TURN-NADO® GEARHEAD LATHE w/DRO MODEL SB1046PF 21" X 60" MODEL SB1056F 18" X 40" MODEL SB1047PF 21" X 80" MODEL SB1057F 18" X 60" MODEL SB1048PF 21" X 120" MODEL SB1058F 18" X 80" OWNER'S MANUAL Hundreds of Thousands of Lathes Sold With a Tradition of Q uality Since 1906! © August, 2011 by South Bend Lathe Co. For Machines Mfg.
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.
Table of Contents INTRODUCTION.....................................................3 About This Machine.............................................. 3 Foreword. ............................................................ 3 Capabilities.......................................................... 3 Features. ............................................................. 3 General Identification........................................... 4 Controls & Components.......................................
Power Feed.......................................................... 54 Power Feed Controls. ......................................... 55 Setting Power Feed Rate. ................................... 57 End Gears............................................................ 58 Standard End Gear Configuration. ..................... 58 Alternate End Gear Configuration...................... 58 Threading Controls............................................. 59 Headstock & Gearbox Threading Controls. .........
For Machines Mfg. Since 3/11 INTRODUCTION Turn-Nado® Gearhead Lathes About This Machine Foreword Features "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.
INTRODUCTION Turn-Nado® Gearhead Lathes For Machines Mfg. Since 3/11 General Identification D G J I C E K H F B A L T S M R Q P O N Figure 1. General identification (Model SB1058F shown). A. B. C. D. E. F. G. H. I. J.
For Machines Mfg. Since 3/11 INTRODUCTION Controls & Components Turn-Nado® Gearhead Lathes Headstock E F D Refer to Figures 2–9 and the following descriptions to become familiar with the features and basic controls of this lathe. This knowledge will be necessary to properly set up the lathe for the test run and spindle break-in. C B To reduce the risk of serious injury when using this machine, read and understand this entire manual before beginning any lathe operations. A Figure 3.
INTRODUCTION Turn-Nado® Gearhead Lathes Control Panel H I For Machines Mfg. Since 3/11 K. Carriage Handwheel: Moves the carriage along the bed. Can be disengaged during power feed operations to prevent an entanglement hazard. L. Cross Slide Handwheel: Moves the cross slide toward and away from the workpiece. J M. Compound Rest Handwheel: Moves the tool toward and away from the workpiece at the preset angle of the compound rest. G N. Figure 4. Control panel. G.
INTRODUCTION For Machines Mfg. Since 3/11 Carriage Feed Clutch Knob Turn-Nado® Gearhead Lathes AB. Tailstock Handwheel: Moves the quill toward or away from the spindle. The graduated dial has 0.001" increments with one full revolution equaling 0.200" of quill travel. AC. Tailstock Gib Screws: Adjust the tapered gib to control tailstock offset accuracy. X AD. Tailstock Offset Screws: Adjust the tailstock offset left or right from the spindle centerline. AE Figure 6.
Turn-Nado® Gearhead Lathes INTRODUCTION Safety Foot Brake For Machines Mfg. Since 3/11 Spindle Levers This lathe is equipped with a foot brake (see Figure 9) to quickly stop the spindle instead of allowing it to coast to a stop on its own. Pressing the foot brake disengages the spindle clutch from the motor drive train inside the headstock. After the foot brake is used, the spindle lever is used to re-start spindle rotation. Foot Brake Figure 9. Foot brake and spindle levers.
For Machines Mfg. Since 3/11 INTRODUCTION Turn-Nado® Gearhead Lathes Product Specifications P.O. Box 2027, Bellingham, WA 98227 U.S.A. PHONE: (360) 734-1540 • © South Bend Lathe Co. www.southbendlathe.com MODEL SB1046PF, SB1047PF, SB1048PF 21" TURN-NADO® GEARHEAD LATHE w/DRO Model Number SB1046PF SB1047PF SB1048PF 5830 lbs. 6600 lbs. 8140 lbs.
Turn-Nado® Gearhead Lathes Model Number INTRODUCTION SB1046PF For Machines Mfg. Since 3/11 SB1047PF SB1048PF Main Motor Type TEFC Induction Horsepower 15 HP Voltage 440V Phase 3-Phase Amps 19A Speed 1720 RPM Cycle 60 Hz Power Transfer V-Belt & Gear Bearings Shielded & Permanently Sealed Coolant Motor Type TEFC Induction ⁄8 HP Horsepower 1 Voltage 440V Phase 3-Phase Amps 0.
For Machines Mfg. Since 3/11 Model Number INTRODUCTION SB1046PF Turn-Nado® Gearhead Lathes SB1047PF SB1048PF Headstock Information Spindle Bore 3.15 in. Spindle Taper MT#7 Number of Spindle Speeds 16 Range of Spindle Speeds 20–1600 RPM Spindle Type D1-8 Camlock Spindle Bearings Tapered Roller Tailstock Information Tailstock Quill Travel 6.5 in. Tailstock Taper MT#5 Tailstock Barrel Diameter 3 in. Threading Information Number of Longitudinal Feeds 15 Range of Longitudinal Feeds 0.
Turn-Nado® Gearhead Lathes Model Number INTRODUCTION SB1046PF For Machines Mfg.
For Machines Mfg. Since 3/11 INTRODUCTION Turn-Nado® Gearhead Lathes Product Specifications P.O. Box 2027, Bellingham, WA 98227 U.S.A. PHONE: (360) 734-1540 • © South Bend Lathe Co. www.southbendlathe.com MODEL SB1056F, SB1057F, SB1058F 18" TURN-NADO® GEARHEAD LATHE w/DRO Model Number SB1056F SB1057F SB1058F 4400 lbs. 5170 lbs. 5940 lbs.
Turn-Nado® Gearhead Lathes Model Number INTRODUCTION SB1056F For Machines Mfg. Since 3/11 SB1057F SB1058F Main Motor Type TEFC Induction Horsepower 15 HP Voltage 440V Phase 3-Phase Amps 19A Speed 1720 RPM Cycle 60 Hz Power Transfer V-Belt & Gear Bearings Shielded & Permanently Sealed Coolant Motor Type TEFC Induction ⁄8 HP Horsepower 1 Voltage 440V Phase 3-Phase Amps 0.
