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  1. Chrisloo

    Datum Feature Controls (Qualifying Datums) with Angle Tolerances

    Thanks for the responses. I am trying to push for more specific and defined drawings using GD&T but there is often debate among my coworkers that it isn't needed ALL the time.
  2. Chrisloo

    Datum Feature Controls (Qualifying Datums) with Angle Tolerances

    In cases where my secondary and tertiary datums are features of size, is the implied 90° angle of those features with ±1° angular tolerance from the title block enough to satisfy the datum orientation control requirements of 4.9(b)/4.9(c)? Using Y14.5-2009, Section 4.9 "Datum features shall be...
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