Monitoring of Thermal Energy Distribution in Abrasive Waterjet Cutting Using Infrared Thermography

[+] Author and Article Information
R. Kovacevic, R. Mohan, H. E. Beardsley

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

J. Manuf. Sci. Eng 118(4), 555-563 (Nov 01, 1996) (9 pages) doi:10.1115/1.2831067 History: Received September 01, 1994; Revised July 01, 1995; Online January 17, 2008


Thermal energy distribution in the workpiece cut with abrasive waterjet (AWJ) is analyzed using the technique of infrared thermography through isotherms and linescans. Variation in workpiece temperature with thermal conductivity and cutting conditions is studied. The feasibility of visualization of AWJ cutting mechanisms in opaque materials using infrared thermography is investigated. A novel technique of AWJ nozzle wear monitoring through infrared thermography is proposed. A comparative study of infrared thermography results with the readings of thermocouples and the two-dimensional moving line heat source model show a close correspondence indicating that infrared thermography is a good technique for the above application.

Copyright © 1996 by The American Society of Mechanical Engineers
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