Instruction/ maintenance manual of the product SB1012 South bend
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Hundr eds of Thousands of Lathes Sold W ith a T radition of Q uality Since 1906! © March, 2010 by South Bend Lathe Co. F or Machines Mfg. Since 7 /09 14" & 16" EVS T OOLROOM LA T H ES M.
Customer Ser vice 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.
T able of Contents INTRODUCT ION .................................................... 3 About These Machines......................................... 3 Foreword ............................................................. 3 Capabilities .............
Power Feed ......................................................... 44 Power Feed Controls .......................................... 45 Understanding Thread & Feed Rate Chart ......... 46 Positioning Gearbox Levers ..............................
INTRODUCT ION F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -3- I N TRODUCT ION Ab out T hese Mac hines F oreword " The screw cutting engine lathe is the oldest and most important of machine tools and from it all other machine tools have been developed.
-4- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s I N TRODUCT ION Identification Serious personal injur y could occur if you connect t he machine to power before completing the setup process . DO NOT connec t power until instruc ted to do so late r in this manual.
S AFETY F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -5- S A FETY Underst anding Risks of Mac hiner y Operating all machinery and machining equipment can be dangerous or relatively safe depen.
-6- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s S A FETY 5. 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -7- S A FETY Additional Met al L athe Safety 7 . 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.
PREP AR A T ION -8- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s PREP A R A T I ON Preparation Over view T hings Y ou'll Need To complete the preparation process, you will need the following items: F or L ifting and Moving s !&ORKLIFTOR/THER0OWER,IFTING$EVICE (rated for at least 5000 lbs).
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -9- PREP A R A T I ON Inventor y Main Inventor y 1: (Figure 2 ) Qty A. Steady Rest Assembly .................................... 1 B. 12" Faceplate w/D1-6 Camlock Stud Set ...... 1 C. 10" Four-Jaw Chuck w/Combo Jaws .
-10 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s PREP A R A T I ON 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -1 1- PREP A R A T I ON Keep Workpiece Loading Ar ea Unobstructed Lathe Electrical Access D oor = P ower Connection Location B C A D Min. 30" W all Figure 4. Space required for full range of movement.
-1 2 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s PREP A R A T I ON L ifting & Moving 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -1 3 - PREP A R A T I ON 6. Attach the lifting straps to forklift forks or a hook and chain, as shown in Figures 8–9 . F orklift F orks Lifting Str aps 12" Long 2x6 Boar d 12" Long 2x6 Boar d Figure 8.
-14 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s PREP A R A T I ON Assembly With the exception of the handwheel handles, the lathe is shipped fully assembled. To install the handwheel handles, thread the large handle into the carriage handwheel and the small handle into the cross slide handwheel, as shown in Figure 13 .
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -1 5 - PREP A R A T I ON 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 .
-16 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s PREP A R A T I ON Connecting Power Cord to L athe Elec trocu tion or deat h will occur if you attempt t his proce dure with t he power cord connec ted to the p ow e r source. The cor d must be disconnec ted from pow er before per forming this procedure .
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -17- PREP A R A T I ON Correcting Out-of- Phase W iring 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.
-1 8 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s PREP A R A T I ON 9. Move the feed direction forward/reverse lever to the middle (neutral) position, as shown in Figure 20 . Figure 20. F eed direction for ward/reverse lever in the neutral position.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -1 9 - PREP A R A T I ON 11. Move the spindle ON/OFF lever to the OFF (center) position, as shown in Figure 22 . Figure 22. Spindle ON /OF F lever-setup. Spindle ON /OF F Lever 12. Connect the lathe to power source, then turn the main power switch ( Figure 23 ) to the ON position.
-2 0 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s PREP A R A T I ON 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -21 - PREP A R A T I ON Do not leave the lathe unattended durin g the bre ak - in period . Make sure that you keep a close ey e on the headstock oil thermometer ( Figur e 29 ) on the oil r eser voir .
-22 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s PREP A R A T I ON 7. After completing the previous step, stop the spindle and move the gearbox range lever to neutral, 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.
OPE RA TION F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -2 3 - OP E RA TION Operation Over view Loose hair , c lothing , or jewelry could get c aught in machiner y and cause serious injur y or death . Keep these items awa y from moving part s at all times to reduce t his risk .
-2 4 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION Refer to the following figures and descriptions to become familiar with the basic controls of this machine. Main Power Switc h The main power switch is shown in Figure 33 . It turns master power ON/OFF to the lathe.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -2 5 - OP E RA TION H. Cutting Fluid Flow Control Lever: Controls the flow of cutting fluid from the nozzle.
