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Operating Instructions and Parts Manual
36-inch Metalworking Band Saw
Model VBS-3612
WMH TOOL GROUP
2420 Vantage Drive
Elgin, Illinois 60124 Part No. M-414470A
Ph.: 800-274-6848 Revision A1 9/06
www.wmhtoolgroup.com Copyright © WMH Tool Group
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Warranty and Service WMH Tool Group, Inc., warrants every product it sells. If one of our tools needs service or repair, one of our Authorized Service Centers located throughout the United States can give you quick service. In most cases, any of these WMH Tool Group Authorized Service Centers can authorize warranty repair, assist you in obtaining parts, or perform routine maintenance and major repair on your JET® tools. For the name of an Authorized Service Center in your area call 1-800-27
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Table of Contents Warranty and Service ..............................................................................................................................2 Table of Contents ....................................................................................................................................3 Warning...................................................................................................................................................4 Introduction.......
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Warning 1. Read and understand the entire owners manual before attempting assembly or operation. 2. Read and understand the warnings posted on the machine and in this manual. Failure to comply with all of these warnings may cause serious injury. 3. Replace the warning labels if they become obscured or removed. 4. This band saw is designed and intended for use by properly trained and experienced personnel only. If you are not familiar with the proper and safe operation of a band saw, do n
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blahblahblah 21. Give your work undivided attention. Looking around, carrying on a conversation and “horse-play” are careless acts that can result in serious injury. 22. Maintain a balanced stance at all times so that you do not fall or lean against the blade or other moving parts. Do not overreach or use excessive force to perform any machine operation. 23. Use the right tool at the correct speed and feed rate. Do not force a tool or attachment to do a job for which it was not designed.
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Introduction This manual is provided by WMH Tool Group covering the safe operation and maintenance procedures for a JET Model VBS-3612 Band Saw. This manual contains instructions on installation, safety precautions, general operating procedures, maintenance instructions and parts breakdown. This machine has been designed and constructed to provide years of trouble free operation if used in accordance with instructions set forth in this manual. If there are any questions or comments, please
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Features and Terminology 1 – Main Work Table 15 – Control Panel Lockout 2 – Work Lamp 16 – Emergency Stop Button 3 – Blade Tension Handwheel 17 – Blade Start Button 4 – Auxiliary Work Table 18 – Blade Stop Button 5 – Variable Speed Handwheel 19 – Shear 6 – Chip Port 20 – Weld Switch 7 – Gear Shift Lever 21 – Anneal Switch 8 – Rod for Circle Cutting Attachment 22 – Clamp Pressure Selector 9 – Guide Post Lock Knob 23 – Clamp Jaws 10 – Guide Post Raise/Lower Handwheel
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1 Miter Gauge Unpacking 1 Circle Cutting Attachment 1 Shear Open shipping container and check for shipping damage. Report any damage immediately to 1 Tool box, containing: your distributor and shipping agent. Do not 1 Reversible Screwdriver discard any shipping material until the Band Saw 2 Socket Head Cap Screws, 5/16” x 1” is set up and running properly. 2 Socket Head Cap Screws, 5/16” x 5/8” Compare the contents of your container with the 1 Eye Bolt following parts lis
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Installation and Assembly Tools required for assembly: Forklift with strap or chain Eye bolt (provided) Set of hex wrenches (provided) Remove all crating and plastic from around the band saw. Remove any lag screws or holding straps which secure the band saw to the wood pallet. Remove the eye bolt from the tool box, and screw it into the hole at the top of the machine. Use a forklift with a strap or chain connected to the eye bolt to lift the band saw from the pal
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Grounding Instructions Electrical connections must be made by a qualified electrician in compliance with all relevant codes. This machine must be properly grounded to help prevent electrical shock and possible fatal injury. This machine must be grounded. In the event of a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. Improper connection of the equipment- grounding conductor can
