GD&T Tips - You can Calculate a Cpk when MMC is Used

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You can Calculate a Cpk when MMC is Used (#52)

(In accordance with the ASME Y14.5-2018 standard)

(In accordance with the ASME Y14.5-2009 standard)

(In accordance with Y14.5M-1994 standard)

PDF is Available with GD&T Reference Center Subscription.

Many believe that when MMC is applied to a geometric tolerance, hard gaging, must be used. Hard gaging does not provide variable data and therefore is often not desirable for process control. Also, many customers today require that production calculate the Cpk of the process. The application of MMC or LMC may be thought of as specifying a single …

Back to Tips Tip added Jul 2022

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