Probe position off

[[Zo...]]

I am measuring a part that I measured multiple times in the past, and the program that ran flawlessly before is no longer working but only on 1 feature. It comes after successfully measured 4-5 features, and when approaching this one, it is off by close to approx. 2 inches and I cannot find the reason.
Can anyone help me find why?
Using a 1mm probe, and I attached pictures showing where it is supposed to be and also where it actually is, when I stopped it before running into the setup.
On the picture it shows that the "Y" is or, assumed to be, +2.5326 from the center but it is barely a half inch from the part center in reality.

Also noticed that the simulated probe is shown on an angle, I never seen that before, and it cannot be correct, again, I don't know why that happened.

probe angled.JPGPROBE'S Y POSITION.JPGPROBE'S PROGRAMMED POSITION.JPGPROBE'S ACTUAL POSITION.JPG

[[Gr...]]

Is this the first feature in that program that uses that probe?

Also, you say it's a 1mm probe, but the CMM window says it's a 0.5mm? Could it have been swapped with the wrong probe physically or within the software? Can you post the calibration data for that probe?

[[Ju...]]

I have seen the probing object be at an angle like that after scanning the base alignment features when the part isn't sitting perfectly perpendicular to the table. It shouldn't affect the results.
Have you checked the retract distance on that particular feature?
If all else fails, you may need to put in a CMM Position Point before and after that feature to avoid collision(s).

[[Ma...]]

How you did base alignment? I would recommend using recalled 3d line instead of a circle. Rotated alignment I presume.

[[Ni...]]

Two things could be the issue. Have you tried qualifying the stylus/probe? Its possible it hasn't been qualified recently so its going in a different location than the rest of the probes.

The other thing is that your circle feature might be evaluated as an inside circle so it is trying to go to that starting point from the inside of the circle instead of the outside.

You can verify by opening up that feature and checking on the top left of the window. If it shows the image of a probe inside a hole then it is trying to go to the center of that circle first and then approach the scanning point.

Click on that button to switch to an outside circle. This way it will approach from the outside of the circle and not crash.

[[Zo...]]

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The probe is right, it's called 0.5 mm because it used to have a 0.5 mm ruby on left and right, but lately the left was replaced with a 1mm and the name remained 0.5mm probe.

But the calibration data was off on the Y axis, and after recalibrating it, it was working fine. This is actually the second time it happened, I just forgot about it as a possible cause. I do not know why it happens, why it's off by 2.143" or where that number even comes from, but qualifying the probe took care of the issue.

[[Zo...]]

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I did try putting in CMM positions , before the target point, but the probe wanted to go to the wrong position first. Luckily the re-qualifying took care of the issue.

[[Zo...]]

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That was precisely what was wrong, and after re-qualifying the stylus it worked fine.