PVDF sensor based on-line mode coupling chatter detection in the boring process

被引:9
|
作者
Nguyen V. [1 ]
Melkote S. [1 ]
Deshamudre A. [2 ]
Khanna M. [2 ]
机构
[1] George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA
[2] Siemens Energy, Inc., Charlotte, NC
来源
Manufacturing Letters | 2018年 / 16卷
关键词
Boring; Chatter detection; Cutting torque; Piezoelectric; Vibrations;
D O I
10.1016/j.mfglet.2018.04.004
中图分类号
学科分类号
摘要
Dynamic instability in the form of chatter vibrations during boring is detrimental to machining process. Therefore, an on-line chatter detection system is required to detect chatter before damage occurs. This paper evaluates a Polyvinylidene Fluoride (PVDF) piezoelectric thin-film based strain sensing system to detect mode coupling chatter in the boring process. In addition, this paper compares the performance of time domain based (autocorrelation), time–frequency based (wavelet transform), and frequency based (Fast Fourier Transform) methods for detecting mode coupling chatter. The PVDF sensor system is demonstrated to be a low-cost solution for detecting chatter in the boring process. © 2018
引用
收藏
页码:40 / 43
页数:3
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