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Southbend SB1001 User's Manual

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1. 82 dB Features Hardened and Ground Signature South Bend 3 V Way Bed Electronic Variable Speed Controls 4 Way Tool Post Threading Dial Indicator Emergency Stop Button Inch and Metric Graduations on Tailstock Barrel 8 South Bend Lathe Co For Machines Mfg Since 8 11 SAFE TY Model SB1001 8K Lathe Understanding Risks of Machinery Operating all machinery and machining equipment can be dangerous or relatively safe depending on how it is installed and maintained and the operator s experience common sense risk awareness working conditions and use of personal protective equipment safety glasses respirators etc The owner of this machinery or equipment is ultimately responsible for its safe use This responsibility includes proper installation in a safe environment personnel training and usage authorization regular inspection and maintenance manual availability and comprehension application of safety devices integrity of cutting tools or accessories and the usage of approved personal protective equipment by all operators and bystanders The manufacturer of this machinery or equipment will not be held liable for injury or property damage from negligence improper training machine modifications or misuse Failure to read understand and follow the manual and safety labels may result in serious personal injury including amputation broken bones electrocution or
2. 1 Tailstock 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 illustrated in Figure 44 Tailetock Tailetock Center lt a Side View Figure 44 Cutting tool tip aligned with tailstock center 37 Model 81001 8K Lathe Manual Feed The handwheel and ball handles shown in Figure 45 allow the operator to manually move the cutting tool Compound Rest Ball Handle gt Cross Slide gt m 3 M Ball Handle lt Carriage ee Handwheel Figure 45 Carriage component manual feed controls Carriage Handwheel Graduated Dial Incremoents eter Ee 0 02 One Full Revolution eee 0 10 Use the carriage handwheel to move the carriage left or right along the bedway Cross Slide Ball Handle Graduated Dial 0 001 One Full Revolution eee 0 050 Use the cross slide ball handle to move the tool toward and away from the work
3. 51 52 55 55 56 59 60 61 62 65 RETAINING RING 32MM BALL BEARING 600222 LLEY SHAFT 5 100157 DLER PULLEY South Bend Lathe Co 63 Model SB1001 8K Lathe For Machines Mfg Since 8 11 Saddle amp Cross Slide REF PART DESCRIPTION REF PART DESCRIPTION 20 __ 581001201___ 55 SLIDE 217 2581001217 PLUNGER 218 218 BALL HANDLE ASSEMBLY 219 219 HANDLE HUB 220 ROLL PIN 3X16 221 221 ESSION SPRING O5 X 4X7 222 BALL 225 1001225 ATED DIAL 224 SCREW M6 225 BALL BEARING 680022 227 _ PSBI001227 229 220 23 resz w sersceew ve e x 252 64 South Bend Lathe Co T SCREW 5 5 X 12 226 For Machines Mfg Since 8 11 87 5 _ Model 581001 8K Lathe Compound Rest amp Tool Post 514 516 517 a Og 522 525 525 521 REF PART DESCRIPTION REF PART DESCRIPTION 501 PSB1001301 TOOL POST NUT 519 6 001219 GRADUATED DIAL 0018 520 29 0015 521 a 0015 522 2 ROLL PIN 3 X 525 001807 PLUNGER 5 10015 524 SET SCREW M5 8 X 6 001307 __ 525 SPRING 5 4 7 521001506 _ cOMPRESSIONPRNG 526 _ STEEL BALL _ eer _ pesioors27 courouno 266574 326 329 SCREW 5 5 X16 EP 2
4. 10 IM 3600 RPM Power 5 ER B atings Shielded and Permanently Sealed Main Specifications Operation Info Swing OVER Bed cr cr RH ER ERE SEHE 8 in Distance Between Centers ccccccssccssssccssseessseceesceceseeeseseecsseeceeseecsnecesaeeseaeeceeaeessaeeeseaeeseaeeeseneeseeeeseaees 18 in Swing Over POP Maximum Tool Bit Size 1 2 in Compound Travel 2 5 8 1 Carriage Travels een Descendit 17 5 8 Cross Slide Travel uei 3 1 4 South Bend Lathe Co 77 Model 81001 8K Lathe INTRODUCTION For Machines Mfg Since 8 11 Headstock Info Spindle 1 1 8 in 3 5 8 Spindle Taper e MT 3 Number of Spindle Speeds ee ca sees ones Variable Spindle 50 2300 TVPG NI UR 11 3 Nemini rar Tapered Roller Bearing 32009 P5 Tailstock Info Tailstock Quill hodira 1 3 4 in MT 2 Tailstock Barrel 1 3 16 in
5. tases 70 Gib Adjustment 94 WARRANTY 73 Saddle 54 Cross Slide amp Compound Rest Gibs 55 Adjusting Drive Belts 55 TROUBLESHOOTING nere 57 For Machines Mfg Since 8 11 About This Machine Foreword The screw cutting engine lathe is the oldest and most important of machine tools and from it all other machine tools have been developed It was the lathe that made possible the building of the steamboat the locomotive the electric motor the automobile and all kinds of machinery used in industry Without the lathe our great industrial progress of the last century would have been impossible How To Run a Lathe 15th Edition South Bend Lathe The lathe represented in this manual is a modern day version of the screw cutting lathes that trace their roots back to the 1700 s which were themselves technological improvements of the bow lathe that can be traced back thousands of years to the ancient Egyptians Now almost 300 years later these modern lathes are a refined culmination of human ingenuity and knowledge embodied into the design and synergy of many different interworking parts some of which represent the life s work and dreams of many inventors mechanical engineers and world class machinists including the likes of Leonardo da Vinci Henry Maudsley and the founders of South Bend Lathe John and Miles O Brien And now the torch
6. Figure 9 Example of a precision level South Bend Lathe Co PREPARATION Model SB1001 8K Lathe Mounting The base of this lathe has mounting four holes that allow it to be secured to a workbench or stand to prevent it from moving during operation The mounting holes are 5 x 29 apart center to center and accept fasteners To help dampen vibration place the rubber mounting gasket between the workbench and the lathe before installing the fasteners The strongest mounting option is a Through Mount see example in Figure 10 where holes are drilled all the way through the workbench and hex bolts washers and hex nuts are used to secure the machine in place Lag Screw Flat Washer Figure 10 Example of a Through Mount setup Another option is a Direct Mount see example in Figure 11 where the machine is secured directly to the workbench with lag screws and washers Bolt Flat Washer Machine Base I Workbench m on c Flat Washer Lock Washer Hex Nut Figure 11 Example of a Direct Mount setup 19 81001 8K Lathe PREPARATION For Machines Mfg Since 8 11 Lubricating Lathe THE LATHE MUST BE LUBRICATED BEFORE CONTINUING STOP Refer to the Lubrication Section in this Manual for Recommended Lubrication The lathe must be properly lubricated before it can be operated
7. Safer Outside Unsafe Inside Jaw Use Jaw Use Shallow Bar Stock Unsafe Jaw Fosition and 7 Foor Scroll Gear Engagement Safer Inside Unsafe Jaw Fosition Jaw Use Cylinder Foor Scroll Gear Engagement D Figure 22 Jaw selection and workpiece holding 97 Model 81001 8K Lathe OPERATION 4 Jaw Chuck 5 Refer to the Chuck Installation see Page 25 and Chuck Removal see Page 27 instructions to install or remove a 4 jaw chuck For Machines Mfg Since 8 11 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 23 The optional Model SB1468 4 jaw chuck features independently adjustable 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 serious personal injury Mounting Workpiece 1 DISCONNECT LATHE FROM POWER 2 Place a sturdy piece of plywood under the spindle to protect the bed ways during the installation process 3 Use the chuck key to open each jaw so the workpiece will lay flat agai
8. Bedways amp Slides Oil Type Mobil Vactra 2 or ISO 68 Equivalent CH AGWODD 2 icio cdd trn oxi tibus As Needed Lubrication Frequency 2 2 Daily Move the carriage cross slide and compound rest see Figure 87 to reach all surfaces and pay special attention to the dovetail ways of the slides Apply a thin coat of oil to them with a lightly oiled shop rag to prevent rust and corrosion and to ensure smooth operation Figure 87 Bedway and slides South Bend Lathe Co For Machines Mfg Since 8 11 SERVICE Model 581001 8K Lathe Machine Storage The lathe must be properly prepared if it will be stored for any period of time Doing this will help prevent the development of rust and corrosion and ensure the lathe remains in good condition for later use To prepare the lathe for storage 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean all surfaces then apply a heavy coat of way oil to unpainted and bare metal surfaces 3 Lubricate the machine as outlined in Lubrication beginning on Page 51 then move rotate the components through the full range of motion several times to distribute the lubricant 4 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 that could damage the surfaces of the lathe 5 Once or twice a month move the carriage tailstock and other component
9. Figure 29 Set screw adjustment in relation to tailstock movement for desired taper 3 Make sure both offset set screws are snug then re tighten the tailstock lock nut to secure the offset Aligning Tailstock to Spindle Centerline This is an essential adjustment that should be verified or performed each time the tailstock is used to turn concentric workpieces between centers 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 1 Wrench 13 1 Round Stock 2 x 622 22 222 2 Dial Indicator w Magnetic 1 Precision 00 1 Precision 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 19 for additional information 31 Model 81001 8K Lathe OPERATION For Machines Mfg Since 8 11 2 Center drill both ends of one piece of round 6 Turn 0 010 off the stock diameter stock then set it aside for use in Step 5 7 Mount a dial indicator so that the plunger is 3 Use the other piece of round stock to make on the tailstock quill a dead center and
10. m lt gt REF 25 26 27 28 29 30 51 52 55 54 56 57 58 59 40 41 42 45 44 45 46 47 48 49 52 P518M PSB1001037 581001058 PCAP26M 5 1001059 5 1001040 PSB1001041 PSB1001042 PZERKOOG PNOGM PSB O46 PSB 04 777 7 P5B1001049 DESCRIPTION CAP SCREW M8 1 25 X 10 AP SCREW MG 1 X 12 LAT WASHER 6MM PHLP HD SCR 1 X10 BRASS DIRECTION PIVOT BRACKET VOT BRACKET BOLT 5 E CK South Bend Lathe Co 61 Model SB1001 8K Lathe 87 5 For Machines Mfg Since 8 11 Bed amp Timing Belt Pulleys 62 South Bend Lathe Co For Machines Mfg Since 8 11 RTS Model SB1001 8K Lathe Bed amp Timing Belt Pulleys Parts List REF PART DESCRIPTION REF PART DESCRIPTION PZERKOOG 044 05 04 05 06 GREAGE FITTING 5 5 X 5 5 STRT BRASS TIMING BELT 120XL LAT WASHER MM ON ADJUSTMENT SCREW EY FLANGE PB26M BOLT M amp 1 25 X 30 AIT BBED V BELT amp PJ406 AP SCREW MG 1 X 10 VOT BRACKET PIVOT BRACKET WEL FIN 4 X 20 RIGHT LEADSCREW BRACKET DO DRILLED BUSHING BE POO 0 0 10 00 1 00 00 00 00 00 2 00149
11. Any Numbered Position Figure 66 Any numbered position on the dial for threading 12 20 or 28 TPI 10 14 or 18 For each of these thread pitches use only the 2 positions or only the 4 positions see Figure 67 TPI 2 Only Figure 67 Only the 2 positions only the 4 positions on the dial for threading 10 14 or 18 TPI 11 13 or 19 TPI For each of these thread pitches use only the 4 positions on the thread dial see Figure 68 11 13 19 4 Figure 68 Only the 4 positions on the dial for threading 11 13 or 19 TPI South Bend Lathe Co For Machines Mfg Since 8 11 Changing Feed Direction The position of the feed direction gears controls the rotation of the longitudinal leadscrew as follows e Standard Leadscrew rotates in the same direction as the spindle e Reverse Leadscrew rotates in the opposite direction as the spindle e Neutral Leadscrew and end pulleys are disengaged from the drive train This configuration can be used to save wear on the end pulleys and timing belts when tool position is manually controlled Tool Needed Wrench 1 eet etetee eerte 1 To change the position of the feed direction gears 1 DISCONNECT LATHE FROM POWER 2 Open the end cover and loosen the pivot lock bolt Spindle Shaft Gear 1 Feed rection Gears in Normal Position F
