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CMM-Ve Accuracy

oli268
Looking to purchasing the CMM-Ve for our B&S One CMM with a Tesastar-M articulating head. We work with tolerances as small as +/-.0002" and I need to know if the CMM-Ve is a good option for us. I wanted to ask an opinion from someone other than a Hexagon engineer (who will obviously praise the CMM-Ve).

Thanks for the input and advice
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  • Depends on how you use the cmmv !
    If you use it only on A0B0, without contact probe, I believe it's possible... But I don't know exactly what could be the uncertainty with a tol of ±5 µm (Capability U=Tol/4 ? => 1.25 µm on a cmm is a dream !)
    If you measure with a ttp and the cmmv +rotation of the head, it will be hard to obtain less than 0.02 mm. The calibration of angles on the cmmv is not accurate, it's the most problem of it, but it's enough to measure some parts that you cannot touch !
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  • Depends on how you use the cmmv !
    If you use it only on A0B0, without contact probe, I believe it's possible... But I don't know exactly what could be the uncertainty with a tol of ±5 µm (Capability U=Tol/4 ? => 1.25 µm on a cmm is a dream !)
    If you measure with a ttp and the cmmv +rotation of the head, it will be hard to obtain less than 0.02 mm. The calibration of angles on the cmmv is not accurate, it's the most problem of it, but it's enough to measure some parts that you cannot touch !
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