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Southbend SB1012 Lathe User Manual

1. 0 37 Removing Center from Spindle ccccceeees 38 Mounting Center in Tailstock ccccceecee sees 38 Removing Center from Tailstock 00005 38 PS I CS aae E E EA EAA 39 Folow Ro boeren EE EE 39 Compound IGS aisaianrcivatceesccnsccoeiecesanessoncsansesecess 40 Four Way Tool POS Cisscssscescistececoivactamndeisscseeeortens 40 Aligning Cutting Tool with Tailstock Center 41 Aligning Cutting Tool with Tailstock Center 41 Adjustable Apron Stop System seess 42 Carrare SLOD ee aan ae oe eae Er E EESE 42 Mandal Peed seacccayeeeisnnescseguceedcosiectecndsneacstneearese 43 Carriage Hand wheel sccvccesincsedcnsiveciasensvesecswacsodees 43 Compound Slide Handwheel ccccceeeeeee 43 Spindle NC CC ied cerreces sce neue eee ccc sne ee eanese aces 43 Determining Spindle Speed cccsccecescsensees 43 Setting Spindle Speed cccssccecsenccscnsceenees 44 Power POG eesescscccecozdcccddvsdduansoeenebeusscieneisdaxecensaies 44 Power Feed Controls ccssciisxcnessraccssnsnvensenansaaavonee 45 Understanding Thread amp Feed Rate Chart 46 Positioning Gearbox LevefS c cccessecsecseesees 46 End Gear CUD serris a a 417 Threading OU VO Sic visa cc tivecsaevencantiowsscreasstiwenue 48 Power Feed Lever sscccavsdcedivucisnssaiansvansaossavedaanesas 48 Hall Nut EOY eee EE 48 Thread Dial amp Chart Overview c ccceceeeees 48 Using Thr
2. 32 OPERATION For Machines Mfg Since 7 09 6 After the workpiece is held in place by the jaws turn the chuck by hand and pay attention to the workpiece alignment If the workpiece is not correctly aligned for your operation as you turn the chuck make fine adjustments by slightly loosening one jaw and tightening the opposing jaw until the workpiece is correctly aligned see Figure 54 for an example Figure 54 Example of non concentric workpiece correctly mounted on the 4 jaw chuck Tailstock The tailstock Figure 55 on your lathe can be used to support workpieces with the use of a live or dead center refer to Centers on Page 37 It can also be used to drill or bore holes in the center of a part or cut shallow tapers by using the offset adjustment vH a D H i ul x k a i Handwhee 4 Figure 55 Tailstock and quill lock handles in locked position South Bend Lathe Co For Machines Mfg Since 7 09 Moving Along Bedway 1 Pull the tailstock lock lever backward away from the spindle to unlock the tailstock from the bedway Slide the tailstock to the desired position Push the tailstock lock lever forward toward the spindle to lock the tailstock to the bedway Using Quill 1 2 Release the quill lock lever Turn the quill handwheel clockwise to move the quill towards the spindle or turn counterclockwise to move the quill away from the spindl
3. 36 South Bend Lathe Co For Machines Mfg Since 7 09 Centers Figure 65 shows the dead centers included with the lathe In addition an MT 6 MT 4 tapered spindle sleeve is included for mounting centers in the spindle Carbide Tipped Dead Center Dead Center pn p 4 Tapered Sleeve Figure 65 Tapered sleeve and dead centers Dead Centers The dead center achieves more accurate results than a live center but it requires low spindle speeds and a small amount of oil to reduce friction heat that may damage the workpiece Use the dead center in the spindle because the workpiece does not rotate on the tip and does not generate friction Use the carbide tipped dead center in the tailstock where the workpiece will rotate against it and generate friction The carbide tipped dead center can better withstand the effects of friction however the tip of the center must be lubricated to avoid premature wear and maximize smooth operation Also using low spindle speeds will reduce the heat and wear from friction Live Centers A live center has bearings that allow the center tip and the workpiece to rotate together and can be installed in the spindle and the tailstock quill for higher speeds OPERATION EVS Toolroom Lathes Mounting Dead Center in Spindle DISCONNECT LATHE FROM POWER 2 Thoroughly clean and dry the tapered mating surfaces of the spindle bore tapered sleeve and the center making sure
4. 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 e Shafts are made of alloy steel and vacuum heat treated to HRC60 1 for high rigidity and durability e Centers use a combination of roller bearings thrust ball bearings and ball bearings SB1268 Collet Attachment 5 C for SB1012 e Awsheaviatee CNC ih eal d SB1013 B1014 B1015 SB1037 amp SB1038 aang mak athes and high spee Lathes e Waterproof design e 60 centers SB1269 Taper Attachment for SB1012 ea SB1013 B1014 SB1015 SB1037 amp SB1038 Lathes SB1268 SB1269 Figure 103 Model SB1239 High Performance Live Center Figure 102 Collet and taper attachments accessories High Precision 3 Jaw Scroll Chucks SB1266 8 Backplate D1 6 for SB1012 amp S B1307 6 2 Pc Plain Back 1 772 Bore SB1013 Lathes SB1308 7 2 Pc Plain Back 2 283 Bore SB1309 8 2 Pc Plain Back 2 283 Bore SB1267 10 Backplate D1 6 for SB1014 S B1310 9 2 Pc Plain Back 2 756 Bore SB1015 SB1037 amp SB1038 Lathes B1311 10 2 Pc Plain Back 3 504 Bore S B1312 12 2 Pc Plain Back 4 134 Bore S B1313 6 4 Jaw Scroll Chuck Plain Back w 2 Pc Jaws 1 772 Bore B1313 6 Adjustable 4 Jaw Chuck All Steel Body w 2 Pc Jaws and 1 654 Bore 52 South
5. Loosen gib screw s slightly and lubricate bedways Slightly loosen backlash setting Page 66 Lubricate bedways and handles Check for debris clean and retighten Re install cutting tool so no more than of the total length is sticking out of tool holder Tighten gib screws at affected component Replace or resharpen cutting tool Use the recommended spindle speed South Bend Lathe Co 75 EVS Toolroom Lathes TROUBLESHOOTING For Machines Mfg Since 7 09 Symptom Possible Cause Possible Solution Workpiece is 1 Headstock and tailstock are not 1 Realign the tailstock to the headstock spindle bore tapered properly aligned with each other centerline Page 34 Chuck jaws will 1 Chips lodged in the jaws or scroll 1 Remove jaws clean and lubricate scroll plate then not move or do not plate replace jaws move easily Carriage will not 1 Gears are not all engaged 1 Adjust gear levers feed or is hard to 2 Loose screw on the feed handle 2 Tighten E 3 Carriage lock is tightened down 3 Check to make sure the carriage lock bolt is fully released 4 Chips have loaded up on bedways 4 Frequently clean away chips that load up during turning operations 5 Bedways are dry and in need of 5 Lubricate bedways and handles lubrication 6 Carriage stop is interfering 6 Check carriage stop position and adjust it as necessary Page 42 7 Gibs are too tight 7 Loosen gib screw s slightly
6. These Figure 3 Toolbox inventory items MUST be removed before connecting the lathe to the power source South Bend Lathe Co EVS Toolroom Lathes Cleaning amp Protecting The unpainted surfaces are coated at the factory with a heavy duty rust preventative that prevents corrosion during shipment and storage The benefit of this rust preventative is that it works very well The downside is that it can be time consuming to thoroughly remove Be patient and do a careful job when cleaning and removing the rust preventative The time you spend doing this will reward you with smooth sliding parts and a better appreciation for the proper care of the unpainted surfaces Although there are many ways to successfully remove the rust preventative we have cleaned thousands of machines and found the following process to be the best balance between efficiency and minimized exposure to toxic fumes or chemicals Before cleaning gather the following e Disposable rags e Cleaner degreaser certain citrus based degreasers work extremely well and they have non toxic fumes e Safety glasses amp disposable gloves Note Automotive degreasers mineral spirits or WDe40 can be used to remove rust preventative Before using these products though test them on an inconspicuous area of a painted area to make sure they will not damage it AWARNING Gasoline and petroleum products have low flash points and can explode or ca
7. To engage the carriage push the lever to the left and down To engage the cross slide push the lever to the right and up Note Sometimes you need to slightly rotate the handwheel of the component you are trying to engage so that the gears can mesh i n ae 2 Cross Feed l id p g 8 E f ni A a a 8 Y R i N E My eutral Carriage Feed Figure 83 Feed control lever positions To use the quick change feed direction knob While the lathe is running place the feed control lever in neutral Push or pull the quick change feed direction knob to change the direction of the feed rod Re engage the feed direction lever The feed rod rotation will now be reversed causing the engaged carriage or cross slide to move in the opposite direction 45 EVS Toolroom Lathes OPERATION For Machines Mfg Since 7 09 Understanding Thread amp Feed Rate Chart Figure 84 shows the configurations of gearbox levers that are required to set the available feed rates This same chart can also be found on the machine METRIC INCH MODULAR OR TURNING FEED RATE THREADING THREADING DIAMETRAL DIST REVOLUTION mm rl in Ff 7 LAR6V LARSV LBR8V LAR2V LBR6V LBR4V LBR3V LAS6V LBR1V LAS3SV LBS8V LAS2V LBS7V LBS6V LBSSV LBS4V LBS4V LCS2V LBS2V LBS1V LATSV LBT8V LAT2V LBT7V Figure 84 Thread and feed rate chart Positioning Gearbox Levers To cut a particular
8. off the diameter of the stock Figure 62 8 Mount atest or dial indicator so that the plunger is on the tailstock quill Looking down from above Note If necessary in the following step refer to To Set Up the Tailstock to Cut a Shallow Taper on Page 34 for adjusting the tailstock offset Move tailstock toward the back of the lathe the distance of the taper Figure 62 Adjust tailstock away from the operator 10 Repeat Steps 7 9 until the desired accuracy is achieved South Bend Lathe Co 35 EVS Toolroom Lathes OPERATION For Machines Mfg Since 7 09 Faceplate Refer to Chuck amp Faceplate Mounting instructions on Page 27 to mount the faceplate to the spindle The 12 faceplate included with your lathe offers a wide range of uses including machining non concentric workpieces straight turning between centers off center turning and boring The tools needed for mounting a workpiece will vary depending on the type of setup you have AWARNING Failure to properly secure a workpiece to the faceplate could cause the workpiece to be thrown from the lathe with deadly force at the operator or bystanders Use a minimum of three independent clamping devices to hold a non concentric workpiece onto the faceplate AWARNING Machining non concentric workpieces at a high speed could cause the workpiece to be thrown from the spindle with dead
9. Bend Lathe Co For Machines Mfg Since 7 09 EVS Toolroom Lathes SB1247 MT4 Bull Nose Center e Cr Mo steel hardened to HRC60 1 e Taper roller amp ball bearing construction e Great for turning pipes Figure 104 SB1247 MT4 Bull Nose Center B1279 10 Pc Precision 5 C Collet Set Set of 10 collets sized from 34 Same quality as the individual collets only packaged in one convenient set 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 106 Antique finished South Bend shop clocks SBL Gearhead T Shirt SBL One Good Turn T Shirt 100 Cotton preshrunk T shirts available in sizes S M L XL 2XL 3XL G Ti One Good Turn Doserves Another E Figure 107 Official South Bend Lathe T Shirts pa EVS Toolroom Lathes V A N i 7 E N A N c E For Machines Mfg Since 7 09 Maintenance Schedule AWARNING Always disconnect power to the machine before performing maintenance Failure to do this may result in electrocution or accidental startup injury Each operator of this machine is respon
10. 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 A D A N G R Death or catastrophic A C A U TI O Moderate injury or fire harm WILL occur MAY occur AW A R N l N G Death or catastrophic N O TI C E Machine or property harm COULD occur damage may occur Basic Machine Safety 1 Owner s Manual All machinery and 3 Trained Supervised Operators Only machining equipment presents serious Untrained users can seriously injure injury hazards to untrained users To themselves or bystanders Only allow reduce the risk of injury anyone who uses trained and properly supervised personnel THIS item MUST read and understand to operate this item Make sur
11. and sensitive enough to show a distinct movement when a 0 003 shim approximately the thickness of one sheet of standard newspaper is placed under one end of the level See the figure below for an example of a high precision level Figure 10 Example of a precision level 13 EVS Toolroom Lathes PREPARATION For Machines Mfg Since 7 09 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 Figure 11 place them under the six leveling stud locations then adjust the studs to level the lathe Figure 11 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 down Bolting to Concrete Floors Lag screws and anchors or anchor studs below are two popular methods for securing machinery to a concrete floor We suggest you research the many options and methods for securing your machine and choose the best one for your specific application Lag Screw and Anchor IS namie 1 ud ada od vd ddled det ha WESRE ISS SS ole sim elm Se eo Figure 12 Common types of fasteners for bolting machinery to concrete floors NOTICE Most electrical codes require that machines connected to the power source by fixed conduit MUST be secured to the floor Assembly With t
12. camlock studs complete the instructions in Installing and Adjusting Camlock Studs on Page 29 To mount a chuck or faceplate 1 2 DISCONNECT LATHE FROM POWER Lay a chuck cradle see Figure 39 or plywood under the chuck or faceplate and over the bedway to protect the precision ground surfaces from damage and reduce injury if fingers get pinched Clean away debris and oily substances from the mating surfaces of the spindle and chuck or faceplate Inspect and make sure that all camlock studs are undamaged are clean and lightly oiled and that the camlock stud cap screws are in place and snug NOTICE Never install a chuck or faceplate without having the camlock cap screws in place or fully tightened If you ignore this notice the chuck may not be removable since the camlock studs may turn with the camlocks and never release 28 Position the chuck faceplate in front of the spindle nose align the chuck timing marks as shown in Figure 42 and align the cam lock studs with the sockets then carefully insert the chuck or faceplate onto the spindle hy i Chuck Timing Marks Figure 42 Chuck timing marks aligned OPERATION 6 For Machines Mfg Since 7 09 Tighten camlocks in a star pattern to draw the chuck up evenly on all sides while reducing chance of alignment and make sure to tighten camlocks in an incremental manner to ensure that no camlock gets fully tightened all at once
13. carrier or its agent 8 South Bend Lathe Co For Machines Mfg Since 7 09 PREPARATION EVS Toolroom Lathes Inventory Main Inventory 1 Figure 2 Oty A Steady Rest Assembly cccccccceecseeeeeeeees 1 B 12 Faceplate w D1 6 Camlock Stud Set 1 cC 10 Four Jaw Chuck w Combo Jawg 1 D Four Jaw Chuck Key cc ccc ceccceeeee eens 1 E Four Jaw Chuck D1 6 Camlock Stud Set 1 F Follow Rest Assembly cccccccccceeeeeeeees 1 Tool Box Inventory Figure 3 Qty Came 10 0 Bib 0 gt cent nen oer eee en eee nero nr nor Se 1 H Three Jaw Chuck Key ccccccccceeeeeeeees 1 I Tool Post Ta W rene isiaies saaccscceresctscnevsavcecaecanss 1 J Hex Wrench Set 1 5 10mm 0 ee 1 K Dead Center MT 4 ccc ecccesecceeeeeeees 1 L Carbide Tipped Dead Center MT 4 1 M Tapered Spindle Sleeve MT 6 4 1 N Open End Wrench 22 24mm ccce000 1 O Open End Wrench 14 17mm 664 1 P Open End Wrench 10 12mm 46 1 Q Phillips Screwdriver 2 ccccccceeeceeeeeees 1 R Standard Screwdriver 2 ccccccseceeeeeees 1 S 9 Chuck Jaws SB1014 15 SB1037 38 3 8 Chuck Jaws SB1012 18 ee 3 T Cast Iron Leveling Pads eee eeeeees 8 U Handwheel Handles 2 Note Some inventory components may be shipped inside of the lathe electrical box
14. collar Feed r od CI utch adjustment hole shown in Figure 135 and use the wrench to rotate the clutch collar Adjustment This lathe has an adjustable feed clutch that helps protect the drivetrain from overload The feed clutch release point is adjusted at the factory However it can be easily adjusted depending on operator requirements If you need to increase the release point rotate the clutch collar upward If you need to decrease the release point rotate the clutch collar downward Tools Needed Qty Phillips Screwdriver 2 ccccccssecceeceenceeeceeees 1 Hex Wrench 3mm 2 cccecececcccccccececececececesess 1 To adjust the clutch release point 1 DISCONNECT LATHE FROM POWER Collar Adjustment Hole DAUT i a 2 Remove the front and side feed access covers as shown in Figure 133 Figure 135 Feed clutch set screw alignment 5 Line up the set screw hole in the clutch collar with the closest set screw slot that is cut into the feedrod see Figure 135 6 Install and tighten the set screw so it is fully seated in the slot 7 Re install both access covers Figure 133 Feed access covers removed 3 Remove the clutch collar set screw as shown in Figure 134 Figure 134 Removing set screw from clutch collar 68 South Bend Lathe Co For Machines Mfg Since 7 09 sS E RV c T EVS Toolroom Lathes V Belts V belts stretch and wear with use so check them o
15. 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 Lathe you now join the ranks of some very famous and important customers such as Henry Ford who used the machines he purchased to help him change the world Capabilities These EVS Toolroom 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 As the name implies these lathes feature EVS Electronic Variable Speed spindle control which allows the operator to quickly set the exact spindle speed within the available range of 20 2500 RPM Spindle speed is displayed on a digital readout and controlled within each speed range with the use of a dial no changing gears or loo
16. 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 unfamiliar increases the risk of injury If you experience difficulties performing the intended operation STOP Seek an a
