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Abstract

This report describes the second and final phase of a project aimed at providing a means of assessing the quality of evaluation algorithms used in the software of coordinate measuring machines (CMMs). As in Phase I, data sets were synthesised, simulating CMM-measurements of 6 basic geometric elements in 3D-space (straight lines, planes, circles, cylinders, cones and spheres). In order to make the software task of computing the best fit elements in Phase II harder, the simulated measuring points were not only distributed randomly, but also restricted to particular fragments of the geometric elements. Again, a significant proportion of the CMM-software applied showed weaknesses and, partly, even an inability to recognise the simulated geometries. The results of an inquiry among European manufacturers are combined in report EUR 13418.

Additional information

Authors: DRIESCHNER R, Physikalisch-Technische Bundesanstalt, Braunschweig (DE);BITTNER B, Physikalisch-Technische Bundesanstalt, Braunschweig (DE);ELLIGSEN R, Physikalisch-Technische Bundesanstalt, Braunschweig (DE);WÄLDELE F, Physikalisch-Technische Bundesanstalt, Braunschweig (DE)
Bibliographic Reference: EUR 13417 EN (1991) 68 pp., MF, ECU 4, blow-up copy ECU 8.75
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