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The shape requirements for punch pin of precision stamping mold parts

Apr. 26, 2019

In precision stamping mold parts, punch pin plays an important role in product processing. Therefore, designing a reasonable punch pin of precision stamping mold parts is an indispensable part. So, how to design the punch pin of precision stamping mold parts? What are the requirements for its shape?


1.Avoid rectangular punches as far as possible, because rectangular punches are easy to jump waste.

2.Punch should avoid too long cantilever and slot. Because the cantilever will affect the strength of the punch. The narrow groove will affect the strength of the die. Punch avoids sharp corners as much as possible.


The shape requirements for punch pin of precision stamping mold parts


3.Punch should be made anti-stripping structure, and take into account the processing technology, as far as possible use of grinding machine and wire cutting processing, reduce the discharge processing.

4.The connection of the two punches will have an interface. In order to ensure smooth blanking, the size of the interface position of the punch on the product should be minimized. For some products, the size, position and shape of the interface should be worked out in consultation with customers.


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