610591060 MOUNT STUD WASHER O5 __ PoBtotzice4 RUBBER CUSHION RING O82 rcArz w SCREW WG 1XT2 LEFT CABINET SIDE ACCESS PANEL 033 HEX NUT M4 7 05 055 FLAT WASHER TOMM BRAKE PEDAL TENSION SPRING 036 0391036 BRAKE SWITCH BRACKET 038 M PHLP HD SCR M4 7 X 30 MOTOR MOUNT PLATE 039 0121209 FOOT PAD 040 041 PSB10391041__ RIGHT CABINET REAR ACCESS PANEL 042 CAP SCREW M 1 X 10 043 PWO3M FLAT WASHER 6 044 PSBI0391044 ELECTRICAL CABINET W DOOR LATCH 046 FLAT WASHER BWM 046 _ PCAPIAN O47 PS65M PHLP HD SCR M4 7 X 40 046 _ 25810891046 049 049 1 PS6105910404 PSB103910
28. 14 TURN X Toolroom Lathe INTRODUCTION For Machines Mfg Since 5 11 Product Specifications P O Box 2027 Bellingham WA 98227 U S A PHONE 360 734 1540 South Bend Lathe Co www southbendlathe com MODEL SB1039 amp SB1052 14 16 SPEED TOOLROOM LATHES Model Number SB1039 581052 n Product Dimensions Weight 2420 165 2094 lbs Width side to side Depth 5m Sai c 34 frontsto backi Heieht 8094 X 32 X 54 70 X 32 X 54 Foot Print Width Depth 8034 X 19 70 X 19 Shipping Dimensions Wood Slat Crate 2684 Ibs 2314 Ibs 90 x 45 x 69 79 x 45 x 69 Electrical 8 South Bend Lathe Co For Machines Mfg Since 5 11 INTRODUCTION 14 TURN X Toolroom Lathe Model Number SB1039 581052 Main Motor TEFC Induction 5 HP at 3450 RPM 2 5 HP at 1725 RPM Voltage 220V Phase 3 Phase Amps 14A at 3450 RPM 10A at 1725 RPM Speed 3450 1725 RPM Cycle 60 Hz V Belt amp Gear Shielded amp Permanently Sealed Horsepower Power Transfer Bearings Coolant Motor TEFC Induction 220V 3 Phase 0 4A 3450 RPM 60 Hz Direct Drive Shielded amp Permanently Sealed Shielded amp Permanently Sealed Horsepower Voltage Phase Amps Speed Cycle Power Transfer Bearings Operation Information Distance Between Centers 30 Swing Over Cross Slide Swing Over Saddle Maximum Tool Bit Size Carriage Travel Cross Slide Travel South Bend
29. 6 70 PSSO6M 761 FNOSM HEX NUT 8 1 25 71__ 58103907 72 Pss14M SET SCREW ME 1 25 X 12 14 South Bend Lathe Co ts 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 Bed amp Shafts 115 South Bend Lathe Co 14 TURN X Toolroom Lathe PAI R 8 For Machines Mfg Since 5 11 Bed amp Shafts Parts List REF PART DESCRIPTION REF PART DESCRIPTION 801 PSB10121201 BED SB1039 636A 5610121225 FEED ROD CLUTCH COLLAR ASSY Ppi0s21201 0690866 P5SB10121202 BED STOP STUD 03 PB24M HEX BOLT 12 1 75 X 45 OM PWOGM FLAT WASHER 12MM 10121251 2 SCREW M 1 X 20 10121252 ROLL PIN 6 X 25 7M PSB10121227 _ LEADSCREW LOCK NUT 0121234 5505 SET SCREW M6 1 X 8 0121255 P51203 THRUST BEARING 51203 B10121236 P5B10121208 D BRACKET 5502 SET SCREW M 1X 6 PLUBEOO TAP IN BALL OILER 1 4 B10390848 PSB10390812_ FEED ROD END CAP B10390849 BED RACK 581059 PSSI5M SET SCREW 12 1 75 X 12 0520849 BED RACK 581052 5610390214 COMPRESSION SPRING RACK 581059 PSTBOOS STEEL BALL 3 8 SET SCREW 8 1 25 12 PCAP4OM SCREW MB 1 25 X 35 F5B10590852 CAFTIVE PSB103908 APER PIN 6 X 2 PSB10390853_ SPINDLE SWITCH PIVOT ARM 5810590816 SFINDLE ON OFF LEVER KNOB E CLIP 6 5810121212 NDLE ON OFF LEVER PSB10390855_ SPINDLE SWITCH LINKAGE ROD NO9M HEX NUT 12 1 75 PSB10390856 SFINDLE SWITCH BRACK
30. FIN 4 X 24 SET SCREW MG 1X amp PCAPO2M CAP SCREW M6 1 X 20 PCAPIG7M CAP SCREW M6 1 X 70 PCAP38M CAP SCREW M5 8 X 25 266 COMPRESSION SPRING 4 X 19MM 267 265 269 270 27 272 275 274 275 276 216 279 280 GHT UPPER SHIFT FORK 281 OLL FIN 3 X16 268 284 IFT CAM 285 256 268 289 PSB10390289_ WOODRUFF KEY 4X13 290 20 292 T SHIFT m DQ 2 Q m gt 7 Q o Q 7 79 E o gt gt 293 RIG FT FORK PCAP26M CAP SCREW M6 1X 12 294 CAPS CAF SCREW MS B X12 295 COMPRESSION SPRING 4 X 19MM PHLP HD SCR M4 7 X 6 296 PCAPGEM CAP SCREW M8 1 25 X 65 BIO 297 5 20297 MIDDLE SHIFT PIVOT ARM 298 PSB1I01I20296 COMPRESSION SPRING 6 X 13MM 299 PSTBOO STEEL BALL 1 4 500 P9B10120300 SHIFT SHAFT SUPPORT BRACKET 501 PSB10390289 WOODRUFF KEY 4 X13 PSB10390338 TAPER PIN 7 X 3 1 4 PSB10390339_ INNER RIGHT SHIFT PIVOT ARM PSB10390340 DOWEL PCAP190M CAP SCREW MO 1 X 80 South Bend Lathe Co 105 14 TURN X Toolroom Lathe 5 For Machines Mfg Since 5 11 Apron Front View 449 106 South Bend Lathe For Machines Mfg Since 5 11 S 14 TURN X Toolroom Lathe Apron Front View Parts List
31. Lathe Co 9 14 TURN X Toolroom Lathe INTRODUCTION For Machines Mfg Since 5 11 Model Number 581039 SB1052 Headstock Information Tailstock Information Threading Information Dimensions Bea Width 47 10 South Bend Lathe Co For Machines Mfg Since 5 11 INTRODUCTION 14 TURN X Toolroom Lathe Model Number Construction Headstock Headstock Gears ed Stand Paint Other Country of Origin Warranty Serial Number Location Assembly Time Sound Rating at Idle SB1039 581052 South Bend Lathe Co 11 14 TURN X Toolroom Lathe SAI ET Y For Machines Mfg Since 5 11 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 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 equ
32. X 8 03911 ACCESS PANEL 0391120 _ GUARD PIVOT BRACKET RIS ajy gt lo N FLU IPSSI4M SET SCREW M8 1 25 X 12 HEX NUT M4 7 LOCK WASHER 6 B A South Bend Lathe Co 121 14 TURN X Toolroom Lathe 5 For Machines Mfg Since 5 11 Tailstock 1203 1204 1205 1222 1224 1244 oF ij 1227 1247 1255 24 In mo 1246 122 South Bend Lathe For Machines Mfg Since 5 11 ij 14 TURN X Toolroom Lathe Tailstock Parts List REF PART 5 10121801 DESCRIPTION TAILSTOCK LEADSCREW TAILSTOCK LEADSCREW NUT KEY 5X5X 20 G FLANGE SEAT ETAINING RING 32MM 1 o HER DIAL 1 HANDLE 1 ST BEARING 2035 NTB AS2 5 D E O 1 LOCK LEVER CAM SHAFT D D D E G Q STEEL BALL 1 4 Q Q T TOCK LOCK LEVER T TOCK LOCK LEVER CAM SHAFT LL FIN 4 X24 TAF IN BALL OILER 1 4 0591222 LSTOCK CASTING 0121824 QUILL 0121825 QUILL ALIGNMENT KEY 0121826 UPPER OFFSET PLATE 0121827 LOWER OFFSET PLATE 5610121526 ALIGNMENT 5610121529 PIVOT BLOCK RU ARI T RETA RUST WA ADUATE WHEE LE BO WHEE M EE L L ILS ILS BE X R U A A A T U U A A RO B B B B PART PSBI
33. a thin layer of light machine oil on the mating surfaces Place the gap insert into the gap and use dead blow hammer to align the insert with the lathe bed Back off the 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 Mount a dial indicator with a magnetic base to the top of the saddle to indicate alignment First test the peak of the two prisms of the gap insert that the saddle rides on then test the flanks of the prisms Tighten the gap bed cap screws in an alternating manner and tap the side of the gap insert into alignment 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 South Bend Lathe Co 83 14 TURN X Toolroom Lathe TROUBLESHOOTING For Machines Mfg Since 5 11 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 o
34. 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 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 during the installation process 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 spindle cam holes CORRECT INCORRECT Figure 30 Inserting camlock studs into spindle cam holes 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 Cam line between Vs Figure 31 Cam line positioned between the V marks after the camlocks are fully tightened If the cam line is NOT between the
35. 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 SB1039 Full Load Rating 14 4 Amps SB1052 Full Load Rating 14 4 Amps CAUTION For your own safety and protection of property consult an electrician if you are unsure about wiring practices or applicable electrical codes 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 circuit that meets the requirements in the following section Circuit Requirements 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 240V 60 Hz PPR ASG 3 Phase Circuit RatinG ccssssssssssssssssssssssscens 20 Amps Cord S Type 4 Wire 12 AWG 300 VAC Plug Receptacle
36. 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 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 T Wrench eee 1 To install a tool in the tool post 1 Adjust the tool post bolts so that the cutting tool can fit underneath them see Figure 60 Tool Fost di Bolt Cutting Tool Figure 60 Example of tool mounted in tool post AWARNING Over extending a cutting tool from the post will increase the risk of tool chatter breakage or tool loosening 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 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
37. engaged Turn the thermal relay cut out dial to increase working amps and push the reset pin Replace if tripped 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 84 South Bend Lathe For Machines Mfg Since 5 11 TROUBLESHOOTING 14 TURN X Toolroom Lathe 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 Broke
38. general feed Figure 73 operations L Move the feed range lever to the low Low 10 this configuration the end gears are installed position as follows the 24T end gear is installed in the top position the 44T 56T transposing gears in C Point the left quick change gearbox lever the middle position and the 57T end gear in the to the C bottom position as shown in Figure 74 In this configuration the 56T and 57T gears are meshed S Move the middle quick change gearbox lever to the S 8 Position the bottom gearbox lever in the 8 slot W Point the right gearbox lever to the W 22 wy VISIT Figure 73 Power feed controls positioned for 0 18 mm rev Inch and Metric Pitch The lathe is now set up for a power feed rate of Threading 0 18mm per spindle revolution Inch and Metric Feeding Figure 74 End gears in the standard configuration 54 South Bend Lathe Co For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe Alternate Configuration The alternate end gear configuration is used when cutting modular or diametral threads The 57T end gear is positioned on the outside so that it meshes with the 44T transposing gear instead of the 56T gear as illustrated in Figure 75 NN Modular and Diametral Fitch Turning Figure 75 Alternate end gear configuration Configuring End Gears Tools Needed Oty Hex Wrench 6mm
39. place by the jaws use a dial indicator to make sure the workpiece is centered in the chuck If the workpiece is not correctly centered make fine adjustments by slightly loosening one jaw and tightening the opposing jaw until the workpiece is correctly positioned see Figure 37 for an example Figure 37 Example photo of non cylindrical workpiece correctly mounted on the 4 jaw chuck Faceplate Refer to the Chuck Installation see Page 33 and Chuck Removal see Page 34 instructions to install or remove the faceplate The faceplate included with your lathe can be used for a wide range of operations 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 36 South Bend Lathe Co For M
40. sight glass Draining Oil amp Flushing Reservoir Since the apron oil reservoir supplies the one shot oiler the oil is constantly being refreshed when the reservoir is filled However small metal particles may accumulate at the bottom of the reservoir with normal use Therefore to keep the reservoir clean drain and flush it at least once a year South Bend Lathe Co 67 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 Place a catch pan under the apron drain plug shown in Figure 105 loosen the fill plug then use a 6mm hex wrench to remove the drain plug and empty the reservoir Figure 105 Location of apron drain plug Flush the reservoir by pouring a small amount of clean oil into the fill hole and allowing it to drain out the bottom Replace the drain plug and add oil as previously described One Shot Oiler The one shot oiler shown in Figure 106 lubricates the saddle ways with oil from the apron reservoir To use the one shot oiler 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 while moving the carriage and cross slide through their full range of movement to distribute oil along the ways Lubricate the guides before and after operating the lathe If the lathe is in a moist or dirty environment increase the lubrication i
41. stand then slide the tank out 6 enable the remaining fluid to be poured out in the next step disconnect the fluid hose from the pump see Figure 113 Note The electrical conduit was purposely left long so the tank can be removed and dumped out without disconnecting the wires from the pump 7 Pourthe remaining coolant into the 5 gallon bucket and close the lid 8 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 manufacturer s requirements 0 South Bend Lathe For Machines Mfg Since 5 11 EY h 3 N EY N I4 14 TURN X Toolroom Lathe 9 Tip 10 11 12 13 14 Slide the tank partially into the base and re connect the fluid hose 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 access cover panel Re connect the lathe to power and point the nozzle into the chip drawer Turn the master power switch ON then reset the STOP button Turn the coolant pump ON to verify that fluid cycles properly then turn it OFF Machine Storage To prevent the deve
42. the cutting tool to the spindle centerline as instructed in the next subsection 46 South Bend Lathe Co For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe Aligning Cutting Tool with Spindle Centerline For most operations the cutting tool tip should be aligned with the spindle centerline as illustrated in Figure 61 Cutting Spindle Center Line Figure 61 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 Spindle Centerline on Page 40 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 Tools Needed Qty Tool Post T Wrench eee 1 Steel
