External surface scratch after workpiece bending

External surface scratch after workpiece bending

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reason:

  1. The surface of raw materials is not smooth.
  2. The bending radius of punch is too small
  3. Bending clearance is too small.

terms of settlement:

  1. Improve the smoothness of punch and die.
  2. Increase the punch bending radius.
  3. Adjust the bending clearance.

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About Post Author

Yan yifan

One of China's Experienced Sheet Metal Manufacturer and Fabricator Since 2011.
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