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Southbend SB10146PF User's Manual

1. 1 1901 1904 1 1 ETZ 1905 5 1905 j 1 1906 9x56 N pc 1007 eed 1900 1908 60616069 lelelele eo 1909 910 ejerejsierisiessiersie y P 1912 eJlelelejlelejele jeejleleleje e jeje O Q 1 Control Panel viewed from behind 1915 1914 1915 1916 REF PART DESCRIPTION REF PART 4 DESCRIPTION 900 FSB1OA46FF1900 ELECTRICAL CABINET ASSEMBLY 901 901 C23400 1 TERMINAL BAR 17 902 9O2 OL RELAY AB 21 25 ELECTRICAL PANEL BACK PLATE 903 F1903 MASTER POWER SWITCH STOP BUTTON 904 904 CONTACTOR CO9400 4 MOTOR ON BUTTO 905 9205 OL RELAY AB 25 4A 5 MOTOR OFF BUTTO 906 906 CIRCUIT BREAKER 14925P 25A 6 COOLANT PUMP ON BUTTON 907 907 CIRCUIT BREAKER 14925P 1 9208 9208 TRANSFORMER SUEN LIANG SP TBSW PSB F1918 POWER LAMP 909 909 FUSE 250V TIME DELAY 132 South Bend Lathe Co For Machines Mfg Since 3 11 Turn Nado Gearhead Lathes Accessories 2004 2002 lt 2009 ia _ iud 2006 BW bs 22 208 2010 ENS 7 3 REF PART DESCRIFTION REF PART DESCRIPTION 2001
2. 36 General Identification C Is amp C 5 Operation Overvlew 36 ontrols Un ponents Chuck amp Faceplate 37 Master Power 5 iastallation amp Removal Devices sos 37 2 x Choke 38 Contre 39 Cana E 6 Beatle 99 Ped 7 Scroll Chuck Clampinsg 40 Tas asan 7 We Jaw 40 Safety Foot 2 012221 8 40 SB1046PF SB1047PF SB1048PF 9 Product Sinecifivati i Faceplates eanne a nne I 41 a jl css MEM 42 13 Positioning Tailstock 2 00122 42 LJ ddp fet 17 Usine uuu TOES 42 Understanding Risks of Machinery 17 Installing Tooling eee 43 Basic Machine Safety 17 Removing Tooling cec 44 Additional Metal Lathe Safety 19 Offsetting Tailstock eese 44 Additional Chuck Safety 20 Aligning Tailstock to Spindle Centerline 45 21
3. 116 South Bend Lathe Co For Machines Mfg Since 3 11 RT 5 Turn Nado Gearhead Lathes Motor amp Headstock Oil System Parts List REF PART PSBIOAGPFOS8O1 P 5 o o 5 M 5B1046P 2M BHS38M SBIO46P SBIO46P SBIO46P M SB1IO46P SBIO46P 5 1046 e SP1046F 5 1046 5 6 5 5 P P P P F F0824 PK29M PKO7M PR29M P5B1046FF0828 P FO631 1 H 4 FO815 6 2 9 2 PS FO632 5 DESCRIFTION L HOSE 5 8 L HOSE FITTING 5 2 NFT ETAINING SCREW UMF HOUSING UMP IMPELLER XT RETAINING RING 15MM LAT WASHER UT 8 1 25 SCREW M5 8 X 55 LAT HD SCR MG 1 X 12 UTTON HD CAP SCR Mb 8 X amp L TANK L TANK DRAIN PIPE DLER ARM RETAINING RING 35MM ALL BEARING 6202ZZ E m S gt o slolola iv lt U L BALL BEARING 620122 EXT RETAINING KING 12MM MOTOR MOUNT SHAFT 32 X 625MM MOTOR 15HF 440V SPH GOHZ MOTOR JUNCTION BOX REF PART PSBIOAGP 561046 PVA75 PSBIO46P FSB1O46F PCAFG4M P5B1046P PS 04 P PSBIO46P PBSIM PWO4M PSBIO4AGP FCAFG4M FNO2M P5B1046P HS09M FO8S4 FO amp 35 FO636 FO amp 39 FO amp 40 FO
4. 1 Figure 12 Toolbox inventory O Carbide Tipped Dead Center 5 1 P Dead Center MT 85 1 Q Tapered Spindle Sleeve 7 5 1 Carriage Handwheel Handle 1 S Cross Slide Handwheel Handle 1 T Hex Wrench Set 1 5 10mm 1 U Hex Wrench 10mm 1 V Cast Iron 8 Installed amp Not Shown Oty e SB1312 12 3 Jaw Chuck 1 e SB1404 12 Back Plate for SB1312 1 Note Some inventory components or additional documentation may be shipped inside of the lathe electrical cabinet These items MUST be removed before connecting the lathe to the power source 24 South Bend Lathe Co For Machines Mfg Since 3 11 Cleaning amp Protecting The unpainted surfaces are coated at the factory with a heavy duty rust preventative that prevents corrosion during shipment and storage The benefit of this rust preventative is that it works very well The downside is that it can be time consuming to thoroughly remove Be patient and do a careful job when cleaning and removing the rust preventative The time you spend doing this will reward you with smooth sliding parts and a better appreciation for the proper care of the unpainted surfaces Although there are many ways to successfully remove the rust preventative the
5. 94 Electrical Cabinet Wiring 95 Spindle Mot or 97 Coolant Pump teret etit erede 97 Control Panel 98 Additional Components 99 Power Supply Connection 99 PARTS M 100 Headstock Housing e 100 Headstock Gears se 103 Gearbox 107 End NE 115 Motor amp Headstock System 116 Saddle amp Cross Slide 118 Tool Post amp Compound Rest 121 Bed amp Shafts 122 Stands amp Panels SB1046PF 47PF SB1056F 58F 124 Stand amp Panels 5 1048 126 Drake uqa rrr Pon evi 128 aaa naya iit ted 129 Thread Dial uu 2 aan 130 Micrometer Stop a 130 Steady 131 Follow Rest anri tenetis 131 Electrical Cabinet amp Control Panel 132 ACCOSSOFIGS cerei e e c e Pa e det 133 Front Machine Labels 134 Rear Machine Labels 135 WARRANTY a aaa ee 187 16 South Bend Precision Toolroom Lathe Circa 1958 For Mac
6. Figure 30 Examples of common devices used during chuck installation and removal 37 Turn Nado Gearhead Lathes Chuck Installation To ensure accurate work it is extremely important to make sure the spindle nose and chuck mating surfaces tapers are clean Even a small amount of lint or debris can affect accuracy The chuck is properly installed when all camlocks are tight the spindle and chuck tapers firmly lock together and the back of chuck is firmly seated against the face of the spindle all the way around without any gaps To install the chuck 1 DISCONNECT LATHE FROM POWER 2 Use an appropriate lifting support or protective device to protect the ways and support the chuck during the installation process 3 Clean and lightly oil the camlock studs then thoroughly clean the mating surfaces of the spindle and chuck 4 Install the chuck by inserting the camlock studs straight into the spindle cam holes Important Avoid inserting the studs by pivoting them in from an angle or rotating the spindle This can damage studs or spindle cam holes CORRECT INCORRECT Figure 31 Inserting camlock studs into spindle cam holes 38 OPERATION For Machines Mfg Since 3 11 5 Incrementally tighten the camlocks in a criss cross or star pattern to ensure that the chuck seats evenly against the spindle 6 When the chuck is fully seated a
7. p Preparation Overview cette 21 Dead Conte xu ss I ae p Things You ll Need a 21 e 2 ad C 47 Power Supply Requirements 22 run x 5 p Jn 47 FCU OUT 22 Center iin Full Load Current Rating 22 i HS Removing Center from Tailstock 48 Circuit Requirements 22 C 48 Grounding Requirements 23 ku i sse Steady Ere ETHER Ree 49 Unpatking 00 bebas 24 Follow aaa 50 Inventory sion theca suska sq 24 Carriage amp Compound Rest Locks 50 Cleaning amp Protectinsg 25 C FM 50 Physical Environment 26 i T SE Electrical Installation 26 E C fasc 26 us 2 2 Weight PI TUER T 26 Mi 181 v 2 59 Space Allocation 26 fie al d 53 Lifting amp Moving eene 27 ehec Desc pU EIN 53 Leveling amp Mounting seen 28 Carnage n Cros
8. Figure 92 Model SB1279 10 Pc 5 C Collet Set SB1272 Collect Attachment This collet attachment takes advantage of the South Bend factory made collet port in the lathe gear cover This accessory installs easily on these South Bend Lathes without having to modify the gear cover The Model SB1272 is capable of delivering years of trouble free service It is manufactured with the same high quality workmanship materials and tolerances South Bend machinery is known for Figure 93 Model SB1272 Collect Attachment South Bend Lathe Co 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 94 Antique finished South Bend shop clocks SB1271 Taper Attachment This taper attachment mounts quickly to the back bedway of your lathe Accurate tapers of up to 12 can be produced without repositioning the attachment having to offset the tailstock or disengaging the cross slide nut The Model SB1271 features scales at both ends reading inches per foot and degrees An angle adjusting knob with fine threads achieves exacting control when setting tapers Figure 95 Mo
9. To Electrical 0 2 Box Page 95 A1 e Chuck Guard Safety Switch Figure 144 To Electrical rus no Figure 144 Chuck Guard Safety switch location Box Page 95 Vk Power Supply Connection Ground Inside Electrical Box Page 95 O MASTER POWER SWITCH Q mm DISCONNECT J l 1 SWITCH as recommended South Bend Lathe Co 99 Turn Nado Gearhead Lathes 23 5 For Machines Mfg Since 3 11 Headstock Housing 1 100 South Bend Lathe Co For Machines Mfg Since 3 11 RT S Turn Nado Gearhead Lathes Headstock Housing 2 South Bend Lathe Co 101 Turn Nado Gearhead Lathes 23 5 For Machines Mfg Since 3 11 Headstock Housing Parts List REF FART DESCRIFTION REF FART DESCRIFTION 1 PSPIOAGFFOOO SHIFT LEVER END 40 FSEIO46PFOO4O DETENT BRACKET 2 0002 4 5 42 0004 25 0006 45 7 46 E F0009_ COMPRESSION SFEING 45 0 PeB1046rF0010 SHIFT KNUCKLE 49 z reev errooz 5 5 reo PHLP HD 9646120 5 4 046PF0014 LEVER BEVELED WASHER 52 5 75810467 55 zz 7 OAGFFOO
10. FAKTITI SHIFT GAT SELECTOR LEVER RETAINER RING 3 1 X 54 4 G35 SELECTOR LEVER COMPRESSION SPRING O RING 39 4 X 3 1 G40 SELECTOR LEVER BASE Q gt al al i ni gt lt c Y r vy m 7 r gt y IFT FORK SUPPORT IFT FORK o E A o 4 S LATE ASKET nt D n i l South Bend Lathe Co 109 Turn Nado Gearhead Lathes aN R 5 For Machines Mfg Since 3 11 Gearbox Parts List REF PART DESCRIPTION REF PART DESCRIPTION 405 PSBIO4GPFO403 SELECTOR LEVER 418 PSBIOAGPFO418 SHIFT FORK FCAFO2M Cosas lef eNOS ATOR 420 PRP24M ROLLFIN5X16 422 5502 MO 1X6 DAGFFOAOB 425 pRrom ROL FIN 4X24 105570408 425 425 SHIFT FORK 46 426 PSBIO4GPFO426 SQUARE HEAD PLUG 1 2 BIOAGPFOA 427 428 PSBIO4GPFO428 COUPLER 1 2 NPT 429 20 IO4GFFOAA 450 2 OXGFFOAS 2 422 110 South Bend Lathe Co For Machines Mfg Since 3 11 RT s Turn Nado Gearhead Lathes Apron 1 South Bend Lathe Co 111 Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 Ap
11. gt X 7 f I gt South Bend Lathe Co 113 Turn Nado Gearhead Lathes JY RT 5 For Machines Mfg Since 3 11 Apron Parts List REF PART DESCRIFTION REF PART DESCRIFTION 604 FSB1046PFOGO4 SPRING CUP 620 PRPO2M ROLL PIN 3X16 505 en THREADED SHAFT 606 622 6 622 COMPRESSION PLATE FLAT WASHER 607 625_ FRPIOEM ROLL FN S X24 606 zm 24 609 625 5 625 5 SHAFT 610 525 en 627 Z rseoscrroo 529 550 55 616 FSE1O4G6FFO616 WORM SHAFT FLAT WASHER 10 652 6 652 an 655 7555 654 3 E South Bend Lathe Co For Machines Mfg Since 3 11 RT Ya Turn Nado Gearhead Lathes End Gears REF PART DESCRIPTION REF PART DESCRIPTION 701 PB25M HEX BOLT M12 1 75 X 25 SPACER 702 FSB1046FFO7O2 FLAT WASHER 52 1 GEAR 44T 56T SBIO4GPF 46PF 705 PSBIOAGPFO7O3 GEAR 24T SBIOAGPF 48PF 6 GEAR 44T 5GT SBIOSGF 56F K G 9 o o 710 711 71 1046 716 EAR 57T SB1046PF 48PF PSB GEAR 57T SBIO5SGF 58F SB GEAR SPACER South Bend Lathe Co 115 Turn Nado Gearhead Lathes 23 R 5 For Machines Mfg Since 3 11 Motor amp Headstock Oil System
12. Unsafe Jaw Fosition and 7 Foor Scroll Gear Engagement Oafer Inside Unsafe Jaw Foeition Jaw Use Cylinder Poor Scroll Gear Engagement Z Figure 36 Jaw selection and workpiece holding 40 OPERATION For Machines Mfg Since 3 11 4 Jaw Chuck Refer to the Chuck Installation see Page 38 and Chuck Removal see Page 39 instructions to install or remove the 4 jaw chuck The 4 jaw chuck features independently adjustable hardened steel jaws for holding non concentric or off center workpieces Each jaw can be independently removed from the chuck body and reversed for a wide range of work holding versatility AWARNING Because of the dynamic forces involved in machining a non concentric or off center workpiece always use a low spindle speed to reduce risk of the workpiece coming loose and being thrown from the lathe which could cause death or serious personal injury Mounting Workpiece 1 DISCONNECT LATHE FROM POWER 2 Place a chuck cradle or plywood on the bedway below the chuck to protect the bedway surfaces 3 Use the chuck key to open each jaw so the workpiece will lay flat against the chuck face jaw steps or into the spindle opening 4 With help from another person or a holding device position the workpiece so it is centered in the chuck South Bend Lathe Co For Machines Mfg Since 3 11 5 Tighten each jaw in small increments After you have adjusted the first
13. Tool Needed Hex Wrench bye PERS 1 To adjust the half nut 1 Disengage the half nut then remove the thread dial 2 Turn the two set screws see Figure 119 clockwise to tighten the half nut and counterclockwise to loosen it Make sure to turn the set screws in even amounts so that one end of the gib does not become tighter than the other Figure 119 Half nut gib adjustment 3 Engage disengage the half nut several times and notice how it feels The half nut is correctly adjusted when it has a slight drag while opening and closing The movement should not be too stiff or too sloppy 4 Repeat Steps 2 3 if necessary until you are satisfied with the half nut pressure 5 Re install the thread dial 80 V Belts V belts stretch and wear with use so check the tension on a monthly basis to ensure optimal power transmission Replace all of the V belts as a matched set if any of them show signs of glazing fraying or cracking Tools Needed Oty Phillips Screwdriver 2 1 Open End Wrench 24mm 1 To adjust the V belts 1 DISCONNECT LATHE FROM POWER 2 Remove the motor access covers shown in Figure 120 Headstock End Figure 120 Locations of motor access covers 3 Adjust the hex nuts on the motor mount bolts shown in Figure 121 to move the motor mount plate up or down a
14. 1 Loosen the two acorn nuts at the base of the compound rest 1 of 2 shown in Figure 59 Figure 59 Compound rest 2 Rotate the rest to the desired angle as indicated by the scale at the base then retighten the two acorn nuts Tip The first time you set the angle of the compound rest for cutting threads mark the location on the cross slide as a quick reference point This will allow you to quickly return the compound rest to that exact angle the next time you need to cut threads For Machines Mfg Since 3 11 Four Way Tool Post The four way tool post is mounted on top of the compound rest and allows a maximum of four tools to be loaded simultaneously Each tool can be quickly indexed to the workpiece by loosening the top handle rotating the tool post to the desired position then re tightening the handle to lock the tool into position Installing Tool Tool Needed Tool Post T Wrench 1 To install a tool in the tool post 1 Adjust the tool post bolts so that the cutting tool can fit underneath them see Figure 60 Tool Fost n d Cutting Tool Figure 60 Example of tool mounted in tool post AWARNING Over extending a cutting tool from the post will increase the risk of tool chatter breakage or tool loosening during operation which could cause metal pieces to be thrown at the operator or bystanders with g
15. 2 Loosen gib screw s slightly see Page 78 3 Slightly loosen backlash setting see Page 78 4 Lubricate bedways and handles 1 Check for debris clean and retighten 2 Re install cutting tool so more than of the total length is sticking out of tool holder 3 Adjust gib screws at affected component see Page 78 4 Replace or resharpen cutting tool 5 Use the recommended spindle speed South Bend Lathe Co 89 Turn Nado Gearhead Lathes TROUBLESHOOTING For Machines Mfg Since 3 11 Symptom Possible Cause Possible Solution Workpiece is 1 Spindle and tailstock centerlines 1 Realign the tailstock to the headstock spindle bore tapered are not properly aligned with each centerline see Page 45 other Chuck jaws will Chips lodged in the jaws or scroll Remove jaws clean and lubricate scroll plate then not move or do not plate replace jaws move easily Carriage will not Gears are not all engaged Adjust gear levers feed or is hard to Carriage lock is tightened down Check to make sure the carriage lock bolt is fully move released Loose screw on the feed handle Tighten Chips have loaded up on bedways Frequently clean away chips that load up during turning operations Bedways are dry and in need of Lubricate bedways and handles lubrication Micrometer stop is interfering Check micrometer stop position and adjust it as necessary see Page 52 Gibs ar
16. n IN BR A M 5 DESCRIPTION HEX NUT 16 2 5 F LAT WASHER 18MM OFFSET INDICATOR PLATE SET SCREW M10 1 5 X 50 ALIGNMENT PIN PIVOT BLOCK ER FLAT WASHER 18MM LOCK WASHER 18MM TAILSTOCK ANCHOR BOLT TAILSTOCK GIB TAILSTOCK GIB ADJUST SCREW South Bend Lathe Co 129 Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 Thread Dial Micrometer Stop P4 CD B amp 1509 5 1607 1600 gt E N 1500 A E d EZ bos 1604 e 1502 1602 L 1605 Pd Pd cb 1605 94 1504 CD f 1609 O a 11610 N J 1505 D gt D 1606 Lo 1607 1505 LD 1611 1612 0 ge 00 REF DESCRIPTION 600 PSBIO4GPFIGOO STOP ASSEMBLY 601 CAP SCREW MI10 1 5 X 60 602 STEEL FLUTED RIVET 2 X 5MM REF PART DESCRIPTION 222 500 PSBIO4GPFI500 THREAD DIAL ASSEMBLY an MONETER HIAL 501 5 1046 605 605 DICATOR STOP CASTING 502 PSB 606 FiGOG DICATOR STOP ROD 505 607 681046 1607 CLAMF PLATE 504 FSP 608 OM SET SCREW M10 1 5 X 20 Bun PER 609 FIGO9 PLUNGER COPPER 507 610 SET SCREW 8 1 25 X 16 506 PSB en F1611 DOG POINT SET SCREW M8 1 25 X 12 12 ET
17. 1109 F BED RACK 5B1056F 57 1 57 09 5 109 5o 09 BED RACK SBIO48PF 59 59 SPINDLE ROD SBIO46PF 57F 5 159 0 5o 0 RACK SB1047PF 58F 60 SET SCREW 8 1 25 X 8 0 RACK SBIO48PF 6l 1 61 SPINDLE ROD LEVER HUB 66 E 57 55 m7 69 551040 169 e 70 SET SCREW 8 1 25 X 12 8 7i 1 71 SFINDLE SWITCH LINKAGE 8 72 72 SHAFT 5B1047PF 58F 8 8 72 1 72 SHAFT 5B1048PF 9 KEY 6X6 X15 75 SCREW 8 1 25 X 70 120 PSBIO4EPFII20_ LEADSCREW SPRING HOUSING 74 74 CLAMP SB1047PF 58F 25 74 74 CLAMP 581048 126 mr 27 5701609227 76_ PSBIOATPFITG 25 77 129 29 FEED ROD END 78 SET SCREW 8 1 25 X 16 50 TAF N BALL OLER 1 4 79 154 54 79 55 20 1156 1 FEED ROD SBIO56F 81 SET SCREW M8 1 25 X 8 36 FEED ROD SBIO4GPF 57F 82 BUSHING South Bend Lathe Co 123 124 Turn Nado Gearhead Lathes 23 R 5 For Machines Mfg Since 3 11 Stands amp Panels SB1046PF 47PF SB1056F 58F 1250 1251 South Bend Lathe Co For Machines Mfg Since 3 11 RT s Turn Nado Gearhead Lathes Stand amp Panels Parts List SB1046PF 47PF SB1056F 58F REF FAKT 201 FSB1O5GF 5 201 5 204 1046 201 F1211 21 F1212 215 F1214 GUARD PIVOT BRACKET DESCRIPTION BRAK
18. 3 Use the foot brake to stop spindle rotation then reverse spindle rotation with the spindle lever then run the lathe at 1600 RPM for 10 minutes 4 Use the foot brake to stop spindle rotation then run the lathe at 150 RPM for ten minutes with the gearbox range lever Figure 27 on the headstock in the L low position and then run the lathe for another ten minutes with the lever in the H high position 5 While the oil is still warm and any metal particles may still be suspended in the oil change the headstock and gearbox oil refer to Lubrication beginning on Page 68 for detailed instructions 6 Check and if necessary re tention the V belts refer to V Belts on Page 80 for detailed instructions Congratulations The spindle break in is complete Recommended Adjustments For your convenience the adjustments listed below have been performed at the factory However because of the many variables involved with 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 e Tailstock alignment Page 45 e Compound and cross slide backlash adjustment Page 77 e Gib adjustments Page 78 35 Turn Nado Gearhead Lathes OPERATION For Machines Mfg Since 3
19. For example to cut a 3 thread select 1 or 3 on the dial TPI 21 31 41 Position 7 2 1 11 2 1 31 1 3 or 2 4 Figure 85 Opposing number group are selected on dial for cutting 72 thread 62 South Bend Lathe Co For Machines Mfg Since 3 11 Chip Drawer The chip drawer catches swarf and metal chips during the machining process It contains a screen that keeps the large chips from returning to the reservoir with the run off coolant this prevents the chips causing pump damage Also it slides open and is removable for cleaning see Figure 88 Chip Drawer Figure 88 Chip drawer CAUTION The chip drawer is very heavy Unless removing the chip drawer for cleaning do not pull it out more than halfway to prevent it falling and causing impact injuries If removing the drawer for cleaning get assistance Workpiece Bronze Cast iron Low Carbon Steel Alloy Metals Stainless Steel OPERATION Water Soluble Oil Turn Nado Gearhead Lathes Coolant System When the coolant pump is turned ON the fluid is delivered through the nozzle attached to the carriage The flow is controlled by the valve lever at the base of the nozzle see Figure 89 Coolant Pump 2 OFF amp ON Buttons Figure 89 Coolant flow controls Always use high quality coolant and follow the manufacturer s instructions for diluting and maintenance The quick refer
20. Personal Protective Equipment Operating or servicing this item may expose the user to flying debris dust smoke dangerous chemicals or loud noises These hazards can result in eye injury blindness long term respiratory damage poisoning cancer reproductive harm or hearing loss Reduce your risks from these hazards by wearing approved eye protection respirator gloves or hearing protection South Bend Lathe Co Trained Supervised Operators Only Untrained users can seriously injure themselves or bystanders Only allow trained and properly supervised personnel to operate this item Make sure safe operation instructions are clearly understood If electrically powered use padlocks and master switches and remove start switch keys to prevent unauthorized use or accidental starting Guards Covers Accidental contact with moving parts during operation may cause severe entanglement impact cutting or crushing injuries Reduce this risk by keeping any included guards covers doors installed fully functional and positioned for maximum protection 17 Turn Nado Gearhead Lathes di 3 Y For Machines Mfg Since 3 11 Entanglement Loose clothing gloves neckties jewelry or long hair may get caught in moving parts causing entanglement amputation crushing or strangulation Reduce this risk by removing securing these items so they cannot contact moving parts Mental Alertness Operating this item with redu
21. Q 9 K Y Q VU o N S O 59 3 II 9 3 I B 9 9 D K olo MIR S O Ul S 9 Ul S S OS OD O KI NW Ul ajl d 3 eo o y O 3 TT FSP1O4GFFO372 FSP1O4GFFO374 FSP1O4GFFO375 FSP1O4GFF0O376 FSP1O4GFF0O376 PSBIO4G6PFO381 9 K vy o m FF0363 9 gt D lt 505 506 FO387 FO388 FOS89 FOS90 FOS91 FOS92 FOS95 FOS94 FOS95 FOS96 FOS97 Q Ul Vv e Dy W OO NJA Ul WV Ul Vv S Dy W Ny Nw OS Ul S 9 9 9 IOO OO S Y y D vy SI UV 3 e 9 AJAA S PSBIOAEPFOS99 PSB1IO4GPFO400 1046 4 2 DESCRIPTION SHAFT NUT ET SCREW 6 1 6 EXT RETAINING RING 22MM COMBO GEAR 45 GEAR 22T GEAR 22T GEAR 331 GEAR 22T SPACER GEAR 361 SHAFT SEAT OIL SEAL 304005 SPA SPLINED SHAFT 5 SEAT SFACEK FIN 6 X 26 ALL BEARING 6005 OPEN T RETAINING RING 17MM EARING SEAT OCK WASHER 6MM LATE REVERSE STOP PLATE ER LOWER PLATE STEEL BALL 1 4 COMPRESSION SPRING ROLL PIN 5 X 16 OM SHIFT FORK SUPPORT L PIN5 X16 TOM SHIFT FORK SCREW 5 5 X 20 PARTITION LOWER MID S LOWER MID S UPPER MID SHIFT FORK SUPPORT UPPER MID SHIFT FORK TOP S FORK SUPPORT TOP S FORK SPA
22. SB1312 3 JAW CHUCK 12 2011 PSDF2 STANDARD SCREWDRIVER 2 2002 202 2005 51252 2018 2004 CENTER pow 2005 5 40427 1806 DEAD CENTER CARBIDE TIPPED MUSS 205 2006 SLEEVE vermis 206 nez 2007 07 75908 2008 FAWON 2018 0427 818 2005 209 55404 200 South Bend Lathe Co 133 Turn Nado Gearhead Lathes PA RU 5 For Machines Mfg Since 3 11 Front Machine Labels Located above cutting fluid tank access panel MODEL SB1057F 18 x 60 TURN NADO GEARHEAD LATHE w DRO 18 60 TOOLROOM LATHE South Bend Lathe Co 18 x 60 MODEL SB1057F MT 2107 REF PART DESCRIPTION REF PART DESCRIPTION O1 PSBIO46PF2101 MACHINE ID B1046PF 07 PSBIO4EPF2107 CHART 5810 o D M e C LABEL 5 C LABEL 5 nr TU rm TT HT m my rm O2 PSBIO48PF2102 UNTRAI PERSONNEL LABEL F2109 MODEL BER LABEL SB1057F 2 2 2 2 2 2 PSBIO4 2 2 PSBIO4 2 2 PSBIO4 2 2 PSBIO5 2 E 2 PSBIO5 2103 PSBLABELO2HL DISCONNECT POWER LABEL HL 2 MODEL NUM L SB 2 2 SBLA 2 2 SBLA 2 2 5B104 2 2 SBLA 2 2 22 2 2 SBPA 2 2 SBPA 2 2 SBPA n 7 7 O4 PSBLABELOGHL BIOHAZARD LABEL HL SAFETY GLASSES LABEL HL 05 1046 2105 TOO
