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MSA for Electrical Connectors Mating and Unmating Force

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  • #54204

    Vinod Aradhya
    Member

    I have a typical issue with MSA for connector mating and unmating force measurment.It is not a destructive test nor a non distructive test, because after every cycle of connector mating and unmating the force will change, normally in increasing trend for about 3 to 4 cycle. Then it stabilises but still it will not be a repeated same reading.The inhenrent within the part variation is being confounded with measurement system variation and always the in any method result will be “Measurement system not adequate.

    Please advise.

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    #194229

    MBBinWI
    Participant

    @v12aradhya – Does the increasing trend dissipate if the parts are left alone for some period of time?
    Does the increasing trend have a standard growth rate?
    If you mate/unmate the parts numerous times, does the increasing trend level out?
    When the actual parts are measured, are they only measured once? And don’t have the chance to have been mated/unmated some unknown number of times?

    The answers to these questions will lead you not only to how to structure your MSA, but how to structure your overall measurement approach.

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