9" x 12" Horizontal Variable Speed Metal-cutting Bandsaw with Sliding ViSe MODEL SB1020 OWNER'S MANUAL Hundreds of Thousands of Lathes Sold With a Tradition of Q uality Since 1906! Copyright © May, 2010 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................................................................2 About This Machine.............................................. 2 Capabilities.......................................................... 2 Features. ............................................................. 2 Identification......................................................... 3 Machine Specifications......................................... 4 SAFETY........................................................
Model SB1020 I N T R O D U C TI O N For Machines Mfg. Since 8/09 INTRODUCTION About This Machine Capabilities Features This metal cutting bandsaw uses a gravity-fed blade to make straight cuts through workpieces that are clamped in a vise. Since the workpiece is secured and remains stationary while the blade lowers automatically, accuracy and operator safety are maximized. In addition to its capabilities, the Model SB1020 has several features to increase versatility and efficiency.
I N T R O D U C TI O N For Machines Mfg. Since 8/09 Model SB1020 Identification Blade Tension Knob Control Panel Downfeed Controls Blade Downfeed Ram Coolant Valve Blade Cover Headstock Headstock Motor Vise Vise Slide Lock Vise Handwheel Swivel Lock Handle Vise Quick Release Front View Work Stop Cabinet Access Door Rear View Figure 1. Identification. Serious personal injury could occur if you connect the machine to power before completing the setup process.
I N T R O D U C TI O N Model SB1020 For Machines Mfg. Since 8/09 Machine Specifications P.O. Box 2027, Bellingham, WA 98227 U.S.A. Machine Specifications PHONE: (360) 734-1540 • © South Bend Lathe Co. www.southbendlathe.com Model SB1020 9" x 12" Horizontal Bandsaw Product Dimensions: Weight ..........................................................................................................................................................................718 lbs. Length/Width/Height ..............
For Machines Mfg. Since 8/09 I N T R O D U C TI O N Model SB1020 Main Specifications: Operation Information Head Swivel........................................................................................................................................ -45 deg to 60 deg. Blade Speeds (Electrical Variable Speed) ................................................................................................ 92–360 FPM Std. Blade Length ...................................................................
Model SB1020 SAFETY For Machines Mfg. Since 8/09 SAFETY 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 8/09 SAFETY Model SB1020 5. Entanglement: Loose clothing, gloves, neckties, jewelry or long hair may get caught in moving parts, causing entanglement, amputation, crushing, or strangulation. Reduce this risk by removing/securing these items so they cannot contact moving parts. 11. 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.
Model SB1020 SAFETY For Machines Mfg. Since 8/09 Additional Metal Bandsaw Safety 1. Blade Condition. A dull or damaged blade can break apart during operation, increasing the risk of operator injury. Do not operate with a dull, cracked or badly worn blade. Inspect the blade for cracks or missing teeth before each use. 2. Hand Placement. Hands could be cut by the blade or crushed when lowering the headstock. Never position fingers or thumbs in line with the cut or under the headstock while it is moving.
For Machines Mfg. Since 8/09 P R E P A R A TI O N Model SB1020 PREPARATION Preparation Overview Power Supply The purpose of the preparation section is to help Requirements you prepare your machine for operation. The list below outlines the basic process to follow to prepare your machine for operation. Specific steps for each of these points will be covered in detail later in this section. The typical preparation process is as follows: 1. Unpack the machine and inventory the contents of the carton. 2.
Model SB1020 P R E P A R A TI O N For Machines Mfg. Since 8/09 Circuit Information Grounding Requirements A power supply circuit includes all electrical equipment between the main breaker box or fuse panel in your building and the incoming power connections inside the machine. This circuit must be safely sized to handle the full-load current that may be drawn from the machine for an extended period of time.
For Machines Mfg. Since 8/09 P R E P A R A TI O N Model SB1020 Unpacking Serious injury could occur if you connect the machine to power before completing the setup process. DO NOT connect to power until instructed later in this manual. 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.
Model SB1020 P R E P A R A TI O N For Machines Mfg. Since 8/09 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.
For Machines Mfg. Since 8/09 P R E P A R A TI O N Location Weight Load Physical Environment 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.
P R E P A R A TI O N Model SB1020 Lifting & Moving This machine and its parts are heavy! Serious personal injury may occur if safe moving methods are not used. To reduce the risk of a lifting or dropping injury, ask others for help and use power equipment. Unbolt the machine from its pallet, then insert two round steel bars through the lifting holes in the machine base. Attach lifting straps and hooks to the bars as shown in Figure 6.
