Tool Breakage Feature Extraction in PCB Micro-hole Drilling Using Vibration Signals

被引：7
|
作者：
Ren, Zhenhua [1 ]
Zheng, Xiaohu [1 ]
An, Qinglong [1 ]
Wang, Chengyong [3 ]
Chen, Ming [1 ,2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200030, Peoples R China
[2] Zhejiang Univ, State Key Lab Fluid Power Transmiss & Control, Hangzhou, Zhejiang, Peoples R China
[3] Guangdong Univ Technol, Guangzhou, Guangdong, Peoples R China
来源：
ULTRA-PRECISION MACHINING TECHNOLOGIES | 2012年 / 497卷
基金：
中国国家自然科学基金;
关键词：
PCB Micro-hole Drilling; Vibration; Wavelet Transform; Tool Breakage; Feature Extraction;
D O I：
10.4028/www.scientific.net/AMR.497.126
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Tool breakage monitoring is crucial to automation fabrication, especially for high-density hole machining, such as PCB (Printed Circuit Board). A tool breakage feature extraction method in PCB micro-hole drilling is presented in this paper. The vibration signal is analyzed by wavelet transform. The decomposed signals energy ratio at each frequency band is computed as monitoring features. The monitoring performance of different features selection is given. The vibration signals are observed to provide the capability in distinguishing micro drill breakage with proper features extraction and classifier design.
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页码：126 / +
页数：3
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