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Help with Profile of surface using FARO

adidesh
I have a faro arm and we recently upgraded to PC-DMIS, still getting used to the software, I have encountered this one problem.. I have to measure the profile of a gasket surface. There are two things needed here,
1st- the profile of the gasket surface
2nd - height of "inspection points" from datum (A) in Z axis
Now the inspection points are present on the CAD. The screen shot is attached.
I used "vector points" to construct the points as shown on the surface. The alignment was Iterative, using three datums, the gasket surface plane (A), the hole on the top left corner (B) and the hole on the bottom right corner (C). When I execute this program, the alignment looks ok, the plane and the circles align properly, but when I try and measure the vector points, the measured points somehow get projected away from the surface! Cannot figure out what I am doing wrong! Can anyone help me with this please? Thanks

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  • I wouldn't use that plane for an iterative alignment. Someone correct me if I'm wrong, but the plane would be reduced to a single point that is the average center of the points used to create it, which would be roughly along the line created between B and C here. If you've taken B and C as Auto Circles and used sample hits, then using one of the other two remaining holes on that surface (or both) to build the iterative alignment would be more helpful. You're not using the other holes for Rotate or Origin, only to level the plane.

    Can you post some code plz.
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  • I wouldn't use that plane for an iterative alignment. Someone correct me if I'm wrong, but the plane would be reduced to a single point that is the average center of the points used to create it, which would be roughly along the line created between B and C here. If you've taken B and C as Auto Circles and used sample hits, then using one of the other two remaining holes on that surface (or both) to build the iterative alignment would be more helpful. You're not using the other holes for Rotate or Origin, only to level the plane.

    Can you post some code plz.
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