43. the handwheel handles thread the large handle into the carriage handwheel and the small handle into the cross slide handwheel as shown in Figure 20 Handwheel Figure 20 Handwheel handles installed Lubricating Lathe GEARBOXES MUST BE FILLED WITH OIL STOP OIL MAY NOT BE SHIPPED WITH MACHINE Refer to Lubrication Section for Correct Oil Type The headstock quick change 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 66 for details on how to check add oil and prime the headstock oil pump 24 South Bend Lathe Co For Machines Mfg Since 5 11 PREPARATION 14 TURN X Toolroom 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 64 Note If this lathe was shipped with oil in the reservoirs do not change that oil until after the test run and spindle 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 on Page 71 Power Connection AWARNING
44. the workpiece at the preset angle of the compound rest Coolant Flow Control Lever Controls the flow of coolant from the nozzle One Shot Oiler Draws oil from the apron reservoir to lubricate the carriage ways through various oil ports Carriage Lock Secures the carriage in place when it should not move Thread Dial and Chart Dial indicates when to engage the half nut during threading operations Chart indicates on which thread dial reading to engage the half nut for specific inch thread pitches Spindle Lever Starts stops and reverses direction of spindle rotation Half Nut Lever Engages disengages the half nut for threading operations Apron Feed Direction Knob Changes direction of the carriage or the cross slide feed without having to stop the lathe and move the headstock feed direction lever Feed Selection Lever Selects the carriage or cross slide for power feed Carriage Handwheel Moves the carriage along the bed Apron Houses the carriage gearing Cross Slide Handwheel Moves the cross slide toward and away from the workpiece South Bend Lathe Co For Machines Mfg Since 5 11 INTRODUCTION 14 TURN X Toolroom Lathe Tailstock Figure 7 Tailstock controls Y Quill Handwheel Moves the quill toward or away from the spindle Z Graduated Scale Indicates quill movement in increments of 0 001 with one full revolution equaling 0 200 of quill travel
45. 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 freight claim so save the containers and all packing materials for possible inspection by the carrier or its agent Inventory Main Inventory 1 Figure 11 Qty A Steady Rest Assembly Installed 1 B 10 Faceplate w D1 5 Camlock Stud Set 1 C 10 4 Jaw Chuck w Combo Jaws SB1227 1 D 3 Jaw Chuck Key ee 1 4 Jaw Chuck Key ee 1 F Follow Rest Assembly Installed 1 Tool Box Inventory Figure 12 Oty G Tool BOX osi HD rene 1 H Open End Wrench 22 24mm 1 I Open End Wrench 14 17mm 1 J Open End Wrench 10 12 1 K Phillips Screwdriver 2 1 L Standard Screwdriver 2 1 M Hex Wrench 1 N Tapered Spindle Sleeve MT 5 8 1 Dead Center MT33 8 ses 1 P Carbide Tipped Dead Center MT 8 1 Q Camlock Key 01 5 sseeeee 1 Tool Post T Wrench Clamped on Tool Post 1 S Hex Wrench Set 1 5 10 1 T Carriage Handwheel Handle 1 U Cross Slide Handwheel Handle
46. 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 7 Re install the end gear cover before re connecting the lathe to power 70 South Bend Lathe Co For Machines Mfg Since 5 11 EY h 3 N EY N I4 14 TURN X Toolroom Lathe 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 Figures 111 112 to identify the locations of the coolant system controls and components Coolant Catch Tay Chip Drawer Pump amp Reservoir Inside Cabinet Figure 112 Additional coolant components 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 regula
47. 03 as indicated on the graduated 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 Cross Slide Tools Needed Qty Hex Wrench 8mm eee eene 1 Hex Wrench 5mm 1 The cross slide backlash is adjusted by loosening all four cap screws shown in Figure 115 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 Figure 115 Cross slide backlash adjustment screws 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 graduated dial If you end up adjusting the nut too tight loosen the set screw tap the cross slide a few times with a rubber or wooden mallet and turn the handwheel slowly back and forth until the handle turns freely then try again Remember to re tighten the four cap screws when you are finished 74 South Bend Lathe Co For Machines Mfg Since 5 11 14 TURN X Toolroom Lathe Leadscrew End Play Adjustment After a long period of time you may find that the lea
48. 08 0120908 525 5505 SET SCREW M6 1 X 8 509 0120909 526 PCAPO2M CAP SCREW M6 1 X 20 510 0120910 COMPOUND SLIDE 527 PRIVOOIM STEEL FLUTED RIVET 2 X 5MM 511 012091 COMPOUND SLIDE GIB 528 PSSI4M SET SCREW M8 1 25 X12 512 0121832 529 FLUBEOO TAP IN BALL OILER 1 4 515 5 10120915 550 PSTB001 STEEL BALL 1 4 514 PSBIOS90514A 551 PSSI6M SET SCREW 8 1 25 X10 516 sez rooosw SET SCREWMG 1K8 110 South Bend Lathe Co For Machines Mfg Since 5 11 14 TURN X Toolroom Lathe South Bend Lathe Co 111 14 TURN X Toolroom Lathe PAI R LEE For Machines Mfg Since 5 11 Saddle Top View Parts List REF PART DESCRIPTION REF PART DESCRIPTION eo _ PSB10390601_ GIB ADJUSTMENT SCREW eso _ PSB10390630_ THRUST BEARING 1730 NTB AS2 7981012002 _ GROSS SLIDE es PSB10121003 _ SLIDE PIVOT FIN 18 X 28 632 PSB10121004 COMFOUND SLIDE PIVOT T BOLT 633 PSBIOI2ZI005 CROSS SLIDE GIB 634 PSB10120924 CROSS SLIDE WAY WIPER 635 PSB10120921 CROSS SLIDE WAY WIPER PLATE 656 25610390008 657 5 65 640 _ PaBIOT2I040 _ P6B10121051 ONESHOT OILER ASSEMBLY 654 5 5 E 656 roszew 1 50 657 rcArons CAP SCREW MET 20 eNozw HEXNUT rwozw FLAT WASHER OMM 660 G61_ PCAPOGM CAP SCREW 25 66
49. 14 TURN X TOOLROOM LATHE MODEL SB1039 14 X 40 MODEL SB1052 14 X 30 end Lathe ao 5 MODEL S510 o Kap 39 14 X40 OWNER S MANUAL South Bend Lathe Co Hundreds of Thousands of Lathes Sold With a Tradition of Quality Since 1906 November 2011 by South Bend Lathe Co For Machines Mfg Since 5 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 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 clarific
50. 2 665 664 666_ PCAPTIN 667 _ 2 112 South Bend Lathe For Machines Mfg Since 5 11 14 TURN X Toolroom Lathe Saddle Bottom View 648 645 Viewed from underneath the saddle 649 647 644 644 t 665 en REF PART DESCRIPTION REF PART DESCRIPTION 641 10121041 GEAR BUSHING 649 5 10590649 OIL PIPE 6 X160MM 0121042 250 0121043 _ SHAFT 651 PSBI0121051 0590644 652 5610121052 0590646 665 resos 0590646 669 2 0590647 PSSM 0121048 South Bend Lathe Co 113 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 Bed Stop Dial Indicator 759 LI S E E 751 2 z 701 704 e J 702 752 705 705 DO v Deb ms 709 no D 71 4 ae 707 712 E 708 REF PART DESCRIPTION REF PART DESCRIPTION 701 PCAP7IM CAP SCREW M10 1 5 X 60 751 PSB10120701 DIAL PLATE 702__ PRIVOOIM 75 _ 5910120702 705 PSBI0120803 753 DIAL INDICATOR CASTING 704 P5B10120804 754 PSB10120705 KNURLED KNOB 705 _ PSB10120805 755 DOUBLED END LOCK STUD 706 _ FSBI0120806 787 _ 5 707 _ PSB10120807 758 __ DIAL GEAR 16T 706 PSSIOM 759 CAP SCREW MO 1 X 10 709 PSB10120809 760 SET SCREW M6 1X
51. 25 FIN 4 X 1 3 4 049 2 P5B10391049 2 FAN PSBIOS91026 BRAKE BELT BOTTOM CLAMP PLATE 049 3 P5B10391049 3 MOTOR JUNCTION BOX South Bend Lathe Co 119 For Machines Mfg Since 5 11 14 TURN X Toolroom Lathe Stands amp Panels South Bend Lathe 120 For Machines Mfg Since 5 11 S 14 TURN X Toolroom Lathe Cabinets amp Panels Parts List REF PART DESCRIPTION REF PART DESCRIPTION 01 P5B10391101 BRAKE PEDAL SHAFT SB1039 24 26 CAP SCREW M6 1 X 12 BRAKE PEDAL SHAFT SB1052 SAFETY SWITCH BRACKET P5B10121605 _ BRAKE PEDAL 581059 5 1052102__ BRAKE PEDAL 561052 HD SCR M4 7 X 40 PSB10121608 LOCK COLLAR PCAPOIM CAP SCREW PCAPSGM CAP SCREW 5 X10 CAP SCREW 8 1 25 X 20 PCAPOAM CAP SCREW X10 9192 CHUCK GUARD KNOB 5 1052108 __ CENTER PANEL SB1052 SCREW M6 1X20 PSBIOZ9INO CHUCK GUARD PIVOT ROD PSB 9 521059156 CHUCK GUARD CAP SCREW MO 1 X 12 LAN PSBIOZ9I1 CENTER PANEL BRACKET PHLP HD SCR M6 1X10 PHLP gt m SHAFT CLUTCH COVER PFH PSB 9 PSB PSSI4M PNO4M SET SCREW M5 8 X 16 UTTING FLUID PUMP 1 8HP 220V 3PH CUTTING RESERVOIR CUT T Q cS E FLAT HD SCR M5 8
52. 4 fractional 2 The thread dial is not used for 27 or metric threading or diametral and modular pitches see Figure 86 The half nut must stay engaged with the leadscrew throughout the entire threading operation Thread Dial Not Used Figure 86 Half nut stays engaged for 2 TPI Chip Drawer The chip drawer catches swarf and metal chips during the machining process It contains a screen that keeps the large chips from returning to the reservoir with the run off coolant this prevents the chips causing pump damage Also it slides open and is removable for cleaning see Figure 87 Figure 87 Chip drawer CAUTION The chip drawer is very heavy Unless removing the chip drawer for cleaning do not pull it out more than halfway to prevent it falling and causing impact injuries If removing the drawer for cleaning get assistance South Bend Lathe Co 59 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 Coolant System AWARNING When the coolant pump is turned ON the fluid j K BIOLOGICAL amp POISON is delivered through the nozzle attached to the 56 HAZARD carriage The flow is controlled by the valve lever Use the correct personal at the base of the nozzle see Figure 88 protection equipment when handling coolant Follow federal state and fluid manufacturer requirements for pr
53. Chuck Installation see Page 33 and Chuck Removal see Page 34 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 forces involved in machining a non concentric or off center workpiece always use a low spindle speed to reduce risk of the workpiece coming loose and being thrown from the lathe which could cause death or serious personal injury Mounting Workpiece 1 DISCONNECT LATHE FROM POWER 2 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 help from another person or a holding device position the workpiece so it is centered in the chuck South Bend Lathe Co 35 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 5 Tighten each jaw in small increments After you have adjusted the first jaw continue tightening the remaining jaws in an opposing sequence as shown by the sequential order in Figure 36 Workpiece Center Foint Figure 36 4 jaw tightening sequence 6 After the workpiece is held in
54. Dead Center Co Carbide Tipped Dead Center Adapter Sleeve Figure 49 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 for operations 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 The tip of the center must be generously lubricated during the operation to avoid premature wear and maximize smooth operation Using low spindle speeds will also reduce the heat and wear from friction South Bend Lathe Co 41 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 Live Centers A 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 pre
55. ELI9 615 RELEASE BOLT NOTICE LABEL 603 ELOIHS 616 THREAD DIAL CHART LABEL 604 617 _ Psbi0122408 605 CHANGING GEARS LABEL 618 5 10591618 561059 MODEL NUMBER LABEL 606 HS 618 B10521618 _ SB1052 MODEL NUMBER LABEL 607 CHUCK KEY HAZARD LABEL 619 PSBPAINTO2 _ 5 LIGHT BLUE TOUCH UP PAINT 608 HS 1522 SOUTH BEND NAMEPLATE 255MM 609 BLABELISM ELECTRICITY LABEL 610 HS 0122423 220V 3 PHASE LABEL 6m FoPLABELOCHO BIOHAZARD LABEL 091023 0 9012 0521625 Gi reerAmros 0301024 128 South Bend Lathe WARRANTY 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 Comp
56. ET 121211 STEP PIN PSB10390857 SPINDLE SWITCH 5810590822 __ BEARING 1831 NTB AS2 5 10121210___ SPINDLE ON OFF LEVER HUB PSBI0121209 PCAPO4M SCREW M6 1 X 10 5505 F568M PHLP HD SCR M6 1X 10 5810590826 5810590862_ SPINDLE SWITCH COVER BOX 0520826 5010101254 0390827 161254 1 LAMP BODY 0520827 ova 0121215 012120 012027 7 SCREW MIO 1 5 X 25 0590855 _ SFNDLE ROD 561056 0520885 SPINDLE ROD 681052 29010121222 PCAPORN y J e gt T n gt 7 JT 116 South Bend Lathe Co For Machines Mfg Since 5 11 Ii 14 TURN X Toolroom Lathe End Gears 907 906 907 906 REF PART DESCRIPTION REF PART DESCRIPTION 901 2 CAP SCREW M6 1 X 20 PSB10121411 THRUST WASHER 911 oz _ F6B10121402 GEAR FLAT WASHER e 208 es 418 204 kee ee 216 7 917 915 919 905 906 HEX NUT M14 2 507 208 509 eno CAP SCREW 5 1 25 X 20 5 10590917 FLAT WASHER 5610121415 GEAR 57T 5610121419 GEAR SPACER P5561012 5 105 561012 PKIGGM PN32M PSBIOI2 561012 South Bend Lathe Co 117 For Machines Mfg Since 5
57. For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe Setting Power Feed Rate The feed rate chart on the upper right of the headstock face displays the settings for the headstock feed controls for metric and inch feed rates 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 Setting Power Feed Rate of 0 18mm rev 1 Make sure the end gears are in the standard configuration which is applicable for general Figure 71 Apron power feed controls feed operations refer to End Gears on the next page for detailed instructions E Feed Selection Lever Directs the power feed to either the cross slide or the carriage 2 Locate the line in the feed rate chart that lists the setting for 0 18mm of feed per When the lever is down and the indent pin revolution of the spindle as illustrated in is pointing up the cross slide is selected Figure 72 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 050 LCTiW 002 component you are trying to engage so that the apron gears can mesh 055 LCT2W 0022 065 LCTAW 003 F Apron Feed Direction Knob Changes the 085 LCT8W 0033 feed direction when
