3" HEAVY 13® GEARHEAD LATHE MODEL SB1049 13" X 30" MODEL SB1050 13" X 40" OWNER'S MANUAL © January, 2012 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.......................................
Setting Spindle Speed ........................................ 50 Configuration Examples..................................... 50 Power Feed ......................................................... 51 Power Feed Controls .......................................... 52 Setting Power Feed Rate .................................... 53 End Gears........................................................... 54 Standard End Gear Configuration ...................... 54 Alternate Configuration .............................
For Machines Mfg. Since 5/11 INTRODUCTION 13" Heavy 13® Gearhead Lathe 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 13" Heavy 13® Gearhead Lathe For Machines Mfg. Since 5/11 General Identification G F D A H E I C B J K U T L S M N R Q P O Figure 1. Identification. Spindle Speed Levers (see Page 50 for details) B. D1-5 Camlock MT#5 Spindle C. 3-Jaw Chuck 8" D. Chuck Guard w/Safety Switch E. Steady Rest F. Follow Rest G. 4-Way Tool Post H. Halogen Work Lamp I. Coolant Nozzle & Valve J. Compound Rest K. Tailstock (see Page 7 for details) A.
INTRODUCTION For Machines Mfg. Since 5/11 Controls & Components Refer to Figures 2–6 and the following descriptions to become familiar with the basic controls of this lathe. Master Power Switch The rotary switch shown in Figure 2 toggles incoming power ON and OFF to the lathe controls. It also prevents the electrical cabinet door from being opened when the switch is ON. Master Power Switch 13" Heavy 13® Gearhead Lathe A.
INTRODUCTION 13" Heavy 13® Gearhead Lathe Control Panel For Machines Mfg. Since 5/11 K. 4-Way Tool Post: Mounts up to four cutting tools at once that can be individually indexed to the workpiece. L. Compound Rest Handwheel: Moves the tool toward and away from the workpiece at the preset angle of the compound rest. M. One-Shot Oiler: Draws oil from the apron reservoir to lubricate the carriage ways through various oil ports. G H N. J I Figure 4. Control panel. G.
INTRODUCTION For Machines Mfg. Since 5/11 Tailstock 13" Heavy 13® Gearhead Lathe End Gears W V X AA Configuring the end gears shown in Figure 7 will control the speed of the leadscrew for threading or the feed rod for power feed operations. The rotational speed of these components depends not only on the end gear configuration, but the spindle speed as well. Y Z Figure 6. Tailstock controls. V. Quill Lock Lever: Secures the quill in position. W.
13" Heavy 13® Gearhead Lathe INTRODUCTION For Machines Mfg. Since 5/11 Product Specifications Product Specifications P.O. Box 2027, Bellingham, WA 98227 U.S.A. 0(/.% s © South Bend Lathe Co. www.southbendlathe.com MODEL SB1049 & SB1050 13" HEAVY 13® GEARHEAD LATHES Model Number SB1049 SB1050 1870 lbs. 2205 lbs.
For Machines Mfg. Since 5/11 Model Number INTRODUCTION 13" Heavy 13® Gearhead Lathe SB1049 SB1050 Main Motor Type TEFC Induction Horsepower 3 HP Voltage 220V Phase Single-Phase Amps 19A Speed 1720 Cycle 60 Hz Power Transfer V-Belt & Gear Bearings Shielded & Permanently Sealed Coolant Motor Type TEFC Induction Horsepower 1 Voltage 220V Phase ⁄8 HP Single-Phase Amps 0.
13" Heavy 13® Gearhead Lathe Model Number INTRODUCTION For Machines Mfg. Since 5/11 SB1049 SB1050 Headstock Information Spindle Bore 1.57" Spindle Taper MT#5 Number of Spindle Speeds 8 Range of Spindle Speeds 80–2000 RPM Spindle Type D1-5 Camlock Spindle Bearings Tapered Roller Tailstock Information Tailstock Quill Travel 4.5" Tailstock Taper MT#3 Tailstock Barrel Diameter 1.968" Threading Information Number of Longitudinal Feeds 17 Range of Longitudinal Feeds 0.002"–0.
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13" Heavy 13® Gearhead Lathe SAFETY For Machines Mfg. Since 5/11 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.
For Machines Mfg. Since 5/11 SAFETY 13" Heavy 13® Gearhead Lathe 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.
13" Heavy 13® Gearhead Lathe SAFETY For Machines Mfg. Since 5/11 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.
For Machines Mfg. Since 5/11 SAFETY 13" Heavy 13® Gearhead Lathe 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.
13" Heavy 13® Gearhead Lathe P R E PA R AT I O N For Machines Mfg. Since 5/11 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. 3.
