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Datum references in the second segment of a composite feature control frame tighten the orientation of the pattern-no matter what the angle (#186)

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

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Here is a Tip inspired by one of our regular readers of the Tips. He pointed out that in the examples of composite tolerancing in the Y14.5 standard that explain the meaning of a datum reference in the second segment, the pattern of features seems to always be conveniently oriented squarely to the datum reference frame. His question was, "What …

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Back to Tips Tip added Jul 2005