For Machines Mfg. Since 3/11 Model Number INTRODUCTION SB1056F Turn-Nado® Gearhead Lathes SB1057F SB1058F Headstock Information Spindle Bore 3.15 in. Spindle Taper MT#7 Number of Spindle Speeds 16 Range of Spindle Speeds 20–1600 RPM Spindle Type D1-8 Camlock Spindle Bearings Tapered Roller Tailstock Information Tailstock Quill Travel 6.5 in. Tailstock Taper MT#5 Tailstock Barrel Diameter 3 in. Threading Information Number of Longitudinal Feeds 15 Range of Longitudinal Feeds 0.
Turn-Nado® Gearhead Lathes Model Number INTRODUCTION SB1056F For Machines Mfg.
For Machines Mfg. Since 3/11 SAFETY Turn-Nado® Gearhead Lathes Understanding Risks of Machinery Operating all machinery and machining equipment can be dangerous or relatively safe depending on how it is installed and maintained, and the operator's experience, common sense, risk awareness, working conditions, and use of personal protective equipment (safety glasses, respirators, etc.). The owner of this machinery or equipment is ultimately responsible for its safe use.
Turn-Nado® Gearhead Lathes SAFETY For Machines Mfg. Since 3/11 Entanglement: Loose clothing, gloves, neckties, jewelry or long hair may get caught in moving parts, causing entanglement, amputation, crushing, or strangulation. Reduce this risk by removing/securing these items so they cannot contact moving parts. Chuck Keys or Adjusting Tools: Tools used to adjust spindles, chucks, or any moving/ rotating parts will become dangerous projectiles if left in place when the machine is started.
For Machines Mfg. Since 3/11 SAFETY Turn-Nado® Gearhead Lathes Additional Metal Lathe Safety Speed Rates. Operating the lathe at the wrong speed can cause nearby parts to break or the workpiece to come loose, which will result in dangerous projectiles that could cause severe impact injuries. Large or non-concentric workpieces must be turned at slow speeds. Always use the appropriate feed and speed rates. Chuck Key Safety.
Turn-Nado® Gearhead Lathes SAFETY For Machines Mfg. Since 3/11 Additional Chuck Safety Entanglement. Entanglement with a rotating chuck can lead to death, amputation, broken bones, or other serious injury. Never attempt to slow or stop the lathe chuck by hand, and always roll up long sleeves, tie back long hair, and remove any jewelry or loose apparel BEFORE operating. Chuck Speed Rating.
For Machines Mfg. Since 3/11 P R E PA R AT I O N Turn-Nado® Gearhead Lathes PREPARATION Preparation Overview Things You'll Need The purpose of the preparation section is to help you prepare your machine for operation. The list below outlines this basic process. Specific steps for each of these points will be covered in detail later in this section. The typical preparation process is as follows: 1. Unpack the lathe and inventory the contents of the box/crate. 2. Clean the lathe and its components.
Turn-Nado® Gearhead Lathes P R E PA R AT I O N Power Supply Requirements Availability Before installing the machine, consider the availability and proximity of the required power supply circuit. If an existing circuit does not meet the requirements for this machine, a new circuit must be installed. To minimize the risk of electrocution, fire, or equipment damage, installation work and electrical wiring must be done by an electrician or qualified service personnel in accordance with all applicable codes.
For Machines Mfg. Since 3/11 P R E PA R AT I O N Grounding Requirements This machine must be grounded! In the event of certain types of malfunctions or breakdowns, grounding provides a path of least resistance for electric current in order to reduce the risk of electric shock. Improper connection of the equipment-grounding wire can result in a risk of electric shock. The wire with green insulation (with or without yellow stripes) is the equipment-grounding wire.
Turn-Nado® Gearhead Lathes P R E PA R AT I O N Unpacking This item was carefully packaged to prevent damage during transport. If you discover any damage, please immediately call Customer Service at (360) 734-1540 for advice. You may need to file a freight claim, so save the containers and all packing materials for possible inspection by the carrier or its agent. For Machines Mfg. Since 3/11 B A C D G E Inventory Main Inventory 1 (Figure 11) Steady Rest Assembly (Installed)..................
For Machines Mfg. Since 3/11 P R E PA R AT I O N Turn-Nado® Gearhead Lathes Cleaning & 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.
Turn-Nado® Gearhead Lathes P R E PA R AT I O N Location For Machines Mfg. Since 3/11 Weight Load Physical Environment The physical environment where your machine is operated is important for safe operation and longevity of parts. For best results, operate this machine in a dry environment that is free from excessive moisture, hazardous or flammable chemicals, airborne abrasives, or extreme conditions.
For Machines Mfg. Since 3/11 P R E PA R AT I O N Lifting & Moving 5. Turn-Nado® Gearhead Lathes Position hardwood blocking under each end of the bed as shown in Figure 14. This will keep the lifting straps away from the leadscrew, feed rod, and spindle rod to prevent bending them during lifting. Note: Fasten a center support between the hardwood blocking to that they will stay spread apart and in place when lifting (see the example in Figure 15).
Turn-Nado® Gearhead Lathes P R E PA R AT I O N Attach the lifting straps to the power lifting equipment (see Figure 16 for an example). 6. Use Blocks as Necessary to Space Straps Away from Control Rod, Feed Rod, and Leadscrew to Prevent Bending when the Lathe is Lifted Power Lifting Equipment Lifting Straps For Machines Mfg. Since 3/11 Leveling & Mounting You must level your machine and either use the included foot pads and leveling hardware or bolt and shim your lathe to the floor.
P R E PA R AT I O N For Machines Mfg. Since 3/11 To level the machine, use a precision level to make sure the bedways are level from side-toside and from front-to-back. — If using the included leveling pads (see Figure 18), place them under the six leveling jack bolt locations, then adjust the bolts to level the lathe. Turn-Nado® Gearhead Lathes Assembly With the exception of the handwheel handles, the lathe is shipped fully assembled.
