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Die crack what are specific reasons

Jie Mei Precision Mould Ltd | Updated: Jan 14, 2017

1. mold material not in the subsequent processing of fragile
2. heat treatment: hardening tempering process undue deformation
3. mold grinding flatness is not enough, and deflection
4. design process: the strength is not enough, too close to the edge spacing, mould structure unreasonable template blocks without enough padding feet
5. improper line cutting processing: line control line cutting, the gap does not, no clearance angle
6. Press device selection: press tonnage, blanking is not enough, the transfer mode is too dark
7. removal is not suitable: no demagnetization treatment before production, no RMA; production of needle spring broken

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