-2 6 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION T ailstoc k Controls F oot Brake AA. Quill Handwheel: Moves the quill toward or away from the spindle. AB. Graduated scale: Indicates quill movement in increments of 0.001" or 0.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -27- OP E RA TION Chuc k & F aceplate Mounting This lathe is shipped with the 3-jaw chuck installed.
-2 8 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION Mounting Chuc k 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -2 9 - OP E RA TION Inst alling and Adjusting Camloc k Studs Figure 44 . Identifying c huck camloc k studs and locking cap screws.
-30- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION Figure 48 . Correct camloc k stud alignment. Not Correct Not Corr ect Correct 3-Jaw Chuc k Refer to Ch uck & F ace plate Mo u n ting ins tructi ons on Page 2 7 t o mo u n t t he 3-j aw ch uck to the sp i ndl e.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -3 1 - OP E RA TION Changing Jaws Item Needed Qty Chuck Key ............................................................. 1 White Lithium Grease .......................... As Needed T o change the jaw: 1.
-3 2- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION 4-Jaw Chuc k Refer to Ch uck & F ace plate Mo u n ting ins tructi ons on Page 2 7 t o mo u n t t he 4-j aw ch uck to the sp i ndl e. The 4-jaw chuck features independently adjustable hardened steel jaws to hold non- cylindrical or off-center workpieces.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -33- OP E RA TION Removing T ooling 1. Use a shop rag to hold the tool. 2. Rotate the tailstock quill handwheel counterclockwise until the tool is forced out of the quill. T o inst all tooling in the t ailstock: 1.
-34- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION Offsetting The tailstock can be offset from the spindle center line for turning tapers. The offset movement is controlled by set screws on both sides of the tailstock (see Figure 57 ), and the amount of movement is indicated by the offset scale on the back of the tailstock.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -35- OP E RA TION 9. Use a caliper to measure both ends of the workpiece. — If the machined workpiece is thicker at the tailstock end, move the tailstock toward the front of the lathe 1 ⁄ 2 the distance of the amount of taper (see Figure 61 ).
-36- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION F aceplate Refer to Ch uck & F ace plate Mo u n ting ins tructi ons on Page 2 7 t o mo u n t t he f acepla te to th e s pin dle .
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -3 7 - OP E RA TION Mounting Dead Center in Spindle 1. DISCONNECT LATHE FROM POWER! 2. Thoroughly clean and dry the tapered mating surfaces of the spindle bore, tapered sleeve, and the center, making sure that no lint or oil remains on the tapers.
-38- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION Mounting Center in T ailstoc k 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -39- OP E RA TION 5. Close the steady rest so that the workpiece is inside the finger rollers, then tighten the lock knob. 6. Loosen the three wing bolts so the finger roller positions can be adjusted.
-4 0- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -4 1 - OP E RA TION Aligning Cutting T ool with T ailstoc k Center For most operations, the cutting tool tip should be aligned with the spindle center line, as illustrated in Figure 73 . Figure 73 .
-4 2- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION Adjust able 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -4 3- OP E RA TION Manual F eed 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. Carriage Handwheel The carriage handwheel moves the carriage left or right along the bed.
-44- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -4 5- OP E RA TION Power F eed Controls 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.
-4 6- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION Underst anding T hread & F eed Rate Char t 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -4 7 - OP E RA TION Alternate Position When the 44- and 57-tooth end gears are meshed (see Figure 87 ), you can perform modular and diametral pitch turning.
-48- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -4 9- OP E RA TION Using T hread Dial and Char t 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.
-5 0 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s OP E RA TION The chip drawer shown in Figure 99 catches swarf and metal chips during the machining process.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -5 1 - OP E RA TION 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 appropriate cutting fluid.
A CC ESSORI ES -5 2- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s A CCESSOR I ES Accessories This section includes the most common accessories available for your lathe, which may be available through your local South Bend Lathe Co. dealer.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -5 3- A CCESSOR I ES Figure 105. Model SB1279 10 P c. 5- C Collet Set. SB1279—10 P c. Precision 5–C Collet Set Set of 10 collets sized from 1 ⁄ 8 " - 3 ⁄ 4 ". Same quality as the individual collets, only packaged in one convenient set.
