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  1. formcast01

    Ball Burnishing of a 6 Lobe profile using CNC

    Thanks, guys, for the promptness! Yes, I agree, it is a small feature, but we do sizes up to M12. The material is M2, Rc 58-60. I'll consider all suggestions. We did order it outside and we asked for a better finish on the feature, but we didn't get quite the finish we were looking for. Burn...
  2. formcast01

    Ball Burnishing of a 6 Lobe profile using CNC

    Hi, Here is the problem: we manufacture fasteners and among those there are some Self Clinching Fasteners. They have a special feature under the head that helps "clinch" them to the sheet metal. The die that makes that feature breaks very fast. Currently we use EDM to burn the profile of the...

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