17. occur if machine is ungrounded incorrectly connected to power or connected to an undersized circuit Use a qualified electrician to ensure a safe power connection Once all preparation steps previously described in this manual have been completed the machine can be connected to the power source In order to be connected to the power source a circuit must be installed prepared that meets the requirements of the lathe and a power connection method must be established for that circuit The following lists show the minimum requirements for each model and instructions follow for each connection method Note About Power Cords Using an incorrectly sized cord causes electrical components on the machine and the cord to become very hot which will greatly decrease the life of electrical components or result in fire For best results use the shortest length of cord possible for your machine and never use a smaller cord gauge than the specified minimum South Bend Lathe Co PREPARATION EVS Toolroom Lathes NOTICE This machine is equipped with a frequency drive that contains sensitive electronics which can be damaged by a phase converter DO NOT use a phase converter to power this machine Doing so will void the warranty SB1012 220V 3 Phase Full Load Amp Draw eccerre 15 7 Amps PPG BO EE A EAE 3 Phase BOQ UCI Cy cco ses edesnsesessscsacencanioinn oceetoaaatean essen 60 Hz Minimum Circuit Size oseere 20 Am
18. oilers clean the outside surface to remove any dust or grime push the ball with the tip of the oil can nozzle and squirt a small amount inside If the lathe is in a moist or dirty environment increase the oiling interval 60 Cleaning Electrical Box Filter The door of the electrical box contains an air filter Figure 120 to prevent dust from entering the box as the cooling fan pulls in cool air to reduce heat The air filter should be cleaned on a monthly basis to ensure proper air circulation in the electrical box A clogged air filter will not allow the cooling fan to do its job which could result in a decreased lifespan of the electrical components Cooling Fan Filter Figure 120 Electrical box cooling fan and filter To clean the filter 1 DISCONNECT LATHE FROM POWER 2 Put on a dust mask or respirator to reduce your risk of inhaling fine dust 3 Open the electrical box door and remove the electrical box air filter 4 Use compressed air to blow dust out of the filter Make sure to blow the dust from the clean side the side facing inward of the filter so you do not drive dust farther into the filter 5 Re install filter and close electrical box door South Bend Lathe Co For Machines Mfg Since 7 09 E V A N i 7 E N A c A EVS Toolroom Lathes End Gearing Grease Type esseceeseesresscesrersessceseesseeseess NLGI 2 Frequency 066 Annually or When Swapping The end g
19. on the scale represents the actual distance the tool moves which will remove twice as much material from the diameter of the workpiece The base of the compound slide has another graduated scale used for setting the tool to a specific angle To set the compound slide at a certain angle 1 Loosen the two hex nuts at the base of the compound slide 1 of 2 shown in Figure 71 aja Figure 71 Compound slide set at an angle 2 Rotate the compound to the desired angle as indicated by the scale at the base then retighten the two hex nuts Tip The first time you set the angle of the compound rest for cutting threads mark the location on the cross slide as a quick reference point This will allow you to quickly return the compound rest to that exact angle the next time you need to cut threads 40 OPERATION For Machines Mfg Since 7 09 Four Way Tool Post The four way tool post is mounted on top of the compound slide and allows a maximum of four tools to be loaded simultaneously The four way tool post allows for quick indexing to different tools which is accomplished by loosening the top handle rotating the tool post to the desired position then re tightening the handle to lock the tool into position Tool Needed Tool Post T Wrench cccccecscsscecececosesecsceenes 1 To load the tool post 1 Choose the desired cutting tool 2 Loosen the tool post bolts so that the cutting tool can f
20. or if the lathe does not function as described in this section If you need additional help after reviewing the troubleshooting section or you are not confident troubleshooting the machine on your own contact our tech support at 360 734 1540 To test run your machine 1 Read and follow the safety instructions at the beginning of the manual take required safety precautions and make sure all previous preparation steps discussed in this manual have been followed and completed 2 Clear away all tools and objects used during assembly lubrication and preparation 3 DISCONNECT LATHE FROM POWER 4 Make sure that the chuck and jaws if installed are secure refer to Chuck and Faceplate Mounting on Page 27 Note If a chuck is not installed on the lathe you do not need to install one for this test 5 Turn the pump switch Figure 17 to the OFF position and point the fluid nozzle into the chip drawer South Bend Lathe Co 17 EVS Toolroom Lathes PREPARATION For Machines Mfg Since 7 09 9 Move the feed direction forward reverse lever to the middle neutral position as shown in Stop Button Figure 20 Pump Switch lt FORWARD alti EXCEED SPINDLE SPE OF 330 RPM FORWARD TTT freee 4 bet g UL Figure 17 Control panel test run 6 Turn the spindle speed dial Figure 18 all the way counterclockwise lowest speed to avoid possibility of a high speed start Figure 20 Feed direct
21. sure the gap is still aligned adjust if necessary then install the two way set screws 73 EVS Toolroom Lathes TROUBLESHOOTING For Machines Mfg Since 7 09 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 860 734 1540 Machine does not start or a circuit breaker trips Loud repetitious noise coming from lathe at or near the motor Motor overheats Motor is loud when cutting or bogs down under load Possible Cause First time operation only Lathe is wired out of phase Emergency stop push button is engaged or at fault Spindle ON OFF switch is at fault Power supply is switched OFF at main 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 due to thermal overload One or more kill switches are engaged Thermal overload relay has tripped Motor connection wired incorrectly Oil pump motor operating but no oil is seen pumping in sight glass Limit kill switch at fault Contactor not getting energized has burnt contacts Wiring is open has high resistance Motor is at fault Frequency drive unit is at fault Pulley set screws or keys are missing or loose Motor fan is hitting the cover Motor overloaded Frequency drive unit is at fault Excessive depth of cut or feed ra
22. that no lint or oil remains on the tapers 3 Insert the center into the sleeve then insert the sleeve into the spindle bore through the chuck or faceplate Figure 66 shows an example of the dead center installed in the spindle using a lathe dog and faceplate for turning between centers Dead Center Figure 66 Example of using a dead center with a faceplate and lathe dog 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 South Bend Lathe Co 37 EVS Toolroom 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 then tap the sleeve loose Note Hold onto the sleeve and center as you tap them loose to avoid dropping them and damaging the tip of the center or the bedways Mounting Center in Tailstock Either a dead center or live center can be mounted in the tailstock Mounting instructions are the same for both Figure 67 shows an example of a dead center mounted in a tailstock Dead Center Figure 67 Example of using a dead center installed in the tailstock 38 OPERATION For Machines Mfg Since 7 09 To mount a center in the tailstock 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean and dry the tapered mat
23. the bed Way End Cap Screw ii Figure 151 Fasteners holding gap in place South Bend Lathe Co 2 Remove the two way end cap screws and way set screws shown in Figure 151 3 Tighten the two dowel pin jack nuts Figure 151 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 then remove it To re install the gap 1 Use mineral spirits and a clean lint free rag to clean the mating surfaces of the gap bed and ways If necessary stone the mating surfaces to remove scratches dings or burrs 2 Wipe a thin layer of light machine oil on the mating surfaces 3 Place the gap insert into the gap and use a block of wood or dead blow hammer to align the insert with the lathe bed 4 Back off the dowel pin jack nuts and tap the dowel pins back into their respective holes until seated This process will further help align the gap insert and bed mating surfaces 5 Install all fasteners except the way set screws and lightly snug them in place 6 Mount a base mounted dial indicator to the top of the saddle to indicate alignment First test the peak of the two prisms the saddle rides on then test the flanks of the prisms Jack the insert up or down by tightening or loosening the gap bed cap screws 7 Alternately tighten the fasteners and tap the side of the gap insert into alignment 8 Inspect the gap position 24 hours later to make
24. the proper PPE personal protective equipment such as splash resistant safety glasses long sleeve gloves protective clothing and a NIOSH approved respirator AWARNING BIOLOGICAL amp POISON HAZARD Use the correct personal protection equipment when handling cutting fluid Follow federal state and fluid manufacturer requirements for proper disposal Pump Switch Jo ze val Valve Adding Fluid 1 DISCONNECT LATHE FROM POWER Catch Tray Chip 2 Remove the vented cover and slide the tank Drawer Pump amp Tank Behind nga this Vented Cover out as shown in Figure 123 Figure 122 Cutting fluid system components and locations Although most swarf from machining operations falls into the chip tray and stays there some small chips drain into the tank The pump uses a screen to prevent it from picking up the small swarf that ends up in the tank P Since the swarf is spread throughout the coolant system cleaning the system on a regular basis is a requirement to maintain the life of the pump Figure 123 Cutting fluid pump and tank 3 Pour cutting fluid in the tank until it is nearly full 4 Slide the tank back into the base and replace the vented cover 62 South Bend Lathe Co For Machines Mfg Since 7 09 E V A N i 7 E N A N c A EVS Toolroom Lathes Changing Cutting Fluid When you replace the old cutting fluid take the time to thoroughly clean out the chip drawer catch tray and flui
25. thread or establish a particular feed rate you may need to first swap the gearbox drive gear depending on where it is currently set refer to End Gear Setup on Page 47 Once you have confirmed that the end gear is set up properly you can then move the gearbox levers to the required positions The arrows going from Figure 84 to Figure 85 show which gearbox levers must be moved to achieve an example feed rate 46 South Bend Lathe Co LBT6V LBT5V LBT4V LBT3V LBT2V LBT1V HAS3V HBS8V HBS6V HBS3V HBS2V HBS1V HAT3V HBT8V HBT7V HBT6V HBTSV HBT4V HBT3V HBT2V HBT1V HCT6Z HCS1Z HCS3Z HCS6Z HCS8 amp Z HCR1Z 9 HCR2Z 1 0 HCR3Z 1 25 HCS3Y 1 5 HCS6Y 1 75 HCS8Y 2 0 HCRIY 2 25 HCR2Y 2 5 HCRSY 2 75 HCR4Y 3 0 HCR6Y 3 25 HCR7Y 3 5 HCR8Y 0022 0033 ame KVATT TTT TITTY piv EEEE EAT Figure 85 Gearbox levers set for a feed rate of 0 014 0 35mm For Machines Mfg Since 7 09 End Gear Setup The gearbox drive gear on this lathe can be configured for the normal position or the alternate position both described in following paragraphs depending upon the type of operation to be performed The lathe is shipped with the end gears in the normal position Gears must be thoroughly cleaned and re coated in grease before installing refer to Page 61 and the backlash must be maintained at 0 005 for correct meshing Normal Position The 24T end gear is instal
26. to operating temperature then drain and refill the all gearboxes with fresh oil Note During extended storage more than two years any component above the oil level may rust from condensation We recommend overfilling any sealed gearbox However over time there will be some seepage around some shafts and seals If any gearbox is overfilled make sure to put a tag on the controls as a reminder for the maintenance person to correct the oil level before starting the machine If a gearbox cannot be overfilled every few months manually rotate the shaft or spindle to coat any exposed gears with oil Pump out the old cutting fluid and flush the lines and tank with warm soapy water DISCONNECT LATHE FROM POWER Thoroughly clean all unpainted bare metal surfaces then apply a liberal coat of way oil a heavy grease or rust preventative Take care to ensure these surfaces are completely covered but that the rust preventative or grease is kept off of painted surfaces Lubricate the machine as outlined in the lubrication section Loosen or remove machine belts so they do not become stretched during the storage period Be sure to also affix 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 and place the machine in a dry area that is out of direct sunlight and away from hazardous fumes pain
27. with hook and chain 7 Unbolt the lathe from the shipping pallet then with an assistant to help keep the lathe from swaying raise the lathe a couple of inches If the load is not well balanced or you see any other difficulties with the lifting equipment immediately lower the lathe to the pallet again Resolve any lifting or balancing issues then repeat this step 8 With assistance to steady the load move it to the prepared location and lower it in place South Bend Lathe Co PREPARATION EVS Toolroom Lathes Leveling amp Mounting You must level your machine and either use the included foot pads and leveling hardware or bolt 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 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 an unleveled machine may slowly twist due to the dynamic loads placed on the machine during operation For best results use a precision level that is at least 12 long
28. y eer iE E EN 1 Removing Chuck or Faceplate 1 DISCONNECT LATHE FROM POWER 2 Lay a chuck cradle see Figure 39 or plywood under the chuck or faceplate and over the bedway to protect the precision ground surfaces from damage and reduce injury if fingers get pinched Figure 39 Wooden chuck support cradle South Bend Lathe Co OPERATION 3 EVS Toolroom Lathes One at a time use the chuck key to turn each of the camlocks counterclockwise until the cam line aligns with the cam release datum line as shown in Figure 40 As you turn the camlocks they will rise up slightly from the spindle body Cam Release Datum Line Cam Line Figure 40 Camlock loosened with the cam line aligned with the datum line Remove the chuck key then use a dead blow hammer or a wood block to lightly tap around the circumference of the chuck or faceplate to break it free from the spindle taper and camlock sockets Be sure to support the bottom of the chuck With a rocking motion carefully remove the chuck or faceplate from the spindle nose as shown in Figure 41 making sure to support the weight with an adequate chuck cradle Figure 41 Example of removing a 3 jaw chuck from a spindle nose 27 EVS Toolroom Lathes Mounting Chuck or Faceplate The 4 jaw chuck is shipped with six camlock studs that must be installed before the chuck can be mounted as explained in this procedure If you have not yet installed the
29. 14 amp 16 EVS TOOLROOM LATHES MODELS S B1012 SB1014 SB1037 220V MODELS B1013 SB1015 SB1038 440V OWNER S MANUAL south Bend Lathe Co Hundreds of Thousands of Lathes Sold With a Tradition of Quality Siuce 1906 March 2010 by South Bend Lathe Co For Machines Mfg Since 7 09 Scope of Manual This manual helps the reader understand the machine how to prepare it for operation how to control it during operation and how to keep it in good working condition We assume the reader has a basic understanding of how to operate this type of machine but that the reader is not familiar with the controls and adjustments of this specific model As with all machinery of this nature learning the nuances of operation is a process that happens through training and experience If you are not an experienced operator of this type of machinery read through this entire manual then learn more from an experienced operator schooling or research before attempting operations Following this advice will help you avoid serious personal injury and get the best results from your work Manual Feedback We ve made every effort to be accurate when documenting this machine However errors sometimes happen or the machine design changes after the documentation process so the manual may not exactly match your machine If a difference between the manual and machine leaves you in doubt contact our customer service for clarification We highly value c
30. 35 Carriage controls G 4 Position Tool Post Lever Locks the rotary tool post in four possible detents South Bend Lathe Co For Machines Mfg Since 7 09 Cutting Fluid Flow Control Lever Controls the flow of cutting fluid from the nozzle Compound Slide Handwheel Moves the compound slide forward or backward Includes an indirect read graduated scale distance represents actual tool movement not amount of material removed Carriage Lock Bolt Secures the carriage in place for greater rigidity and accuracy when using the cross or compound slide for the machining operation Thread Dial Indicates when to engage the half nut during threading operations Thread Dial Chart Indicates on which thread dial reading to engage the half nut for specific inch or Whitworth thread pitches Spindle ON OFF Lever Starts stops and reverses direction of spindle rotation Half Nut Lever Engages and disengages the half nut for threading operations Apron Houses the carriage gearing and internal components Quick Change Feed Direction Knob Changes apron feed direction without having to stop the lathe and move the headstock feed direction lever Feed Control Lever Engages and disengages the cross feed and carriage feed gearing Manual Carriage Oil Pump Draws oil from the apron case and lubricates the carriage and ways through various oil ports Cross Slide Handwheel Moves the cross slide toward or away from the workp