Turn-Nado® Gearhead Lathes P R E PA R AT I O N Lubricating Lathe GEARBOXES MUST BE FILLED WITH OIL! LATHE MAY NOT HAVE OIL INCLUDED! Refer to the Lubrication Section in this Manual for Recommended Oil Type. The headstock, quick-change gearbox, and apron oil reservoirs must have the proper amount of oil in them before the lathe can be operated for the first time. Damage caused to the bearings and gears from running the lathe without oil in the reservoirs will not be covered under warranty.
For Machines Mfg. Since 3/11 P R E PA R AT I O N 3. Disconnect power supply! Electrocution could occur if you attempt this procedure with the power wires connected to the power source. The incoming power wires must be disconnected from power before performing this procedure. 2. Connect the incoming hot wires to the master power switch terminals and connect the ground wire to the ground terminal, as illustrated in Figure 23. Ground To Power Supply Connecting Power 1.
Turn-Nado® Gearhead Lathes P R E PA R AT I O N Test Run 4. 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 further until you have resolved the problem. Make sure that the chuck and jaws, if installed, are secure (refer to Chuck and Faceplate Mounting on Page 37).
P R E PA R AT I O N For Machines Mfg. Since 3/11 Move the gearbox range lever on the headstock to the neutral (middle) position to disable power feed, as shown in Figure 27. 7. LOW Neutral HIGH 9. Turn-Nado® Gearhead Lathes To prevent the spindle from rotating when power is applied to the motor, move the spindle lever to the OFF (middle) position (see Figure 28). 10. Turn the master power switch ON, then reset the STOP button by twisting it clockwise until it pops out.
Turn-Nado® Gearhead Lathes P R E PA R AT I O N Note: The spindle clutch is tight when new and may require moderate pressure on the spindle lever to engage it until it is broken in. 13. Move the spindle lever down to start the spindle rotating counterclockwise (down toward the front of the lathe). — If the spindle rotates in the opposite direction (clockwise), the power supply phase polarity may be incorrect. Refer to Correcting Phase Polarity on Page 92 to resolve this. 14.
For Machines Mfg. Since 3/11 P R E PA R AT I O N 27. Use the coolant pump switch on the control panel to start the pump, then open the valve at the base of the nozzle. Verify that the coolant flows from the nozzle, then close the valve and turn the pump OFF. Turn-Nado® Gearhead Lathes 3. Use the foot brake to stop spindle rotation, then reverse spindle rotation with the spindle lever, then run the lathe at 1600 RPM for 10 minutes. 4.
Turn-Nado® Gearhead Lathes O P E R AT I O N For Machines Mfg. Since 3/11 OPERATION Operation Overview To complete a typical operation, the operator does the following: The purpose of this overview is to provide the novice machine operator with a basic understanding of how the machine is used during operation, so they can more easily understand the controls discussed later in this manual. 1.
For Machines Mfg. Since 3/11 O P E R AT I O N Turn-Nado® Gearhead Lathes Chuck & Faceplate Mounting Installation & Removal Devices This lathe is equipped with a D1-type spindle nose. This type of spindle uses camlocks that are adjusted with a chuck key to securely mount a chuck or faceplate with repeatable precision and ease. Because chucks are heavy and often awkward to hold, some kind of lifting, support, or protective device should be used during installation or removal.
O P E R AT I O N Turn-Nado® Gearhead Lathes Chuck Installation To ensure accurate work, it is extremely important to make sure the spindle nose and chuck mating surfaces/tapers are clean. Even a small amount of lint or debris can affect accuracy. For Machines Mfg. Since 3/11 5. Incrementally tighten the camlocks in a criss-cross or star pattern to ensure that the chuck seats evenly against the spindle. 6.
For Machines Mfg. Since 3/11 7. 8. O P E R AT I O N Turn-Nado® Gearhead Lathes Verify that the chuck fits the spindle properly by checking for any gaps between the mating surfaces. Chuck Removal — If there are no gaps, proceed to Step 8. 1. DISCONNECT LATHE FROM POWER! — If there is a gap, remove the chuck, reclean the mating surfaces carefully, and re-install. If the problem persists, contact our Tech Support. 2.
O P E R AT I O N Turn-Nado® Gearhead Lathes For Machines Mfg. Since 3/11 Scroll Chuck Clamping 4-Jaw Chuck This scroll-type chuck has an internal scroll-gear that moves all jaws in unison when adjusted with the chuck key. This chuck will hold cylindrical parts on-center with the axis of spindle rotation and can be rotated at high speeds if the workpiece is properly clamped and balanced. Never mix jaw types or positions to accommodate an odd-shaped workpiece.
O P E R AT I O N For Machines Mfg. Since 3/11 5. Tighten each jaw in small increments. After you have adjusted the first jaw, continue tightening the remaining jaws in an opposing sequence, as shown by the sequential order in Figure 37. 1 3 Workpiece Centerpoint 4 Faceplate Refer to the Chuck Installation (Page 38) and Chuck Removal (Page 39) instructions to install or remove the faceplate.
Turn-Nado® Gearhead Lathes O P E R AT I O N To mount a non-concentric workpiece to the faceplate: 1. DISCONNECT LATHE FROM POWER! 2. Protect the bedway with a piece of plywood. 3. With help from another person or a holding device to support the workpiece, position it onto the faceplate and clamp it in place with a minimum of three independent clamping devices (see Figure 39 for an example).
O P E R AT I O N For Machines Mfg. Since 3/11 Installing Tooling This tailstock uses a quill with an MT#5 taper that has a lock slot in the back of the bore that accepts tang arbors and drill bits (see Figures 41–42 for examples). Solid End Open End Solid End Screw End Tang Turn-Nado® Gearhead Lathes However, other tooling without tangs, such as the four remaining tools shown in Figure 41, can still be used if the potential load will not exceed the strength of the tapered fit.
O P E R AT I O N Turn-Nado® Gearhead Lathes Removing Tooling For Machines Mfg. Since 3/11 To offset the tailstock: 1. 1. Use a shop rag to hold the tool. 2. Rotate the tailstock handwheel counterclockwise until the tool is forced out of the quill. Loosen the hex bolts underneath both ends of the tailstock to release the clamping pressure between the top and bottom castings (see Figure 44).