23. and major damage to the lathe Reduce this risk by releasing automatic feeds after use not leaving lathe unattended and checking clearances before starting the lathe Make sure no part of the tool tool holder compound rest cross slide or carriage will contact the chuck during operation Coolant Safety Coolant is a very poisonous biohazard that can cause personal injury from skin contact alone Incorrectly positioned coolant nozzles can splash on the operator or the floor resulting in an exposure or slipping hazard To decrease your risk change coolant regularly and position the nozzle where it will not splash or end up on the floor Tool Selection Cutting with an incorrect or dull tool increases the risk of accidental injury due to the extra force required for the operation which increases the risk of breaking or dislodging components that can cause small shards of metal to become dangerous projectiles Always select the right cutter for the job and make sure it is sharp A correct sharp tool decreases strain and provides a better finish South Bend Lathe Co 19 Turn Nado Gearhead Lathes d 3 For Machines Mfg Since 3 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 t
24. counterclockwise until the tool is forced out of the quill If the tool does not come loose by retracting the quill extend the quill and use a drift key in the slot shown in Figure 43 to remove the tool al N Drift Key Slot Figure 43 Drift key slot in the side of the quill Offsetting Tailstock The tailstock can be offset from the spindle centerline for turning tapers Move the tailstock top casting toward the front of the lathe to machine a taper at the tailstock end Conversely position the tailstock top casting toward the back of the lathe to machine a taper at the spindle end Note The marks on the offset indicator are arbitrary For a precise offset use a dial indicator to check quill movement while adjusting the screws Tools Needed Oty Hex Wrench 6mm 1 Wrench 1 44 For Machines Mfg Since 3 11 To offset the tailstock 1 Loosen the hex bolts underneath both ends of the tailstock to release the clamping pressure between the top and bottom castings see Figure 44 Adjustment Set Screw Hex Bolt 1 of 2 Figure 44 Tailstock offset controls 2 Rotate the adjustment set screws in opposite directions for the desired offset see the illustration in Figure 45 Figure 45 Set screw adjustment in relation to tailstock movement 3 Retighten the clampi
25. cross slide only 4 Bedways are dry 1 Tool holder not tight enough 2 Cutting tool sticks too far out of tool holder lack of support 3 Gibs are out of adjustment 4 Dull cutting tool 5 Incorrect spindle speed or feed rate TROUBLESHOOTING Turn Nado Gearhead Lathes Possible Solution 1 Re install workpiece as centered with the spindle bore as possible Stop lathe immediately and correct interference problem 2 Re tension replace the V belt s as necessary see Page 80 3 Align the V belt pulleys 5 Re balance chuck or faceplate contact a local machine shop for help 6 Adjust gears and establish backlash 7 Replace broken gear or bearing 9 Reset spindle bearing preload or replace worn spindle bearings 1 Adjust for appropriate spindle speed and feed rate 2 Sharpen tooling or select a better tool for the intended operation 3 Adjust tool height to spindle centerline see Page 51 4 Tighten gibs see Page 78 1 Turn the tailstock handwheel until it forces the tapered tool out of quill 2 Clean the taper and bore and re install tapered tool 1 Adjust gib screw s see Page 78 2 Tighten handwheel fasteners adjust handwheel backlash to a minimum see Page 77 3 Adjust leadscrew to remove end play see Page 78 4 Ways are loaded with grime or 4 Clean the ways and re lubricate chips 1 Remove gibs clean ways dovetails lubricate and re adjust gibs
26. especially any parts that are exposed to water soluble coolant Typically a thin film of oil is all that is necessary for protection South Bend Lathe Co Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 qnog INOA se dooy Y osn sty jo soerdoo 9 0 97 9 095 0FSI F8SZ 098 38100 edueq eorA1os enuue qx u 9A uoudy esueyD enuue 153 JO IPA utege pasu IL Nod uouA pue oorAJos enuue INOA 3sej nod Jo YILI dooy suroj1 ooragos osn YIM u93jo 1eo 99u enuuy suro31 ooueuojureuir oq uouA oouoJ9JoJ sornb e se pu q u3nog INOA popngour 193sod ooueuojureur JY sn JEY uo Jey JOU sr ooueuojureur no st ou JI OY uo YILI 91 erjrur JNO 5040 pu q u3nog INOA uo ooueuojureur JO YILI doox 0 1 esp sip 43uourooedoa uorjrpuoo JUL OOD UOTJEULAOJUL Suorjondjsut s 24n39egnueur jue
27. on flat surfaces such as beds or tables use a PLASTIC paint scraper to scrape off the majority of the coating before wiping it off with your rag Do not use a metal scraper or it may scratch the surface 4 Repeat Steps 2 3 as necessary until clean then coat all unpainted surfaces with a quality metal protectant or light oil to prevent rust NOTICE Remove the end gear cover and end gears and use a stiff brush with mineral spirits to clean the rust preventative from the gears and shafts DO NOT get any cleaner or rust preventative on the V belts as it could damage them or make them slip during operations If the belts do become contaminated replace them South Bend Lathe Co 25 Turn Nado Gearhead Lathes Location Physical Environment The physical environment where your machine is operated is important for safe operation and longevity of parts For best results operate this machine in a dry environment that is free from excessive moisture hazardous or flammable chemicals airborne abrasives or extreme conditions Extreme conditions for this type of machinery are generally those where the ambient temperature is outside the range of 41 104 F the relative humidity is outside the range of 20 95 non condensing or the environment is subject to vibration shocks or bumps Electrical Installation Place this machine near an existing power source that meets the minimum circuit requirements Make sure all
28. setting to start with If necessary further adjust the knob for the setting that is right for your NOTICE The carriage clutch will not stop carriage movement when it is engaged with the leadscrew for threading If the carriage feed clutch knob is completely tight all the way clockwise it will be disabled which will not allow it to help prevent damage in event of a crash South Bend Lathe Co For Machines Mfg Since 3 11 OPERATION Turn Nado Gearhead Lathes Setting Power Feed Rate Note In the next step use the chuck key to rock the spindle back and forth to help mesh the The power feed rate chart displays the settings gears as you make adjustments for the headstock feed controls for metric and inch feed rates see Figure 72 3 Fora power feed rate of 0 0025 rev use the configuration string of characters to the left of the selected feed rate LCT7Y to configure the controls as follows L Move the gearbox range lever on the 4 x d ou headstock up to the low position WOH POSITION DO NOT EXCEED d i C Point the left gearbox lever to T Point the middle gearbox lever to T 7 Position the bottom gearbox lever in slot AI Figure 72 Power feed rate chart Y Point the right gearbox lever to Y Using the controls on the lathe follow along with The lathe is now set up for a power feed rate of the example below to better understand how to 0 0025 per spind
29. 11 To complete typical operation the operator Operation Overview 41 5 following The purpose of this overview is to provide 1 Puts on safety glasses rolls up sleeves the novice machine operator with a basic removes jewelry and secures any clothing understanding of how the machine is used during jewelry or hair that could get entangled in operation so they can more easily understand moving parts the controls discussed later in this manual 2 Examines the workpiece to make sure it is Note Due to the generic nature of this overview suitable for turning then securely mounts it is not intended to be an instructional guide the workpiece in one of the chucks or on the for performing actual machine operations faceplate and removes the chuck key from To learn more about specific operations and the chuck machining techniques seek training from people experienced with this type of machine and do 3 Mounts the tooling aligns it with the additional research outside of this manual by workpiece then backs it away to establish a reading how to books trade magazines or safe startup clearance websites 4 Clears all setup tools from the lathe A WAR N 5 Checks for safe clearances by rotating To reduce the risk of the workpiece by hand at least one full serious injury when using revolution this machine read and understand this entire 6 Moves slides to where they will be used manual before beginning during
30. 115 and 150 RPM 210 280 380 and 500 RPM 670 900 1200 and 1600 RPM 3 Move the spindle speed range lever see Figure 66 so that the colors of the selected spindle speed range align with those of the stationary plate OPERATION Stationary Plate Spindle Speed L ever e TP ils Spindle Speed v 4 Range Lever anunt Figure 66 Spindle speed of 1600 RPM is selected 4 Move the spindle speed lever to align the arrow on the inner hub with the same color as your selected speed on the outer hub For Machines Mfg Since 3 11 NOTICE Operating the lathe at spindle speeds higher than 350 RPM when the high H gearbox range is selected could result in gearbox damage Always use spindle speeds of 350 RPM or lower when using the high H gearbox range Power Feed Both the carriage and cross slide have power feed capability when the carriage is engaged with the feed rod The rate that these components move feed rate is controlled by the headstock and quick change gearbox lever positions and the end gear configuration Feed rate and spindle speed must be considered together Keep in mind that the feed rate is expressed in the amount of travel per revolution of the spindle The sources you use to determine the optimum spindle speed for an operation will also provide the optimal feed rate to use with that spindle speed Often the experienced machinist will use the feeds
31. 3 N A N E For Machines Mfg Since 8 11 Longitudinal Leadscrew Oil Type Mobil Vactra 2 or ISO 68 Equivalent Oil A montibus epar ne PER Ds Ce punt As Needed Lubrication Frequency Daily Before lubricating the leadscrew clean it first with mineral spirits A stiff brush works well to help clean out the threads Make sure to move the carriage out of the way so you can clean the entire length of the leadscrew Apply a thin coat of oil along the length of the leadscrew Use a stiff brush to make sure the oil is applied evenly and down into the threads Note In some environments abrasive material can become caught in the leadscrew lubricant and drawn into the half nut In this case lubricate the leadscrew with a quality dry lubricant Ball Oilers Oil Type Mobil Vactra 2 or ISO 68 Equivalent 1 05010 As required Pump Oil Can w Plastic or Rubber Cone Tip 1 Lubrication Frequency Before and After Use Proper lubrication of ball oilers is done with a pump type oil can that has a plastic or rubberized cone tip We do not recommend using metal needle or lance tips as they can push the ball too far into the oiler break the spring seat and lodge the ball in the oil galley Lubricate the ball oilers before and after machine use and more frequently under heavy use When lubricating ball oilers first clean the outside surface to remove any dust or grim
32. 559 Q oQ o o o oj o o o o gt RP ART ART ATA SCIS INI OIA aT rms SJO 550 551 SB K 3 N Y FOSC o lt 9 zi 3 U 3 gt 3 lt FOSOS FOSO4 FOSO5 Y e VU S O Y 9 y gt 9 FOS07 FOSO Uyp_ Vy Wy WV ols WI a 91 9 SI lt o 5 N MIA 9 9 n a 3 i U o N oo 9 n o Q 9 9 D K 9 y Q O Q S 9 05 o S Q a y E 9 3 5 n m aj a o iv 9 3 D FOS FOS20 FO221 FOS22 525 FOS24 FO325 FO226 527 FO328 Ul SI S S 09 Ul OW Wy Wy VW 3 D 9 E 9 WW AIOI O NM Bl WB Aya Q ES 3 iv 6204 O4GFFOSS1 046 2 9 M 9 9 W O S a S S SI 2 KI S IOO 9 M 9 9 FOSS4 FO335 FOS56 FO337 FO336 FO339 FO340 FOS41 FOS42 FOS45 FOS44 FO345 FO346 FO347 F0348 F0349 FOS50 FO351 9 9 9 Q D Q KR BR RB RR RY RY SR S OP OL SISI SI O OS s UV WY PE NY 9 O wW w w Q X X R
33. COLLAR 22 PCAPI4M CAP SCREW 5 1 25 X 20 72 PSBIO46PFOI72 CLUTCH ASSEMBLY 23 75 PBBIOAGPFOTTS 24 74 6906 25 125 75 PSBIOAGPFOI75 CLUTCH GEAR ASSY 27T 26 76 FSBtO46PFO 76 CLUTCH ASSEMBLY SHAFT 27 P6305 OPE 77 5 046 7 WOODRUFF KEY 25 X 7 28 INT RETAINING RING 62MM 78 1 6206 BALL BEARING 6206 OFEN 29 79_ PORGOTS 0 67424 51475 50 reetoserromo SFLNED SHAFT 20 51 PSBIO46PFOIZ1 COLLAR 91 4 OIL SEAL 406212 52 F6007 OFEN BALL BEARING 6007 OFEN e2 PSBIO4GPFOI82 FULLEY SPACER 55 15 85 FGbIO1GPFOIES 24 PSBIO4GPFOI34 GEAR 30T 34T PSB1046PF0184 FULLEY FLAT WASHER 55 PR32M EXT RETAINING RING 48MM 85 PCAPI3M CAP SCREW M8 1 25 X 30 56_ 95104 86 Forro 57 04 17 27 se FSE1O46PFO126 SPLINED SHAFT COVER ee PSB1046PF0188 RETAINING FLAT WASHER 59 29 40 90 4 FSEIO46PFO141 91 FSBIO46FFOI9I SEAL 585508 42_ PSBIOAGPFOWD 92 45 95 44 PSBI046PFO144 OIL SEAL 507212 94 PSBIO46PFOI94 SFLINED SHAFT SPACER 45 95 PSBIO4GPFOI95 NEEDLE BEARING 22 X 30 46 86 47 FSE4O46FFO147 SPLINED GEAR SHAFT 16T 97 PSB1046PF0197 2 46 56 KEY 8X amp X20 96 FSB1046FFO198 OIL DRAIN PLUG 1 2 NPT 49 99 46 9 ELBOW 3 4 X1 2 50 FSE1046PFO15O 200 PSB1046PFO200 COUFLER 3 4 Sout
34. COMPOUND REST BASE SBIOSGF 58F 004 6 OOL POST 019 SET SCREW 8 1 25 X 50 005 6PF1005 BODY 020 PSB1046PF1020 COMPOUND REST LEADSCREW W NUT 007 reetoscrrico 023 008 Feenosorricos 024 009 2609 025 010 _ POBIOsGPFIOIO 026_ PCAPORM POBIOAGPFIOTAA 027 012A GFIO12A COMPOUND REST ASSEMBLY 5B1056F 58F 028 o rro 029 O12 F1O12 COMPOUND EEST SP1056F 58F 050 O 5506 SET SCREW 8 1 25 X 16 032 PSB1I046PF1032 HANDWHEEL END CAP 014 STEEL BALL 1 4 033 SET SCREW MG 1 X 20 054 South Bend Lathe Co 121 Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 Bed amp Shafts SBIO48PF 166 103 1161 SBI047PF SBIO58F ONLY 122 South Bend Lathe Co For Machines Mfg Since 3 11 III RT Ya Turn Nado Gearhead Lathes Bed amp Shatts Parts List REF PART Z DESCRIFTION REF PART DESCRIFTION FSEO56F1O1I LATHE BED 40 6 1056 56 PSBIOA7PFII3Z6 FEED ROD SB1047PF 58F o 56 551040 56 o 57 o o 55 102 02 59 02 40 102 O2 LATHE SB1047PF 58F 45 1046FF1145 02 O2 LATHE BED GAP SB1048PF 46 46 103 HEX NUT MA 47_ POBIOMGPFTIAT 04 OA 45 ros 49 06 50 50 107 55 Forom 08 56 56
35. Experiencing Difficulties If you are experiencing difficulties understanding the information included in this section contact our Technical Support at 360 734 1540 WIRING DIAGRAM COLOR KEY BLACK BLUE BLUE D WHITE D RED GREEN LIGHT BROWN 8 GRAY Gy ob oane O Diss O a The photos and diagrams included in this section are best viewed in color You can see them in color at www southbendlathe com PINK Lb PURPLE WHITE W YELLOW GREEN YELLOW v South Bend Lathe Co 91 Turn Nado Gearhead Lathes 3 3 en il R CA For Machines Mfg Since 3 11 Correcting Phase Pola rity To Fower This sub section is only provided for Supply Swap any two MASTER troubleshooting If you discover during the test run that the lathe will not operate or that the spindle runs backwards the lathe may be wired out of phase of these wires POWER SWITCH Without the proper test equipment to determine C the phase of power source legs wiring machinery L1 L2 L3 to 3 phase power may require trial and error Correcting this is simply a matter of reversing the positions where two of the incoming power source wires are connected Figure 137 Swapping L1 and L2 power connections to t of ph iring To correct wiring that is out of phase Seer 1 Push the STOP butt
36. Figure 117 Carriage Lock Cross Slide y lt Clamp T 9 Gib AdjustmentScrew _ Choe i ROSS 4 Figure 114 Compound and cross slide gib adjustment screws Figure 117 Carriage lock clamp Note Before adjusting the tailstock gib loosen the clamping hex bolts underneath both ends of the tailstock see Figure 118 to release the clamping pressure between the upper and lower castings Test the gib adjustment by using the offset adjustment screws When you are satisfied with the setting retighten the clamping hex bolts b m Offset Adjustment Screw 1 of 2 Figure 115 One of two rear saddle gib adjustment screws Gib Adjustmeft wy Screw 1 of 2 Clamping Hex Bolt 1 Figure 118 Tailstock gib adjustment controls Figure 116 Front saddle gib adjustment screw South Bend Lathe Co 79 Turn Nado Gearhead Lathes 3 T Jed For Machines Mfg Since 3 11 Half Nut Adjustment The clamping pressure of the half nut is fully adjustable with a gib that can be loosened or tightened by two set screws Use this procedure to adjust the half nut if it becomes loose from wear or it is too tight for your preferences half nut that is too loose will make it difficult to produce accurate work half nut that is too tight will increase the rate of wear on itself and the leadscrew
37. HD CAP SCR 6 1 X 12 LING FOOT HEX BOLT 16 2 X 55 UTI END GEAR COVER ASSY 9B1046PF 48PF END GEAR COVER ASSY 9B1056F 58F South Bend Lathe Co 125 For Machines Mfg Since 3 11 Turn Nado Gearhead Lathes Stand amp Panels SB1048PF 1251 1254 e South Bend Lathe Co 126 Stand amp Panels Parts List SB1048PF REF PART DESCRIPTION REF PART DESCRIPTION 201 PSBIO4EPF1201 BRAKE PEDAL SHAFT 250 52 HEX BOLT 1 2 13 X 1 PEDAL SHAFT COLLAR CAP SCREW M6 1 X 12 SCREW SCKEWM6 1X10 EPF 1209 CHIF DRAWER 07 256 I C C 212 HAFT CLUTCH COVER ACKSFLASH MOUNTING FLATE UCK GUARD FIVOT BRACKET SCREW 10 1 5 X 20 ET SCREW 8 1 25 X 12 EX NUT M4 7 LOCK WASHER 6MM 2 4 PSB1046PF1221 CHUCK GUARD SAFETY SWITCH TZ9212 NO6 9 Q IP ACCE SPLAS OTD n N P L 9 N L x 2 9e 9 9o o 9 9 StS N NPN ANT ON E M SS COVER BAC MOUNTING POST CONTROL PANEL PLATE EFT CABINET ENTER CABINET GHT CABINET EVELING FOOT EX BOLT M16 2 X 55 HUCK GUARD WINDOW UTTON HD SCR 6 1 12 CAP SCREW MO 1X 16 HEX NUT M6 1 X 16 END GEAR COVER ASSEMBLY e 5 9 Q PEN OOLA OOLA HLF I
38. Half Nut Lever Engages disengages the half nut for threading operations 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 Spindle Lever Starts stops and reverses direction of spindle rotation Feed ON OFF Lever Engages disengages power feed Apron Feed Direction Knob Changes direction of carriage or the cross slide feed without having to stop the lathe and move the headstock feed direction lever Feed Selection Knob Selects the carriage or cross slide for power feed 6 South Bend Lathe Co For Machines Mfg Since 3 11 Carriage Feed Clutch Knob Figure 6 Adjustable carriage feed clutch knob X Carriage Feed Clutch Knob Adjusts how easily the carriage clutch will disengage automatic feeding when the carriage contacts a feed stop or in the event of a crash Tightening this knob all the way disables the carriage clutch completely Tailstock Figure 7 Tailstock controls Y Quill The quill has an MT 5 taper metric and inch scale and a drift slot to remove tight fitting tooling Z Quill Lock Lever Secures the quill in position AA Tailstock Lock Lever Secures the tailstock in position along the bedway INTRODUCTION Turn Nado Gearhead Lath
39. Lathes Assembly With the exception of the handwheel handles the lathe is shipped fully assembled To install the handwheel handles thread the large handle into the carriage handwheel and the small handle into the cross slide handwheel as shown in Figure 20 Handwheel Handles Figure 20 Handwheel handles installed 29 Turn Nado Gearhead Lathes Lubricating Lathe GEARBOXES MUST BE FILLED WITH OIL STOP LATHE MAY NOT HAVE OIL INCLUDED Refer to the Lubrication Section in this Manual for Recommended Oil Type The headstock quick change gearbox and apron oil reservoirs must have the proper amount of oil in them before the lathe can be operated for the first time Damage caused to the bearings and gears from running the lathe without oil in the reservoirs will not be covered under warranty Refer to the Lubrication section beginning on Page 68 for details on how to check add oil and prime the headstock oil pump In addition to the reservoirs we also recommend that you lubricate all other points on the machine at this time This can be accomplished by following the maintenance schedule on Page 66 Note If this lathe was shipped with oil in the reservoirs do not change that oil until after the test run and spindle break in procedures Adding Coolant Add the coolant of your choice now For detailed instructions on where the coolant tank is located and how to add fluid r
40. a magnetic base to the top of the saddle to indicate alignment First test the peak of the two prisms of the gap insert that the saddle rides on then test the flanks of the prisms Tighten the gap bed cap screws in an alternating manner and tap the side of the gap insert into alignment Inspect the gap alignment 24 hours later to make sure the gap is still aligned If necessary loosen the gap bed cap screws and repeat Steps 7 8 until the insert is properly aligned 87 Turn Nado Gearhead Lathes TROUBLESHOOTING For Machines Mfg Since 3 11 If you need replacement parts or if you are unsure how to do any of the solutions given here feel free to call us at 360 734 1540 Symptom Machine does not start or a circuit breaker trips Loud repetitious noise coming from lathe at or near the motor Motor is loud when cutting or bogs down under load 1 2 1 2 1 2 3 Possible Cause First time operation only Lathe is wired out of phase STOP button is engaged or at fault Spindle switch es are at fault Power supply is switched OFF at master power switch or breaker Wall fuse circuit breaker is blown tripped short in electrical system start up load too high for circuit Fuse has blown in machine electrical box One or more safety switches or brake switch are engaged Thermal overload relay has tripped Safety brake switch es at fault Contactor not getting energ
41. and speeds given in their reference charts or web calculators as a starting point then make minor adjustments to the feed rate and sometimes spindle speed to achieve the best results The carriage can alternatively be driven by the leadscrew for threading operations However this section only covers the use of the power feed option for the carriage and cross slide components for non threading operations To learn how to power the carriage for threading operations refer to Threading on Page 59 54 South Bend Lathe Co For Machines Mfg Since 3 11 Power Feed Controls Use Figures 67 71 and the following descriptions to become familiar with the locations and functions of the controls that you will use to set up the correct power feed for your operation Note Before using power feed you may have to re configure the end gears depending on how they are set up Refer to End Gears on Page 58 for detailed instructions Gearbox Range Lever Selects the low or high feed rate range by re aligning the headstock transfer gear In the middle position disables power feed see Figure 67 Low Neutral HIGH POSITION DO NOT EXCEED SPINDLE SPEED OF 350 R PM Figure 67 Gearbox range lever NOTICE Operating the lathe at spindle speeds higher than 350 RPM could result in gearbox damage when the high H gearbox range is selected Always use spindle speeds of 350 RPM or lower when using a high gearbox
42. certain types of malfunctions or breakdowns grounding provides a path of least resistance for electric current in order to reduce the risk of electric shock Improper connection of the equipment grounding wire can result in a risk of electric shock The wire with green insulation with or without yellow stripes is the equipment grounding wire If repair or replacement of the power cord is necessary do not connect the equipment grounding wire to a live current carrying terminal Check with a qualified electrician or service personnel if you do not understand these grounding requirements or if you are in doubt about whether the machine is properly grounded If you ever notice that a cord is damaged or worn disconnect it from power and immediately replace it with a new one AWARNING Electrocution or fire may occur if machine is not correctly grounded and attached to the power supply Use an electrician or qualified service personnel to ensure a safe power connection South Bend Lathe Co PREPARATION Turn Nado Gearhead Lathes 440V Operation As specified in the Circuit Requirements section on the previous page these machines must be hardwired to the power source using a locking switch see Figure 10 These machines must also be connected to a grounded metal permanent wiring system or to a system with an equipment grounding conductor Due to the complexity and high voltage involved this type of in
