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Proceedings Paper

Comparison of laser-based rapid prototyping techniques
Author(s): Hugh Humphreys; David Wimpenny
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Paper Abstract

A diverse range of Rapid Prototyping, or layer manufacturing techniques have evolved since the introduction of the first process in the late 1980s. Many, although not all, rapid prototyping processes rely on lasers to provide a localised and controllable source of light for curing a liquid photopolymer or heat to fuse thermoplastic powders to form objects. This paper will provide an overview of laser based rapid prototyping methods and discuss the future direction of this technology in light of the threats posed by low cost 3D printing techniques and the opportunity for the direct manufacture of metal components.

Paper Details

Date Published: 30 April 2002
PDF: 7 pages
Proc. SPIE 4644, Seventh International Conference on Laser and Laser-Information Technologies, (30 April 2002); doi: 10.1117/12.464173
Show Author Affiliations
Hugh Humphreys, Delcam Plc (United Kingdom)
David Wimpenny, Univ. of Warwick (United Kingdom)


Published in SPIE Proceedings Vol. 4644:
Seventh International Conference on Laser and Laser-Information Technologies

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