Common Causes of Back Cracks in Band Saw Blades

Back cracks are often the cause of many problems, from crooked welds to bandsaw blade breakage. The following is a list of most of the known problems that cause cracks in the back of a bandsaw blade.

 

  1. Guide arms are too far apart.
  2. Guide to wheel alignment is wrong.
  3. Top guide is missing.
  4. Bandsaw blade is rubbing wheel flange.
  5. Notch in top guide.
  6. Guides too tight.
  7. Straightness of bend.
  8. Speed to fast.
  9. Running time too long.
  10. Tension too high.
  11. Feed rate too heavy.
  12. Feed pressure too high.
  13. Coolant flow too low.
  14. Coolant mix improper.