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Article dans une revue

Optimizing step gauge measurements and uncertainties estimation

Abstract : According to the standard ISO 10360-2 (2001 Geometrical product specifications (GPS)-acceptance and reverification tests for coordinate measuring machines (CMM)-part 2: CMMs used for measuring size (ISO 10360-2: 2001)), we verify the coordinate measuring machine (CMM) performance against the manufacturer specification. There are many types of gauges used for the calibration and verification of CMMs. The step gauges with parallel faces (KOBA, MITUTOYO) are well known gauges to perform this test. Often with these gauges, only the unidirectional measurements are considered which avoids having to deal with a residual error that affects the tip radius compensation. However the ISO 10360-2 standard imposes the use of a bidirectional measurement. Thus, the bidirectional measures must be corrected by the residual constant offset probe. In this paper, we optimize the step gauge measurement and a method is given to mathematically avoid the problem of the constant offset of the tip radius. This method involves measuring the step gauge once and to measure it a second time with a shift of one slot in order to obtain a new set of equations. Uncertainties are also presented.
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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-01469372
Contributeur : Le2i - Université de Bourgogne <>
Soumis le : jeudi 16 février 2017 - 13:35:55
Dernière modification le : vendredi 17 juillet 2020 - 14:58:13

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François Hennebelle, T Coorevits, R Vincent. Optimizing step gauge measurements and uncertainties estimation. Measurement Science and Technology, IOP Publishing, 2017, 28 (2), pp. Article Number: 025002 ⟨10.1088/1361-6501/28/2/025002⟩. ⟨hal-01469372⟩

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