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Recent content by Mhrob

  1. Mhrob

    ISO position tolerance for pattern when datum is the pattern hole axes

    Pmarc, Thank you for a very detailed response. So when you were describing the upper-segment tolerance, you said it "not only controls spacing WITHIN the pattern...". Can you clarify what you mean here? I am assuming you mean like, the spacing of the pattern as a unit relative to the basic...
  2. Mhrob

    ISO position tolerance for pattern when datum is the pattern hole axes

    I agree with what you are saying 100%. See the drawing below. What you just described is exactly what I put on my initial drawing. However, I received mark ups and was told that "the only datums needed should be Datum B as the axes of the two 7mm holes, and the flat surface that those holes are...
  3. Mhrob

    ISO position tolerance for pattern when datum is the pattern hole axes

    Hello, Thanks for the response. I think I should have just supplied the actual drawing to explain. So this is what I had in mind, but the issue I'm having is whether or not the upper segment here is correct. The problem is that I really only have 2 datums on this drawing: the flat...
  4. Mhrob

    ISO position tolerance for pattern when datum is the pattern hole axes

    Hello all. First time post here. Soon-to-be graduated engineer currently in an internship. So I am working on preparing drawings for some brackets I’ve designed, and I have a request to change something from management that I am not sure how to go about. For a composite position tolerance (in...

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