A NEW SENSOR FOR REAL-TIME MILLING TOOL CONDITION MONITORING

被引:5
|
作者
LI, CJ
LI, SY
机构
[1] Department of Mechanical Engineering, Columbia University, New York, NY
[2] Department of Precision Machinery and Instruments, Changsha Institute of Technology
关键词
Control systems - Cutting tools - Failure analysis - Sensors;
D O I
10.1115/1.2899033
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A new sensor has been developed to automatically detect face-milling insert fracture, chipping, and wear. With a befitting PVDF (polyvinylidene fluoride) sensor, and an optical transmitter based on frequency modulation technique, a miniature sensor, with little influence on the cutting process, was positioned very close to the cutting site. Due to this closeness, the state of the insert can be reliably recognized with extremely simple and fast algorithms. A tool wear index which is sensitive to wear but insensitive to cutting conditions, a tool fracture index, and a chipping recognition scheme based on a linear pattern classifier have been developed and proven to be effective by experimental data.
引用
收藏
页码:285 / 290
页数:6
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