58. L SEAL 24 X 35X68 BALL BEARING 600172 EXT RETAINING RING 12MM South Bend Lathe Co 103 For Machines Mfg Since 5 11 14 TURN X Toolroom Lathe Gearbox Controls UL Sy N LEN NA A v SS XN South Bend Lathe Co 104 For Machines Mfg Since 5 11 S 14 TURN X Toolroom Lathe Gearbox Controls Parts List REF PART DESCRIPTION REF PART DESCRIPTION 262 __ 5 10120262__ COVER GASKET 502 PSB10120302 LEFT SHIFT SHAFT 263 PORPOIS O RING 17 8 X 2 4 P18 264 B10120304 SHIFT SHAFT BUSHING 265 B10120305 LEFT SHIFT FORK PRP24M ROLL PIN5 X16 PSB10290307 SQUARE HD OIL PLUG 1 2 PT 5810590508 PIPE ELBOW 1 2 X 1 2 PT PSB10390309_ PIPE NIPPLE 1 2 X1PT PSB10Z90310 OX FRONT COVER PSBI0I20311 SELECTOR SHAFT PORGO4O O RING 39 4 X 51 G40 PSB10120213 SELECTOR LEVER SUPPORT PSB10390314 COMPRESSION SPRING 9 X 38MM PSBI0120215 SELECTOR LEVER PORGOZO RING 3 1 X 29 4 5 PSB101203 ELECTOR LEVER END CAP PSB101203 ELECTOR PLATE 5 101205 LEVER PSB10120314 SHIFT LEVER WASHER PSB10120321 SHIFT LEVER END CAP PSB10290322 OIL SIGHT GLASS PSB10390323 CONTROL PANEL PLATE PCAPISM AP SCREW M5 8 X 20 PLWOZM LOCK WASHER 6 PCAP26M SCREW MO4 X 12 SCREW MG 1 X 35 PRPO4M ROLL
59. O 2 DESCRIPTION 250 DOG POINT SET SCREW PSB10121840 TAILSTOCK STUD FT 14 2 X 110 26 128 PCAP35M CA SET SCREW 6 CA CA CA SCREW M SCREW M P SCREW MO 1 P SCREW MO 1 X16 X12 X12 25 X 70 25 X 60 South Bend Lathe Co 123 14 TURN X Toolroom Lathe R So For Machines Mfg Since 5 11 Steady Rest Follow Rest 1500 1550 REF PART DESCRIPTION 500 PSBI0122012A STEADY REST ASSEMBLY FINGER ADJUSTMENT KNOB IPRPSIM KOLLFIN 4X 4O REF PART DESCRIPTION 505 550 P5B10122108A FOLLOW REST ASSEMBLY 504 551 22001 FINGER ADJUSTMENT KNOB 505 so 306 558 2581012003 507 554 22104 FINGER ADJUSTMENT SCREW 508 366 2581012205 309 356 122106 BRASS FINGER POINT PSB10122010 CLAMF SCREW 557 5520 SET SCREW M8 1 25 X 8 356 070122014 51012205 NO9M OGM SB 8 SB 9 p PSB101220 CLAMP PLATE 124 South Bend Lathe For Machines Mfg Since 5 11 14 TURN X Toolroom Lathe Electrical Cabinet amp Control Panel Electrical Cabinet
60. PS Mounting Dead Center in Spindle 42 17 Full Load Current Rating 17 Removing Conver moni He Mounting Center in Tailstock 42 Circuit Requirements eese 17 Removing Center from Tailstock 43 Grounding Requirements eese 18 3 Mounting Workpiece Between Centers 43 Extension Cords eese nene 18 Steady Win packing sissies 19 VEEE p 45 INVENTON 19 Carri amp Slide Lock Cleaning amp Protecting 2 20 Find d adc d 22 Physical Environment eere 21 ie Electrical Installation ccccccecseeseeeeeseeeeees 21 Four Way SEO ri o De C P py taling Weight 21 d e Space Allocation 21 ue A Lifting amp Moving 22 ARE d E ps Leveling amp Mam ne 23 anual Feed 5 3 endete 49 i Carriage Handwheel esses 49 23 Bolting to Concrete 24 Cross Slide 49 Assembly 24 S M dcus e Handwheel
61. REF PART DESCRIPTION PSB10120501 COMBO GEAR 18T GOT 75810890402 2 ROLL PIN 4 X 22 PSB10120504 _ COMBO GEAR 81T 60T DOWEL FIN 4 X17 5 10120506 _ GEAR 721 60T 5 10120507 GEAR SPACER PSB10120508 CASTING PLUG 5 10120509 FEED SELECTOR BRACKET PSBIOS90410 OIL FILL CAP 1 1 FEED SELECTOR SPLINED SHAFT O 2 FEED SELECTOR LEVER O 2 FEED SELECTOR FINION SHAFT STEEL BALL 1 4 5 COMPRESSION SPRING 6 X 13MM 6 GEAR SHAFT 16T KEY 5X5X18 e GEAR 81T ROLL PIN 5 X 36 0590420 OIL SIGHT GLASS FROGM PSB10120522 GEAR 18T FORO 7810120524 DESCRIPTION 26 O RING 25 7 3 5 P26 5 COMPRESSION SPRING 4 X 19MM p PS p PS Fo 20266 21027 LEADSCREW STABILIZE 20539 10590440 CARRIAGE GEAR SHAFT 18T WOODRUFF KEY 5 X1 CARRIAGE GEAR SHAFT HOUSING CARRIAGE GRADUATED DIAL COMPRESSION SPRING PSB10120545 CARRIAGE HANDWHEEL DWHEEL END CA 20547 HANDWHEEL HANDL 20506 HANDLE CAP SCREW BED STOP PLATE 5526 SET SCREW M5 8 X 6 7 SCREW M5 8 X 55 5520 SET SCREW 8 1 25 X 8 PCAPOW AWOSV 20541 20542 20515 South Bend Lathe Co 107 14 TURN X Toolroom Lathe LEE For Machines Mfg Since 5 11 Apron Rear View
62. REF PART DESCRIPTION REF PART DESCRIPTION 5 PSB10390005 SPINDLE SPEED SHIFT FORK 55 PSB10390035 SHIFT SHAFT 6 PRPOGM O RING 17 8 X 2 4 P18 7 0390007 0590057 _ SHIFT SHAFT FLAT WASHER 8 0390008 PCAPOIM CAP SCREW M6 1 X 16 9 PECOISM 10120508 SHIFT SHAFT END CAP 10590040 COMFRESSION SPRING 05900 082004 2 0120026 PROSM EXT RETAINING RING 15MM s 581089001 29810390023 4 75808900 6 _ Fero2M 5_ 25210590 7 8 0390018 PSBIOZ90048 SHAFT END CAP o 755105900 CAP SCREW ME B XE 20 P17M CAP SCREW M4 7 X 10 SHIFT HANDLE 21 0590021 GEAR 40T PSB10390051 COMPRESSION SPRING 22 0590022 CAM WHEEL END CAP PCAP92M 28__ FcAPO2M CAP SCREW M6 1X20 24 P044 O RING 43 7 X 3 5 P44 25 0120032 SELECTOR PSBIOZ90055 26 CAP SCREW M5 8 X 10 PSBI0120046 GEAR SHAFT 27 28 9 10390058 29 PROGM 30 75810890060 25210390091 52 55 16870290055 SHIFT FORK z 98 South Bend Lathe For Machines Mfg Since 5 11 14 TURN X Toolroom Lathe Headstock Internal Gears South Bend Lathe Co 99 14 TURN X Toolroom Lathe R LEE For Machines Mfg Since 5 11 Headstock Internal Gears Parts List REF PART DESCRIPTION REF PART DESCRIPTION 58 PCAPOIM CAP SCREW MO 1 X 16 92 10590092 KEY7X7X55 65 _ 25610590065 FORFOTS 66 FOROS 8610390094 67 FRIbM EXT RETAINING RING 30MM R58M 0590096
63. S 126 Front Machine 127 Rear amp Side Machine Labels 128 WARRANTY sssdesstscsessssscssccensycesaasesasevsaseasannes 129 For Machines Mfg Since 5 11 INTRODUCTION 14 TURN X Toolroom 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 which represent the life s work and dreams of many inventors mechanical engineers and world class machinists including the likes of Leonardo da Vinci Henry Maudsley and the founders of Sout
64. Tighten Carriage lock is tightened down Check to make sure the carriage lock bolt is fully released Chips have loaded up 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 48 Gibs are too tight Loosen gib screw s slightly see Page 75 Gears or shear pin broken Replace gears or shear pin see Page 80 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 86 South Bend Lathe Co For Machines Mfg Since 5 11 ul EC R EE 14 TURN X Toolroom 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 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 in
65. URN X Toolroom Lathe Manual Feed The handwheels shown in Figure 65 allow the operator to manually move the cutting tool Rest Handwheel Cross Slide Handwheel m Carriage X Handwheel _ Figure 65 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 Pull the handwheel out to disengage it during power feed operations this will prevent entanglement hazards Cross 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 t
66. achines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe 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 help from another person or a 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 38 for an example Be sure to take into account the rotational 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 and use a dial indicator to make sure that the workpiece is properly positioned for your operation Figure 38 Example photo of workpiece clamped in a faceplate Tailstock The tailstock see Figure 39 is typically used to support long workpieces by means of a live or dead center refer to Centers on Page 41 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 Quill Lock Lever y K Lock Lever Quill Handwheel Figure 39 Tailstock and quill lock levers in locked position Graduated Dial 0 001 One Full Revolution een 0 100 Increments on Quill IATE ee E 0 43 4 in Increments Metric s
67. and Speed Chart 1600 RPM sometimes spindle speed to achieve the best v results The carriage can alternately 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 56 Figure 69 Spindle speed set at 1600 RPM NO TICE 4 Position the spindle speed lever so that Operating the lathe at spindle speeds higher the C is directly under the arrow on the than 350 RPM when the high H gearbox headstock range is selected could result in gearbox damage Always use spindle speeds of The lathe is now set for a spindle speed of 1600 350 RPM or lower when using the high H RPM gearbox range South Bend Lathe Co 51 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 A Feed Range Lever Selects the low or high N O TI CE feed rate range by re aligning the headstock If the spindle is rotating when attempting to transfer gear In the middle position change the configuration of the headstock disables power feed feed controls the gears in the headstock and quick change gearbox will become damaged B Feed Direction Lever When the lathe is ALWAYS make sure the spindle is completely stopped selects the direction for power feed stopped BEFORE using the headstock c
68. any 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 details of the problem you are having Thank you for your business and continued support South Bend Lathe Co southbendlathe com Printed In U S A TS14364
69. arly 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 crushing injuries Reduce this risk by keeping any included guards covers doors installed fully functional and positioned for maximum protection 12 South Bend Lathe Co For Machines Mfg Since 5 11 SAI d 7 5 REED 14 TURN X Toolroom Lathe 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
70. as shown in Figure 132 Next use the magnet to remove the other half of the broken shear pin when it becomes visible Inner Bore Figure 133 New shear pin installed in bore 9 With the pin completely seated in the bore Outer Bore and the head flush with the leadscrew Wi Uu shoulder slide the shroud washer against the shoulder then rotate the washer 180 to completely cover the head of the shear pin Figure 132 Shear pin bores aligned as shown in Figure 134 7 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 8 Insert the new shear pin into the bore as shown in Figure 133 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 and install a new shear pin later Instead take the time to carefully line up Figure 134 Shroud washer positioning the two bores You may need to file a slight chamfer on the end of the pin to make it easier to insert South Bend Lathe Co 81 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 10 Return the retaining ring against the shroud washer and position the retaining ring ears over the shear pin head as shown in Figure 135 This will prevent the shear pin from falling out if th
71. athe far enough to remove the shipping pallet 8 Raise the lathe a couple of inches and check the balance of the load Ifthe load is not safely balanced immediately lower the lathe and resolve the issue before attempting to lift it again 9 Raise the lathe enough to clear the shipping pallet carefully remove the pallet then lower the lathe into position Leveling amp Mounting You must level your machine and either 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 newspap
72. athe from power before performing these procedures South Bend Lathe Co 15 14 TURN X Toolroom Lathe PREPARATION For Machines Mfg Since 5 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 Things You ll Need To complete the preparation process you will need the following items For Lifting and Moving e forklift or other power lifting device rated for at least 25 more than the shipping weight of the lathe see Product Specifications beginning on Page 8 1 Unpack the lathe and inventory the contents amp ifie vias cach mated orat leat 25 f the box crate more than the shipping weight of the lathe 2 Clean the lathe and its components e Guide rods for steading the load when lifting e Two other people for assistance when moving hine 3 Identify an acceptable location for the lathe mae and move it to that location e Hardwood blocks see Page 22 4 Level the lathe and either bolt it to the floor ren i lace it ts power source that meets the minimum circuit requirements for this machine review 5 Assemble the loose components and make Requirements on the next page for details
73. ation 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 C o 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 Phone 360 734 1540 Fax 360 676 1075 International Fax 360 734 1639 USA Only Email sales southbendlathe com Table of Contents INTRODUCTION ccccssccsscscsccsrcccrccsrcccssceee or Test R n 0 26 About This 3 Spindle 30 3 Recommended 30 3 81 eatures ires purae MERI Operation 31 General 4 Controls am
74. ave enough experience to know when to use a different machine or find a safer way 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 a chuck of the chuck by clamping an oversized workpiece If the workpiece is too 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 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 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 l
75. cluding but not limited to severe burns electrocution or death For your own safety disconnect machine from the power source before servicing electrical 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 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 ta
