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Die burst reason
Aug 01, 2017

1. Die material is not good in the subsequent processing is easy to break.

2. Heat treatment: quenching and tempering process improper deformation.

3. Mold grinding flatness is not enough, resulting in flexural deformation.

4. Design process: mold strength is not enough, knife blade spacing is too close, the mold structure is irrational, the number of modules is not enough pad pad feet.

5. Wire cutting improperly: pull line line cut, the gap is not right, did not make clearance.

6. Punch equipment selection: punch tonnage, blanking force is not enough, under the moderator too deep.

7. Stripped off: before the production without demagnetization treatment, no back material shoots; production of broken needle off the spring and other materials.

8. Falling material is not smooth: assembly mold when no feces, or roll block the feces, pad feet blocked feces.

9. Production awareness: laminated stamping, positioning is not in place, did not use blow gun, the template has continued to crack production.


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