5-Axis Freeform Surface Milling Using Piecewise Ruled Surface Approximation

[+] Author and Article Information
G. Elber

Department of Computer Science, Technion, Israel Institute of Technology, Haifa 32000, Israel

R. Fish

Department of Computer Science, University of Utah, Salt Lake City, UT 84112 USA

J. Manuf. Sci. Eng 119(3), 383-387 (Aug 01, 1997) (5 pages) doi:10.1115/1.2831117 History: Received March 01, 1994; Revised November 01, 1994; Online January 17, 2008


This paper presents a 5-axis side milling scheme for freeform surfaces based on automatic piecewise ruled surface approximation. With this scheme, resulting surface finish is accurate and pleasing, and has a smaller scallop height compared to ball-end milling. The ruled surface approximation can be made arbitrarily precise resulting in an overall fast milling operation that satisfies tight tolerances, and smoother surface finish. The class of surfaces that can take advantage of this type of 5-axis milling operation includes both convex and saddle-like (hyperbolic) shapes.

Copyright © 1997 by The American Society of Mechanical Engineers
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