31. 5 Remove the vented cover shown in Figure 122 and slide the tank half way out of the base as shown in Figure 123 If necessary disconnect fluid hose from pump where shown in Figure 124 South Bend Lathe Co Note The electrical conduit was purposely left long so the tank can be removed without disconnecting wires from the pump Do not disconnect electrical lines Fluid Hose ee T H li id Figure 124 Fluid hose that may need to be disconnected in order to remove tank for cleaning 6 Pour out the remaining cutting fluid into your 5 gallon bucket and close the lid Wipe up the layer of swarf residue on the bottom of the tank and put the waste in the second 5 gallon bucket Flush out the tank with soapy water and drain into the second 5 gallon bucket 8 Slide the tank partially into the base and reconnect fluid hose if removed Tip Leave one or more magnets at the bottom of the tank to collect metal chips and make cleanup easier next time 9 Refill the tank with new cutting fluid then slide the tank completely into the base 10 CONNECT LATHE TO POWER 11 Open the valve on the cutting fluid nozzle 12 Turn the cutting fluid pump ON to verify that fluid cycles properly then turn it OFF Note It may take a few seconds for the pump to start circulating fluid however if fluid does not start coming out within the first minute turn the pump OFF so you do not burn out the pump motor Try prim
32. ANTY 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 Bellingham WA 98227 PHONE 360 734 1540 Administrative Office
33. Mfg Since 7 09 Lubrication Headstock Oil Type Mobil DTE Light or ISO 32 Equivalent Ol POU eresien E EEEE 7 5 Liters Check Add Frequency neeese Daily Change Frequency ccccceeccesseeeeeeeees Annually The headstock lubrication system is the most important lubrication system on the machine It consists of an electric oil pump a low oil pressure kill switch a holding tank oil lines and a distribution manifold The headstock has a series of oil lines that direct oil to key locations such as the spindle bearings and headstock gearing to ensure that they always remain well lubricated The oil pump automatically turns ON and begins oiling the headstock components when the main power switch is turned ON and the emergency stop button is reset The oil is pumped before the spindle is started to protect the spindle bearings against potential damage from dry starts Checking amp Adding Oil The sight glass on the side of the headstock oil tank shown in Figure 109 shows the oil level and temperature the bottom line represents the minimum oil level and the top line represents the maximum oil level The lathe must be powered down and stopped when to get an accurate reading on the oil level Headstock lank Figure 108 Headstock oil tank amp components When the oil level approaches the minimum line add enough oil to bring it up to the maximum line 56 Monitoring Oil Temperature During operations r
34. Page 66 8 Gears or shear pin broken 8 Replace gears or shear pin Page 71 Gear change levers 1 Gears not aligned inside headstock 1 Rotate spindle by hand with light pressure on the will not shift into lever until gear falls into place position Headstock oil 1 For first time operation only the 1 Correct out of phase wiring refer to Page 17 for does not flow or lathe is wired out of phase details circulate properly 2 Emergency stop push button is 2 Rotate button clockwise until it pops out to reset it engaged or at fault for operation replace if not working properly 3 Power supply is switched OFF at 3 Make sure main power switch and circuit breaker main power switch or breaker are turned ON 4 Insufficient oil level in headstock 4 Add oil to the headstock oil tank refer to oil tank or incorrect oil used in Headstock Checking amp Adding Oil on Page 56 headstock oil tank for details Make sure to use the correct type of oil 5 Suction screen clogged 5 Clean suction screen see Figure 111 on Page 57 6 Pinched damaged oil line 6 Trace oil lines to inspect and replace pinched damaged line 7 Suction side of pump drawing air 7 Locate leak and reseal replace affected components 8 Leak in distribution manifold 8 Locate leak and reseal replace affected components located inside headstock 9 Pump motor at fault 9 Replace repair pump motor 76 South Bend Lathe Co WARRANTY RR
35. acivctecsansss 8 Preparation OVELVICW ccccccceseccessceseceeeeceeeees 8 Things Youll Need vec crsccctduvcean cacanecsinesuteacciaacccaat 8 MD A AC NS earr AEA AR 8 MEOE eee mre ee eR 9 Cleaning amp Protecting vied nteeesaeeendetncectonnie 10 LOA O e E EEA S 11 Physical Environment sesesseeesessseeresereseseee 11 Electrical Installation oe ee 11 Lo e A E EE 11 Morne OAC aA EA 11 Space Allocation sss sisssssscsisrssssitorissesensrssesssa nessi 11 lLiftioe amp MOVIN e ee eee ee r 12 Leveling amp Mounting seseeescesscserersrrrerrsreerens 13 ECV A e E A E 13 Bolting to Concrete FIOOPS cccceceececeeeeceeees 14 ASSI ER NEERA 14 L bricatiog Orc 0 eee ene eee n 14 Adding Cutting EOI aie cctecencccncawcanceesecceeccsutueann 15 Power Connection ws Siceccccdsunaiezseaataseacecssnadardecntes 15 rs POT 220 Va aes senesine 15 SB1014 SB1037 220V 3 Phase ccceecce eens 15 PB LOIS 440V S PHASE iccccadisenstaviavevacersanardemasservars 15 SB1015 SB1038 440V 3 Phase cccceeeceeees 15 Connecting Power Cord to Lathe 0068 16 Hardwiring Lathe to Power Source 0008 16 Correcting Out of Phase Wiring cceeceeee 17 TEC IN Ci AE E cues 17 no Nee Cowl oq evel cal b 4 eee ae ane 21 Recommended Adjustments ccccseceeeeeees 22 OPERATION scssisvscdessesicasevecsccssnescsnescsccesesasccsnveoess 23 Operation OVerview ccccccc
36. adjust the brake and brake switch 1 DISCONNECT LATHE FROM POWER 2 Put on a respirator and eye protection to protect yourself from hazardous brake dust 3 Remove the motor cover shown in Figure 136 4 Measure the remaining brake band lining at the thinnest point which is usually at the 8 o clock position as shown in Figure 138 Figure 138 Minimum brake band lining thickness When the brake band is new the lining is approximately 6mm thick If the lining thickness wears to 3mm or less the brake band must be replaced otherwise the rivets that secure the lining to the band will soon grind into the brake hub If the hub becomes damaged it must be replaced which will substantially increase the cost of repair compared to just replacing the brake band 69 EVS Toolroom Lathes SI E RV G E o For Machines Mfg Since 7 09 5 Remove pedal stop shown in Figure 139 6 Move the brake band to the right one hole and re install the pedal stop tightening it until it is just snug If installing a new brake band install the cap screw so there is one hole to the left for future brake adjustment Move Brake Band tojthe_ 2 L ee in af p gt a a ma nn EE a a z Move PedalistoplitetitomRight y Adjust Height Plunger and Cam Lobe Figure 141 Motor kill switch 11 Push the pedal lever down to verify that the cam lobe pushes the kill switch plunger in When pushed in the sw
37. appropriate cutting fluid 2 Position the cutting fluid nozzle for your operation 3 Use the control panel cutting fluid pump switch to turn the coolant pump ON Refer to Cutting Fluid System on Page 62 for detailed instructions on how to add or change cutting fluid Check the cutting fluid regularly and promptly change it when it becomes overly dirty or rancid or as recommended by fluid manufacturer Adjust the flow of cutting fluid by using the valve lever near the base of the nozzle hose Note Promptly clean any splashed cutting fluid from the floor to avoid a slipping hazard Water Synthetic Sulferized Mineral ombece Soluble Oil Coolants Oil Oll Aluminum Bronze Cast iron Low Carbon Steel Alloy Metals Stainless Steel General Note Cutting fluids 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 101 Cutting fluid selection table South Bend Lathe Co 51 EVS Toolroom Lathes A Ei i ESS D T ES For Machines Mfg Since 7 09 SB1239 MT 4 High Performance Live Center Accessor Ies South Bend brand live centers are the best cen ters in the industry made with pride and uncom This section includes the most common a promising quality
38. ash is high Lead screw mechanism worn or out of adjustment Dovetail slides loaded up with shavings dust or grime Gib screws are too tight Backlash setting too tight cross slide only Bedways are dry Tool holder not tight enough Cutting tool sticks too far out of tool holder lack of support Gibs are out of adjustment Dull cutting tool Incorrect spindle speed or feed rate TROUBLESHOOTING EVS Toolroom Lathes Possible Solution Re install workpiece as centered with the spindle bore as possible Tighten replace the belt as necessary Page 69 Align the V belt pulleys Inspect gears and replace if necessary Rebalance chuck or faceplate contact a local machine shop for help Adjust gears and establish backlash Replace broken gear or bearing Stop lathe immediately and correct interference problem Rest spindle bearing preload or replace worn spindle bearings Adjust for appropriate spindle speed and feed rate Sharpen tooling or select a better tool for the intended operation Adjust tool height to center line Page 41 Tighten gibs Page 66 Turn the quill handwheel until it forces taper out of quill Clean the taper and bore and re install tapered tool Tighten gib screw s See Page 66 Tighten handwheel fasteners adjust handwheel backlash to a minimum Adjust leadscrew to remove endplay Page 66 Remove gibs clean ways dovetails lubricate and readjust gibs
39. ate 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 11 12 13 14 15 16 Chuck Keys or Adjusting Tools Tools used to adjust spindles chucks or any moving rotating parts will become dangerous projectiles
40. ce on the collar reflects the amount removed from the diamter of the workpiece Compound Slide Handwheel The compound slide handwheel controls the position of the cutting tool relative to the workpiece The compound is adjustable for any angle within its range Angle adjustment is secured by two nuts on the base of the compound The graduated scale reads in 0 001 increments and is a indirect read which means that the distace on the collar reflects the distance that the tool moves South Bend Lathe Co OPERATION EVS Toolroom 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 operations but the two most important are the recommended cutting speed for the workpiece material and the diameter of the workpiece as noted in the formula shown in Figure 78 Recommended Cutting Speed FPM x 12 SpindleSpeed RPM Dia of Cut in inches x 3 14 Double if using carbide cutting tool Figure 78 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 a
41. cececececess 1 Hex Wrench 5mm oui c eee ecececececescccecececececececesess 1 Backlash is adjusted by loosening all four cap screws shown in Figure 126 and then tightening the center set screw which pushes down on a wedge and forces the nut apart taking up lash in the nut and leadscrew 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 handle slowly back and forth until the handle turns freely To re adjust the backlash rock the handle back and forth and tighten the set screw slowly until the backlash is at approximately 0 001 as indicated on the handwheel dial Cap Screw Figure 126 Cross slide backlash adjustment screws 65 EVS Toolroom Lathes SI E RV G E For Machines Mfg Since 7 09 Leadscrew End Play Adjustment After a long period of time you may find that the leadscrew develops a small amount of end play This lathe is designed so that leadscrew end play can be easily removed with adjustment Tools Needed Qty Open End Wrench 1 sessesscscreescrerrserrerererseresss 1 Hex Wrench 3mm 00 0 0 cece cecceceecsecesceccscescescesesens 1 Hex Wrench 5mm ooossssssssssssessssssssesesesssessssssssssese 1 To remove leadscrew end play 1 DISCONNECT LATHE FROM POWER 2 Remove the three cap screws and end cover 3 Loosen both retaining nut set screws shown in Figure 127 Retainer Nut with Set f Screws Fi
42. cross 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 All of these sources will help you take into account all the applicable variables in order to determine the best spindle speed for the operation 43 EVS Toolroom Lathes Setting Spindle Speed 1 Make sure the spindle is turned OFF and it has come to a complete stop 2 Use the chart in Figure 79 to determine the available spindle speed range closest to your calculated spindle speed SPEEDS LEVER RPM Low 20 400 400 2500 Figure 79 Spindle speed range chart NOTICE If the headstock is in high range 400 2500 RPM and if the spindle speed dial is turned completely to the left the tachometer may show a speed lower than the 400 RPM listed on the headstock label This headstock label indicates the allowable spindle speed for cutting operations within that range If the lever is in high range do not attempt cutt
43. csecceseceeeeceseceenseees 23 Description of Controls amp Components 24 Main Power Switch ccceccececcccceccececcecceccecs 24 Headstock Contr S vccecsccaseccdacses nc eoecsvcedssaveacentoue 24 Carriage Controls sssssscisissississisriicsrsesseu isdesidei 24 Control Panel sesrnrenrstneri nieron 25 Tailstock Control ssssssricre nari enis r 26 Foot Ere eee a E eee 26 Chuck amp Faceplate Mounting oseere 2 Removing Chuck or Faceplate ceeeeeees 27 Mounting Chuck or Faceplate cceececeeees 28 Installing and Adjusting Camlock Studs 29 AWC NC E enn E E ET 30 Changing Jaws es Un irii l Mounting WOrk P1666 osicsesccnsdsancccveccdedcevsscasanseee ol AN AW TBC cp heoat uses saseon de ctaneesrocteieeseee ab eacctein 32 Mounting WOrk P16 CG ccsisiesicnsdsanceaseucscnvesawenexiaees 32 TOE eE REE E E 32 Moving Along Bedway csscissccnsdsaecesveccdedccvsscssacsates 33 Ora ea i appears ert P A 39 Installing Tooling ccscaccvcsatescensoetess eeeatessensiiess 33 Removing Tooling pd oven canseeaceessntecssudomennsestasesiees 39 OOE eare E e AEE EE 34 POTN arre EE E E N 34 FACS OG aes ae csreccta setter od E A A 36 Mounting Workpiece with Clamps 00085 36 Mounting Workpiece Between Centers 36 2 0 bc Eee ee ene eee eee ee 37 Dead Centers serras n iiei 37 Live Centers et oceans a cetincgccas se eie cess oes Sii 37 Mounting Dead Center in Spindle
44. d its components 3 Identify an acceptable location for the lathe and move it to that location 4 Level the lathe and either bolt it to the floor or place it on mounts 5 Assemble the loose components and make any necessary adjustments or inspections to ensure the lathe is ready for operation 6 Connect the lathe to the power source 7 Test run the lathe to make sure it functions properly and is ready for operation PREPARATION For Machines Mfg Since 7 09 Things You ll Need To complete the preparation process you will need the following items For Lifting and Moving e A Forklift or Other Power Lifting Device rated for at least 5000 lbs e Lifting Strap or Chain with Hook rated for at least 5000 lbs e Helper for moving machine e Two 12 2x6 s e Precision Level For Power Connection e A qualified electrician to ensure a safe and code compliant connection to the power source Refer to Page 15 for details For Assembly Cotton Rags Mineral Spirits Quality Metal Protectant Oil Safety Glasses Wrench or Socket 21mm Wrench or Socket 19mm Floor Mounting Hardware as Needed Standard Screwdriver 2 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
45. d tank The entire job only takes about a 1 2 hour when you are prepared with the proper materials and tools Used cutting fluid is hazardous Follow all applicable regulations for storage and disposal Items Needed Qty Safety Wear See Hazards section on Page 62 New Cutting Fluid l 3 Gallons Empty 5 Gallon Bucket w Lid eecceeeeees 2 Phillips Screwdriver 2 cnccdvnccsmencvassessncnivacnesexenssaes 1 E E E TA 1 Disposable Shop Rags Approximately 6 Hose or Tubing x 60 optional 1 Piece Magnets optional As Many As Desired To change the cutting fluid 1 Position the coolant nozzle over the splash guard so it is pointing behind the lathe If you have the optional hose connect it to the end of the coolant nozzle now 2 Place the 5 gallon bucket behind the lathe and underneath the coolant nozzle If you have the optional hose place the hose in the bucket Otherwise you may need to hold the bucket up to the coolant nozzle to prevent coolant from splashing outside of the bucket 3 Turn the cutting fluid pump ON or have another person turn it ON if you are holding the bucket and pump the old cutting fluid out of the tank Turn the pump OFF immediately after fluid stops flowing NOTICE Running the pump without adequate fluid in the tank may permanently damage it This is abuse and not covered by the warranty 4 DISCONNECT LATHE FROM POWER
46. d use the steady rest roller positions can be adjusted 1 DISCONNECT LATHE FROM POWER 7 Use the finger adjustment knobs to just touch the finger rollers against the workpiece without causing workpiece deflection 2 Thoroughly clean the machined base of the steady rest then place it on the lathe bedways so the triangular notch fits over the bedway prism 8 Tighten the three wing bolts 3 Position the steady rest where required to properly support the workpiece then tighten the hex nut shown in Figure 68 to secure it in place sen SS Follow Rest aaa Adjustment The follow rest mounts to the saddle with two cap screws Figure 70 It is used on long slender parts to prevent workpiece flexing from the pressure of the cutting tool during operation Adjust the sliding finger rollers on the follow rest in the same manner as those on the steady rest a Hex Nut Note The finger rollers should properly support the workpiece but allow it to freely rotate Finger Roller DS anpes Figure 68 Steady rest components 4 Loosen the lock knob and open the steady rest so the workpiece can rest on the bottom two finger rollers as shown in Figure 69 Figure 70 Follow rest attachment Figure 69 Workpiece mounted in the steady rest South Bend Lathe Co 39 EVS Toolroom Lathes Compound Slide The compound slide handwheel has an indirect read graduated scale This means that the distance shown
