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Recent content by DonIreland

  1. DonIreland

    Only One side of equal tolerance used as significant characteristic

    Is it possible (and correct) to note that only one side of a bilateral tolerance is designated as a "significant characteristic"? The application involves the torque required to rotate a component. If certain features get too big, we see more friction which leads to more torque (same if mating...
  2. DonIreland

    Unilateral Angularity?

    Is it possible to have a unilateral angularity callout? I am updating a drawing to relocate Datum C from an undimensioned datum target located an uncontrolled edge of a plastic part. (Believe it or not - it has been in production this way for years and every layout ahs come back "good".....)...

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