Sensor feedback for process control is one of the essential elements in an automated deburring procedure. This paper presents the implementation of acoustic emission (AE), which has been developed as a feedback sensing technique for precision (mechanical) deburring, in a precision laser deburring process. AE signals were sampled during laser machining/deburring under various experimental conditions and analyzed using several signal processing methods including AE rms and spectral analysis. The results, such as the sensitivity of AE signals to different laser cutting depths, edge detection capability and the frequency analysis show a clear correlation between physical process parameters and the AE signals. A subsequent control strategy for deburring automation is also briefly discussed.
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Precision Laser Deburring and Acoustic Emission Feedback
Seoung Hwan Lee,
Seoung Hwan Lee
Department of Mechanical Engineering, Hanyang University, Korea
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David A. Dornfeld, Fellow ASME,
David A. Dornfeld, Fellow ASME,
Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94720
Search for other works by this author on:
Seoung Hwan Lee
Department of Mechanical Engineering, Hanyang University, Korea
David A. Dornfeld, Fellow ASME,
Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94720
Contributed by the Manufacturing Engineering Division for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received Aug. 1997; revised Nov. 1999. Associate Editor: R. Furness.
J. Manuf. Sci. Eng. May 2001, 123(2): 356-364 (9 pages)
Published Online: November 1, 1999
Article history
Received:
August 1, 1997
Revised:
November 1, 1999
Citation
Lee, S. H., and Dornfeld, D. A. (November 1, 1999). "Precision Laser Deburring and Acoustic Emission Feedback ." ASME. J. Manuf. Sci. Eng. May 2001; 123(2): 356–364. https://doi.org/10.1115/1.1346689
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