47. dding Oil To check the oil level remove the fill plug and look inside the reservoir Figure 116 The oil level must remain full to keep the leadscrew bearing adequately lubricated Pour oil in the reservoir until it is as full as possible without overflowing Fill Plug Leadscrew 1 S za aL Oil Reservoir amp Leadscrew Bearings Figure 116 Leadscrew lubrication Lead Screw Oil Type Mobil Vactra 2 or ISO 68 Equivalent Oil Amount eeseeoseeeseesseesseesseesseesseesssees As Needed Lubrication Frequency Daily Before lubricating the leadscrew Figure 116 clean it first with mineral spirits A paint 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 oil along the length of the leadscrew Use a paint brush to make sure the oil is evenly applied and down in the threads South Bend Lathe Co Ways amp Slides The way pump shown in Figure 117 lubricates the saddle and cross slide way guides with the oil from the apron reservoir To use the way pump to lubricate the ways pull the pump knob out for two or three seconds and then push it in The pump draws oil from the apron reservoir and then forces it through drilled passages to the way guides Repeat this process and move the carriage left right and the cross slide forward backward to distribute oil along the way guides Lubricate the guides
48. djustment 00 66 Gib Adjustment eee oe ee er re 66 Half Nut Adjustment cccccccccccseceeseeeeeeeees 67 Feedrod Clutch Adjustment ccccceeeceeees 68 BY 1 CIS acco EE EEE O A A 69 Brake amp Switch eesseeecesceesreeresscesrrsscesrersrreersss 69 Leadscrew Shear Pin Replacement 71 Gap Removal amp Installation eee 13 TROUBLESHOOTING cccccsssccssscccsscccssscoscses 74 16 South Bend Precision Toolroom Lathe Circa 1958 For Machines Mfg Since 7 09 INTRODUCTION EVS Toolroom Lathes About These Machines 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 lathes represented in this manual are 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
49. e Push the quill lock forward to lock the quill in place Installing Tooling The tailstock quill can hold live or dead centers refer to Mounting Center in Tailstock on Page 38 or any MT 4 taper tooling such as a chuck arbor or tapered drill bit see Figure 56 MT 4 Taper Figure 56 Inserting drill chuck arbor or tapered drill bit into tailstock South Bend Lathe Co OPERATION EVS Toolroom Lathes To install tooling in the tailstock 1 With the tailstock locked in place unlock the quill then use the handwheel to extend it to the 1 mark on the quill Insert the drill chuck arbor or drill shank into the quill then quickly slap it in Try to twist the tool to check if it is firmly seated A firmly seated taper will not twist Note If the tapered shaft has a tang align it horizontally with the indent in the back of the quill before fully inserting it Unlock the tailstock and move it until the tip of the cutting tool is close to but not touching the workpiece then re lock the tailstock Start spindle rotation unlock the quill then turn the quill handwheel clockwise to feed the cutting tool into the workpiece Removing Tooling 1 2 Use a shop rag to hold the tool Rotate the tailstock quill handwheel counterclockwise until the tool is forced out of the quill 33 EVS Toolroom Lathes OPERATION For Machines Mfg Since 7 09 Offsetting Aligning The tailstock can be
50. e websites 4 Clears all tools from the lathe AWA R N N G 5 Sets the correct spindle speed range for the To reduce the risk of operation and turns the spindle speed dial serious injury when using all the way counterclockwise to the lowest this machine read and speed to avoid the possibility of damage understand this entire from a high speed start manual before beginning any operations 6 Checks for safe clearances by rotating the workpiece by hand at least one full AW A R N i N G revolution Loose hair clothing or 7 Moves slides to where they will be used jewelry could get caught during operation in machinery and cause l serious injury or death 8 If using power feed selects the proper feed Keep these items away rate for the operation from moving parts at all l l times to reduce this risk 9 Turns the main power switch ON resets the stop button so it pops out then moves the spindle ON OFF lever down to start spindle rotation The spindle will rotate counterclockwise down and toward the operator when facing the front of the lathe AWARNING During operation small metal chips may become airborne leading to serious 10 Turns the spindle speed dial clockwise to the eye injury Wear safety desired RPM glasses to reduce this risk 11 Uses the carriage handwheels or power feed options to move the tooling into the workpiece for operations 12 When finished cutting moves the ON OFF lever to t
51. e safe this entire manual before starting operation instructions are clearly understood If electrically powered use 2 Personal Protective Equipment Operating padlocks and master switches and remove or servicing this item may expose the user start switch keys to prevent unauthorized to flying debris dust smoke dangerous use or accidental starting chemicals or loud noises These hazards can result in eye injury blindness long 4 Guards Covers Accidental contact with term respiratory damage poisoning moving parts during operation may cause cancer reproductive harm or hearing loss severe entanglement impact cutting Reduce your risks from these hazards or crushing injuries Reduce this risk by by wearing approved eye protection keeping any included guards covers doors respirator gloves or hearing protection installed fully functional and positioned for maximum protection South Bend Lathe Co 5 EVS Toolroom Lathes SA F E Yo For Machines Mfg Since 7 09 5 10 Entanglement Loose clothing gloves neckties jewelry or long hair may get caught in moving parts causing entanglement amputation crushing or strangulation Reduce this risk by removing securing these items so they cannot contact moving parts Mental Alertness Operating this item with reduced mental alertness increases the risk of accidental injury Do not let a temporary influence or distraction lead to a permanent disability Never oper
52. e the gears are meshed together apply a small dab of grease in the crux of where the gears mesh together this grease will spread around when the gears start moving and re coat any areas scraped off during installation Annual Maintenance Once a year remove all the end gears clean them thoroughly and apply a new coating of grease Even if the headstock side cover has been kept in place throughout the year it is still possible for dust from the V belts to build up in the grease and the grease may also start to break down with extended or heavy use 261 Cutting Fluid System Hazards As some cutting fluid ages dangerous microbes can proliferate and create a biological hazard The risk of exposure to this hazard can be greatly reduced by replacing the old cutting fluid on a monthly basis as indicated in the maintenance schedule The cutting fluid 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 cutting fluid to the work area When the valve is opened or closed the fluid comes out of the nozzle and drains through the chip drawer and into the catch tray and then into the tank where it is picked up again by the pump Figure 122 shows many of these components and their locations The important thing to keep in mind when working with the cutting fluid is to minimize exposure to your skin eyes and respiratory system by wearing
53. ead Dial and Chart 49 Chip Draw geen nee ee ae en aE A 50 Cutting Fluid System vc sccdssccvearstvecicassensecesevewerous 51 ACCESSORIES oeecececccccceccccececcococeccococeseocececeo 52 Accessories esssesseessessreserssceserrerrscersesseessreseerees 52 MAINTENANCE wcsscssccsescecectccscsucscescacssseseivccecnsseaes 54 Maintenance Schedule 54 COBIAN E E E IEA AT 54 Maintenance Chart sessscssrcscoascsensestaneiacnateancayeanses 55 AB 016 ai 6215100 0 pe ere neri innir nish 56 Headstock pipcenreaecs unc sstcaeneosenreusous EEEIEE 56 Gea DO ea Ea E EEE 58 EEE D a E AEE E EEEE A TA EE A A A 58 Lead Screw amp Feedrod Bearings 0c0000s 59 Ways amp Slids rctad ivacinsncganseveiasiareaeionsaiaietaneenieys 59 Unpainted amp Machined Surfaces 00e00 59 BPO e a A A E 60 Cleaning Electrical Box Filter cccceseesees 60 Pod Ae TIN eise eveaeetaciaectaseaesees 61 Cutting Fluid System cccerecsnetnoscssesacectacecstscexenst 62 1S FS i 0 e PI EEA T E EA A 62 Adding Fluid cccccccccccecscssscesecssesesesssscscscsesesesees 62 Changing Cutting Fluid sxc osencnarseesoussssiusntoneemiess 63 Machine Storag ee ne rnein 64 SC varices cess cece acdc ccsacaceduveceveveacavecsucscessausesueces 65 Backlash Adjustment cccccccceeccesseeeceeees 65 Compound Leadscrew ccccceessceeceseeceseeseees 65 Cross Slide Leadscrew cccccceecsecscceceecseeecees 65 Leadscrew End Play A
54. ears shown in Figure 121 should always have a thin coat of heavy grease to minimize corrosion noise and wear Care must be taken to avoid over greasing because excess grease may be flung onto the V belts which will reduce optimal power transmission from the motor Figure 121 Location of end gears that require grease Handling amp Care Make sure to clean and lubricate any gears you install or swap Unless you are very careful during handling and storage the coating of grease on the gears will easily pickup dirt or debris which can then spread to the other gears and increase the rate of wear Make sure the cover remains installed whenever possible to keep the gears free of dust or debris from the outside environment South Bend Lathe Co Lubricating 1 DISCONNECT LATHE FROM POWER 2 Remove the headstock side cover and all the end gears shown in Figure 121 3 Clean the end gears thoroughly with mineral spirits to remove all the old grease Use a small brush if necessary to clean between the teeth 4 Clean the shafts from which the end gears were removed and wipe up any old grease splatters in the vicinity and on the inside of the headstock cover 5 With clean hands apply a thin layer of grease on the gears Make sure to get grease between the gear teeth but not so much that it fills the voids between the teeth 6 Install the end gears and mesh them together with an approximate backlash of 0 005 Onc
55. ed lines on the thread dial for threading the TPI shown in Figure 94 2 6 10 14 18 22 26 30 54 Numbered Position Figure 94 Marks are selected on the dial for threading 2 54 TPI Odd Numbered TPI Use any of the numbered lines on the thread dial for threading the TPI shown in Figure 95 Numbered Position L204 Figure 95 Numbers are selected on the dial for threading odd numbered TPI 2 Fractional TPI Use any opposing number pairs 2 4 or 1 3 on the thread dial for fractional TPI Figure 96 For example to cut a 3 thread select 1 on the dial then start threading using 1 or 3 as your reference points TPI 2232 42 Position Z11132 1 3 or 2 4 Figure 96 Opposing number group are selected on dial for cutting 1 2 thread TPI 49 EVS Toolroom Lathes Other Fractional TPI Use position 1 on the thread dial for cutting the TPI shown in Figure 97 24 234 Position 34 334 1 Only Figure 97 Any number on dial is selected for other fractional TPI 27 TPI Use any numbered or non numbered line on the thread dial to cut the TPI shown in Figure 98 Figure 98 Any number on the dial can be selected for 2 TPI 50 OPERATION For Machines Mfg Since 7 09 Chip Drawer The chip drawer shown in Figure 99 catches swarf and metal chips during the machining process It easily slides open to provide access to swarf during cleanup Also the chip drawer contains a screen
56. ed rate and sometimes spindle speed to achieve the best results The carriage can alternately be driven by the leadscrew for threading operations However this section covers using 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 the Threading Controls section Page 48 South Bend Lathe Co For Machines Mfg Since 7 09 Power Feed Controls 3 The feed direction lever Figure 81 controls direction of the carriage The quick change feed direction knob Figure 82 reverses the feed direction of the carriage while the lathe is running lt FORWARD South Bend athe Co i m A we i i 1 Figure 82 Quick change feed direction knob 2 To engage the power feed 3 1 Make sure the spindle is OFF and has come to a complete stop 2 Use the feed direction lever to select the direction that the feed rod will rotate Note The feed rod rotation will be the reverse of what is shown on the control panel diagram if the quick change feed direction knob is engaged NOTICE DO NOT move the feed direction lever on the headstock while the spindle is turning or damage will occur to the headstock gearing South Bend Lathe Co OPERATION EVS Toolroom Lathes Use the feed control lever on the front of the apron to engage power feed for either the carriage or the cross slide see Figure 83
57. egularly monitor the oil temperature shown in the sight glass in Figure 109 The temperature of the headstock oil must remain under 170 F or the oil will start to overheat and break down causing it to lose its lubrication properties Under normal conditions the oil should not reach 170 F however if it does shut down the machine and allow the oil to cool Investigate why the oil is getting so hot Possibilities may be poor ventilation excessive work loads poor oil quality oil is breaking down losing lubricity due to long term use or extreme work site temperatures If possible correct the conditions causing the oil to get hot If the oil is old or you suspect it is of poor quality change it If the work loads or working environment are extreme reduce the duty cycle of the lathe to allow the oil to cool down when it gets hot If the oil temperature ever exceeds 170 F change it as soon as possible to make sure the spindle bearings have high quality lubrication Verifying Oil Pump Operation To prevent costly damage to the headstock gears and bearings a kill switch will shut the lathe down if the oil pump stops working or the oil level is too low You can verify that the pump is working by looking at the sight glass shown in Figure 109 When working correctly oil can be seen flowing across the sight glass Headstock Oil m_i Sight Glass nnr vant AV y Figure 109 Location of the headst
58. en the tailstock lock lever Figure 5 move the tailstock to the end of the bedway then lock it in place Figure 5 Tailstock lock lever 12 PREPARATION For Machines Mfg Since 7 09 4 To further balance the load loosen the carriage lock bolt see Figure 6 disengage the half nut lever put the feed control lever in neutral then use the carriage handwheel to move the carriage next to the tailstock HALF NUT LEVER FEED CONTROL LEVER Engaged Figure 6 Carriage controls set for moving the carriage 5 Position a 12 long 2x6 board under each end of the bed as shown in Figure 7 wrap the lifting straps around the bottom of the 2x6 s Note The 2x6 s extend the lifting straps away from the bottom of the bed to prevent machine damage from excessive strap pressure against the leadscrew feed rod and spindle control rod Make sure to use them Cross Section View of Lifting Setup To Forklift or Lifting Hook Leadscrew S Feed Rod D a Spindle Control Rod 12 Long 2x60 Board Figure 7 Cross section of lifting setup to keep strap from putting pressure against leadscrew or rods South Bend Lathe Co For Machines Mfg Since 7 09 6 Attach the lifting straps to forklift forks or a hook and chain as shown in Figures 8 9 Forklift Lifting Straps 12 Long 2x6 Board 2x6 Board Lifting Hook with Chain 2 Long 2x6 Board 2x6 Board Figure 9 Lathe set up for lifting
59. eutral then move the spindle speed range lever to high 8 Turn the lathe ON and let it run for ten minutes in each speed of 400 1000 and 2500 RPM 9 After completing Step 8 reduce the spindle speed to 400 RPM and let the lathe run for a final 15 minutes as a cool down Half Nut Lever Pe 10 Turn the lathe OFF Disengaged Up po l MO gt 11 Change the oil in all of the reservoirs tighten the V belts and perform all other lubrication steps mentioned in the Maintenance section of this manual Recommended FEED CONTROL Adj ustments LEVER For your convenience the adjustments listed below have been performed at the factory HALF NUT LEVER Figure 31 Feed control lever and half nut in disengaged positions However because of the many variables involved with shipping we recommend that you at least verify the following adjustments to ensure the best possible results from your new machine 6 Turn the lathe ON and let it run for ten minutes in each speed of 20 200 and 400 RPM using the spindle speed dial Figure 32 to adjust the speed Step by step instructions for these adjustments can be found on the pages referenced below Spindle Speed Dial Factory adjustments that should be verified e Tailstock alignment Page 34 400 2500 RPM e Compound and cross slide backlash k peel adjustment Page 65 e Gib adjustments Page 66 NOTICE After the first 16 hours of use the V belts w
60. faces Set the previously mounted jaws aside in a safe place free of moisture and abrasives Rotate the chuck key clockwise until you see the tip of the scroll gear lead thread just begin to enter jaw guide 1 see Figure 51 Lead Thread Figure 51 Inserting jaw guide 1 Insert jaw 1 into jaw guide 1 and hold the jaw against the scroll gear lead thread Rotate the chuck key clockwise one turn to engage the tip of the scroll gear lead thread into the jaw Pull on the jaw now it should be locked into the jaw guide Repeat the Steps 6 8 on the remaining jaws South Bend Lathe Co OPERATION EVS Toolroom Lathes If installed correctly the jaws converge together at the center of the chuck If the jaws do not come together remove them then repeat this procedure until they do Mounting Workpiece ltems Needed Chack Key crnica 1 Chuck Cradle or Plywood 4 to protect bed 1 To mount a workpiece in the 3 jaw chuck 1 DISCONNECT LATHE FROM POWER 2 Ifthe workpiece is large and heavy place a chuck cradle or plywood on the bedway below the chuck to protect it 3 Use the chuck key to move the jaws and mount the workpiece into the chuck refer to Figure 52 for typical mounting methods Mounting on an Outside Diameter Mounting in an Inside Diameter Figure 52 Typical of 3 jaw chuck mounting methods 4 Rotate the chuck by hand to make sure the workpiece makes even co
