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Proceedings Paper

Experimental study on performance verification tests for coordinate measuring systems with optical distance sensors
Author(s): Simone Carmignato
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Paper Abstract

Optical sensors are increasingly used for dimensional and geometrical metrology. However, the lack of international standards for testing optical coordinate measuring systems is currently limiting the traceability of measurements and the easy comparison of different optical systems. This paper presents an experimental investigation on artefacts and procedures for testing coordinate measuring systems equipped with optical distance sensors. The work is aimed at contributing to the standardization of testing methods. The VDI/VDE 2617-6.2:2005 guideline, which is probably the most complete document available at the state of the art for testing systems with optical distance sensors, is examined with specific experiments. Results from the experiments are discussed, with particular reference to the tests used for determining the following characteristics: error of indication for size measurement, probing error and structural resolution. Particular attention is given to the use of artefacts alternative to gauge blocks for determining the error of indication for size measurement.

Paper Details

Date Published: 19 January 2009
PDF: 10 pages
Proc. SPIE 7239, Three-Dimensional Imaging Metrology, 72390I (19 January 2009); doi: 10.1117/12.805991
Show Author Affiliations
Simone Carmignato, Univ. of Padova (Italy)

Published in SPIE Proceedings Vol. 7239:
Three-Dimensional Imaging Metrology
J. Angelo Beraldin; Geraldine S. Cheok; Michael McCarthy; Ulrich Neuschaefer-Rube, Editor(s)

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