43. 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 WD 40 can be used to remove rust preventative Before using these products though test them on an inconspicuous area of a painted surface to make sure they will not damage it AWARNING Gasoline and petroleum products have low flash points and can explode or cause fire if used for cleaning Avoid using these products to remove rust preventative CAUTION Many cleaning solvents are toxic if inhaled Minimize your risk by only using these products in a well ventilated area PREPARATION Turn Nado Gearhead Lathes NOTICE Avoid chlorine based solvents such as acetone or brake parts cleaner that may damage painted surfaces Always follow the manufacturer s instructions when using any type of cleaning product Basic steps for removing rust preventative 1 Puton safety glasses and disposable gloves 2 Coat all surfaces that have rust preventative with a liberal amount of your cleaner or degreaser and let them soak for a few minutes 3 Wipe off the surfaces If your cleaner or degreaser is effective the rust preventative will wipe off easily Note To clean off thick coats of rust preventative
44. keep the arm in place NOTICE As you remove and replace end gears use a stiff brush and mineral spirits to clean away the debris and grime from them then re lubricate them as instructed in End Gears on Page 73 5 Making sure to keep the shaft key firmly seated remove the spacer and the 57T gear then re install them as follows For the standard end gear configuration slide the 57T gear on first then the spacer on the outside For the alternate end gear configuration slide the spacer on first then the gear 6 Re install the cap screw lock washer and flat washer you removed in Step 3 to secure the spacer and 57T gear Do not overtighten 7 Slide the pivot arm back so that either the 44T or the 56T meshes with the 57T gear then retighten the pivot arm hex nut Note Make sure to keep approximately 0 002 play between the gears 8 Replace and secure the end gear cover before re connecting the lathe to power South Bend Lathe Co OPERATION Turn Nado Gearhead Lathes Threading Controls The following subsections describe how to use the threading controls and charts on this lathe If you are unfamiliar with the process of cutting threads on a lathe we strongly recommend that you read books review industry trade magazines or get formal training before doing any threading projects Headstock amp Gearbox Threading Controls The threading charts on the headstock face display the s
45. of the center will remain true to the spindle centerline The point will have to be refinished whenever the center is removed and then returned to the chuck 4 Install a center in the tailstock 5 Attach a lathe dog to the test stock from Step 2 then mount it between the centers see Figure 47 for an example Figure 47 Example photo of stock mounted between the centers 6 Turn 0 010 off the stock diameter 7 Mount test or dial indicator so that the plunger is on the tailstock quill South Bend Lathe Co 45 Turn Nado Gearhead Lathes OPERATION For Machines Mfg Since 3 11 Note If necessary in the following step refer to Offsetting Tailstock on Page 44 for Centers detailed instructions Figure 50 shows the 5 dead centers included with the lathe In addition an 7 5 tapered spindle sleeve is included for mounting centers in the spindle 8 Usecalipers to measure both ends of the workpiece If the test stock is thicker at the tailstock end move the tailstock toward the front of Dead the lathe the distance of the amount of Center taper see Figure 48 Move the tailetock toward the front of the lathe ve the dietance of the taper Carbide Tipped Dead Center Adapter Sleeve Figure 50 Adapter sleeve and dead centers Looking down from above Dead Centers A dead center is a one piece center that does not r
46. or chuck being thrown from the machine with deadly force This lathe ships with the 3 jaw chuck installed This is a scroll type chuck where all three jaws move in unison when the chuck key is used The included 4 jaw chuck features independent jaws which are used for square or unevenly shaped stock and to mount work that needs to be adjusted to near zero total indicated runout If neither chuck can hold your workpiece the cast iron faceplate has slots for T bolts that hold standard or custom clamping hardware With the correct clamping hardware this faceplate will hold non cylindrical parts South Bend Lathe Co OPERATION Turn Nado Gearhead Lathes Installation amp Removal Devices Because chucks are heavy and often awkward to hold some kind of lifting support or protective device should be used during installation or removal The weight and size of the chuck will determine the appropriate device to use refer to the following figure for examples AWARNING A dropped chuck can cause amputation serious crushing injuries or property damage Always use a lifting support or protective device to reduce this risk when installing or removing a chuck SMALL LIGHTWEIGHT CHUCKS Plywood Protection Plate for Chucks Installed by Hand Plywood amp 2x4 Chuck Cradle Plywood Chuck Cradle gt Straight Cute uy 24 Fabricated Steel Lifting Hook Fre Threaded Hole for Lifting Eye y
47. order new labels South Bend Lathe Co 135 WARRANTY RRANTY Warranty This quality product is warranted by South Bend Lathe Company to the original buyer for one year from the date of purchase This warranty does not apply to consumable parts or defects due to any kind of misuse abuse negligence accidents repairs alterations or lack of maintenance We do not reimburse for third party repairs In no event shall we be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our products We do not warrant or represent that this machine complies with the provisions of any law act code regulation or standard of any domestic or foreign government industry or authority In no event shall South Bend s liability under this warranty exceed the original purchase price paid for this machine Any legal actions brought against South Bend Lathe Company shall be tried in the State of Washington County of Whatcom This is the sole written warranty for this machine Any and all warranties that may be implied by law including any merchantability or fitness for any purpose are hereby limited to the duration of this warranty To take advantage of this warranty contact us by mail or phone to give us the details of the problem you are having Thank you for your business and continued support South Bend Lathe Co South Bend Lathe Co P O Box 2027 Bell
48. out Use Figures 108 109 to identify the locations of the coolant system controls and components Coolant ON OFF Buttons Catch Tray Coolant Pump amp Tank Chip Drawer Figure 109 Additional coolant components 74 Although most swarf from machining operations is screened out of the coolant before it returns to the tank small particles will accumulate in the bottom of the tank in the form of sludge To prevent this sludge from being pulled into the pump and damaging it the pump s suction tube is positioned a couple inches from the bottom of the tank and fitted with a fine screen This works well when the tank is regularly cleaned however if too much sludge is allowed to accumulate before the tank is cleaned the pump will inevitably begin sucking it up Hazards As coolants ages and gets used dangerous microbes can proliferate and create a biological hazard The risk of exposure to this hazard can be greatly reduced by replacing the old fluid on a monthly basis or as indicated by the fluid manufacturer The important thing to keep in mind when working with the coolant is to minimize exposure to your skin eyes and lungs by wearing the proper PPE Personal Protective Equipment such as splash resistant safety goggles long sleeve waterproof gloves protective clothing and a NIOSH approved respirator AWARNING BIOLOGICAL amp POISON HAZARD Use the correct p
49. 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 PREPARATION For Machines Mfg Since 3 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 Consider the largest size of workpiece that will be processed through this machine and provide enough space around the machine for adequate operator material handling or the installation of auxiliary equipment With permanent installations leave enough space around the machine to open or remove doors covers as required by the maintenance and service described in this manual A CAUTION Children or untrained people may be seriously injured by this machine Install machine in an access restricted location 21 Electrical Access Door Keep Workpiece Loading Area Unobstruc
50. run the lathe to make sure it functions properly Perform the spindle break in procedure to prepare the lathe for operation PREPARATION Turn Nado Gearhead Lathes Things You ll Need To complete the preparation process you will need the following items For Lifting and Moving e forklift or other power lifting device rated for at least 2596 more than the shipping weight of the lathe see Product Specifications beginning on Page 9 e Lifting straps each rated for at least 25 more than the shipping weight of the lathe e Guide rods for steading the load when lifting e Two other people for assistance when moving machine e Hardwood blocking see Page 27 For Power Connection e A power source that meets the minimum circuit requirements for this machine review the Power Supply Requirements section on the next page for details e An electrician or qualified service personnel to ensure a safe and code compliant connection to the power source For Cleaning amp Assembly Cotton rags Mineral spirits Quality metal protectant oil Safety glasses Wrench or socket 21mm Wrench or socket 19mm Floor mounting hardware as needed Precision level Standard screwdriver 2 South Bend Lathe Co 21 Turn Nado Gearhead Lathes 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 re
51. slide into the bore DO NOT use a hammer on the pin or you may permanently damage the shear mechanism and bore which would make it nearly impossible to remove if it breaks again Instead take the time to carefully line up the two bores so it slides in easily Chamfer the end of the pin if necessary to make it easier to insert 10 Figure 132 New shear pin installed in bore With the pin completely seated in the bore and the head flush with the leadscrew shoulder slide the shroud washer against the shoulder then rotate the washer 180 to completely cover the head of the shear pin as shown in Figure 133 Figure 133 Shroud washer positioning 85 Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 11 Return the retaining ring against the shroud washer and position the retaining ring ears over the shear pin head as shown in Figure 134 This will prevent the shear pin from falling out if the shroud washer should rotate during operation Figure 134 Retaining ring positioned with ears in front of pin access groove Gap Insert Removal amp Installation The gap insert directly under the spindle see Figure 135 can be removed to create additional space for turning large diameter parts The gap insert was installed then ground flush with the bed at the factory to ensure a precision fit and alignment Therefore if the gap insert is removed it may be difficult t
52. stick add oil 68 Changing Headstock Oil The headstock oil must be changed after the break in period and then annually or every six months with heavy service or extreme working conditions Since this lathe uses a base mounted oil tank removing the drain plug and using a drain pan is not a convenient option when changing the oil Alternately we recommend using a remote oil pump with a suction hose that can be inserted through the filler spout to the bottom of the oil tank If a remote oil pump system is not available use the headstock oil pump for this purpose as instructed below Items Needed Qty 5 Gallon Waste Oil Bucket with Lid 1 Adjustable Wrench 1 Hex Wrench ITE as prier x eco pota 1 Mineral Spirits As Needed Shop E As Needed Low Profile Catch Pan 1 Pipe Tape or Sealant As Needed To drain the headstock oil tank 1 DISCONNECT LATHE FROM POWER 2 Remove the end gear cover and the side access panel from the left stand 3 Disconnect the headstock oil supply hose see Figure 97 from the headstock and point it into the waste bucket Figure 97 Headstock oil supply hose South Bend Lathe Co For Machines Mfg Since 3 11 M A I N h i 3 N T Turn Nado Gearhead Lathes 4 Sta
53. the work Adjust the position of the graduated scale by holding the handwheel with one hand and turning the dial with the other The cross slide handwheel has a direct read graduated dial which shows the total amount of material removed from the diameter of the workpiece i e half the amount of tool movement The dial has 0 001 0 02mm increments and one full revolution moves the slide 0 100 5 08mm Rotate the dial collar 180 to read in metric units Compound Rest Handwheel The compound rest handwheel moves the cutting tool linearly along the set angle of the compound rest The compound rest angle is set by hand rotating it and securing in place with two hex nuts The compound rest has an indirect read graduated dial with 0 001 0 02mm increments One full revolution of the handwheel moves the slide 0 100 2 54mm Rotate the dial collar 180 to read in metric units South Bend Lathe Co OPERATION Turn Nado Gearhead Lathes 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 cuttin
54. 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 Registration Marks Lightly stamp registration marks across the mating seams of chuck components These marks will help you re install the chuck in the same position after removal which ensures consistent chuck balance and turning results and allows the same camlocks and studs to operate together for consistent locking and unlocking Spindle amp Chuck Registration Marks Chuck Halves Camlock Spindle for Chuck Reassembly Direct Mount Camlock Chuck Figure 34 Registration mark locations South Bend Lathe Co OPERATION Turn Nado Gearhead Lathes Chuck Removal To remove the chuck 1 DISCONNECT LATHE FROM POWER 2 Use an appropriate lifting support or protective device to protect the ways and support the chuck refer to Installation amp Removal Devices on Page 37 3 Loosen the camlocks by turning the key counterclockwise until each of the cam lines are aligned with its corresponding spindle mark see Figure 35 Cam line aligned with spindle mark Figure 35 Camlock is fully loosened when the cam line is aligned with the spindle mark Tip Camlocks can become very tight A
55. used in the tailstock Mounting instructions are the same for both Figure 52 shows an example photo of a dead center mounted in a tailstock Carbide Tipped Dead Center Figure 52 Example photo of using a carbide tipped dead center installed in the tailstock To mount a center in the tailstock 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean and dry the tapered mating surfaces of the tailstock quill bore and the center making sure that no lint or oil remains on the tapers 47 Turn Nado Gearhead Lathes 3 Use the tailstock handwheel to feed the quill out from the casting approximately 1 Note Do not extend the quill more than 2 or stability and accuracy will be reduced 2 Insert the center into the tailstock quill Seat the center firmly into the quill during workpiece installation by rotating the quill handwheel clockwise to apply pressure with the center engaged in the center hole in the workpiece Note Only apply enough pressure with the tailstock quill to securely mount the workpiece between centers Avoid overtightening the center against the workpiece or it may become difficult to remove later and it will result in excessive friction and heat which may damage the workpiece and center Removing Center from Tailstock To remove the center from the quill hold onto it with a gloved hand or shop rag then rotate the tailstock handwheel counterclockwise to draw the quill back into
56. 128 Shear Pin Figure 128 Location of shear pin 3 Rotate the shroud washer on the leadscrew see Figure 129 so that the cutout lines up with the shear pin head Shear Pin Head Figure 129 Shroud washer and shear pin alignment 4 Puton safety glasses NOTICE If you fabricate your own shear pin make sure to use the material and dimensions specified in Figure 127 Otherwise the shear pin may not provide the intended protection and lathe damage could result South Bend Lathe Co For Machines Mfg Since 3 11 3 RV 14 3E Turn Nado Gearhead Lathes 5 Move the retaining ring shown in Figure 130 away from the shroud washer then move the shroud washer away from the shear pin and against the retaining ring This will create room for you to remove the shear pin Figure 130 Shear pin access Use the magnet to remove the shear pin head Rotate the lathe spindle to line up the inner and outer bores as shown in Figure 131 and use the magnet to remove the other half of the broken shear pin Outer Bore i W Figure 131 Shear pin bores aligned South Bend Lathe Co 8 Put on safety goggles insert the blow gun tip into the shear pin hole and blow out the hole with compressed air Put a drop of oil in the hole then insert the new shear pin into the bore as shown in Figure 132 Note If the pin does not freely
57. 41 can still be used if the potential load will not exceed the strength of the tapered fit For example this includes smaller drill chucks drill bits and centers Note If the tooling has an open hole in the end but is too short to be exposed in the drift slot for removal then a screw can be threaded into the end of the tool to provide a solid surface for the quill pin to push against when the quill is retracted for tool removal Otherwise removal of such tooling may be difficult To install tooling in the tailstock 1 With the tailstock locked in place unlock the quill then use the handwheel to extend it approximately 1 2 Thoroughly clean and dry the tapered mating surfaces of the quill and the center making sure that no lint or oil remains on the tapers Note If the tapered tool shaft has a tang align it with the slot in the back of the quill before seating it 3 With a firm and quick motion insert the tool into the quill Check to see if it is firmly seated by attempting to twist it a firmly seated tool will not twist 4 Unlock the tailstock and move it until the tip of the tool is close to but not touching the workpiece then re lock the tailstock 5 Start spindle rotation unlock the quill then turn the tailstock handwheel clockwise to feed the tool into the workpiece 43 Turn Nado Gearhead Lathes Removing Tooling 1 Usea shop rag to hold the tool 2 Rotate the tailstock handwheel
58. 5 South Bend Lathe Co Turn Nado Gearhead Lathes 3 il R CA For Machines Mfg Since 3 11 Electrical Box E P 95 e h 1 2 e e d E E 3 1 1 ad P Ni 3 pir T IS ey De 2 i 3 A Figure 139 Electrical box 96 South Bend Lathe Co For Machines Mfg Since 3 11 E L i R x Turn Nado Gearhead Lathes Spindle Motor Ground Spindle Motor Figure 140 Spindle motor location a To Electrical Box Page 95 Coolant Pump To Electrical Box Page 95 Figure 141 Coolant pump location Ground Coolant Pump South Bend Lathe Co 97 Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 Control Panel Figure 142 Control panel wiring To Electrical ws Box Page 95 Headstock 98 South Bend Lathe Co For Machines Mfg Since 3 11 Turn Nado Gearhead Lathes Additional Components Work Lamp End Gear Cover Safety Switch Figure 143 End Gear Cover Safety switch location End Gear Cover Safety Switch Figure 143 Chuck Guard s Bis Safety Switch
59. 6 NEEDLE ROLLER BEARING 28 20 NOTCHED SPACER GEAR SHAFT L FLUTED RIVET 2 6 X 10 KNOB LABEL SHAFT GEAR SPACER COMBO GEAR 15T 33T GEAR SPACER APRO SIGHT GLASS SHA NE G NE GEAR 24T GEAR 2 SP D GEAR RETAINING RING 20MM COLLAR SLOTTED DOWEL INDICATOR PLATE SHIFT SHAFT GEAR 24T GEAR SHAFT GEAR 241 HANDLE ASSEMBLY O RING 20 8 X 2 4 F21 SHIFT KNUCKLE EXT RETAINING RING 21MM FLAT HD SCR MG 1 X 16 LEVER HUB FLAT WASHER 9 i m m A z T T T sls EN LE BEARING TLA1616 SHAFT 26 m 7 1 m m gt lt n 7 A LE ROLLER BEARING 18 20 z o mj S mj S O 1 m 7 LE ROLLER BEARING TLA2016 ni S REF 555 554 555 557 558 559 560 561 562 565 564 565 566 567 565 569 570 571 572 575 574 575 576 577 576 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 GOO 601 602 605 5520 P5B1046PF0554 P5B1046PF0555 P5B1046PF0557 5505 P5B1046PF0559 P5B1046PFO560 P5B1046PF0561 DID DID ol lt lt 1046 0564 PSS75M SBIO4GPFOS66 PSTBOOS 26 OAGPFO569 gt 2 7 FSPB1O4GFF0O572 PSB1O46PFO5D73 FSPB1O4GFF0574 5 e lt m O m ni 3 lt W O4
60. 665677 955 PSBIO4GPFO9IG BEARING COVER 954 PSBI046PF0954 OIL FILTER GMM 1046 917 955 PSBIO46PFO955 CLAMP PLATE 8 FO9 Q ET SCREW M8 1 25 X 40 956 9 I x N 9 Alo FoB1OAGFFO919 6 6 6 268 ace rsetosorroscs 266 9 gt SCREW 10 1 25 X 60 T SCREW M6 SCREW 8 1 25 X 20 FO932 THRUST BEARING NTB AS2 2035 970 PSBHS35M TTON HD SCR 5 5 X 10 FO929 SHAFT BRACKET 967 P5B1046PF0967 FO930 SPRING 968 FSSO3M STEEL BALL 1 4 969 FCAF14M 9 ODIO m gt gt S c gt FO955 GRADUATED DIAL BASE RING 975 1046 975 RETAINING 9 9 GIO WD W TES 9 e DID 120 South Bend Lathe Co For Machines Mfg Since 3 11 RT Ya Turn Nado Gearhead Lathes Tool Post amp Compound Rest 1 ee 1001 1000 REF PART DESCRIPTION REF PART DESCRIPTION FSE1O46FFIOOO 4 WAY TOOL POST ASSEMBLY 016 PSBIO4EPFIOIG ADJUSTMENT SCREW 01 PoBo 07 GPFIOW 002 6 T LEVER HUB 018 P5B1046PF1018 COMPOUND REST BASE SB1046PF 48PF 005 6 T WASHER O18 PSBIOS6FI018
61. BR S S e I DW W S DESCRIPTION SFLINED SHAFT EY 7 X 7 X 55 SHAFT SPACER OIL SEAL 255708 EDLE BEARING SCREW MO 1X 16 ED SHAFT SEAT olz gt m A OD SIS als 7 m A 7 ETAINING RING 25 AR 19T 19T ED SHAFT AFT COVER VER GASKET ALL BEARING 6005 OFEN PACER 20 50 PACER XT RETAINING RING 30MM PLINED SHAFT EAR 22T HAFT SPACER PLINED SHAFT GEARBOX CASTING SPACER GEAR 32T GEAR 23T GEAR 16T SPACER T RETAINING RING 47MM ALL BEARING 6204 OPEN SPACER SHAFT CLUTCH EXT RETAINING RING 20MM GEAR 357 35T PACER GEAR 22T GEAR 16T GEAR 20T SPACER GEAR 24T SPACER GEAR 23T SPACER GEAR 27T SPACER GEAR 24T SPACER GEAR 281 SPACER GEAR 26T GEAR 32T Q 3 Q m Q REF 552 555 554 555 556 557 256 559 560 561 562 565 564 565 566 567 368 569 570 571 572 575 574 575 576 577 576 580 581 562 585 584 565 526 567 388 389 390 591 592 595 594 595 596 597 596 599 400 401 402 PART 1046 2 5502 7 lt S S N 9 FOS55 FOS56 FOS57 FOS5 amp FOS59 FOS60 FOS61 FOS62 FOS63 FOS64 FOS65 FOS66 FOS67 FOS68 FOS69 3 I x N oo Ul WV 9 D Q 9 K e olo MIR S O Ul SNI d 9
62. C Induction 15 TID 440V 3 Phase Horsepower Voltage Phase Amps Speed Cycle gt 1720 60 Hz V Belt amp Gear Shielded amp Permanently Sealed Power Transfer Bearings Coolant Motor TEFC Induction HP 440V 3 Phase 0 23A 3450 RPM 60 Hz Direct Drive Shielded amp Permanently Sealed E Horsepower Voltage Phase Amps Speed Cycle Power Transfer Bearings Operation Information Swing Over Bed 18 11 in Distance Between Centers Swing Over Cross Slide 11 02 in Swing Over Saddle 18 in Swing Over Gap 27 95 in lin Compound Travel 5 39 in Maximum Tool Bit Size 14 South Bend Lathe Co For Machines Mfg Since 3 11 INTRODUCTION Turn Nado Gearhead Lathes Headstock Information Tailstock Information Threading Information Dimensions 105 08 in South Bend Lathe Co 15 Turn Nado Gearhead Lathes INTRODUCTION For Machines Mfg Since 3 11 Model Number SB1056F SB1057F SB1058F Construction Headstock Headstock Gears ed Stand Paint Other Country of Origin Warranty Serial Number Location Assembly Time Sound Rating at Idle 16 South Bend Lathe Co For Machines Mfg Since 3 11 d 1 E Turn Nado Gearhead Lathes 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 exper
