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True Position of a slot

Markus
I apologize that I was unable to find an answer to my question. Perhaps I'm missing it since it's more of a GD&T question.

How does one calculate the true position of a slot? In my particular instance, a true position is given for both the X and Y axis. There is no "Boundary" callout that I'm used to seeing for slots. Is it merely inspecting the true position in just one axis for one callout and then the other axis for the other true position callout?

Thanks.
  • I apologize that I was unable to find an answer to my question. Perhaps I'm missing it since it's more of a GD&T question.

    How does one calculate the true position of a slot? In my particular instance, a true position is given for both the X and Y axis. There is no "Boundary" callout that I'm used to seeing for slots. Is it merely inspecting the true position in just one axis for one callout and then the other axis for the other true position callout?

    Thanks.

    The answer to your question could vary drastically based on how your print calls it out. We'd really need to see the print or a sketch of it or something to help you & know we were giving the correct advise for your situation.


  • The answer to your question could vary drastically based on how your print calls it out. We'd really need to see the print or a sketch of it or something to help you & know we were giving the correct advise for your situation.

    It really depends. Are you able to show a snippet of your print? Sometimes there are many ways about doing something.
  • Drawing attached. Thanks again.
    Attached Files
  • You need to remove the Ø from your feature control frame when you are creating the dimension. This will then give you the option to tolerance the length or the width of the slot.
  • Depending on your PC-DMIS version, the MMC might be calculated on the smallest section (ie. the width). This will not be according to print so you might need to create a generic feature and use that for the TP.
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