For Machines Mfg. Since 3/11 O P E R AT I O N Aligning Tailstock to Spindle Centerline This is an essential adjustment that should be verified or performed each time the tailstock is used to turn concentric workpieces between centers or immediately after offsetting the tailstock when turning a taper. If the tailstock is not aligned with the spindle centerline when it is supposed to be, turning results will be inaccurate along the length of the workpiece.
Turn-Nado® Gearhead Lathes O P E R AT I O N Note: If necessary in the following step, refer to Offsetting Tailstock on Page 44 for detailed instructions. Use calipers to measure both ends of the workpiece. 8. — If the test stock 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 48). For Machines Mfg. Since 3/11 Centers Figure 50 shows the MT#5 dead centers included with the lathe.
For Machines Mfg. Since 3/11 O P E R AT I O N Turn-Nado® Gearhead Lathes Live Centers Removing Center from Spindle A live center has bearings that allow the center tip and the workpiece to rotate together; it can be installed in the spindle and the tailstock quill for higher speeds. However, a live center typically does not provide the same level of rigidity as a dead center, and final workpiece accuracy can suffer as a result.
Turn-Nado® Gearhead Lathes O P E R AT I O N Use the tailstock handwheel to feed the quill out from the casting approximately 1". 3. Note: Do not extend the quill more than 2" or stability and accuracy will be reduced. 4. Insert the center into the tailstock quill. 5. Seat the center firmly into the quill during workpiece installation by rotating the quill handwheel clockwise to apply pressure, with the center engaged in the center hole in the workpiece.
O P E R AT I O N For Machines Mfg. Since 3/11 Steady Rest 4. The steady rest supports long shafts and can be mounted anywhere along the length of the bedway. Turn-Nado® Gearhead Lathes Loosen the clamp knob that secures the two halves of the steady rest and open the top portion, as shown in Figure 56. ! Familiarize yourself with the steady rest components shown in Figure 55 to better understand its operation. Finger Adjustment Knob Leaf Screw Finger Roller Clamp Knob Figure 56.
Turn-Nado® Gearhead Lathes O P E R AT I O N For Machines Mfg. Since 3/11 Follow Rest Compound Rest The follow rest mounts to the saddle with two cap screws (see Figure 57). It is used on long, slender parts to prevent workpiece deflection from the pressure of the cutting tool during operation. Adjust the follow rest fingers in the same manner as the those on the steady rest. The compound rest handwheel has an indirectread graduated scale.
For Machines Mfg. Since 3/11 O P E R AT I O N Four-Way Tool Post The four-way tool post is mounted on top of the compound rest and allows a maximum of four tools to be loaded simultaneously. Turn-Nado® Gearhead Lathes Aligning Cutting Tool with Spindle Centerline For most operations, the cutting tool tip should be aligned with the spindle centerline, as illustrated in Figure 61.
O P E R AT I O N Turn-Nado® Gearhead Lathes Tools Needed Qty Tool Post T-Wrench................................................ 1 Steel Shims............................................. As Needed Cutting Tool............................................................ 1 Fine Ruler............................................................... 1 Tailstock Center..................................................... 1 To align the cutting tool with the tailstock center: 1.
O P E R AT I O N For Machines Mfg. Since 3/11 Turn-Nado® Gearhead Lathes Manual Feed Spindle Speed The handwheels shown in Figure 64 allow the operator to manually move the cutting tool. Using the correct spindle speed is important for safe and satisfactory results, as well as maximizing tool life.
O P E R AT I O N Turn-Nado® Gearhead Lathes For Machines Mfg. Since 3/11 Setting Spindle Speed 1. Make sure the spindle is turned OFF and it has come to a complete stop. 2. Find the spindle speed range in the following options that is closest to your calculated spindle speed: Operating the lathe at spindle speeds higher than 350 RPM when the high (H) gearbox range is selected could result in gearbox damage. Always use spindle speeds of 350 RPM or lower when using the high (H) gearbox range.
O P E R AT I O N For Machines Mfg. Since 3/11 Power Feed Controls Use Figures 67–71 and the following descriptions to become familiar with the locations and functions of the controls that you will use to set up the correct power feed for your operation. Turn-Nado® Gearhead Lathes Headstock Feed Direction Lever: Selects the direction of power feed (see Figure 68). Note: The spindle must be stopped to use this lever. When the lathe is running, use the apron feed direction knob.
Turn-Nado® Gearhead Lathes O P E R AT I O N Feed Selection Knob: Selects the carriage or cross slide for power feed (see Figure 70). When the knob is pulled out, the cross slide is selected. Conversely, when the knob is pushed in, the carriage is selected. Apron Feed Direction Knob For Machines Mfg. Since 3/11 Carriage Feed Clutch Knob: Adjusts how easily the carriage clutch will disengage automatic feeding when the carriage contacts a feed stop or in the event of a crash.
O P E R AT I O N For Machines Mfg. Since 3/11 Setting Power Feed Rate The power feed rate chart displays the settings for the headstock feed controls for metric and inch feed rates (see Figure 72). Feed Rate Chart Figure 72. Power feed rate chart. Using the controls on the lathe, follow along with the example below to better understand how to set the lathe for the desired power feed rate. Example: Power Feed Rate of 0.0025"/rev 1.
Turn-Nado® Gearhead Lathes O P E R AT I O N End Gears For Machines Mfg. Since 3/11 Alternate End Gear Configuration The end gears on the side of the headstock can be setup for the standard or alternate configuration, depending upon the type of operation to be performed. The lathe is shipped with the end gears in the standard configuration. Use the alternate end gear configuration when cutting modular or diametral pitches, as illustrated in Figure 75.
For Machines Mfg. Since 3/11 4. O P E R AT I O N Loosen the pivot arm hex nut shown in Figure 76, then swing the pivot arm to the left so that the 44T/56T gears are away from the 57T gear. Hand tighten the hex nut to keep the arm in place. As you remove and replace end gears, use a stiff brush and mineral spirits to clean away the debris and grime from them, then re-lubricate them as instructed in End Gears on Page 73. 5. 6. 7.