63. CLUTCH ACTUATOR ROD SBIO56F 58F 556 557 558 75 338 P5B1056F1338 L PIN 2 X16 559 340 PCAPO2M CAF SCREW 6 1 20 128 South Bend Lathe Co For Machines Mfg Since 3 11 Turn Nado Gearhead Lathes Tailstock 406 409 410 H2 5 7 e F1421 F1422 1425 DESCRIPTION TAILSTOCK ASSEMBLY DWHEEL COMPRESSION SPRING STEEL BALL 1 4 G THRUST BEARING 5542 52 DUATED DIAL BASE 5 408 DIA LEADSCREW W NUT KEY 5 X5 X12 AN AN ET AN OM GKA A SCREW M6 1 X 20 SCREW 5 1 25 X 50 QUILL ALIGNMENT GUIDE TA BALL OILER 1 4 T OCK CASTING AILS1 QUILL LOCK LEVEK ASSEMBLY CA SCREW X10 CAP SCREW 8 1 25 X 70 TAILSTOCK LOCK LEVER ASSEMBLY 51 TAILSTOCK LOCK LEVER QUILL PART PN29M PWIEM PSBIOAGPF1426 PSS73M PSBIOAGPF1428 y S 919 OJO oo 9 PBHS16 PSB PSB PSB PSB PSB 5 S lt 421 432 455 454 n RN x N Q PLW 5 RU n N Q O P S FSB1O4GFF1459 PE PS X 5 Qi 3 Q K 3 T K SEN 3 D KR 3
64. Dreier RR Ee ERREUR 68 Quick Change Gearbox 69 NUI m 70 One Shot Oiler 71 Longitudinal Leadscrew 72 Ball es 72 End Gears 78 Coolant System Service 74 Hazards eie m inr EIE 74 Adding Fluid 75 Changing Coolant eese 75 Machine Storage a 76 SERVICE u aaa aaa 77 Backlash Adjustment 77 Compound 77 Cross 77 Leadscrew End Play Adjustment 78 Gib Adjustment 78 Half Nut Adjustment 80 bbs NEUTER ES 80 Spindle Clutch Adjustment 81 Leadscrew Shear Pin Replacement 84 Gap Insert Removal amp Installation 86 Gap Removal uuu i b re REESE 86 Gap Installation cessere 87 TROUBLESHOOTING 88 ELECTRICAL 91 Electrical Safety Instructions 91 Correcting Phase Polarity 92 Wiring Overv1ew 93 Component Location Index
65. E PEDAL SHAFT 5B1056F BRAKE PEDAL SHAFT SB1046FF 57F 201 CAP SCREW MO 1 X 16 ENTER PANEL SB1056F B HD CAP SCR M5 8 X 8 SHAFT CLUTCH COVER SB1O46PF 47PF CLUTCH COVER SB1056F 58F BRAKE LINKAGE GUARD BACKSPLASH MOUNT SB1ObGF 58F CAP SCREW 1 5 X 20 SET SCREW M HEX N LOCK WASHER 6 5 UT M4 7 CREW MO 25 X12 MM X12 FoPIOAGFF1220 PSBIO46PF1221 PBHCS38M SAFETY SWITCH BRACKET REF PART PSBIO56F1226 1046 226 5 5 p F1231 PSP1O4GFF1254 PSP1O5GF1235 PSB1046FF1235 DESCRIPTION BACKSPLASH 6 1056 CHUCK GUARD KNOB 1 2 15 CHUCK SAFETY GUARD HOSE 3 8 X 78 SBIO4GPF 57 PSBIO46PF PSBIO46PF PSBIOAGPF PSBIO46PF PBHS11M P5B1056F1238 PSP1O47FF1225 HOSE 3 8 X 96 9B1047PF 58F 256 NIPPLE 3 8 FT X 3 8 FH 257 COOLANT PUMP ASSEMBLY 258 COOLANT TANK 9B1046PF 48PF COOLANT TANK 5B1056F 58F COOLANT TANK COVER BUTTON HD CAP SCREW MO 1 X 10 259 P5B1056F1241 RIGHT SPLASH TRAY 9B1056F PSBIO4AGPFI241 SPLASH TRAY SB1046FF 57 PSB1047PF1241 RIGHT SPLASH TRAY SB1047PF 58F PSP1O4GFF1243 OK ACCESS COVER PSBIO4GPF1244 BACKSPLASH MOUNTING POST PSP1O46FF1247 CABINET G G PSB1046FF1242 FT SFLASH TKAY 0 LE M LEVE CHUCK GUARD WINDOW PLASTIC BUTTON
66. FSE4O46FFO12 BRAKE DRUM SHAFT o4 Feenoscrroio 54_ Pebioacrrowa 05 PSBIO46PFOIO5 CAMLOCK 55 PSBIO4GPFOI55 COMPRESSION SPRING oe 5 1 46 1 15 10 78 56 PSBIO4GPFOI56 BRAKE DRUM 07 2 5r ow PSBIO4GPFOIO08 FRONT BEARING COVER 58 1 CAP SCREW M8 1 25 X 25 o9 PSBIO46PFOIO9 INBOARD SPINDLE GASKET 59 PSBIO4GPFOI59 CENTRIFUGAL BRAKE CYLINDER 00 FSB104GFEOT a Pie HD PSE1046FFO112 62 PSBIO4GPFOIG2 RETAINER POBIOAOPFONS 55 P6022 OFEN 64 BRAKE ASSEMBLY COLLAR T RETANING RING 110MM 65 PSBIO4GPFOIG5 NEEDLE ROLLER BEARING NK22 20 EY 10 X 8X35 66 EAR 48T 67 FS PER BEARING 32021 68 PS PANNER NUT 69 5 RETAINING RING 50MM N a EN Q lt iN T E gt a 3 J N 9 T E x 04 P32 o Em gt S APR AQ Z DW BIO T 1 gt lt OL OIL Oo 79 gt X7X X 7X 50 T Q Z lt lt P 9 N Ti Q o O4 O4 20 PSBIO4GPFO120 70 PSBIO4 GEAR ASSEMBLY 31T 21 PSBIO46PFOI21 REAR BEARING COVER PSBI046PFO171 OUTBOARD COPPER
67. GFFO577 O46FFO576 OA46FFOD79 PSB1IO46PFOS80 PORGO45 PSBIOAGPFO5 amp 2 PSBIOAGPFOS8S PSBIOAGPFOD amp 4 PSBIOAGPFODES 26 76 FSP104GFFO566 PCAP3EM PSBIO4GPFOS90 FSBIOA46FFOB91 46FFO592 FSS91M PLNOSM PSBIOAGPFOS95 3 Q vy 3 lt o 9 9 D EA 3 9 ZS OQ Q lt PFO597 PFO596 PFO599 PFOGOO PFOGO1 PFOG02 6 6 D K 9 e W RY SR SB1O4 Q Aa a 9 Q W S S OJO NIEN AJO v SIS Wy OW oo DESCRIPTION SET SCREW 8 1 25 X amp COMPRESSION SPRING HALF NUT LEVER ASSEMBLY O RING G 25 SET SCREW MG 1 X 6 COMPRESSION SPRING WOODRUFF KEY 16 X 5MM CAM SHAFT SET SCREW 10 1 5 X 35 SET SCREW 10 1 5 X 10 APRON CASTING SET SCREW 10 1 5 X 16 COMPRESSION SPRING EEL BALL 3 8 CAP SCREW MG 1 X 12 HALF NUT GIB CAP SCREW MG 1 X 16 CAP SCREW MG 1 X 50 DOWEL PIN ALF NUT PLATE HALF NUT ASSEMBLY P SCREW MG 1 X 50 T SCREW MG 1 X 50 L 4 NPT APRON TOP PLATE OIL SEAL 30 X 40 X5 5 e gt 1 2 a G 44 4 X 3 1 G45 THRUST BEARING 3047 NTB AS2 GEARED PINION SHAFT 18T CASTING PLUG COLLAR CAP SCREW 1 X 12 4X16 BRACKET SHAFT P SCREW 5 5 X 25 SLOTTED DOWEL PIN CAPTIVE PIN EXTENSION SPRING SET SCREW 6 1 X 14 LOCK NUT 6 1 BRACKET EY 5X5 X45 WORM SHAFT WORM GEAR CLUTC CLUTCH GEAR 36T PIVOT ARM SPRING CUP COMPRESSION SPRING
68. GHT OTO K W K x 9 r 9 N SIS S O s Wy W 9 Oo 7 9 N r lt 5 Q w O 8 HUCK GUARD KNOB 1 2 13 EX NUT 1 2 13 3 o 2 lt 59 PS P LAT WASHER MM PS PS Ol South Bend Lathe 127 Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 Brake 1505 gt 1506 991207 8 24 1540 b 1528 1334 M 1550 PART DESCRIPTION REF PART DESCRIPTION 505 E CLIP 6MM 544 PSBIO4GPF1344 EXTENSION SPRING 305 046PF1305 345 5 ANCHOR FIN 5 X 20 306 046PF1305 PIN 6MM 346 SPINDLE LEVER BRAKE CONTROL ARM 307 046PF1307 SPACER CONTROL ARM RETAINING PLATE 505 rec LOCK NUT 125 309 046PF1309 HEX NUT M8 1 25 50 555 EL 356 EE 557 EE 56 57 SCREW MOX 20 318 360 55 a 520 520 524 524 525 1525 HEX BOLT 10 15 X 45 526 156 LOWEE CLUTCH ACTUATOR ROD SBIO46PF 48PF 327 327 368 LOWER CLUTCH ACTUATOR ROD SBIO5GF 58F 528 _ POBIO40PFIBeD 569 529 FsPto46rrr529 370 380_ POBIOsOPFIEGO 254 910467733 555 575 UPPER
69. LROOM SIZE LABEL SBIO46PF ENTANGLEMENT HAZARD LABEL o5 PSBI047PF2105 TOOLROOM SIZE LABEL SB1047PF 05 PSBIO48PF2105 TOOLROOM SIZE LABEL SBIO48PF LABEL SB1O56F L SBIO57F L SBIO58F P P 2112 CHUCK KEY LABEL BELOIH KEAD MANUAL LABEL HL 5815 SOUTH BEND NAMEFLATE 05 5 1056 2105 05 PSB1057F2105 TOOLROOM SIZE LAB 05 5 1058 2105 TOOLROOM SIZE LAB PSBIO4EPF2106G CARRIAGE LOCK LAB Q o 7 o lt T SB LIGHT BLUE TOUCH UP PAINT SB DARK BLUE TOUCH UP P SB GRAY TOUCH UP PAINT LO4HL LOSHL L 01 02 05 m 134 South Bend Lathe Co For Machines Mfg Since 3 11 RT 60 Turn Nado Gearhead Lathes Rear Machine Labels 440V 3 Ph 2119 REF DESCRIPTION REF PART DESCRIPTION 2105 PSBLABELO2ZHL DISCONNECT POWER LABEL HL 219 1048 219 440V 3 PHASE LABEL 215 PSBLABELI5L ELECTRICITY 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 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
70. N 4 Adjust the flow of coolant by using the valve lever near the base of the nozzle hose Important Promptly clean any splashed fluid from the floor to avoid a slipping hazard 64 OPERATION For Machines Mfg Since 3 11 Rod Support Models SB1047PF SB1048PF and SB1058F include a rod support that gives additional reinforcement to the leadscrew and feed rod see Figure 91 Figure 91 Rod support Ideally the best position along the bed for the rod support is mid way between the right end of the leadscrew and the farthest place toward the tailstock that the carriage will travel during the operation Use a 6mm hex wrench to loosen the cap screws that secure the clamp plate position the rod support where desired then re tighten the cap NOTICE To avoid lathe damage make sure the carriage will not crash into the rod support when using longitudinal power feed South Bend Lathe Co For Machines Mfg Since 3 11 EIJ ESSO R I T3 Turn Nado Gearhead Lathes Accessories This section includes the most common accessories available for your lathe which may be available through your local South Bend Lathe Co dealer If you do not have a dealer in your area please call us at 360 734 1540 or email us at cs southbendlathe com 6 1279 10 Pc Precision 5 Collet Set Set of 10 collets sized from 34 Same quality as the individual collets only packaged in one convenient set
71. O45 FOS46 FO646 FO649 DESCRIPTION 552 4 FRONT MOTOR BEARING 552 5 REAR MOTOR BEARING BELT 75 8P1056F 58F MOTOR FULLEY PULLEY FLAT WASHER 12 X 45 X 5 SCREW 10 1 5 X 25 X V BELT A79 SB1O46PF 46PF Y BUTTON HD CAF SCR 6 1 12 OSE COUFLER 1 NFT BOW 1 SE CLAM PSBIOAGPFO857 0 5 4 0 z SE CONNECTOR 1 X 75MM PSB1042PF1160 END COVER SAFETY SWITCH TM1307 PHLP HD SCR 4 7 X 40 South Bend Lathe Co 117 Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 Saddle 1 3 914 Gu 902 118 South Bend Lathe Co For Machines Mfg Since 3 11 23 RT 5 Turn Nado Gearhead Lathes Saddle 2 957 picem eem N 946 Viewed from beneath 955 954 South Bend Lathe Co 119 Turn Nado Gearhead Lathes JY RT 5 For Machines Mfg Since 3 11 Saddle Parts List REF PART DESCRIPTION REF PART DESCRIPTION 901 PSB1046PFO901 ADJUST SCREW 938 PSBIO4GPFO938 HANDWHEEL END CAP 959 FSP1046FE0959 on on 924 561040 944 940 FSEI026FE0946 947 FGP1046FEO947 cOUFLER PIO46PFO910 948 PSBIO46PFO948 ALUMINUM OIL TUBE 4 X 258MM BIO4GPFO912 CROSS SLIDE LEADSCREW 950 952_ 25810467095 COUPLER 16 GWM PSBIOAEPFOOIS_ COOLANTSTAND PIPE
72. SCREW M8 1 25 X 12 509 6 SET SC 5 9502 130 South Bend Lathe Co For Machines Mfg Since 3 11 Turn Nado Gearhead Lathes Steady Rest Follow Rest 1701 1700 REF PART DESCRIPTION 700 PSBIO4GPFI700_ STEADY REST ASSEMBLY SBIO46PF 48PF 700 STEADY REST ASSEMBLY SBIOSGF 58F REF PART DESCRIPTION 701 FINGER ADJUSTMENT KNOB ASSY 800 PSBIO4GPFIEOO FOLLOW REST ASSEMBLY SBIO46PF 48PF 702 FINGER ASSEMBLY 800 6100 FOLLOW REST ASSEMBLY SBIOSGF 58F 705 SET SCREW 8 1 25 X E 704 CLAMP SCREW KNOB BUR 705 706 804 706 804 FOLLOW REST CASTING 8B1056F 58F 707 905 1 46 17 amp DOG FT LEAF SCREW M8 1 25 X 25 709 FSBIOAeFFITOS PSBIO4GPFI7IO NUT M18 2 25 m LOCK WASHER 18MM 72 FSP1O46FF1 2 STUD FT M18 2 25 X 75 75 PSBIO4GPFI7IS South Bend Lathe Co 131 Turn Nado Gearhead Lathes JY RU 5 For Machines Mfg Since 3 11 Electrical Cabinet amp Control Panel Electrical Cabinet
73. T7 RANGE SELECTION LEVER 55 8 9M KEY5X5X14 56 OLL PIN 4 X 16 9 PSB1046PF0019 SFPEED SLECTOR SHAFT 57 LANGE BUSHING 20 KEY 5X5 X14 5e P5B1046PF0058 LEvE 21 CAP SCREW 8 1 25 X 55 59 PSBIO46PFOOS9 PIVOT 22 PSB1046FFOO22 LEVER HOUSING 60 FSBIO46PFOOGO LEVER ROLLER 25 Jee 7 7 18 61 7 SCREW M5 8 X10 24 PSBIO4GPFOO24 62 ER LEVER SLEEVE 25 5 046 025 SELECTOR SLEEVE 63 EVER SHAFT 26 PRI2M EXT RETAINING RING 35MM 64 PSBIOAGPFOOG4 SHIFT FORK 27 55 28 __ 58 046 0028 5 29 67 so PSBI040 F00B0 55 5 ___ 581046 0 52 70 55 7 55 75 50 __ 5610467 05 74 57 1046 0057 m ESEt046F 58 SB FOO38 76 PNOIM EX NUT M6 59 CAP SCREW MG 1 X 30 77 1046 77 102 South Bend Lathe Co Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 Headstock Gears 1 103 e South Bend Lathe Co For Machines Mfg Since 3 11 Turn Nado Gearhead Lathes Headstock Gears 2 e South Bend Lathe Co 104 For Machines Mfg Since 3 11 Turn Nado Gearhead Lathes Headstock Gears Parts List REF PART DESCRIFTION REF FART DESCRIFTION Ot FSEIO46PFOIOI STUD 51 F OOe OPEN BALL BEARING 6008 OFEN oz 04 2 SFINDLE BOLT oz 04 2 o5 5 1 46 1 5 SPINDLE 55
74. TURN NADO GEARHEAD LATHE w DRO MODEL SB1046PF 21 X 60 MODEL SB1056F 18 X 40 MODEL SB1047PF 21 X 80 MODEL SB1057F 18 X 60 MODEL SB1048PF 21 X 120 MODEL SB1058F 18 X 80 South Bend Lat the Go MODEL S OWNER S MANUAL South Bend Lathe Co Hundreds of Thousands of Lathes Sold With a hadition of Quality Since 1906 August 2011 by South Bend Lathe Co For Machines Mfg Since 3 11 Scope of Manual This manual helps the reader understand the machine how to prepare it for operation how to control it during operation and how to keep it in good working condition We assume the reader has a basic understanding of how to operate this type of machine but that the reader is not familiar with the controls and adjustments of this specific model As with all machinery of this nature learning the nuances of operation is a process that happens through training and experience If you are not an experienced operator of this type of machinery read through this entire manual then learn more from an experienced operator schooling or 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 d
75. Tailstock Handwheel Figure 40 Tailstock and quill lock levers in locked position Graduated Dial 0 001 One Full Revolution 0 100 Increments on Quill 0 6 in Increments Metric 0 160mm in 1mm Increments Positioning Tailstock 1 Pullthe tailstock lock lever backward away from the spindle to unlock the tailstock from the bedway 2 Slide the tailstock to the desired position 3 Push the tailstock lock lever forward toward the spindle to lock the tailstock against the bedway Using Ouill 1 Move the quill lock lever toward the spindle to unlock the quill 2 Turn the tailstock handwheel clockwise to move the quill toward the spindle or counterclockwise to move it away from it 3 Move the lock lever away from the spindle to secure the quill in place South Bend Lathe Co For Machines Mfg Since 3 11 Installing Tooling This tailstock uses a quill with an 5 taper that has a lock slot in the back of the bore that accepts tang arbors and drill bits see Figures 41 42 for examples Figure 41 Types of tapered arbors and tooling Figure 42 Example photos of inserting MT 5 tools with tangs into the tailstock South Bend Lathe Co OPERATION Turn Nado Gearhead Lathes However other tooling without tangs such as the four remaining tools shown in Figure
76. Therefore to keep the reservoir clean drain and flush it at least once a year Place a catch pan under the apron drain plug shown in Figure 102 loosen the fill plug then use a 6mm hex wrench to remove the drain plug and empty the reservoir Figure 102 Location of apron drain plug Flush the reservoir by pouring a small amount of clean oil into the fill hole and allowing it to drain out the bottom Replace the drain plug and add oil as previously described South Bend Lathe Co For Machines Mfg Since 3 11 11 I N h i 3 N Turn Nado Gearhead Lathes One Shot Oiler The one shot oiler shown in Figure 103 lubricates the saddle ways with oil from the apron reservoir use the one shot oiler pull the pump knob out for two or three seconds and then push it in The pump draws oil from the apron reservoir and then forces it through drilled passages to the way guides Repeat this process while moving the carriage and cross slide through their full range of movement to distribute oil along the ways Lubricate the guides before and after operating the lathe If the lathe is in a moist or dirty environment increase the lubrication interval South Bend Lathe Co Check the apron oil level through the sight glass before using the one shot oiler to ensure the proper oil level Figure 103 Location of one shot oiler on the apron 71 Turn Nado Gearhead Lathes Al I N i I
77. Tools Tools used to adjust spindles chucks or any moving rotating parts will become dangerous projectiles if left in place when the machine is started Reduce this risk by developing the habit of always removing these tools immediately after using them Work Area Clutter and dark shadows increase the risks of accidental injury Only operate this item in a clean non glaring and well lighted work area Properly Functioning Equipment Poorly maintained damaged or malfunctioning equipment has higher risks of causing serious personal injury compared to those that are properly maintained To reduce this risk always maintain this item to the highest standards and promptly repair service a damaged or malfunctioning component Always follow the maintenance instructions included in this documentation Unattended Operation Electrically powered equipment that is left unattended while running cannot be controlled 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 unfa
78. adjustable clutch that disables automatic carriage feed when it contacts the included feed stop or in the event of a crash These lathes feature a spindle clutch that allows the operator to switch between forward and reverse without shutting down the motor a great time saver To further ensure a high degree of accuracy these lathes are equipped with high quality German spindle bearings and a Fagor 2 Axis DRO The spindles are D1 8 camlock with an MT 7 taper and 3 15 bore The tailstocks have an 5 taper and 6 5 of quill travel South Bend Lathe Co 3 Turn Nado Gearhead Lathes INTRODUCTION For Machines Mfg Since 3 11 General Identification 18 X80 TOOLROOM LATHE Figure 1 General identification Model SB1058F shown A Quick Change Gearbox Controls Tailstock w MT 5 Quill B Headstock Controls L Rod Support SB1047PF 48PF 58F only C D1 8 Camlock MT 7 Spindle M Leadscrew D Chuck Guard w Safety Switch N Feed Rod E Follow Rest O Spindle Rod 4 Way Tool Post P Chip Drawer G Halogen Work Lamp Safety Foot Brake H Steady Rest R Carriage I Coolant Nozzle amp Valve S Micrometer Stop J Fagor DRO Control Panel T Headstock Spindle 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 ope
79. ash to less than 0 002 is impractical and can lead to accelerated wear of the wedge nut and leadscrew Avoid the temptation to overtighten the backlash set screw while adjusting Compound Rest Tools Needed Hex Wrench 3mm 1 The compound rest backlash is adjusted by tightening the set screws shown in Figure 111 When these screws are adjusted against the leadscrew nut they offset part of the nut to remove play between the nut and leadscrew Set Screws Figure 111 Compound rest backlash adjustment set screws To adjust the backlash rock the handwheel back and forth and tighten the screws slowly until the backlash is approximately 0 002 0 003 as indicated on the graduated dial If you end up adjusting the nut too tight loosen the set screws tap the compound rest a few times with a rubber or wooden mallet and turn the handwheel slowly back and forth until it moves freely then try again South Bend Lathe Co Cross Slide Tools Needed Qty Hex Wrench 3mm 1 Hex Wrench 5mm 1 The cross slide backlash is adjusted by loosening all four cap screws shown in Figure 112 then tightening the center set screw This will push down on a wedge and force the leadscrew nut apart taking up lash between the nut and leadscrew Figure 112 Cross s
80. at the coolant flows from the nozzle then close the valve and turn the pump OFF Congratulations The test run is complete Perform the following Spindle Break In procedure Spindle Before subjecting the lathe to full loads it is essential to complete the spindle break in process as described below This will ensure the best results and maximum life of the precision components inside the lathe The break in procedure must be performed in succession with the Test Run procedure described in this manual because many of the test run steps prepare the lathe controls for the break in process Important Do not perform the break in procedure independently from the Test Run section serious damage could occur to the lathe if the controls are set differently than instructed in that section NOTICE Do not leave the lathe unattended during the Spindle Break In procedure If your attention is needed elsewhere during this procedure stop the lathe and restart the procedure later from the beginning To perform the spindle break in 1 Successfully complete the Test Run procedure beginning on Page 32 2 Using the spindle speed levers to set the spindle speed run the lathe for ten minutes at each of the following speeds 50 150 500 and 1600 RPM Note If necessary refer to Setting Spindle Speed on Page 54 for detailed instructions South Bend Lathe Co PREPARATION Turn Nado Gearhead Lathes
81. athe Co For Machines Mfg Since 3 11 3 RV 3E Turn Nado Gearhead Lathes 8 Loosen the appropriate adjustment ring one notch then remove your hand from inside the headstock Have an assistant try to engage the troublesome lever position while you manually rotate the input pulley on the headstock DO NOT rotate the pulley while your hands are inside the headstock Tip When rotating the adjustment ring hold the adjustment ring stationary and rotate the input pulley to make the adjustment Continue loosening and testing until the lever engages the troublesome position When you are satisfied with the loosened setting slide the adjustment ring towards its clutch assembly to lock it in position see Figure 126 Skip to Step 10 Adjustment Ring Ring Engaged Slid over teeth Figure 126 Engaging adjustment ring reverse side shown South Bend Lathe Co 9 Tighten the adjustment ring one notch then slide the adjustment ring towards its clutch assembly to lock it in position Tip When rotating the adjustment ring hold the adjustment ring stationary and rotate the input pulley to make the adjustment NOTICE Do not attempt to over tighten the clutch to reduce spin up time 3 4 seconds is the normal time required for the spindle to reach full speed Overtightening the clutch may result in damage and improper lathe function 10 Replace the clutch access cover pivot the electrical ca
82. binet back into position and secure it with the fasteners removed in Step 3 If you removed the chuck guard safety switch or work lamp replace them 11 Re connect the lathe to power then check the function of the lathe Test on the highest speed setting allowed for the chuck being used Use a 3 jaw chuck with no workpiece mounted The spindle should take no more than 3 4 seconds to reach full speed Repeat the clutch adjustment procedure as needed 83 Turn Nado Gearhead Lathes 3 T For Machines Mfg Since 3 11 Leadscrew Shear Pin Replacement The leadscrew is secured to a connecting collar that is part of the headstock drivetrain with the use of a soft metal shear pin The shear pin is designed to break and disengage the power transfer to the leadscrew to help protect more expensive lathe components in the case of a carriage crash or the lathe is overloaded Contact South Bend to order a replacement shear pin Part Number PSB10160927 or use the specifications in Figure 127 to fabricate your own 10 54mm NOTE Shear Pin Material S45C SAE 1045 O 2mm 2mm Figure 127 Shear pin specifications Tools Needed Blow Gun w Compressed Air Light Machine Oill As needed 84 To replace the shear pin 1 DISCONNECT LATHE FROM POWER 2 Clean debris and grime from the shear pin area see Figure
83. ce 3 11 3 i R iC Al L Turn Nado Gearhead Lathes Electrical Cabinet To Chuck Guard Safety Switch Page 99 To Work Lamp Page 99 L1 6 L1 3 12513 L Ga a2 3 LORG il L4 Contactor Allen Bradley C23 400 1 113 7125 L3 7 L4 Contactor Allen Bradley cog 400 2 Tt 4 T2 6173 8 T4 2 T 4 T2 613 8 T4 25 ONE 23 x al gt eai 97 NO 98 95 NC 96 97 NO 98 95 NC 96 2T1 4 2 6 0 220 380 400 415 440 Transformer 1 5 5 Suenn Liang 9 5 5 10140 2 4 0 24 0 220 eoe er Spindle Motor Coolant End Gear Control S Page 97 Pump Motor Cover Safety Panel R Page 97 Switch Page 98 Page 99 Power Supply Connection Page 99 9
84. ced mental alertness increases the risk of accidental injury Do not let a temporary influence or distraction lead to a permanent disability Never operate when under the influence of drugs alcohol when tired or otherwise distracted Safe Environment Operating electrically powered equipment in a wet environment may result in electrocution operating near highly flammable materials may result in a fire or explosion Only operate this item in a dry location that is free from flammable materials Electrical Connection With electically powered equipment improper connections to the power source may result in electrocution or fire Always adhere to all electrical requirements and applicable codes when connecting to the power source Have all work inspected by a qualified electrician to minimize risk Disconnect Power Adjusting or servicing electrically powered equipment while it is connected to the power source greatly 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