12. 28 Control Panel 5 Mounting derer eds 28 Carriage essere L4 0 29 adios aia b 30 Froquet SPCC CAMONG 7 Positioning 30 BAPETYL n en c ELSE EAE 9 Using 30 Understanding Risks of 9 Installing 30 Basic Machine Safety 9 Offsetting 31 Additional Metal Lathe Safety 11 Aligning Tailstock to Spindle Centerline 91 Additional Chuck Safety E o EE 33 Dead Centers Et 33 PREPARATION casts certs cnius gt 13 33 Preparation OVePVIGW in cedi ves 13 Mounting Center in 8 24 Required Tor 13 Removing Center from 24 Power Supply 14 Mounting Center in Tailstock 34 Availability 14 Mounting Workpiece Between Centers 35 Full Load Current Rating eene 14 Carriage amp Slide 35 Circuit Requirements 14 Compound 36 Grounding 4
13. 505 _ 581001505 LOwER LOCK SLEEVE 519 1 01519 BALL HANDLE 504 F5B1001504 520 P5B1001520 PLUNGER 505 PSB1001505 LOCK LEVER FLAT WASHER 521 PSS26M 506 _ PSBi001606 522 507 _ 221007507 525 508 PSBI00I508 CASTING 524 PSBI00I524 OFFSET INDICATOR 509 PSBI00I509 __ SCREW 6 1 X 10 PILOT 525 2 HEX BOLT 8 1 25 X 80 510 PSB1001016 TAP IN GREASE FITTING 6MM STRT BRASS 526 PSBI001611 LEADSCREW 527 512 PSB1001512 BEARING HOUSING 526 2 529 FLAT WASHER BMM 514 1001514 530 HEX NUT M8 1 25 55 rerom HANDLE HUB 55 56 _ PSBIOOTEIG 552 South Bend Lathe Co 67 Model 81001 8K Lathe For Machines Mfg Since 8 11 Electrical amp End Cover REF PART 601 PSB1001601 602 605 605 606 CAP33M 607 608 SB 610 en 612 PSB 615 PSB 614 615 616 00 00 5 10016 PSBIOO16 5 10016 6 6 6 2 5 4 5 6 DESCRIPTION KNOB 16 2 HEX NUT M16 2 THIN 5 1001605 SLEEVE 5 1001605 END COVER P CAP SCREW M5 6 X 12 5 1001607 HINGE PSBIOO1G0 amp EMERGENCY STOP BUTTON ASSY p 016 ELECTRICAL CABINET REF 617 619 621 622 625 624 625 626 627 628 629 650 651 PSB1001617 001619 001621 612 DESCRIPTION TACHOMETER DIGITAL DIS
14. 7 1 A QO Frequency Drive Ancer BLDC 750M Fan amp Heat Sink Ancer Model 750 115VAC Circuit Board Motor Huatian YK 92 BL 001 1100W 14A 60 South Bend Lathe For Machines Mfg Since 8 11 Model SB1001 8K Lathe Headstock REF PART 4 1 2 3 4 5 6 7 8 9 1 2 5 4 5 6 7 e 9 20 21 22 25 24 PSB 5 5502 5 1001004 5 1 PSB 5 PSB PFH73M 25 5526 Q 001 00 y ivy o o N o o S19 oO ol 9 ivy o o o m mjm 005 o o D y e Q B 9 D Oo o x 2 e U o o o o gt Q Q 2 gt I o o o P5B1001018 PSB1001021 PCAP26M PSB10010235 521001024 DESCRIPTION SPINDLE LOCK COLLAR PLUNGER SET SCREW M6 1X 6 SPINDLE PULLEY SPACER GEAR 39T D SENSOR RING D SENSOR MAGNET FLAT HD CAP SCR 6 1 X 16 CAP SCREW 4 7 X12 SET SCREW M5 6 X 6 D SENSOR BRACKET SPEED SENSOR OUTBOARD SPINDLE BEARING FLANGE TAPERED ROLLER BEARING 32009 TAP IN GREASE FITTING GMM STRT BRASS STER POWER SWITCH ASSEMBLY SWITCH PLATE CAP SCREW M4 7 X10 BEARING GASKET INBOARD SPINDLE BEARING FLANGE CAP SCREW MO 1 X 12 KEY 6X 5X 56 SPINDLE D1 3
15. 83 1 U Dead Center osito cte tiber eet 1 V Dead Center 1 W Grease tuto CER aa 1 X Rubber Mounting 1 Y Timing Belt 1 Z Timing Belt 1 AA Fuses Time Delay15A T15L250V 5 Installed amp Not Shown Qty e 3 Jaw Chuck Assembly 4 1 16 South Bend Lathe Co For Machines Mfg Since 8 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 following e Disposable rags e Cleaner degreaser certain citrus based degreasers work extremely well and they have non toxic fumes e Safety glasses amp disposable gloves Note Automotive degreasers mineral spirits or WDe40 can be used to remove rust preventative Before using these products t
16. Lathe PREPARATION For Machines Mfg Since 8 11 Unpacking This item was carefully packaged to prevent damage during transport If you discover any damage please immediately call Customer Service at 360 734 1540 for advice You may need to file a freight claim so save the containers and all packing materials for possible inspection by the carrier or its agent Inventory Tool Box Inventory Figures 6 7 Qty B 1 Timing Belt Pulley 28T 1 C Tiuung Belt Pulley 27 1 D Timing Belt Pulley 26T 1 E Timing Belt Pulley 24 5555 1 E Timing Belt Pulley 22T ron 1 G Timing Belt Pulley 17 2 eet 1 H Timing Belt Pulley 207 222 1 L Timing Belt Pulley 19T 1 J Timing Belt Pulley 18T 1 Timing Belt Pulley 16 1 L 48 25 1 Timing Belt Pulley 32T 1 Power Cord 166 72 M F 5 15 1 Figure 7 Additional small items 3 Jaw Chuck External Jaw Set 1 P Chuck Key 1 Qu Wrench antt 1 Combo Wrench 14 x 17 1 5 Hex Wrench Set 2 3 4 5 6 8mm 1 T Tapered Spindle Sleeve 4 5
17. 0 4 4 4 4 1 15 Four Way Tool Post asses stones to 36 Extension Cords 44 044 04 44 15 36 Unpacking 16 Aligning Cutting Tool with Spindle Centerline 37 E l Feed 38 Cleaning amp Protecting eee 17 Carriage 38 DEN 18 Cross Slide Ball 4 38 Physical Environment eee 18 Compound Rest Ball Handle e 38 Electrical Installation eene 18 Spindle Speed 38 Lighting 18 Determining Spindle Speed 38 Weight 18 Selecting Spindle Speed Range PPP 39 Space Allocation 18 Selecting Spindle 8 40 Leveling amp Mounting sii 6s 0 chctsassseetiacsiansstaeicuss 19 Power Feed amp Threading 40 Leveling 19 Timing Belts amp Pulleys 40 19 Setting Power Feed 41 L bricating 20 Setting Threading 42 Power Connection 20 Thread IO iad CE 43 Connecting 20 Dial Cli
18. Threading Info Number of Longitudinal Feeds esses rennen eene senten einen et tenete nennen nnns 9 Range of Longitudinal 0 0030 0 0051 in rev Number of Inch gt 12 Range of Inch Threads 10 32 TPI Number of Metric 4 12 Range of Metric 0 4 3 0 mm Dimensions BGO Width PAE AEE 6 in L adscrew Diameters 5 8 in Le adserew 8 Leadserew 38 3 4 in Floor to Genter 12 in Construction Cast Iron FC AGS EOC er EE Cast Iron Headstock Geafs o deo ates ue o iod rts coun ERR E ER EH Steel LI Cast Iron E HO Cast Iron Other Country P u x China dose pe ERE Rosie ne RE evades e theses 1 Year Assembly MIME e M 1 Hour Sound
19. see Page 55 re position timing belt pulleys so that the timing belts have only slight deflection between pulleys Re tighten pulleys and pulley shafts check replace missing shaft keys 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 Re install workpiece centered with the spindle bore Stop lathe immediately and correct interference problem Re tension replace the drive belt s as necessary see Page 55 Align the drive belt pulleys Re balance chuck or faceplate contact a local machine shop for help Replace worn spindle bearings Adjust for appropriate spindle speed and feed rate Sharpen or replace the cutting tool use correct tool for operation Adjust tool height to centerline see Page 37 Tighten gibs see Page 54 South Bend Lathe Co 57 Model 81001 8K Lathe Symptom Tapered tool difficult to remove from tailstock quill Cross slide compound or carriage feed has sloppy operation Cross slide or compound rest ball handle is hard to move Carriage will not feed or is hard to move Cutting tool or machine components vibrate excessively during cutting Workpiece is tapered Chuck jaws will not move or do not move easily Gearbox change levers will not shift into position Possible Cause Quill is not retracte
20. your risk change coolant regularly and position the nozzle where it will not splash or end up on the floor South Bend Lathe Co 11 Model SB1001 8K Lathe SAFE Y For Machines Mfg Since 8 11 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 have enough experience to know when to use a different machine or find a safer way Trained Operators Only Using a chuck 12 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
21. 1 DISCONNECT LATHE FROM POWER 2 Ifmounted remove the chuck then mount the optional SB1469 faceplate onto the spindle 2 Thoroughly clean and dry the tapered mating surfaces of the spindle bore tapered spindle sleeve and the MT 8 center making sure that no lint or oil remains on the tapers Insert the MT 8 dead center into the tapered spindle sleeve then insert the sleeve into the spindle bore through the faceplate Figure 36 shows an example photo of a dead center installed in the spindle using a lathe dog and faceplate for turning between centers Dead Center wax Faceplate Figure 36 Example photo of using 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 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 3A OPERATION For Machines Mfg Since 8 11 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 37 shows an example photo of a dead center mounted in the t
22. 32 South Bend Lathe For Machines Mfg Since 8 11 Centers Figure 34 shows the MT 3 and MT 2 dead centers included with the lathe In addition an 3 2 tapered spindle sleeve is included for mounting the MT 3 center in the spindle Adapter Sleeve Center Figure 34 Tapered spindle 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 When the dead center is used in the tailstock the workpiece pivots on the tip of the center The tip 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 OPERATION Model SB1001 8K Lathe Live Centers A live center see Figure 35 for an example has bearings that allow the center tip and the workpiece to rotate together it can be installed in 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 Figure 35 Example of a live center SB1241 MT 2 Live Center shown 484 Model 81001 8K Lathe Mounting Center in Spindle
23. Adjust the position of the graduated dial by holding the handwheel with one hand and turning the dial with the other Compound Rest Ball Handle Graduated Dial nem DE 0 001 One Full Revolution eee 0 050 Use the compound rest ball handle to move the cutting tool linearly along the set angle of the compound rest compound rest angle is set by hand rotating it and securing it in place with two hex nuts 88 OPERATION For Machines Mfg Since 8 11 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 cut as noted in the formula shown in Figure 46 Recommended Cutting Speed FPM x 12 SpindleSpeed RPM Dia of Cut in inches x 3 14 Double if using carbide cutting tool Figure 46 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 recommend
24. During operation small metal chips may become airborne leading to serious eye injury Wear safety glasses to reduce this risk OPERATION For Machines Mfg Since 8 11 To complete a typical operation the operator does the following 1 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 mounts the workpiece in the chuck and removes the chuck key from the machine Mounts the tooling aligns it with the workpiece then backs it away to establish a safe startup clearance Removes all setup tools from the lathe Checks for safe clearances by rotating the workpiece by hand at least one full revolution Uses the master power switch to enable power to the motor then rotates the spindle switch to the forward left position to start spindle rotation Rotates the spindle speed dial to select the correct spindle speed for the operation Uses the handwheel ball handles or power feed options to move the tooling into the workpiece When finished cutting moves the spindle switch to the OFF middle position waits until the spindle is completely stopped then removes the workpiece 24 South Bend Lathe Co 8 11 Chuck amp Faceplate Mounting This lathe is equipped with a D1 type spindle nose This type of sp
25. death The signals used in this manual to identify hazard levels are as follows harm WILL occur AWARNING harm COULD occur Death or catastrophic Death or catastrophic Moderate injury or fire MAY occur CAUTIO NOTICE Machine or property damage may occur Basic Machine Safety Owner s Manual All machinery and machining equipment presents serious injury hazards to untrained users To reduce the risk of injury anyone who uses THIS item MUST read and understand this entire manual before starting Personal Protective Equipment Operating or servicing this item may expose the user to flying debris dust smoke dangerous chemicals or loud noises These hazards can result in eye injury blindness long term respiratory damage poisoning cancer reproductive harm or hearing loss Reduce your risks from these hazards by wearing approved eye protection respirator gloves or hearing protection Trained Supervised Operators Only Untrained users can seriously injure themselves or bystanders Only allow trained and properly supervised personnel to operate this item Make sure safe operation instructions are clearly understood If electrically powered use padlocks and master switches and remove start switch keys to prevent unauthorized use or accidental starting Guards Covers Accidental contact with moving parts during operation may cause severe entanglement impact cutting or cru
