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Destructive Attribute Gage RR

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  • #31644

    Aidan
    Participant

    Anyone can provide input on how to conduct a destructive attribute Gage R&R, and its analysis method?
    Thanks. Aid.

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    #83580

    Schuette
    Participant

    Aiden,
    I have the same problem.  I have information on attribute R&R as well as destructive R&R’s, but nothing combining the two.
    Jim

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    #83995

    Schuette
    Participant

    Aidan,
    I have a similar problem where I work.  Unfortunately, after consulting a professor that specializes in MSA at Arizona State Univ., there doesn’t appear to be any work that has combined both destructive and attribute gage R&R at this time. 
    I do have references that talk about attribute R&R or destructive R&R if you would be interested in that.
    Jim
     

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    #84015

    Khandekar
    Participant

    Destructive Attribute Test- sounds interesting. Could you please describe in some more details? Is there any way in which you can modify the test so you get ‘variable’ results instead of a Yes/No?

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    #84047

    Schuette
    Participant

    I attach a flexible plastic part onto a microscope slide and this creates a chamber.  When I fill this chamber with fluid, a bubble commonly forms in one corner.  The size of the bubble is irrelevant since just the presence is enough to reject the part (slide).  I highly suspect that the plastic part is causing these bubbles, but previous physical measurments of the part have revealed no correlations.  Of course, many here have their own ideas about what is “causing” this problem and are off trying their ideas and not getting much real data out of it.  I’m trying to focus their efforts by getting data to point us in the right direction for further work. 
    Since, I have screened each roll of these plastic parts to see which roll would run better based on the proportion with bubbles. I set up the screening in a tree diagram much like one would do for a multi-vari chart, but I need the right equations to use.  I have articles on attribute testing, but this assumes no destruction of the parts tested.  I have articles on destructive testing as well, but this assumes variable data.
    I can’t think of a way to get variable data from this, but I’m open to any suggestions others may have.

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