Factors Influencing the Particle Size Distribution in an Abrasive Waterjet

[+] Author and Article Information
T. J. Labus

Milwaukee School of Engineering, Milwaukee, WI 53201

K. F. Neusen, D. G. Alberts, T. J. Gores

University of Wisconsin-Milwaukee, Milwaukee, WI 53211

J. Eng. Ind 113(4), 402-411 (Nov 01, 1991) (10 pages) doi:10.1115/1.2899714 History: Received December 01, 1989; Online April 08, 2008


A basic investigation of the factors which influence the abrasive jet mixing process was conducted. Particle size analysis was performed on abrasive samples for the “as-received” condition, at the exit of the mixing tube, and after cutting a target material. Grit size distributions were obtained through sieve analysis for both water and air collectors. Two different mixing chamber geometries were evaluated, as well as the effects of pressure, abrasive feed rate, cutting speed, and target material properties on particle size distributions. An analysis of the particle size distribution shows that the main particle breakdown is from 180 microns directly to 63 microns or less, for a nominal 80 grit garnet. This selective breakdown occurs during the cutting process, but not during the mixing process.

Copyright © 1991 by The American Society of Mechanical Engineers
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