Tool abnormality detecting device

Details Tool abnormality detecting device Tool abnormality detecting device

1991-03-26

1993-09-07

Smith, Jerry

Boots, shoes, and leggings

364507, 364511, 364185, 318565, G06F 1546, G05B 2302

Patent

active

052435334

ABSTRACT:
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.

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