61. from the lathe during cleaning South Bend Lathe Co EVS Toolroom Lathes on xS N L z op ef v D ee 5 a es WOOo aU e puaquinos MMM GLOT 9L9 O9 XVA_ o OFST PEL 098 DTAIOS BNUUL JSL JO IPA UIBSE JI WAOJ10d o poou no u ym pue ddIAJOS JTenuUe Ino pPouULAOJ 10d sel ee nos UIM JO YILI Cooy SUIO I IJAI S Soy WOJI d asn AAvoy YMM UJO JJOW 10 IBI I A IIUQ JAI GS enuuy SWJ IJULUJJULEU JY SUIMLIOZI0d UIM spins J JU I J I YO TND L se 9ye pusg YMog INO YM popnyIuUI 194Ss0d IJUCUJJUTEW IY SA ABP JEY UO WP JEY 107 pOIMD II JOU SI I JULUJJUTEUI NO PayILTq SI XOq 94 JI JSI OYJ UO UJI YIVO 10J XOq Ld IY VIJIUI 10 JNO SSOI IYJeT pusg YINOG ANOA UO powaroziod I9ULUJJUIEWU JY JO YILI doay 0 J AVYD STY SN uorppuop pmnyy sugmo poAo pmnyy sugmo PTO SULIvOg MOLISPBa T PAo IQ uoidy eT O XOQIed P49 T IO yoo IspeeyyT uorg dsuj Ayayes pue Tesodsip uowovejdoa UOTJIPUOD pmp Zurgyno SUIPIVSI1 UOEWIOJUI IIOU I0 ENUBUI S 1dUMO JQ E S IJEJINQ poeyureduy SL9TTO Med UOTJVILIQGN T 08 ez sz z oz oz ve se ee refoz er st et or er rrjerjerjrrjor 6 siejolelrtele ry eru SOYJE S M S WOOIOOL SAF 10 WeYyD soueusjuleW A yWUOW ON 934727 pu g ynos te South Bend Lathe Co EVS Toolroom Lathes E V A N i 7 E N A c E For Machines
62. g power source wires are connected To correct wiring that is out of phase 1 Push the stop button turn the main power switch to OFF and disconnect the machine from power or shut OFF and lock out the power source if hardwired 2 Open the electrical box and disconnect the L1 and L2 wires shown in Figure 15 on the To Power Source side of the switch 3 Connect the L1 wire to the terminal where the L2 wire was connected originally 4 Connect the L2 wire to the terminal where the L1 wire was connected originally 5 Close and latch the electrical box and reconnect the machine to the power source PREPARATION EVS Toolroom 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 operate it again until you have resolved the problem Note The variable speed on this machine is controlled by a frequency drive unit constructed with sensitive electronics These electronics can be damaged if power is disconnected during operation Therefore unless the stop button and brake lose functionality always properly shut the machine down before disconnecting it from the power source A Troubleshooting section is provided starting on Page 74 to assist you with solutions if a problem occurs
63. gure 127 Leadscrew end play adjustment 4 Engage the half nut lever 5 Rotate the carriage feed handwheel back slightly and tighten the retaining nut at the same until the end play is removed 6 Tighten both set screws and re install the cover 66 Gib Adjustment The goal of adjusting the cross slide tailstock saddle and compound gib screws is to remove sloppiness in the ways without over adjusting them to the point where the slides become stiff and difficult to move In general loose gibs cause poor finishes and tool chatter however over tightened gibs cause premature wear on the slide leadscrew and nut and are difficult to operate The gibs are tapered and held in position by a screw at each end To adjust the gib turn one screw a turn clockwise and the other screw a u turn counterclockwise so both screws move toward the same direction Now test the feel of the sliding component by turning the handwheel and adjust the gib screws as necessary to make it tighter or looser The gib adjustment process usually requires some trial and error Repeat the adjustment process as necessary until you find the best balance between loose and stiff movement Most machinists find that the ideal gib adjustment is one where a small amount of drag or resistance is present yet the handwheels are still easy to move Figures 128 131 show the location of the screws for each gib on this machine Figure 128 One of tw
64. he center position to turn the lathe OFF then removes the workpiece South Bend Lathe Co 23 EVS Toolroom Lathes Description of Controls amp Components Refer to the following figures and descriptions to become familiar with the basic controls of this machine Main Power Switch The main power switch is shown in Figure 33 It turns master power ON OFF to the lathe GY Q a ae A Main A Power gt G Switch Figure 33 Main power switch Headstock Controls South Bend Lathe Co THREAD AMD FEED CHART cae T ee AAT AAAA i chee NN AAS Figure 34 Headstock controls 24 OPERATION For Machines Mfg Since 7 09 A Change Gear Chart Displays the positions of the various gears for different threading or turning options B Spindle Speed Range Lever Shifts the headstock into low or high range for spindle speeds between 20 400 RPM or 400 2500 RPM C Thread and Feed Chart Shows the configurations of the gearbox levers to achieve a particular feed rate D Gearbox Levers Move the gearbox gears into particular ratios which then turn the leadscrew and feed rod for threading and power feed operations E Feed Direction Lever Shifts the direction that the gearbox is turning which changes the direction of the leadscrew and feed rod F Gearbox Range Lever Shifts the gearbox between high neutral or low range and has no effect on spindle RPM Carriage Controls Figure
65. he 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 13 Figure 13 Handwheel handles installed Lubricating Lathe GEARBOXES MUST BE FILLED WITH OIL STOP NO OIL SHIPPED WITH MACHINE Refer to the Lubrication Section in this Manual for Recommended Oil Type The headstock gearbox and apron oil reservoirs must have the proper amount of oil in them before the lathe can be operated for the first time Running the lathe without oil in a gearbox is considered unwarrantable abuse which may result in damage to the bearings and gears Refer to the Lubrication section beginning on Page 56 for details on how to check and add oil 14 South Bend Lathe Co For Machines Mfg Since 7 09 In addition to the gearboxes 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 54 Note If your lathe was shipped with oil in the gearboxes do not change that oil until after the break in period Adding Cutting Fluid Add the cutting fluid of your choice now For detailed instructions on where the cutting fluid tank is located and how to add fluid refer to Cutting Fluid System on Page 62 Power Connection AWARNING Electrocution or fire may
66. he stop button Figure 17 on Page 18 clockwise until it pops out The pump will turn ON Observe the oil pump tube sight glass Figure 24 Verify that you see oil flowing out of the tube and against the sight glass CHANGE DEAA TABLET I High Precision Lathe South Bend Lathe Co ibaa che AND TEOR CHART Figure 24 Oil pump sight glass and oil tube South Bend Lathe Co PREPARATION 14 15 EVS Toolroom Lathes Note This headstock has a pressurized oil system that is equipped with an oil pressure safety switch If oil stops flowing or does not flow to start with the lathe will not operate until the oil is properly flowing Refer to Troubleshooting to correct NOTICE Never bypass the oil pressure safety switch If you do you will void the warranty and headstock damage may occur Make sure that all bystanders are out of the way tools are cleared away and the chuck key is removed from the chuck Move the spindle ON OFF lever Figure 25 down and the chuck will rotate counter clockwise down and toward you as you face the front of the lathe Figure 25 Spindle Lever in ON position 16 Observe the lathe and listen for any abnormal noises or vibration The lathe should run smoothly with little or no vibration or rubbing noises 17 Push the stop button The lathe should stop 19 EVS Toolroom Lathes 18 19 20 21 20 Move the spindle ON OFF lever up
67. i e snug the camlocks on the first pass then moderately tighten on the next pass then fully tighten on the third pass As you tighten the camlocks the chuck or faceplate will snug up onto the spindle nose When fully tightened the cam line will fall between the two V marks on the spindle nose as shown in Figure 43 Cam Line Between V Marks Figure 43 Camlock fully tightened with the line between the V marks Note If any of the cam lines do not fall between the V marks when the camlock is tight you must adjust the offending camlock stud as discussed in Installing and Adjusting Camlock Studs on Page 29 To make sure that the chuck or faceplate is perpendicularly aligned with the spindle use a test indicator mounted on the bedways to check for runout South Bend Lathe Co For Machines Mfg Since 7 09 Installing and Adjusting Camlock Studs When fitting a chuck or faceplate with camlock studs or when mounting a new chuck or faceplate it may be necessary to install or adjust the camlock studs Tool Needed Hex Wrench 6mm ccececececccscecscecececececess 1 To install or adjust camlock studs onto a chuck or faceplate 1 Lay the chuck or faceplate upside down on a protective flat surface 2 Ifinstalled remove the locking cap screw adjacent to each of the six cam lock mounting holes see Figure 44 Locking Figure 44 Identifying chuck camlock studs and locking cap scre
68. iece Includes an direct read graduated scale distance represents amount of material removed from diameter of workpiece Carriage Handwheel Moves the carriage from side to side along the bed OPERATION EVS Toolroom Lathes Control Panel Figure 36 Control panel Tachometer Display Displays the current spindle speed in RPM Spindle Speed Dial Changes the spindle speed within the set speed range Power Light Illuminates when lathe is receiving power Cutting Fluid Pump Switch Start stops the cutting fluid pump motor Jog Button Turns the spindle motor ON while being pressed and held Emergency Stop Button Stops all machine functions Twist clockwise to reset South Bend Lathe Co 25 EVS Toolroom Lathes OPERATION For Machines Mfg Since 7 09 Tailstock Controls Foot Brake This lathe is equipped with a foot brake Figure 38 to quickly stop the spindle Pushing the foot brake while the spindle is ON cuts power to the motor and stops the spindle Once stopped the spindle lever MUST be returned to the neutral position before the spindle can be restarted d lt Figure 37 Tailstock controls A MODE See Toolroom AA Quill Handwheel Moves the quill toward or ee wists away from the spindle Foot Brake aT AB Graduated scale Indicates quill movement in increments of 0 001 or 0 02mm Figure 38 Foot brake and spindle ON OFF lever AC Tailstock Lock Lever Secures the tailstock in p
69. ill stretch and seat into the pulley grooves The 400 m 2500 Figure 32 Spindle speed controls V belts must be properly re tensioned after this period to avoid reducing their useful life Refer to the V Belts section on Page 69 for detailed instructions 22 South Bend Lathe Co For Machines Mfg Since 7 09 OPERATION EVS Toolroom Lathes m To complete a typical operation the operator Operation Overview ioes ste i The purpose of this overview is to provide 1 Puts on safety glasses rolls up sleeves the novice machine operator with a basic removes jewelry and secures any clothing understanding of how the machine is used during jewelry or hair that could get entangled in operation so they can more easily understand moving parts the controls discussed later in this manual 2 Examines the workpiece to make sure it Note Due to the generic nature of this overview is suitable for turning then mounts the it is not intended to be an instructional guide workpiece in one of the chucks or on the for performing actual machine operations faceplate and removes the chuck key from To learn more about specific operations and the chuck machining techniques seek training from people experienced with this type of machine and do 3 Mounts the tooling aligns it with the additional research outside of this manual by workpiece then backs it away to establish a reading how to books trade magazines or safe startup clearanc
70. ing operations below 400 RPM 3 Adjust the spindle speed range lever to the range that covers your calculated spindle speed Note To shift the spindle speed range lever you may need to apply pressure to the lever and slightly rotate the spindle by hand Spindle Speed Dial Highs Kow Fi O AOO RPM 7400 2500 REM Am Fi M 7 Ta 20 T_T 100 a e al it qm 9500 Figure 80 Controls used to adjust spindle speed _44 OPERATION For Machines Mfg Since 7 09 AWARNING Make sure the variable speed dial is turned all the way to the left counterclockwise before turning the lathe ON or it may start up ata dangerously high rate of speed 4 Turn the spindle ON and slowly turn the variable speed dial to carefully adjust the spindle speed shown on the digital display to your calculated spindle speed Power Feed On this machine both the carriage and cross slide have power feed capability The rate that these components move feed rate is controlled by how the levers are configured on the gearbox Feed rate and spindle speed must be considered together The sources you use to determine the optimum spindle speed for an operation will also provide the optimal feed rate to use with that spindle speed Often the experienced machinist will use the feeds and speeds given in their reference charts or web calculators as a starting point then make minor adjustments to the fe
71. ing surfaces of the tailstock quill bore and the carbide tipped dead center making sure that no lint or oil remains on the tapers 3 Use the tailstock quill handwheel to feed the quill out from the casting about 1 Do not feed the quill out of the casting more than 2 or stability and accuracy will be reduced 4 Insert the center into the tailstock quill 5 Seat the center firmly into the quill during workpiece installation by rotating the quill handwheel clockwise to apply pressure with the center engaged in the center hole in the workpiece Note Only apply enough pressure with the tailstock quill to securely mount the workpiece between centers Avoid over tightening 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 the center Removing Center from Tailstock To remove the center from the quill hold onto it with a rag in one hand then rotate the tailstock handwheel counterclockwise to draw the quill back into the casting until the center releases South Bend Lathe Co For Machines Mfg Since 7 09 OPERATION EVS Toolroom Lathes 5 Close the steady rest so that the workpiece Steady Rest is inside the finger rollers then tighten the lock knob The steady rest supports long shafts and can be mounted anywhere along the length of the bed l 6 Loosen the three wing bolts so the finger To install an
72. ing the pump manually by pour cutting fluid down into the nozzle then repeat Step 13 63 EVS Toolroom Lathes V A N i 7 E N A c E For Machines Mfg Since 7 09 Machine Storage If the machine is not properly prepared for storage it may develop rust or corrosion If decommissioning this machine use the steps in this section to ensure that it remains in good condition for later use To prepare your machine for short term storage up to a year 1 Pump out the old cutting fluid and flush the lines and tank with warm soapy water 2 DISCONNECT LATHE FROM POWER 3 Thoroughly clean all unpainted bare metal surfaces then apply a liberal coat of way oil 4 Lubricate the machine as outlined in the lubrication section 5 Cover and place the machine 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 plastic guards cloudy 6 Once or twice a month depending on the ambient humidity levels in the storage environment wipe down the machine as outlined in Step 3 7 Every few months start the machine and run all gear driven components for a few minutes This will keep the bearings bushings gears and shafts well lubricated and protected from corrosion especially during the winter months To prepare your machine for long term storage a year or more Run the lathe for 10 minutes to bring the gearboxes
73. ion away Maa eE E EAE 1 T E T antics Safety Glasses nesrin rr EEE 1 l T i the sh ao 6 Move the shroud washer away from the Peers aera kane shear pin to the rear position as shown in 1 DISCONNECT LATHE FROM POWER Figure 145 so there is enough of a gap to remove the shear pin 2 Remove the front and side feed access covers as shown in Figure 143 Ay F Rear Figure 145 Shear pin access Figure 143 Feed access covers removed South Bend Lathe Co 71 EVS Toolroom Lathes S E RV G E For Machines Mfg Since 7 09 7 72 Use the magnet to remove the shear pin head then rotate the lathe spindle to line up the inner and outer bores as shown in Figure 146 Next use the magnet to remove the other half of the broken shear pin when it becomes visible y i Figure 146 Aligned shear pin bores Insert a blow gun tip into the shear pin hole blow out the hole with compressed air and put a drop of oil in the hole Insert the new shear pin into the bore as shown in Figure 147 Figure 147 New shear pin installed in bore If the pin does not freely slide into the bore DO NOT hammer on the pin or you may permanently damage the shear mechanism and bore making it nearly impossible to remove and install a new shear pin later Instead take the time to carefully line up the two bores You may file a slight chamfer on the end of the pin to make it easier to insert With the pin c
74. ion forward reverse lever in the neutral position Spindle Speed Dial 10 Disengage the half nut lever put the feed control lever in neutral and make sure the carriage lock bolt is loose see Figure 6 This step will allow the carriage to move freely when the handwheel is rotated and make sure that the carriage will not move when the lathe is started Hl 250 Carriage Lock Bolt Figure 18 Spindle speed controls W 7 Move the spindle speed range lever Figure 18 to the left so the headstock is set in the low range 20 400 RPM You may need to slightly rotate the chuck by hand to engage the lever 8 Move the gearbox range lever to the middle neutral position as shown in Figure 19 iE PROCEDURE e S P L F R AN HALF NUT LEVER FEED CONTROL LEVER Low Figure 21 Controls used to disengage carriage so that it will move freely when the handwheel is turned Hic PISIN POSITION DO NOT ml PINDI F C Figure 19 Gearbox range lever in middle position 18 South Bend Lathe Co For Machines Mfg Since 7 09 11 Move the spindle ON OFF lever to the OFF center position as shown in Figure 22 Spindle R Lever Figure 22 Spindle ON OFF lever setup 12 Connect the lathe to power source then turn the main power switch Figure 23 to the ON position Z Dij 5 Main Power we Switch Figure 23 Main power switch in ON position 13 Rotate t