26. into moving surfaces and could cause sharp chips to fly into your face or hands In addition to 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 especially any parts exposed to water soluble cutting fluid Typically a thin film of good quality way oil is all that is necessary for protection Refer to Accessories on Page 46 for an option from South Bend NOTICE The timing belts and pulleys should remain free from grease and grime Clean the pulleys with mineral spirits when changing configurations then allow them to dry Wipe the timing belts with a clean dry shop rag at the same time South Bend Lathe Co For Machines Mfg Since 8 11 11 h i 3 N 4 3 Model 581001 8K Lathe Lubrication The lathe has numerous metal to metal sliding surfaces that require regular lubrication to maintain smooth movement and ensure long lasting operation Other than the lubrication points covered in this section all other bearings are internally lubricated and sealed at the factory Simply leave them alone unless they need to be replaced Before performing any lubrication task DISCONNECT LATHE FROM POWER Important Before adding lubricant clean away any debris or grime from the entry points with mineral spirits to prevent contamination of the new lubricant Oil Gun Proper lubri
27. is passed to you to carry on the tradition As the operator of a South Bend Lathe you join the ranks of some very famous and important customers such as Henry Ford who used his South Bend lathe to help him change the world Thank you for being a part of the new South Bend Lathe Co We appreciate your business and hope this machine serves you well for a lifetime 8 South Bend Precision Bench Lathe Circa 1932 South Bend Lathe Co 3 INTRODUCTION Model SB1001 8K Lathe 8K Lathe Dating back to 1931 the first South Bend 8 Bench Lathe made it much easier for machinists around the world to own a professional duty lathe of exacting precision that was built to provide a lifetime of dependable service In this same tradition we are proud to offer the SB1001 8K Variable Speed Bench Lathe This lathe is especially designed for discriminating machinists making small parts to extremely precise tolerances jewelers RC enthusiasts watchmakers model makers optical engineers gunsmiths etc Its compact size with heavy duty construction and traditional South Bend big lathe features also make this lathe equally valuable for close in precision toolroom or manufacturing operations The bed is constructed of hardened and ground castings in the traditional three V way prismatic design long used on South Bend Lathes for accuracy durability and rigidity Its length allows for 18 between centers
28. it in place Figure 63 Thread dial gear engaged with leadscrew 43 Model 81001 8K Lathe 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 64 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 body EM 16 24 32 Any Position Any Numbered Position 12 20 28 2 Only 10 14 18 4 11 13 19 4 Only Figure 64 Thread dial chart Note The thread dial is not used for metric threads you must leave the half nut engaged from the beginning of the cut until the threads are complete for metric threading The following examples explain how to use the thread dial chart for inch threads 16 24 or 32 TPI For each of these thread pitches use any line on the thread dial see Figure 65 TPI Figure 65 Any line on the dial for threading 16 24 or 32 TPI NOTICE When threading we recommend using the slowest speed possible and avoiding deep cuts so you can more easily disengage the half nut to prevent an apron crash 44 OPERATION For Machines Mfg Since 8 11 12 20 or 28 TPI For each of these thread pitches use any numbered position 2 or 4 on the thread dial see Figure 66
29. s slightly see Page 54 Replace gears Check for debris clean and retighten Re install cutting tool so no more than of the total length is sticking out of tool holder Adjust gib screws at affected component see Page 54 Replace or resharpen cutting tool Use the recommended spindle speed Realign the tailstock to the headstock spindle bore centerline see Page 31 Remove jaws then clean and lubricate all surfaces Remove jaws clean and lubricate scroll plate then replace jaws Rotate spindle by hand with light pressure on the lever until gear falls into place 58 South Bend Lathe Co For Machines Mfg Since 8 11 E i R Model SB1001 8K 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 including but not limited to severe burns electrocution or death For your own safety disconnect machine from the power source before s
30. 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 southbendlathe com Printed In China TS14279
31. 001 8K Lathe OPERATION For Machines Mfg Since 8 11 b Install 48T pulleys on the upper right B Setting Threading Controls pulley shaft and the lower right pulley shaft c Install the 15T pulley on the B pulley shaft upper right d Install the 20T pulley on the C pulley shaft then place the 120XL timing belt between this pulley and the 48T pulley on the lower right e Place the 140XL timing belt on the upper left 16T and 48T pulley on the B pulley shaft f Install the 48T pulley on the C pulley shaft then place the 120XL timing belt between this pulley and the 15T on the B pulley shaft 7 Apply upward and forward pressure to the upper right and middle right pulleys see Figure 58 as you re tighten the shaft hex nuts you loosened in Step 3 Figure 58 Locations to apply pressure on pulleys 8 Continue to apply pressure on the pulleys as you re tighten the thumb screw to tension the timing belts Important Leave a slight amount of slack in the timing belts when securing the pulleys Adjusting the tension too tightly will cause excessive wear and stretching Adjusting the tension too loosely could cause the belt to slip during operation 9 Close the end cover before re connecting the lathe to power 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 setup Tools Needed Qty Wrench
32. 50 BASE 55 OWELFIN 9508 552 552 PSB1001315 COMPOUND REST LEADSCREW 555 555 680072 554 LAT WASHER 5MM _ BEARINGHOUSNG 555 DOWEL PINS XT2 556 SCREW MS 8 XTZ South Bend Lathe Co 65 Model SB1001 8K Lathe RU 5 For Machines Mfg Since 8 11 Apron 422 440 459 438 401 425 426 427 REF PART DESCRIPTION REF PART DESCRIPTION 401 PSB1IO01401 HANDWHEEL ASSEMBLY 422 29 SCREW MG 1 X 40 PSBI001423 DIAL BODY 403 PSBIOO1425 READ DIAL GEAR WOM FLAT WASHER BMM 405 GRADUATED DIAL PLWO4M LOCK WASHER 8MM NON SHAFT END CAP BRASS EAR SHAFT BRACKET FRON ON SHAFT BUSHING BRASS AR SHAFT BUSHING BRASS AFT IGT IONS 56 CAP SCREW 5 5 10 4 STEEL BALL 5MM 66 South Bend Lathe For Machines Mfg Since 8 11 Model SB1001 8K Lathe Tailstock 501 997 510 2 52 515 514 20 515 29 516 f amp 17 a 2 R 518 BM 519 REF DESCRIPTION REF PART DESCRIPTION 501 PSB1I001501 QUILL 517 PSB1001221 COMPRESSION SFRING 05 X 4 7 502 00 THRUST BEARING 51100 516 _ 4
33. 8K 8 X 18 VARIABLE SPEED LATHE MODEL 581001 OWNER S MANUAL South Bend Lathe Co Hundreds of Thousands of Lathes Sold With a Tradition of Quality Since 1906 Copyright December 2011 For Machines Mfg Since 8 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 clarification We highly value customer feedback on our manuals If you have a moment please share your
34. PLAY 68 South Bend Lathe Co For Machines Mfg Since 8 11 Model SB1001 8K Lathe Accessories 701 712 w m gt 75 75 716 REF DESCRIPTION REF PART DESCRIPTION 716 PAWOSM HEX WRENCH 3MM 79 5 1001719 CHUCK KEY 720 6 1001720 TIMING BELT 16OXL 721 15 CH 13MM 722 FSP100 NTING GASKET RUBBER 725 561001725 3 JAW CHUCK EXTERNAL JAW SET 724 PSB1001724 DEAD CENTER MT 3 725 DEAD CENTER MT 2 726 TAPERED SPINDLE SLEEVE MT 4 5 MT 3 727 POWER CORD 16A ZW 72 L 5 15 M F MING BELT PULLEY XL 327 730 75 752 755 FUSE TIME DELAY 15 T25L250V 5PK South Bend Lathe Co 69 Model SB1001 8K Lathe For Machines Mfg Since 8 11 Labels 601 215 814 5 2 48 5 m 815 216 PART DESCRIPTION REF PART DESCRIPTION 801 PSB1001801 MACHINE ID LABEL 810 PSBLABELISVS CLOSED LABEL 802 Bos 51001808 2 804 Bs LOS 205 Bu _ PSBLABELORVS 506 Bs 207 Bio 205 PSBPAINT O1 SB GRAY TOUCH UP PAINT 217 1 7 120V ELECTRICITY LABEL 809 PSBLABELO2VS DISCONNECT POWER LABEL 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
35. Push the emergency STOP button The spindle should come to a slow stop 15 With the emergency STOP button pushed in attempt to re start spindle rotation the spindle should not start If the spindle does not start the emergency STOP button is working properly Proceed to Step 16 If the spindle does start the emergency STOP button is not working properly This safety feature must operate properly before continuing Turn the master power switch OFF disconnect the lathe from power then call Tech Support for help 16 Move the spindle switch to the OFF position and turn the spindle speed dial all the way counterclockwise for a minimum spindle rotation on the next start up Congratulations The test run is complete Perform the following Spindle Break In procedure South Bend Lathe Co 8 11 Spindle Break In Before subjecting the lathe to full loads you must break it in so that bearings will fully seat gear teeth will find their normal wear pattern and lubricant will be worked into the required areas Otherwise the moving components of the lathe may suffer from excessive wear 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 NOTICE Do not leave the lathe unattended during the Spindle Break In procedure If your at
36. Quill 0 194 in Increments Metric 0 45mm 1mm Increments Tool Needed Oty Wrench 13mm 1 Positioning Tailstock 1 Loosen the tailstock lock nut 2 Slide the tailstock by hand to the desired position 3 Re tighten the tailstock lock nut Using Ouill 1 Rotate the quill lock counterclockwise to allow for quill adjustment 2 Turn the quill ball handle clockwise to move the quill toward the workpiece or counterclockwise to move the it away from the workpiece 3 Re tighten the quill lock to secure the quill 30 OPERATION For Machines Mfg Since 8 11 Installing Tooling This tailstock quill accepts tooling arbors and drill bits with an MT 2 taper see Figures 27 for examples Solid End Open End 4 Figure 27 Types of tapered arbors and tooling If the arbor has an open hole in the end a screw can be threaded into the end of it to provide a solid surface for the quill pin to push against when the quill is retracted for tool removal To install tooling in the tailstock 1 With the tailstock locked in place unlock the quill then use the quill ball handle to extend the quill approximately 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 This helps ensure that the tool seats properly and has minimal runout 3 With a firm and quick motion inse
37. Since 8 11 Feed Direction Gears Grease NLGI 2 Lubricating Device Included Grease Gun 1 2 Pumps Daily The grease fittings for the feed direction gears are located behind the spindle pulley You will need to re position these gears to access the fittings Tool Needed Wrench 13 1 lubricate the feed direction gears 1 DISCONNECT LATHE FROM POWER 2 Back out the tensioning thumb screw see Figure 81 all the way then push the top large end pulley toward the back of the lathe to release the tension on the attached timing belt Timing Belt Tensioning Thumb Screw Figure 81 Direction gears positioned for grease fitting access 3 Roll the timing belt off the top large end pulley and rest it on the smaller pulley as shown in Figure 81 50 4 Loosen the pivot lock bolt shown Figure 81 then turn the spindle counterclockwise by hand as you apply pressure to the direction gear pivot bracket until both grease fittings are accessible for lubrication 5 lubricant and wipe of any excess lubricant 6 Rotate the direction gear pivot bracket so that the direction gears correctly mesh with the spindle shaft gear for your next operation then re tighten the pivot bolt 7 Apply upward and forward pressure to the top end pulley to tension the timing belt as you re tigh
