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    • 74. 发明授权
    • Tool abnormality detecting device
    • 工具异常检测装置
    • US5243533A
    • 1993-09-07
    • US674993
    • 1991-03-26
    • Shigeyoshi TakagiTokio UedaMasahiro Takagi
    • Shigeyoshi TakagiTokio UedaMasahiro Takagi
    • G05B19/4065
    • G05B19/4065G05B2219/37249G05B2219/37252G05B2219/37585G05B2219/50008
    • A tool abnormality detecting device for a machine tool for machining a work with a machining tool selected according to a machining program. The device has a machining load detector for detecting a load during machining with a machining tool. A memory is provided to store threshold data for judging a tool life, detection starting time data and detection time data for each machining stage carried out with respective machining tools. Further the device is provided with a comparison/judgement unit for judging abnormality of the tool by taking detection data corresponding to the machining tool from the memory and comparing an output value of the machining load detector with a threshold within a detection time set in the detection data.
    • 一种用于机加工工具的工具异常检测装置,该装置根据加工程序选择加工工具。 该装置具有加工负载检测器,用于利用加工工具在加工过程中检测负载。 提供存储器来存储用于判断刀具寿命的阈值数据,检测开始时间数据和用各个加工工具执行的每个加工阶段的检测时间数据。 此外,该装置设置有比较/判断单元,用于通过从存储器获取与加工工具相对应的检测数据来判断工具的异常,并将加工负载检测器的输出值与检测中设置的检测时间内的阈值进行比较 数据。