Bandsaw Operations
SYMPTOM |
| POSSIBLE CAUSE |
| corrective action |
Machine is loud when | 1. | Excessive feed rate. | 1. | Refer to Feed Rate on Page 29, or Blade Speed |
cutting or bogs down in | 2. | The blade TPI is too great, or the | 2. | on Page 30 and adjust as required. |
the cut. | 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 |
| 2. | The workpiece is loose in the vise. | 2. | too loose. |
| Clamp the workpiece tighter, or use a jig to hold the | |||
| 3. | The feed or cut speed is wrong. | 3. | workpiece. |
| Refer to Feed Rate on Page 29, or Blade Speed | |||
| 4. | The blade TPI is too great, or the | 4. | on Page 30 and adjust as required. |
| Refer to Blade Selection on Page 23, and adjust | |||
| 5. | material is too coarse. | 5. | as required. |
| The blade is rubbing on the wheel | Refer to Blade Tracking on Page 28, and adjust as | ||
| 6. | flange. | 6. | required. |
| The bandsaw is being started with | Start bandsaw and then slowly lower the headstock | ||
| 7. | the blade resting on the workpiece. | 7. | by setting the feed rate. |
| The guide bearings are | Refer to Blade Tracking on Page 28, or Blade | ||
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| misaligned, too tight, or the blade |
| Guide Arms on Page 32, and adjust as required. |
| 8. | is rubbing on the wheel flange. | 8. | Use a higher quality blade. |
| The blade is too thick, or the | |||
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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 Blade Speed on Page 30 and adjust as |
| 2. | The blade TPI is too coarse. | 2. | required. |
| Refer to Blade Selection on Page 23, and adjust | |||
| 3. | The blade feed pressure is too | 3. | as required. |
| Refer to Feed Rate on Page 29, and adjust as | |||
| 4. | light. | 4. | required. |
| The workpiece has hard spots, | Increase the feed pressure, and reduce the cutting | ||
| 5. | welds, or scale is on the material. | 5. | speed. |
| The blade is twisted. | Replace the blade. | ||
| 6. | The blade is slipping on the | 6. | Refer to Blade Tension on Page 27, 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 Guide Arms on Page 32 and |
| 2. | adjusted. | 2. | replace or adjust. |
| The blade guide slide bracket is | Tighten the blade guide bracket. | ||
| 3. | loose. | 3. | Refer to Blade Tracking on Page 28, and adjust as |
| The wheels are out of alignment. | |||
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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 29, |
|
| the blade TPI is too coarse for the |
| and adjust as required. |
| 2. | workpiece. | 2. | |
| The workpiece is vibrating in the | |||
| 3. | vise. | 3. | required. |
| The blade gullets are loading up | 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 29, and adjust as |
| 2. | The guide bearings are out of | 2. | required. |
| Refer to Blade Guide Arms on Page 32 and | |||
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| adjustment, or too far away from |
| replace or adjust. |
| 3. | the workpiece. | 3. | Refer to Blade Tension on Page 27, and adjust as |
| The blade tension is low. | |||
| 4. | The blade is dull. | 4. | required. |
| Refer to Blade Change on Page 26 and replace | |||
| 5. | The blade speed is wrong. | 5. | the blade. |
| Refer to Blade Speed on Page 30 and adjust as | |||
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| required. |
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| Model G0717 (Mfg. Since 9/10) |