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  1. cr7

    ISO diameter evaluation

    Hi, reading ISO 14405, while I have a problem to solve. I would like to evaluate "major diameter" with Gauss on a torus. I can see all about GG-global Gauss and LP-local 2 point, but is it possible to use LG-local Gauss? I can find anything about that option. Have a nice day all.
  2. cr7

    Center plane ISO 5459

    Hi guys, looking at 5459:2011 I would like to be sure, would the DRF (center plane) be exactly the same in both callouts?
  3. cr7

    Perp vs. TP - mini quiz - ISO

    Hi, me and my coworker (both senior metrologist on the paper) are trying to decode this. And at least I can speak for myself, I don't deserve anything more than junior for not knowing this at 3 o'clock in the morning. Attached are 2 versions: could the intent be identical? Only to control...
  4. cr7

    TP square pin

    Hi, similar is probably answered somewhere, but can't find it. Working with ISO, is it possible to control true position (derived median line) of a square pin with only 1 characteristic like it's done with round pin? Or, the only way is to tolerate it in each side?
  5. cr7

    ISO 5459 co-axial datums

    Hi, my second first post here. The first first was on ISO Standards & Certifications, but who reads that. Anyway: I'm reading thread -> Link and looking at snip -> Link from one post. What I can't get my head around is note marked with number 6. How is the collection feature established...

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