75. ion screen thoroughly with mineral spirits and compressed air 10 Re install the suction screen Tip Consider placing one or two magnets at the bottom of the tank to collect any fine metal particles generated by the headstock drive train This will make cleaning easier the next time around and ensure that more metal particles are kept out of the headstock oil 11 Re install the drain plug 12 Refill the tank with oil refer to Page 56 for the recommended type and amount of oil to use 13 Replace the fill spout plug _57 EVS Toolroom Lathes V A N i 7 E N A c E For Machines Mfg Since 7 09 Gearbox Oil Type Mobil Vactra 2 or ISO 68 Equivalent HATO eE E ES 1 Liter Check Add Frequency ccccecceseceeeeeeeees Daily Change Frequency ccccceeccesseeseeeeees Annually Checking amp Adding Oil The sight glass shown in Figure 112 shows the oil level in the gearbox At the maximum level the oil fills approximately of the sight glass At the minimum level the oil only fills 1 4 of the sight glass Check the oil level daily When the oil approaches the minimum level add enough oil to bring it up to the maximum level per ww we L pg E Gearbox Oil i gt u Sight Glass a s y Figure 112 Gearbox sight glass location Changing Oil The gearbox oil must be changed after the break in period and then annually or every six mo
76. it underneath them Note If necessary place one steel shim underneath the cutting tool so the cutting tip is properly aligned with the workpiece The shim should be as long and as wide as the cutting tool to properly support it AWARNING Over extending a cutting tool from the tool post will increase the risk of it breaking during operation which may cause metal pieces to be thrown at the operator or bystanders with great force Only extend a cutting tool 2 5 times the width of its cross section or less i e 2 5 x 0 5 1 25 3 Firmly secure the cutting tool with at least two tool post bolts Figure 72 Tool Fost Cutting Figure 72 Tool mounted in 4 way tool post South Bend Lathe Co For Machines Mfg Since 7 09 Aligning Cutting Tool with Tailstock Center For most operations the cutting tool tip should be aligned with the spindle center line as illustrated in Figure 73 Workpiece Center Cutting Line Figure 73 Cutting tool aligned with workpiece center view from tailstock There are a number of ways to check and align the cutting tool to the spindle center line Below are two common methods e Align the tip of the cutting tool with a center installed in the tailstock refer to the instructions that follow For this to work the tailstock must be aligned to the spindle center line refer to Aligning Tailstock on Page 34 e Make a facing cut on a piece of round bar stock If the tool i
77. itch should click Figure 140 Pedal travel adjustment If the switch does not click loosen the switch mounting screws push the pedal all the way down and move the switch closer to the lobe until it clicks Secure the switch in place at this location 7 Firmly push the pedal lever Figure 140 to the right until it stops and the brake band is fully clamped around the brake hub 8 Tap the pedal stop into position so there is approximately a 25mm gap between the pedal lever and the stop see Figure 140 In the released position there should be an approximate 3mm gap between the plunger roller and the lobe Sa E eco eC wen Ihe ELEG 12 Re install the cover test the brake operation 10 Locate the motor kill switch shown in Figure 141 at the tailstock end of the lathe 70 South Bend Lathe Co For Machines Mfg Since 7 09 sS E RV c T EVS Toolroom Lathes 3 Rotate the shroud washer so the cutout lines Leadscr ew Shear Pi n up with the shear pin head as shown in Replacement Figure 144 Shear Pin Head _ AA Le O 2mm O 2mm NOTE Shear Pin Material S45C SAE 1045 Figure 144 Shroud washer pin alignment Figure 142 Shear pin specifications 4 Put on safety glasses Tools Needed Qty Phillips Screwdriver 2 sreteeenseeeesneneeneeneentanen 1 S Reniovetheretainine cine f omits occove External Retaining Ring Pliers 1 00 1 oe yg and place it in the rear most posit
78. king up complex lever positions on a chart The beds of these lathes are constructed with Meehanite castings that have been precision hardened and ground in the traditional 3 V prismatic design long used on South Bend Lathes for its accuracy durability and rigidity The headstock features quick change gear levers and an adjustable clutch mechanism for the feed rod that can be set to prevent damage in the event of a crash To further ensure a high degree of accuracy these lathes are equipped with NSK or NTN spindle bearings The spindles are the D1 6 camlock type with an MT 6 taper and 2 0625 bore The tailstock quills have an MT 4 taper and offer 6 of travel The EVS lathes also include a pressurized headstock oiling system that pre lubricates bearings gears before the spindle starts and delivers perfect lubrication during low speed operations compare to conventional splash and bath oil systems that leave bearings gears starved for oil when the spindle is first started and during low speed operations Finally these EVS toolroom lathes are packed with standard features such as a complete coolant system easy to clean chip drawer one shot way lubrication system included steady and follow rests adjustable work lamp foot brake and powered cross feed South Bend Lathe Co 3 EVS Toolroom Lathes Identification INTRODUCTION Figure 1 The 14 amp 16 EVS Lathe Headstock D1 6 Camlock MT 6 Spindle Co
79. knurled hand knob on the thread dial pivot the dial gear into mesh with the leadscrew then tighten the hand knob see Figure 91 Figure 91 Thread dial engaged with the leadscrew South Bend Lathe Co For Machines Mfg Since 7 09 Using Thread Dial and Chart Find the TPI threads per inch that you want to cut in the left column see Figure 92 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 Mt 4 8 12 16 20 24 Non Numbered Position Numbered Position 1 2 3 4 2232 42 Position Z 211 132 1 3 or 2 4 24 274 Position 314 39 1 Only 27 Same as Metric Threads Figure 92 Thread dial chart The thread dial is not used for metric threading or for diametral or modular gear turning You must leave the half nut lever engaged from the beginning until the threads are complete for these types of operations The following examples explain how to use the thread dial chart TPI 4 72 Divisible By 4 Use any line position on the thread dial shown in Figure 93 for threading TPI divisible by four 4 8 12 16 20 24 Any Position 28 32 36 40 44 48 56 60 72 Figure 93 Any position on the dial for threading 4 72 TPI South Bend Lathe Co OPERATION EVS Toolroom Lathes TPI 2 54 Not Divisible By 4 Use any of the non number
80. lace along the bedway AWARNING Using the foot brake to stop the lathe reduces AD Quill Lock Locks the quill in position mg p i risk of an entanglement injury from allowing the lathe to coast to a stop Use the foot brake to stop the lathe whenever possible AE Quill Moves toward and away from the spindle and holds centers and tooling AF Tailstock Offset Screw Adjusts and secures the tailstock offset 1 of 2 AG Offset Scale Indicates the distance of tailstock offset from the spindle center line 26 South Bend Lathe Co For Machines Mfg Since 7 09 Chuck amp Faceplate Mounting This lathe is shipped with the 3 jaw chuck installed This is a scroll type chuck meaning that all three jaws move in unison when adjusted 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 0 total indicated runout If neither chuck can hold your workpiece the cast iron faceplate has slots for T bolts that hold standard or custom clamping hardware With the correct clamping hardware this faceplate will hold non cylindrical parts The chucks and faceplate have a D 6 camlock mount A chuck key is used to turn the locking cams Figure 40 to secure release the chuck faceplate Items Needed Qty Dead Blow Hammet cccccccccescceeeceesceeeceeees 1 Chuck Cradle or Plywood to protect bed 1 CAMO E
81. led in the top position the 44T 56T end gears in the middle position and the 57T end gear in the bottom position as shown in Figure 86 In the normal position the 56T and 57T gears are meshed which allows for inch and metric threading and all general feed operations Inch and Metric Fitch Threading Inch and Metric Feeding Figure 86 Normal end gear position OPERATION EVS Toolroom Lathes Alternate Position When the 44 and 57 tooth end gears are meshed see Figure 87 you can perform modular and diametral pitch turning Modular and Diametral Pitch Turning Figure 87 Alternate end gear position Configuring End Gears 1 DISCONNECT LATHE FROM POWER 2 Move the gearbox range lever to Low so that the gears will not rotate in the following steps then open the lathe headstock side cover 3 Tochange the position of the 57T gear a Remove the cap screw and flat washer that secures the gear then remove the gear see Figure 88 Cap Screw an Figure 88 Removing the end gear South Bend Lathe Co 47 EVS Toolroom Lathes OPERATION For Machines Mfg Since 7 09 Note Take care not to misplace the key from the gear shaft b Clean away debris and grime from the gear and apply a light coat of machine oil c Swap the position of the gear as shown in Figure 87 then align it with the key and insert it on the gear shaft d Re install the flat washer and cap scre
82. lternative method to accomplish the same task ask a qualified expert how the operation should be performed or contact our Technical Support for assistance South Bend Lathe Co 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 Chuck Key Safety A chuck key left in the chuck can become a deadly projectile when the spindle is started Always remove the chuck key after using it Develop a habit of not taking your hand off of a chuck key unless it is away from the machine Tool Selection Cutting with an incorrect or dull tool increases the risk of accidental injury because extra force is required for the operation which increases risk of breaking or dislodging components which can cause small shards of metal to become dangerous projectiles Always select the right cutter for the job and make sure it is sharp A correct sharp tool decreases strain and provides a better finish Securing Workpiece An improperly secured workpiece can fly off of 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 Large Chucks Large chucks are very heavy and difficult to grasp which can lead to crushed fingers or hands if mishandled Get assistance when installing or removing large chucks to reduce thi
83. ly 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 Mounting Workpiece with Clamps 1 DISCONNECT LATHE FROM POWER 2 Place a piece of 3 4 plywood on the bedway below the spindle 3 With help from another person place the workpiece onto the faceplate and clamp it in place with a minimum of three independent clamping devices see Figure 63 for an example Note Be sure to take into account the rotation and cutting forces that will be applied to the workpiece when clamping it to the faceplate 4 Double check tool and slide motion clearances before turning spindle ON ON a N Non Cylindrical ANN Workpiece a BA a amp Figure 63 Example of workpiece clamped in a faceplate Mounting Workpiece Between Centers 1 DISCONNECT LATHE FROM POWER 2 Drill center holes in both ends of the workpiece 3 Install the dead center in the spindle and the live center or carbide tipped dead center in the tailstock refer to Page 37 4 Secure a lathe dog on the spindle end and place a drop of oil in the center hole on the tailstock end of the workpiece 5 Mount the workpiece between centers so the lathe dog tail fits freely in the faceplate slot without binding Faceplate a a Dead Center Lathe Dog Figure 64 Example of using faceplate to mount work between centers
84. n a monthly basis to ensure optimal power transmission Replace all of the V belts if any of them show signs of glazing fraying or cracking Tools Needed Phillips Screwdriver 2 ccccccceecccesccesceeseceeees 1 Open End Wrench 24m cccccceecceeeceeseeees 1 To adjust the V belts 1 DISCONNECT LATHE FROM POWER 2 Remove the cover shown in Figure 136 Motor Cover Figure 136 Location of motor cover 3 Turn the hex nuts on the motor mount bolts shown in Figure 137 to move the motor mount plate up or down and adjust the V belt tension When correctly tensioned each belt should have about 3 4 deflection when pressed firmly see Figure 137 Figure 137 V belt adjustment 4 Firmly tighten the hex nuts loosened in the previous step against the motor mount plate to prevent it from moving out of adjustment during operation then re install the motor cover South Bend Lathe Co Brake amp Switch As the brake lining wears the foot pedal develops more travel If the brake band is not adjusted to compensate for normal wear the limit switch will still turn the lathe off but the spindle will not stop as quickly It is especially important that the brake is kept properly adjusted so you can quickly stop the spindle in an emergency Tools Needed Qty Phillips Screwdriver 2 cetsecccecoarcesacuraseccdcesenctsdesons 1 Hex Wrench 6mm cccececececcccececececececececess 1 To
85. n the direction shown in Figure 58 Figure 59 Turning a dead center Figure 58 Set screw adjustment in relation to tailstock movement Once the tailstock is offset where needed tighten the clamp bolts underneath the tailstock 34 South Bend Lathe Co For Machines Mfg Since 7 09 OPERATION EVS Toolroom Lathes Note As long as this dead center remains in the 9 Usea caliper to measure both ends of the chuck the point of the center will remain workpiece true to the spindle center line The point will have to be refinished whenever the center is If the machined workpiece is thicker removed and then returned to the chuck at the tailstock end move the tailstock toward the front of the lathe the 5 Install a center in the tailstock distance of the amount of taper see Figure 61 6 Attach a lathe dog to the piece of stock from Step 3 then mount it between the centers as shown in Figure 60 Move the tailstock toward the front of the lathe the distance of the taper Looking down from above Figure 61 Adjust tailstock toward the operator If the machined workpiece is thinner Figure 60 Example of round stock mounted between at the tailstock end move the tailstock the centers toward the back of the lathe the distance of the amount of taper see 7 Turn 0 010
86. necessary Tighten fan shim cover or replace items Reduce load on motor Contact frequency drive manufacturer for list of authorized service providers in your area Decrease depth of cut or feed rate Refer to the feeds and speeds charts in Machinery s Handbook or a speeds and feeds calculator on the internet Sharpen or replace the cutting tool 74 South Bend Lathe Co For Machines Mfg Since 7 09 Symptom Entire machine vibrates upon startup and while running Bad surface finish Tapered tool difficult to remove from tailstock quill Cross slide compound or carriage feed has sloppy operation Cross slide compound or carriage feed handwheel is hard to move Cutting tool or machine components vibrate excessively during cutting Possible Cause Workpiece is unbalanced Loose or damaged belt s V belt pulleys are not properly aligned Worn or broken gear present Chuck or faceplate has become unbalanced Gears not aligned in headstock or no backlash Broken gear or bad bearing Workpiece is hitting stationary object Spindle bearings at fault Wrong spindle speed or feed rate Dull tooling or poor tool selection Tool height not at center line Too much play in gibs Quill is not retracted all the way back into the tailstock Contaminants not removed from taper before inserting into quill Gibs are out of adjustment Handwheel is loose or backl
87. ng a carriage feeding operation the clutch disengages the feedrod from the apron and the carriage movement stops SE Figure 75 Adjustable apron stop and collar The adjustable apron stop system is designed to stop the longitudinal carriage movement at optional locations when the feedrod is engaged When the leadscrew is engaged for threading operations the adjustable apron stop system will not disengage the leadscrew you must move the half nut lever instead Otherwise the carriage can crash into the chuck or if it contacts the stop the leadscrew shear pin will break Before doing any threading operations make sure to loosen the stop collar so it slides freely on the feedrod _42 OPERATION For Machines Mfg Since 7 09 Carriage Stop NOTICE The carriage stop on this lathe will NOT automatically stop the carriage or disengage the power feed Failure to heed this notice could result in the carriage crashing and causing severe machine or property damage Use the carriage stop as a guide to help judge when to stop the carriage movement Tools Needed Hex Wrench 8mm cccececececcccccecececececececess 1 To adjust the carriage stop 1 DISCONNECT LATHE FROM POWER 2 Loosen the cap screws shown in Figure 76 Cap Screws Stop Rod J HATA a8 LEA2I da 13 BETIVI ga 6 CRE 027 aT Adjustment aaa Knob 7 pi 7 Mola a HAETIY Figure 76 Carriage stop 3 Use the car
88. ng fan is operating e Verify headstock oil temperature is under 170 F Daily After Operations 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 Page 59 e Depress emergency stop button and shut OFF the main power switch to prevent accidental startup Monthly e Drain and clean the cutting fluid tank then add new cutting fluid e Remove electrical box air filter and clean with compressed air or a vacuum Annually or Semi Annually with Hard Use e Drain and clean the headstock oil reservoir then add new oil e Change the apron oil e Change the gearbox oil Cleaning Regular cleaning is one of the most important steps in taking care of this lathe We recommend that each operator be responsible for cleaning the machine immediately after using it or at the end of the day We also recommend that the cleaning routine be planned into the workflow schedule so that adequate time is set aside to do the job right Typically the easiest way to clean swarf from the bed ways and chip drawer is to use a wet dry shop vacuum that is dedicated for this purpose only The small chips leftover 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 All visible swarf should be removed
