How many reference gauges are measured for volumetric length measuring accuracy in CMM?

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Mr. Dubey

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Q. How many reference gauges are measured for volumetric length measuring accuracy in CMM?

(A) 2
(B) 3
(C) 4
(D) 5

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✅ Correct Answer: (B) 3

Explanation: it is defined as the difference between the reference length of gauges, oriented freely and the corresponding results from the machine. 3 reference gauges are measured. their lengths corresponding to approx. 1/3, 1/2 and 3/4 of the full travel of the longest axes.

Explanation by: Mr. Dubey

it is defined as the difference between the reference length of gauges, oriented freely and the corresponding results from the machine. 3 reference gauges are measured. their lengths corresponding to approx. 1/3, 1/2 and 3/4 of the full travel of the longest axes.

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