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Recent content by QA4

  1. QA4

    True Position with MMC

    Need a little help figuring out MMC on some holes and whether they pass or fail. As an example, Datum A is the bottom, B and C are two sides,so i set up a coordinate system between all three. Hole is basic dimension 19.738 in one direction and the other is basic dimension 30.833, hole diameter...
  2. QA4

    minus-minus tolerance call out

    powerhound: So if the dimension is listed at 1.250 -.001 -.002. Does mean the actual dimension should be 1.248 - 1.249 to make it acceptable?
  3. QA4

    minus-minus tolerance call out

    CoryPad....my mistake it was .010 -.000 -.005? So i think the range is .005 to .010. Correct?
  4. QA4

    minus-minus tolerance call out

    Got a print dimension call out that reads 10 -.000 -.005. Is my range .005 to 10?
  5. QA4

    ISO Tolerances

    I should be a bit more specific. I can't seem to find what ISO 2768-mk tolerances are? In the example i do not know what the "H8" means?
  6. QA4

    ISO Tolerances

    Hi, I got a print that has the following tolerances listed and i am having trouble finding what the actual +/- tolerances are? It's all metric. ISO 2768-mk ISO 13920-BF ISO 1101 Example of one is: Dia 41H8(2X) Thanks!
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