76. crews Adjustment Screw 1 of 2 Figure 121 Tailstock gib adjustment controls Figure 119 Front saddle gib adjustment screw 76 South Bend Lathe Co For Machines Mfg Since 5 11 RV C 14 TURN X Toolroom Lathe 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 A half nut that is too loose will make it difficult to produce accurate work A half nut that is too tight will increase the rate of wear on itself and the leadscrew Tool Needed Hex Wrench sese esent eere Fer bye PERS 1 To adjust the half nut 1 Disengage the half nut then remove the thread dial 2 Turn the two set screws see Figure 122 clockwise to tighten the half nut and counterclockwise to loosen it Make sure to turn the set screws in even amounts so that one end of the gib 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 V Belts V belts s
77. cribed 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 differently than instructed in that section 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 26 2 Using the spindle speed levers to set the spindle speed run the lathe for 10 minutes at each of the spindle speeds Note If necessary refer to Setting Spindle Speed on Page 50 for detailed instructions 3 Use the foot brake to stop spindle rotation set the spindle speed at 2570 RPM then use the spindle lever to reverse the spindle rotation and run the lathe for 10 minutes 4 Use the foot brake to stop spindle rotation then run the lathe at 215 RPM for 10 minutes with the gearbox range lever on the headstock in the L low position and then run the lathe another 10 minutes with the lever in the H hig
78. 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 56 Follow rest attachment Carriage amp Slide Locks The carriage cross slide and compound rest have locks that can be tightened to provide additional rigidity during operation especially during heavy cuts See Figures 57 58 to identify the locations of the locks for each device B Figure 58 Location of compound rest lock South Bend Lathe Co 45 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 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 scale used for setting the cutting tool to a specific angle Graduated Dial 0 001 0 02mm Full Revolution 0 100 2 54mm Tool Needed Oty Wrench 14MM aset eee teur trenes una Eois 1 To set the compound rest at a certain angle 1 Loosen the two hex nuts at the base of the compound rest 1 of 2 shown in Figure 59 Compound Rest Figure 59 Compound rest 2 Rotate the rest to the
79. d 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 Qty Hex Wrench 6mm eeeeeeH 1 Wrench 17mm eee eene 1 Round Stock 2 x 6 2 Precision Level eeee 5 1 To align the tailstock 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 23 2 Center drill both ends of one piece of round stock then set it aside for use in Step 5 3 Use the other piece of round stock to make a dead center and turn it to a 60 point as illustrated in Figure 45 Figure 45 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 46 for an example
80. done with a pump type oil can that has a plastic or rubberized cone tip We do not recommend using metal needle or lance tips as they can push the ball too far into the oiler break the spring seat and lodge the ball in the oil galley Lubricate the ball oilers before and after machine use and more frequently under heavy use When lubricating ball oilers first clean the outside surface 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 and contaminants coming out of the lubrication area keep pumping the oil can until the oil runs clear When finished wipe away any excess oil For the oil cup lift the lid and fill the cup to the top The oil will slowly drain into the gearing over time Refer to Figures 107 109 and the following descriptions to identify the locations of each oil device Figure 107 Carriage ball oilers and oil cup A Cross Slide Leadscrew amp Nut B Compound Rest Leadscrew amp Nut C Feed Selection Lever Gearing D Cross Slide Leadscrew Bearing Figure 108 Tailstock ball oilers Quill Barrel Quill Leadscrew amp Nut Figure 109 Leadscrew and feed rod end bearing ball oilers Leadscrew End Bearing H Feed Rod End Bearing South Bend Lathe Co 69 14 TURN X Toolroom Lathe
81. dscrew develops a small amount of end play This end play can be removed with an easy adjustment Tools Needed Qty Hex Wrench 93mm eese 1 Wrench 24mm 1 remove leadscrew end play 1 DISCONNECT LATHE FROM POWER 2 Loosen the two set screws in the leadscrew end nut see Figure 116 End Nut amp Set Screws Figure 116 Leadscrew end nut 3 Engage the half nut with the leadscrew 4 Use the handwheel to move the carriage slightly toward the tailstock then tighten the end nut at the same time until the end play is removed 5 Retighten both set screws 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 and 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 han
82. dstock reservoir has the proper amount of oil when the oil level in the sight glass is approximately halfway The oil sight glass is located on the right side of the headstock as shown in Figure 100 Headstoc Oil Sight E Figure 100 Location of headstock oil sight glass Adding Oil The oil fill plug is located on top of the headstock as shown in Figure 101 Figure 101 Headstock fill and drain plugs Changing Oil Items Needed Oty Wrench 1 Catch Pan 2 Gallon eee 1 To change the headstock oil 1 DISCONNECT LATHE FROM POWER 2 Remove the end gear cover Remove the V belts so that oil does not get on them necessitating their replacement refer to the V Belt subsection on Page 77 for detailed instructions 4 Remove the fill plug on top of the headstock to allow the oil to drain more freely 5 Place the catch pan under the headstock drain plug see Figure 101 then remove the plug 6 When the headstock reservoir is empty replace the drain plug and clean away any oil that may have spilled 7T Fill the headstock reservoir until the oil level is approximately halfway in the sight glass 8 Replace and re tension the V belts then secure the end gear cover before re connecting the power 66 South Bend Lathe Co For Machines Mfg Since 5 11 EY h EY N E 14 TURN X Toolroom Lathe Quick Change Gearbox Oil Ty
83. dwheel 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 South Bend Lathe Co 75 14 TURN X Toolroom Lathe S 3 RVI ic For Machines Mfg Since 5 11 Figures 117 121 show the location of the adjustment screws for each gib on this machine Note Remove the thread dial body and the carriage lock clamp to access the saddle gib adjustment screw on the tailstock side see Figure 120 Cross Slide les Gib Adjustment Screw ONE SHOT PUMP v Figure 117 Compound and cross slide gib adjustment screws Figure 120 Carriage lock clamp Note Before adjusting the tailstock gib loosen the clamping hex bolts underneath both ends of the tailstock see Figure 121 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 Offset Adjustment Screw 1 of 2 UY Figure 118 One of two rear saddle gib adjustment s
84. e impact injuries Large or non concentric workpieces must be turned at slow speeds Always use the appropriate feed and speed rates 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 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 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 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
85. e see Page 47 Tighten gibs see Page 75 Turn the quill handwheel until it forces the tapered tool out of quill Clean the taper and bore and re install tapered tool Adjust gib screw s see Page 75 Tighten handwheel fasteners adjust handwheel backlash to a minimum see Page 74 Adjust leadscrew to remove end play see Page 75 Remove gibs clean ways dovetails lubricate and re adjust gibs Loosen gib screw s slightly and lubricate bedways see Page 75 Slightly loosen backlash setting see Page 75 Lubricate bedways and handles Check for debris clean and retighten Re install cutting tool so more than of the total length is sticking out of tool holder Adjust gib screws at affected component see Page 75 Replace or resharpen cutting tool Use the recommended spindle speed South Bend Lathe Co 85 14 TURN X Toolroom Lathe TROUBLESHOOTING For Machines Mfg Since 5 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 40 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
86. e shroud washer should rotate during operation Figure 135 Retaining ring positioned with ears in front of pin access groove Gap Insert Removal amp Installation The gap insert directly under the spindle see Figure 136 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 136 Gap insert Tools Needed Qty Hex Wrenches 6MM eeeeeen 1 Hex Wrench 8mm cccccccccecceseeeseceecseseeeeueaeeens 1 Wrench 1 0m eeu 1 Dead Blow Hammer eeee 1 Gap Removal 1 Remove the four gap bed cap screws shown in Figure 137 Figure 137 Fasteners holding gap in place 2 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 Tap the outside of the gap insert with a dead blow hammer to loosen it then remove it 82 South Bend Lathe Co For Machines Mfg Since 5 11 14 TURN X Toolroom Lathe 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 Wipe
87. eaded 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 Otherwise removal of such tooling may be difficult 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 slot 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 twist 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 quill handwheel clockwise to feed the tool into the workpiece 38 South Bend Lathe For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe Removing Tooling 1 Usea shop rag to hold the tool 2 Rotate the quill 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 42 to remove the tool al Drift Ke
88. ed 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 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 South Bend Lathe Co 13 14 TURN X Toolroom Lathe SAI F E For Machines Mfg Since 5 11 Additional Metal Lathe Safety 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 sever
89. er is placed under one end of the level See the figure below for an example of a high precision level Figure 17 Example of a precision level South Bend Lathe Co 23 14 TURN X Toolroom Lathe PREPARATION For Machines Mfg Since 5 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 18 place them under the six leveling jack bolt locations then adjust the bolts to level the lathe Figure 18 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 FP mmm Figure 19 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 Assembly With the exception of the handwheel handles the lathe is shipped fully assembled To install
90. er 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 a faceplate offers a wide range of uses including machining non concentric workpieces straight turning between centers off center turning and boring 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 Solid Block Chuck Cradle Plywood Chuck Crad Straight Cuts Fabricated Steel Lifting Hook Pre Threaded Hole for Lifting Eye y Figure 29 Examples of common devices used during chuck installation and removal 32 South Bend Lathe Co For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe Chuck Installation To ensure accurate work it is extremely important to make sure the spindle nose and chuck mating surfaces tapers
91. erious 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 For Machines Mfg Since 5 11 INTRODUCTION 14 TURN X Toolroom Lathe Controls amp Components Refer to Figures 2 7 and the following descriptions to become familiar with the basic controls of this lathe Master Power Switch The rotary switch shown in Figure 2 toggles incoming power ON and OFF to the lathe controls It also prevents the electrical cabinet door from being opened when the switch is ON Headstock Main Power Switch Figure 2 Location of the master power switch Two Speed Motor Switch The two speed motor switch has three positions e Low left position enables speeds in the right headstock spindle speed chart e OFF middle position e High right position enables speeds in the left headstock spindle speed chart Two Speed Motor Switch Figure 3 Location of the two speed motor switch a HeL Dn M ae Figure 4 Headstock controls Spindle Speed Charts Display the arrangement of the spindle range and spindle speed levers for each of the 16
92. ets the correct spindle speed for the operation If using power feed selects the proper feed rate for the operation Turns the master power switch ON resets the STOP button then presses the spindle motor ON button Uses the spindle lever to start spindle rotation Uses the carriage handwheels or power feed options to move the tooling into the workpiece for operations When finished cutting moves the spindle lever to the OFF position presses the foot brake to completely stop the spindle then removes the workpiece South Bend Lathe Co 31 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 Chuck amp Faceplate Mounting This lathe is equipped with a D1 type spindle nose This type of spindle uses camlocks that are adjusted with a chuck key 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 neith
93. ffect 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 These sources will help you take into account the applicable variables in order to determine the best spindle speed for the operation 49 South Bend Lathe Co 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 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 the spindle speed lever shown in Figure 67 Spindle Speed amp Range Levers Figure 67 Spindle speed controls The motor switch controls the speed of the spindle motor either a low speed of 1725 RPM or a high speed of 3450 RPM 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 left or right hand speed chart to be available for the spindle speed lever The spindle speed lever selects one of the speeds available in the active chart and column NOTICE If the spindle is rotating when attempting to change the spindle speed the headstock gears will suffer damage ALWAYS make sure the spindle is completely stopped BEFORE using the headstock control levers to make changes NOTICE Operating the lathe at spindle speeds highe
