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  1. Evom

    Position tolerance using envelope requirement @ RFS

    Cannot seem to find any example from my references to enforce my theory on this so looking for clarification here. Have a hole say 5mm, tolerance of +/- 0.2, position tolerance of 0.05 applied controlling it with respect to 3 datums A, B & C using basic dimensions. From what I understand...
  2. Evom

    Positional tolerance: bi-direction

    The question I have is regarding the datum setup and the interpretation of tolerance zones established by them for bi-directional position tolerance frame setup. Attached is the illustrations from ISO 1101:2004 version of standards. ASME seems to have the same interpretation in regards to...
  3. Evom

    ISO envelope applications

    I've read in to the past week about the envelope boundary application when used as default for a drawing. I have multiple resources for placing together as much as possible for different scenarios other than ISO standards (1101). Right now I use mainly Alex Krulikowski's ISO Geometrical...

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