In situ chatter suppression in milling machines using microphone

Chao-Ching Ho; Jin-Chen Hsu; Chih-Hao Lien; Ping-Yen Hsieh

doi:10.1117/12.2014420

31 January 2013 In situ chatter suppression in milling machines using microphone

Chao-Ching Ho, Jin-Chen Hsu, Chih-Hao Lien, Ping-Yen Hsieh

Proceedings Volume 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation; 87592G (2013) https://doi.org/10.1117/12.2014420
Event: International Symposium on Precision Engineering Measurement and Instrumentation 2012, 2012, Chengdu, China

Abstract

Chatter suppression in milling machines, using acoustic signals, is examined for preventing poor finishes and for upgrading production quality. The technique of on-line acoustic signal analysis for suppressing chatter has been examined in realistic milling experiments. The natural frequency was determined for end mills, based on finite element analysis, so that beam equations could be used for chatter detection. Frequency domain analysis was employed to monitor the shift in the dominant frequency. In this study, the acoustic chatter signal frequency and resonant peak were applied using a feedback control loop to quantify the acoustic signal and to compensate for spindle speed, respectively.

Citation Download Citation

Chao-Ching Ho, Jin-Chen Hsu, Chih-Hao Lien, and Ping-Yen Hsieh "In situ chatter suppression in milling machines using microphone", Proc. SPIE 8759, Eighth International Symposium on Precision Engineering Measurement and Instrumentation, 87592G (31 January 2013); https://doi.org/10.1117/12.2014420

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