P R E P A R A TI O N For Machines Mfg. Since 8/09 Bolting to Concrete Floors Lag screws and anchors, or anchor studs (below), are two popular methods for securing machinery to a concrete floor. We suggest you research the many options and methods for securing your machine and choose the best one for your specific application. Anchor Stud Lag Screw and Anchor Model SB1020 Machine Mounts Machine mounts are rubber pads mounted to a threaded stud, which can be fastened to the bottom of the machine.
Model SB1020 P R E P A R A TI O N Power Connection Electrocution or fire may occur if machine is ungrounded, incorrectly connected to power, or connected to an undersized circuit. Use a qualified electrician to ensure a safe power connection. Machine Setup To ensure that your bandsaw arrives without damage to the hinge system, a shipping strap was installed. After removing the shipping strap, you may choose to install the work stop. To set up the machine: 1.
For Machines Mfg. Since 8/09 P R E P A R A TI O N Test Run After all preparation steps have been completed, the machine and its safety features must be tested to ensure correct operation. If you discover a problem with the operation of the machine or its safety components, do not operate it further until you have resolved the problem. 4. Put on safety glasses and secure loose clothing or long hair. 5. Lift the headstock to the raised position, then close the downfeed knob to prevent it from lowering.
Model SB1020 O P E R A TI O N For Machines Mfg. Since 8/09 OPERATION Operation Overview To complete a typical cutting 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. Examines the workpiece to make sure it is suitable for cutting. 2.
For Machines Mfg. Since 8/09 O P E R A TI O N Description of Controls & Components Model SB1020 Main Power Switch: Turns the saw ON/OFF. P. Q. Emergency Stop Button: Cuts power to the motor. Refer to Figures 13–15 and the following descriptions to become familiar with the basic controls and components used to operate this machine. A. Blade Tension Knob: Applies or releases blade tension. B. Blade Tension Gauge: Displays blade tension. B C D A E C.
O P E R A TI O N Model SB1020 Blade Selection E. Selecting the right blade for the cut requires a knowledge of various blade characteristics. This section breaks down blade characteristics to help the reader make an informed decision about what blade to use for a given operation. Blade Terminology A B C F E H D G Figure 16. Bandsaw blade terminology. B. Kerf: The width of the cut made during op- eration. Tooth Set: The distance each tooth is bent left or right from the blade. C.
O P E R A TI O N For Machines Mfg. Since 8/09 Model SB1020 Tooth Set Three common tooth sets are alternate, wavy, and raker (see Figure 17). Each removes material in a different manner to make the kerf in the workpiece. Standard (or Raker) Raker Wavy Alternate Variable Pitch (VP) Variable Pitch Positive Rake Hook (or Claw) Figure 17. Bandsaw blade tooth sets. Alternate: An all-purpose arrangement with teeth bent evenly left and right of the blade. Generally used for milder metals.
O P E R A TI O N Model SB1020 Blade Pitch (TPI) The chart below is a basic starting point for choosing teeth per inch (TPI) for variable pitch blades and standard raker set bi-metal blades/ HSS blades. However, for exact specifications of bandsaw blades that are correct for your operation, contact the blade manufacturer. To select the correct blade pitch: 1. Measure the material thickness. This measurement is the distance from where each tooth enters the workpiece to where it exits the workpiece. 2.
For Machines Mfg. Since 8/09 O P E R A TI O N Model SB1020 Blade Changes Change blades when they become dull, damaged, or if the operation requires a different type of blade. Bla de Tra vel To change the blade on the bandsaw: 1. DISCONNECT BANDSAW FROM POWER! 2. Raise the head of the bandsaw, then remove the blade cover. 3. Loosen the tension knob and slip the blade off of the wheels. 4. Install the new blade through both blade guides, as shown in Figure 20, and around the bottom wheel.
Model SB1020 O P E R A TI O N For Machines Mfg. Since 8/09 blade selection Blade Tension Blade Breakage Proper blade tension is essential to avoid blade vibration, twist, or`slippage on the wheels. A correctly tensioned blade provides long life, straight cuts, and efficient cutting times. Many conditions may cause a bandsaw blade to break. Some of these conditions are unavoidable and are the natural result of the stresses placed on the bandsaw; other causes of blade breakage are avoidable.
For Machines Mfg. Since 8/09 O P E R A TI O N Model SB1020 Blade Care & Break-In Downfeed Rate Blade Care To prolong blade life, always use a blade with the proper width, set, type, and pitch for each application. Maintain the appropriate feed rate, feed pressure, and blade speed and pay attention to the chip characteristics (Refer to the Chip Inspection Chart on Page 26).
