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Tolerances Modified at LMC and MMC Are a Single Limit (#155)

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

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A geometric tolerance modified at MMC or LMC becomes a single limit control. This single limit is known as the virtual condition. Features toleranced in this manner need only be inspected for size and to assure that none of the surface of the feature has violated the virtual condition. This is important to realize when calculating Cpk for a …

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Back to Tips Tip added Dec 2002