For Machines Mfg. Since 5/11 P R E PA R AT I O N 13" Heavy 13® Gearhead Lathe Power Supply Requirements The full-load current is not the maximum amount of amps that the machine will draw. If the machine is overloaded, it will draw additional amps beyond the full-load rating. Availability If the machine is overloaded for a sufficient length of time, damage, overheating, or fire may result—especially if connected to an undersized circuit.
13" Heavy 13® Gearhead Lathe P R E PA R AT I O N For Machines Mfg. Since 5/11 Grounding Requirements Extension Cords 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. We do not recommend using an extension cord with this machine. If you must use an extension cord, only use it if absolutely necessary and only on a temporary basis.
For Machines Mfg. Since 5/11 P R E PA R AT I O N 13" Heavy 13® Gearhead Lathe Unpacking B A 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. D Inventory Main Inventory 1: (Figure 10) A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. P. Q. R. S. T.
13" Heavy 13® Gearhead Lathe P R E PA R AT I O N For Machines Mfg. Since 5/11 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.
P R E PA R AT I O N For Machines Mfg. Since 5/11 13" Heavy 13® Gearhead Lathe Weight Load Location Physical Environment The physical environment where your machine is operated is important for safe operation and longevity of parts. For best results, operate this machine in a dry environment that is free from excessive moisture, hazardous or flammable chemicals, airborne abrasives, or extreme conditions.
13" Heavy 13® Gearhead Lathe P R E PA R AT I O N Lifting & Moving 5. For Machines Mfg. Since 5/11 Position hardwood blocks under each end of the bed as shown in Figure 13. This will keep the lifting straps away from the leadscrew, feed rod, and spindle rod to prevent bending them during lifting.
For Machines Mfg. Since 5/11 6. P R E PA R AT I O N Attach the lifting straps to the power lifting equipment (see Figure 15 for an example). 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 13" Heavy 13® Gearhead Lathe 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 13" Heavy 13® Gearhead Lathe 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 17), place them under the six leveling jack bolt locations, then adjust the bolts to level the lathe. For Machines Mfg. Since 5/11 Assembly With the exception of the handwheel handles, the lathe is shipped fully assembled.
For Machines Mfg. Since 5/11 P R E PA R AT I O N In addition to the reservoirs, we also recommend that you lubricate all other points on the machine at this time. This can be accomplished by following the maintenance schedule on Page 64. 2. 13" Heavy 13® Gearhead Lathe Thread the power cord through the strain relief, and up to the master power switch shown in Figure 20.
13" Heavy 13® Gearhead Lathe 5. P R E PA R AT I O N Make sure the power cord and wires have slack between the strain relief and terminal connections so that they do not bind, then tighten the strain relief to secure the cord. Note: The strain relief must be tightened against the outer jacket of the cord. Avoid overtightening the strain relief or it may crush the cord and cause a short. For Machines Mfg.
For Machines Mfg. Since 5/11 P R E PA R AT I O N 3. Clear away all tools and objects used during assembly, lubrication, and preparation. 4. Make sure that the chuck and jaws, if installed, are secure (refer to Chuck and Faceplate Mounting on Page 32). Note: During the next step, you may need to use the chuck key rock the spindle back and forth while attempting to shift so the gears will mesh. If you do this, be sure to remove the chuck key afterward. 7.
13" Heavy 13® Gearhead Lathe P R E PA R AT I O N 8. Turn the master power switch on the electrical cabinet to the ON position. 9. Reset the STOP button by twisting it clockwise until it pops out. The power lamp on the control panel should illuminate. 10. To ensure the carriage components do not unexpectedly move during the following steps, disengage the half nut lever and feed selection lever (see Figure 26).
For Machines Mfg. Since 5/11 P R E PA R AT I O N 15. Move the spindle lever to the OFF (middle) position. Remove the end gear cover from the left side of the headstock. This activates a safety switch that should prevent the spindle from starting while this cover is removed. 16. Stand away from all the exposed gears on the side of the headstock, and attempt to start spindle rotation. The spindle should not start.
13" Heavy 13® Gearhead Lathe P R E PA R AT I O N Spindle Break-In Before subjecting the lathe to full loads, it is essential to complete the spindle break-in process as described below. This will ensure the best results and maximum life of the precision components inside the lathe. The break-in procedure must be performed in succession with the Test Run procedure described in this manual, because many of the test run steps prepare the lathe controls for the break-in process.
For Machines Mfg. Since 5/11 O P E R AT I O N 13" Heavy 13® Gearhead Lathe 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.
