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Automatic chatter detection in grinding

delete2003-11-01
delete70
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OA
AI
J
Janez Gradišek
A
A. Baus
E
Edvard Govekar
F
Fritz Klocke
I
Igor Grabec
DOI：10.1016/S0890-6955(03)00184-6delete
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摘要

摘要

En 中文
Two methods for automatic chatter detection in outer diameter plunge feed grinding are proposed. The methods employ entropy and coarse-grained information rate (CIR) as indicators of chatter. Entropy is calculated from a power spectrum, while CIR is calculated directly from fluctuations of a recorded signal. The methods are verified using signals of the normal grinding force and RMS acoustic emission. The results show that entropy and CIR perform equally well as chatter indicators. Based on the normal grinding force, they detect chatter in its early stage, while only cases of strong chatter are detected based on RMS acoustic emission. (C) 2003 Elsevier Ltd. All rights reserved.
Keyword:
grinding
chatter
monitoring
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期刊

International Journal of Machine Tools and Manufacture 封面图
International Journal of Machine Tools and Manufacture
IF:
18.8
论文数:
3.6K
被引数:
1.8W

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