Modelling and analysis of uncertainty in the form characterization of ultra-precision freeform surfaces on coordinate measuring machines

Chi Fai Cheung; Mingjun Ren; Lingbao Kong; David Whitehouse

doi:10.1016/j.cirp.2014.03.032

Modelling and analysis of uncertainty in the form characterization of ultra-precision freeform surfaces on coordinate measuring machines

Chi Fai Cheung, Mingjun Ren, Lingbao Kong, David Whitehouse

Research output: Journal article publication › Journal article › Academic research › peer-review

12 Citations (Scopus)

Abstract

This paper presents an uncertainty analysis model for the form characterization of ultra-precision freeform surfaces on coordinate measuring machines (CMM). The model is developed by incorporating the effect of the CMM, the sampling plan, and the evaluation method taking into account workpiece form deviations. It allows the analysis of the uncertainty of evaluated surface parameters with respect to the magnitude of the workpiece form deviation based on Monte Carlo simulation. The effectiveness of the model was successfully verified using a designed freeform artefact on a precision CMM. The model should make the reliable form characterization of ultra-precision freeform surfaces possible.

Original language	English
Pages (from-to)	481-484
Number of pages	4
Journal	CIRP Annals - Manufacturing Technology
Volume	63
Issue number	1
DOIs	https://doi.org/10.1016/j.cirp.2014.03.032
Publication status	Published - 1 Jan 2014

Keywords

Measurement
Surface
Uncertainty

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering

More information

10.1016/j.cirp.2014.03.032

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Modelling and analysis of uncertainty in the form characterization of ultra-precision freeform surfaces on coordinate measuring machines. / Cheung, Chi Fai; Ren, Mingjun; Kong, Lingbao; Whitehouse, David.

In: CIRP Annals - Manufacturing Technology, Vol. 63, No. 1, 01.01.2014, p. 481-484.

Research output: Journal article publication › Journal article › Academic research › peer-review

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AB - This paper presents an uncertainty analysis model for the form characterization of ultra-precision freeform surfaces on coordinate measuring machines (CMM). The model is developed by incorporating the effect of the CMM, the sampling plan, and the evaluation method taking into account workpiece form deviations. It allows the analysis of the uncertainty of evaluated surface parameters with respect to the magnitude of the workpiece form deviation based on Monte Carlo simulation. The effectiveness of the model was successfully verified using a designed freeform artefact on a precision CMM. The model should make the reliable form characterization of ultra-precision freeform surfaces possible.

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KW - Uncertainty

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Modelling and analysis of uncertainty in the form characterization of ultra-precision freeform surfaces on coordinate measuring machines

Abstract

Keywords

ASJC Scopus subject areas

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