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Error in GD&T? SOLVED: (update) It's two separate requirements, need separate dimensions.

I tried to create the FCF shown on the print using the Xactmeasure true position, but I had a error message pop up. So I'm just looking for someone to confirm that the print has Bad GDnT.


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  • The op does not show a composite frame. It is multiple single-segments.

    Perhaps a better explanation would be found in

    7.5.5 Multiple Positionsl Tolerances for a Pattern of Feature of Size.
    If different datums, different datum modifiers, or the same datums in a different order of precedence are specified, this constitutes a different datum reference frame and design requirements. This is not to be specified using the composite positional tolerancing method. A separately specified tolerance, using a second sinlge-segment feature control frame is used, including applicable datums, as an independent requirement. See Fig. 7-55


    I know the op does not have a pattern, but I think this is how it should be done.


Reply
  • The op does not show a composite frame. It is multiple single-segments.

    Perhaps a better explanation would be found in

    7.5.5 Multiple Positionsl Tolerances for a Pattern of Feature of Size.
    If different datums, different datum modifiers, or the same datums in a different order of precedence are specified, this constitutes a different datum reference frame and design requirements. This is not to be specified using the composite positional tolerancing method. A separately specified tolerance, using a second sinlge-segment feature control frame is used, including applicable datums, as an independent requirement. See Fig. 7-55


    I know the op does not have a pattern, but I think this is how it should be done.


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