89. ntact with all three jaws and spins evenly without any visible wobble If the workpiece is not evenly held or is off center repeat Steps 3 4 5 After verifying that the workpiece is properly centered fully tighten the jaws to make sure the workpiece is held securely so it will not come loose during operation 31 EVS Toolroom Lathes 4 Jaw Chuck Refer to Chuck amp Faceplate Mounting instructions on Page 27 to mount the 4 jaw chuck to the spindle The 4 jaw chuck features independently adjustable hardened steel jaws to hold non cylindrical or off center workpieces Each jaw can be removed from the chuck body and reversed for a wide range of work holding versatility Mounting Workpiece Items Needed CDAK Ty eorn E A A E Chuck Cradle or Plywood 4 to protect bed To mount a workpiece on the 4 jaw chuck 1 DISCONNECT LATHE FROM POWER 2 Place a chuck cradle or plywood on the bedway below the chuck to protect it 3 Use the chuck key to open each jaw so the workpiece will lay flat against the chuck face or jaw steps 4 With help from another person or a supporting device mount the workpiece centered on the chuck then turn each jaw until it makes contact with the workpiece 5 Tighten each jaw in small increments After you have adjusted the first jaw continue tightening in an opposing sequence as shown in Figure 53 Workpiece Center Foint Figure 53 4 jaw tightening sequence
90. nths with hard service or extreme working conditions Figure 113 shows fill and drain plugs used when changing the gearbox oil Gearbox Oil Figure 113 Location of gearbox fill and drain plugs 58 Apron Oil Type Mobil Vactra 2 or ISO 68 Equivalent HAMON er E 1 Liter Check Add Frequency ccecce Daily Change Frequency cccccseccessceseseeees Annually Checking amp Adding Oil The sight glass shown in Figure 114 shows the oil level in the apron At the maximum level the oil fills approximately of the sight glass At the minimum level the oil only fills of the sight glass Check the oil level daily When the oil approaches the minimum level add enough oil to bring it up to the maximum level This oil is also used by the way pump to lubricate the ways and slides Figure 114 Location of apron drain plug amp sight glass Changing Oil The oil in the apron reservoir must be changed after the break in period and then annually or every six months with hard service or extreme working conditions The drain plug is shown in Figure 114 and the fill plug is shown in Figure 115 Figure 115 Location of fill plug for apron oil reservoir South Bend Lathe Co For Machines Mfg Since 7 09 E V A N i 7 E N A c A EVS Toolroom Lathes Lead Screw amp Feedrod Bearings Oil Type Mobil Vactra 2 or ISO 68 Equivalent ATOE e A S 1 Liter Check Add Frequency ccecce Daily Checking amp A
91. ntrol Panel Ball Bearing Style Steady Rest 4 Position Tool Holder Follow Rest Compound Slide Compound Slide Handwheel Work Lamp Universal Cutting Fluid Tube and Nozzle Cross Slide Tailstock Tailstock Handwheel Thread Dial AWARNING Serious personal injury could occur if ZErxarrrommongp you connect the machine to power before completing the setup process DO NOT connect power until instructed to do so later in this manual Leadscrew Bearing Housing Cutting Fluid Pump Tank Spindle Rotation ON OFF Lever Half Nut Lever Apron Oil Level Sight Glass Quick Change Apron Feed Direction Knob Manual Way Oil Pump Brake Pedal Feed Control Lever Apron Handwheel Cross Slide Handwheel Removable Chip Drawer AA Micrometer Stop AB Quick Change Gearbox AWARNING Untrained users have an increased risk of seriously injuring themselves with this machine Do not operate this machine until you have understood this entire manual and received proper training N lt xX S lt CHMHDOVO 4 South Bend Lathe Co For Machines Mfg Since 7 09 For Machines Mfg Since 7 09 SAFE TY EVS Toolroom 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 experience common sense risk awareness working conditions and use of personal protective equipment safety glasses respirators etc
92. o cross slide and compound gib screws South Bend Lathe Co For Machines Mfg Since 7 09 sS E RV c T EVS Toolroom Lathes Figure 131 One of two tailstock gib screws Half Nut Adjustment The half nut mechanism can be tightened if it becomes loose from wear The pressure exerted by the half nut is controlled by a gib similar to the one in the saddle which is on Page 66 The half nut gib is adjusted with two set screws Tool Needed Qty Hex Wrench 3mm ccecccececcccccscecececececececees 1 To adjust the half nut 1 Disengage the half nut 2 Remove the thread dial 3 Turn the two half nut adjustment set screws shown in Figure 132 clockwise about an 1 of a turn Half Nut Adjustment Set Screws Thread Dial Removed Half Nut Figure 132 Half nut gib adjustment 4 Engage disengage the half nut several times and notice how it feels you may need to move the carriage handwheel slightly to get the half nut to close 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 5 Repeat Steps 3 4 if necessary until you are satisfied with the half nut adjustment If the half nut becomes too stiff turn the set screws counterclockwise to loosen it 6 Re install the thread dial South Bend Lathe Co 67 EVS Toolroom Lathes S E RV G E For Machines Mfg Since 7 09 4 Insert the hex wrench into the
93. ocessed 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 4 CAUTION Children or untrained people may be seriously injured by this machine Only install in an access restricted location Min 30 Electrical Access Keep Workpiece Loading Area Unobstructed Figure 4 Space required for full range of movement South Bend Lathe Co 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 Do not attempt to lift or move this lathe if you do not have the proper equipment or the necessary assistance from other people All lifting equipment must be rated to at least 5 000 lbs to account for dynamic loads from bouncing or pulling that may be applied while lifting Refer to the Things You ll Need section on Page 8 for details To lift and move your lathe 1 Prepare the permanent location for the lathe 2 Remove the shipping crate top and sides then remove the small components from the shipping pallet 3 To balance the lifting load loos
94. ock oil sight glass South Bend Lathe Co For Machines Mfg Since 7 09 E v A N i 7 E N A N e A EVS Toolroom Lathes Cleaning Pump System amp Changing Oil The headstock oil pump system must be cleaned and the oil changed after the break in period and then annually or every six months with hard service or extreme working conditions To clean the oil pump system 1 DISCONNECT LATHE FROM POWER 2 Remove the cap from the fill spout shown in Figure 110 220 vous Fill Spout _ Vad T p a Drain Figure 110 Headstock oil tank component locations 3 Place at least a 3 gallon drain pan under the tank and remove the drain plug to empty the oil into the pan 4 Clean away any dust debris metal shavings or grime from the access cover 5 Using a 4mm hex wrench remove the four access cover cap screws then use the cap screw in the center as a handle and lift off the access cover 6 Put on splash proof safety glasses rubber gloves and a respirator rated for fumes 7 Using mineral spirits and rags wipe down the inside of the tank to clean it Make sure to soak up any excess mineral spirits with a dry rag so it does not stay in the tank South Bend Lathe Co 8 After the tank is completely cleaned out unthread the screen from the bottom of the pump suction pipe see Figure 111 and remove the screen from the tank Figure 111 Suction screen removal 9 Clean the suct
95. offset from the spindle The offset of your lathe was aligned with center line for turning tapers The offset the spindle center line at the factory We movement is controlled by set screws on both recommend that you take the time to ensure sides of the tailstock see Figure 57 and the that the tailstock is aligned to your own desired amount of movement is indicated by the offset tolerances especially if you have changed the scale on the back of the tailstock offset to cut shallow tapers Note For a precise offset use a dial indicator to To align the tailstock offset to the spindle center check quill movement while adjusting screws line 1 Use a precision level to make sure the bedway is level from side to side and from front to back S Set Screw If the bedway is not level correct this condition before continuing with this procedure 2 Obtain two pieces of steel round stock 2 in diameter and 6 long 3 Center drill both ends of one piece of round Figure 57 Tailstock offset controls stock then set it aside for use in Step 6 Tool Needed Qty 4 Use the other piece of round stock to make Hex Wrench 6MM ose ccsdsciesvcisdondcs dentcevedsessenssivectsw s 1 a dead center and turn it to a 60 point as l l shown in Figure 59 To offset the tailstock from the spindle center line loosen the clamp bolts underneath the tailstock to relieve pressure on the sliding components then rotate the set screws i
96. ompletely seated in the bore and the head flush with the leadscrew shoulder slide the shroud washer against the shoulder then rotate the washer 180 until it covers the head of the shear pin as shown in Figure 148 Figure 148 Shroud washer positioning Using retaining ring pliers return the retaining ring to its groove and position the retaining ring ears over the shear pin head as shown in Figure 149 to prevent the shear pin from falling out if the shroud washer rotates into alignment with the pin access groove lines Figure 149 Retaining ring positioned with ears in front of pin access groove so pin cannot fall out 12 Re install the access covers South Bend Lathe Co For Machines Mfg Since 7 09 sS E RV c T EVS Toolroom Lathes Gap Removal amp Installation A portion of the lathe bed directly under the spindle the gap insert Figure 150 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 precise fit and alignment Therefore if the gap insert is removed it may be difficult to re install with the same degree of flushness and accuracy as when installed at the factory Tools Needed Qty Hex Wrenches 4 6 8mm cece eee ee eee 1 Each Wrench 17MM eee ene ne a Cn eo 1 To remove the gap 1 Remove the four gap bed cap screws shown in Figure 151 that secure the gap insert to
97. once before and once after operating the lathe If the lathe is in a moist or dirty environment increase the lubrication interval and make sure to keep the oil level full J j om O N Figure 117 Location of way pump fill plug and sight glass on the apron Unpainted amp Machined Surfaces Besides the ways and leadscrew all other unpainted and machined surfaces should be wiped down daily to keep them rust free and in top condition This includes the top of the saddle the cross slide compound slide tool post chuck feedrod and any other surface you can find that could be vulnerable to rust if left unprotected this especially includes any parts that may be exposed to water soluble cutting fluids Typically with these parts a thin film of oil is all that is necessary for protection Any quality metal protectant can be used to protect machined surfaces including either of the oils you use elsewhere in the lathe 59 EVS Toolroom Lathes fo v A N i 7 E N A c E For Machines Mfg Since 7 09 Ball Oilers Oil Type Mobil DTE Light or ISO 32 Equivalent OME PMO NE crise 1 or 2 Drops Lubrication Frequency cccccceseceseceeseees Daily This lathe has five ball oiler locations see Figures 118 119 that should be oiled on a daily basis In order to properly squirt oil into the ball oiler mechanisms you will need an oil can or gun Figure 119 Tailstock ball oiler locations To lubricate the ball
98. pleted the test run To complete the spindle break in 1 Successfully complete the Test Run procedure beginning on Page 17 2 Move the gearbox range lever to low range position as shown in Figure 26 Neutral HIGH POSITION DO NOT EXCEED SPINDLE SPEED OF 330 RPM Figure 26 Gearbox range lever break in 3 Turn the spindle speed dial Figure 27 all the way counterclockwise to the minimum speed and move the spindle speed range lever to the low range Spindle Speed Dial Spindle Speed Lever High 400 2500 RPM i oo 2500 Figure 27 Spindle speed controls South Bend Lathe Co PREPARATION EVS Toolroom Lathes 4 Move the feed direction forward reverse lever Figure 28 to the neutral position lt FORWARD EXCEED SPINDLE SPE OF 330 RPM FORWARD Figure 28 Feed direction lever in neutral position NOTICE Do not leave the lathe unattended during the break in period Make sure that you keep a close eye on the headstock oil thermometer Figure 29 on the oil reservoir If the headstock oil temperature reaches 160 F shut the lathe down and let the system cool before resuming break in Figure 29 Oil temperature thermometer _91 EVS Toolroom Lathes PREPARATION For Machines Mfg Since 7 09 5 Disengage the half nut and the feed control 7 After completing the previous step stop the levers shown in Figures 30 31 spindle and move the gearbox range lever to n
99. ps Recommended Plug Receptacle NEMA 1L15 20 Minimum Cord Size 12 AWG 4 Wire 300V Maximum Cord Length ccce 50 ft S B1014 SB1037 220V 3 Phase Full Load Amp Draw cccc00008 21 7 Amps BSC a E ENE N 3 Phase PCO CINCY eae E 60 Hz Minimum Circuit Size cccccecceeeceeees 30 Amps Recommended Plug Receptacle NEMA 1L15 30 Minimum Cord ize 8 AWG 4 Wire 300V Maximum Cord Length eccess 50 ft SB1013 440V 3 Phase Full Load Amp Draw 00008 7 75 Amps PMA EA E sean ian ona cuisseeest 3 Phase BPC O CINCY viccstna tatters casendeeaactneescashesecanencandawencast 60 Hz Minimum Circuit Size oseere 15 Amps Recommended Power Connection Hardwire B1015 SB1038 440V 3 Phase Full Load Amp Draw ccc 008 10 75 Amps TIAGO E EE EE 3 Phase BOG CINCY ensenen 60 Hz Minimum Circuit Size scncescssaussiaveasacoateoons 15 Amps Recommended Power Connection Hardwire Hardwire setups must include a locking disconnect switch between the power source and the lathe Refer to Page 16 for more details 415 EVS Toolroom Lathes Connecting Power Cord to Lathe ADANGER Electrocution or death will occur if you attempt this procedure with the power cord connected to the power source The cord must be disconnected from power before performing this procedure These instructions are for setups where the lathe will be connected to the power
100. rdwire setups require power supply lines to be enclosed inside of conduit which is securely mounted and constructed in adherence to applicable electrical codes A hardwire setup for this machine must be equipped with a locking disconnect switch as a means to disconnect the power during adjustments or maintenance which is a typical requirement for lock out tag out safety programs commonly required by OSHA Figure 16 shows a simple diagram of a hardwire setup with a locking disconnect switch between the power source and the machine South Bend Lathe Co For Machines Mfg Since 7 09 Locking Power Source Disconnect Switch Machine Conduit Conduit Figure 16 Typical hardwire setup with a locking disconnect switch Due to the complexity required for planning bending and installing the conduit necessary for a hardwire setup this type of setup can only be performed by an experienced electrician For Electrician Connect the incoming power wires as shown in Figure 15 Correcting Out of Phase Wiring This sub section is only provided for troubleshooting If you discover during the test run that the lathe will not operate or that the spindle runs backwards the lathe may be wired out of phase Without the proper test equipment to determine the phase of power source legs wiring machinery to 3 phase power may require trial and error Correcting this is simply a matter of reversing the positions where two of the incomin
101. riage handwheel to position the carriage cutting tool at the stop point you want to set typically the maximum distance the carriage can travel before there is a crash 4 Position the carriage stop so the rod is firmly against the carriage retighten the cap screws loosened in Step 2 and use the adjustment knob to fine tune the position of the stop rod 5 Move the carriage away from the stop rod then move it back against the stop rod and verify that tooling will not make contact with chuck jaws or other components rotate the chuck by hand to verify rotational clearance South Bend Lathe Co For Machines Mfg Since 7 09 Manual Feed You can manually move the cutting tool around the lathe for facing or turning operations using the handwheels shown in Figure 77 and described below FELL Gross Slide _Handwheel Compound Slide Handwheel 7y Carriage Handwheel Figure 77 Carriage Controls Carriage Handwheel The carriage handwheel moves the carriage left or right along the bed Use this control when setting up the machine for facing or turning Cross Slide Handwheel The cross slide handwheel moves the tool toward and away from the work Turning the dial clockwise moves the slide toward the workpiece Adjust the graduated scale by holding the handwheel with one hand and turning the dial with the other The graduated scale reads in 0 001 increments and is a direct read which means that the dista
102. s FAX 360 676 1075 International FAX 360 734 1639 USA only southbendlathe com Printed In Taiwan BLTRCR12117
103. s 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 Make sure all power cords are protected from traffic material handling moisture chemicals or other hazards Make sure to leave access to a means of disconnecting the power source or engaging a lockout tagout device Lighting Lighting around the machine must be adequate enough that operations can be performed safely Shadows glare or strobe effects that may distract or impede the operator must be eliminated PREPARATION EVS Toolroom Lathes 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 pr