38. The headstock features a D1 3 variable speed spindle that operates at 50 2300 RPM Spindle speed changes are done very quickly and accurately with the convenient adjustment knob and digital display Variable speed control allows the operator to dial in the perfect cutting speed for super fine finishes The carriage has longitudinal power feeding capabilities with 9 available feed speeds ranging from 0 003 0 0051 per revolution The South Bend 8K is capable of cutting inch or metric threads 12 inch threads from 10 32 and 12 metric threads from 0 4 3 0mm Accessories include a heavy duty tailstock a 4 way tool post MT 2 dead center dead center and 3 jaw scroll chuck Model 81001 8K Lathe INTRODUCTION For Machines Mfg Since 8 11 Identification Control Electrical Panel Cabinet 3 Jaw Chuck Headstock Compound Rest Bess Ball Handle Quill ool Pos Master Power Lock Lever Switch Quill Ball Handle A Tailstock a EB EC Longitudinal Spindle Cross Slide Three V Way Leadscrew Ball Handle Carriage Half Nut Handwheel Lever AWARNING AWARNING Serious personal injury could occur if Untrained users have an increased risk you connect the machine to power before of seriously injuring themselves with this completing the setup process DO NOT machine Do not operate this machine until connect power until instructed to do so later you have understood th
39. achine 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 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 Full Load Rating ccccccccsscssscssceces 10 Amps The full load current is not the maximum amount of amps that the machine will draw If the machine is overloaded it will draw additional amps beyond the full load rating If the machine is overloaded for a sufficient length of time damage overheating or fire may result especially if connected to an undersized circuit To reduce the risk of these hazards avoid overloading the machine during operation and make sure it is connected to a power supply circuit that meets the requirements in the following section 14 PREPARATION For Machines Mfg Since 8 11 CAUTION For your own safety and protection of property consult an electrici
40. ailstock Carbide Tipped Dead Center Figure 37 Example photo of using a dead center in the tailstock To mount a center in the tailstock 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean and dry the tapered mating surfaces of the quill and the center making sure that no lint or oil remains on the tapers Note This helps ensure that the tool seats properly and has minimal runout 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 Seatthe center firmly into the quill during workpiece installation by rotating the quill handwheel clockwise to apply pressure with the center engaged in the center hole in the workpiece Note Only apply enough pressure with the tailstock quill to securely mount the workpiece between centers Avoid overtightening the center against the workpiece or the center may become difficult to remove later and the excess pressure will result in unnecessary friction and heat which may damage the workpiece and center South Bend Lathe Co For Machines Mfg Since 8 11 Mounting Workpiece Between Centers 1 DISCONNECT LATHE FROM POWER 2 Center drill both ends of the workpiece 3 Install the MT 3 dead center in the spindle with a lathe dog and faceplate then install the MT 2 dead center in the tailstock 4 Generously lubricate the workpiece center holes
41. an if you are unsure about wiring practices or applicable electrical codes Circuit Requirements This machine is prewired to operate on a 110V power supply circuit that has a verified ground and meets the following requirements Nominal Voltage 110V 120V CY ClO 60 Hz Single Phase Circuit RAating icccccscsccsscvrescesesonsessesseses 15 Amps Plug Receptacle NEMA 5 15 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 connected to a circuit protected by fuses use a time delay fuse marked D 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 For Machines Mfg Since 8 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
42. any lathe operations South Bend Lathe Co 5 Model 81001 8K Lathe Carriage INTRODUCTION For Machines Mfg Since 8 11 Tailstock Figure 3 Carriage components 4 Way Tool Post Mounts up to four cutting tools at once that can be individually indexed to the workpiece Compound Rest Ball Handle Moves the tool toward and away from the workpiece at the preset angle of the compound rest Carriage Lock Secures the carriage in place when the carriage 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 Half Nut Lever Engages disengages the half nut for threading operations Carriage Handwheel Moves the carriage along the bedway Cross Slide Ball Handle Moves the cross slide toward and away from the workpiece Figure 4 Tailstock components Quill Moves a tool or center toward or away from the workpiece Tailstock Lock Nut Secures the tailstock in position along the bedway Quill Lock Lever Secures the quill in position Quill Ball Handle Controls the movement of the quill Offset Scale Indicates the relative distance of tailstock offset from the spindle centerline Tailstock Offset Set Screw 1 of 2 Adjusts the tailstock offset left or right from the spindle centerline South Bend Lathe C
43. area please call us at 360 734 1540 or email us at cs southbendlathe com 581468 5 4 Jaw Chuck D1 3 for SB1001 581469 6 Faceplate D1 3 for SB1001 SB1468 Figure 75 4 Jaw Chuck and Faceplate for SB1001 46 South Bend Co For Machines Mfg Since 8 11 ESSORIES Model 581001 8K Lathe SB1245 MT 2 Bull Nose Center e Tips are made of Cr Mo steel and hardened to HRC60 1 e Centers use a combination of tapered roller bearings and ball bearings e Applicable for pipe turning Figure 76 SB1245 MT 2 Bull Nose Center SB1298 SBL Bench Lathe Shop Clock SB1299 SBL Toolroom Lathe Shop Clock SB1300 SBL Lathe with Man These fine traditional shop clocks are constructed with a metal antique finished frame They are easy to read from a distance and measure 14 in diameter Pictures just don t do them justice They are very nice quality clocks and perfect for the South Bend Lathe aficionado Figure 77 Antique finished South Bend shop clocks South Bend Lathe Co SB1391 D1 3 Back Plate Sized to fit D1 3 chuck mounts these back plates are precision made and mount to your chuck with minimal modifications Figure 78 SB1391 D1 3 Back Plate 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 stab
44. 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 lathe from power before performing these procedures South Bend Lathe Co 8 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 T
45. cation of the spindle bearing and chuck fittings is done with a pump type oil gun 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 fitting break the spring seat and lodge the ball into the oil galley Push the rubber or plastic tip of the oil can nozzle against the ball to create a hydraulic seal then add the lubricant Use the schedule and information in the chart below as a daily guide for lubrication tasks NOTICE The following schedule is based on light to medium usage Some components may need to be lubricated more frequently depending on usage Lubrication Task Frequency Page i LongitudinalLeadserew Daily 51 South Bend Lathe Co Spindle Bearings Oil Type Mobil DTE Light or ISO 32 Equivalent Lubricating Device Pump Type Oil Gun 1 2 Pumps Fregq ency Daily The spindle bearing lubrication fittings are located on either side of the headstock see Figure 80 ess Left Spindle Bearing Fitting Right Spindle Bearing Fitting Figure 80 Spindle bearing lubrication fittings NOTICE Use only an ISO 32 equivalent oil to lubricate the spindle bearings Using a heavier lubricant such as grease will cause the bearing to run hot and cause excessive machine wear 49 Model 581001 8K Lathe I E For Machines Mfg
46. cause it to be thrown from the spindle with deadly force at the operator or bystanders AWARNING Use a minimum of THREE independent clamping devices to hold the workpiece onto the faceplate Failure to properly secure a workpiece to the faceplate could cause it to be thrown from the lathe with deadly force at the operator or bystanders 2 Place a sturdy piece of plywood under the spindle to protect the bed ways during the installation process 3 Position the workpiece onto the faceplate and clamp it in place with a minimum of three independent clamping devices see Figure 25 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 25 Example photo of workpiece clamped in a faceplate South Bend Lathe Co 29 Model 81001 8K Lathe Tailstock The tailstock see Figure 26 can be used to support workpieces with the use of centers It can also be used to drill or bore holes or cut shallow tapers by using the offset set screws Lock Lever 1 Quill Quill Ball Handle Figure 26 Tailstock components Graduated Dial In6 r ments 52 0 ette ite t Eee 0 001 One Full Revolution 0 050 Increments on
47. d inside electrical cabinet 5 Wiring is open has high resistance 6 Spindle switch is at fault 7 Spindle speed dial is at fault 8 Motor is at fault 1 Drive or timing belts are loose and slipping 2 Timing belt pulleys are loose or missing shaft keys 1 Excessive depth of cut or feed rate 2 Spindle speed or feed rate wrong for cutting operation 3 Cutting tool is dull 1 Workpiece is unbalanced 2 Workpiece is hitting stationary object 3 Loose or damaged drive belt s 4 Drive belt pulleys are not properly aligned 5 Chuck or faceplate is unbalanced 6 Spindle bearings at fault 1 Wrong spindle speed or feed rate 2 Cutting tool is dull or incorrect for operation 3 Tool height incorrect 4 Too much play in gibs Possible Solution Rotate STOP button clockwise until it pops out to reset it for operation replace if not working properly 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 Check for broken wires or disconnected corroded connections and repair replace as necessary Replace spindle switch Replace spindle speed dial Test repair replace Re tension drive belts
48. d all the way back into the tailstock Contaminants not removed from taper before inserting into quill Gibs are out of adjustment Ways are loaded with grime or chips Leadscrew mechanism worn or out of adjustment Dovetail slides loaded with shavings dust or grime Gib screws are too tight Bedways are dry Carriage lock is tight Chips have loaded up on bedways Bedways are dry and in need of lubrication Gibs are too tight Gears broken 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 Spindle and tailstock centerlines are not properly aligned with each other Chuck needs lubrication Chips lodged in the jaws or scroll plate Gears not aligned inside headstock TROUBLESHOOTING For Machines Mfg Since 8 11 Possible Solution Turn the tailstock handwheel until it forces the tapered tool out of quill Clean the taper and bore and re install tapered tool Adjust gib screws see Page 54 Clean the ways and re lubricate Replace leadscrew and nut Remove gibs clean ways dovetails lubricate and re adjust gibs Loosen gib screws slightly see Page 54 Lubricate bedways see Page 52 Check to make sure the carriage lock is loose Frequently clean away chips that load up during turning operations Lubricate bedways and handles Loosen gib screw
49. d 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 Place a sturdy piece of plywood under the spindle to protect the bed ways during the installation process see Figure 18 Flywood Frotection for the Bed Ways Figure 18 Plywood used to protect bed ways 3 Clean and lightly oil the camlock studs then thoroughly clean the mating surfaces of the spindle and chuck South Bend Lathe Co 25 Model 81001 8K Lathe 4 Align the registration mark on the chuck see Figure 19 with the one on the spindle Note The camlock studs were adjusted at the factory to correctly fit the corresponding spindle cam hole then the registration marks were made so that the chuck can be mounted with the same alignment each time Figure 19 Chuck and spindle registration marks 5 Install the chuck by inserting the camlock studs straight into the spindle cam holes Important Avoid inserting the studs at an angle this can damage studs or spindle cam holes CORRECT INCORRECT Figure 20 Inserting camlock studs into spindle cam holes 26 OPERATION 6 For Machines Mfg Since 8 11 Incrementally tighten the camlocks in a criss cross or star pattern to ensure that the chuck seats evenly against the s
