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Sensors 2016, 16(11), 1940; doi:10.3390/s16111940

Virtual Distances Methodology as Verification Technique for AACMMs with a Capacitive Sensor Based Indexed Metrology Platform

1
Centro Universitario de la Defensa, Academia General Militar, Ctra. Huesca s/n, Zaragoza 50090, Spain
2
Department of Design and Manufacturing Engineering, University of Zaragoza, María de Luna 3, Zaragoza 50018, Spain
3
Department of Industrial Engineering, University of Sonora, Rosales y Blvd. Luis Encinas s/n, Hermosillo 83000, Sonora, Mexico
*
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Received: 13 October 2016 / Revised: 8 November 2016 / Accepted: 15 November 2016 / Published: 18 November 2016
(This article belongs to the Section Physical Sensors)
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Abstract

This paper presents a new verification procedure for articulated arm coordinate measuring machines (AACMMs) together with a capacitive sensor-based indexed metrology platform (IMP) based on the generation of virtual reference distances. The novelty of this procedure lays on the possibility of creating virtual points, virtual gauges and virtual distances through the indexed metrology platform’s mathematical model taking as a reference the measurements of a ball bar gauge located in a fixed position of the instrument’s working volume. The measurements are carried out with the AACMM assembled on the IMP from the six rotating positions of the platform. In this way, an unlimited number and types of reference distances could be created without the need of using a physical gauge, therefore optimizing the testing time, the number of gauge positions and the space needed in the calibration and verification procedures. Four evaluation methods are presented to assess the volumetric performance of the AACMM. The results obtained proved the suitability of the virtual distances methodology as an alternative procedure for verification of AACMMs using the indexed metrology platform. View Full-Text
Keywords: AACMM; indexed metrology platform; virtual distance; verification AACMM; indexed metrology platform; virtual distance; verification
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MDPI and ACS Style

Acero, R.; Santolaria, J.; Brau, A.; Pueo, M. Virtual Distances Methodology as Verification Technique for AACMMs with a Capacitive Sensor Based Indexed Metrology Platform. Sensors 2016, 16, 1940.

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