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Plane line point vs plane plane plane

Smallsvillanova
Hello everyone,

I am aligning and programming utilizing a J-corner fixture. In my experience i have been told that aligning to plane plane plane would be ideal for several reasons. My colleague believes that a plane line point is better. I do not have as much experience as he does but through all my training i have been told that whenever possible i should align to 3D features. Any insight, experience stories, or bits of wisdom are greatly appreciated.

Thank you!
Parents
  • If you have PC-DMIS version 2019 R2 (or later), there's no reason not to do it as correct as possible, it's not much work:

    - measure primary plane
    - construct a "Primary datum plane" from that (this was called "Tangent plane" in earlier versions)
    - measure secondary plane
    - construct a "Secondary datum line" (new in 2019 R2)
    - measure tertiary plane
    - construct a "Tertiary datum Point" (new in 2019 R2)
    - align on the constructe features

    If you have an older version, it's still possible to get close to the same thing, with a bit more code. I can show it here if you need it...
Reply
  • If you have PC-DMIS version 2019 R2 (or later), there's no reason not to do it as correct as possible, it's not much work:

    - measure primary plane
    - construct a "Primary datum plane" from that (this was called "Tangent plane" in earlier versions)
    - measure secondary plane
    - construct a "Secondary datum line" (new in 2019 R2)
    - measure tertiary plane
    - construct a "Tertiary datum Point" (new in 2019 R2)
    - align on the constructe features

    If you have an older version, it's still possible to get close to the same thing, with a bit more code. I can show it here if you need it...
Children
  • in reply to AndersI
    I am absolutely intrested in doing it as correct as possible. I have 2018r1 and I dont really have any experience with variable, expressions, etc. As ive only taken level one but if you post the code that would be great and I'll do my best to understand. Im not gonna try to make you explain the next 2 levels through the forum lol
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