94. 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 WD 40 can be used to remove rust preventative Before using these products though test them on an inconspicuous area of a painted surface to 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 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 wipi
95. h position 5 While the oil is still warm and any metal particles are still suspended in the oil change the headstock and gearbox oil refer to Lubrication beginning on Page 66 for detailed instructions 6 Check the V belt tension and if necessary re tension them refer to V Belts on Page 77 for detailed instructions 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 40 e Compound and cross slide backlash adjustment Page 74 e Gib adjustments Page 75 30 South Bend Lathe Co For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe Operation Overview The purpose of this overview is to provide the novice machine operator with a basic understanding of how the machine is used during operation so they can more easily understand the controls discussed later in this manual Note Due to the generic nature of this overview it is not intended to be an instructional guide for performing actual machine operations To
96. h 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 These 16 Speed Gearhead Lathes are 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 faceplate and premium Allen Bradley contactors thermal relays and fuse system Spindle speeds are controlled by convenient headstock levers which allow the operator to quickly set the spindle speed within the available range of 50 2570 RPM The beds of these lathes are constructed with Meehanite castings that are hardened and precision ground in the tradi
97. h end of the bed as shown in Figure 14 This will keep the lifting straps away from the leadscrew feed rod and spindle rod to prevent bending them during lifting Loooking at Lifting Setup from Tailstock End To Fower Lifting Equipment Leadscrew Feed Rod Control Rod Ye Hardwood Blocks and Flanks SE Fositioned as NAT Required to Prevent Lifting Straps from Bending Leadscrew Figure 14 Lifting setup to keep straps from bending leadscrew or rods Note Fasten a center support between the hardwood blocks so that they will stay spread apart and in place when lifting see the example in Figure 15 Center Support Hardwood Blocking Figure 15 Example of blocking center support 99 South Bend Lathe Co For Machines Mfg Since 5 11 PREPARATION 14 TURN X Toolroom Lathe 6 Attach the lifting straps to the power lifting equipment see Figure 16 for an example Fower Lifting Equipment Use Blocks as Necessary to Space Straps Away from Control Rod Feed Rod and Leadscrew Hardwood Blocking Hardwood Blocking Figure 16 Example of lathe setup for lifting 7 At each end of the lathe have assistants connect guide rods to safely keep the lathe from swaying or tipping during lifting NOTICE When lifting the lathe with straps the load will be top heavy Take extra care to keep the load balanced vertically and only lift the l
98. he handwheel moves the slide 0 100 2 54mm Rotate the dial collar 180 to read in metric units 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 use 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 66 Recommended Cutting Speed FPM x 12 Dia of Cut in inches x 3 14 SpindleSpeed RPM Double if using carbide cutting tool Figure 66 Spindle speed formula for lathes Cutting speed typically defined in feet per minute FPM 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 a
99. he 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 89 Coolant selection table 60 South Bend Lathe Co For Machines Mfg Since 5 11 ACC ESSO R I ES 14 TURN X Toolroom 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 SB1279 10 Pc Precision 5 Collet Set Set of 10 collets sized from 34 Same quality as the individual collets only packaged in one convenient set Figure 90 Model SB1279 10 Pc 5 C Collet Set SB1264 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 SB1264 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 91 Model SB1264 Collect Attachment D1 5 Back Plates SB1397 6 SB1399 8 SB1401 1072 Sized to fit D1 5 chuck mounts these back plates a
100. he nozzle where it will not splash or end up on the floor Tool Selection Cutting with an incorrect or dull tool increases the risk of accidental injury due to the extra force required for the operation which increases the 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 14 South Bend Lathe Co For Machines Mfg Since 5 11 SAI d 7 B RENE 14 TURN X Toolroom Lathe Additional Chuck Safety Entanglement Entanglement with a rotating Chuck Capacity Avoid exceeding the capacity 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 Chuck Speed Rating Excessive spindle speeds greatly increase the risk of the workpiece or chuck being thrown from the machine with deadly force Never use spindle speeds faster than the chuck RPM rating or the safe limits of your workpiece 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 h
101. hreading The thread dial gear must be engaged with the leadscrew for this to work Loosen the knurled knob on the thread dial pivot the dial gear toward the leadscrew so that it properly meshes with the leadscrew threads then re tighten the knob as shown Figure 79 Figure 79 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 when required and prevent an apron crash South Bend Lathe Co 57 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 Thread Dial Chart Find the TPI threads per inch that you want to cut in the left column of the thread dial chart see Figure 80 then reference the dial number 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 Numbered Position Numbered Position 1 2 3 4 22 32 42 72 112 132 Position 24 23 Position 34 334 1 Only 2 Same as Threads Figure 80 Thread dial chart Note The thread dial is not used for metric threading or diametral and modular pitches You must leave the half nut engaged from the beginning until the turning is complete for these types of operations The following examples explain how to use the thread dial chart TPI Divi
102. huck from the spindle using a light rocking motion to carefully slide the studs out of the cam holes 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 34 South Bend Lathe For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe Scroll Chuck Clamping This scroll type chuck has an internal 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 Safer 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 Janise Jaw Use Shallow Bar Stock Unsafe Jaw Fosition and 7 Foor Scroll Gear Engagement Safer Inside Unsafe Jaw Foeition Jaw Use Cylinder Foor Scroll Gear Engagement Figure 35 Jaw selection and workpiece holding 4 Jaw Chuck Refer to the
103. ime 0 110mm 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 Move the quill lock lever toward the spindle to unlock the quill 2 Turn the quill handwheel clockwise to move the quill toward the spindle or counterclockwise to move it away from it 3 Move the lock lever away from the spindle to secure the quill in place South Bend Lathe Co 37 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 Installing Tooling This tailstock uses a quill with an MT 5 taper that has a lock slot in the back of the bore that accepts tang arbors and drill bits see Figures 40 41 for examples Figure 40 Types of tapered arbors and tooling Figure 41 Example photos of inserting MT 5 tools with tangs into the tailstock However other tooling without tangs such as the four remaining tools shown in Figure 40 can still be used if the potential load will not exceed the strength of the tapered fit For example this includes 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 thr
104. imes 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 73 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 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 8mm 1 The compound rest backlash is adjusted by tightening the set screws shown in Figure 114 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 114 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 0
105. 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 The power cord and plug specified under Circuit Requirements section on the previous page has an equipment grounding wire and a grounding prong The plug must only be inserted into a matching receptacle outlet that is properly installed and grounded in accordance with all local codes and ordinances see Figure 10 Grounded Outlet Box Current Carrying Grounding Pin Blades Figure 10 Typical NEMA 15 20 plug and receptacle Extension Cords We do not recommend using an extension cord with this machine If you must use an extension cord only use it if absolutely necessary and only on a temporary basis Extension cords cause voltage drop which may damage electrical components and shorten motor life Voltage drop increases as the extension cord size gets longer and the gauge size get smaller higher gauge numbers indicate smaller sizes Any extension cord used with this machine must contain a ground wire match the required plug and receptacle and meet the following requirements Minimum Gauge Size 12 AWG Maximum Length Shorter is Better 50 ft 18 South Bend Lathe Co For Machines Mfg Since 5 11 PREPARATION 14 TURN X Toolroom Lathe Unpacking This item
106. ipment 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 this manual to identify hazard levels are as follows ADANGER harm WILL occur AWARNING harm COULD occur Death or catastrophic Death or catastrophic Moderate injury or fire MAY occur A 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 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 cle
107. itions to set the threading controls for a metric thread pitch of 1 75 see Figure 77 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 follows Note Each of the thread charts has a C or V in the header that is to be used for all of the listings in that chart For the C use the left quick change gearbox lever and for the V use the right L Move the feed range lever to the low Low position S Point the middle quick change gearbox lever to the S 8 Position the bottom gearbox lever in the 8 slot Y Point the right gearbox lever to the Y The lathe is now set up to cut 1 75 TPmm threads 56 South Bend Lathe Co For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe Apron Threading Controls The half nut lever engages the carriage with the leadscrew which moves the carriage and cutting tool along the length of the workpiece for threading operations see Figure 78 Important Make sure the feed selection lever is in the disengaged middle position before attempting to engage the half nut i Disengaged Slide Disengaged 9 09 rriage Halfnut Lever Feed Control Lever E a Figure 78 Apron threading controls 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 t
108. learn more about specific operations and machining techniques seek training from people experienced with this type of machine and do additional research outside of this manual by reading how to books trade magazines or websites AWARNING To reduce the risk of serious injury when using this machine read and understand this entire manual before beginning any operations 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 metal chips may become airborne leading to serious eye injury Wear safety glasses to reduce this risk To complete a typical operation the operator does the following 1 10 11 12 Puts on safety glasses rolls up sleeves removes jewelry and secures any clothing jewelry or hair that could get entangled in moving parts Examines the workpiece to make sure it is suitable for turning then securely mounts the workpiece in one of the chucks or on the faceplate and removes the chuck key from the chuck Mounts the tooling aligns it with the workpiece then backs it away to establish a safe startup clearance Clears all setup tools from the lathe Checks for safe clearances by rotating the workpiece by hand at least one full revolution Moves slides to where they will be used during operation S
109. lopment 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 storage 1 Run the lathe and bring all gearboxes to operating temperature then drain and refill them with clean oil Pump out the old coolant then add a few drops of way oil and blow out the lines with compressed air 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 Lubricate the machine as outlined in the lubrication section Be sure to use an oil can to purge all ball oilers and oil passages with fresh oil Loosen or remove the V belts so they do not become stretched during the storage period Be sure to place a maintenance note near the power button as a reminder that the belts have been loosened or removed Place a few moisture absorbing desiccant packs inside of the electrical box 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 Every few months rotate by hand all gear driven components a few t
