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Perpendicularity Problem

Mase18
Hello All,

Can someone please tell me why PC DMIS won't evaluate the perpendicularity of my cylinder - as it relates to my top plane? (see attachment) I'm not sure what I'm doing wrong. I know it's Monday and I am tired, but I didn't think I was that tired. Any help is appreciated. Thanks in advance. Slight smile
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  • Hey folks, Following up on this one. I'm at a loss....
    We recently upgraded to CAD 2022.2 from 2012. In the old software I was able to take these same steps without issue. New software, not so much.... Angry
    Attached Files
  • in reply to InXperienced@Best
    The error message is telling you what the problem is (and it has been discussed here in previous comments). Check the nominal vectors of your datum (PLN3) and your considered feature (PLN4). They MUST be nominally perpendicular - exactly 90° from each other. The error message is saying that they are not.

    Example: If the vector of PLN3 is 0,0,1 then the vector of PLN4 must have no Z component (it must be zero). The following would all work...

    0,1,0
    1,0,0
    0.5,0.866,0
    0.707,0.707,0

    but 1,0,-0.0000017 would not. If you were to do a 3D angle between the two planes it would report 90.0001°
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  • in reply to InXperienced@Best
    The error message is telling you what the problem is (and it has been discussed here in previous comments). Check the nominal vectors of your datum (PLN3) and your considered feature (PLN4). They MUST be nominally perpendicular - exactly 90° from each other. The error message is saying that they are not.

    Example: If the vector of PLN3 is 0,0,1 then the vector of PLN4 must have no Z component (it must be zero). The following would all work...

    0,1,0
    1,0,0
    0.5,0.866,0
    0.707,0.707,0

    but 1,0,-0.0000017 would not. If you were to do a 3D angle between the two planes it would report 90.0001°
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