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If the Band Saw is to be hard-wired to a panel, make sure a disconnect is available for the operator. During hard-wiring of the Band Saw, make sure the fuses have been removed or the breakers have been tripped in the circuit to which the Band Saw will be connected. Place a warning placard on the fuse holder or circuit breaker to prevent it being turned on while the machine is being wired. Converting from 230 Volt to 460 Volt (Three Phase) To convert from 230 volt to
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5. Remove the worn blade and install the new blade, making sure the teeth face downward where they pass through the slot in the table. 6. Use the tension handwheel to tighten the tension on the blade. 7. Proceed with “Blade Tension” and “Blade Tracking” before operating the band saw. Blade Tension Rotate blade tension handwheel to the right to increase tension on the blade, to the left to decrease tension on the blade. Initially, set the blade tension to correspond
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7. When satisfied, return the upper and lower blade guides close to the blade. 8. Close upper and lower doors. Guide Post For effective cutting and for safety’s sake, there should be a minimum amount of space between the top of the workpiece and the bottom of the blade guides. Loosen the locking knob (see Figure 6) and rotate the handwheel (Figure 6) to raise or lower the guide post so that the guides clear the workpiece by about 3/16”. Figure 8 Blade Guides Blade guides must be
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Squaring Work Table with Blade 1. Place the table in horizontal position with “0” on the scale (Figure 11). 2. Place a machinist’s square on the table and against the blade as shown. 3. If the square is not flush against the blade, loosen the screw below the table (Figure 11) with a 26mm wrench (provided). 4. Tilt the table as needed until the square is flush with blade. Retighten the screw. 5. Make sure the pointer is set at “0” on the scale. If it needs slight adjustment, loosen F
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6. After installing new belts, make sure they are tensioned properly. Work Lamp Bulb The Work Lamp uses a standard medium-base 60 watt bulb. Band Saw Operation Consult “Features and Terminology” on page 7 for identification of the controls. Unlock the control panel using the provided keys. Never operate the band saw without blade covers in place and secured. Blade Break-In Procedure New blades are very sharp and, therefore, have a tooth geometry that
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3. Start the saw using the pushbutton. 4. Turn the speed setting handwheel (Figure 14) to the required speed. Turning the handwheel clockwise increases speed. Turning counterclockwise decreases speed. Rotate the speed setting handwheel only when the band saw is running. Evaluating Cutting Efficiency The best way to determine whether the blade is cutting efficiently is to observe the chips formed by the cutting. • If the chip formation is powdery, then the feed
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IMPORTANT: If a blade has been cut by using snips, the ends of the blade must be ground square before welding them together, as shown in Figure 17. Removing Teeth In fine pitched blades, one or more of the teeth on each side of the cut may need to be removed by grinding so that the weld area of the blade is uniform and the teeth will be uniformly spaced. See Figure 16. Welding Figure 17 4. Carefully clean the ends of the blade which will contact the welder jaws. Remove any dirt,
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The welder is designed for intermittent use. Repeated welding within a short period of time may cause the welder to overheat. 12. Remove the blade from the clamps, and carefully inspect it. The spacing of the teeth should be uniform and the weld should be located in the center of the gullet. Misalignment is easily noted at this time from the weld appearance. See Figure 19 for examples of incorrect welds. 13. If the weld is imperfect, refer to the trouble- shooting section on page 28
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If the blade is thicker at the weld than at the rest of the blade, using the blade may damage the guides. 20. When grinding, do not hit the teeth, or grind deeper than the thickness of the blade; or burn or overheat the weld area. Be sure to remove flash from the back edge of the blade. Any flash or “stub” teeth which project beyond the normal set or height of the other teeth must be ground off. Clean Up It is very important that the clamp jaws be kept clean at
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Gage Use the standard gage (blade thickness) except when the increased thickness of the workpiece decreases accuracy and width cannot be increased to compensate. Examples of heavy gage applications: 1. When radius cutting in thick materials. 2. When the maximum width usable on the machine still provides insufficient beam strength for the blade. (Beam strength is the blade’s resistance to compression caused by strong feeding or the type of material being cut). P
