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Experimental and Numerical Studies of Laser-Assisted Drilling Processes

[+] Author Affiliations
Tien-Chien Jen, Yau-Min Chen, Fern Tuchowski

University of Wisconsin at Milwaukee, Milwaukee, WI

Paper No. HT-FED2004-56455, pp. 1015-1023; 9 pages
doi:10.1115/HT-FED2004-56455
From:
  • ASME 2004 Heat Transfer/Fluids Engineering Summer Conference
  • Volume 3
  • Charlotte, North Carolina, USA, July 11–15, 2004
  • Conference Sponsors: Heat Transfer Division and Fluids Engineering Division
  • ISBN: 0-7918-4692-X | eISBN: 0-7918-3740-8
  • Copyright © 2004 by ASME

abstract

The application of lasers in manufacturing has gained considerable attention recently. The aim of this study is to develop an innovative laser-assisted drilling process through an innovative tool design. Predictive thermal optimization tools will also be developed which will greatly extend the tool life and the keep the machine down time to a minimum. An experimental investigation of a laser assisted drilling process was conducted in this study. Carbon steel (0.1% Carbon content) was used as the ablating material and a CW CO2 laser was employed with the beam formed into a ring shape. Finite Element Method was also used for numerical simulation of the process. Comparison between experimental and numerical results indicates good qualitative agreement between theory and experiment within the limits of the (rather large) uncertainty with which material properties are known to date.

Copyright © 2004 by ASME
Topics: Lasers , Drilling

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