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Bandsaw Operations
SYMPTOM |
| POSSIBLE CAUSE |
| CORRECTIVE ACTION |
Machine is loud when | 1. | Excessive feed rate. | 1. | Refer to Feed Rate on Page 24, or Changing |
cutting or bogs down in |
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| Blade Speed on Page 23, and adjust as required. |
the cut. | 2. The blade TPI is too great, or the | 2. Refer to Blade Selection on Page 23 and adjust as | ||
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| material is too coarse. |
| required. |
Blades break often. | 1. | Blade is not tensioned correctly. | 1. | Check to see that blade is not excessively tight or |
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| too loose. |
2.The workpiece is loose in the vise. 2. Clamp the workpiece tighter, or use a jig to hold the
workpiece.
| 3. | The feed or cut speed is wrong. | 3. | Refer to Feed Rate on Page 24, or Changing |
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| Blade Speed on Page 23, and adjust as required. |
| 4. | The blade TPI is too great, or the | 4. | Refer to Blade Selection on Page 23, and adjust |
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| material is too coarse. |
| as required. |
| 5. | The blade is rubbing on the wheel | 5. | Refer to Blade Tracking on Page 35, and adjust as |
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| flange. |
| required. |
| 6. | The bandsaw is being started with | 6. | Start bandsaw and then slowly lower the headstock |
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| the blade resting on the workpiece. |
| by setting the feed rate. |
| 7. | The guide bearings are | 7. | Refer to Blade Tracking on Page 35, or Blade |
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| misaligned, or the blade is rubbing |
| Guides on Page 25, and adjust as required. |
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| on the wheel flange. |
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| 8. | The blade is too thick, or the | 8. | Use a higher quality blade. |
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| blades are of low quality. |
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Blade dulls prematurely. | 1. | The cutting speed is too fast. | 1. | Refer to Changing Blade Speed on Page 23, and |
| 2. | The blade TPI is too coarse. |
| adjust as required. |
| 2. | Refer to Blade Selection on Page 23, and adjust | ||
| 3. | The blade feed pressure is too |
| as required. |
| 3. | Refer to Feed Rate on Page 24, and adjust as | ||
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| light. |
| required. |
| 4. | The workpiece has hard spots, | 4. | Increase the feed pressure, and reduce the cutting |
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| welds, or scale is on the material. |
| speed. |
| 5. | The blade is twisted. | 5. | Replace the blade. |
| 6. | The blade is slipping on the | 6. | Refer to Blade Tension on Page 35, and adjust as |
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| wheels. |
| required. |
Blade wears on one side. | 1. | The blade guides are worn or mis- | 1. | Refer to Blade Guides on Page 25 and replace or |
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| adjusted. |
| adjust. |
| 2. | The blade guide slide bracket is | 2. | Tighten the blade guide bracket. |
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| loose. |
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| 3. | The wheels are out of alignment. | 3. | Refer to Blade Tracking on Page 35, and adjust as |
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| required. |
Teeth are ripping from the | 1. | The feed pressure is too heavy | 1. | Refer to Blade Selection on Page 23 and decrease |
blade. |
| and the blade speed is too slow; or |
| the feed pressure. Refer to Feed Rate on Page 24, |
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| the blade TPI is too coarse for the |
| and adjust as required. |
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| workpiece. |
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| 2. | The workpiece is vibrating in the | 2. | |
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| vise. |
| required. |
| 3. | The blade gullets are loading up | 3. | Use a |
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| with chips. |
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The cuts are crooked. | 1. | The feed pressure is too high. | 1. | Refer to Feed Rate on Page 24, and adjust as |
| 2. | The guide bearings are out of |
| required. |
| 2. | Refer to Blade Guides on Page 25 and replace or | ||
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| adjustment, or too far away from |
| adjust. |
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| the workpiece. |
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| 3. | The blade tension is low. | 3. | Refer to Blade Tension on Page 35, and adjust as |
| 4. | The blade is dull. |
| required. |
| 4. | Refer to Blade Change on Page 34 and replace | ||
| 5. | The blade speed is wrong. |
| the blade. |
| 5. | Refer to Changing Blade Speed on Page 23, and | ||
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| adjust as required. |
G0592 Metal Cutting Bandsaw |