Tool breakdown detecting system

Details Tool breakdown detecting system Tool breakdown detecting system

1979-11-21

1982-04-20

Wise, Edward J.

Boots, shoes, and leggings

364551, 364474, 73104, G06F 1546

Patent

active

043262570

ABSTRACT:
A tool breakdown detecting system having at least one predicted standard pattern of change in the cutting resistance of a tool corresponding to a possible breakdown is prestored in a memory and compared with an actual change pattern of the cutting resistance of the tool monitored during working. When a coincidence is found between the prestored change pattern and the actual change pattern of the tool this indicates a breakdown of tool an alarm signal is generated. The alarm signal can activate a visual or audible alarm as well as regulate the further movement of the tool.

REFERENCES:
patent: 3694637 (1972-09-01), Edwin et al.
patent: 3819916 (1974-06-01), Watanabe
patent: 3834615 (1974-09-01), Watanabe et al.
patent: 3841149 (1974-10-01), Edwin et al.
patent: 3848115 (1974-11-01), Sloane et al.
patent: 3872285 (1975-03-01), Shum et al.
patent: 4176396 (1979-11-01), Howatt

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