13" Heavy 13® Gearhead Lathe O P E R AT I O N For Machines Mfg. Since 5/11 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 For Machines Mfg. Since 5/11 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. 13" Heavy 13® Gearhead Lathe 5. Incrementally tighten the camlocks in a criss-cross or star pattern to ensure that the chuck seats evenly against the spindle. 6.
13" Heavy 13® Gearhead Lathe 7. 8. O P E R AT I O N For Machines Mfg. Since 5/11 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 For Machines Mfg. Since 5/11 13" Heavy 13® Gearhead Lathe 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.
13" Heavy 13® Gearhead Lathe 5. O P E R AT I O N 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 35. 1 3 Workpiece Center Point 4 After the workpiece is held in place by the jaws, use a dial indicator to make sure the workpiece is centered in the chuck.
For Machines Mfg. Since 5/11 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 37 for an example).
13" Heavy 13® Gearhead Lathe O P E R AT I O N 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 39–40 for examples). Solid End Open End Solid End Screw End Tang For Machines Mfg. Since 5/11 However, other tooling without tangs, such as the four remaining tools shown in Figure 39, can still be used if the potential load will not exceed the strength of the tapered fit.
13" Heavy 13® Gearhead Lathe O P E R AT I O N For Machines Mfg. Since 5/11 To offset the tailstock: Removing Tooling 1. 1. Use a shop rag to hold the tool. 2. Rotate the quill 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 42).
13" Heavy 13® Gearhead Lathe 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. For Machines Mfg.
For Machines Mfg. Since 5/11 O P E R AT I O N Note: If necessary in the following step, refer to Offsetting Tailstock on Page 39 for detailed instructions. 8. Use calipers to measure both ends of the workpiece. — 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 46). 13" Heavy 13® Gearhead Lathe Centers Figure 48 shows the MT#5 dead centers included with the lathe.
13" Heavy 13® Gearhead Lathe O P E R AT I O N For Machines Mfg. Since 5/11 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.
For Machines Mfg. Since 5/11 3. O P E R AT I O N Use the quill handwheel to feed the quill out from the casting approximately 1". Note: Do not extend the quill more than 2" or stability and accuracy will be reduced. 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.
13" Heavy 13® Gearhead Lathe O P E R AT I O N 4. Steady Rest The steady rest supports long shafts and can be mounted anywhere along the length of the bedway. For Machines Mfg. Since 5/11 Loosen the clamp knob that secures the two halves of the steady rest and open the top portion, as shown in Figure 54. ! Familiarize yourself with the steady rest components shown in Figure 53 to better understand its operation. Finger Adjustment Knob Leaf Screw Figure 54. Workpiece mounted in the steady rest.
For Machines Mfg. Since 5/11 O P E R AT I O N 13" Heavy 13® Gearhead Lathe Follow Rest Carriage & Slide Locks The follow rest mounts to the saddle with two cap screws (see Figure 55). 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.
13" Heavy 13® Gearhead Lathe O P E R AT I O N For Machines Mfg. Since 5/11 Compound Rest Four-Way Tool Post The compound rest handwheel has an indirectread graduated scale. This means that the distance shown on the scale represents the actual distance the cutting tool moves. The base of the compound rest has another graduated scale used for setting the cutting tool to a specific angle.
For Machines Mfg. Since 5/11 O P E R AT I O N Aligning Cutting Tool with Spindle Centerline For most operations, the cutting tool tip should be aligned with the spindle centerline, as illustrated in Figure 60. Cutting Tool Spindle Center Line Figure 60. Cutting tool aligned with spindle centerline (viewed from tailstock). Tools Needed s s Align the tip of the cutting tool with a center installed in the tailstock, as instructed on the next page.
13" Heavy 13® Gearhead Lathe O P E R AT I O N For Machines Mfg. Since 5/11 Adjustable Feed Stop Micrometer Stop Use the adjustable feed stop collar (shown in Figure 62) to set the location where the carriage should disengage from power feed. The micrometer stop allows you to stop the carriage at the same position for repeat cuts, such as when turning up to a shoulder. The micrometer stop includes a graduated dial that allows you to precisely position the stop.
O P E R AT I O N For Machines Mfg. Since 5/11 13" Heavy 13® Gearhead Lathe 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.
13" Heavy 13® Gearhead Lathe O P E R AT I O N For Machines Mfg. Since 5/11 Setting Spindle Speed Configuration Examples Selecting one of the 8 spindle speeds available is a combination of configuring the spindle range lever and the spindle speed lever shown in Figure 66. Using the controls on the lathe, follow along with these two examples for setting the spindle speed to gain a better understanding of this task. Setting Spindle Speed of 200 RPM 1.
