gage R&R

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  • gage R&R

    hallo to all,
    first i'm sorry for my english...
    my questions are:

    what' s the meaning of Gage R&R in case of automated test equipment?
    particulary the reproducibility ? there is no appraiser variation ...

    is there an american ,or much better , an international norm/rule/standard that' s define a metod to conduct the studies?

    can somebody help me ?I must complete this work friday but in this very moment i ' m still don't know what i have to do.

    thank's to all.

    alfio

  • #2
    Welcome to the board Alfio!

    This has been discussed and cussed about several times on several different forums.

    In my opinion, GR&R's on a CMM is ony valid when using fixtures to locate your parts and then you will need to run the standard 10 parts, 2-3 operators, 2-3 times.

    If your CMM measures the datum features, realistically you only need to check for the repeatability. I have an XL spreadsheet that will do the math for you if you're interested.

    PM me with your email address and I'll send it to you.

    Duane
    Xcel & MicroVal Pfx & Global 37mr4 thru 2012mr1sp3
    Contura Calypso 5.4

    Lord, keep Your arm around my shoulder and Your hand over my mouth. Amen.

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