How to solve the large wear and chipping, crushing of the chisel edge?

  1. Cause: Feed rate is too large
    Solution: Decrease feed rate, because too large feeding that will increase the cutting resistance.
  2. Cause: Point dimensions are not suitable
    Solution: Select correct point dimensions, for example: the point angle is small, but the rigidity of cutting material is big.
  3. Cause: Tool materials is not suitable
    Solution: Choose a suitable tool material that means choosing a bigger rigidity of material for making cutter.
  4. Cause: Relief angle is too small
    Solution: Increase relief angle, because too small relief angle will Increase the wear and tear of flank face.
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