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Title: Experimental validation of FEA modelling of touch trigger probes
Authors: Salleh, MR
Yang, QP
Wei, P
Jones, BE
Keywords: Coordinate measuring machines (CMMs);Touch trigger probe;Pre-travel variation;Finite element method (FEM);Model Validation
Issue Date: 2007
Publisher: IEEE
Citation: IEEE Instrumentation and Measurement Technology Conference, Warsaw, May 2007, pp. 36
Abstract: The authors have previously proposed the use of finite element method (FEM) for the modeling of coordinate measuring machine probes. Whilst the modeling results have been published previously, this paper presents the detailed experimental validation to compare the FEM and experimental results. The comparison shows that the agreement is generally good with probing contacts at lower latitudes near the equator of the reference sphere. The differences between the modeling and experimental results become large at higher latitudes. This is believed to be mainly caused by the sliding effects which occur during probing contact in the experiments.
ISBN: 1-4244-0588-2
ISSN: 1091-5281
Appears in Collections:Advanced Manufacturing and Enterprise Engineering (AMEE)
Dept of Mechanical Aerospace and Civil Engineering Research Papers

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