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Wear on a pocket

Wear on a pocket

Wear on a pocket

(OP)
Please see the attachment.

The piece at the top (material ASTM A108, grade 1010, cabronnitride harden), moves along the pocket of 40.035 from the piece (aluminum)at the bottom from the attached file on the direction as it is placed at the doc.
A cam drives the roller to go up and down (the first piece of the attachment).
In an effort to improve quality, it was tumbled and boom! started wearing at the top of that pocket.  After many hours working I have discovered from many warranties with some other issues that the bottom parts show a groove where material is removed also!.
We have been building parts with this marginal process/design for  a long time...

We have tried several ideas, the cheaper one seems to be using a piston grind process (on some 3d data taken from the samples we also discovered some weaviness along the shell).
The first drawing is a mark up trying to describe the result of the piston grind process.

Is it something I can simulate with abaqus?

thanks for your help

  

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