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H80 Bandsaw Instruction Manual Chester UK Ltd Clwyd Close, Hawarden Industrial Park Hawarden, Nr Chester Flintshire. CH5 3PZ Tel: 01244 531631 Email: sales@chesteruk.net www.chesteruk.net...
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IMPORTANT SAFETY FIRST ALL MACHINES ARE DANGEROUS 1. Use the correct tool for the job at hand never make a machine do a job it was not designed for. 2. Never force the tool in the machine it will do the quicker and safer at the correct rate. 3. Always use clamps or vices to secure work – your hand is not strong enough! 4. When changing tools or work pieces always disconnect the machine first. 5. Service the machine regularly; a correctly operating machine is a safer machine. 6. Always replace belt covers before starting the machine. 7. Understand the machine fully before operation and always read the manual. 8. Get to know the machines limitations and applications. 9. Ensure that the machine is securely bolted to the bench and that the bench is securely bolted to the ground. TAKE GREAT CARE WHEN OPERATING THIS MACHINE TO PROTECT YOUR BODY 1. Always wear safety glasses – everyday glasses are not suitable. 2. Dust can be caused when machining certain materials, always wear a mask. 3. Make sure you are not wearing any loose clothing such as ties, rings, bracelets that may get caught in the moving parts of the machine. 4. Keep a proper footing and balance whilst operating the machine. 5. Never leave cleaning rags, etc on or near the machine. Chester UK H80 Bandsaw ...
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SAFETY FIRST ELECTRICS 1. All electrical tools must be earthed. 2. Never use electrical tools in damp or wet environment. 3. Make sure the machine is in the off position before switching on at the mains. 4. Always immobilise the machine before servicing or setting up work in the machine. 5. Great care should be taken when using coolant fluid with machine tools. 6. Ensure the machine is correctly connected and a fuse of the proper rating is used. CHILDREN 1. Keep children away from machines, if necessary fit safety locks to the machine and mains switches. 2. Never use machinery whilst talking to visitors, always concentrate on the job in hand! REMEMBER ALL MACHINES ARE DANGEROUS IF NOT USED CORRECTLY! Chester UK H80 Bandsaw ...
760 x 295 x 465mm RECOMMENDED SPEEDS FOR CUTTING OF VARIOUS MATERIALS MOTOR PULLEY SAW PULLEY MATERIAL CUTTING CHART Material Speed (SFM) Belt Groove Used 50Hz 60Hz Motor Pulley Saw Pulley Tool, Stainless 20 MPM 24 MPM Small A Large D or Alloy Steel (65 FPM) (80 FPM) Bearing Bronzes, Mild Steel, 30 MPM 36 MPM Medium B Medium E Hard Brass or Bronze (95 FPM) (120 FPM) Soft Brass, Aluminium 50 MPM 61 MPM Large C Small F or Other Light Materials (165 FPM) (200 FPM) Chester UK H80 Bandsaw ...
Loosen grub screw Ⓘ (see Fig. 3). This will enable the motor pulley Ⓙ (see Fig. 3) to be 4. adjusted whilst on the shaft. When the pulley wheel is adjusted retighten grub screw Ⓘ. 5. 6. Replace tension on the blade using the blade tension knob, and close the blade guard. 7. Reconnect the power supply. BLADE GUIDE BEARING ADJUSTMENT It is impossible to get satisfactory work from the saw if the blade guides are not properly adjusted. 1. Disconnect the machine from the power supply. 2. Loosen the Hex. nut Ⓚ (see Fig. 4). 3. Adjust bearings Ⓛ (see Fig. 4). 4. Retighten Hex. nut Ⓚ. Reconnect power supply. 5. BLADE GUIDE ADJUSTMENT There are two blade guides, one each side of the workpiece. Disconnect machine from power supply. 1. First loosen Hex. bolt Ⓜ (see Fig. 5). 2. 3. Pivot blade adjustment bracket Ⓝ until the blade is square with the machine bed. 4. Retighten Hex. bolt Ⓜ. Reconnect power supply. 5. Note: Blade guide assembly can be adjusted by unclamping knob Ⓖ (see Fig. 2). Chester UK H80 Bandsaw ...
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MACHINE ADJUSTMENT DIAGRAMS Chester UK H80 Bandsaw ...
3. Workpiece is vibrating. 3. Clamp work more securely. 4. Blade is too fine for the work. 4. Use a course TPI blade. Motor Overheating 1. Blade tension is too high. 1. Reduce the blade tension. 2. Drive belt tension is too high. 2. Reduce the drive belt tension. 3. Blade is too course. 3. Use a smaller TPI blade. 4. Blade is too fine. 4. Use a courser TPI blade. 5. Gears need lubrication. 5. Lubricate gears. 6. Cut is binding blade. 6. Decrease the feed and speed. Bad, Crooked or Rough Cuts 1. Feed pressure is too great. 1. Adjust spring to reduce pressure. 2. Guide pivots are misaligned. 2. Adjust guide pivots. 3. Inadequate blade tension. 3. Increase blade tension. 4. Blade is dull. 4. Replace blade. 5. Incorrect speed. 5. Adjust speed. 6. Blade guides are spaced out too much. 6. Adjust guide spacing. 7. Blade guide assembly is loose. 7. Tighten guide assembly. 8. Blade is too course. 8. Use a finer TPI blade. Blade is Twisting 1. Cut is binding blade. 1. Decrease feed pressure. 2. Blade tension is too high. 2. Decrease the blade tension. Chester UK H80 Bandsaw ...
Suitable blade tension is adjusted by hand without the help of a tool. For a suitable blade tension, you should not be able to move with the pressure of your finger, with appropriate force at the saw blade. Adjustments of blade cover (Left & Right) The left and right adjustable blade cover is designed to prevent access to the moving saw blade during cutting. They must be adjusted as near as possible to the workpiece. Chester UK H80 Bandsaw ...
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