Controlled-Depth Milling of Isogrid Structures With AWJs-Reference-Cited by-同舟云学术

Controlled-Depth Milling of Isogrid Structures With AWJs

Published:1998-02-01 Issue:1 Volume:120 Page:21-27
ISSN:1087-1357
Container-title:Journal of Manufacturing Science and Engineering
language:en
Short-container-title:

Author:

Hashish M.¹

Affiliation:

1. QUEST Integrated, Inc., Kent, WA 98032

Abstract

An experimental investigation was conducted to determine the feasibility of using abrasive-waterjets (AWJs) for controlled-depth milling of aluminum and titanium isogrid parts used in aerospace and aircraft structures. The effects of a wide range of milling parameters were studied. It was found that the traverse rate is the most critical parameter that affects the uniformity of the milled surfaces. Traverse rates on the order of several meters per second were found necessary to control the milling depth accuracy to within 0.025 mm. The problem of dynamically controlling the AWJ process parameters was negated by using a maskant material over the workpiece. The mask was AWJ-cut with the required pattern to be milled. The general topography of the milled surface was found to be more dependent on process kinematic parameters than AWJ process parameters, while surface morphology was found to be highly dependent on abrasive parameters. Milling to thin skins of 0.5 mm was demonstrated.

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Science Applications,Mechanical Engineering,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/manufacturingscience/article-pdf/120/1/21/5931998/21_1.pdf

Reference5 articles.

1. Hashish, M., 1987, “Milling with Abrasive-Waterjets—A Preliminary Investigation,” Proceedings of the 4th U.S. Water Jet Conference, Berkeley, California, August.

2. Hashish, M., 1989, “The Effect of Beam Angle in Abrasive-Waterjet Machining,” Symposium on High Energy Beam Machining Technologies, ASME, Winter Annual Meeting, San Francisco, California, December, PED. Vol. 41, pp. 23–29.

3. Hashish, M., 1994, “Controlled Depth Milling Techniques Using Abrasive-Waterjets,” Proceedings of the 12th International Conference on Jet Cutting Technology, Rouen, France, BHR Group Conference Series, Publication No. 13, October, pp. 449–461.

4. Ojmertz, K. M. C., 1993, “Abrasive Waterjet Milling—An Experimental Investigation,” Proceedings of the 7th American Waterjet Conference, Seattle, Washington, August 28–31, pp. 777–791.

5. Ojmertz, K. M. C., and Amini, N., 1994, “A Discrete Approach to the Abrasive Waterjet Milling Process,” Proceedings of the 12th International Conference on Jet Cutting Technology, Rouen, France, BHR Group Conference Series, Publication No. 13, October, pp. 425–434.

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