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  1. JamesDWeed

    composite & two-single feature frame position tolerance

    Thanks everyone...I always learn something from this group. Composite is what I will use...the two single FCFs almost seem redundant, but i'm sure there's a case when it applies. Jim Weed
  2. JamesDWeed

    composite & two-single feature frame position tolerance

    Group, Anyone have a simple way of explaining the difference between composite & two-single feature frame position tolerance?...arrg. I know the basics - top frame is for the pattern, bottom frame is for the feature, but not sure when to apply one rather than the other. Ref pages 130 - 133...
  3. JamesDWeed

    Positional Tolerance Zones (square vs. round)

    Bare w/ me - I am new to GD&T. Thought I had positional tolerance figured out....but NOOO....anyway, here is my question: If I put a diam. symbol in front of my positional tolerance, how does that affect the zone? If I do not use a dia. symbol, is the zone a square? Thanks for your patience...

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