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Automotive stamping parts covering defective point? What are those?

by:Fortuna     2021-01-30
We all know that auto stamping parts quality requirements is very high, the basic requirement for 0 PPM, especially its surface covering parts is more demanding, but in actual production, will appear all sorts of problems, what are the bad points, the author to introduce you to: automobile stamping material craze: due to the die cut surface is not smooth, bright and clean degree difference, press stress, may cause the cracking raw materials; Auto stamping parts or material roughcast: from the plunger, height is not enough, the usual cause press pressure can not reach, automotive stamping die drawbead doesn't work; Stamping hair may be the cause of mold R Angle is too large, the mould should be finish test; Automotive stamping burr: may lead to mold clearance is too large, is the cause of the punch and mold edge collapse; Automotive stamping parts raw materials appeared pitting, pit package: first may be unqualified material itself, the second may be a foreign body in the mold; More than a few will often generated in the production of automotive stamping parts, we should make inspection when feeding and production, to avoid bad product, bad product produce is the loss of the cost! 【 Relevant recommendation 】 Details: how much do you know the new energy automotive stamping parts? Details: sharing details of stamping processing industry: precision metal stamping parts figure how to draw, please be aware that this several steps
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