Uncertainty Analysis of Three-Dimensional Coordinate Measuring Machines
National Research Laboratory of Meteorology, 1-1-4 Umezono, Tsukuba 305, Japan
On the basis of the condition that the distances between planes be measured in accordance with the ISO guide “Uncertainty of Measurement”, the uncertainty of measurement of a CMM in the orthogonal coordinate system has been obtained by carrying out a systematic experiment. So the expanded uncertainty is given as 4.4μm.
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