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  • Users: DoogieP
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  1. DoogieP

    Interpretation of datum -C-

    Greetings All, My customer is rejecting this part claiming that the lower pattern of M3 holes are out of tolerance. When I check them the worst TP I get is about .028mm they are getting TP around .380mm. When I setup and measure I'm implying the bottom surface is parallel to datum A-B not shown...
  2. DoogieP

    Feasibility of inspecting large radius with short arc length

    Hello all, Can anyone shed some light on the feasibility of inspecting the 4.375R on the attached drawing? We have an OGP smartscope and the operator is using video and\or laser scanning to measure the radius. What I'm trying to convey to him is first, I think he should be hard probing this...
  3. DoogieP

    datum reference frame and profile

    Greetings All, I hope someone can clarify an ongoing debate on interpretaion of a print.The attached print is a basic representation of an actual part and shows the features in question. As I see the part the datum reference frame is established by A, P3 and P4 since hole P1 has no positional...

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