iSixSigma

CTQ Flowdown

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  • #25902

    Vivek
    Member

    Hi,
    I am doing a research on six sigma process(mainly DMADOV)
    I m having few doubts:

    When is the appropriate time to use CTQ Flowdown , in the beginning of design phase or at end?
    thanks in advance

    0
    #62912

    Trev
    Member

    Vivek,
    You want to do your final CTQ flowdown into CTPs (critical to processes) at the beginning of the design phase. You need to know what is critical to the process before you can design your new detailed processes, right?
    Hope that helped,Trev

    0
    #64360

    Khandekar
    Participant

    It should be used at design phase but should be reviewed and modified during development phase

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    #64579

    Kevin Lehigh
    Participant

    Vivek,
    Once you have a current process flow diagram and a SIPOC with theΒ  future high level process steps you should have what you need to get started to do a CTQ tree and C&E matrix, assuming that you have VoC and/or other pertinent data from the current process.Β  I would not wait until the design phase.Β  Do this up front in measure where you are to decide how you are to measure the future process to meet or exceed customer needs.Β  Otherwise you won’t have time to verify and validate your requirements with the customer prior to starting design.
    Kevin

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