MAI NTE NANC E -54- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s MAI NTE NAN C E Alwa ys disconnect power to the machine before per forming maintenance.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -5 5- MAI NTE NAN C E Use this chart to keep track of the maintenance performed on your South Bend Lathe. Cross out or initial the “Day” box for each item on the list. If the box is blacked out, maintenance is not required for that item on that day.
-5 6 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s MAI NTE NAN C E L ubrication Headstoc k Oil Type .. Mobil DTE Light or ISO 32 Equivalent Oil Amount .............................................. 7.5 Liters Check/Add Frequency ........
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -5 7 - MAI NTE NAN C E Cleaning Pump System & 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).
-5 8 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s MAI NTE NAN C E Figure 113. Location of gearbox fill and drain plugs. Gearbox Oil Fill Plug Gearbox Oil Drain Plug Gearb o x Oil Type ...... Mobil Vactra 2 or ISO 68 Equivalent Oil Amount .
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -5 9- MAI NTE NAN C E W ays & Slides T he w ay p ump shown in Figure 117 lubricates the sad d l e a nd cross slid e wa y g uides wi th t he o il from the ap ron reservoir .
-60- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s MAI NTE NAN C E Ball Oilers Oil Type .. Mobil DTE Light or ISO 32 Equivalent Oil Amount .......................................... 1 or 2 Drops Lubrication Frequency ......................
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -6 1 - MAI NTE NAN C E End Gearing Grease Type ............................................... NLGI#2 Frequency ................ Annually or When Swapping The end gears, shown in Figure 121 , should always have a thin coat of heavy grease to minimize corrosion, noise, and wear.
-6 2- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s MAI NTE NAN C E Cutting Fluid System 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -6 3- MAI NTE NAN C E Changing Cutting Fluid When you replace the old cutting fluid, take the time to thoroughly clean out the chip drawer, catch tray, and fluid tank. The entire job only takes about a 1 ⁄ 2 hour when you are prepared with the proper materials and tools.
-6 4- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s MAI NTE NAN C E Mac hine 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.
SE RVI C E F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -6 5- S E RVI C E Bac klash Adjustment Figure 126. Cross slide backlash adjustment screws. Cap Screw Set Screw Cross Slide Leadscrew T ools Needed: Qty Hex Wrench 3mm ...................
-6 6- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s S E RVI C E 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -6 7 - S E RVI C E 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 .
-6 8- F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s S E RVI C E F eedrod Clutc h 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -6 9- S E RVI C E V- Belts Brake & Switc h V-belts stretch and wear with use, so check them on 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.
-70 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s S E RVI C E 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -71- S E RVI C E Leadscrew Shear Pin Replacement 9mm 7mm 5.8mm 0.5mm 0.2mm 0.2mm 3mm NOTE: Shear Pin Material = S45C (SAE 1045) Figure 142. Shear pin specifications. T ools Needed: Qty Phillips Screwdriver #2 .
-72 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s S E RVI C E 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.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -73 - S E RVI C E 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.
TROUBLESHOOT I NG -7 4 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s T ROU B LESHOO T I NG If you need replacement parts, or if you are unsure how to do any of the solutions given here, feel free to call us at (360) 734-1540. Symptom Possible Cause Possible Solution Machine does not start or a circuit breaker trips.
F or Machines Mfg . Since 7/ 09 EVS Too lroom Lath es -75 - T ROU B LESHOO T I NG Symptom Possible Cause Possible Solution Entire machine vibrates upon startup and while running. 1. Workpiece is unbalanced. 1. Re-install workpiece as centered with the spindle bore as possible.
-76 - F or Machines Mfg . Since 7/ 09 E VS To ol ro om Lat he s T ROU B LESHOO T I NG Gear change levers will not shift into position. 1. Gears not aligned inside headstock. 1. Rotate spindle by hand with light pressure on the lever until gear falls into place.
W AR R ANTY & R ETU R N S W AR R ANT Y 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.
South Bend L athe Co. P .O. Box 2027 Bellingham, W A 98227 P H O N E: (3 6 0) 734-15 40 (Administrative Offi ces) F A X: (3 60) 67 6-10 75 (International) F A X: (3 60) 734-163 9 (U SA only) southbendla the .
An important point after buying a device South bend SB1012 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought South bend SB1012 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data South bend SB1012 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, South bend SB1012 you will learn all the available features of the product, as well as information on its operation. The information that you get South bend SB1012 will certainly help you make a decision on the purchase.
If you already are a holder of South bend SB1012, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime South bend SB1012.
However, one of the most important roles played by the user manual is to help in solving problems with South bend SB1012. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device South bend SB1012 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