O P E R A TI O N Model SB1020 For Machines Mfg. Since 8/09 Blade Speed Chart The chart in Figure 26 offers blade speed guidelines for various metals, given in feet per minute (FPM) and meters per minute (M/Min). Choose the closest available speed on the machine, then adjust the feed rate as necessary, using the appearance of the chips produced as a guide.
For Machines Mfg. Since 8/09 O P E R A TI O N Model SB1020 Angle Cuts 3. Loosen the vise slide lock (see Figure 28). The headstock can be swiveled to cut angles from 0–60° to the left and 0–45° to the right for a total swing of 105°. When making cuts to the right, the vise should remain in the left-most position. If you need to make a cut to the left, you will have to move the vise to the right side of the machine. 4. Slide the vise to the right until it stops. Cuts to the Right 1.
O P E R A TI O N Model SB1020 For Machines Mfg. Since 8/09 Blade Guide Vise Quick Release The upper blade guide should adjusted to approximately 1⁄4" away from the workpiece. The support provided by having the blade guide close to the workpiece ensures straight cuts and reduces blade tendency to twist or drift. The Model SB1020 has a vise quick release handle that allows the operator to quickly adjust the opening of the jaws without the use of the handwheel.
For Machines Mfg. Since 8/09 O P E R A TI O N Model SB1020 Cutting Fluid Cutting Fluid System While simple in concept and function, many issues must be taken into account to find and use the correct cutting fluid. Always follow all product warnings and contact the fluid manufacturer for unanswered questions. This bandsaw has a built-in cutting fluid system that extends the life of your bandsaw blades by lowering the temperature of the blade and workpiece and washing away chips.
O P E R A TI O N Model SB1020 4. Adjust the valves on the coolant hoses to control the flow of coolant (see Figure 35). Make sure that the pressure is not so high that coolant spills on the floor and creates a slipping hazard. Coolant Control Valves Figure 35. Coolant control valve. NOTICE Keep the tray chip screen clear so coolant can recycle to the pump reservoir. NEVER operate the pump with the reservoir below the low mark or you may over-heat the pump and void your warranty! -30- For Machines Mfg.
For Machines Mfg. Since 8/09 ACC ESSOR I ES Model SB1020 ACCESSORIES Accessories This South Bend merchandise 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. SBL Gearhead T-Shirt SBL One Good Turn T-Shirt 100% Cotton, preshrunk T-shirts, available in sizes S, M, L, XL, 2XL, 3XL.
MAINTENANCE Model SB1020 For Machines Mfg. Since 8/09 MAINTENANCE Maintenance Schedule Lubrication ! Before applying lubricant to any area, wipe the area clean to avoid contamination. Always disconnect machine from power before performing maintenance or serious personal injury may result. For optimum performance from your machine, follow this maintenance schedule and refer to any specific instructions given in this section. Daily • • • • • • Check/correct loose mounting bolts.
For Machines Mfg. Since 8/09 MAINTENANCE Gearbox Items Needed Qty Wrench 4mm.......................................................... 1 Mobilgear 600 XP 680 or ISO 680 Equivalent Gear Oil......................... Approximately 1 Pint Drain Pan............................................................... 1 Shop Rags................................................ As needed Wooden Blocks........................................
TROU B LESHOOTI NG Model SB1020 For Machines Mfg. Since 8/09 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. Possible Cause Possible Solution ! 1. Power supply switched off/has incorrect voltage. 1. Switch power supply on/verify voltage. 2. Blown fuse/tripped circuit breaker at main panel. 2. Correct the cause of overload, then reset/replace fuse or breaker. 3.
For Machines Mfg. Since 8/09 Symptom Motor stalls or slows when operating. TROU B LESHOOTI NG Possible Cause Model SB1020 ! Possible Solution 1. Too much pressure when feeding workpiece. 1. Reduce pressure when feeding workpiece. 2. Workpiece is warped and binding blade. 2. Fabricate a jig for better workpiece control. 3. Blade is dull, wanders, and gets pinched in the cut. 3. Replace blade, adjust guides and tracking. 4. Blade is loose. 4. Clean wheels and increase blade tension. 5.
TROU B LESHOOTI NG Model SB1020 For Machines Mfg. Since 8/09 Symptom Possible Cause The cut is crooked, the blade wanders, cuts slow, or shows overheating on one side of the cut or the blade. 1. The feed rate/pressure is too high. 1. Decrease the feed rate/pressure (see Page 25). 2. Loose blade. 2. Keep blade properly tensioned (see Page 24). 3. Blade is loading up. 3. Install a blade with more suitable TPI or different style of teeth. 4. Incorrect coolant mixture for workpiece/cut. 4.
