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Process measure for low volume low frequency process

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  • #45924

    Wizzzz
    Member

    Hi
    What kind of measurements and process performance tools (monitoring) should we use to monitor non recurring processes, meaning processes that have only one or two runs each year ? Altough we may use SS to improve even these processes, it appears that sigma, SPC etc..are meaningless here. Do you see any approach that may fit, in a SS environment and within a SS project ?
    Thank you !
    Wizzz

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    #151192

    Yang Liu
    Member

    You probably can focus on subprocess if you have. My company assemble a big equipment once a year, and our SS improvement focus on subprocess, such as A component assembly, Welding process, Packaging process, Data record process…..
    Hope it can be reference for you.

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    #151247

    melvin
    Participant

    We have tracked the completion of the activities, customer-supplier interactions, and other possible inputs (Xs).  This in addition to actual process perfromance, e.g., cycle time, quality, etc.
    The goal re inputs – are we getting necessary inputs at required time and with necessary quality, are we completing standardised work following the standard & creating the desired quality, are we completing process steps on time and qualilty, …?  Even for infrequently occurring processes, we can / should insure we had defined what needs doing & then have processes in place to insure we follow the standard. 
    This means we can control process inputs in good six sigma fashion! 
    Bob
     

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