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Romer Arm Zero point

Clementine
I have not used our Romer ARM for some time and I am struggling just to start the alignment.
I noticed when I created the plane for the Z axis feature, the software is not compensating the stylus ball. 15mms. The zero point is not Zero when I tough the stylus to the part after aligning. Plus when I make a point on the plane on Z axis I am getting .26 reading instead of "0".
What am I doing wrong?
Parents
  • To expand to Matthew's comment: when you are creating a Measured Feature of type Point, the probe compensation is dependent on your probehead angle.

    Meaning that if you are laying the side of the ball on the top surface, it might be comping in X+/X-/Y+/Y- instead of properly down in Z. This could explain why you're seeing points with a Z-height of about half the 15mm ball.

    Probe compensation for a Measured Feature of type PLANE takes place differently. It is NOT dependent on the probehead angle. Basically, you take a bunch of hits, PCDMIS looks at the ballcenter hit pattern, realizes it is a plane, and comps accordingly. Since it's a 3D feature, neither the probehead angle nor the workplane apply.

    Where did you do your Romer training? Take a look at Lab 5 from your workbook.
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  • To expand to Matthew's comment: when you are creating a Measured Feature of type Point, the probe compensation is dependent on your probehead angle.

    Meaning that if you are laying the side of the ball on the top surface, it might be comping in X+/X-/Y+/Y- instead of properly down in Z. This could explain why you're seeing points with a Z-height of about half the 15mm ball.

    Probe compensation for a Measured Feature of type PLANE takes place differently. It is NOT dependent on the probehead angle. Basically, you take a bunch of hits, PCDMIS looks at the ballcenter hit pattern, realizes it is a plane, and comps accordingly. Since it's a 3D feature, neither the probehead angle nor the workplane apply.

    Where did you do your Romer training? Take a look at Lab 5 from your workbook.
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