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RESEARCH PAPERS: Machine Tools—Control

Principal Curvature Alignment Technique for Machining Complex Surfaces

[+] Author and Article Information
S. Bedi, S. Gravelle, Y. H. Chen

Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1 Canada

J. Manuf. Sci. Eng 119(4B), 756-765 (Nov 01, 1997) (10 pages) doi:10.1115/1.2836821 History: Received August 01, 1993; Revised October 01, 1996; Online January 17, 2008

Abstract

Machining complex three dimensional surfaces is a challenging task. This paper presents two methods of machining these surfaces on a 4 and 5 axis machine, using a toroidal shaped cutter. The methods propose to align the principal axis of curvature of the machining surface with that of the machined surface in order to increase the volume of material removed. The increase in material removal at a point reduces the scallop height. Thus, fewer passes are required to achieve the same surface finish.

Copyright © 1997 by The American Society of Mechanical Engineers
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