110. 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 increases 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 maintain
111. n 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 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 Possible Solution Re install workpiece as centered with the spindle bore as possible Re tension replace the V belt s as necessary see Page 77 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 centerlin
112. nent location index South Bend Lathe Co 89 14 TURN X Toolroom Lathe E T EC i R Lt For Machines Mfg Since 5 11 Electrical Cabinet Wiring us Ground T lo p 5 12 13 L3 Js 313 D v 2 ul L1 Le i Iu 2 1912 23 45 Li L2 l13 5 f S S9 1 6 9 MASTER SD KA S 3 2 amp CONTACTOR CONTACTOR POWER CONTACTOR CONTACTOR 2 SWITCH zz ub dE RE Ti 4 T2 6 T3 zd Ti 4 T2 6 T3 22 4 2 6 T3 8 2 gm 4gr2 6 8 T4 EG AMP 10 AMP 4 Ro 11 N S S2 035 094 ABISST 19 0 25 97 NO 98 95 NC 96 97 NO 98 95 NC 96 e QE 6606
113. ng Fluid Pump Wiring To Electrical Cabinet Page 90 Cutting Fluid Pump Figure 142 Cutting fluid pump location Ground Coolant Pump Motor 92 South Bend Lathe For Machines Mfg Since 5 11 1 ul EC R E 14 TURN X Toolroom Lathe 2 Speed Motor Switch 2 Seed Motor Switch D Both Sides Shown To Spindle Motor Z Page 92 Front View HI 5 9 Rear T 2 View To Electrical A T1 LOW R1 Cabinet 90 a p 2 Speed Motor Switch Figure 143 2 Speed motor switch South Bend Lathe Co 93 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 Control Panel Wirin Control Panel Figure 144 Control panel location To Electrical Cabinet A lt Page 90 Coolant Pump Switch To Electrical Cabinet Page 90 Figure 145 Spindle rotation switch location 94 South Bend Lathe Co For Machines Mfg Since 5 11 ELECTRICAL 14 TURN X Toolroom Lathe Additional Component Wiring End Gear Cover N on Safety Switch
114. ng 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 clean 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 20 South Bend Lathe Co For Machines Mfg Since 5 11 PREPARATION 14 TURN X Toolroom 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 of 20 95 non condensing or the environment is subject to vibration shocks or bumps Electrical Installation Place this machine near an existing power source that meets the minimum circuit requirements Make sure all power cords are protected from traffic material handling mois
115. nly Lathe is wired out of phase STOP button is engaged or at fault Spindle switch es are at fault Power 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 88 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
116. nterval Check the apron oil level through the sight glass before using the one shot oiler MERRER i JOne Shot Oilers 4 m Figure 106 Location of one shot oiler the apron Longitudinal Leadscrew Oil Type Mobil Vactra 2 or ISO 68 Equivalent OIL Amount id ennn As Needed Lubrication Frequency 5 2 2 o ortis 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 way 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 Note In some environments abrasive material can become caught in the leadscrew lubricant and drawn into the half nut In this case lubricate the leadscrew with a quality dry lubricant 68 South Bend Lathe Co For Machines Mfg Since 5 11 EY h 3 N EY N E 14 TURN X Toolroom Lathe Ball Oilers amp Oil Cup Oil Type Mobil DTE Light or ISO 32 Equivalent Anontib ae pei bred bain 1 or 2 Squirts Fill Lubrication FREQUENCY Daily This lathe has seven ball oilers and one oil cup that should be oiled on a daily basis before beginning operation Proper lubrication of ball oilers is
117. ock 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 49 South Bend Lathe For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe 3 Use the quill 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 Seat the 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 workpiece 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 quill 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 52 then use a drift key to remove the center at p Drift Key Sl
118. odsu a sooeging LL d LLLI LL EL E LE IL EL ET EE ET UL HELL EL uor qn 22 oz se ve ac er et 6 e 2 oe eyg o ueuojurey AjyUOW 34427 pueg unos 9 e T 65 South Bend Lathe Co 14 TURN X Toolroom Lathe E I N i i ry N I4 For Machines Mfg Since 5 11 NOTICE The following recommended lubrication schedules are based on light to medium usage Keeping in mind that lubrication helps to protect the value and operation of the lathe these lubrication tasks may need to be performed more frequently than recommended here depending on usage Failure to follow reasonable lubrication practices as instructed in this manual could lead to premature failure of lathe components and will void the warranty Lubrication Headstock Oil Type Mobil DTE Light or ISO 32 Equivalent e 7 4 Quarts Check Add 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 hea
119. ols Needed Qty Phillips Screwdriver 2 5555 1 Hex Wrench 6mm ccccssssccssssssceccscsceseessscsscees 1 To adjust the brake and brake switch 1 DISCONNECT LATHE FROM POWER 2 respirator and eye protection to protect yourself from hazardous brake dust 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 125 Figure 125 Minimum brake belt thickness When the brake band is new the lining is approximately 6mm thick If the lining thickness wears to 3mm 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 78 South Bend Lathe Co For Machines Mfg Since 5 11 RV I4 14 TURN X Toolroom Lathe 5 Remove the pedal stop shown in Figure 126 i Dies EAR ES Ree LLL T Figure 126 Brake belt adjustment components 6 Move the brake band to the right one hole and re install the pedal stop tightening the cap screw until it is just snug Note If installing a new brake band install the cap screw so there is one hole to the left for future brake adjustment 7 Firmly push the pedal lever to the right until it stops and the brake band is full
120. on 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 84 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 Make sure the master power switch see Figure 23 on the rear of the machine is turned OFF Main Power Switch Figure 23 Location of the master power switch 2 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 26 South Bend Lathe Co For Machines Mfg Since 5 11 PREPARATION 14 TURN X Toolroom Lathe 3 Clear away all tools and objects used during assembly lubrication and preparation Make sure that the chuck and jaws if installed are secure refer to Chuck and Faceplate Mounting on Page 32 Note If a chuck is not installed on the lathe you do not need to install one for this test Push the STOP button on the control panel see Figure 24 and point the coolant noz
121. ontrol levers to make changes Note When the lathe is running use the quick change feed direction knob on the apron Power Feed Controls C Feed Rate Chart Displays the settings for Use Figures 70 71 and the following the headstock and quick change gearbox descriptions to become familiar with the locations controls for the selected feed rate Refer to and functions of the controls that you will use to Setting Feed Rate subsection on the next set up the correct power feed for your operation page for detailed instructions D Quick change Gearbox Feed Levers Configure the quick change gearbox gears for the feed rate selected 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 54 for detailed instructions n Left Lever Positions A C Middle Lever Positions R T Right Lever Positions V Z Bottom Lever Positions 1 8 NOTICE Even though there is a lock out device in the apron to prevent the feed selection lever and the half nut lever from being engaged at the Off same time this lock out device could break if forced Attempting to engage these levers at the same time could cause severe lathe damage and will void the warranty mmmmmm mmmmmm gt i gt MREEEEEERHREMEM To Figure 70 Power feed controls on the headstock 52 South Bend Lathe Co
122. ontrol panel should illuminate 10 To ensure the carriage components do not unexpectedly move during the following steps disengage the half nut lever and feed selection lever see Figure 27 Half Nut Lever Cross Slide Disengaged 2 Halfnut Lever Feed Control Lever Engaged Figure 27 Disengaging carriage components 11 Verify that the machine is operating correctly by pulling the spindle lever out and moving it down to start spindle rotation see Figure 28 Figure 28 Spindle lever in down forward position 12 13 14 When operating correctly the machine runs smoothly with little or no vibration 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 With the spindle lever in the down position the spindle should be rotating counterclockwise down and toward you as you face the lathe Ifthe spindle and chuck are not rotating counterclockwise the power supply is connected out of phase Stop the machine disconnect it from power then follow the instructions in the Correcting Phase Polarity Wiring section on Page 88 After correcting the wiring repeat Steps 9 12 Press the STOP button to turn the lathe OFF then without resetting the STOP button
123. oper disposal NOTICE Running the pump without adequate fluid in Coolant Pump Switch the coolant tank may permanently damage it which will not be covered under warranty To use the coolant system on your lathe 1 sure the coolant tank is properly serviced and filled with the appropriate fluid and that you are wearing the necessary personal protection equipment Figure 88 Coolant flow controls Always use high quality coolant and follow the manufacturer s instructions for diluting The quick reference table shown in Figure 89 can help you select the appropriate fluid 2 Position the coolant nozzle for your operation 3 Use the coolant pump switch on the control Refer to Coolant System Service on Page 71 the pup 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 4 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 Soluble Oil Coolants Oil oll 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 t
124. orming maintenance Failure to do this may result in electrocution or accidental startup injury For optimum performance from this machine this maintenance schedule must be strictly followed We strongly recommend all operators make a habit of following the daily maintenance procedures Use the chart provided on Page 65 to ensure this is done Ongoing The condition of machine components should be carefully observed at all times to minimize the risk of injury or machine damage If any of the conditions below are observed stop the lathe immediately disconnect power and correct the condition before resuming 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 Damaged or malfunctioning components Daily Before Operations Check add headstock oil Page 66 Check add gearbox oil Page 67 Check add apron oil Page 67 Check add coolant Page 71 Lubricate the ways Page 68 Add oil to the ball oilers Page 69 Clean lubricate the leadscrew Page 68 Disengage the feed selection lever on the apron to prevent crashes upon startup e Ensure carriage lock bolt is loose Daily After Operations Depress STOP button and shut OFF the master power switch
125. ort 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 Spindle amp Chuck Registration Marks Chuck Halves Camlock Spindle for Chuck Reassembly Direct Mount Camlock Chuck Figure 33 Registration mark locations 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 refer to Installation amp Removal Devices on Page 32 3 Loosen the camlocks by turning the key counterclockwise until each of the cam lines are aligned with its corresponding spindle mark see Figure 34 Cam line aligned with spindle mark Figure 34 Camlock is fully loosened when the cam line is aligned with the spindle mark 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 4 Using 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 c
126. ot a Figure 52 Drift key slot in the side of the quill 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 quill handwheel clockwise to apply pressure against the workpiece see the example in Figure 53 Only apply enough pressure to securely mount the workpiece between centers Avoid over tightening the center against the workpiece or it may become difficult to remove later Also over tightening will result in excessive friction and heat which may damage the workpiece or center Figure 53 Example photo of a workpiece mounted between the centers South Bend Lathe Co 43 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 Steady Rest 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 54 to better understand its operation Finger Adjustment Leaf Screw gt Br
