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RESEARCH PAPERS

An Investigation of Milling With Abrasive-Waterjets

[+] Author and Article Information
Mohamed Hashish

Flow Research, Inc., 21414 68th Ave. South, Kent, Washington 98032

J. Eng. Ind 111(2), 158-166 (May 01, 1989) (9 pages) doi:10.1115/1.3188745 History: Received June 01, 1987; Revised June 01, 1988; Online July 30, 2009

Abstract

The feasibility of using abrasive-waterjets (AWJs) for milling has been investigated in this research. The results of preliminary milling experiments indicate that abrasive-waterjets have great potential in this application with advantages unmatched by existing techniques. Linear cutting experiments were conducted on sample materials (aluminum, titanium, and Inconel) to generate a data matrix. The cutting results show a similar trend for these materials. The data were also correlated against a previously developed cutting model. Although a strong correlation is seen between the theoretical predictions and the experimental results, the prediction accuracy must be improved to allow for precision machining. Single-pass milling tests were also conducted to observe the geometry of the slots produced by the AWJ and the characteristics of the cut surface, and multipass milling tests were conducted on such materials as aluminum, glass, titanium, and graphite composites. Surface topography was found to be a function of both cutting and abrasive parameters, and surface finish was found to be strongly affected by abrasive particle size. A comparison with other machining techniques is presented in this paper. Abrasive-waterjet milling is among the most efficient methods of energy utilization for material removal.

Copyright © 1989 by ASME
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