FIELD: metallurgy.
SUBSTANCE: in machining, machine tool mechanical oscillations are defined as vibroacoustic signals by appropriate instruments mounted thereat to convert said signals into electric signals and to isolate therefrom HF and LF components including intrinsic frequencies of machine tool assemblies. Relationship between amplitudes of said signals define cutting tool wear. Additionally, extra electric signal is generated proportional to machine tool primary drive active power. Effective amplitudes of signals are defined in said isolated frequency ranges. Current wear of cutting tool is defined by appropriate formula.
EFFECT: higher accuracy of wear determination.
4 dwg
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|---|---|---|---|
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|
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