Turn-Nado® Gearhead Lathes O P E R AT I O N For Machines Mfg. Since 3/11 Note: In the next step, use the chuck key to rock the spindle back and forth to help mesh the gears as you make adjustments. 3. For a metric thread pitch of 2.5mm, use the configuration string of characters to the right of the selected thread pitch (LCR3Z) to position the threading controls as follows: L Move the gearbox range lever to the low position. C Point the left gearbox lever to the C.
For Machines Mfg. Since 3/11 O P E R AT I O N Turn-Nado® Gearhead Lathes Thread Dial Thread Dial Chart The numbers on the thread dial are used with the thread dial chart to show when to engage the half nut during inch threading. The thread dial gear must be engaged with the leadscrew for this to work. Loosen the knurled knob on the thread dial, pivot the dial gear toward the leadscrew so that it properly meshes with the leadscrew threads, then re-tighten the knob, as shown Figure 80.
Turn-Nado® Gearhead Lathes O P E R AT I O N For Machines Mfg. Since 3/11 Even TPI Not Divisible By 4 1 For threading a TPI that is even but not divisible by 4, use any of the non-numbered lines on the thread dial (see Figure 83). For TPI that have a 1⁄4 or 3⁄4 fraction, use position 1 on the thread dial (see Figure 86). TPI TPI 2,6,10,14, 18,22,26, 30,54 ⁄4 or 3⁄4 Fractional TPI NonNumbered Position 2¼,2¾, 3¼,3¾ Position 1 Only Figure 86. Position for 1⁄4 or 3⁄4 fractional TPI. Figure 83.
O P E R AT I O N For Machines Mfg. Since 3/11 Turn-Nado® Gearhead Lathes Chip Drawer Coolant System The chip drawer catches swarf and metal chips during the machining process. It contains a screen that keeps the large chips from returning to the reservoir with the run-off coolant—this prevents the chips causing pump damage. When the coolant pump is turned ON, the fluid is delivered through the nozzle attached to the carriage.
Turn-Nado® Gearhead Lathes O P E R AT I O N For Machines Mfg. Since 3/11 Rod Support BIOLOGICAL & POISON HAZARD! Use the correct personal protection equipment when handling coolant. Follow federal, state, and fluid manufacturer requirements for proper disposal. Running the pump without adequate fluid in the coolant tank may permanently damage it, which will not be covered under warranty.
For Machines Mfg. Since 3/11 ACC ESSOR I ES ACCESSORIES Accessories This section includes the most common accessories available for your lathe, which may be available through your local South Bend Lathe Co. dealer. If you do not have a dealer in your area, please call us at (360) 734-1540 or email us at cs@southbendlathe.com.
Turn-Nado® Gearhead Lathes MAINTENANCE MAINTENANCE Maintenance Schedule OFF Always disconnect power to the machine before performing maintenance. Failure to do this may result in electrocution or accidental startup injury. Daily, After Operations • • • Ongoing The condition of machine components should be carefully observed at all times to minimize the risk of injury or machine damage.
Day 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Refer to the coolant manufacture's instructions for more information regarding coolant condition, replacement, disposal, and safety. 2 Maintenance Chart Change Coolant Change Apron Oil Change Headstock Oil Change Gearbox Oil Service Item Make copies of this page to use each month. Keep each chart as a maintenance record for your South Bend Lathe.
Turn-Nado® Gearhead Lathes MAINTENANCE Lubrication For Machines Mfg. Since 3/11 Changing Headstock Oil Headstock The headstock is supplied with oil from the oil tank in the base of the left stand. When the spindle motor is started, a belt-driven oil pump circulates oil across the headstock gears before spindle rotation is started. Checking & Adding Oil Oil Type...Mobil DTE Light or ISO 32 Equivalent Oil Amount........................................... 15.9 Quarts Check/Add Frequency..................
For Machines Mfg. Since 3/11 4. MAINTENANCE Staying well away from the V-belts, reconnect the lathe to power and press the spindle motor ON button—DO NOT start spindle rotation! This will pump oil from the tank into the bucket. 5. When oil stops flowing out of the supply hose, immediately press the spindle motor OFF button and disconnect the lathe from power. 6.
Turn-Nado® Gearhead Lathes MAINTENANCE For Machines Mfg. Since 3/11 Draining Oil Draining Oil & Flushing Reservoir Place a catch pan under the quick-change gearbox drain plug (see Figure 100), loosen the fill plug and remove the drain plug, then allow the gearbox reservoir to empty. Since the apron oil reservoir supplies the oneshot oiler, the oil is constantly being refreshed when the reservoir is filled. However, small metal particles may accumulate at the bottom of the reservoir with normal use.
For Machines Mfg. Since 3/11 MAINTENANCE One-Shot Oiler The one-shot oiler shown in Figure 103 lubricates the saddle ways with oil from the apron reservoir. Turn-Nado® Gearhead Lathes Check the apron oil level through the sight glass before using the one-shot oiler to ensure the proper oil level. To use the one-shot oiler, pull the pump knob out for two or three seconds and then push it in. The pump draws oil from the apron reservoir and then forces it through drilled passages to the way guides.
Turn-Nado® Gearhead Lathes MAINTENANCE For Machines Mfg. Since 3/11 Longitudinal Leadscrew Oil Type....... Mobil Vactra 2 or ISO 68 Equivalent Oil Amount............................................. As Needed Lubrication Frequency.................................... Daily Before lubricating the leadscrew, clean it first with mineral spirits. A stiff brush works well to help clean out the threads. Make sure to move the carriage out of the way, so you can clean the entire length of the leadscrew.
For Machines Mfg. Since 3/11 MAINTENANCE End Gears Grease Type................................................ NLGI#2 Frequency................. Annually or When Changing The end gears, shown in Figure 107, should always have a thin coat of heavy grease to minimize corrosion, noise, and wear. Wipe away excess grease that could be thrown onto the V-belts and reduce optimal power transmission from the motor. Lubricating 1. DISCONNECT LATHE FROM POWER! 2.