104. s above below the spindle center line a nub will be left in the center of the workpiece Adjust the height of the workpiece then repeat the facing cut to check the adjustment Repeat as necessary until the center of the workpiece is smoothly faced South Bend Lathe Co OPERATION EVS Toolroom Lathes Tools Needed Qty Tool Post T W ONC ccccsccnssvccecsessearcctocanavonsnsssesseaaecs 1 PCCD AMAL oe oceecenccaicnsetencnraccasenanecescese As Needed CU TOOL een ET A RTA 1 Fine 60 1c gene ne etn rn a ere eee nn 1 Tailstock Cit Cl ss ccncannesserseaesacconessaeeaneteceessenca oedouen 1 To align the cutting tool with the tailstock center 1 Mount the cutting tool in the tool post then turn the tool post so the tooling faces the tailstock 2 Install a center in the tailstock and position the center tip near the tip of the cutting tool 3 Lock the tailstock and quill in place 4 Adjust the height of the cutting tool with a steel shim so the tip just touches the end of the tailstock center as shown in Figure 74 Tailstock Center Cutting Tailotock Center Side View Figure 74 Cutting tool tip aligned with tailstock center 4 EVS Toolroom Lathes Adjustable Apron Stop System Use the adjustable apron stop collar shown in Figure 75 to set the location where the carriage will be disengaged by the feedrod friction clutch When the adjustable apron stop contacts the stop collar duri
105. s risk Protect your hands and the precision ground ways by using a chuck cradle or piece of plywood over the ways of the lathe when servicing chucks Safe Clearances Workpieces that crash into other components on the lathe may throw dangerous projectiles in all directions lead ing 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 South Bend Lathe Co 7 8 10 11 For Machines Mfg Since 7 09 SAFETY EVS Toolroom Lathes AN 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 injury Large workpieces must be turned at slow speeds Always use the appropriate feed and speed rates Stopping Spindle by Hand Stopping the spin dle by putting your hand on the workpiece or chuck creates an extreme risk of entangle ment 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 if equipped Crashes Driving the cutting tool or other lathe components into the chuck may cause an explosion of metal fragments which can result in severe impact inj
106. sible for ensuring proper care of the equipment We strongly recommend all operators make a habit of following the daily maintenance procedures For optimum performance from this machine this maintenance schedule must be strictly followed Use the chart provided on Page 55 to ensure this is done Ongoing To maintain a low risk of injury and proper machine operation if you ever observe any of the items below shut down the machine immediately and fix the problem before continuing operations Loose mounting bolts or fasteners Worn frayed cracked or damaged wires Guards removed Emergency stop button not working correctly or not requiring you to reset it before starting the machine again A reduction in braking speed or efficiency Headstock oil not flowing against sight glass Cutting fluid not flowing out Any other unsafe condition Daily Before Operations Check add gearbox oil Page 58 Check add apron oil Page 58 Check cutting fluid level Page 62 Lubricate the ways Page 59 Put oil in the ball oilers Page 60 Check add leadscrew amp feedrod bearing oil Page 59 Clean lubricate the leadscrew Page 59 e Turn spindle speed dial all the way down e Move the power feed lever on the apron to neutral to prevent crashes upon startup e Ensure carriage lock bolt is loose B M During Operations Verify headstock oil flows when power is turned ON Page 56 e Verify electrical box cooli
107. source with a power cord and plug as opposed to a hardwire setup To connect power cord to the lathe 1 Unlock and open the main electrical cabinet door and install a strain relief in the location shown in Figure 14 E rerceeee e 4 1 i E N ea I DT af eif er Figure 14 Location to connect power inside main electrical cabinet 2 Thread the power cord through the strain relief and up to the main power switch shown in Figure 14 3 Connect the incoming L1 L2 L3 and ground wires to the main power switch terminals as illustrated in Figure 15 16 PREPARATION For Machines Mfg Since 7 09 To Power Source Ground MASTER Power Connection Terminals POWER OW ITCH aE L1 L2 L3 Figure 15 Power connection at main power switch 4 Make sure the cord wires have loose slack between the strain relief and terminal connections then tighten the strain relief to secure the power cord Note The strain relief must be tightened against the outermost jacket of the cord Avoid over tightening the strain relief or it may crush the cord and cause a short 5 Test the strain relief to ensure it is properly tightened by pulling the cord from outside the box with light to moderate force When the strain relief is properly tightened the cord will not slide 6 Close and lock the main electrical box door Hardwiring Lathe to Power Source Ha
108. stud alignment 3 Jaw Chuck Refer to Chuck amp Faceplate Mounting instructions on Page 27 to mount the 3 jaw chuck to the spindle The 3 jaw scroll type chuck included with this lathe features hardened steel jaws that center the workpiece When the operator opens or closes the jaws with the chuck key the jaws move in unison There are two sets of removable hardened steel jaws included with the 3 jaw chuck inside and outside jaws Use the correct jaws for the size and configuration of the workpiece to hold it firmly and securely on the chuck see Figure 49 The outside of the jaws are used to hold the workpiece from the outer diameter Figure 49 Chuck and jaw selection 30 Numbered from 1 3 the jaws must be used in the matching numbered jaw guides as shown in Figure 50 Jaw Guide 1 Jaw gt Numbers N Figure 50 Jaw guides and jaw numbers Note The chuck does not need to be removed from the spindle to swap the jaws South Bend Lathe Co For Machines Mfg Since 7 09 Changing Jaws ltem Needed Qty CUE FRC en 1 White Lithium Grease cccececeees As Needed To change the jaw 1 2 DISCONNECT LATHE FROM POWER Place a piece of wood over the ways to protect them from potential damage Insert the chuck key and turn it counterclockwise to back the jaws out and remove them Clean the jaw mating surfaces and apply a thin film of white lithium grease to the mating sur
109. t solvents or gas Fumes and sunlight can bleach or discolor paint and make plastic guards cloudy 64 South Bend Lathe Co For Machines Mfg Since 7 09 sS E RV c T EVS Toolroom Lathes Backlash Adjustment Backlash is the amount of free play felt while switching rotation directions with the handwheel This can be adjusted on the compound and cross slide leadscrews NOTICE Reducing backlash to less than 0 001 is impractical Avoid the temptation to overtighten the backlash set screw while adjusting Overtightening leads to accelerated wear of the wedge nut and leadscrew Compound Leadscrew Tools Needed Hex Wrench 3mm 2 ccecececececcccececececececucecess 1 Backlash is adjusted by tightening the set screws shown in Figure 125 When these screws are adjusted against the leadscrew nut they offset part of the nut to remove play between the nut and leadscrew If you end up adjusting the nut too tight loosen the set screws tap the compound a few times with a rubber or wooden mallet and turn the handle slowly back and forth until it moves freely To readjust the backlash rock the handle back and forth and tighten the screws slowly until the backlash is at approximately 0 001 as indicated on the handwheel dial Figure 125 Compound slide backlash adjustment set screws South Bend Lathe Co Cross Slide Leadscrew Tools Needed Qty Hex Wrench 3mm 2 ccccecececececcscecece
110. te Spindle speed or feed rate wrong for cutting operation Cutting tool is dull Possible Solution Correct out of phase wiring refer to Page 17 for details Rotate button clockwise until it pops out to reset it for operation replace if not working properly Move the spindle ON OFF lever to ON replace bad switch Make sure main 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 cord is correctly sized Verify electrical box door chuck guard spindle and brake switches are not engaged Verify that headstock oil is pumping Turn the thermal relay cut out dial to increase working amps and push the reset pin Replace if tripped multiple times weak relay Correct motor wiring connections Clean clogged tank suction screen fill headstock oil tank to full or replace oil pump Test all limit kill 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 Contact frequency drive manufacturer for list of authorized service providers in your area Inspect keys and set screws Replace or tighten if
111. that allows runoff cutting fluid to drain back into the cutting fluid tank A CAUTION If pulled out quickly and more than half of the way the drawer could fall out and hit your feet causing serious injury Therefore open the drawer slowly and avoid opening it more than half of the way South Bend Lathe Co For Machines Mfg Since 7 09 OPERATION EVS Toolroom Lathes Cutting Fluid System AWARNING The cutting fluid system delivers cutting fluid A BIOLOGICAL amp POISON through a positionable nozzle and is turned ON L HAZARD OFF by the control panel cutting fluid pump Use the correct personal switch and the valve lever near the base of the A protection equipment AN nozzle hose see Figure 100 x when handling cutting fluid Follow federal state and fluid manufacturer requirements for proper disposal NOTICE Running the pump without adequate fluid in the tank may permanently damage it This is abuse and is not covered by the warranty TE a Lever Cutting YA 4 f SWitchi So i To use the cutting fluid system on your lathe 1 Make sure the tank is properly serviced and filled with cutting fluid and that you wear the necessary personal protection equipment Figure 100 Coolant system controls and components Always use high quality cutting fluid in your coolant system and follow the manufacturer s instructions for diluting The quick reference table shown in Figure 101 can help you select the
112. to the OFF position reset the stop button by twisting it clockwise until it pops out then restart the spindle with the lever Push the foot brake The lathe should come to a quick stop If the brake pedal has no effect on the lathe push the stop button and refer to V Belts and Brake amp Switch on Page 69 to make any required adjustments Remove the lathe headstock side cover The kill switch mounted to the headstock should prevent the lathe from starting while this cover is removed Stand away from all the exposed gears on the side of the headstock and attempt to start the lathe If the lathe starts the safety switch is not functioning properly and may need to be replaced before the machine can be safely operated PREPARATION For Machines Mfg Since 7 09 22 Replace the headstock side cover then start the lathe again Note The lathe will not start if the headstock side cover is not properly installed 23 Turn the cutting fluid pump ON and open the valve Verify that fluid flows from the nozzle then turn the cutting fluid pump OFF The test run is now finished Shut the lathe down and begin the Spindle Break In procedure South Bend Lathe Co For Machines Mfg Since 7 09 Spindle Break In It is essential to closely follow the proper break in procedures to ensure trouble free performance Complete this process once you have familiarized yourself with all instructions in this manual and com
113. uries and major damage to the lathe Reduce this risk by releasing automatic feeds after use not leav ing lathe unattended and checking clear ances before starting the lathe Make sure no part of the tool tool holder compound slide cross slide or carriage will contact the chuck during operation Long Stock Safety Long stock can whip vio lently if not properly supported causing seri ous impact injury and damage to the lathe Reduce this risk by supporting any stock that extends from the chuck headstock more than three times its own diameter Always turn long stock at slow speeds Coolant Safety Contaminated cutting fluid is a very poisonous biohazard that can cause personal injury from skin contact alone Incorrectly positioned cutting fluid nozzles can splash on the operator or the floor resulting in an exposure or slipping hazard To decrease your risk change cutting fluid regularly and position the cutting fluid nozzle where it will not splash or end up on the floor Era EVS Toolroom Lathes Preparation Overview The purpose of the preparation section is to help you prepare your machine for operation The list below outlines the basic process to follow to prepare the lathe for operation Specific steps for each of these points will be covered in detail later in this section The typical preparation process is as follows 1 Unpack the lathe and inventory the contents of the box crate 2 Clean the lathe an
114. use fire if used for cleaning Avoid using these products to remove rust preventative 10 PREPARATION For Machines Mfg Since 7 09 A CAUTION Many cleaning solvents are toxic if inhaled Minimize your risk by only using these products in a well ventilated area NOTICE Avoid chlorine based solvents such as acetone or brake parts cleaner that may damage painted surfaces Always follow the manufacturer s instructions when using any type of cleaning product Basic steps for removing rust preventative 1 Put on safety glasses and disposable gloves 2 Coat all surfaces that have rust preventative with a liberal amount of your cleaner or degreaser and let them soak for a few minutes 3 Wipe off the surfaces If your cleaner or degreaser is effective the rust preventative will wipe off easily Note To clean off thick coats of rust preventative on flat surfaces such as beds or tables use a PLASTIC paint scraper to scrape off the majority of the coating before wiping it off with your rag Do not use a metal scraper or it may scratch the surface 4 Repeat Steps 2 3 as necessary until clean then coat all unpainted surfaces with a quality metal protectant or light oil to prevent rust South Bend Lathe Co For Machines Mfg Since 7 09 Location Physical Environment The physical environment where your machine is operated is important for safe operation and longevity of part
115. ustomer 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 o Technical Documentation Manager P O Box 2027 Bellingham WA 98227 Email manuals southbendlathe com Updates For your convenience any updates to this manual will be available to download free of charge through our website at www southbendlathe com Customer Service We stand behind our machines If you have any service questions parts requests or general questions about your purchase feel free to contact us South Bend Lathe Co P O Box 2027 Bellingham WA 98227 Fax 360 676 1075 International Fax 360 734 1639 USA Only Email cs southbendlathe com Table of Contents INTRODUCTION seecsecccccccccccccccccccccecccccceecceesceeo 3 About These Machines ccccccccceecceeeceeseeeee 3 Foro word Dee ee a ne E Se eR re eT 3 Capao LENE 21 eee nee eee eer eee eee eee Ree nee eee er eS aE 3 CANS E E A ees seein 3 Identification eneidiaa 4 SAFETY caccccececessacspeceasantecssscassenaceisnsseceusaneccsvecncicness 5 Understanding Risks of Machinery 5 Basic Machine Safety ccccecisccesscedcasodavsesiwaascbanvcnones 5 Additional Metal Lathe Safety 7 PREPARATION sscccdccsssisssceccseccsssesssssececsdac
116. w Note DO NOT overtighten the cap screw The cap screw merely holds the gear in place and overtightening it will make it harder to remove later and may restrict its rotation 4 Close and secure the headstock side cover Threading Controls If you are unfamiliar with how to cut threads on a lathe we strongly recommend that you read books review industry trade magazines or get formal training before beginning any attempting any threading projects Power Feed Lever The feed control lever must be in the neutral horizontal position for threading operations or the half nut will not engage with the leadscrew see Figures 89 90 e SHa Nut even g Engaged l Figure 89 Carriage controls set up for threading 48 fernen MN Disengaged be FEED CONTROL LEVER ANN ngaged Figure 90 Feed control lever and half nut positions for threading Half Nut Lever The half nut lever engages the carriage with the leadscrew which moves the cutting tool along the length of the workpiece see Figure 89 NOTICE When threading we recommend using the slowest speed possible and avoiding deep cuts so you are able to disengage the half nut and prevent an apron crash Thread Dial amp Chart Overview 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
117. ws 3 Thread each cam lock stud into the chuck or faceplate until the depth mark shown in Figure 45 is even with the surface of the chuck or faceplate and the curved indent on the side of the stud faces the locking cap screw hole as shown in Figure 46 This is an initial adjustment Depth Marka l ni Y i Figure 45 Example of camlock stud depth mark South Bend Lathe Co OPERATION EVS Toolroom Lathes Camlock Stud Depth Mark is Even with Chuck or Faceplate Surface Camlock Stud Locking Cap Screw Hole Figure 46 Initial adjustment of camlock stud 4 Install and tighten the locking cap screws 5 Make sure that the cam lock studs can rotate back and forth against the head of the locking cap screw see Figure 47 Camlock Stud Can Rotate Back Forth Slightly ig Cap Screw Installed amp Tight Figure 47 Camlock stud and cap screw correctly installed Insert the chuck onto the spindle then check the position of each camlock making sure the cam line points between the V marks If one or more of the cams do not point between the V marks on the chuck remove the chuck and fine tune the camlock stud adjustment by adjusting the stud in or out and using Figure 48 on the following page as a guide to correctly position the cam lines 99 EVS Toolroom Lathes Not Correct OPERATION For Machines Mfg Since 7 09 Not Correct Correct Figure 48 Correct camlock

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