Uncertainty analysis of point-by-point sampling complex surfaces using touch probe CMMs DOE for complex surfaces verification with CMM

Emanuele Modesto Barini, Guido Tosello, Leonardo De Chiffre

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The paper describes a study concerning point-by-point sampling of complex surfaces using tactile CMMs. A four factor, two level completely randomized factorial experiment was carried out, involving measurements on a complex surface configuration item comprising a sphere, a cylinder and a cone, combined in a single assembly. An investigation into the source and effects of different uncertainty contributors during this complex surface measurement was carried out. The factors involved were machine. probe, operator, and procedure dependent. The results obtained from the experiments were analysed in terms of deviations from CAD model, reproducibility, and measurement uncertainty. Statistical analysis and uncertainty budget are presented. (C) 2009 Elsevier Inc. All rights reserved.
Original languageEnglish
JournalPrecision Engineering
Volume34
Issue number1
Pages (from-to)16-21
ISSN0141-6359
DOIs
Publication statusPublished - 2010
Event10th CIRP International Conference on Computer Aided Tolerancing : Specification and Verification for Assemblies - Germany, Erlangen
Duration: 21 Mar 200723 Mar 2007

Conference

Conference10th CIRP International Conference on Computer Aided Tolerancing : Specification and Verification for Assemblies
CityGermany, Erlangen
Period21/03/200723/03/2007

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