Turn-Nado® Gearhead Lathes MAINTENANCE Coolant System Service The coolant system consists of a fluid tank, pump, and flexible nozzle. The pump pulls fluid from the tank and sends it to the valve, which controls the flow of coolant to the nozzle. As the fluid leaves the work area, it drains back into the tank through the chip drawer and catch tray where the swarf is screened out. Use Figures 108–109 to identify the locations of the coolant system controls and components.
For Machines Mfg. Since 3/11 MAINTENANCE Adding Fluid Turn-Nado® Gearhead Lathes To change the coolant: 1. DISCONNECT LATHE FROM POWER! 1. 2. Remove the vented access cover from the rear of the right stand, then slide the tank out, as shown in Figure 110. Position the coolant nozzle over the back of the backsplash so that it is pointing behind the lathe. 2. Place the 5-gallon bucket behind the lathe and under the coolant nozzle.
Turn-Nado® Gearhead Lathes 9. MAINTENANCE Slide the tank partially into the base and reconnect the fluid hose. Tip: Leave one or more magnets at the bottom of the tank to collect metal chips and make cleanup easier next time. This will also help keep small metal chips out of the pump. 10. Refill the tank with new coolant, then slide it completely into the base. 11. Replace the access cover panel. 12. Re-connect the lathe to power and point the nozzle into the chip drawer. 13.
For Machines Mfg. Since 3/11 SERVICE SERVICE Turn-Nado® Gearhead Lathes Backlash Adjustment Cross Slide Backlash is the amount of free play felt while changing rotation directions with the handwheel. This can be adjusted on the compound rest and cross slide leadscrews. Before beginning any adjustment, make sure that all associated components have been cleaned and lubricated. Hex Wrench 3mm.................................................. 1 Hex Wrench 5mm .............................................
SERVICE Turn-Nado® Gearhead Lathes Leadscrew End Play Adjustment Gib Adjustment After a long period of time, you may find that the leadscrew develops a small amount of end play. This end play can be removed with an easy adjustment. Tools Needed: Qty Open End Wrench 36mm or 1 ⁄16"......................... 1 Hex Wrench 3mm.................................................. 1 7 To remove leadscrew end play: 1. DISCONNECT LATHE FROM POWER! 2. Loosen both retaining nut set screws (see Figure 113).
For Machines Mfg. Since 3/11 SERVICE Figures 114–118 show the location of the adjustment screws for each gib on this machine. Compound Rest Gib Adjustment Screw (1 of 2) Cross Slide Gib Adjustment Screw (1 of 2) Turn-Nado® Gearhead Lathes Note: Remove the thread dial body and the carriage lock clamp to access the saddle gib adjustment screw on the tailstock side (see Figure 117). Carriage Lock Clamp Figure 114. Compound and cross slide gib adjustment screws. Figure 117. Carriage lock clamp.
Turn-Nado® Gearhead Lathes SERVICE Half Nut Adjustment The clamping pressure of the half nut is fully adjustable with a gib that can be loosened or tightened by two set screws. Use this procedure to adjust the half nut if it becomes loose from wear, or it is too tight for your preferences. A half nut that is too loose will make it difficult to produce accurate work. A half nut that is too tight will increase the rate of wear on itself and the leadscrew. Tool Needed: Qty Hex Wrench 3mm.................
For Machines Mfg. Since 3/11 SERVICE Turn-Nado® Gearhead Lathes Spindle Clutch Adjustment Required for Procedure Qty Wrench 4mm..........................................................1 Another Person......................................................1 This lathe uses a dual-clutch mechanism to drive the spindle.
SERVICE Turn-Nado® Gearhead Lathes Study Figure 124 to determine the adjustments that will be required in the following steps. 6. Forward Adjustment Ring Tighten Clutch components get hot during operation. To avoid burn injuries, wear heavy leather gloves or allow components to cool before service. Reverse Adjustment Ring Loosen 7. Loosen Tighten Reverse Drive Clutch Forward Drive Clutch Symptom Required Action Spindle lever will not engage FORWARD. Loosen Forward Adjustment Ring as needed.
For Machines Mfg. Since 3/11 8. SERVICE Loosen the appropriate adjustment ring one notch, then remove your hand from inside the headstock. Have an assistant try to engage the troublesome lever position while you manually rotate the input pulley on the headstock. DO NOT rotate the pulley while your hands are inside the headstock. Tip: When rotating the adjustment ring, hold the adjustment ring stationary and rotate the input pulley to make the adjustment.
SERVICE Turn-Nado® Gearhead Lathes Leadscrew Shear Pin Replacement For Machines Mfg. Since 3/11 To replace the shear pin: 1. DISCONNECT LATHE FROM POWER! 2. Clean debris and grime from the shear pin area (see Figure 128). The leadscrew is secured to a connecting collar that is part of the headstock drivetrain with the use of a soft-metal shear pin.
For Machines Mfg. Since 3/11 5. SERVICE Move the retaining ring shown in Figure 130 away from the shroud washer, then move the shroud washer away from the shear pin and against the retaining ring. This will create room for you to remove the shear pin. Retaining Ring Figure 130. Shear pin access. 6. Use the magnet to remove the shear pin head. 7. Rotate the lathe spindle to line up the inner and outer bores, as shown in Figure 131, and use the magnet to remove the other half of the broken shear pin.
Turn-Nado® Gearhead Lathes SERVICE 11. Return the retaining ring against the shroud washer and position the retaining ring ears over the shear pin head, as shown in Figure 134. This will prevent the shear pin from falling out if the shroud washer should rotate during operation. For Machines Mfg. Since 3/11 Tools Needed: Qty Hex Wrenches 6mm............................................... 1 Hex Wrench 8mm.................................................. 1 Wrench 17mm....................................