O P E R AT I O N For Machines Mfg. Since 5/11 Setting Spindle Speed of 2000 RPM 1. 2. Make sure the spindle is completely stopped and the spindle lever is in the OFF (middle) position. Move the spindle range lever to the right so that the arrow on top of its hub points toward the H (high) label (see the illustrated in Figure 68). Note: If necessary, use the chuck key to rock the spindle back-and-forth to help mesh the gears as you move the levers.
13" Heavy 13® Gearhead Lathe O P E R AT I O N ALWAYS make sure the spindle is completely stopped BEFORE using the headstock control levers to make changes. If the spindle is rotating when attempting to change the configuration of the headstock feed controls, the gears in the headstock and quick-change gearbox will become damaged! Power Feed Controls A. Feed Range Lever: Selects the low or high feed rate range by re-aligning the headstock transfer gear. In the middle position, disables power feed. B.
For Machines Mfg. Since 5/11 13" Heavy 13® Gearhead Lathe O P E R AT I O N Setting Power Feed Rate The feed rate chart on the upper right of the headstock face displays the settings for the headstock feed controls for metric and inch feed rates. E 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. F Setting Power Feed Rate of 0.18mm/rev 1.
13" Heavy 13® Gearhead Lathe O P E R AT I O N 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. 4. For Machines Mfg. Since 5/11 End Gears Position the controls as directed by the configuration string as follows (see Figure 72): The end gears 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.
For Machines Mfg. Since 5/11 O P E R AT I O N 13" Heavy 13® Gearhead Lathe Alternate Configuration 4. The alternate end gear configuration is used when cutting modular or diametral threads. The 57T end gear is positioned on the outside so that it meshes with the 44T transposing gear instead of the 56T gear, as illustrated in Figure 74. Loosen the pivot arm hex nut shown in Figure 75, then swing the pivot arm to the left so that 44T/56T gears are away from the 57T gear.
13" Heavy 13® Gearhead Lathe O P E R AT I O N Threading The following subsections describe how to use the threading controls and charts to set up the lathe for a threading operation. If you are unfamiliar with the process of cutting threads on a lathe, we strongly recommend that you read books, review industry trade magazines, or get formal training before attempting any threading projects.
O P E R AT I O N For Machines Mfg. Since 5/11 13" Heavy 13® Gearhead Lathe Apron Threading Controls Thread Dial The half nut lever engages the carriage with the leadscrew which moves the carriage and cutting tool, along the length of the workpiece for threading operations (see Figure 77). 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.
13" Heavy 13® Gearhead Lathe O P E R AT I O N For Machines Mfg. Since 5/11 Thread Dial Chart Even TPI Not Divisible By 4 Find the TPI (threads per inch) that you want to cut in the left column of the thread dial chart (see Figure 79), 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.
For Machines Mfg. Since 5/11 1 O P E R AT I O N ⁄4 or 3⁄4 Fractional TPI For TPI that have a 1⁄4 or 3⁄4 fraction, use position 1 on the thread dial (see Figure 84). TPI 2¼,2¾, 3¼,3¾ Position 1 Only 13" Heavy 13® Gearhead Lathe Chip Drawer The chip drawer catches swarf and metal chips during the machining process. It contains a screen that prevents large chips from returning to the reservoir with the run-off coolant and causing damage to the pump.
13" Heavy 13® Gearhead Lathe O P E R AT I O N For Machines Mfg. Since 5/11 Coolant System When the coolant pump is turned ON, the fluid is delivered through the nozzle attached to the carriage. The flow is controlled by the valve lever at the base of the nozzle (see Figure 87). BIOLOGICAL & POISON HAZARD! Use the correct personal protection equipment when handling coolant. Follow federal, state, and fluid manufacturer requirements for proper disposal.
For Machines Mfg. Since 5/11 ACC ESSOR 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. If you do not have a dealer in your area, please call us at (360) 734-1540 or email us at cs@southbendlathe.com.
13" Heavy 13® Gearhead Lathe ACC ESSOR I ES Keyless Integral Chucks SB1379—MT #3 1⁄2" SB1380—MT #3 5⁄8" These keyless chucks are produced with an integral shank to maximize concentricity between the body, shank, and jaws. They start as a one-piece high-alloy body which is turned, then finish ground throughout, making them as close to zero TIR (Total Indicated Runout) as can be. Keyless chuck self-tighten, so a spanner is provided to ease tool removal. For Machines Mfg.
For Machines Mfg. Since 5/11 ACC ESSOR I ES SB1365—Way Oil Engineered for the high pressure exerted on horizontal or vertical ways and slides. Protects against rust and corrosion. Ensures stick-free, smooth motion which maximizes finishes and extends the life of your machine Won't gum up! 12 oz.
