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Statistical Tolerance Analysis

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This topic contains 4 replies, has 4 voices, and was last updated by  Sergey 2 years, 9 months ago.

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  • September 15, 2016 at 5:09 pm #55454

    James Cook

    I have unique situation, where the manufacturing product dimension were found to be out of tolerance during first article inspection. But the product does get assembled properly with the mating component and passes the functionality test 100 percent. What would be the solution/rationale to such a kind of deviation in dimension but passes the functionality test.?

    In addition, one of the solution we came up was to perform statistical tolerance analysis in MINITAB to be performed.

    It would be really helpful if you guys can provide me a solution and as well as say how to proceed with Statistical Tolerance Analysis if it needs to be performed.

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    September 15, 2016 at 6:58 pm #200071

    Strayer
    Participant

    The obvious question is whether tolerance for first article inspection is tighter than needed for proper assembly. Ask how this tolerance was determined.

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    September 16, 2016 at 6:28 am #200073

    Chris Seider
    ★★★★★★★★★★
    Participant

    Either another functionality hasn’t been checked or the specs weren’t appropriate?

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    October 14, 2016 at 6:09 pm #200152

    randy sanchez
    Participant

    To determined the tolerance specification, you can refer it thru the customers engineering specification their you can find the tolerance.

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    October 17, 2016 at 2:24 am #200157

    Sergey
    Participant

    It is important to notice that this unique product results may have nothing common with others. Can you statistically prove that it will work with all such product out of specification?

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