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Bandsaw Blades Troubleshooter

Problem

Possible Cause

Advice

Saw blade keeps breaking prematurely
  1. Blade tension too high
  2. Guides tight or maladjusted
  3. Speed too low for feed rate
  4. Speed too high
  5. Cracking at the weld
  6. Blade too thick for wheel diameter
  7. Pitch too coarse
  1. Reduce tension
  2. Alter adjustment
  3. Increase speed or decrease feed
  4. Reduce speed
  5. Check welding technique
  6. Use lighter gauge
  7. Use finer pitch
Blade starts to camber and cuts to one side - running out of square
  1. Saw guides too far apart
  2. Feed pressure too high
  3. Roller guides not adjusted
  4. Band pitch too fine
  5. Set removed by guides
  6. Blade riding on wheel flange
  7. Hard inclusion in material
  1. Adjust closer to material
  2. Reduce pressure
  3. Adjust correctly
  4. Use coarser pitch
  5. Adjust or chamfer guides
  6. Adjust wheel tracking
  7. Reduce cutting rate

Vibration whilst cutting

  1. Work piece not securely held
  2. Incorrect feed pressure
  3. Not enough blade tension
  4. Wrong speed for thickness
  5. Pitch too coarse
  6. Wrong tooth form
  1. Improve clamping
  2. Adjust
  3. Increase tension
  4. Adjust
  5. Use finer pitch
  6. Use variable pitch

Blade dulls prematurely

  1. New blade not 'run in'
  2. Feed rate too light
  3. Speed too high
  4. Pitch too coarse
  5. Coolant not directed
  6. Saw idling through cut
  7. Incorrect saw guides for width
  8. Teeth running in wrong direction
  9. Wrong blade quality
  1. See Bernards FAQ page
  2. Increase rate
  3. Reduce speed
  4. Use finer pitch
  5. Direct at point of cut
  6. Keep teeth engaged
  7. Use correct guides
  8. Refit blade correctly
  9. Try different type

Blade twisting

  1. Saw guide arms too far apart
  2. Blade binding in cut
  3. Not enough blade tension
  4. Blade too wide for radius
  1. Adjust correctly
  2. Reduce feed rate
  3. Increase tension
  4. Use narrower blade
  • To place an order for standard stock sizes, simply visit our Online Store and order as required.

  • Having trouble working out your blade length? Simply visit our Bandsaw Blades FAQ page for details on how to work this out. You will also find other useful information on this page.

  • Having trouble whilst using your bandsaw blades? Look at our troubleshooter above.


DISCLAIMER
Bernards makes every effort to ensure that the information contained in this guide is correct and accurate. We can however accept no responsibility for any errors or omissions or their subsequent effects. Indeed if you find any please let us know, we appreciate any advice or comments to improve these pages.

Copyright � 2000  [Robert Bernard & Son Ltd]. All rights reserved.
Revised: May 02, 2012 .


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Copyright � 1998 Robert Bernard & Son Ltd. Last modified: May 02, 2012