13" Heavy 13® Gearhead Lathe MAINTENANCE Maintenance Schedule ! Always disconnect power to the machine before performing maintenance. Failure to do this may result in electrocution or accidental startup injury. Daily, After Operations s s s 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 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.
13" Heavy 13® Gearhead Lathe MAINTENANCE For Machines Mfg. Since 5/11 Adding Oil The following recommended lubrication schedules are based on light-to-medium usage. Keeping in mind that lubrication helps to protect the value and operation of the lathe, these lubrication tasks may need to be performed more frequently than recommended here, depending on usage. The oil fill plug is located on top of the headstock, as shown in Figure 100.
MAINTENANCE For Machines Mfg. Since 5/11 13" Heavy 13® Gearhead Lathe Quick-Change Gearbox Draining Oil Oil Type ...... Mobil Vactra 2 or ISO 68 Equivalent Oil Amount .............................................. 1.4 Quart Check/Add Frequency .................................... Daily Change Frequency ...................................
13" Heavy 13® Gearhead Lathe MAINTENANCE For Machines Mfg. Since 5/11 Place a catch pan under the apron drain plug shown in Figure 104, loosen the fill plug, then use a 6mm hex wrench to remove the drain plug and empty the reservoir. One-Shot Oiler Figure 105. Location of one-shot oiler on the apron. Longitudinal Leadscrew Drain Plug Figure 104. Location of apron drain plug. Flush the reservoir by pouring a small amount of clean oil into the fill hole and allowing it to drain out the bottom.
For Machines Mfg. Since 5/11 MAINTENANCE Ball Oilers & Oil Cup Oil Type .. Mobil DTE Light or ISO 32 Equivalent Oil Amount ................................ 1 or 2 Squirts/Fill Lubrication Frequency................................... Daily A. B. C. D. This lathe has seven ball oilers and one oil cup that should be oiled on a daily basis before beginning operation.
13" Heavy 13® Gearhead Lathe MAINTENANCE For Machines Mfg. Since 5/11 End Gears Lubricating Grease Type ............................................... NLGI#2 Frequency ................ Annually or When Changing 1. DISCONNECT LATHE FROM POWER! 2. Remove the end gear cover and all the end gears shown in Figure 109. 3. Clean the end gears thoroughly with mineral spirits to remove the old grease. Use a small brush if necessary to clean between the teeth. 4.
MAINTENANCE For Machines Mfg. Since 5/11 Coolant System Service The coolant system consists of a fluid tank, pump, and flexible nozzle. The pump pulls fluid from the tank and sends it to the valve, which controls the flow of coolant to the nozzle. As the fluid leaves the work area, it drains back into the tank through the chip drawer and catch tray where the swarf is screened out. Use Figures 110–111 to identify the locations of the coolant system controls and components.
13" Heavy 13® Gearhead Lathe MAINTENANCE For Machines Mfg. Since 5/11 To change the coolant: Adding Fluid 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 112. Position the coolant nozzle over the back of the back splash so that it is pointing behind the lathe. 2. Place the 5-gallon bucket behind the lathe and under the coolant nozzle.
For Machines Mfg. Since 5/11 9. MAINTENANCE Slide the tank partially into the base and reconnect the fluid hose. 13" Heavy 13® Gearhead Lathe 4. Thoroughly clean all unpainted, bare metal surfaces, then apply a liberal coat of way oil, heavy grease, or rust preventative. Take care to ensure these surfaces are completely covered but that the rust preventative or grease is kept off of painted surfaces. 5. Lubricate the machine as outlined in the lubrication section.
13" Heavy 13® Gearhead Lathe SERVICE For Machines Mfg. Since 5/11 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 ................................................
For Machines Mfg. Since 5/11 SERVICE 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: 13" Heavy 13® Gearhead Lathe Qty Hex Wrench 3mm ................................................. 1 Wrench 24mm ...................................................... 1 To remove leadscrew end play: 1. DISCONNECT LATHE FROM POWER! 2.
13" Heavy 13® Gearhead Lathe SERVICE Figures 116–120 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) For Machines Mfg. Since 5/11 Note: Remove the thread dial body and the carriage lock clamp to access the saddle gib adjustment screw on the tailstock side (see Figure 119). Carriage Lock Clamp Figure 116. Compound and cross slide gib adjustment screws. Figure 119. Carriage lock clamp.
For Machines Mfg. Since 5/11 SERVICE 13" Heavy 13® Gearhead Lathe Half Nut Adjustment V-Belts 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.