50. der 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 50 Minimum for Maintenance Figure 8 Clearances South Bend Lathe Co 18 For Machines Mfg Since 8 11 Leveling amp Mounting 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 Leveling Leveling machinery helps precision components such as bed ways remain straight and flat during the lifespan of the machine Components on an unleveled machine may slowly twist due to the dynamic loads placed on the machine during operation For best results use a precision level that is at least 12 long and sensitive enough to show a distinct movement when a 0 003 shim approximately the thickness of one sheet of standard newspaper is placed under one end of the level See the figure below for an example of a high precision level
51. e cam line is aligned with the spindle mark Tip Camlocks can become very tight 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 a dead blow hammer or other soft mallet lightly tap around the outer circumference of the chuck body to loosen it from the spindle 5 Remove the chuck from the spindle using a light rocking motion to carefully slide the studs out of the 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 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 Safer Inside Insufficient Jaw Use Jaw Clamping Bar Stock Unstable Workpiece Unsafe Jaw Fosition and Safer Outside Foor Scroll Gear Engagement Jaw Use Shallow Grip Bar Stock Unstable Workpiece
52. e resolved the problem A Troubleshooting section is provided starting on Page 57 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 sure the master power switch see Figure 14 on the front of the machine is turned OFF Master Power Switch Figure 14 Master power switch location 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 South Bend Lathe Co PREPARATION Model SB1001 8K Lathe 3 Clear away all tools and objects used during assembly lubrication and preparation 4 Make sure that the chuck and jaws if installed are secure refer to Chuck Installation on Page 25 Note If a chuck is not installed on the lathe you do not need to install one for this test 5 Push the emergency STOP button on the control panel see Figure 15 Emergency STOP Button Tachometer Display Spindle Switch Spindle Speed Se Figure 15 Control panel 6 Turn the spindle speed dial all the way counterclockwise to set the spindle to it
53. ection Figure 50 Testing for correct drive belt tension Selecting Spindle Speed When spindle rotation is started with the spindle switch the spindle speed is selected by rotating the spindle speed dial see Figure 51 until the tachometer display shows the desired spindle Speed Spindle Speed Dial Tachometer Display STOP a y Figure 51 Spindle speed controls NOTICE The maximum recommended spindle speed is 2300 RPM DO NOT exceed this for more than a brief period of time or machine damage may occur 40 OPERATION For Machines Mfg Since 8 11 Power Feed amp Threading Setup Timing Belts amp Pulleys The rate that the carriage moves when engaged with the longitudinal leadscrew for power feed or threading operations is controlled by the configuration of the timing belts and pulleys see Figure 52 Figure 52 Timing belt and pulley The timing belt and pulley configurations for the available feed rate and threading options are displayed in the chart on the front of the end cover see Figure 53 Feed Rate amp Threading Chart Figure 53 Feed rate and threading chart South Bend Lathe Co 8 11 Setting Power Feed Rate Working at the lathe follow along with the example below to better understand how to set up the lathe for the desired power feed rate Tools Needed W
54. ed cutting speed is an ideal speed for cutting a type of material in order to produce the desired finish and optimize tool life The books Machinery s Handbook or Machine Shop Practice and some internet sites provide excellent recommendations for which cutting speeds to use when calculating the spindle speed These sources also provide a wealth of additional information about the variables that affect cutting speed and they are a good educational resource Also there are a large number of easy to use spindle speed calculators that can be found on the internet These sources will help you take into account the applicable variables in order to determine the best spindle speed for the operation South Bend Lathe Co 8 11 Selecting Spindle Speed Range There are two ranges of available spindle speeds 1 that are selected by repositioning the drive belt between the idler and spindle pulleys see 2 Figures 47 48 m Spinde N Figure 47 Drive belt between idler and spindle pulleys in the low range position OPERATION Model SB1001 8K Lathe To Change the Drive Belt Position DISCONNECT LATHE FROM POWER Open the end cover Loosen the pivot block hex nut see Figure 49 This will allow the tensioning bolt to change the position of the idler pulley in the next step High Range Position Figure 48 Drive belt between idle
55. ed direction gears Page 50 Lubricate grease fittings Page 51 Clean lubricate the longitudinal leadscrew Page 51 Lubricate 3 jaw chuck Page 52 e Clean lubricate the bedways and slides Page 52 e Check condition and tension of drive belts Page 55 and timing belts e Check for loose or damaged timing belt pulleys e Turn the spindle speed dial all the way counterclockwise to prevent high speed startup e Disengage the half nut lever on the apron to prevent crashes upon startup e Ensure the carriage lock is loose 48 After Operations Turn the spindle switch to the OFF position depress the STOP button and shut OFF the master power switch to prevent accidental startup e Vacuum clean all chips and swarf from bed slides and benchtop or stand e Wipe down all unpainted or machined surfaces with an lightly oiled rag Annually e Check level bedway Page 19 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 bedways 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 lightly oiled rag Avoid using compressed air to blow off chips as it may drive them deeper
56. electric current in order to reduce the risk of electric shock This machine is equipped with a power cord that has an equipment grounding wire and a grounding plug see Figure 5 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 GROUNDED 5 15 RECEPTACLE Grounding Prong SHOCK HAZARD Two prong outlets do not meet the grounding requirements for this machine Do not modify or use an adapter on the plug provided if it will not fit the outlet have an electrician or qualified service personnel install the proper outlet with a verified ground PREPARATION Model SB1001 8K Lathe 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 wire gauge size gets 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 14 AWG Maximum Length Shorter is Better 50 ft South Bend Lathe Co 15 81001 8K
57. ervicing electrical components or performing any wiring tasks Wire Connections All 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 task replace those wires or components before completing the task Experiencing Difficulties If you are experiencing difficulties unde
58. experience using this manual What did you like about it Is there anything you would change to make it better Did it meet your expectations for clarity professionalism and ease of use South Bend Lathe Inc Technical Documentation Manager P O Box 2027 Bellingham WA 98227 Email manuals southbendlathe com Updates For your convenience any updates to this manual will be available to download free of charge through our website at www southbendlathe com Customer Service We stand behind our machines If you have any service questions parts requests or general questions about your purchase feel free to contact us South Bend Lathe Co P O Box 2027 Bellingham WA 98227 Phone 360 734 1540 Fax 360 676 1075 International Fax 360 734 1639 USA Only Table of Contents INTRODUCTION pessssssssstssstsonssontsontsonssonssonssonssonnsonssonssonses S ces 24 About This Masi 3 Operation 1 24 Foreword succi 3 Chuck amp Faceplate 25 3 Chuck Installation 5 ssci scccoscsveicaiscdcecesaatdassactortias 25 Identification NER 4 Chuck eren 27 Basic Controls amp 5 Seroll Chuck Clamping eren 27 Master Power Switch cies cist td
59. for the first time Damage caused to the bearings and bushings from running the lathe without lubrication will not be covered under warranty Refer to Lubrication beginning on Page 51 for details on how to lubricate the lathe Power Connection After you have completed all previous preparation instructions and power supply requirements the machine is ready to be connected to the power supply To avoid unexpected startups or property damage use the following steps whenever connecting or disconnecting the machine Connecting Power 1 Turn the master power switch on the front of the headstock OFF 2 Insert the power cord plug into the matching power supply receptacle The machine is now connected to the power source Figure 12 Connecting power Disconnecting Power 1 Turn the master power switch on the front of the headstock OFF 2 Grasp the molded plug and pull it completely out of the receptacle Do not pull by the cord as this may damage the wires inside Figure 13 Disconnecting power 20 South Bend Lathe Co 8 11 Test Run After all preparation steps have been completed the machine and its safety features must be tested to ensure correct operation If you discover a problem with the operation of the machine or its safety components stop the motor disconnect the machine from power and do not operate it further until you hav
60. g 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 10 South Bend Lathe Co For Machines Mfg Since 8 11 Model SB1001 8K Lathe Additional Metal Lathe Safety Clearing Chips Metal chips can easily cut bare skin even through a piece of cloth Avoid clearing chips by hand or with a rag Usea brush or vacuum to clear metal chips Chuck Key Safety A chuck key left in the chuck can become a deadly projectile when the spindle is started Always remove the chuck key after using it Develop a habit of not taking your hand off of a chuck key unless it is away from the machine Tool Selection Cutting with an incorrect or dull tool increases the risk of accidental in
61. he typical preparation process is as follows 1 Unpack the lathe and inventory the contents of the box crate 2 Clean the lathe and its components 3 Identify an acceptable location for the lathe and move it to that location 4 Level the lathe and bolt it to a workbench or stand 5 Assemble the loose components and make any necessary adjustments or inspections to ensure the lathe is ready for operation 6 Check lubricate the lathe 7 Connect the lathe to the power source 8 Test run the lathe to make sure it functions properly 9 Perform the spindle break in procedure to prepare the lathe for operation South Bend Lathe Co PREPARATION Model SB1001 8K Lathe Required for Setup To complete the preparation process you will need the following items For Lifting and Moving e Additional people for lifting the lathe at least two For Power Connection A power source that meets the minimum circuit requirements for this machine review Power Supply Requirements on the next page for details For Cleaning amp Assembly Cotton rags Mineral spirits Quality metal protectant oil Safety glasses Bench mounting hardware as needed Precision level 13 Model 81001 8K 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 m
62. hough 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 PREPARATION Model SB1001 8K Lathe 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 Put on safety glasses and disposable gloves 2 Coat all surfaces that have rust preventative with a liberal amount of your cleaner or degreaser and let them soak for a few minutes 3 Wipe off the surfaces If your cleaner or degreaser is effective the rust preventative will wipe off easily Note To clean off thick coats of rust preventative on flat surfaces such as beds or tables use a PLASTIC paint scraper to scrape off the majority of the coating before wiping it off with your rag Do not use a metal scraper or it may scratch the surface 4 Repeat Steps 2 3 as necessary until clean then coat all unpainted surfaces with a quality metal protectant or light oil to prevent rust South Bend Lathe Co 17 Model 81001 8K Lathe Location Physical Environment The physical environment where your machine is operated is important for safe ope
