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Tooling that relieves sheet stress and warping

The problem is well known.
You would like to produce a sheet with a large amount of holes. Sheet distortion results due to the small hole spacing. There is no patent solution for it. BUT: there are some countermeasures!

Fundamentally you should keep in mind that:

- you make the right choice for clearance.
- you should use only sharp /ground tools.
- use an active stripper or fully guided cluster punch

Should all of these points not be enough, there is the option to use tools that relieve sheet stress and warping.


illustration


illustration

   


Tooling with sheet stress relief feature

This is a solid tool.

The stripper is produced concave.

(Attention: use only active stripper!)


If you have any further questions please do not hesitate to
contact our sales engineers.

 

 
     
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PASS Punch & Die Inc.   .P.O. Box 70   .USA 49333 Middleville, MI   .Phone 800-546-9340   .Fax 269-865-6200   .email: sales@pass-usa.com .imprint    .terms    .sitemap