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reason:
- The surface of raw materials is not smooth.
- The bending radius of punch is too small
- Bending clearance is too small.
terms of settlement:
- Improve the smoothness of punch and die.
- Increase the punch bending radius.
- 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.