SERVICE 13" Heavy 13® Gearhead Lathe 3. Adjust the hex nuts on the motor mount bolts shown in Figure 123, until there is approximately 3⁄4" deflection of the V-belts when moderate pressure is applied midway between the pulleys. For Machines Mfg. Since 5/11 Brake & 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.
For Machines Mfg. Since 5/11 5. SERVICE Remove the pedal stop shown in Figure 125. 9. 13" Heavy 13® Gearhead Lathe Locate the brake switch shown in Figure 127. Pedal Lever Brake Switch Brake Belt Band Pedal Stop Pedal Cam Figure 125. Brake belt adjustment components. Figure 127. Brake switch and pedal cam. 6. Move the brake band to the right one hole, and re-install the pedal stop, tightening the cap screw until it is just snug.
SERVICE 13" Heavy 13® Gearhead Lathe Leadscrew Shear Pin Replacement For Machines Mfg. Since 5/11 To replace the shear pin: 1. DISCONNECT LATHE FROM POWER! 2. Rotate the shroud washer on the leadscrew shown in Figure 129, so that the cutout lines up with the shear pin head. 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 5/11 6. SERVICE 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 131. Next, use the magnet to remove the other half of the broken shear pin when it becomes visible. 13" Heavy 13® Gearhead Lathe Shear Pin Inner Bore Figure 132. New shear pin installed in bore. 9. Outer Bore Figure 131. Shear pin bores aligned. 7. 8.
13" Heavy 13® Gearhead Lathe SERVICE 10. 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 5/11 Tools Needed: Qty Hex Wrenches 6mm .............................................. 1 Hex Wrench 8mm ................................................. 1 Wrench 17mm .................................
For Machines Mfg. Since 5/11 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.
13" Heavy 13® Gearhead Lathe TROU B LESHOOTI NG For Machines Mfg. Since 5/11 If you need replacement parts, or if you are unsure how to do any of the solutions given here, feel free to call us at (360) 734-1540. Symptom Machine does not start or a circuit breaker trips. Possible Cause Possible Solution 1. (First time operation only) Lathe is wired out of phase. 1. Swap two hot wire connections on master switch (see Page 25). 2. STOP button is engaged or at fault. 2.
For Machines Mfg. Since 5/11 Symptom Entire machine vibrates upon startup and while running. TROU B LESHOOTI NG Possible Cause 13" Heavy 13® Gearhead Lathe Possible Solution 1. Workpiece is unbalanced. 1. Re-install workpiece as centered with the spindle bore as possible. 2. Loose or damaged V-belt(s). 2. Re-tension/replace the V-belt(s) as necessary (see Page 77). 3. V-belt pulleys are not properly aligned. 3. Align the V-belt pulleys. 4. Worn or broken gear present. 4.
13" Heavy 13® Gearhead Lathe Symptom TROU B LESHOOTI NG Possible Cause For Machines Mfg. Since 5/11 Possible Solution Workpiece is tapered. 1. Headstock and tailstock are not properly aligned with each other. 1. Realign the tailstock to the headstock spindle bore centerline (see Page 40). 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. Carriage will not feed, or is hard to move. 1.
For Machines Mfg. Since 5/11 ELECTRICAL 13" Heavy 13® Gearhead Lathe Electrical Safety Instructions These pages are accurate at the time of printing. In the constant effort to improve, however, we may make changes to the electrical systems of future machines. Study this section carefully. If you see differences between your machine and what is shown in this section, call Technical Support at (360) 734-1540 for assistance BEFORE making any changes to the wiring on your machine.
13" Heavy 13® Gearhead Lathe ELECTRICAL For Machines Mfg.
For Machines Mfg. Since 5/11 ELECTRICAL 13" Heavy 13® Gearhead Lathe Component Location Index Electrical Cabinet Page 90 Work Lamp Page 94 Master Power Switch Page 90 Coolant Pump Motor Page 92 Spindle Switches (Behind Splash Guard) Page 93 Control Panel Page 93 Chuck Guard Limit Switch Page 94 Spindle Motor Page 92 End Gear Cover Micro Switch Page 94 Brake Pedal Micro Switch Page 94 Figure 137. Component location index.
ELECTRICAL 13" Heavy 13® Gearhead Lathe For Machines Mfg.
For Machines Mfg. Since 5/11 ELECTRICAL 13" Heavy 13® Gearhead Lathe Electrical Box Figure 138. Electrical box.