127. ower and call Tech Support for help 18 Push the STOP button in move the spindle lever to the OFF position then replace the end gear cover 19 Lift the chuck guard up this will activate the chuck guard safety switch Reset the STOP button and attempt to start spindle rotation The spindle should not start If spindle rotation does start with the chuck guard in the up position the safety switch is not operating correctly This safety feature must operate properly before continuing operation Press the STOP button to turn the lathe OFF disconnect it from power and call Tech Support for help 20 Re start spindle rotation use the cutting fluid pump switch on the control panel to start the pump then open the valve Verify that the cutting fluid flows from the nozzle then turn the pump OFF Congratulations The test run is complete Turn the lathe OFF and perform the following Spindle Break In procedure NOTICE After the first 16 hours of use the V belts will stretch and seat into the pulley grooves The V belts must be properly re tensioned after this period to avoid reducing their useful life Refer to the V Belts subsection on Page 77 for detailed instructions South Bend Lathe Co 29 14 TURN X Toolroom Lathe PREPARATION For Machines Mfg Since 5 11 Spindle Break In Before subjecting the lathe to full loads it is essential to complete the spindle break in process as des
128. p i 5 Chuck amp Faceplate Mounting 32 i a oo Installation amp Removal 32 pos ues ch Chuck Installation Ere a ind 33 B E USE AVE TD 5 Registration Marks eee 34 de ies zl didi d Hd LM MM ded uM MM M Chuck Bemoyal ziii rt irap RED 34 radi Eu Scroll Chuck Clamping e 35 CB imos mite 35 e Mounting Workpiece ccssscseccsesesesseesseesseessese 35 Gears aes dist seis eee 7 7 Pace pl ate uet aiai 36 BIEN aa ODT SGM 37 12 Positioning Tailstock eese 37 Understanding Risks of Machinery 12 Using 37 Basic Machine Safety cccccccceseseeeseeeseeeeees 12 Installing Tooling eee 38 Additional Metal Lathe Safety 14 Removing Tooling cec 39 Additional Chuck 15 Offsetting Tailstock eese 39 PREPARATION cssissssscsssccssevssssssesescccsescessascssesess 16 Aligning to Spindle id Centers cerien DS 41 Preparation Overview eene 16 Things You i 16 Centers ei DEW SRI 41 Power Supply 17 Live FERES EET 42
129. pe Mobil Vactra 2 or ISO 68 Equivalent Oil Amount 1Quart Check Add Daily Change Frequency eese Annually Checking Oil Level The gearbox reservoir has the proper amount of oil when the oil level in the sight glass is approximately halfway The oil sight glass is located on the right side of the gearbox as shown in Figure 102 Figure 102 Location of quick change gearbox oil sight glass Adding Oil Use 58 wrench to remove the gearbox fill plug see Figure 103 then add the oil until the level is approximately halfway in the gearbox oil sight glass Figure 103 Locations of the quick change gearbox fill and drain plugs Draining Oil Place a catch pan under the quick change gearbox drain plug see Figure 103 use a wrench to 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 Oil Amount 1 2 Quarts Check Add Daily Change Annually Checking Oil Level The apron oil sight glass is on the front of the apron as shown in Figure 104 Maintain the oil volume so that the level is approximately halfway in the sight glass NODUM Figure 104 Location of apron oil
130. r than 350 RPM when the high H gearbox range is selected could result in gearbox damage Always use spindle speeds of 350 RPM or lower when using the high H gearbox range Configuration Examples Using the controls on the lathe follow along with these two examples for setting the spindle speed to gain a better understanding of this task Setting Spindle Speed of 215 RPM 1 Make sure the spindle is completely stopped and the spindle lever is in the OFF middle position 2 Turn the motor switch see Figure 67 to the low left position Note The green color of the motor switch low position corresponds to the column in the right hand speed chart with the green header that contains the speed of 215 RPM 3 Move the spindle range lever to the right so that the arrow on top of its hub points toward the right hand speed chart see the illustrated in Figure 68 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 Speed Lever Set To B 215 RPM Spindle Range Lever m Pointing To The Right Hand Speed Chart Figure 68 Setting the spindle speed to 215 RPM 4 Position the spindle speed lever so that the is directly under the arrow on the headstock Note You will hear a distinctive click when the spindle speed lever is in the correct position The lathe is now set for a spindle speed of 215 RPM
131. rated in Figure 138 Wiring Overview Swap any two of these wires MASTER POWER SWITCH Tw AY Q 9 9 90 ag Y L2 5 Figure 138 Swapping L1 and L2 power connections to correct out of phase wiring 3 Close and latch the electrical box and reconnect the machine to the power source Power Supply Electrical Cabinet Page 90 Chuck Guard Safety Switch Page 95 Brake Pedal rom Connection A Page 95 Work Lamp TO Page 95 Safety Switch a Page 95 p Spindle Switches p Page 94 End Gear Cover Safety Switch al Coolant Page 95 Pump Motor Page 92 Spindle Motor Page 92 Cj Control Panel Page 94 88 South Bend Lathe Co For Machines Mfg Since 5 11 14 TURN X Toolroom Lathe Component Location Index CO Electrical Work Lamp M Cabinet Page 95 90 Master Power Switch Page 90 Coolant Pump Motor Page 92 Spindle Switches Behind Splash Guard Spindle Motor Page 94 Page 92 Chuck Guard Safety Switch Control Panel ac End Gear Cover Safety Switch Page 95 South Ben MODEL LT Toolroom d Lathe Co Series LSBi039 14 X 40 Brake Pedal Safety Switch Page 95 Figure 139 Compo
132. re precision made and mount to your chuck with minimal modifications Figure 92 D1 5 Back Plate SB1263 Taper Attachment This taper attachment mounts quickly to the back bedway 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 SB1263 features scales at both ends reading inches per foot and degrees An angle adjusting knob with fine threads achieves exacting control when setting tapers Rm Figure 93 Model SB1263 Taper Attachment South Bend Lathe Co 61 14 TURN X Toolroom Lathe ACC R TIN For Machines Mfg Since 5 11 Keyless Integral Chucks SB1379 MT 3 1 2 SB1380 MT 3 These keyless chucks are produced with an integral shank to maximize concentricity between the body shank and jaws They start as a one piece high alloy body which is turned then finish ground throughout making them as close to zero TIR Total Indicated Runout as can be Keyless chuck self tighten so a spanner is provided to ease tool removal Figure 94 MT 3 Keyless Chuck SB1298 SBL Bench Lathe Shop Clock SB1299 SBL Toolroom Lathe Shop Clock SB1300 SBL Lathe with Man These fine traditional shop clocks are constructed with a metal antique finished frame They are easy to read from a distance and measure 14 in diameter Pictures ju
133. 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 Use lifting devices when necessary Clearing Chips Metal chips can easily cut bare skin even through a piece of cloth Avoid clearing chips by hand or with a rag Usea brush or vacuum to clear metal chips 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 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 change coolant regularly and position t
134. rly 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 ages and gets used 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 goggles 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 disposal South Bend Lathe Co 71 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 Adding Fluid 1 DISCONNECT LATHE FROM POWER 2 Remove the vented access cover from the rear of the right stand then slide the tank out as shown in Figure 113 J Electrical Conduit Figure 113 Coolant tank and pump 3 Pour coolant into the tank until it is nearly full 4 Slide the tank back into the cabinet and replace the access cover Changing Coolant When you replace the old coolant take the time to tho
135. room Lathe For Machines Mfg Since 5 11 qnog INOA se dooy Y osn oSed sry Jo GLOT 929 095 OFET FEL 098 edueq eorA1os enuue 9A uoudy esueyD enuue JSEJ IPA Toppen utege 0 pasu IL Nod uouA pue oorAJos enuue INOA 158 nod Udy Jo YILI dooy suroj1 1193 osn YIM u93jo 99u enuuy suro31 ooueuojureuir oq sornb e se pusg u3nog INOA popngour 193sod ooueuojureur JY os JEY uo 3243 JOU sr ooueuojureur no pospe q st ou JI jsi OY uo WIP YILI Ld 91 JNO SSOAD ou3e pusg u3nog uo ooueuojureur JO YILI doox 0 1 esp SIp 43uourooedoa uorjrpuoo JUL OOD UOTJEULAOJUL Suorjondjsut s 24n39egnueur jue ooo IY 03 1981009 1 009 Xoq1eor Ayoyes pue qesod E UOT IPUOD 018 uorjo
136. roughly clean out the chip drawer catch tray and fluid tank The entire job only takes about a 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 Items Needed Qty Safety Wear See Hazards on Page 71 New 25 4 Quarts Empty 5 Gallon Bucket w Lid 2 Phillips Screwdriver reri enar tnos 1 Wrench 1 Disposable Shop Rags As Needed Hose or Tubing x 60 Optional 1 Piece Magnets Optional As Many As Desired To change the coolant Position the coolant nozzle over the back of the back splash so that it is pointing behind the lathe 2 Place the 5 gallon bucket behind the lathe and under the coolant nozzle If you are using the optional hose connect it to the nozzle and place it in the bucket Otherwise you may need to have another person hold the bucket up to the nozzle to prevent coolant from splashing out 3 Turn the coolant pump ON and pump the old fluid out of the reservoir Turn the pump OFF immediately after the fluid stops NOTICE Running the coolant pump without adequate fluid in the tank may permanently damage it which will not be covered under warranty 4 DISCONNECT LATHE FROM POWER 5 Remove the vented access cover from the rear of the right
137. s 2T 4 T2 6 2 2 2 le ei o R1 51 T1 U1 vi 2 l L L nl a Ls rJ 060000 1 0 220 380 400 415 440 HET ED TRANSFORMER o n FUSE Suenn Liang 3 9 250V SP TBSW 10140 ear 0 24 0 220 oco 3 0 FUSE LE 500MA 250V nn R1 S1 1 1 01 1 E 0 334 5 6 7 8 G 6 6 G 00 Ground a l l l E amp lalr 5 5 amp l n e amp amp amp 66 6 6 66 6 90006l 69 6 6 6 6 R1 s1 1 1 0101111121213 134 14 5 1616 7 8 n er Ri T Ev 6 JU 1 2 4 ist 123168 Is wi n To Motor To Coolant To End Gear To Brake Pedal To Control To Spindle Switch Pump Motor Cover Safety Safety Switch Panel Switches Page 93 Page 92 Switch Page 95 Page 94 Page 94 95 To Power Supply Connection Page 95 90 South Bend Lathe Co For Machines Mfg Since 5 11 EC R EE 14 TURN X Toolroom Lathe Electrical Box Figure 140 Electrical box South Bend Lathe Co 91 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 Spindle Motor LOW U2 69 U1 HI v1 LOW wi w2 Low 9 9 Ground Spindle Motor Figure 141 Spindle motor junction box To 2 Speed Motor Switch Page 93 Cutti
138. sible By 4 For threading a TPI that is divisible by four use any line on the thread dial see Figure 81 4 8 12 16 20 24 Any Position 28 32 36 40 44 48 56 60 72 Figure 81 Any position on the dial for threading TPI divisible by 4 Even TPI Not Divisible By 4 For threading a TPI that is even but not divisible by 4 use any of the non numbered lines on the thread dial see Figure 82 Non Numbered Position 2 6 10 14 18 22 26 30 54 Figure 82 Marks are selected on the dial for threading even TPI not divisible by 4 Odd Numbered TPI For odd numbered TPI use any of the numbered lines on the thread dial see Figure 83 Numbered Position 1 2 3 4 Figure 83 Numbers are selected on the dial for threading odd numbered TPI 1 Fractional TPI Use any opposing number pairs 2 4 or 1 3 on the thread dial for fractional TPI see Figure 84 For example to cut a 3 thread select 1 or 3 on the dial 212 3V2 4V2 Position 712 112 132 1 3 or 2 4 Figure 84 Opposing number group are selected on dial for cutting 72 thread 58 South Bend Lathe Co For Machines Mfg Since 5 11 OPERATION 14 TURN X Toolroom Lathe 14 or 34 Fractional TPI For TPI that have fraction use position 1 on the thread dial see Figure 85 TPI 2V4 23A Position 3VA 33A Only Figure 85 Position for 1 4 or 3
139. sk replace those wires or components before completing the task Experiencing Difficulties If you are experiencing difficulties understanding 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 B GRAY Gy ob oane O O a The photos and diagrams included in this section are best viewed in color You can see them in color at www southbendlathe com PINK Co PURPLE WHITE YELLOW GREEN YELLOW V South Bend Lathe Co 87 14 TURN X Toolroom Lathe E L E A i R E For Machines Mfg Since 5 11 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 illust
140. spindle speeds The two speed motor switch selects the available speeds from the high or low spindle speed chart Spindle Range Lever Selects the speeds shown in the left high or right low spindle speed chart to be active Spindle Speed Lever Selects one of the four available spindle speeds within the selected speed range Threading and Feed Charts Displays the necessary configuration of the gearbox levers and end gears for different threading or feeding options Gearbox Range Lever Shifts the quick change gearbox into low range neutral or high range Headstock Feed Direction Lever Controls the direction that the leadscrew and feed rod rotate Quick Change Gearbox Levers Control the leadscrew and feed rod speed for threading and feed operations South Bend Lathe Co 5 14 TURN X Toolroom Lathe INTRODUCTION For Machines Mfg Since 5 11 Control Panel Figure 5 Control panel Coolant Pump Switch Controls the coolant pump motor Power Light Illuminates when lathe controls are receiving power STOP Button Stops all machine functions Twist clockwise to reset Jog Button Starts forward spindle rotation as long as it is pressed Carriage Figure 6 Carriage controls L 4 Way Tool Post Mounts up to four cutting tools at once that can be individually indexed to the workpiece Compound Rest Handwheel Moves the tool toward and away from