For Machines Mfg. Since 3/11 SERVICE Gap Installation 1. Use mineral spirits and a clean lint-free rag to clean the mating surfaces of the gap, bed, and ways. If necessary, stone the mating surfaces to remove scratches, dings, or burrs. 2. Wipe a thin layer of light machine oil on the mating surfaces. 3. Place the gap insert into the gap and use a dead-blow hammer to align the insert with the lathe bed. 4.
Turn-Nado® Gearhead Lathes TROU B LESHOOTI NG For Machines Mfg. Since 3/11 TROUBLESHOOTING If you need replacement parts, or if you are unsure how to do any of the solutions given here, feel free to call us at (360) 734-1540. Symptom Machine does not start or a circuit breaker trips. Possible Cause Possible Solution 1. (First time operation only) Lathe is wired out of phase. 1. Correct out-of-phase wiring (refer to Page 92 for details). 2. STOP button is engaged or at fault. 2.
For Machines Mfg. Since 3/11 Symptom Entire machine vibrates upon startup and while running. TROU B LESHOOTI NG Possible Cause 1. Workpiece is unbalanced. 2. Workpiece is hitting stationary object. Turn-Nado® Gearhead Lathes Possible Solution 1. Re-install workpiece as centered with the spindle bore as possible. Stop lathe immediately and correct interference problem. 3. Loose or damaged V-belt(s). 2. Re-tension/replace the V-belt(s) as necessary (see Page 80). 4.
Turn-Nado® Gearhead Lathes Symptom TROU B LESHOOTI NG For Machines Mfg. Since 3/11 Possible Cause Possible Solution Workpiece is tapered. 1. Spindle and tailstock centerlines are not properly aligned with each other. 1. Realign the tailstock to the headstock spindle bore centerline (see Page 45). Chuck jaws will not move or do not move easily. 1. Chips lodged in the jaws or scroll plate. 1. Remove jaws, clean and lubricate scroll plate, then replace jaws.
For Machines Mfg. Since 3/11 ELECTRICAL Turn-Nado® Gearhead Lathes ELECTRICAL Electrical Safety Instructions These pages are accurate at the time of printing. In the constant effort to improve, however, we may make changes to the electrical systems of future machines. Study this section carefully. If you see differences between your machine and what is shown in this section, call Technical Support at (360) 734-1540 for assistance BEFORE making any changes to the wiring on your machine.
Turn-Nado® Gearhead Lathes ELECTRICAL Correcting Phase Polarity 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.
ELECTRICAL For Machines Mfg.
Turn-Nado® Gearhead Lathes ELECTRICAL For Machines Mfg. Since 3/11 visual index Component Location Index Electrical Cabinet Page 95 Work Lamp Page 99 Master Power Switch Page 95 Coolant Pump Motor Page 97 Spindle Motor Page 97 Control Panel Page 98 Chuck Guard Safety Switch Page 99 End Gear Cover Safety Switch Page 99 Figure 138. Component location index.
ELECTRICAL For Machines Mfg. Since 3/11 Turn-Nado® Gearhead Lathes box1 Electrical Cabinet To Chuck Guard Safety Switch, Page 99 To Work Lamp, Page 99 E 6 6 L1 A1 3 A2 L3 L1 1 L1 3 L2 R L3 7 L4 4 25 T2 6 T3 AMP 1 Master Power Switch 4 2 T1 L1 L1 8 T4 L2 L1 3 L3 L2 5 L3 7 7 L4 5 L3 2 T1 4 0.4 0.35 T2 21 6 T3 8 T4 OL Relay AB193T AB 193T AMP 0.
Turn-Nado® Gearhead Lathes ELECTRICAL box photo Electrical Box Figure 139. Electrical box. -96- For Machines Mfg.
ELECTRICAL For Machines Mfg. Since 3/11 Turn-Nado® Gearhead Lathes spindle and pump motor Spindle Motor W6 U1 U5 U2 U U6 V5 V2 V1 V W5 W2 V6 W1 W Junction Box Gn Ground Spindle Motor Figure 140. Spindle motor location. To Electrical Box, Page 95 Coolant Pump To Electrical Box, Page 95 1 2 3 Coolant Pump U1 W1 V1 5 W1 6 Gn 4 V1 Figure 141. Coolant pump location.
ELECTRICAL Turn-Nado® Gearhead Lathes For Machines Mfg. Since 3/11 Control Panel COMMON NO 0 A1 1 A1 1 2 NC control panel and motor NC NC 3 4 NO NO Figure 142. Control panel wiring.
ELECTRICAL For Machines Mfg. Since 3/11 Turn-Nado® Gearhead Lathes Additional Components Work Lamp End Gear Cover Safety Switch additional compontnet Figure 143. End Gear Cover Safety switch location. End Gear Cover Safety Switch, Figure 143 Chuck Guard Safety Switch COMMON NO To Electrical Box, Page 95 0 NC A1 Chuck Guard Safety Switch, Figure 144 To Electrical Box, Page 95 Figure 144. Chuck Guard Safety switch location.
PARTS Turn-Nado® Gearhead Lathes For Machines Mfg.
PARTS For Machines Mfg.
Turn-Nado® Gearhead Lathes PARTS For Machines Mfg.
122 F 121 120 113 119 118 112 115 141 138 132 E 111 117 138 132 152 175 185 109 114 108 132 151 149 124 166 102 101 F 103 129 130 149 128 127 142 125 143 126 145 144 E 141 148 140 147 155 D 139 160 159 158 162 122 157 156 161 154 164 163 157 146 150 149 151 176 153 A 124 PARTS C 127 166 165 131 167 168 128 177 170 165 169 123 171 128122 180 179 178 106 105 104 172 182 143 181 183 107 174 173 162 184 136 135 134 133 115 110 116 137 D
-104- C 122 214 215 179 203 218 132 219 128 220 216 221 222 B 208 223 217 209 224 210 187 G 143 211 191 194 192 122 193 201 188 195 203 194 202 194 194 162 196 205 194 208 I 143 204 143 187 188 207 206 141 197 196 194 L M 186 187 K 186 187 190 188 199 200 198 188 189 PARTS J 162 213 196 H 212 226 139 225 Turn-Nado® Gearhead Lathes For Machines Mfg.
For Machines Mfg.