85. ch LCR3Z to position the threading controls as follows L Move the gearbox range lever to the low position C Point the left gearbox lever to the C Point the middle gearbox lever to the R 3 Position the bottom gearbox lever in the 3 slot Z Point the right gearbox lever to Z The lathe is now setup to cut a 2 5mm thread Figure 78 Carriage controls pitch Feed ON OFF Half Nut Lever Apron Controls Lever and Half Nut The half nut lever engages the apron with the leadscrew which moves the carriage and Disengaged cutting tool along the length of the workpiece for threading operations see Figures 78 79 lt is in the disengaged middle position before Engaged Engaged attempting to engage the half nut Important Make sure the feed control lever Figure 79 Feed ON OFF lever and half nut positions NO TICE for threading Attempting to engage the half nut while the cross slide or carriage is engaged with the feed rod could cause severe damage to the lathe Never attempt to engage the half nut while the feed control lever is engaged 60 South Bend Lathe Co For Machines Mfg Since 3 11 Thread Dial The numbers on the thread dial are used with the thread dial chart to show when to engage the half nut during inch threading The thread dial gear must be engaged with the leadscrew for this to work Loosen the knurled knob on the thread dial pivot the dial gear towar
86. cheater pipe may be used as a last resort to add leverage when loosening After loosening you may need to wiggle the chuck key in the camlock to fully disengage the stud 4 Using dead blow hammer or other soft mallet lightly tap around the outer circumference of the chuck body to loosen it from the spindle 5 Remove the 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 39 Turn Nado Gearhead Lathes Scroll Chuck Clamping This scroll type chuck has an internal scroll gear that moves all jaws in unison when adjusted with the chuck key This chuck will hold cylindrical parts on center with the axis of spindle rotation and can be rotated at high speeds if the workpiece is properly clamped and balanced Never mix jaw types or positions to accommodate an odd shaped workpiece The chuck will spin out of balance and may throw the workpiece Instead use an independent jaw chuck or a faceplate Insufficient Jaw Clamping Safer Inside Jaw Use Bar Stock Unstable Workpiece Unsafe Jaw Fosition and Foor Scroll Gear Engagement Foor Grip Safer Outside Jaw Use Shallow Bar Stock Unstable Workpiece i Unsafe Inside Safer Outside Janise Jaw Use Shallow Bar Stock
87. ction Loosen Forward Adjustment Ring as CAUTION Clutch components get hot during operation To avoid burn injuries wear heavy leather gloves or allow components to cool before service Use a metal scribe or permanent marker to mark the position of the adjustment ring relative to its clutch assembly then use a small screwdriver to pry and slide the necessary adjustment ring away from its corresponding clutch to unlock it see Figure 125 engage FORWARD Loosen Reverse Adjustment Ring as needed Spindle lever will not engage REVERSE Chuck takes more than 3 4 seconds to reach full speed in FORWARD Chuck takes more than 3 4 seconds to reach full speed in REVERSE Tighten Forward Adjustment Ring one notch Tighten Reverse Adjustment Ring one notch Exposed Beneath Figure 124 Clutch adjustment overview AWARNING DO NOT rotate the spindle or input pulley while any body part is inside the headstock Doing so may cause entanglement and serious crushing injuries Figure 125 Disengaging adjustment ring reverse side shown If you have difficulty disengaging the ring make sure the spindle lever is in the middle neutral position When the ring is fully disengaged it will spin freely If you are loosening the adjustment ring continue to Step 8 If you are tightening the adjustment ring skip to Step 9 82 South Bend L
88. cure the settings 49 Turn Nado Gearhead Lathes Follow Rest The follow rest mounts to the saddle with two cap screws see Figure 57 It is used on long slender parts to prevent workpiece deflection from the pressure of the cutting tool during operation Adjust the follow rest fingers in the same manner as the those on the steady rest Note To reduce the effects of friction lubricate the brass finger tips with generous lubricant during operation OPERATION Figure 57 Follow rest attachment Carriage amp Compound Rest Locks The carriage and compound rest have locks that can be tightened to provide additional rigidity during operation especially during heavy cuts See Figure 58 to identify the locations of the locks for each device Figure 58 Compound rest and carriage locks 50 South Bend Lathe Co For Machines Mfg Since 3 11 Compound Rest The compound rest handwheel has an indirect read graduated scale This means that the distance shown on the scale represents the actual distance the cutting tool moves The base of the compound rest has another graduated scale used for setting the cutting tool to a specific angle Graduated Dial Increments 0 001 0 02mm One Full Revolution 0 100 2 54mm Tool Needed Oty Wrench etre eerie Reese ye 1 To set the compound rest at a certain angle
89. d Center in Spindle 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean and dry the tapered mating surfaces of the spindle bore adapter sleeve and the center making sure that no lint or oil remains on the tapers Note This will prevent the tapered surfaces from seizing due to operational pressures which could make it very difficult to remove the center 3 Mount chuck or faceplate onto the spindle whichever is correct for your operation 4 Insert the center into the sleeve then insert the sleeve into the spindle bore through the chuck or faceplate Figure 51 shows an example photo of a dead center installed in the spindle using a lathe dog and faceplate for turning between centers Figure 51 Example photo of using a dead center with a faceplate and lathe dog South Bend Lathe Co OPERATION Turn Nado Gearhead Lathes Removing Center from Spindle To remove the sleeve and center from the spindle insert a piece of round bar stock or similar tool through the outboard end on the left side of the headstock Have another person hold onto the sleeve and center with a gloved hand or shop rag then tap the sleeve loose NOTICE To avoid premature wear of the dead center or damage to the workpiece use low spindle speeds and keep the tip of the dead center mounted in the tailstock well lubricated Mounting Center in Tailstock Either a carbide tipped dead center or live center can be
90. d the leadscrew so that it properly meshes with the leadscrew threads then re tighten the knob as shown Figure 80 Leadscrew SSS Knurled Knob ab usd Figure 80 Thread dial engaged with the leadscrew 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 South Bend Lathe Co OPERATION Turn Nado Gearhead Lathes 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 81 then reference the dial number to the right of it The dial numbers indicate when to engage the half nut for a specific thread pitch The thread dial chart can also be found on the front of the thread dial housing 4 8 12 16 20 24 Any Position 28 32 36 40 44 10 10 14 Non Numbered Position Numbered 1121335 Position 19 23 27 1 2 3 4 22 32 42 72 1 12 1312 Position 2V4 23A 34 334 1 Only 2 Same as Metric Threads Figure 81 Thread dial chart Note The thread dial is not used for metric threading or diametral and modular pitches With these you must leave the half nut engaged until the turning is complete The following examples explain how to use the thread dial chart for inch threads TPI Divisible By 4 For threading a TPI that is divisible by four use any l
91. ded for a sufficient length of time damage overheating or fire may result especially if connected to an undersized circuit To reduce the risk of these hazards avoid overloading the machine during operation and make sure it is connected to a power supply circuit that meets the requirements in the following section Circuit Requirements This machine is prewired to operate on a 440V power supply circuit that has a verified ground and meets the following requirements Nominal Voltasge 440V 480V CYCLE 60 Hz PUN ASG 3 Phase Circult 30 Amps Connection Hardwire with Locking Switch A power supply circuit includes all electrical equipment between the main breaker box or fuse panel in your building and the incoming power connections inside the machine This circuit must be safely sized to handle the full load current that may be drawn from the machine for an extended period of time If this machine is Note The circuit requirements in this manual are for a dedicated circuit where only one machine will be running at a time If this machine will be connected to a shared circuit where multiple machines will be running at the same time consult a qualified electrician to ensure the circuit is properly sized South Bend Lathe Co For Machines Mfg Since 3 11 Grounding Requirements This machine must be grounded In the event of
92. del SB1271 Taper Attachment 65 Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 Maintenance Schedule AWARNING Always disconnect power to the machine before performing maintenance Failure to do this may result in electrocution or accidental startup injury For optimum performance from this machine this maintenance schedule must be strictly followed We strongly recommend all operators make a habit of following the daily maintenance procedures Use the chart provided on Page 67 to ensure this is done Ongoing The condition of machine components should be carefully observed at all times to minimize the risk of injury or machine damage If any of the conditions below are observed stop the lathe immediately disconnect power and correct the condition before resuming operations Loose mounting bolts or fasteners Worn frayed cracked or damaged wires Guards removed STOP button not working correctly or not requiring you to reset it before starting the machine again A reduction in braking speed or efficiency Oil level not visible in the sight glasses Coolant not flowing out Damaged or malfunctioning components Daily Before Operations Check add headstock oil Page 68 Check add gearbox oil Page 69 Check add apron oil Page 70 Check add coolant Page 74 Lubricate the ways Page 71 Add oil to the ball oilers Page 72 Clean lubricate the leadscrew Page 72 Disengage the
93. e Push the rubber or plastic tip of the oil can nozzle against the ball oiler to create a hydraulic seal then pump the oil can once or twice If you see sludge and contaminants coming out of the lubrication area keep pumping the oil can until the oil runs clear When finished wipe away any excess oil Refer to Figures 104 106 to identify the locations of each oil device 79 Figure 104 Carriage ball oilers Ouill Leadscrew Ouill Barrel amp Nut B Leadscrew amp Feed Rod E nd Bearings Figure 106 Leadscrew end bearing South Bend Lathe Co For Machines Mfg Since 3 11 11 I N h 3 N A N 4 3 Turn Nado Gearhead Lathes End Gears Grease NLGI 2 Frequency Annually or When Changing The end gears shown in Figure 107 should always have a thin coat of heavy grease to minimize corrosion noise and wear Wipe away excess grease that could be thrown onto the V belts and reduce optimal power transmission from the motor Figure 107 End gears Handling amp Care Make sure to clean and lubricate any gears you install or change Be very careful during handling and storage the grease coating on the gears will easily pickup dirt or debris which can then spread to the other gears and increase the rate of wear Make sure the end gear cover remains install
94. e you now join the ranks of some very famous and important customers such as Henry Ford who used the machines he purchased to help him change the world Capabilities These Turn Nado Gearhead Lathes are built for daily use in a busy industrial setting Loaded with many nice features and high precision parts these lathes excel at making fine tools dies thread gauges jigs and precision test gauges however they are by no means delicate Thick castings heavy weight and quality construction throughout provide the necessary brawn for demanding production and manufacturing tasks Features These 16 Speed Gearhead Lathes are packed with standard features and equipment such as a complete coolant system easy to clean chip drawer one shot way lubrication system included steady and follow rests chuck guard adjustable work lamp foot brake powered cross feed 3 and 4 jaw chucks faceplate and premium Allen Bradley contactors thermal relays and fuse system Spindle speeds are controlled by convenient headstock levers which allow the operator to quickly set the spindle speed within the available range of 20 1600 RPM The beds of these lathes are constructed with Meehanite castings that are hardened and precision ground in the traditional three V way prismatic design long used on South Bend Lathes for its accuracy durability and rigidity The headstocks feature quick change gear levers and the carriages include an
95. e length of the bedway Familiarize yourself with the steady rest components shown in Figure 55 to better understand its operation Finger Adjustment YY Leaf Screw s SI Hex Nut Figure 55 Steady rest components Finger Roller To install and use the steady rest 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean all mating surfaces then place the steady rest base on the bedways so the triangular notch fits over the bedway prism 3 Position the steady rest where required to properly support the workpiece then tighten the hex nut shown in Figure 55 to secure it in place South Bend Lathe Co OPERATION Turn Nado Gearhead Lathes 4 Loosen the clamp knob that secures the two halves of the steady rest and open the top portion as shown in Figure 56 Figure 56 Workpiece mounted in the steady rest 5 Loosen the three leaf screws so the finger roller positions can be adjusted 6 Use the finger adjustment knobs to position the bottom two finger rollers against the workpiece as shown in the example of Figure 56 7 Close the steady rest then use the finger adjustment knobs to adjust all three finger rollers so that they just touch the workpiece without causing deflection Note The finger rollers should properly support the workpiece along the spindle centerline while still allowing it to freely rotate 8 Tighten the three leaf screws to se
96. e too tight Loosen gib screw s slightly see Page 78 Gears or shear pin broken Replace gears or shear pin see Page 84 Gear change levers Gears not aligned inside headstock Rotate spindle by hand with light pressure on the will not shift into lever until gear falls into place position Spindle clutch Spindle clutch mechanism is too Adjust spindle clutch see Page 81 takes more than loose 3 4 seconds to engage Difficulty engaging 1 When new Spindle clutch needs 1 Use moderate pressure to engage spindle lever until spindle lever break in time it is broken in 2 Spindle clutch is too tight 2 Adjust spindle clutch see Page 81 90 South Bend Lathe Co For Machines Mfg Since 3 11 3 i R x Turn Nado Gearhead Lathes 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 Fo
97. e top heavy Take extra care to keep the load balanced vertically and only lift it far enough to remove the shipping pallet 8 Raise the lathe a couple of inches and check the balance of the load Ifthe load is not safely balanced immediately lower the lathe and resolve the issue before attempting to lift it again 9 Raise the lathe enough to clear the shipping pallet carefully remove the pallet then lower the lathe into position 28 For Machines Mfg Since 3 11 Leveling amp Mounting You must level your machine and either use the included foot pads and leveling hardware or bolt and shim your lathe to the floor Because mounting your lathe to the floor with permanent hardware is an optional step and floor materials may vary floor mounting hardware is not included Leveling NOTICE For accurate turning results and to prevent warping the cast iron bed and ways the lathe bedways MUST be leveled from side to side and from front to back on both ends Re check the bedways 24 hours after installation two weeks after that and then annually to make sure they remain level Leveling machinery helps precision components such as bedways remain straight and flat during the lifespan of the machine Components on a machine that is not level may slowly twist due to the dynamic loads placed on the machine during operation For best results use a precision level that is at least 12 long and sensiti
98. eck the adjustment Repeat as necessary until the center of the workpiece face is smooth 51 Turn Nado Gearhead Lathes Tools Needed Oty Tool Post T Wrench 1 Steel Shims As Needed Cutting Penis 1 Eme enge eis 1 Taulstock Center ertet 1 To align the cutting tool with the tailstock center 1 Mount the cutting tool in the tool post then secure the post so the tool faces the tailstock 2 Install a center in the tailstock and position the center tip near the cutting tool tip 3 Lock the tailstock and quill in place 4 Adjust the height of the cutting tool so that the tool tip is aligned vertically and horizontally with the center tip as shown in Figure 62 Tailetock Center Tailetock Center Side View OPERATION For Machines Mfg Since 3 11 Micrometer Stop The micrometer stop is used to limit carriage travel for production runs or make final adjustments to the carriage position If power feed is being used and the carriage clutch is correctly adjusted the carriage will disengage from the feed rod when it contacts the micrometer stop and movement will stop Refer to Carriage Feed Clutch Knob on Page 56 for detailed instructions on adjusting the carriage clutch NOTICE The micrometer stop is not designed to stop carriage
99. ed whenever possible to keep the gears free of dust or debris from the outside environment South Bend Lathe Co Lubricating 1 2 DISCONNECT LATHE FROM POWER Remove the end gear cover and all the end gears shown in Figure 107 Clean the end gears thoroughly with mineral spirits to remove the old grease Use a small brush if necessary to clean between the teeth Clean the shafts and wipe away any grease splatters in the vicinity and on the inside of the end gear cover Using a clean brush apply a thin layer of grease on the gears Make sure to get grease between the gear teeth but do not fill the teeth valleys Install the end gears and mesh them together with an approximate 0 002 backlash Once the gears are meshed together apply a small dab of grease between them where they mesh together this grease will be distributed when the gears rotate and re coat any areas scraped off during installation Re install the end gear cover before re connecting the lathe to power 73 Turn Nado Gearhead Lathes ry I N I N ry N E For Machines Mfg Since 3 11 Coolant System Service The coolant system consists of a fluid tank pump and flexible nozzle The pump pulls fluid from the tank and sends it to the valve which controls the flow of coolant to the nozzle As the fluid leaves the work area it drains back into the tank through the chip drawer and catch tray where the swarf is screened
100. ed surfaces Lubricate the machine as outlined in the lubrication section Be sure to use an oil can to purge all ball oilers and oil passages with fresh oil Loosen or remove the V belts so they do not become stretched during the storage period Be sure to place a maintenance note near the power button as a reminder that the belts have been loosened or removed Place a few moisture absorbing desiccant packs inside of the electrical box Cover the lathe and place it in a dry area that is out of direct sunlight and away from hazardous fumes paint solvents or gas Fumes and sunlight can bleach or discolor paint and make the chuck guard cloudy Every few months rotate by hand all gear driven components a few times in several gear selections This will keep the bearings bushings gears and shafts well lubricated and protected from corrosion especially during the winter months Slide the carriage micrometer stop tailstock and steady rest down the lathe bed to make sure that way spotting is not beginning to occur South Bend Lathe Co For Machines Mfg Since 3 11 Turn Nado Gearhead Lathes Backlash Adjustment Backlash is the amount of free play felt while changing rotation directions with the handwheel This can be adjusted on the compound rest and cross slide leadscrews Before beginning any adjustment make sure that all associated components have been cleaned and lubricated NOTICE Reducing backl
101. efer to Coolant System Service on Page 74 30 PREPARATION For Machines Mfg Since 3 11 Power Connection After you have completed all previous setup instructions and circuit requirements the machine is ready to be connected to the power supply Due to the complexity required for planning bending and installing the conduit necessary for a code compliant hardwire setup an electrician or qualified service personnel MUST perform this type of installation Hardwire setups typically require power supply wires to be enclosed inside of a solid or flexible conduit which is securely mounted at both ends with the appropriate conduit fittings All work must adhere to the required electrical codes The hardwire setup must include a locking disconnect switch see Figure 21 between the power source and the machine This switch serves as the means to completely disconnect the machine from power to prevent electrocution from accidental startup during adjustments maintenance or service to the machine Locking Power Source Disconnect Switch Machine Conduit Conduit Figure 21 Typical hardwire setup with a locking disconnect switch South Bend Lathe Co For Machines Mfg Since 3 11 AWARNING Disconnect power supply Electrocution could occur if you attempt this procedure with the power wires connected to the power source The incoming power wires must be disconnected from power befo
102. either component will move Note When using this control you may need to rock the handwheel of the component being engaged so that the apron gears will mesh Apron Feed Direction Knob Changes power feed direction see Figure 70 When pushed in or pulled out this knob quickly reverses the power feed direction while the spindle is rotating without having to turn the lathe off and use the feed direction lever on the NOTICE Depending on the combined configuration of the feed direction lever on the headstock and the feed direction knob on the apron the actual direction of power feed may be different from the printed indicators on the machine 56 Carriage Feed Y 9 Figure 71 Adjustable carriage feed clutch knob The carriage clutch serves two purposes 1 It disengages the carriage feed when the carriage contacts a feed stop providing a precise repeatable stopping point and 2 it provides a safety factor in the event of an accidental overload or crash The correct carriage clutch setting will depend on variables of the operation such as workpiece material depth of cut power feed rate and others Finding this clutch setting is a matter of trial and error and experience For a starting point of clutch adjustment rotate the carriage feed clutch knob clockwise until it is tight then back it off counterclockwise three full revolutions This is a reasonably conservative
