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Thread: Target datums ?

  1. #1
    Associate Engineer
    Join Date
    Nov 2011

    Target datums ?

    Hi Im in areospace I wondering is there a tolerance for target datums .

  2. #2
    Technical Fellow Kelly_Bramble's Avatar
    Join Date
    Feb 2011
    Bold Springs, GA
    Welcome to Engineers Edge Steve!

    Yes, technically all features and dimensions have a mechanical tolerance... If the datum target is located via Basic or a Theorectically Exact Dimension (TED) , then the datum target is located to gauge makers tolerance.

    A datum target can also be located with a limit tolerance (+/-).

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