GD&T Tip - Datum Reference Frame

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Have Your Datum Reference Frame and Satisfy Others (#168)

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

PDF is Available with GD&T Reference Center Subscription.

Often people are troubled when the planes of a datum reference frame do not appear as vertical or horizontal centerlines on the drawing. On this drawing the second and third datum planes of the datum reference frame established by A, B, C are not vertical and horizontal. The dimensioning and tolerancing is easier to read/understand if two …

Back to Tips Tip added Jan 2004

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Have Your Datum Reference Frame and Satisfy Others (#168)

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

Your Source for GD&T Training
Based on The GD&T Hierarchy

Your Source for GD&T Software
and Computer Based Training

We offer On-Site Courses,
Public Seminars,
Webinars and Computer Based Training.