Flatness measurement with laser scanner RS4

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  • Flatness measurement with laser scanner RS4

    Hello-
    I'm looking to take a flatness measurement. Equipment is a Romer RA-7525 (7 series) and RS4 red laser scanner. Part is aligned, and I'm using the CAD. I believe I should be able to do a flatness measurement using the laser scanner but have had no luck. I've attempted point clouds, cleaned clouds, surface colormaps, pointcloud color maps, and even to check my sanity went back to using a hard probe and taking a physical scan. Nothing seems to pull in to the flatness callout except for planes. And last I checked, planes are flat by definition, yes?? I've tried both with Legacy Dimensions and Xact Measure. What am I missing??? Apologies if this has been covered. I searched the forum with no luck but I'm relatively new here. Thanks in advance.

    Aaron

  • #2
    You must construct a plane from your point cloud, then do a flatness evaluation on that plane.
    PC-DMIS CAD++ 2o19 R1 SP11

    Comment


    • neil.challinor
      neil.challinor commented
      Editing a comment
      +1
      Flatness is the form deviation of a plane. If your surface is not planar then you need to use surface profile. It is also worth taking into account the tolerance being asked for since the laser may not be accurate enough.
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