63. ib adjustment 6 Without moving the gib screws re tighten the hex nuts to secure the settings South Bend Lathe Co For Machines Mfg Since 8 11 SERVICE Model 581001 8K Lathe Cross Slide amp Compound Rest Gibs The gibs for the cross slide and compound rest are flat bars that are held between the component and the dovetail way by the gib screws see Figures 90 91 Adjust these gib screws in the same manner as the carriage gib screws Figure 91 Compound rest gib components Adjusting Drive Belts Drive belts stretch and wear with use so check the tension on a regular basis to ensure optimal power transmission Replace the belts if they show signs of glazing fraying or cracking Tools Needed Qty Wrench 16 1 Wrench 17 1 To adjust the drive belts 1 DISCONNECT LATHE FROM POWER 2 Open the end cover then loosen the pivot block hex nut see Figure 92 This will allow the tensioning bolt to change the position of the idler pulley in the next step Figure 92 Drive belt tensioning controls South Bend Lathe Co 55 Model 81001 8K Lathe For Machines Mfg Since 8 11 3 Apply moderate pressure on the idler pulley see Figure 92 toward the front of the lathe while turning the tensioning bolt counterclockwise to lower the idler pulley and increase belt tension The correct amount of belt tension is when there is approx
64. igure 69 Feed direction gears in the right hand threading position belts and pulleys removed for photo clarity 3 Standard To make the leadscrew and spindle rotate in the same direction turn the spindle clockwise by hand as you apply pressure on the pivot bracket toward the front of the lathe until the rear direction gear meshes with the spindle shaft gear see Figure 69 South Bend Lathe Co OPERATION Model SB1001 8K Lathe 4 Reverse To make the leadscrew and spindle rotate in opposite directions turn the spindle counterclockwise by hand as you apply pressure on the pivot bracket toward the back of the lathe until the front direction gear meshes with the spindle shaft see Figure 70 Feed Direction Gears in Reverse Position 22 4 Figure 70 Feed direction gears the left hand threading position 5 Neutral To disengage the leadscrew and end pulleys from the drive train a Back out the tensioning thumb screw see Figure 71 all the way then push the top end pulley toward the back of the lathe to release the tension on the attached timing belt Direction N Feed Gears ZA Figure 71 Feed direction gears in the neutral position b Turn the spindle counterclockwise by hand and apply pressure on the pivot bracket toward the front of the lathe until the front direction gear is resting on the timing belt see Figure 71 6 Re tighten the pivot lock bolt and close the e
65. iicet E ERU EXE 2 Setting Thread Pitch of 12 TPI 1 DISCONNECT LATHE FROM POWER 2 Open the end cover 3 Loosen the pulley shaft hex nuts and tensioning thumb screw shown in Figure 59 ovr T d PCT Figure 59 Pulley shaft hex nuts and tensioning thumb screw 4 Position the pulley shafts so that the timing belts are loose 5 Locate the column in the inch thread chart for 12 TPI see Figure 60 Pulley amp Belt Identification in 10 11 12 13 14 16 18 19 24 A 48 24 48 18 48 48 48 48 44 140 120 140 120 140 140 140 140 Figure 60 Thread chart example for 12 TPI 42 South Bend Lathe Co For Machines Mfg Since 8 11 6 Arrange the timing belts and pulleys as indicated in the illustration above the threading chart see Figures 61 62 and the pulley and belt identification column in the chart Figure 61 Threading timing belt and pulley configuration B 48T Pulleys Pulley Removed From Here F 140 Belt 44 D 18T Pulley Figure 62 Threading timing belt and pulley identification a Make sure the 16T pulley is on the upper left pulley shaft b Remove the pulley and bushing from the A B pulley shaft see Figure 62 Note To remove a pulley remove the hex nut from the pulley shaft then remove the pulley Take care not to displace the shaft key When re installing the pu
66. ility 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 79 South Bend Cast Iron Workbench Legs 47 Model SB1001 8K Lathe N I zl N For Machines Mfg Since 8 11 Maintenance Schedule AWARNING Always disconnect machine from power before performing maintenance or serious personal injury may result Ongoing To maintain a low risk of injury and proper machine operation if you ever observe any of the items below shut down the machine immediately and fix the problem before continuing operations e Loose mounting bolts or fasteners e Worn frayed cracked or damaged wires e Emergency STOP button not working correctly or not requiring you to reset it before starting the machine again e Loose worn or damaged drive belts or timing belts Damaged or malfunctioning components Daily Before Operations Lubricate the spindle bearings Page 49 Lubricate fe
67. imately deflection with moderate pressure applied to the belt between the pulleys see Figure 93 Deflection Figure 93 Testing for correct drive belt tension 4 When the belt tension is correct continue applying pressure on the idler pulley as you re tighten the pivot block hex nut to secure the tension setting 5 Re check the tension on both belts and if necessary repeat this procedure until the correct belt tension is attained 6 Close the end cover before re connecting the lathe to power NOTICE DO NOT overtighten belt tension This could cause the machine to run hot and cause damage to the motor and bearings 56 South Bend Co For Machines Mfg Since 8 11 TROUBLESHOOTING Model SB1001 8K Lathe If you need replacement parts or if you are unsure how to do any of the solutions given here feel free to call us at 360 734 1540 Symptom Machine does not start or a circuit breaker trips Loud repetitious noise coming from inside end cover Motor is loud when cutting or bogs down under load Entire machine vibrates upon startup and while running Bad surface finish Possible Cause 1 STOP button is engaged or at fault 2 Power supply is switched OFF at master power switch or breaker 3 Wall fuse circuit breaker is blown tripped short in electrical system start up load too high for circuit 4 Fuse has blown on circuit boar
68. impact injuries Large or non concentric workpieces must be turned at slow speeds Always use the appropriate feed and speed rates Stopping Spindle by Hand Stopping the spindle by putting your hand on the workpiece or chuck creates an extreme risk of entanglement impact crushing friction or cutting hazards Never attempt to slow or stop the lathe spindle with your hand Allow the spindle to come to a stop on its own or use the brake Crashes Aggressively driving the cutting tool or other lathe components into the chuck may cause an explosion of metal fragments which can result in severe impact injuries and major damage to the lathe Reduce this risk by releasing automatic feeds after use not leaving lathe unattended and checking clearances before starting the lathe Make sure no part of the tool tool holder compound rest cross slide or carriage will contact the chuck during operation Long Stock Safety Long stock can whip violently if not properly supported causing serious impact injury and damage to the lathe Reduce this risk by supporting any stock that extends from the chuck headstock more than three times its own diameter Always turn long stock at slow speeds Coolant Safety Coolant is a very poisonous biohazard that can cause personal injury from skin contact alone Incorrectly positioned coolant nozzles can splash on the operator or the floor resulting in an exposure or slipping hazard To decrease
69. indle uses camlocks that are adjusted with an 8mm hex wrench 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 is shipped with the 3 jaw chuck installed This is a 01 3 scroll type chuck where all three jaws move in unison when the chuck key is used A 4 jaw chuck generally features independent jaws which are used for square or unevenly shaped stock and to mount work that needs to be adjusted to near zero total indicated runout If neither chuck can hold your workpiece use a faceplate which 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 See Accessories on Page 46 for available 4 jaw chuck and faceplate options from South Bend OPERATION Model SB1001 8K Lathe Chuck Installation To ensure accurate work it is extremely important to make sure the spindle nose and chuck mating surfaces tapers are clean Even a small amount of lint or debris can affect accuracy The chuck is properly installed when all camlocks are tight the spindle an
70. is entire manual and in this manual received proper training 4 South Bend Lathe 8 11 Basic Controls amp Components Refer to Figures 1 4 and the following descriptions to become familiar with the features and basic controls of this lathe This knowledge will be necessary to properly set up the lathe for the test run and spindle break in Master Power Switch The switch shown in Figure 1 toggles incoming power ON and OFF to the lathe controls Master Power Switch Figure 1 Master power switch location CAUTION Always disconnect the lathe from power before performing any adjustments maintenance or service Turning the master power switch to OFF is NOT a safe alternative to completely disconnecting the machine from power when performing these tasks INTRODUCTION Model SB1001 8K Lathe Control Panel Figure 2 Control panel components A Spindle Speed Dial Controls the variable spindle speed B Emergency STOP Button Cuts power to the motor and control panel Twist clockwise until it pops out to reset C Spindle Switch When the master power switch is ON starts stops and reverses spindle rotation D Tachometer Display Displays a digital readout of the spindle speed AWARNING To reduce the risk of serious injury when using this machine read and understand this entire manual before beginning
71. jury due to the extra force required for the operation which increases risk of breaking or dislodging components that can cause small shards of metal to become dangerous projectiles Always select the right cutter for the job and make sure it is sharp A correct sharp tool decreases strain and provides a better finish Securing Workpiece An improperly secured workpiece can fly off the lathe spindle with deadly force which can result in a severe impact injury Make sure the workpiece is properly secured in the chuck or faceplate before starting the lathe Chucks Chucks are very heavy and difficult to grasp which can lead to crushed fingers or hands if mishandled Get assistance when handling chucks to reduce this risk Protect your hands and the precision ground ways by using a chuck cradle or piece of plywood over the ways of the lathe when servicing chucks Safe Clearances Workpieces that crash into other components on the lathe may throw dangerous projectiles in all directions leading to impact injury and damaged equipment Before starting the spindle make sure the workpiece has adequate clearance by hand rotating it through its entire range of motion Also check the tool and tool post clearance chuck clearance and saddle clearance Speed Rates Operating the lathe at the wrong speed can cause nearby parts to break or the workpiece to come loose which will result in dangerous projectiles that could cause severe
72. lleys align the pulley keyway with the shaft key then secure it in the reverse order Only tighten the hex nut until it is slightly snug enough to keep the pulley on the shaft Overtightening it may damage the shaft and bushings South Bend Lathe Co OPERATION Model SB1001 8K Lathe c Install two 48T pulleys on the upper right pulley shaft positions A and B d Install the 18T pulley on the D pulley shaft bottom right e Install two 140XL timing belts in positions E and F 7 Apply pressure to the upper right pulley as you re tighten the shaft hex nut on that pulley shaft 8 Continue to apply pressure on the pulley as you re tighten the thumb screw to tension the timing belts Important Leave a slight amount of slack in the timing belts when securing the pulleys Adjusting the tension too tightly will cause excessive wear and stretching Adjusting the tension too loosely could cause the belt to slip during operation 9 Close the end cover before re connecting the lathe to power Thread Dial The numbers on the thread dial show when to engage the half nut during inch threading refer to thread dial chart for number usage The thread dial gear must be engaged with the leadscrew for this to work Use 5mm hex wrench to loosen the cap screw shown in Figure 63 pivot the dial gear toward the leadscrew so that it properly meshes with the leadscrew threads then re tighten the cap screw to hold
