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Multi-objective optimisation of product quality in the manufacture of Ti-6Al-4V prostheses

Multi-objective optimisation of product quality in the manufacture of Ti-6Al-4V prostheses This paper presents a multi-objective optimisation procedure for optimising the quality of prostheses and manufacturing productivity. The aim of this procedure is to develop machining performance models through a minimal and progressive Design of Experiment (DoE), which models the variables of interest by linear regressions or Surface Response Models (SRMs). The multi-objective optimisation is based on desirability functions, which are defined according to the relative importance of each variable of interest. The procedure was implemented to optimise a process of manufacturing spherical turned components for Ti-6Al-4V hip prostheses with special requirements as regards surface roughness Ra, Rz and geometrical form tolerance. (Received 12 October 2009; Revised 9 January 2010; Accepted 4 March 2010) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Manufacturing Research Inderscience Publishers

Multi-objective optimisation of product quality in the manufacture of Ti-6Al-4V prostheses

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References (14)

Publisher
Inderscience Publishers
Copyright
Copyright © Inderscience Enterprises Ltd. All rights reserved
ISSN
1750-0591
eISSN
1750-0605
DOI
10.1504/IJMR.2010.033471
Publisher site
See Article on Publisher Site

Abstract

This paper presents a multi-objective optimisation procedure for optimising the quality of prostheses and manufacturing productivity. The aim of this procedure is to develop machining performance models through a minimal and progressive Design of Experiment (DoE), which models the variables of interest by linear regressions or Surface Response Models (SRMs). The multi-objective optimisation is based on desirability functions, which are defined according to the relative importance of each variable of interest. The procedure was implemented to optimise a process of manufacturing spherical turned components for Ti-6Al-4V hip prostheses with special requirements as regards surface roughness Ra, Rz and geometrical form tolerance. (Received 12 October 2009; Revised 9 January 2010; Accepted 4 March 2010)

Journal

International Journal of Manufacturing ResearchInderscience Publishers

Published: Jan 1, 2010

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