Acoustic detection of tool wear and fracture

Details Acoustic detection of tool wear and fracture Acoustic detection of tool wear and fracture

1980-01-29

1982-06-01

Ciarlante, Anthony V.

Measuring and testing

Surface and cutting edge testing

G01N 1900

Patent

active

043321615

ABSTRACT:
For detecting brittle fracture and wear of a tip of a cutting tool an acoustic emission monitoring system has a converter for converting acoustic emission into an electric signal, a filter for rejecting frequency components in the signal below a frequency between 50 kHz and 300 kHz, a detector to detect the amplitude of the signal after the rejection of those frequency components, and a comparator for comparing that amplitude to a predetermined reference amplitude.

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patent: 3548648 (1970-12-01), Weichrrodt et al.
patent: 3713127 (1973-01-01), Keledy et al.
patent: 3793627 (1974-02-01), Darrel et al.
patent: 3841149 (1974-10-01), Edwin et al.
patent: 4087801 (1978-05-01), Noh

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