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Bad phenomenon of stamping parts coil

Posted by: Fymicohuang 2021-10-02 Comments Off on Bad phenomenon of stamping parts coil

1. The roll material is in the same state as a scar. Cause: foreign matter peeling off, caused by foreign matter on the surface or inside of the steel plate.

2. The corners of the coil are damaged. Cause: The corners (20-30mm) are deformed or crushed due to uneven stress.

3. The roll material is bulging. Cause: The roller slips, foreign matter enters the back of the coil, and the foreign matter disappears when it falls.

4. Roll traces. Cause: foreign matter adheres to the roller, causing obvious groove marks on the surface.

5. Surface scratches. Cause: It is caused by the surface of the roller or foreign material.

6. The edges of the metal stamping parts are irregularly damaged. Cause: It is caused by poor material beyond the rules.

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