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Topic Statistical Tool to Decide if Equipment Is Good?

Statistical Tool to Decide if Equipment Is Good?

Home Forums General Forums Tools & Templates Statistical Tool to Decide if Equipment Is Good?

This topic contains 2 replies, has 3 voices, and was last updated by  Chris Butterworth 2 months, 1 week ago.

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  • #677669 Reply

    Seeking advice on which statistical tool to be used for decide if a self designed equipment is good enough to start mass production.

    #677675 Reply

    Before you start looking for a statistical tool you are going to need to provide yourself with some operational definitions – specifically – what is your definition of “good enough” and what is your definition of “mass production”?

    For example, if you have some kind of baseline metric/requirement, with respect to what is currently acceptable then the definition of “good enough” is….what – 1% better than the acceptable definition, just equal to the current acceptable definition, within some range around the current acceptable definition, etc.

    As for mass production – what kind? 10,000 widgets/minute, one widget/fortnight, etc.

    #677841 Reply

    Chris Butterworth

    I would go with a process capability study. Run the machine for a decent number of parts (~ 50) to get a sense for the inherent variability in the new machine. It is important to recognize that the variation in output will increase over time as you add new lots of raw materials, new operators, etc.

    Good luck.
    Chris Butterworth, MBB

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