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《Equipment Manufacturing Technology》 2009-07
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The On-line Monitoring System Of NC Tool Breakage Using Wavelet Analysis

HAN Ya-li,CHEN Yong(Changsha Aeronautical Vocational and Technical College,Changsha 410124,China)  
The article puts forward a on-line monitoring system of tool breakage during the drilling processes by detecting the feed motor current.In the system,the discrete wavelet analysis is used to deal with the feed motor current signals.The tool breakage features were extracted from the disposal signals.The application to the on-line monitoring system of interruption type custom macro function is discussed.Experience indicates that the tool breakage can be identified real-time,giving an alarm and replacing tool can also be realized after using the monitoring system and interruption type custom macro function.Accordingly,the malfunction stop time of machine is cut down greatly and the usage of machine is increased greatly.
【Fund】: 湖南省科技计划项目(2007FJ3055)
【CateGory Index】: TG659
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