73. mb usce cete 44 Disconnecting 20 Changing Feed 45 BL gno c 21 Spindle 1 23 Recommended Adjustments ss 23 ACCESSORIES rere manente manta raa 46 ELECTRICAL 59 MAINTENANCE rte 4g Electrical Safety Instructions 99 Maintenance 48 Electrical Cabinet Wiring Diagram 60 Cleaning amp Protecting eese 48 PARTS a 61 ei 49 Headstock aS cie ona Isa 61 Spindle Bearings 49 Bed amp Timing Belt 62 Feed Direction Gears 50 Saddle amp Cross 64 Grease Fittings eene 51 Compound Rest amp Tool 65 Longitudinal Leadscerew eese DI 66 TERT T petes iei Peut eei endete amada 67 Bedways amp 5 52 Electrical amp sss 68 Machine 22 2 000 58 Accessories 00 69 Leadscrew End Play Adjustment
74. move the carriage so that you clean the entire length of the leadscrew Apply a thin coat of oil along the length of the leadscrew Use a clean 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 51 Model SB1001 8K Lathe SERVICE For Machines Mfg Since 8 11 3 Jaw Chuck Oil Type Mobil Vactra 2 or ISO 68 Equivalent Lubrication Device Pump Type Oil Gun 6 As Needed Lubrication Daily Proper lubrication of the chuck ball oiler see Figure 86 is done with a pump type oil gun 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 into the oil galley Figure 86 Chuck ball oiler 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 gun until clean oil runs out When finished wipe away any excess oil Use the chuck key to rotate the chuck scroll gear several times to distribute the oil 59
75. nd cover 45 Model SB1001 8K Lathe e 4 ESS D R ES For Machines Mfg Since 8 11 Accessories AWARNING Some aftermarket accessories can be installed on this machine that could cause it to function improperly increasing the risk of serious personal injury To minimize this risk only install accessories recommended for this machine by South Bend 581365 Oil for Lathes Engineered for 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 Will not gum up ISO 68 equivalent OIL 1365 Figure 72 SB1365 Oil for Lathes SB1470 Steady Rest for SB1001 581471 Rest for SB1001 581470 581471 Figure 73 Steady rest and follow rest for 581001 SB1281 MT 2 High Performance Live Center Set e Shafts are made of alloy steel and vacuum heat treated to HRC60 1 for high rigidity and durability Centers use a combination of roller bearings thrust ball bearings and ball bearings Waterproof design Figure 74 SB1281 MT 2 High Performance Live Center Set 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
76. nst the chuck face jaw steps or into the spindle opening 4 Position the workpiece so it is centered in the chuck Workpiece Centerpoint Figure 23 4 jaw tightening sequence After the workpiece is held in 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 24 for an example Figure 24 Example photo of non cylindrical workpiece correctly mounted on the 4 jaw chuck 28 South Bend Co For Machines Mfg Since 8 11 OPERATION Model SB1001 8K Lathe To mount a non concentric workpiece to the faceplate DISCONNECT LATHE FROM POWER Faceplate Refer to the Chuck Installation Page 25 1 and Chuck Removal Page 27 instructions to install or remove the faceplate The optional Model SB1469 cast iron faceplate 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 Only machine a non concentric workpiece at low speeds and clamp counter weights to the faceplate to balance it Machining a non concentric workpiece at a high speed could
77. o For Machines Mfg Since 8 11 INTRODUCTION Model SB1001 8K Lathe Product Specifications P O Box 2027 Bellingham WA 98227 U S A PHONE 360 734 1540 South Bend Lathe Co www southbendlathe com Model 81001 South Bend 8K 8 x 18 Lathe Product Dimensions ea a A E E D 268 lbs Width side to side x Depth front to back x 40 x 18 x 19 in Footprint Length x 35 1 2 x 6 1 4 in Shipping Dimensions Wood Crate Content pnm 282 lbs Length x Width x ERE RH da RE Ee ER E Re eeaeee e TERETE nir iaia aS 43 x 20 x 24 in Electrical Power Requirement sccsscssessecsseessecescesseeeseesecesseeeececaeseeeesaeeeeeceaeesaeesaeesaeeeeeeeeeaees 120V Single Phase 60 Hz Full Load Current dici c 10A Minimum Circuit S126 RT 15A Cul 5 ft TEES 14 Gauge Plug Included eines Ira O ER 5 15 Motors Main Universal 1 1 2 WO GC 1207
78. ool with Spindle Centerline For most operations the cutting tool tip should be aligned with the spindle centerline as illustrated in Figure 43 Cutting Spindle Center Figure 43 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 31 for detailed instructions e Make a facing cut on a piece of round bar stock If the tool is above or below the spindle centerline a nub will be left in the center of the workpiece Adjust the height of the tool then repeat the facing cut to check the adjustment Repeat as necessary until the center of the workpiece face is smooth South Bend Lathe Co OPERATION Model SB1001 8K Lathe Tools Needed Qty Hex Wrench 6mm cincti 1 Steel Shims eee As Needed Cutting Tool ccccccscesscesscesscesscesscesssescssssessens 1 Fine 1 1
79. 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 or www southbendlathe com to order new labels 70 South Bend Lathe Co Warranty This quality product is warranted by South Bend Lathe Company to the original buyer for one year from the date of purchase This warranty does not apply to consumable parts or defects due to any kind of misuse abuse negligence accidents repairs alterations or lack of maintenance We do not reimburse for third party repairs In no event shall we be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our products We do not warrant or represent that this machine complies with the provisions of any law act code regulation or standard of any domestic or foreign government industry or authority In no event shall South Bend s liability under this warranty exceed the original purchase price paid for this machine Any legal actions brought against South Bend Lathe Company shall be tried in the State of Washington County of Whatcom This is the sole written warranty for this machine Any and all warranties that may be implied by law including any merchantability or fitness for any purpose are hereby limited to the duration of this
80. pindle When the chuck is fully seated and all the camlocks are tight 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 Verify that the chuck spindle tapers are seated firmly together by removing the chuck per the Chuck Removal instructions on the next page and pay close attention to how easily the tapers release Ifit 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 Support South Bend Lathe Co For Machines Mfg Since 8 11 OPERATION Model SB1001 8K Lathe Chuck Removal To remove the chuck 1 DISCONNECT LATHE FROM POWER 2 Place a sturdy piece of plywood under the spindle to protect the bed ways during the removal process 3 Loosen the camlocks by turning the key counterclockwise until each of the cam lines are aligned with its corresponding spindle mark see Figure 21 Cam line aligned with spindle mark E Figure 21 Camlock is fully loosened when th
81. r however over tightened gibs cause premature wear and make it difficult to turn the handwheels 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 Before you begin adjusting the gibs make sure the ways are free of chips and grime and they are well lubricated so they can move smoothly and without interference Saddle Gib The saddle gib is located underneath the rear of the saddle see Figure 89 This gib is a flat bar that is sandwiched between the gib plate and the bedway Gib Plate Figure 89 Saddle gib components 54 Tools Needed Qty Wrench 1 Hex Wrench 2 5 1 To adjust the saddle gib 1 DISCONNECT LATHE FROM POWER 2 Make sure the carriage lock is loose and the half nut is disengaged so that the carriage can move freely 3 Loosen the hex nuts on the gib screws then loosen the gib screws two or three turns 4 Use the handwheel to move the carriage back and forth this will ensure the gib is loose 5 Re tighten the gibs screw evenly until a slight resistance is felt then use the handwheel to test carriage movement Loosen or tighten the gib screws evenly until you are satisfied with the g
82. r and spindle pulleys in the high range position When the drive belt is in the outside position as shown in Figure 47 the low range of spindle speeds 50 200 RPM are available When the drive belt is in the inside position as shown in Figure 48 the high range 200 2400 RPM of spindle speeds is available Tools Needed Qty Wrench 16 1 Wrench 17 1 South Bend Lathe Co Figure 49 Drive belt tensioning controls 4 Turn the tensioning bolt counterclockwise to raise the idler pulley and release the belt tension Roll the belt from the current position on the idler and spindle pulleys to other position outside for the low range and inside for the high range Important Make sure the belt is positioned across the full width of the pulleys and the ribs of the belt are fully seated in the pulley grooves Apply moderate pressure on the idler pulley toward the front of the lathe see Figure 49 while tightening the tensioning bolt clockwise 39 Model 81001 8K Lathe Note As you tighten the tensioning bolt the shafts will straighten and apply more tension to the belts The correct amount of belt tension is when there is approximately deflection with moderate pressure applied to the belt between the pulleys see Figure 50 Important Do not overtighten the belts this could cause the machine to run hot and cause damage to the motor and bearings Defl
83. ration 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 moisture 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 eliminated PREPARATION For Machines Mfg Since 8 11 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 Consi
84. re adjust the lock fasteners to allow the components to freely move see Figures 39 40 Compound Rest Gib Screws Figure 40 Location of compound rest gib screws 35 Model 81001 8K Lathe Compound Rest The compound rest ball handle 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 IR Cr EM ONS 0 001 One Full Revolution 0 050 Tool Needed for Adjusting Angle Qty Wrench 14mm iua cette texts teretes 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 41 n Compound Rest Figure 41 Compound rest 2 Rotate the rest to the desired angle as indicated by the scale at the base then re tighten the two hex nuts Tip If setting up to cut external right hand inch or metric threads or internal left hand threads for the first time set the compound rest so its travel is perfectly parallel with the cross slide Then using a protractor rotate the compound 29 5 counterclockwise and mark the new location on the cross slide This mark will be the quick reference point for setting the offset angle To mark for internal right hand threads or external left hand
85. rench 31m 2 Setting Power Feed Rate of 0 0041 rev 1 DISCONNECT LATHE FROM POWER 2 Open the end cover 3 Loosen the pulley shaft hex nuts and tensioning thumb screw shown in Figure 54 OPERATION Model SB1001 8K Lathe 6 Arrange the timing belts and pulleys as indicated in the illustration above the feed rate chart see Figures 56 57 and the pulley identification column in the chart Figure 54 End pulley shaft hex nuts and tensioning thumb screw 4 Position the pulley shafts so that the timing belts are loose 5 Locate the column in the feed rate chart for a feed rate of 0 0041 rev see Figure 55 Pulley Identification Feed Rate of 0 0041 rev Figure 55 Feed rate chart column for a rate of 0 0041 rev South Bend Lathe Co Figure 56 Feed rate pulley and timing belt configuration Figure 57 Feed rate pulley and timing belt identification a Make sure the 16T pulley is on the upper left pulley shaft Note To remove a pulley remove the hex nut from the pulley shaft then remove the pulley Take care not to displace the shaft key When re installing the pulley align the pulley keyway with the shaft key then secure it in the reverse order Important Only tighten the hex nut until it is slightly snug enough to keep the pulley on the shaft Overtightening it may damage the shaft and bushings 41 Model 81
