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Trouble with Diameters

I am having some trouble with measuring accurate Diameter size, I have read some threads on this type of thing but the solutions provided pertain to mostly Bridge Type CMMs and I am using a Romer Arm. So I'm interested in any tips you guys may know of to get more accurate results. ... oh and it seems I have more trouble when working on sheet metal parts and I can imagine its due to the thickness of the material. Thanks in Advance
Parents
  • First off, yeah, good luck getting sized on sheet metal with a Romer. It isn't so much the hardware as it is the fleshware. Trying to hold that probe on the shear while triggering the probe.....

    What size holes are these? Are they small enough that you can use the 1-point hole method? You need a probe that it bigger than the hole, and it requires you to measure a plane around the hole, then you hold the probe on the hole, and it will calculate based on where that measured plane intersects the probe.
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  • First off, yeah, good luck getting sized on sheet metal with a Romer. It isn't so much the hardware as it is the fleshware. Trying to hold that probe on the shear while triggering the probe.....

    What size holes are these? Are they small enough that you can use the 1-point hole method? You need a probe that it bigger than the hole, and it requires you to measure a plane around the hole, then you hold the probe on the hole, and it will calculate based on where that measured plane intersects the probe.
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