Improving Milling Performance with High Pressure Waterjet Assisted Cooling / Lubrication

[+] Author and Article Information
R. Kovacevic, C. Cherukuthota, R. Mohan

Center for Robotics and Manufacturing Systems and Department of Mechanical Engineering, University of Kentucky, Lexington, KY 40506

J. Eng. Ind 117(3), 331-339 (Aug 01, 1995) (9 pages) doi:10.1115/1.2804338 History: Received October 01, 1993; Revised June 01, 1994; Online January 17, 2008


During machining, due to relative motion between tool and workpiece, severe thermal/frictional conditions exist at the tool-chip interface. Metal machining processes can be more efficient in terms of increasing the metal removal rate and lengthening tool life, if the thermal/frictional conditions are controlled effectively. A high pressure waterjet assisted coolant/lubricant system that can be used in conjunction with rotary tools (e.g., face milling) is developed here. The performance of this system is evaluated in terms of cutting force, surface quality, tool wear, and chip shape. The improvement in the effectiveness of the developed system with increase in water pressure and orifice diameter is also investigated. Stochastic modeling of the surface profile is performed to obtain more information about the role of waterjet in the machining process.

Copyright © 1995 by The American Society of Mechanical Engineers
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