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Tim:
Excellent points.
You certainly have the right understanding of PDCA's intent, however, that is not the typical implementation of PDCA, based on quality problems the US manufacturing faced, and end up outsourcing. It was not due to labor price, it was due to the ability of our processes to produce acceptable parts, not the best quality parts cost effectively. By the way, this scenario we still see it. Many BIG 3 suppliers still do a lot of inspection, sorting, and reinspection, and resorting....Industry's position speaks for itself. There are other reasons for their problems too.
You are absolutely write. PDCA is for product management through process control, while the 4P is for process management through supply control, and clearly defining targets.
Love to hear your thoughts about target. I have a question. At your work, do you find people define targets on prints and specifications. How much the process output is inspection dependent, and the first pass yields are?
Thanks,
praveen
Excellent points.
Praveen, I think I have a fundamentally different interpretation of "check" than you do - and perhaps a fundamentally different view of PDCA as a whole.
Perhaps PPPP is more of an an overall process management philisophy, while PDCA is the way to acheive the specific "perfect" stage. (And I pronounce that "per-FECT" as in "bring nearer to perfection", rather than "PER-fect" as in "flawless; always meeting specs")
Love to hear your thoughts about target. I have a question. At your work, do you find people define targets on prints and specifications. How much the process output is inspection dependent, and the first pass yields are?
Thanks,
praveen
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, so you should fit right in.