103. ence table shown in Figure 90 can help you select the appropriate fluid Refer to Coolant System Service on Page 74 for detailed instructions on how to add or change fluid Check the coolant regularly and promptly change it when it becomes overly dirty or rancid or as recommended by the fluid manufacturer Synthetic Sulferized Mineral Coolants oil oll General Note Coolants are used for heavy duty lathe operations and production turning Oil water emulsions and synthetic cutting fluids are the most common for typical lathe operations Sulferized oils often are used for threading For small projects spot lubrications can be done with an oil can or brush or omitted completely Figure 90 Coolant selection table South Bend Lathe Co 63 Turn Nado Gearhead Lathes AWARNING BIOLOGICAL amp POISON HAZARD Use the correct personal protection equipment when handling coolant Follow federal state and fluid manufacturer requirements for proper disposal NOTICE Running the pump without adequate fluid in the coolant tank may permanently damage it which will not be covered under warranty To use the coolant system on your lathe 1 Make sure the coolant tank is properly serviced and filled with the appropriate fluid and that you are wearing the necessary personal protection equipment 2 Position the coolant nozzle for your operation 3 Usethe coolant pump switch on the control panel to turn the pump O
104. engaged feed ON OFF lever South Bend Lathe Co PREPARATION Turn Nado Gearhead Lathes 5 Position hardwood blocking under each end of the bed as shown in Figure 14 This will keep the lifting straps away from the leadscrew feed rod and spindle rod to prevent bending them during lifting Note Fasten a center support between the hardwood blocking to that they will stay spread apart and in place when lifting see the example in Figure 15 Loooking at Lifting Setup from Tailetock End To Fower Lifting Equipment Leadscrew Feed Rod Rod p Hardwood Blocke and Flanke Fositioned Required to Frevent Lifting Straps from Bending Leadscrew VE Figure 14 Lifting setup to keep straps from bending leadscrew or rods Center Support Hardwood Blocking Figure 15 Example of blocking center support 97 Turn Nado Gearhead Lathes 6 Attach the lifting straps to the power lifting equipment see Figure 16 for an example PREPARATION Fower Lifting Equipment Use Blocke as Necessary to Space Straps Away from Control Kod Feed Kod and Leadscrew Hardwood Blocking Hardwood Blocking Figure 16 Example of lathe setup for lifting 7 At each end of the lathe have assistants connect guide rods to safely keep the lathe from swaying or tipping during lifting NOTICE When lifting the lathe with straps the load will b
105. ersonal protection equipment when handling coolant Follow federal state and fluid manufacturer requirements for proper disposal South Bend Lathe Co For Machines Mfg Since 3 11 11 I N h 3 N 4 Turn Nado Gearhead Lathes Adding Fluid 1 DISCONNECT LATHE FROM POWER 2 Remove the vented access cover from the rear of the right stand then slide the tank out as shown in Figure 110 Electrical Conduit Pump Figure 110 Coolant tank and pump 3 Pour coolant into the tank until it is nearly full 4 Slidethe tank back into the cabinet and replace the access cover Changing Coolant When you replace the old coolant take the time to thoroughly clean out the chip drawer catch tray and fluid tank The entire job only takes about a hour when you are prepared with the proper materials and tools Make sure to dispose of old fluid according to federal state and fluid manufacturer s requirements Items Needed Oty Safety Wear See Hazards on Page 74 New Coolant 25 4 Quarts Empty 5 Gallon Bucket w Lid 2 Phillips Screwdriver 2 1 Wrench aa 1 Disposable Shop Rags As Needed Hose or Tubing x 60 Optional 1 Piece Magnets Optional As Many As Desired South Bend Lathe Co To change the coola
106. es AB Tailstock Handwheel Moves the quill toward or away from the spindle The graduated dial has 0 001 increments with one full revolution equaling 0 200 of quill travel AC Tailstock Gib Screws Adjust the tapered gib to control tailstock offset accuracy AD Tailstock Offset Screws Adjust the tailstock offset left or right from the spindle centerline Figure 8 Tailstock controls AE Tailstock Clamp Bolt Adjusts the clamping pressure applied by the tailstock lock lever AF Offset Scale Indicates the relative distance of tailstock offset from the spindle centerline AG Offset Lock Bolt Clamps together the upper and lower halves of the tailstock after the offset is adjusted AH Tailstock Stop Pin Prevents the tailstock from sliding off of the ways South Bend Lathe Co T Turn Nado Gearhead Lathes INTRODUCTION For Machines Mfg Since 3 11 Safety Foot Brake This lathe is equipped with a foot brake see Figure 9 to quickly stop the spindle instead of allowing it to coast to a stop on its own Spindle Levers Pressing the foot brake disengages the spindle clutch from the motor drive train inside the headstock After the foot brake is used the spindle lever is W South Bend Lathe used to re start spindle rotation Foot Brake ae Figure 9 Foot brake and spindle levers 8 South Bend Lathe Co For Machines Mfg Since 3 11 INTRODUCTION Turn Nado Gearhead Lat
107. ettings for metric and inch threading and modular and diametral pitches For inch or metric threads use the standard end gear configuration For modular or diametral pitches use the alternate configuration Use the controls on the lathe and follow along with the example below to better understand how to set up the lathe for the desired threading operation Example Metric Thread Pitch of 2 5mm 1 Make sure the end gears are in the standard configuration which is used for all metric threading refer to End Gears on Page 58 for detailed instructions 2 Locate the line in the metric thread chart that lists the setting for 2 5mm threads illustrated in Figure 77 Metric Thread Width of 2 5mm 72 LAR6W 11 LBT4 60 LAR3W O LBT 56 LBR8W 9 LBT 0 700 LCS8X 3 500 LCR8Z 44 LBR4W 7 HAS 0 750 LCT6Z 3 600 HCR2x 40 LBR3W 7 HBS 0 800 LCR1X 4000 512 36 LBR2W 6 HBS 0 900 LCR2X 4 400 4 32 LBR1W 5 HBS 1 000 LCS12 4 500 522 28 Lesaw 4 HBS B 1 100 LCR4X 5 000 HCS3Z2 27 HBS 1 200 LCR6X 5 500 542 26 LBS7W 3 Figure 77 Metric thread chart 59 Turn Nado Gearhead Lathes OPERATION For Machines Mfg Since 3 11 Note In the next step use the chuck key to rock the spindle back and forth to help mesh the gears as you make adjustments 3 For a metric thread pitch of 2 5mm use the configuration string of characters to the right of the selected thread pit
108. feed control lever on the apron to prevent crashes upon startup e Ensure carriage lock bolt is loose 66 Daily After Operations Depress STOP button and shut OFF the master power switch to prevent accidental startup e Vacuum clean all chips and swarf from bed slides and chip drawer e Wipe down all unpainted or machined surfaces with an oiled rag Monthly e Drain and clean the coolant tank then add new fluid Page 74 Annually Change the headstock oil Page 68 Change the apron oil Page 70 Change the gearbox oil Page 69 Lubricate end gears Page 73 Check level bedway Page 28 Cleaning amp Protecting Regular cleaning is one of the most important steps in taking care of this lathe We recommend that the cleaning routine be planned into the workflow schedule so that adequate time is set aside to do the job right Typically the easiest way to clean swarf from the bed ways and chip drawer is to use a wet dry shop vacuum that is dedicated for this purpose The small chips left over after vacuuming can be wiped up with a slightly oiled rag Avoid using compressed air to blow off chips as it may drive them deeper into moving surfaces and could cause sharp chips to fly into your face or hands Besides the ways all other unpainted and machined surfaces should be wiped down daily to keep them rust free and in top condition This includes any surface that is vulnerable to rust if left unprotected
109. g injuries Support components while their mounting fasteners are being removed Components may fall or swing outward if they are not properly supported resulting in crushing or laceration injuries South Bend Lathe Co Required for Procedure Qty Wrench 1 Another Person 1 To adjust the spindle clutch 1 4 DISCONNECT LATHE FROM POWER Move the spindle lever to the center neutral position Have another person support the electrical cabinet then remove the three button head cap screws shown in Figure 122 Figure 122 Removing electrical cabinet fasteners Tilt the cabinet out enough to allow access to the clutch access cover being careful not to strain the lamp or chuck guard safety switch cords If necessary remove these components to prevent straining them Rest the cabinet on a stable support Remove the clutch access panel from the rear of the headstock to expose the dual clutch mechanism see Figure 123 Clutch Access Figure 123 Spindle access panel 81 Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 6 Study Figure 124 to determine the adjustments that will be required in the following steps Forward Adjustment Reverse Adjustment mre 4 ul 72 giighten Forward Drive Clutch Symptom Spindle lever will not Reverse Drive Clutch Required A
110. g speed for the workpiece material and the diameter of the workpiece as noted in the formula shown in Figure 65 Recommended Cutting Speed FPM x 12 SpindleSpeed RPM Dia of Cut in inches x 3 14 Double if using carbide cutting tool Figure 65 Spindle speed formula for lathes Cutting speed typically defined in feet per minute FPM is the speed at which the edge of a tool moves across the material surface A recommended cutting speed is an ideal speed for cutting a type of material in order to produce the desired finish and optimize tool life The books Machinery s Handbook or Machine Shop Practice and some internet sites provide excellent recommendations for which cutting speeds to use when calculating the spindle speed These sources also provide a wealth of additional information about the variables that 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 53 Turn Nado Gearhead Lathes Setting Spindle Speed 1 Make sure the spindle is turned OFF and it has come to a complete stop 2 Find the spindle speed range in the following options that is closest to your calculated spindle speed 20 25 35 and 50 RPM 65 85
111. h Bend Lathe Co 105 Turn Nado Gearhead Lathes 23 5 For Machines Mfg Since 3 11 Headstock Gears Parts List REF DESCRIPTION REF PART DESCRIPTION 201 PSBIOAGPFO201 GEAR SHAFT 214 PSBIO4GPFO214 5 COVER PLATE 202 PSBIOAGPFO2Z02 GEAR 24T 215 PSBIOAGPFO215 FLANGED BEARING 205 PR37M EXT RETAINING RING 32MM 216 PSBIOAGPFO21I6 SPLINED SHAFT 204 _ POBIOAGPFOZO4 27 205 OAGPFFO205 COMBO GEAR 24T 48T 216 PSBIO46PFO218 206 _ PEBIOAGPFOZO6 219 207 6610407 0207 220 205 22 209 reeno4errozc9 222 20 _ 223 21 reencaerroen 224 0 5 F6207 212 POSBIOA4GFFO212 28T 225 O7 OPEN BALL BEARING 6207 OPEN 213 PSBIOAGPFO21S SPACER 226 PSBIOAGPFO226 BEARING RETAINER 106 South Bend Lathe Co Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 Gearbox 1 26269 107 e South Bend Lathe Co Turn Nado Gearhead Lathes 23 RU 5 For Machines Mfg Since 3 11 Gearbox 2 108 South Bend Lathe Co For Machines Mfg Since 3 11 Turn Nado Gearhead Lathes Gearbox Parts List REF 301 302 505 504 505 506 507 308 309 GIP GIF GI GI GIP GI GIT GI ALR QP SJO 320 321 322 525 324 325 326 327 328 329 550 551 552 555 554 555 556 557 556
112. he standard configuration To access the end gears remove the end gear cover from the left side of the headstock Standard End Gear Configuration Use the standard end gear configuration see Figure 74 for inch threading metric threading and all general feed operations Inch and Metric Threading Inch and Metric Feeding Figure 74 End gears in the standard configuration 58 OPERATION For Machines Mfg Since 3 11 Alternate End Gear Configuration Use the alternate end gear configuration when cutting modular or diametral pitches as illustrated in Figure 75 NN Modular and Diametral Pitches Figure 75 Alternate end gear configuration Configuring End Gears Tools Needed Qty Hex Wrench 6mm 1 Wrench 22mmYL a aa esas ota eue ero cue aoo 1 To configure the end gears 1 DISCONNECT LATHE FROM POWER 2 Remove the end gear cover from the left side of the headstock 3 Remove the cap screw lock washer and flat washer from the 57T end gear see Figure 76 57 Tooth Cap Screw Washers amp Pivot Arm Spacer Hex Nut Pea Figure 76 End gear components South Bend Lathe Co For Machines Mfg Since 3 11 4 Loosen the pivot arm hex nut shown in Figure 76 then swing the pivot arm to the left so that the 44T 56T gears are away from the 57T gear Hand tighten the hex nut to
113. hes Product Specifications P O Box 2027 Bellingham WA 98227 U S A PHONE 360 734 1540 South Bend Lathe Co www southbendlathe com MODEL SB1046PF SB1047PF SB1048PF 21 TURN NADO GEARHEAD LATHE w DRO Model Number SB1046PF SB1047PF SB1048PF Product Dimensions Weight 5830 Ibs 6600 Ibs 8140 Ibs Shipping Dimensions Wood Slat Crate 8712 Ibs 121 x 45 x 69 141 x 45 x 69 183 x 45 x 69 Electrical i South Bend Lathe Co 9 Turn Nado Gearhead Lathes INTRODUCTION Model Number SB1046PF SB1047PF SB1048PF Main Motor For Machines Mfg Since 3 11 TEFC Induction 15 1802 440V 3 Phase Horsepower Voltage Phase Amps Speed Cycle gt 1720 60 Hz V Belt amp Gear Shielded amp Permanently Sealed Power Transfer Bearings Coolant Motor TEFC Induction HP 440V 3 Phase 0 23A 3450 RPM 60 Hz Direct Drive Shielded amp Permanently Sealed E Horsepower Voltage Phase Amps Speed Cycle Power Transfer Bearings Operation Information Swing Over Bed 21 in Distance Between Centers Swing Over Cross Slide 14 01 in Swing Over Saddle 21 in Swing Over Gap 31 10 in lin Compound Travel 5 39 in Maximum Tool Bit Size 10 South Bend Lathe Co For Machines Mfg Since 3 11 INTRODUCTION Turn Nado Gearhead Lathes Headstock Information Tailstock Information Threading Information Dimensions 145 43 in Floo
114. hines Mfg Since 3 11 INTRODUCTION Turn Nado Gearhead Lathes About This Machine Foreword The screw cutting engine lathe is the oldest and most important of machine tools and from it all other machine tools have been developed It was the lathe that made possible the building of the steamboat the locomotive the electric motor the automobile and all kinds of machinery used in industry Without the lathe our great industrial progress of the last century would have been impossible How To Run a Lathe 15th Edition South Bend Lathe The lathe represented in this manual is a modern day version of the screw cutting lathes that trace their roots back to the 1700 s which were themselves technological improvements of the bow lathe that can be traced back thousands of years to the ancient Egyptians Now almost 300 years later these modern screw cutting lathes are not just a piece of refined machinery but a culmination of human ingenuity and knowledge embodied into the design and synergy of thousands of interworking parts some of which represent the life s work and dreams of many inventors mechanical engineers and world class machinists including the likes of Leonardo da Vinci Henry Maudsley and the founders of South Bend Lathe John and Miles O Brien And now the torch is passed to you to take the oldest and most important type of machine tool and carry on the tradition As the operator of a South Bend Lath
115. huck 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 For Machines Mfg Since 3 11 Preparation Overview The purpose of the preparation section is to help you prepare your machine for operation The list below outlines this basic process Specific steps for each of these points will be covered in detail later in this section The typical preparation process is as follows 1 Unpack the lathe and inventory the contents of the box crate Clean the lathe and its components Identify an acceptable location for the lathe and move it to that location Level the lathe and either bolt it to the floor or place it on mounts Assemble the loose components and make any necessary adjustments or inspections to ensure the lathe is ready for operation Check lubricate the lathe Connect the lathe to the power source Test
116. ie 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 20 incorrectly can result in workpieces coming loose at high speeds and striking the operator or bystanders with deadly force To reduce the risk of this hazard read and understand this document and seek additional training from an experienced chuck user before using a chuck of the chuck by clamping an oversized workpiece If the workpiece is too large to safely clamp with the chuck use a faceplate or a larger chuck if possible Otherwise the workpiece could be thrown from the lathe during operation resulting in serious impact injury or death Clamping Force Inadequate clamping force can lead to the workpiece being thrown from the chuck and striking the operator or bystanders Maximum clamping force is achieved when the c
117. ience common sense risk awareness working conditions and use of personal protective equipment safety glasses respirators etc The owner of this machinery or equipment is ultimately responsible for its safe use This responsibility includes proper installation in a safe environment personnel training and usage authorization regular inspection and maintenance manual availability and comprehension application of safety devices integrity of cutting tools or accessories and the usage of approved personal protective equipment by all operators and bystanders The manufacturer of this machinery or equipment will not be held liable for injury or property damage from negligence improper training machine modifications or misuse Failure to read understand and follow the manual and safety labels may result in serious personal injury including amputation broken bones electrocution or death The signals used in this manual to identify hazard levels are defined as follows harm WILL occur AWARNING harm COULD occur Death or catastrophic Death or catastrophic Moderate injury or fire MAY occur CAUTIO NOTICE Machine or property damage may occur Basic Machine Safety Owner s Manual All machinery and machining equipment presents serious injury hazards to untrained users To reduce the risk of injury anyone who uses THIS item MUST read and understand this entire manual before starting
118. ifference between the manual and machine leaves you in doubt contact our customer service for clarification We highly value customer feedback on our manuals If you have a moment please share your experience using this manual What did you like about it Is there anything you would change to make it better Did it meet your expectations for clarity professionalism and ease of use South Bend Lathe Inc Technical Documentation Manager P O Box 2027 Bellingham WA 98227 Email manuals southbendlathe com Updates For your convenience any updates to this manual will be available to download free of charge through our website at www southbendlathe com Customer Service We stand behind our machines If you have any service questions parts requests or general questions about your purchase feel free to contact us South Bend Lathe Co P O Box 2027 Bellingham WA 98227 Fax 360 676 1075 International Fax 360 734 1639 USA Only Email sales southbendlathe com Table of Contents INTRODUCTION r eere erre eret tror nra 3 Power Connection 30 About This Machine 30 ERR 32 3 Spindle Break I 35 Capabilities ene eric edi reed de 3 Recommended Adjustments 95 Features eee eerte nene nenne 3
119. ine on the thread dial see Figure 82 28 32 36 40 44 48 56 60 72 Figure 82 Any position on the dial for threading divisible by 4 61 Turn Nado Gearhead Lathes Even TPI Not Divisible By 4 For threading a TPI that is even but not divisible by 4 use any of the non numbered lines on the thread dial see Figure 83 OPERATION 2 6 10 14 18 22 26 30 54 Non Numbered Position For Machines Mfg Since 3 11 1 4 or 34 Fractional TPI For TPI that have a or fraction use position 1 on the thread dial see Figure 86 TPI 2V4 23A Position 31 4 33 4 1 Only Figure 86 Position for 1 4 or 4 fractional TPI Figure 83 Marks are selected on the dial for threading even TPI not divisible by 4 275 TPI Odd Numbered TPI For odd numbered TPI use any of the numbered lines on the thread dial see Figure 84 The thread dial is not used for 27 or metric threading or diametral and modular pitches see Figure 87 The half nut must stay engaged with the leadscrew throughout the entire threading operation Numbered Position Thread Dial Not Used Figure 84 Numbers are selected on the dial for threading odd numbered Figure 87 Half nut stays engaged for 2 Ve Fractional TPI Use any opposing number pairs 2 4 or 1 3 on the thread dial for 1 4 fractional TPI see Figure 85
120. ingham WA 98227 PHONE 360 734 1540 Administrative Offices FAX 360 676 1075 International FAX 360 734 1639 USA only southbendlathe com Printed In U S A BLTS14126
121. ized has burned contacts Wiring is open has high resistance Motor is at fault Pulley set screws or keys are missing or loose Motor fan is hitting the cover Excessive depth of cut or feed rate Spindle speed or feed rate wrong for cutting operation Cutting tool is dull Possible Solution Correct out of phase wiring refer to Page 92 for details Rotate button clockwise until it pops out to reset it for operation replace if not working properly Replace bad switch es Make sure master power switch and circuit breaker are turned ON Verify circuit is rated for machine amp load troubleshoot and repair cause of overload replace weak breaker find repair electrical short Replace fuse determine if overload is due to heavy operation ensure power source has high enough voltage and power cord is correctly sized Verify electrical box door chuck guard spindle and brake switches are not engaged Turn the thermal relay cut out dial to increase working amps and push the reset pin Replace if tripped multiple times weak relay Test all switches and replace as necessary Test for power on all legs and contactor operation Replace unit if faulty Check for broken wires or disconnected corroded connections and repair replace as necessary Test repair replace Inspect keys and set screws Replace or tighten if necessary Tighten fan shim cover or replace items Decrease depth of cut or feed ra
122. jaw continue tightening the remaining jaws in an opposing sequence as shown by the sequential order in Figure 37 Workpiece Centerpoint Figure 37 4 jaw tightening sequence 6 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 38 for an example Figure 38 Example photo of non cylindrical workpiece correctly mounted on the 4 jaw chuck South Bend Lathe Co OPERATION Turn Nado Gearhead Lathes Faceplate Refer to the Chuck Installation Page 38 and Chuck Removal Page 39 instructions to install or remove the faceplate The faceplate included with your lathe can be used for a wide range of operations including machining non concentric workpieces straight turning between centers off center turning and boring The tools needed for mounting a workpiece will vary depending on the type of setup you have AWARNING Machining non concentric workpieces at a high speed could cause the workpiece to be thrown from the spindle with deadly force at the operator or bystanders To reduce this risk only machine non concentric workpieces at low speeds and clamp counter weights to the faceplate to balance it AWARNING Failu