13" Heavy 13® Gearhead Lathe ELECTRICAL Spindle Motor Run Capacitor 50MFD 350VAC Start Capacitor 600MFD 250VAC 1 4 U V M6 Ground Spindle Motor To Electrical Cabinet Page 90 Coolant Pump Motor Wiring To Electrical Cabinet Page 90 U1 V1 Gn Ground Ground Coolant Pump Motor -92- Start Capacitor 3MFD 450VAC For Machines Mfg.
ELECTRICAL For Machines Mfg. Since 5/11 13" Heavy 13® Gearhead Lathe Control Panel Wiring Control Panel Figure 139. Control panel location. To Electrical Cabinet Page 90 1 6 8 2 3 6 2 2 3 Stop Button 1 Jog 4 3 Button 2 X1 Coolant Pump Switch Power Lamp 4 1 2 X2 8 2 Spindle Switches To Electrical Cabinet Page 90 COMMON 7 NO NC Tend TM-1308 5 NC 6 NO COMMON 4 Figure 140. Spindle rotation switch location.
ELECTRICAL 13" Heavy 13® Gearhead Lathe For Machines Mfg. Since 5/11 Additional Component Wiring End Gear Cover Safety Switch Work Light 3 0 End Gear Cover Micro Switch Figure 141 Figure 141. End Gear Cover Safety switch location. NO 0 NC Tend TM-1307 COMMON A X1 Chuck Guard Safety Switch Chuck Guard Limit Switch Figure 142 3 NC NO A1 Tend TZ-9212 X 1 4 NC NO Brake Pedal Micro Switch Figure 137 14 13 X 2 Figure 142. Chuck Guard Safety switch location.
For Machines Mfg.
-96- 39 37 36 35 33 30 32 51 49 28 30 52 50 31 30 28 27 51 28 49 52 47 43 9 21 44 45 26 48 23 50 49 48 47 49 29 24 19 41 46 54 53 43 9 62 44 42 20 42 63 17 30 40 28 13 55 6 53 56 20 54 61 9 57 7 21 58 5 59 9 54 60 PARTS 38 34 34 25 64 22 18 14 15 16 6 12 11 10 8 13" Heavy 13® Gearhead Lathe For Machines Mfg.
For Machines Mfg.
-98- 117 38 115 77 116 78 79 114 113 112 111 76 75 96 110 109 95 74 68 108 38 90 93 107 94 38 106 92 91 105 84 86 88 82 104 87 89 83 103 85 83 73 72 69 101 98 70 99 69 97 68 67 65 66 PARTS 100 102 71 13" Heavy 13® Gearhead Lathe For Machines Mfg.
For Machines Mfg.
PARTS 13" Heavy 13® Gearhead Lathe For Machines Mfg. Since 5/11 Headstock Transfer Gears 121 33 147 122 125 124 38 146 128 129 131 124 38 85 136 130 128 130 137 134 130 10 83 134 134 135 10 83 10 128 139 140 38 141 24 143 140 144 145 REF PART # DESCRIPTION REF PART # DESCRIPTION 10 24 33 38 83 85 121 122 124 125 128 129 130 PCAP04M PORP044 PRIV001M PCAP01M PR11M PR09M PSB10490121 PSS30M PSB10490124 PSB10490125 PORP021 PSB10490129 PSB10490130 CAP SCREW M6-1 X 10 O-RING 43.
206 212 324 211 213 217 214 208 202 218 215 216 209 205 221 231 221 219 232 233 244 224 245 226 246 248 249 250 257 243 254 261 242 260 256 241 259 225 225 226 255 226 225 225 224 224 240 225 229 230 227 228 239 247 238 225 237 206 236 206 221 235 234 222 223 220 258 254 PARTS 324 210 211 206 207 201 203 204 203 206 206 251 252 253 324 For Machines Mfg.
13" Heavy 13® Gearhead Lathe PARTS For Machines Mfg.
338 275 276 281 277 274 273 271 270 269 281 272 308 328 327 326 284 311 309 288 297 294 295 298 299 283 300 302 307 330 296 293 282 312 302 290 313 312 314 315 332 301 303 304 306 331 289 287 288 286 285 317 319 316 333 323 318 320 336 322 310 337 334 321 335 PARTS 278 268 280 264 265 266 267 263 262 329 305 325 279 339 338 282 292 291 For Machines Mfg.
13" Heavy 13® Gearhead Lathe PARTS For Machines Mfg.
438 508 416 417 449 506 426 439 422 401 509 440 421 425 418 402 441 437 422 414 503 414 406 447 427 423 409 435 445 444 434 420 408 407 410 501 507 506 505 412 431 413 430 446 429 502 428 448 424 503 414 415 411 504 432 PARTS 442 510 419 405 402 403 404 For Machines Mfg.
