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TECHNICAL PAPERS

Precision Laser Deburring and Acoustic Emission Feedback

[+] Author and Article Information
Seoung Hwan Lee

Department of Mechanical Engineering, Hanyang University, Korea

David A. Dornfeld

Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94720dornfeld@me.berkeley.edu

J. Manuf. Sci. Eng 123(2), 356-364 (Nov 01, 1999) (9 pages) doi:10.1115/1.1346689 History: Received August 01, 1997; Revised November 01, 1999
Copyright © 2001 by ASME
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References

Figures

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AE rms from Laser Deburring Experiments (Power=400 W, Feed rate=2.5 mm/sec., Time Const.=0.5 msec.)
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Average Values of AE and Depth of Cut (Power=400 W, Feed Rate=2.5 mm/sec.)
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AE rms for a slope cutting (Power=400 W, Feed Rate=2.5 mm/sec., Time Const.=0.5 ms)
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AE rms for a grooving with uneven tiers (Power=400 W, Feed Rate=2.5 mm/sec., Time Const.=0.5 ms)
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AE rms for Edge Detection (Power=300 W, Feed Rate=2.5 mm/sec., Time Const.=50 μs)
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AE Frequency Spectrum for Edge Detection Experiment (Power=300 W, Feed Rate=2.5 mm/sec., Sampling Fre.=2.5 MHz)
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AE Frequency Spectrum for Laser Grooving (Power=600 W, Feed Rate=2.5 mm/sec., Sampling Fre.=2.5 MHz)
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Mean Frequency vs. Laser Power
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Laser Deburring Control Scheme

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