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How to implement SPC with huge samples?

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  • #39403

    Edwards
    Participant

    I am looking for suggestions on how to implement SPC with the following scenario:
    (1) Variable parameter
    (2) Hundred of thousands of parts build everyday
    (3) Every piece part is being measured, we collect 100% of the data.
    Thanks
    David

    0
    #119704

    Ken Feldman
    Participant

    What makes you think that you want to implement SPC?  What are you trying to learn about the process?  Why are you measuring 100% of the parts?  Provide a few more specifics about your situation and possibly someone can give you useful feedback.

    0
    #119705

    Issa
    Participant

    If hundreds of thousands of parts are built every day and you perform a 100% testing on every part, what makes you beleive that you are collecting a sample? and why do you call it SPC?
    A 100% daily inpection on hundreds of thousands of items is certainly not cost effective and it will not provide a 100% defect free products to your customers. I do not know what you are producing but there must be a better way to do things.
    Issa

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