13" Heavy 13® Gearhead Lathe PARTS For Machines Mfg.
468 511 513 450 472 467 459 512 481 422 461 482 473 474 480 475 453 454 476 514 462 456 478 508 455 479 477 464 463 466 465 PARTS 514 513 473 414 470 483 458 469 434 451 452 For Machines Mfg.
13" Heavy 13® Gearhead Lathe PARTS For Machines Mfg. Since 5/11 Apron Rear View Parts List REF PART # DESCRIPTION REF PART # DESCRIPTION 414 422 434 450 451 452 453 454 455 456 458 459 461 462 463 464 465 466 467 468 PSTB001 PSB10490422 PORP012 PSB10490450 PSB10490451 PSB10490452 PSB10490453 PSB10490454 PSB10490455 PR11M PSB10490458 PRP88M PSB10490461 PSB10490462 PSB10490463 PSB10490464 PSB10490465 PSB10490466 PSB10490467 PSB10490468 STEEL BALL 1/4 GEAR 18T O-RING 11.8 X 2.
PARTS For Machines Mfg.
PARTS 13" Heavy 13® Gearhead Lathe For Machines Mfg.
For Machines Mfg.
PARTS 13" Heavy 13® Gearhead Lathe For Machines Mfg.
PARTS For Machines Mfg. Since 5/11 Micrometer Stop 13" Heavy 13® Gearhead Lathe Dial Indicator 859 800 851 850 801 804 802 852 803 805 853 809 806 855 860 854 810 807 811 857 812 861 858 808 862 REF PART # DESCRIPTION REF PART # DESCRIPTION 800 801 802 803 804 805 806 807 808 809 810 811 812 PSB10490800 PCAP71M PRIV001M PSB10490803 PSB10490804 PSB10490805 PSB10490806 PSB10490807 PSS10M PSB10490809 PSS06M PSB10490811 PSS14M MICROMETER STOP ASSEMBLY CAP SCREW M10-1.
-114- 953 952 951 955 957 954 944 959 935 936 947 946 945 956 939 938 937 948 904 903 962 933 940 950 919 949 967 901 923 917 922 925 906 924 909 920 921 926 964 928 929 918 932 931 930 927 965 910 963-6 963-1 909 908 907 902 963-3 963-4 963-5 915 914 913 912 916 911 905 963 963-2 904 903 PARTS 960 958 961 934 943 942 941 966 SB1050 ONLY 13" Heavy 13® Gearhead Lathe For Machines Mfg.
For Machines Mfg.
13" Heavy 13® Gearhead Lathe PARTS For Machines Mfg.
1141 1142 1144 1108 1143 1139 1140 1143 1145 1145 1138 1137 1128 1130 1131 1135 1134 1136 1133 1105 1135 1104 1105 1132 1108 1126 1125 1149 1103 1109 1122 1115 1114 1120 1119 1118 1117 1123 1121 1124 1115 1116 1113 1119 1108 1112 1111 1110 1108 1114 1127 1148 1147 1107 1133 1101 1106 1130 1131 1129 1128 1102 1149-9 1149-3 1149-1 1149-4 1149-7 1149-6 1149-2 1149-8 1149-5 PARTS 1106 1142 1146 For Machines Mfg.
13" Heavy 13® Gearhead Lathe PARTS For Machines Mfg.
1203 1205 1206 1201 1207 1211 1249 1216 1202 1210 1208 1247 1209 1206 1207 1212 1215 1214 1219 1218 1226 1227 1232 1213 1248 1234 1246 1231 1241 1244 1212 1229 1242 1204 1230 1230 1229 1228 1240 1238 1245 1237 1236 1243 1206 1239 PARTS 1204 1217 1220 1224 1225 1223 1222 1205 1221 1233 1235 For Machines Mfg.
13" Heavy 13® Gearhead Lathe PARTS For Machines Mfg.
PARTS For Machines Mfg.
13" Heavy 13® Gearhead Lathe PARTS For Machines Mfg.
PARTS For Machines Mfg.
PARTS 13" Heavy 13® Gearhead Lathe For Machines Mfg.
PARTS For Machines Mfg.
PARTS 13" Heavy 13® Gearhead Lathe For Machines Mfg. Since 5/11 Front Machine Labels 1619 1620 1618 1601 1602 1617 1603 1616 1615 1604 1605 1614 1613 1607 1611 1612 1609 1610 1608 1606 The safety labels provided with your machine are used to make the operator aware of the machine hazards and ways to prevent injury. The owner of this machine MUST maintain the original location and readability of these safety labels.
PARTS For Machines Mfg.
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.
Printed In U.S.A.
