Apparatus for detecting tool damage in automatically controlled

Details Apparatus for detecting tool damage in automatically controlled Apparatus for detecting tool damage in automatically controlled

1984-02-02

1986-03-11

Birmiel, Howard A.

Measuring and testing

Vibration

By mechanical waves

364184, 364474, G01H 100, G01N 2900, G06F 1546

Patent

active

045746338

ABSTRACT:
An apparatus for detecting damage to the cutting tool fitted in a machine tool controlled by automatic machining control circuit means such as a microprocessor, which acts to sense the level of acoustic emission generated by the machine tool during machining, compares that level with one of a plurality of different predetermined data values which are stored in a memory circuit, and generates a warning signal if the noise level exceeds the predetermined level. The different data values stored in the memory circuit are respectively utilized for different machining conditions, i.e. different combinations of cutting tool, machining material, feed rate, etc.

REFERENCES:
patent: 4220995 (1980-09-01), Shoda
patent: 4413507 (1983-11-01), Drew
patent: 4456960 (1984-06-01), Wakai
patent: 4475160 (1984-10-01), Inaba

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