123. l sight glass Adding Oil Remove the quick change gearbox fill plug see Figure 100 then add oil until the level is approximately halfway in the gearbox oil sight glass Figure 100 Locations of the quick change gearbox fill and drain plugs 69 Turn Nado Gearhead Lathes For Machines Mfg Since 3 11 Draining Oil Place a catch pan under the quick change gearbox drain plug see Figure 100 loosen the fill plug and remove the drain plug then allow the gearbox reservoir to empty Apron Oil Type Mobil Vactra 2 or ISO 68 Equivalent Oil Amount 2 1 Quarts Check Add Frequency Daily Change Frequency Annually Checking Oil Level The apron has the proper amount of oil when the sight glass shown in Figure 101 is halfway full Important Keep in mind that the apron one shot oiler draws the oil from the apron reservoir Check this oil level often when using the one shot oiler Figure 101 Location of apron oil sight glass Adding Oil Remove the twist off fill plug shown in Figure 101 and add oil until the sight glass is halfway full 70 Draining Oil amp Flushing Reservoir Since the apron oil reservoir supplies the one shot oiler the oil is constantly being refreshed when the reservoir is filled However small metal particles may accumulate at the bottom of the reservoir with normal use
124. le revolution set the lathe for the desired power feed rate NOTICE When using power feed to move the cross Example Power Feed Rate of 0 0025 1 Make sure the end gears are in the standard slide the feed rate is gt the value stated in configuration which is applicable for general the feed rate chart feeding operations refer to End Gears on the Page 58 for detailed instructions 2 Locate the line in the feed rate chart that lists the setting for 0 0025 of feed per revolution of the spindle as illustrated in Figure 73 WWW C Y e Feed Rate of iCTeX aa HBRaW 0 04 LCT1Y 0 0015 0 0025 51 40 0 05 LCT4Y 0 0020 53 36 HBR2w 0 06 LCT7Y 0 0025 CSex 32 HBR1W 0 08 1 51 id 58 30 0 10 LCS4Y 0 5840 ICR1X 28 HBSaw 0 12 LCS7Y 0 0056 CR2x 26 HBS7W 015 LCR1Y 0 0060 512 24 HBS6W Requires a 532 22 54 0 i B 20 HBS3W 0 30 HCS1Y 0 0120 Configuration of 19 HCS8W 0 35 HCS2Y 0 0140 18 HBS2W 0 40 HCS4Y 0 0160 LCT7Y Z 16 HBS1TW 0 50 HCSBY 0 0200 15 HAT3W 0 75 HCR3Y 0 0300 14 HBTBW 1 00 HCR7Y 0 0400 Figure 73 Feed rate chart South Bend Lathe Co 57 Turn Nado Gearhead Lathes End Gears The end gears on the side of the headstock can be setup for the standard or alternate configuration depending upon the type of operation to be performed The lathe is shipped with the end gears in t
125. lide backlash adjustment screws To adjust the backlash remove the compound rest and loosen the four cap screws Then rock the cross slide handwheel back and forth and tighten the set screw slowly until the backlash is at approximately 0 002 0 003 as indicated on the graduated dial If you end up adjusting the nut too tight loosen the set screw tap the cross slide a few times with a rubber or wooden mallet and turn the handwheel slowly back and forth until the handle turns freely then try again Remember to re tighten the four cap screws when you are finished 77 Turn Nado Gearhead Lathes 3 T ed For Machines Mfg Since 3 11 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 easy adjustment Tools Needed Oty Open End Wrench 36mm or 176 1 Hex Wrench Sint uya lanius 1 To remove leadscrew end play 1 DISCONNECT LATHE FROM POWER 2 Loosen both retaining nut set screws see Figure 113 8 i 1 of 9 4 Figure 113 Leadscrew end P adjustment 3 Engage the half nut lever 4 Rotate the carriage handwheel to move the carriage back slightly then tighten the retaining nut at the same time until the end play is removed 5 Tighten both set screws to secure the setting 78 Gib Adjustment The goal of adjusting the gib scre
126. ly 15 Move the spindle lever to the OFF middle position let the spindle come to a complete stop then move the lever up to reverse spindle rotation 16 Push the STOP button The spindle should come to a slow stop 17 With the STOP button pushed in attempt to start spindle rotation the spindle should not start If the spindle does start the 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 18 Move the spindle lever to the OFF middle position reset the STOP button by twisting it clockwise until it pops out push the spindle motor ON button then restart spindle rotation by moving the spindle lever down again 19 Press the foot brake The spindle should come to a quick stop If the foot brake has no effect on the stopping speed of the spindle push the STOP button to stop the lathe disconnect it from power and call Tech Support for help 20 21 22 23 24 25 26 Push the STOP button to prevent an accidental start up Remove the end gear cover from the left side of the headstock There is a safety switch that prevents the spindle from starting while this cover is removed Reset the STOP button push the spindle motor ON button stand away from all the exposed gears on the side of the headstock then attempt to start spindle rota
127. miliar 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 18 South Bend Lathe Co For Machines Mfg Since 3 11 d 1 B Turn Nado Gearhead Lathes Additional Metal Lathe Safety Speed Rates Operating the lathe at the wrong speed can cause nearby parts to break or the workpiece to come loose which will result in dangerous projectiles that could cause severe impact injuries Large or non concentric workpieces must be turned at slow speeds Always use the appropriate feed and speed rates Chuck Key Safety A chuck key left in the chuck can become a deadly projectile when the spindle is started Always remove the chuck key after using it Develop a habit of not taking your hand off of a chuck key unless it is away from the machine Safe Clearances Workpieces that crash into other components on the lathe may throw dangerous projectiles in all directions leading to impact injury and damaged equipment Before starting the spindle make sure the workpiece has adequate clearance by hand rotating it through its entire range of motion Also check the tool and tool post clearance chuck clearance and saddle clearance Long Stock Safety Long stock can whip violently if not properly supported causing seriou
128. movement when the leadscrew is engaged for threading operations doing so may damage the micrometer stop or lathe components Tools Needed Hex Wrench 8mm 1 To set the micrometer stop 1 DISCONNECT LATHE FROM POWER 2 Loosen the cap screws shown in Figure 63 then use the carriage handwheel to position the carriage and cutting tool at the desired stopping point Stop Rod Figure 62 Cutting tool tip aligned with tailstock center 52 Figure 63 Micrometer stop 3 Move the micrometer stop up to the carriage use the graduated dial to fine tune the position then retighten the cap screws loosened in Step 2 4 Verify that tooling will not make contact with the chuck jaws or other components South Bend Lathe Co For Machines Mfg Since 3 11 Manual Feed The handwheels shown in Figure 64 allow the operator to manually move the cutting tool m Cross Slide pound Rest B Handwh Figure 64 Carriage controls for manual feed Carriage Handwheel The carriage handwheel moves the carriage left or right along the bed It has a graduated dial with 0 01 increments and one full revolution moves the carriage 0 80 Pull the handwheel out to disengage it during power feed operations this will prevent entanglement hazards Cross Slide Handwheel The cross slide handwheel moves the tool toward and away from
129. nd adjust the V belt tension When correctly tensioned each belt should have about 34 deflection when pressed firmly see Figure 121 t Figure 121 V belt adjustment 4 Tighten the hex nuts against both sides of the motor mount plate to prevent it from moving out of adjustment during operation then re install the access covers South Bend Lathe Co For Machines Mfg Since 3 11 3 RV E Turn Nado Gearhead Lathes Spindle Clutch Adjustment This lathe uses a dual clutch mechanism to drive the spindle The clutch assembly will need to be adjusted if you have difficulty engaging the forward or reverse spindle lever position or if the chuck takes more than 3 4 seconds to reach full speed when set at the highest spindle speed AWARNING DISCONNECT LATHE FROM POWER before performing this procedure Failure to do so could result in accidental startup electrical shock entanglement or crushing injury or property damage DO NOT touch hot components During use the clutch and other internal components can become very hot Wear heavy gloves or allow components to cool before service Wear safety glasses throughout the entire procedure Oil may splash and spring loaded components may be thrown resulting in injury or loss of vision DO NOT rotate the spindle or input pulley by hand while hands or fingers are inside the headstock Doing so may cause entanglement and serious crushin
130. nd all the camlocks are tight verify that the cam line is between the two V marks on the spindle nose as shown in the following figure Cam line between Vs Figure 32 Cam line positioned between the V marks after the camlocks are fully tightened If the cam line is NOT between the V marks when the camlock is tight the stud may be installed at the incorrect height To fix this adjust the stud height as shown in the following figure Make sure to re install the stud cap screw afterward If adjusting the stud height does not correct the problem try swapping stud positions on the chuck x INCORRECT Stud Too High Turn In One Turn Stud Too Low Turn Out One Turn Figure 33 Correcting an improperly installed stud South Bend Lathe Co For Machines Mfg Since 3 11 7 Verify that the chuck fits the spindle properly by checking for any gaps between the mating surfaces If there are no gaps proceed to Step 8 If there is a gap remove the chuck re clean the mating surfaces carefully and re install If the problem persists contact our Tech Support 8 Verify that the chuck spindle tapers are seated firmly together by removing the chuck per the Chuck Removal instructions and pay close attention to how easily the tapers release If it was necessary to bump the chuck or use a mallet to release the tapers then
131. ndle lever to the OFF middle position see Figure 28 Turn the master power switch ON then reset the STOP button by twisting it clockwise until it pops out The power lamp on the control panel should illuminate Push the spindle motor ON button and wait for the motor to reach full speed Verify that oil is flowing against the headstock sight glass shown in Figure 29 Headstock Oil Sight glass Figure 29 Headstock oil sight glass If oil flow is not visible in the sight glass push the STOP button disconnect the lathe from power then make sure the oil tank is properly filled see Headstock in the Lubrication subsection on Page 68 for details If the oil tank is correctly filled and oil flow is still not visible in the sight glass disconnect the lathe from power and call Tech Support for help 33 Turn Nado Gearhead Lathes PREPARATION For Machines Mfg Since 3 11 Note The spindle clutch is tight when new and may require moderate pressure on the spindle lever to engage it until it is broken in 13 Move the spindle lever down to start the spindle rotating counterclockwise down toward the front of the lathe If the spindle rotates in the opposite direction clockwise the power supply phase polarity may be incorrect Refer to Correcting Phase Polarity on Page 92 to resolve this 14 Observe the lathe and listen for any abnormal noises or vibration The lathe should run smooth
132. ng hex bolts underneath the tailstock to secure the offset South Bend Lathe Co For Machines Mfg Since 3 11 OPERATION Turn Nado Gearhead Lathes Aligning Tailstock to Spindle Centerline This is an essential adjustment that should be verified or performed each time the tailstock is used to turn concentric workpieces between centers or immediately after offsetting the tailstock when turning a taper If the tailstock is not aligned with the spindle centerline when it is supposed to be turning results will be inaccurate along the length of the workpiece Items Needed Oty Hex Wrench 6mm 80 8 1 Wrench 17mm eene 1 Round Stock 2 x 6 2 Precision Level 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 28 2 Center drill both ends of one piece of round stock then set it aside for use in Step 5 3 Use the other piece of round stock to make a dead center and turn it to a 60 point as illustrated in Figure 46 Figure 46 Turning a dead center Note As long as this dead center remains in the chuck the point
133. nt 1 Position the coolant nozzle over the back of the backsplash so that it is pointing behind the lathe 2 Place the 5 gallon bucket behind the lathe and under the coolant nozzle If you are using the optional hose connect it to the nozzle and place it in the bucket Otherwise you may need to have another person hold the bucket up to the nozzle to prevent coolant from splashing out 3 Turn the coolant pump ON and pump the old fluid out of the reservoir Turn the pump OFF immediately after the fluid stops NOTICE Running the coolant pump without adequate fluid in the tank may permanently damage it which will not be covered under warranty 4 DISCONNECT LATHE FROM POWER 5 Remove the vented access cover from the rear of the right stand then slide the tank out 6 To enable the remaining fluid to be poured out in the next step disconnect the fluid hose from the pump see Figure 110 Note The electrical conduit was purposely left long so the tank can be removed and dumped out without disconnecting the wires from the pump 7 Pourthe remaining coolant into the 5 gallon bucket and close the lid 8 Clean all the sludge out of the bottom of the tank and then flush it clean Use the second bucket to hold the waste and make sure to seal the lid closed when done Dispose of the old coolant and swarf according to federal state and fluid manufacturer s requirements 75 Turn Nado Gearhead Lathe
134. o re install with the same degree of accuracy Figure 135 Gap insert 86 Tools Needed Oty Hex Wrenches 6MM eee 1 Hex Wrench 8mm e 1 Wrench 1 0m eeu 1 Dead Blow Hammer 1 Gap Removal 1 Remove the four gap bed cap screws shown in Figure 136 Screw Figure 136 Fasteners holding gap in place 2 Remove the two way end cap screws 3 Tighten the two dowel pin jack nuts until the pins are pulled free from the gap insert 4 Tap the outside of the gap insert with a dead blow hammer to loosen it then remove it South Bend Lathe Co For Machines Mfg Since 3 11 3 RV 3E Turn Nado Gearhead Lathes Gap Installation 1 Use mineral spirits and a clean lint free rag to clean the mating surfaces of the gap bed and ways If necessary stone the mating surfaces to remove scratches dings or burrs Wipe a thin layer of light machine oil on the mating surfaces Place the gap insert into the gap and use a dead blow hammer to align the insert with the lathe bed Back off the dowel pin jack nuts and lightly tap the dowel pins back into their respective holes until they are seated This process will further help align the gap insert and bed mating surfaces South Bend Lathe Co 5 Install all fasteners and lightly snug them in place Mount a dial indicator with
135. on turn the master power switch to OFF and disconnect the machine from power 2 Open the electrical box and swap any two hot wires coming from the power supply as illustrated in Figure 137 3 Close and latch the electrical box and reconnect the machine to the power source 92 South Bend Lathe Co For Machines Mfg Since 3 11 E i R x Turn Nado Gearhead Lathes Wiring Overview Power Supply Connection 99 Electrical Cabinet Page 95 Work Lamp Page 99 Chuck Guard Safety Switch Page 99 End Gear Cover Safety Switch d Coolant P 99 age Pump Motor Page 97 Spindle Motor Control Panel Page 97 98 um uw E uw Digital Readout Unit See Unit Manufacturer s Owner s Manual South Bend Lathe Co 93 Turn Nado Gearhead Lathes 3 il R CA For Machines Mfg Since 3 11 Component Location Index Electrical Work Lamp Cabinet Page 99 95 Master Power Switch Coolant i n Page 95 Pump Motor n Page 97 Spindle Motor Page 97 Control Panel Chuck Guard Safety Switch End Gear Cover Safety Switch Page 99 Figure 138 Component location index 94 South Bend Lathe Co For Machines Mfg Sin
136. onary plate above the hub then move the spindle speed lever so that the green arrow on the inner hub aligns with the green bar of the 210 RPM label Stationary Spindle Speed ARMING Spindle Speed Range Leve Figure 26 Spindle speed set at 210 RPM Note You may need to rock the spindle back and forth by hand to get the gears to engage when using the lever South Bend Lathe Co For Machines Mfg Since 3 11 7 Move the gearbox range lever on the headstock to the neutral middle position to disable power feed as shown in Figure 27 Low Neutral MODEL SB1057F 18 x 60 TURN NADO GEARHEAD LATHE w DRO HIGH POSITION DO NOT EXCEED SPINDLE SPEED OF 350 R PM Figure 27 Gearbox range lever in neutral 8 Pull up on the half nut and the feed ON OFF levers see Figure 28 then use the carriage handwheel to move the carriage back and forth to ensure that it is not engaged with the leadscrew or feed rod Note Steps 7 8 will ensure that the carriage and cross slide do not unexpectedly move during the following steps Feed ON OFF Lever Half Nut Lever and Half Nut Disengaged Engaged Disengaged Figure 28 Apron controls for test run South Bend Lathe Co PREPARATION 9 10 11 12 Turn Nado Gearhead Lathes To prevent the spindle from rotating when power is applied to the motor move the spi
137. ooo IY 03 1981009 1 009 Ayoyes pue qesod E UOT IPUOD 39olspe uorjoodsu a sooeging ptt tte LL EL E LL RE RE RR RD EE GA ERR RES ERR ERR RR RAE S uor qn ez sc 22 oz se ve ac er orer vr erjer m or e e 2 Jo ej w e e ar eyg o ueuojurey luluoN eue pueg unos 9 e T SOTO 67 e South Bend Lathe Co Turn Nado Gearhead Lathes M ry I N I 3 N ry N E For Machines Mfg Since 3 11 Lubrication Headstock The headstock is supplied with oil from the oil tank in the base of the left stand When the spindle motor is started a belt driven oil pump circulates oil across the headstock gears before spindle rotation is started Checking amp Adding Oil Oil Type Mobil DTE Light or ISO 32 Equivalent Oil Amount 15 9 Quarts Check Add Frequency Daily Change Frequency Annually Remove the end gear cover and the side access panel from the left stand then unthread the oil fill cap to check the oil level on the dip stick see Figure 29 Fill ds Spout Figure 96 Checking headstock oil tank level If the oil on the dip stick is less than 3 from the tip of the
138. operation any operations 7 Setsthe correct spindle speed for the AWAR N N G operation Loose hair clothing or 8 Ifusing power feed selects the proper feed jewelry could get caught rate for the operation in machinery and cause serious injury or death 9 Turns the master power switch ON resets Keep these items away from the STOP button presses the spindle motor moving parts at all times to ON button then verifies there is oil flow reduce this risk visible in the headstock sight glass 10 Uses the spindle lever to start spindle AWAR NING rotation During operation small 11 metal chips may become airborne leading to serious eye injury Wear safety glasses to reduce this risk 12 Uses the carriage handwheels or power feed options to move the tooling into the workpiece for operations When finished cutting moves the spindle lever to the OFF position presses the foot brake to completely stop the spindle then removes the workpiece 36 South Bend Lathe Co For Machines Mfg Since 3 11 Chuck amp Faceplate Mounting This lathe is equipped with a D1 type spindle nose This type of spindle uses camlocks that are adjusted with a chuck key to securely mount a chuck or faceplate with repeatable precision and ease AWARNING Never use spindle speeds faster than the chuck RPM rating or the safe limits of your workpiece Excessive spindle speeds greatly increase the risk of the workpiece
139. otate with the workpiece and is used to support long slender workpieces Figure 48 Adjust tailstock toward the operator If the test stock is thinner at the tailstock end move the tailstock toward the back of the lathe the distance of the amount of taper see Figure 49 Use the dead center in the spindle for operations where the workpiece rotates with the center and does not generate friction The carbide tipped dead center can better Looking down from above withstand the effects of friction and is best used in the tailstock where the workpiece will rotate against it The tip of the center must be generously lubricated during the operation to avoid premature wear and maximize smooth operation Using low spindle speeds will also reduce the heat and wear from friction Move tailstock toward the back of the lathe the distance of the taper Figure 49 Adjust tailstock away from the operator 9 Repeat Steps 6 8 until the desired accuracy is achieved 46 South Bend Lathe Co For Machines Mfg Since 3 11 Live Centers A live center has bearings that allow the center tip and the workpiece to rotate together it can be installed in the spindle and the tailstock quill for higher speeds However a live center typically does not provide the same level of rigidity as a dead center and final workpiece accuracy can suffer as a result Mounting Dea
140. perate it further until you have resolved the problem A Troubleshooting section is provided starting on Page 88 to assist you with solutions if a problem occurs or if the lathe does not function as described in this section If you need additional help after reviewing the troubleshooting section or you are not confident troubleshooting the machine on your own contact our Tech Support at 360 734 1540 To test run your machine 1 Make sure the master power switch Figure 24 on the rear of the machine is turned OFF Figure 24 Location of the master power switch 2 Read and follow the safety instructions at the beginning of the manual take all required safety precautions and make sure all previous preparation steps discussed in this manual have been followed and completed 3 Clear away all tools and objects used during assembly lubrication and preparation 32 PREPARATION For Machines Mfg Since 3 11 4 Make sure that the chuck and jaws if installed are secure refer to Chuck and Faceplate Mounting on Page 37 Note If a chuck is not installed on the lathe you do not need to install one for this test Push the STOP button on the control panel see Figure 25 and point the coolant nozzle into the chip pan Figure 25 Control panel 6 Move the spindle speed range lever Figure 26 so that the colors of the 210 500 RPM range align with the colors on the stati
141. quirements for this machine a new circuit must be installed To minimize the risk of electrocution fire or equipment damage installation work and electrical wiring must be done by an electrician or qualified service personnel in accordance with all applicable codes AWARNING Serious injury could occur if you connect the machine to power before completing the setup process DO NOT connect to power until instructed later in this manual Full Load Current Rating The full load current rating is the amperage a machine draws 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 SB1046PF Full Load Rating 19 23 Amps SB1047PF Full Load Rating 19 23 Amps SB1048PF Full Load Rating 19 23 Amps SB1056F Full Load Rating 19 23 Amps SB1057F Full Load Rating 19 23 Amps SB1058F Full Load Rating 19 23 Amps CAUTION For your own safety and protection of property consult an electrician if you are unsure about wiring practices or applicable electrical codes 99 PREPARATION For Machines Mfg Since 3 11 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 overloa
142. r your own safety disconnect machine from the power source before servicing 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