SERVICE For Machines Mfg. Since 8/09 Model SB1020 SERVICE Blade Brush Angle Stops The Model SB1020 has a blade brush to help keep metal chips off the blade wheels. It will wear over time and require re-adjustment when it no longer contacts the blade. The swivel base is equipped with three angle stops to provide quick adjustments to 60° to the left, 0°, and 45 to the right°. If cuts made using these stops are not sufficiently accurate, the stops will need to be adjusted.
SERVICE Model SB1020 If the square does not fit snugly against both the stationary jaw and the blade, loosen the jam nut shown in Figure 44, then thread the stop bolt inward. 4. Jam Nut Stop Bolt For Machines Mfg. Since 8/09 Limit Switches The Model SB1020 is equipped with limit switches that prevent the saw from operating if the blade is not properly tensioned and stop the saw motor when it reaches the end of a cut.
SERVICE For Machines Mfg. Since 8/09 To adjust the headstock travel switch: Model SB1020 Downfeed Stop Bolt 1. DISCONNECT BANDSAW FROM POWER! 2. Fully lower the headstock by opening the downfeed valve. Allow it to come to a stop on its own (see Downfeed Stop Bolt on this page for more details). The Model SB1020 has an adjustable stop bolt to prevent the blade from contacting the table when the headstock reaches the bottom of its travel.
SERVICE Model SB1020 Squaring Blade 4. A blade that is perpendicular to the table surface provides the best cutting results with minimal side loading and blade wear. The blade is held perpendicular to the table by the two blade guides. Each guide is held in place by two cap screws and aligned with the four set screws shown in Figure 49.
For Machines Mfg.
ELECTRICAL Model SB1020 For Machines Mfg. Since 8/09 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. 1. 2. 3. 4.
N SERVICE For Machines Mfg. Since 8/09 220V Conversion Use a wire nut to connect wires #2, #3, and 110 VAC #5, then wrap them with electrical tape. 5-15 Plug 3. Wiring diagrams are provided in this section showing the Model SB1020 wired for both 110V and 220V. Refer to these diagrams if needed when following this procedure. Additionally, Motor you must purchase a 220V switch in order to complete the conversion.
2 1 1 Start Button 2 1 8 4 L2 6 2 L2 5 7 L1 1 3 ON/OFF Switch (Both Sides Shown) Control Panel (Viewed from behind) Emergency Stop Switch X2 2 U 0 U1 ETI VLC10 3W Max.
V2 U2 1 V2 3 U2 2 4 G 6-15 Plug (As Recommended) 220 VAC GND 1 V2 U2 2 4 GND REWIRED FOR 220V (NOTE JUMPER LOCATIONS) V2 U2 3 23 BLADE TENSION LIMIT SWITCH 7 1 4 8 U1 W1 V1 2 5 6 9 7 1 4 8 U1 W1 V1 2 5 SAW MOTOR PRE-WIRED FOR 110V BLADE COVER LIMIT SWITCH REWIRED FOR 220V 3 110 VAC 5-15 Plug (Included) G SAW MOTOR REWIRED FOR 220V 11 12 24 Ground Hot Neutral SAW TRAVEL LIMIT SWITCH PUMP MOTOR REWIRED FOR 220V REWIRED FOR 220V PUMP MOTOR PRE-WIRED FOR 110V
ELECTRICAL Model SB1020 For Machines Mfg. Since 8/09 Wiring Component Locations Control Panel & Electrical Box Headstock Travel Limit Switch Blade Tension Limit Switch Figure 53. Wiring component locations. Coolant Pump Blade Cover Limit Switch Figure 54. Coolant pump motor location. -46- Figure 55. Blade cover limit switch location.
PARTS For Machines Mfg.
PARTS Model SB1020 For Machines Mfg.
PARTS For Machines Mfg.
PARTS Model SB1020 For Machines Mfg.
For Machines Mfg. Since 8/09 PARTS Model SB1020 Head Parts List REF PART # DESCRIPTION REF PART # DESCRIPTION 101 102 103 104 105 106 107 108 109 202 202-1 294 294-1 294-2 294-3 PSB1020101 PSB1020102 PB49M PSB1020104 PSB1020105 PW03M PS09M PSB1020108 PCAP11M PSB1020202 PN02M PSB1020294 PSB1020294-1 PSB1020294-2 PB29M DRIVE WHEEL DRIVE SHAFT FLAT WASHER HEX BOLT M12-1.75 X 20 BLADE COVER KNOB BOLT M6-1 X 14 FLAT WASHER 6MM PHLP HD SCR M5-.8 X 10 HOSE CLIP 8MM CAP SCREW M8-1.
PARTS Model SB1020 For Machines Mfg.
For Machines Mfg. Since 8/09 WAR R ANT Y Model SB1020 WARRANTY & RETURNS 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.