86. rstanding the information included in this section contact our Technical Support at 360 734 1540 WIRING DIAGRAM COLOR KEY YELLOW WHITE ORANGE WHITE ORANGE BLACK BLUE BROWN zr WHITE GREEN GRAY lt South Bend Lathe Co 6 PINK WHITE PURPLE GREEN eO ow 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 59 Model SB1001 8K Lathe For Machines Mfg Since 8 11 Electrical Cabinet Wiring Diagram To Spindle Speed Sensor 12 Spindle Switch Spindle Speed Emergency ABB Type C3SS1 10B 20 Potentiometer Stop Button 110 010 ABB Tachometer Display Go CE4T 10R 02 Ancer RPM320 72 oll 1 4 5 Contactor 5 Jd ABB 5 O 3 A12 30 10 5 IN lt 5 59 2 To ON OFF Switch gt E 93 E 2 9 33 OOB 89 00000090 K 2 gt Q o 5 8 Time Delay Lou 5 T10L250V I Out Fan O
87. rt the tool into the quill Check to see if it is properly seated by attempting to twist it by hand it should 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 Note The tool may seat further when it is pushed against the workpiece South Bend Lathe Co For Machines Mfg Since 8 11 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 3mm 6 1 Wrench USGI esc nettes erepto Peut eee ee 1 To offset the tailstock 1 Loosen the tailstock lock nut to release the clamping pressure between the top and bottom castings see Figure 28 Tailstock Lock Nut Offset Set Screw 1 of 2 Figure 28 Tailstock offset controls 2 Loosen one offset set screw then tighten the other to move the tailstock top casting in the desired direction see the illustration in Figure 29 South Bend Lathe Co OPERATION Model SB1001 8K Lathe
88. s slowest speed for start up 7 Move the spindle switch to the OFF middle position 8 Make sure the end cover is closed as shown in Figure 16 Figure 16 End cover closed 91 Model 81001 8K Lathe To prevent the carriage from unexpectedly moving during further steps move the half nut lever up to disengage the carriage from the leadscrew see Figure 17 Half Nut Lever Half Nut Lever and Half Nut 7 8 Disengaged Engaged PREPARATION Figure 17 Half nut lever in the disengaged position 10 11 12 99 Reset the STOP button by twisting it clockwise until it pops out then turn the master power switch ON Move the spindle switch to the forward left position then slowly turn the spindle speed dial clockwise to begin spindle rotation at a low speed When operating correctly the machine runs smoothly with little or no vibration or rubbing noises Investigate and correct strange unusual noises or vibrations before operating the machine further Always disconnect the machine from power when investigating or correcting potential problems Use the spindle speed dial to increase and decrease spindle speed to verify the operation of the dial For Machines Mfg Since 8 11 13 Move the spindle switch to the OFF position let the spindle come to a complete stop then move the switch to the right position to reverse spindle rotation 14
89. s mounted on the bedway down the bed to make sure that rust is not beginning to occur If it is remove it and re apply a heavy coat of way oil 6 Every few months repeat Step 3 South Bend Lathe Co Leadscrew End Play Adjustment After a long period of time you may find that the leadscrew develops a small amount of end play This end play can be removed with an adjustment of the lock collars on the right end of the leadscrew Tools Needed Hex Wrench 2 5m 1 To remove leadscrew end play 1 DISCONNECT LATHE FROM POWER 2 Insert the hex wrench or similar tool into a hole on the rim of the outside leadscrew lock collar see Figure 88 to loosen it a couple of turns Outside Lock Collar Figure 88 Longitudinal leadscrew lock collars 3 Inthe same manner loosen the inside lock collar a couple of turns 4 Engage the half nut with the leadscrew then use the handwheel to move the carriage toward the tailstock with slight pressure 5 Tighten the inside lock collar until it is just snug then tighten the outside collar against it to secure the setting 53 Model 581001 8K Lathe SERVICE For Machines Mfg Since 8 11 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 chatte
90. shing injuries Reduce this risk by keeping any included guards covers doors installed fully functional and positioned for maximum protection South Bend Lathe Co 9 Model SB1001 8K Lathe SAFE TY For Machines Mfg Since 8 11 Entanglement Loose clothing gloves neckties jewelry or long hair may get caught in moving parts causing entanglement amputation crushing or strangulation Reduce this risk by removing securing these items so they cannot contact moving parts Mental Alertness Operating this item with reduced mental alertness increases the risk of accidental injury Do not let a temporary influence or distraction lead to permanent disability Never operate when under the influence of drugs alcohol when tired or otherwise distracted Safe Environment Operating electrically powered equipment in a wet environment may result in electrocution operating near highly flammable materials may result in a fire or explosion Only operate this item in a dry location that is free from flammable materials Electrical Connection With electically powered equipment improper connections to the power source may result in electrocution or fire Always adhere to all electrical requirements and applicable codes when connecting to the power source Have all work inspected by a qualified electrician to minimize risk Disconnect Power Adjusting or servicing electrically powered equipment while it is connected to the po
91. ten the tensioning thumb screw to secure it in place Important Leave a slight amount of slack in the timing belt Adjusting the tension too tightly will cause excessive wear and stretching Adjusting the tension too loosely could cause the timing belt to slip during operation 8 Close the end cover before re connecting the lathe to power South Bend Lathe Co For Machines Mfg Since 8 11 SERVICE Model SB1001 8K Lathe Grease Fittings Grease Lubricating Device eani Brequerncy The exact amount may vary slightly each fitting on the machine If excessive grease is seen exiting between the parts reduce the amount added There are 10 grease fittings on the Model SB1001 that require daily lubrication with the included grease gun Refer to Figures 82 85 for the locations of these fittings Leadscrew Fitting Figure 83 Left leadscrew bushing grease fittings South Bend Lathe Co g m Tailstock 4 Fittings Leadscrew Fitting Figure 85 Tailstock and right leadscrew bushing grease fittings Longitudinal Leadscrew Oil Type Mobil Vactra 2 or ISO 65 Equivalent PT UM As Needed Daily Before lubricating the leadscrew clean it first with mineral spirits and a stiff brush Make sure to
92. tention 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 21 2 Move the spindle switch to the left position then run the lathe for ten minutes at each of the following approximate speeds 50 500 900 1800 and 2300 RPM 3 Turn the spindle speed dial all the way counterclockwise to the minimum and move the spindle switch to the middle OFF position NOTICE The maximum recommended spindle speed is 2300 RPM DO NOT exceed this for more than a brief period of time or machine damage may occur South Bend Lathe Co PREPARATION Model SB1001 8K Lathe 4 When the spindle has come to a complete stop move the spindle switch to the right position and run the spindle in reverse at 2300 RPM for another ten minutes 5 Turn the spindle speed dial all the way counterclockwise to the minimum move the spindle switch to the OFF position and turn the master power switch OFF 6 Check and if necessary re tension the drive belts refer to Adjusting Drive Belts on Page 55 for detailed instructions Congratulations The spindle break in is complete Continue with the following Recommended Adjustments subsection Recommended Adjustments For your convenience the adjustments listed below have been performed at the factory However because of the many
93. then mount the workpiece on the centers and hold it in place with light pressure from the tailstock center 5 Seat the center firmly into the quill by rotating the tailstock handwheel clockwise to apply pressure against the workpiece see the example photo in Figure 38 Note Only apply enough pressure with the tailstock quill to securely mount the workpiece between centers Avoid overtightening the center against the workpiece or the center may become difficult to remove later and the excess pressure will result in unnecessary friction and heat which may damage the workpiece and center 77 Figure 38 Example photo of a workpiece mounted between the centers South Bend Lathe Co OPERATION Model SB1001 8K Lathe Carriage amp Slide Locks The carriage cross slide and compound rest can be locked into position to provide additional rigidity during operation especially during heavy cuts To lock the carriage use a 5mm hex wrench to tighten the carriage lock cap screw shown in Figure 39 11 8 Gib Screws Figure 39 Location of carriage lock and cross slide gib screws To lock the cross slide or compound rest use an 8mm wrench to loosen the hex nuts and a 2 5mm hex wrench to fully tighten the two end gib adjustment set screws on both sides Note When it is no longer necessary to lock these components make sure to loosen
94. threads repeat this process but rotate the rest 29 5 clockwise and mark the cross slide accordingly 86 For Machines Mfg Since 8 11 Four Way Tool Post The four way tool post is mounted on top of the compound rest and allows a maximum of four tools to be loaded simultaneously Each tool can be quickly indexed to the workpiece by loosening the top handle rotating the tool post to the desired position then re tightening the handle to lock the tool into position Installing Tool Tool Needed Hex Wrench 6mm 1 To install a tool in the tool post 1 Adjust the tool post cap screws so that the cutting tool can fit underneath them see Figure 42 for an example Tool Fost 2 Bolt Cutting Tool Figure 42 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 cap screws 3 Check and adjust the cutting tool to the spindle centerline as instructed in the next subsection South Bend Lathe Co For Machines Mfg Since 8 11 Aligning Cutting T
95. turn it to a 60 point as illustrated in Figure 30 8 Use calipers to measure both ends of the workpiece If the test stock is thicker at the tailstock end move the tailstock top casting toward the front of the lathe the distance of the amount of taper see Figure 32 Move the tailetock toward the front of the lathe the dietance of the taper Figure 30 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 Looking down from above have to be refinished whenever the center is removed and then returned to the chuck Figure 32 Adjust tailstock toward the operator 4 Install centers in the spindle and tailstock If the test stock is thinner at the tailstock 5 Attach a lathe dog to the test stock from end move the tailstock top casting toward Step 2 then mount it between the centers the back of the lathe the distance of the see Figure 31 for an example photo amount of taper see Figure 33 Looking down from above Move tailetock toward the back of the lathe the distance of the taper Figure 31 Example photo of stock mounted between the centers Figure 33 Adjust tailstock away from the operator 9 Repeat Steps 6 8 until the desired accuracy is achieved
96. variables involved with transporting the machine during shipping we recommend that you at least verify the following adjustments to ensure the best possible operational 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 Tailstock alignment to the spindle centerline Page 31 e Gib adjustments Page 54 23 Model 81001 8K 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 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
97. wer 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 maintained To reduce this risk always maintain this item to the highest standards and promptly repair service a damaged or malfunctioning component Always follow the maintenance instructions included in this documentation Unattended Operation Electrically powered equipment that is left unattended while runnin

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