The invention relates to a detecting instrument for moving parts machine tool fault, comprising a cutter, workpiece composed of thermoelectric signal sensor, synchronous signal sensor, auxiliary electrode, signal pre processor, digital computer and display and recording instrument. The sensor and the auxiliary electrode respectively pickup signal input signal pre processor, digital computer input is processed by digital computer processing can be obtained through the display, fault recorder list the measured moving parts of the machine, the utility model has the advantages of micro cutting directly from the pickup signal, therefore the signal confidence in the high frequency range, and has online the real-time detection function, and can realize the authenticity test.
【技术实现步骤摘要】
【技术保护点】
一种机床运动部件故障检测装置，包括热电势信号传感器１、同步信号传感器２、辅助电极３、信号予处理器４、数字计算机５和显示器６、记录仪７，热电势信号传感器１、同步传感器２、辅助电极３接信号予处理器４，信号予处理器４接数字计算机５，数字机算机５接显示器６、记录仪７，其特征在於：热电势信号传感器１由合金刀具１８和被切金属工件１７组成，合金刀具１８和被切金属工件１７分别固定在机床上，被切金属工件１７与机床之间相导通，合金刀具１８与机床之间相绝缘，合金刀具１８作信号输出端，机床作接地端，信号予处理器４由衰减器８、９、抗干扰放大器１０、低通滤波器１１、放大器１２、限幅指示器１３、模数转换...
【技术特征摘要】
【专利技术属性】
技术研发人员：安邦健，潘海丽，
申请(专利权)人：上海第二工业大学，
类型：发明
国别省市：31[中国|上海]
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