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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
  • , your questions are interesting, and a lot of people should ask them to theirself... But I'm not sure that THE answer exists...
    You're right, the number of hits is important, but nobody can measure the entire surface.
    Just think to the necessary number of hits to dimension flatness, and it should be the right number. (of course, if you just want to have a good value, 3 hits gives a perfect flatness, and the BF plane should be the same that the tg... Wink)
    Scanning is a nice solution, but needs using outlier filters, and tangent planes don't have this option. So, you can create a filtered BF plane and then create the tg plane from its hits.

    Now it's coffee time, and it's friday !
    Happy week-end, all !
Reply
  • , your questions are interesting, and a lot of people should ask them to theirself... But I'm not sure that THE answer exists...
    You're right, the number of hits is important, but nobody can measure the entire surface.
    Just think to the necessary number of hits to dimension flatness, and it should be the right number. (of course, if you just want to have a good value, 3 hits gives a perfect flatness, and the BF plane should be the same that the tg... Wink)
    Scanning is a nice solution, but needs using outlier filters, and tangent planes don't have this option. So, you can create a filtered BF plane and then create the tg plane from its hits.

    Now it's coffee time, and it's friday !
    Happy week-end, all !
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