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  • Users: MPSU
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  1. MPSU

    Positional tolerance twice for same Stud

    Hey everyone, I'm working on a new drawing and came across something confusing. Datum A is a plane. Datum B is a stud, which has a positional tolerance on one side (without the Ø symbol). On the next page of the drawing, the same stud is referenced again, but this time with a positional...
  2. MPSU

    Seeking Guidance for My First GD&T Application on a Bracket Assembly

    Hey everyone, I'm a bit of a novice when it comes to GD&T. I can read drawings and figure out how to design a checking gauge based on the GD&T, but this is my first time being tasked with applying GD&T to a part. My boss has handed me a bracket that attaches to a car and supports the spoiler...
  3. MPSU

    Primary Datum on two planes

    Hey everyone, I’m back with a bit of confusion and hope you can help me out. I'm still learning GD&T, so apologies if this seems like a basic question. I received a component drawing where the primary datums are placed on two different surfaces, and the C datum is on a curved surface. My...
  4. MPSU

    Positional Tolerance of a Corner profile

    Hello guys. We just got a new plastic part and we were reviewing its drawing when we noticed that there is positional callout at the corner and it says TYP 4x. Since it is a continous edge, I am wondering why it says 4x. ALso, how could we measure positional tolerance at the corner. Any ideas...
  5. MPSU

    Slot as Primary datum for a Blow Molded Part

    I have a Blow Molded part with A & B datum given as center point of a Slot. This slot opening does not have any inner dimensions but only profile callout on the outside since it is assembled in a housing. Now, I am working with one of our Gauge manufacturers who is asking if this is at RFS or...

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