Turn-Nado® Gearhead Lathes PARTS For Machines Mfg.
312 G3 309 309 318 314 315 314 320 316 321 318 317 322 319 426 427 305 428 308 305 307 325 326 327 323 328 341 340 339 331 330 329 334 371 370 346 345 344 343 342 333 332 331 366 367 363 306 354 353 372 306 355 369 G2 G3 368 365 361 352 333 329 338 330 329 324 330 337 329 314 308 336 360 329 G1 324 351 335 359 324 350 358 G2 314 349 357 348 356 309 347 324 G3 314 310 309 362 364 363 302 PARTS 313 G2 301 G1 302 304 303 306 311 315 318 306 G1 For Machines Mfg.
PARTS Turn-Nado® Gearhead Lathes For Machines Mfg.
For Machines Mfg.
Turn-Nado® Gearhead Lathes PARTS For Machines Mfg.
PARTS For Machines Mfg.
PARTS Turn-Nado® Gearhead Lathes For Machines Mfg.
For Machines Mfg.
Turn-Nado® Gearhead Lathes PARTS For Machines Mfg. Since 3/11 Apron Parts List REF PART # DESCRIPTION REF PART # DESCRIPTION 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 PSB1046PF0604 PRP04M PSB1046PF0606 PSB1046PF0607 PSB1046PF0608 PSB1046PF0609 PLN09M PSB1046PF0611 PSB1046PF0612 PSB1046PF0613 PSB1046PF0614 PRP05M PSB1046PF0616 PLN05M PSB1046PF0618 PRP04M SPRING CUP ROLL PIN 4 X 24 TRIP ROD TRIP ROD SPACER COMPRESSION SPRING TRIP ROD OUTER SPACER LOCK NUT M12-1.
PARTS For Machines Mfg. Since 3/11 Turn-Nado® Gearhead Lathes End Gears 705 713 714 706 704 703 702 715 712 706 707 707 717 716 702 708 701 709 706 711 710 709 708 707 706 701 REF PART # DESCRIPTION REF PART # DESCRIPTION 701 702 703 703 704 704 705 706 707 708 709 PB25M PSB1046PF0702 PSB1046PF0703 PSB1056F0703 PSB1046PF0704 PSB1056F0704 PK166M PN32M PSB1046PF0707 PR25M P6005ZZ HEX BOLT M12-1.
-116- 848 862 832-5 832-4 832-1 864 847 832-3 851 846 849 850 851 840 839 838 837 837 840 839 845 842 854 843 842 841 844 834 833 806 835 836 808 827 807 810 809 812 811 853 852 816 817 818 831 819 818 817 832 820 815 855 856 814 822 823 824 825 803 804 826 830 828 829 827 821 805 802 801 PARTS 832-2 863 813 861 858 857 860 859 857 858 Turn-Nado® Gearhead Lathes For Machines Mfg.
For Machines Mfg.
PARTS Turn-Nado® Gearhead Lathes For Machines Mfg.
PARTS For Machines Mfg.
Turn-Nado® Gearhead Lathes PARTS For Machines Mfg.
PARTS For Machines Mfg.
-122- 1160 1172 1166 1103 1161 1167 1168 1173 1174 1176 1175 1177 1178 1179 1176 1182 1181 1176 1180 1181 SB1047PF, SB1058F ONLY 1169 1170 1171 1126 1182 1176 1119 1107 1120 SB1048PF ONLY 1127 1125 1128 1158 1157 1156 1110 1148 1149 1155 1146 1135 1116 1136 1134 1147 1150 1118 1109 1103 1145 1140 1130 1108 1107 1102 1115 1111 1129 1139 1138 1137 1117 1116 1105 1106 1104 PARTS 1181 1180 1173 1174 1176 1175 1177 1178 1179 1176 1181 1180 1172 1159 1108 1101 Turn-N
For Machines Mfg.
-124- 1243 1202 1206 1201 1203 1205 1245 1211 1208 1252 1207 1218 1217 1229 1250 1212 1213 1205 1206 1246 1247 1223 1224 1225 1210 1205 1209 1206 1205 1206 1214 1222 1216 1220 1221 1215 1219 1227 1231 1241 1237 1225 1240 1244 1224 1223 1233 1249 1248 1226 1232 1239 1204 1235 1224 1238 1236 1225 1234 1205 PARTS 1204 1240 1242 1228 1230 1251 Turn-Nado® Gearhead Lathes For Machines Mfg.
For Machines Mfg.
PARTS Turn-Nado® Gearhead Lathes For Machines Mfg.
For Machines Mfg.
PARTS Turn-Nado® Gearhead Lathes For Machines Mfg.
PARTS For Machines Mfg.
PARTS Turn-Nado® Gearhead Lathes Thread Dial For Machines Mfg.
PARTS For Machines Mfg.
PARTS Turn-Nado® Gearhead Lathes For Machines Mfg.
PARTS For Machines Mfg.
PARTS Turn-Nado® Gearhead Lathes For Machines Mfg. Since 3/11 Front Machine Labels NOTICE 2102 Located above cutting fluid! tank access panel Always wear ANSI approved safety glasses when using this machine. Only trained and properly supervised personnel are allowed to operate this machine. If safe operation procedures are not clearly understood, request additional training from a supervisor before beginning operation.
PARTS For Machines Mfg. Since 3/11 Turn-Nado® Gearhead Lathes Rear Machine Labels 2118 2103 ! WARNING! ! EYE INJURY HAZARD Always wear ANSI approved safety glasses when using this machine. ! WARNING! ! INJURY/SHOCK HAZARD To avoid shock or accidental starting, disconnect power before adjusting or servicing machine. ! WARNING! ENTANGLEMENT HAZARD Remove or secure loose clothing, hair or jewelry to reduce the risk of serious injury or death.
WAR R ANT Y 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.
South Bend Lathe Co. P.O. Box 2027 Bellingham, WA 98227 PHONE: (360) 734-1540 (Administrative Offices) FAX: (360) 676-1075 (International) FAX: (360) 734-1639 (USA only) southbendlathe.com Printed In U.S.A.