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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?
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  • 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?

    ALL data on CMM's with PCDMIS comes from the center of the ball of the probe. If all you are doing is resting the probe on the plane, the display will show you the radius value of the probe. If you program a point on that plane, then go and take the touch, it SHOULD comp for the radius.
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  • 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?

    ALL data on CMM's with PCDMIS comes from the center of the ball of the probe. If all you are doing is resting the probe on the plane, the display will show you the radius value of the probe. If you program a point on that plane, then go and take the touch, it SHOULD comp for the radius.
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