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Recent content by Jimmerz

  1. Jimmerz

    Contoured, irregular surface as a datum

    I guess I owe my co-worker a coffee... I will have to look at the dwg first thing Monday to confirm which standard is involved. I assume since no datum targets are defined, the cad dataset defines the origin of the DRF? Does datum B define the orientation of A since they must be mutually...
  2. Jimmerz

    Contoured, irregular surface as a datum

    Is it correct to use the entire surface of a contoured part to define a datum? The dwg calls this out as datum A, without the use of datum targets... I believe that you must define at least 3 datum targets to define a plane. I also believe that a datum must be a plane and cannot be the entire...
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