141. st don t do them justice They are very nice quality clocks and perfect for the South Bend Lathe aficionado Figure 95 Antique finished South Bend shop clocks SB1354 South Bend Cast Iron Workbench Legs 1 Pair Designed with smooth flowing lines reminiscent of the early 1900 s these heavy cast iron legs provide plenty of support and stability for shop made workbenches or machine stands Just add your own bench top and bottom shelf to suit your particular needs Each leg weighs in at 107 pounds and provides plenty of mass to dampen machine operations or provide an extremely stable work surface The South Bend Lathe logo is also proudly displayed on each leg on a thick brass nameplate as a reminder that these cast iron legs will stand up to a lifetime of dependable service Distance from floor to top support 36 distance from floor to shelf support tab 7 Bench Top amp Shelf Not Included Figure 96 South Bend Cast Iron Workbench Legs 62 South Bend Lathe Co For Machines Mfg Since 5 11 R i ES 14 TURN X Toolroom Lathe SB1365 Way Oil Engineered for the high pressure exerted on horizontal or vertical ways and slides Protects against rust and corrosion Ensures stick free smooth motion which maximizes finishes and extends the life of your machine Won t gum up 12 oz AMGA 2 ISO 68 equivalent Figure 97 SB1365 Way Oil SB1408
142. the lathe is running 10 LCS2W 004 13 LCS4W 005 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 waiting until the spindle is the feed direction lever N O When using power feed to move the cross NOTICE Depending on the combined configuration of the headstock feed direction lever and the Figure 72 Feed rate chart slide the feed rate is 1 2 the value stated in the feed rate chart apron feed direction knob the actual direction of power feed may be different from the printed indicators on the machine South Bend Lathe Co 53 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 3 The configuration string of characters to the right selected foed rate LCS8W End Gears displays the positions to set the feed controls end gears can be setup for the standard or for a feed rate of 0 18mm rev see Figure alternate configuration depending upon the 72 type of operation to be performed The lathe is shipped with the end gears in the standard Note In the next step use the chuck key to rock configuration the spindle back and forth to help mesh the Standard End Gear Configuration 4 Position the controls as directed by Use the standard end gear configuration for inch the configuration string as follows see threading metric threading and all
143. the leadscrew Failure to heed this notice could result in the carriage crashing and causing severe machine or property damage Tools Needed Oty Hex Wrench 8mm eee eene 1 To set the micrometer stop 1 DISCONNECT LATHE FROM POWER 2 Loosen the cap screws shown in Figure 64 then use the carriage handwheel to position the carriage and cutting tool at the desired Figure 63 Adjustable feed rod stop stopping point NOTICE The adjustable feed stop system is designed to stop longitudinal carriage movement at the desired location ONLY when 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 s carriage movement you must use the half Figure 64 Micrometer stop nut lever instead Otherwise the carriage can crash into the chuck or if it contacts the stop 3 Move the micrometer stop up to the carriage the leadscrew shear pin will break use the graduated dial to fine tune the position then retighten the cap screws Before doing any threading operation make loosened in Step 2 sure to loosen the feed stop collar so it slides freely on the feed rod and will not interfere 4 Verify that tooling will not make contact with carriage travel with the chuck jaws or other components 48 South Bend Lathe Co For Machines Mfg Since 5 11 OPERATION 14 T
144. tional three V way prismatic design long used on South Bend Lathes for its accuracy durability and rigidity The headstocks feature quick change gear levers and the carriages include an adjustable clutch that disables automatic carriage feed when it contacts the included feed stop or in the event of a crash To further ensure a high degree of accuracy these lathes are equipped with Japanese spindle bearings The spindles are D1 5 camlock with an MT 5 taper and 1 57 bore The tailstocks have an taper and 4 5 of quill travel South Bend Precision Toolroom Lathe Circa 1958 South Bend Lathe Co 3 14 TURN X Toolroom Lathe INTRODUCTION For Machines Mfg Since 5 11 General Identification Series dd gl South Bend Lathe Co Toolroom MODEL 81039 Due Figure 1 Identification Coolant Nozzle amp Valve see Page 5 for details Tailstock see Page 7 for details A Headstock L Longitudinal Leadscrew D1 5 Camlock MT 5 Spindle M Feed Rod C 3 Jaw Chuck 8 N Coolant Reservoir amp Pump Access D Chuck Guard w Safety Switch O Carriage see Page 6 for details E Steady Rest P Safety Foot Brake F Follow Rest O Chip Drawer G Halogen Work Lamp R Micrometer Stop H 4 Way Tool Post S Two Speed Motor Switch I Compound Rest T Quick Change Gearbox Controls J K c Headstock Controls see Page 5 for details AWARNING AWARNING S
145. tretch and wear with use so check the tension on a monthly basis to ensure optimal power transmission Replace all of the V belts as a matched set if any of them show signs of glazing fraying or cracking Tools Needed Oty Phillips Screwdriver 2 1 Open End Wrench 24mm e 1 To adjust the V belts 1 DISCONNECT LATHE FROM POWER 2 Remove the end gear cover and the motor access panel to expose the V belts and pulleys see Figure 123 End Gear Cover MotorAccess Panel Figure 123 End gear cover and motor access panel South Bend Lathe Co 77 14 TURN X Toolroom Lathe For Machines Mfg Since 5 11 3 Adjust the hex nuts on the motor mount bolts shown in Figure 124 until there is approximately 94 deflection of the V belts when moderate pressure is applied midway between the pulleys Mour Hex Nuts amp Bolts Deflection Figure 124 Adjusting V belt tension Firmly tighten the hex nuts to secure the setting then re install the covers Brake amp Switch 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 To
146. try to restart spindle rotation The spindle should not start If spindle rotation does start with the STOP button pressed in the STOP button safety is not operating correctly This safety feature must operate properly before continuing operation Use the spindle lever to stop the lathe disconnect it from power and call Tech Support for help Move the spindle lever to the OFF middle position reset the STOP button by twisting it clockwise until it pops out then restart spindle rotation 28 South Bend Lathe Co For Machines Mfg Since 5 11 PREPARATION 14 TURN X Toolroom Lathe 15 Push the foot brake The spindle should come to a quick stop If the brake pedal has no effect on the lathe push the STOP button and refer to Brake amp Switch on Page 78 to make any required adjustments 16 Move the spindle lever to the OFF middle position Remove the end gear cover from the left side of the headstock This activates a safety switch that should prevent the spindle from starting while this cover is removed 17 Stand away from all the exposed gears on the side of the headstock and attempt to start spindle rotation The spindle should not start If spindle rotation does start with the end cover removed the safety switch is not operating correctly This safety feature must operate properly before continuing operation Press the STOP button to turn the lathe OFF disconnect it from p
147. ture chemicals or other hazards Leave access to disconnect the power source or engage 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 Weight Load Refer to the Machine Specifications 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 Install machine in an access restricted location Electrical Cabinet 50 Wall CK GQ GG G hh G for Maintenance Keep Workpiece _ Loading Area Unobstructed Drawing Not To Scale 84 581059 74 SB1052
148. vent 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 50 shows an example photo of a dead center installed in the spindle using a lathe dog and faceplate for turning between centers Figure 50 Example photo of using a dead center with a faceplate and lathe dog 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 gloved 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 51 shows an example photo of a dead center mounted in a tailstock Carbide Tipped Dead Center Figure 51 Example photo of using a carbide tipped dead center installed in the tailstock To mount a center in the tailst
149. vot arm hex nut Note Make sure to keep approximately 0 002 play between the gears 9 Replace and secure the end gear cover before connecting the lathe to power South Bend Lathe Co 55 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 Threading The following subsections will describe how to use the threading controls and charts to set up the lathe for a threading operation If you are unfamiliar with the process of cutting threads on a lathe we strongly recommend that you read books review industry trade magazines or get formal training before attempting any threading projects Headstock Threading Controls The threading charts on the headstock face display the settings for metric inch modular and diametral threading Using the controls on the lathe follow along with the example below to better understand how to set up the lathe for the desired threading operation Setting Metric Thread Pitch of 1 75 1 Make sure the end gears are in the standard configuration which is used for all metric threading refer to End Gears on Page 54 for detailed instructions 2 Locate the line in the metric thread chart that lists the setting for 1 75 threads per millimeter as illustrated in Figure 77 Figure 77 Metric thread chart with 1 75 TPmm highlighted 3 The configuration string of characters to the right of the selected thread pitch LS8Y displays the pos
150. y Slot Figure 42 Drift key slot the side of the quill 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 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 Tools Needed Qty Hex Wrench 6mm eene 1 Wrench DII ueteri ep 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 43 Adjustment Set Screw 1 of 2 4 Indicator Figure 43 Tailstock offset controls 2 Rotate the adjustment set screws in opposite directions for the desired offset see the illustration in Figure 44 Figure 44 Set screw adjustment in relation to tailstock movement 3 Retighten the clamping hex bolts underneath the tailstock to secure the offset South Bend Lathe Co 39 14 TURN X Toolroom Lathe OPERATION For Machines Mfg Since 5 11 Aligning Tailstock to Spindle Centerline This is an essential adjustment that shoul
151. y clamped around the brake hub 8 the pedal stop into position so there is approximately a 25mm gap between the pedal lever and the stop see Figure 127 then firmly tighten the pedal stop cap screw Figure 127 Brake pedal travel adjustment 9 Locate the brake switch shown in Figure 128 Figure 128 Brake switch and pedal cam 10 Push the pedal lever down to verify that the cam lobe pushes the brake switch 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 and move the switch closer to the lobe until it clicks Secure the switch in place at this location Note In the released position 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 you are not satisfied with the brake performance repeat this procedure until you are South Bend Lathe Co 79 14 TURN X Toolroom Lathe S 3 VI For Machines Mfg Since 5 11 Leadscrew Shear Pin To replace the shear pin 1 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 DISCONNECT LATHE FROM POWER Rotate the shroud washer on the leadscrew shown in Figure 130 so that the cutout
152. zle into the chip pan STOP Button Figure 24 Control panel To disengage the quick change gearbox from the drive train move the feed range lever to the neutral middle position see Figure 25 Low Range Lever Neutral High Figure 25 Feed range lever Note In the next step use the chuck key to rock the chuck back and forth so that the gears will mesh as you make the adjustments Be sure to remove the chuck key before continuing Set the spindle speed to 50 RPM as follows a Move the spindle range lever so that the arrow on top of its hub is pointing toward the right hand spindle speed chart see Figure 26 Spindle Speed 7 Lever Set A RFM Spindle Range Lever Fointing To The Right Hand Speed Chart Figure 26 Spindle speed set to 50 RPM b Move the spindle speed lever so that the A on its hub is directly under the arrow on the headstock This corresponds to the A in the right hand spindle speed chart c Turn the two speed motor switch to the LOW position This enables all the low speeds in the green columns of the spindle speed charts South Bend Lathe Co 27 14 TURN X Toolroom Lathe PREPARATION For Machines Mfg Since 5 11 8 Turn the master power switch on the electrical cabinet to the ON position 9 Reset the STOP button by twisting it clockwise until it pops out The power lamp on the c

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