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Analysis of rapid manufacturing—using layer manufacturing processes for production

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journal contribution
posted on 2008-08-13, 10:39 authored by Neil Hopkinson, Phill M. Dickens
Rapid prototyping (RP) technologies that have emerged over the last 15 years are all based on the principle of creating three-dimensional geometries directly from computer aided design (CAD) by stacking two-dimensional proŽ les on top of each other. To date most RP parts are used for prototyping or tooling purposes; however, in future the majority may be produced as end-use products. The term ‘rapid manufacturing’ in this context uses RP technologies as processes for the production of end-use products. This paper reports Ž ndings from a cost analysis that was performed to compare a traditional manufacturing route (injection moulding) with layer manufacturing processes (stereolithography, fused deposition modelling and laser sintering) in terms of the unit cost for parts made in various quantities. The results show that, for some geometries, it is more economical to use layer manufacturing methods than it is to use traditional approaches for production in the thousands.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Citation

HOPKINSON, N., and DICKENS, P.M. 2003. Analysis of rapid manufacturing—using layer manufacturing processes for production. Proceedings of the Institute of Mechanical Engineers, Part C : Journal of Mechanical Engineering Science, 217 (C1), pp. 31-39

Publisher

© Professional Engineering Publishing

Publication date

2003

Notes

This is a journal article. It is a special issue publication and was published in the journal, Proceedings of the Institution of Mechanical Engineers, Part C : Journal of Mechanical Engineering Science [© Professional Engineering Publishing] and is available at: http://www.swetswise.com/link/access_db?issn=0954-4062

ISSN

0954-4062

Language

  • en