143. r to Center Height 46 65 in South Bend Lathe Co 11 Turn Nado Gearhead Lathes INTRODUCTION For Machines Mfg Since 3 11 Model Number SB1046PF SB1047PF SB1048PF Construction Headstock Headstock Gears ed Stand Paint Other Country of Origin Warranty Serial Number Location Assembly Time Sound Rating at Idle 12 South Bend Lathe Co For Machines Mfg Since 3 11 INTRODUCTION Turn Nado Gearhead Lathes Product Specifications P O Box 2027 Bellingham WA 98227 U S A PHONE 360 734 1540 South Bend Lathe Co www southbendlathe com MODEL SB1056F SB1057F SB1058F 18 TURN NADO GEARHEAD LATHE w DRO Model Number SB1056F SB1057F SB1058F Product Dimensions Weight 4400 Ibs 5170 lbs 5940 lbs Width side to side Depth 5i yam yn 3 front to back Height 9034 x 27 x 54 sx EXIT sx DA 130 x 27 x 54 Foot Print Width Depth 102 x 71 122 x 71 141 x 71 Shipping Dimensions Wood Slat Crate Weight 4708 Ibs 5522 lbs 6380 Ibs Width side to side Depth front to back Height 100 x 45 x 69 121 x 45 x 69 141 x 45 x 69 Electrical 440V 3 Phase 60Hz 19 23A Magnetic with Thermal Protection 440V Hardwire to Locking Disconnect Switch South Bend Lathe Co 13 Turn Nado Gearhead Lathes INTRODUCTION Model Number SB1056F SB1057F SB1058F Main Motor For Machines Mfg Since 3 11 TEF
144. range South Bend Lathe Co OPERATION Turn Nado Gearhead Lathes Headstock Feed Direction Lever Selects the direction of power feed see Figure 68 Note The spindle must be stopped to use this lever When the lathe is running use the apron feed direction knob HIGH POSITION DO NOT amp SPINDLE SPEED OF 350 R REVERSE WWW C Figure 68 Headstock feed direction lever Ouick Change Gearbox Feed Levers Configure the quick change gearbox gears for the feed rate selected per the feed chart see Figure 69 Feed Rate To Chart Figure 69 Quick change gearbox controls 55 Turn Nado Gearhead Lathes Feed Selection Knob Selects the carriage or cross slide for power feed see Figure 70 When the knob is pulled out the cross slide is selected Conversely when the knob is pushed in the carriage is selected OPERATION For Machines Mfg Since 3 11 Carriage Feed Clutch Knob Adjusts how easily the carriage clutch will disengage automatic feeding when the carriage contacts a feed stop or in the event of a crash Tightening this knob all the way disables the carriage clutch completely see Figure 71 v 4 Feed Direction Knob lt Figure 70 Apron feed selection and direction knobs Feed Selection Knob In the middle position the apron gears are disengaged from the feed rod and n
145. range Spindle Speed Lever Selects one of the four spindle speeds within the available range Spindle Speed Range Lever Selects one of four spindle speed ranges Threading and Feed Charts Displays the necessary configurations of the gearbox levers and end gears for different threading or feeding options South Bend Lathe Co 5 Turn Nado Gearhead Lathes INTRODUCTION For Machines Mfg Since 3 11 Control Panel Figure 4 Control panel G Power Light Illuminates when lathe controls are receiving power H Coolant Pump OFF amp ON Buttons Control the coolant pump motor I Spindle Motor OFF amp ON Buttons Controls the spindle motor J STOP Button Stops all machine functions Twist clockwise to reset Carriage Figure 5 Carriage controls K Carriage Handwheel Moves the carriage along the bed Can be disengaged during power feed operations to prevent an entanglement hazard Cross Slide Handwheel Moves the cross slide toward and away from the workpiece Compound Rest Handwheel Moves the tool toward and away from the workpiece at the preset angle of the compound rest 4 Way Tool Post Mounts up to four cutting tools at once that can be individually indexed to the workpiece Coolant Flow Control Lever Controls the flow of coolant from the nozzle One Shot Oiler Draws oil from the apron reservoir to lubricate the carriage ways through various oil ports
146. rate this machine until connect power until instructed to do so later you have understood this entire manual and in this manual received proper training 4 South Bend Lathe Co For Machines Mfg Since 3 11 INTRODUCTION Turn Nado Gearhead Lathes Controls amp Components Refer to Figures 2 9 and the following descriptions to become familiar with the features and basic controls of this lathe This knowledge will be necessary to properly set up the lathe for the test run and spindle break in AWARNING To reduce the risk of serious injury when using this machine read and understand this entire manual before beginning any lathe operations Master Power Switch The rotary switch shown in Figure 2 toggles incoming power ON and OFF to the lathe controls It also prevents the electrical cabinet door from being opened when the switch is ON Figure 2 Location of the master power switch NOTICE Turning the master power switch to OFF is not a safe alternative to completely disconnecting the machine from power when wiring servicing or making repairs Headstock Figure 3 Headstock controls Quick Change Gearbox Levers Controls the leadscrew and feed rod speed for threading and feed operations Headstock Feed Direction Lever Controls the direction that the leadscrew and feed rod rotate Gearbox Range Lever Shifts the quick change gearbox into low range neutral or high
147. re performing this procedure Connecting Power 1 Make sure the master power switch is turned to the OFF position then open the electrical cabinet door 2 Refer to Figure 22 to identify the master power switch and the hole at the bottom left for the incoming power supply YY YES uy lt Incoming Power Strain Relief Figure 22 Electrical cabinet PREPARATION Turn Nado Gearhead Lathes 3 Connect the incoming hot wires to the master power switch terminals and connect the ground wire to the ground terminal as illustrated in Figure 23 To Fower Hot Hot 6 6c Supply MASTER POWER SWITCH 9990 L1 L2 L3 Figure 23 Power connection at master power switch 4 Make sure the wires have enough slack so that they do not bind at the terminals 5 Close and lock the electrical cabinet door NOTICE To avoid unexpected start up of lathe components keep the master power switch turned OFF until instructed otherwise in the Test Run South Bend Lathe Co 31 Turn Nado Gearhead Lathes Test Run After all preparation steps have been completed the machine and its safety features must be tested to ensure correct operation If you discover a problem with the operation of the machine or its safety components shut the machine down disconnect it from power and do not o
148. re to properly secure a workpiece to the faceplate could cause the workpiece to be thrown from the lathe with deadly force at the operator or bystanders Use a minimum of THREE independent clamping devices to hold the workpiece onto the faceplate 41 Turn Nado Gearhead Lathes To mount a non concentric workpiece to the faceplate 1 DISCONNECT LATHE FROM POWER 2 Protect the bedway with a piece of plywood 3 With help from another person or a holding device to support the workpiece position it onto the faceplate and clamp it in place with a minimum of three independent clamping devices see Figure 39 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 39 Example photo of workpiece clamped in faceplate Tailstock The tailstock see Figure 40 is typically used to support long workpieces by means of a live or dead center refer to Centers on Page 46 It can also be used to hold a drill or chuck to bore holes in the center of a part Custom arbors and tapers can also be cut on your lathe by using the offset tailstock adjustment 42 OPERATION For Machines Mfg Since 3 11 Quill Lock Lever y j 4 Tailstock Lock Lever
149. reat force DO NOT extend a cutting tool more than 2 5 times the width of its cross section or less e g 2 5 x 0 5 1 25 2 Firmly secure the cutting tool with at least two tool post bolts 3 Check and adjust the cutting tool to the spindle centerline as instructed in the next subsection South Bend Lathe Co OPERATION Turn Nado Gearhead Lathes Aligning Cutting Tool with Spindle Centerline For most operations the cutting tool tip should be aligned with the spindle centerline as illustrated in Figure 61 Cutting Spindle Center Figure 61 Cutting tool aligned with spindle centerline viewed from tailstock There are a number of ways to check and align the cutting tool to the spindle centerline If necessary you can raise the cutting tool by placing steel shims underneath it The shims should be as long and as wide as the cutting tool to properly support it Below are two common methods e Align the tip of the cutting tool with a center installed in the tailstock as instructed on the next page For this to work the tailstock must be aligned to the spindle centerline refer to Aligning Tailstock To Spindle Centerline on Page 45 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 ch
150. ron 2 582 LO X 9 112 South Bend Lathe Co For Machines Mfg Since 3 11 Turn Nado Gearhead Lathes Apron Pa REF PART 501 PSB1O46PFO501 502 PSBIO46PFO502 508 504 PSBIO46GPFO504 505 PSBIO46GPFO505 506 PSTBOO 507 PSBIO46GPFO507 505 PSB1IO46GPFO508 509 510 PSBIO4GPFOS10 51 PSBIO4GPFODS11 512 PSBIOAGPFOD12 55 515 FSPB1O4GFFO515 56 517 FSPB1O4GFFO517 518 519 PSBIO4AGPFOS19 520 1046 520 521 1046 521 522 1046 522 525 524 1046 524 525 1046 525 526 527 1046 527 525 PSBIO46GPFO528 529 1046 529 580 551 PSB1IO46PFO5S1 552 PSBIOAGPFOD3S2 534 555 1046 5 5 557 FSP1O4GFFO5257 558 529 540 542 PSBIOAGPFOD42 54 PSBIOAGPFOD43 545 PSBIO4AGPFOD45 546 PSBIOAGPFOD46 547 PSB1IO4AGPFOD47 546 21 549 PSBIOAGPFOD49 550 551 PFHS8M 552 PSBIO4AGPFOD52 rts List DESCRIPTION ANDLE CAP SCREW ANDLE SCREW M6 1 X 25 EEL CENTER CAP m 4 Q gt z S gt S m r STEEL BALL 1 4 COMPRESSION SPRING GRADUATED DIAL FLAT HD SCR 5 5 X 12 GRADUATED DIAL BASE WOODRUFF KEY 19 X 5 GEAR SH T gt A E r Ku O 9 m XT RETAINING RING 18MM Q 3 gt m 7 EXT RETAINING RING 25 GEAR 5
151. s N ry I N i I 3 N A N i For Machines Mfg Since 3 11 9 Tip 10 11 12 13 14 Slide the tank partially into the base and re connect the fluid hose Leave one or more magnets at the bottom of the tank to collect metal chips and make cleanup easier next time This will also help keep small metal chips out of the pump Refill the tank with new coolant then slide it completely into the base Replace the access cover panel Re connect the lathe to power and point the nozzle into the chip drawer Turn the master power switch ON then reset the STOP button Turn the coolant pump ON to verify that fluid cycles properly then turn it OFF Machine Storage To prevent the development of rust and corrosion the lathe must be properly prepared if it will be stored for a long period of time Doing this will ensure the lathe remains in good condition for later use To prepare the lathe for storage 1 76 Run the lathe and bring all gearboxes to operating temperature then drain and refill them with clean oil Pump out the old coolant then add a few drops of way oil and blow out the lines with compressed air DISCONNECT LATHE FROM POWER 4 Thoroughly clean all unpainted bare metal surfaces then apply a liberal coat of way oil heavy grease or rust preventative Take care to ensure these surfaces are completely covered but that the rust preventative or grease is kept off of paint
152. s impact injury and damage to the lathe Reduce this risk by supporting any stock that extends from the chuck headstock more than three times its own diameter Always turn long stock at slow speeds Securing Workpiece An improperly secured workpiece can fly off the lathe spindle with deadly force which can result in a severe impact injury Make sure the workpiece is properly secured in the chuck or faceplate before starting the lathe Chucks Chucks are very heavy and difficult to grasp which can lead to crushed fingers or hands if mishandled Get assistance when handling chucks to reduce this risk Protect your hands and the precision ground ways by using a chuck cradle or piece of plywood over the ways of the lathe when servicing chucks Use lifting devices when necessary Clearing Chips Metal chips can easily cut bare skin even through a piece of cloth Avoid clearing chips by hand or with a rag Use a brush or vacuum to clear metal chips Stopping Spindle by Hand Stopping the spindle by putting your hand on the workpiece or chuck creates an extreme risk of entanglement impact crushing friction or cutting hazards Never attempt to slow or stop the lathe spindle with your hand Allow the spindle to come to a stop on its own or use the brake Crashes Aggressively driving the cutting tool or other lathe components into the chuck may cause an explosion of metal fragments which can result in severe impact injuries
153. s Slide Handwheel 53 Levelimpg 3o RE 28 C d idoneam 53 Bolting to Concrete Floors 29 s aie Se 53 Assembly 29 pus 27 1 E Lubricating Lathe eee 30 DU ie deiade ie Coolant opa asha 30 Power Reed eee Gu ayayay 54 Power Feed Controls 55 Setting Power Feed Rate 57 End pa put 58 Standard End Gear Configuration 58 Alternate End Gear Configuration 58 Threading Controls esses 59 Headstock amp Gearbox Threading Controls 59 Apron Controls 22 000000 60 Thread Dial IRE 61 Thread Dial Sa siasa 61 Chip Draw ocr 63 Coolant System 63 Rod Support us n a an nun vies 64 ACCESSORIES aaa aisssssssssssssssssssssssasss 65 66 Maintenance Schedule 66 Cleaning amp Protectinsg 66 Maintenance Charrt 67 s ve oix d bred cabe dais 68 Headstogk eee
154. stallation MUST be done by an electrician or qualified service personnel LOCKING DISCONNECT SWITCH Power Source Conduit Ground Figure 10 Typical hardwire setup with a locking disconnect switch 23 Turn Nado Gearhead Lathes PREPARATION For Machines Mfg Since 3 11 Unpacking This item was carefully packaged to prevent damage during transport If you discover any damage please immediately call Customer Service at 360 734 1540 for advice You may need to file a freight claim so save the containers and all packing materials for possible inspection by the carrier or its agent Inventory Main Inventory 1 Figure 11 Oty A Steady Rest Assembly Installed 1 B 14 Faceplate w D1 8 Camlock Stud Set 1 C 3 Jaw Chuck Key Clamped on Lathe 1 D Model SB1232 14 4 Jaw Chuck w Combo JAWS 1 4 Jaw Chuck Key e 1 F Tool Post T Wrench Clamped on Lathe 1 G Follow Rest Assembly Installed 1 Tool Box Inventory Figure 12 Oty H Tool BOX 1 I Open End Wrench 22 24mm 1 J Open End Wrench 14 17mm 1 K Open End Wrench 10 12mm 1 L Combination Wrench 27mm 1 M Phillips Screwdriver 2 1 N Standard Screwdriver 2
155. te 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 88 South Bend Lathe Co For Machines Mfg Since 3 11 Symptom Entire machine vibrates upon startup and while running Bad surface finish Tapered tool difficult to remove from tailstock quill Cross slide compound or carriage feed has sloppy operation Cross slide compound or carriage feed handwheel is hard to move Cutting tool or machine components vibrate excessively during cutting Possible Cause 1 Workpiece is unbalanced 2 Workpiece is hitting stationary object 3 Loose or damaged V belt s 4 V belt pulleys are not properly aligned 5 Chuck or faceplate is unbalanced 6 Gears not aligned in headstock or no backlash 7 Broken gear or bad bearing 8 Spindle bearings at fault 1 Wrong spindle speed or feed rate 2 Dull tooling or poor tool selection 3 Tool height not at spindle centerline 4 Too much play in gibs 1 Quill is not retracted all the way back into the tailstock 2 Contaminants not removed from taper before inserting into quill 1 Gibs are out of adjustment 2 Handwheel is loose or backlash is high 3 Leadscrew mechanism worn or out of adjustment 1 Dovetail slides loaded with shavings dust or grime 2 Gib screws are too tight 3 Backlash setting too tight
156. ted A Fower Connection Location seroserr voz SB1048PF 1o 1707 Lsmroser 1127 91 SB1057F 1927 111 Figure 13 Space required for full range of movement 26 South Bend Lathe Co For Machines Mfg Since 3 11 Lifting amp Moving AWARNING This machine and its parts are heavy Serious personal injury may occur if safe moving methods are not used To reduce the risk of a lifting or dropping injury ask others for help and use power equipment and guide rods Do not attempt to lift or move this lathe without using the proper lifting equipment such as forklift or crane or the necessary assistance from other people Each piece of lifting equipment must be rated for at least 25 more than the shipping weight of your lathe to support dynamic loads that may be applied while lifting Refer to Things You ll Need on Page 21 for details To lift and move the lathe 1 Remove the shipping crate top and sides then remove the small components from the shipping pallet 2 Move the lathe to its prepared location while it is still attached to the shipping pallet 3 Unbolt the lathe from the shipping pallet 4 To balance the load for lifting move the tailstock and carriage to the extreme right end of the bedway then lock them in place Note Before attempting to move the carriage make sure the carriage lock is loose the half nut is disengaged and the power feed is dis
157. the casting until the center releases OPERATION For Machines Mfg Since 3 11 Mounting Workpiece Between Centers 1 DISCONNECT LATHE FROM POWER Drill center holes in both ends of the workpiece Install a dead center in the spindle with a lathe dog and a chuck or faceplate then install a live center or carbide tipped dead center in the tailstock Lubricate the workpiece center holes then mount the workpiece between the centers and hold it in place with light pressure from the tailstock center Seat the center firmly into the quill by rotating the tailstock handwheel clockwise to apply pressure against the workpiece see the example in Figure 54 Only apply enough pressure to securely mount the workpiece between centers Avoid over tightening the center against the workpiece or it may become difficult to remove later Also over tightening will result in excessive friction and heat which may damage the workpiece or center If the center does not come loose by retracting the quill extend the quill to expose the slot shown in Figure 53 then use a drift key to remove the center al e Drift Key Slot Figure 53 Drift key slot in the side of the quill 48 Figure 54 Example photo of a workpiece mounted between the centers South Bend Lathe Co For Machines Mfg Since 3 11 Steady Rest The steady rest supports long shafts and can be mounted anywhere along th
158. tion the spindle should not start If the spindle does start with the end gear cover removed the safety limit switch is not adjusted or operating correctly This safety feature must operate properly before continuing Press the STOP button to turn the lathe OFF disconnect it from power and call Tech Support for help Push the STOP button in move the spindle lever to the OFF middle position push the spindle motor OFF button and wait for the V belts to stop then replace the end gear cover Reset the STOP button press the spindle motor ON button then lift the chuck guard up this will activate the chuck guard safety switch to prevent spindle rotation Attempt to start spindle rotation the spindle should not start If the spindle does start with the chuck guard in the up position the safety switch is not adjusted or operating correctly This safety feature must operate properly before continuing Press the STOP button to turn the lathe OFF disconnect it from power and call Tech Support for help Move the chuck guard back down into operating position Point the coolant nozzle down into the chip drawer and verify that there is coolant in the reservoir refer to Coolant System Service on Page 74 for detailed instructions 34 South Bend Lathe Co For Machines Mfg Since 3 11 27 Use the coolant pump switch on the control panel to start the pump then open the valve at the base of the nozzle Verify th
159. ve enough to show a distinct movement when a 0 003 shim approximately the thickness of one sheet of standard newspaper is placed under one end of the level See the figure below for an example of a high precision level Figure 17 Example of a precision level South Bend Lathe Co For Machines Mfg Since 3 11 To level the machine use a precision level to make sure the bedways are level from side to side and from front to back If using the included leveling pads see Figure 18 place them under the six leveling jack bolt locations then adjust the bolts to level the lathe Figure 18 Leveling pads and screws If using mounting hardware that does not allow for adjustment level the lathe by placing metal shims between the lathe base and the floor before bolting it down Bolting to Concrete Floors Lag screws and anchors or anchor studs below are two popular methods for bolting machinery to a concrete floor We suggest you research the many options and methods for mounting your machine and choose the best one for your specific application Lag Screw and Anchor cumin n SSma mm Figure 19 Common types of fasteners for bolting machinery to concrete floors NOTICE Most electrical codes require that machines connected to the power source by fixed conduit MUST be secured to the floor South Bend Lathe Co PREPARATION Turn Nado Gearhead
160. ws is to remove sloppiness or play from the ways without over adjusting them to the point where they become stiff and difficult to move In general loose gibs cause poor finishes and tool chatter however over tightened gibs cause premature wear and make it difficult to turn the handwheels Important Before adjusting the gibs loosen the locks for the device so that the gibs can freely slide during adjustment then lubricate the ways The gibs are tapered and held in position by a screw at each end To adjust the gib turn one screw 1 4 turn clockwise and the other screw 1 4 turn counterclockwise so both screws move in the same direction and the same amount Test the feel of the sliding component by turning the handwheel and adjust the gib screws as necessary to make it tighter or looser The gib adjustment process usually requires some trial and error Repeat the adjustment process as necessary until you find the best balance between loose and stiff movement Most machinists find that the ideal gib adjustment is one where a small amount of drag or resistance is present yet the handwheels are still easy to move South Bend Lathe Co For Machines Mfg Since 3 11 3 RV 14 Turn Nado Gearhead Lathes Figures 114 118 show the location of the Note Remove the thread dial body and the adjustment screws for each gib on this machine carriage lock clamp to access the saddle gib adjustment screw on the tailstock side see
161. ying well away from the V belts re connect the lathe to power and press the spindle motor ON button DO NOT start spindle rotation This will pump oil from the tank into the bucket 5 When oil stops flowing out of the supply hose immediately press the spindle motor OFF button and disconnect the lathe from power 6 Place the low profile catch pan under the drain plug shown in Figure 98 then remove the drain plug and let the remaining oil flow from the tank Figure 98 Headstock oil drain plug 7 Re install the drain plug and re connect the oil supply hose to the headstock connection Note Use pipe tape or sealant to ensure the connections do not leak 8 Clean away any spilled oil with shop rags and mineral spirits 9 Dispose or recycle the old oil according to federal state and local requirements 10 Add oil as previously instructed then re install the end gear cover and side access panel before re connecting the lathe to power South Bend Lathe Co Quick Change Gearbox Oil Type Mobil Vactra 2 or ISO 68 Equivalent ii tore 3 2 Quarts Check Add Frequency Daily Change Frequency Annually Checking Oil Level The quick change gearbox has the proper amount of oil when the sight glass shown in Figure 99 is halfway full gt b gight Glass Figure 99 Location of quick change gearbox oi

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