Measuring and testing – Vibration – By mechanical waves
Patent
1982-08-31
1984-09-25
Kreitman, Stephen A.
Measuring and testing
Vibration
By mechanical waves
73587, 73597, G01N 2900
Patent
active
044729707
ABSTRACT:
The invention relates to a method of measuring the dimensions of tools and/or workpieces of metal. The measuring is characterized in that an electro-erosive material-machining discharge in a dielectric is used as transmitter of pressure waves, the time of which through the tool or workpiece to the arrival in at least three well-defined positions is scanned and gives rise to time-responsive current pulses for a digital measuring system.
REFERENCES:
patent: 4033179 (1977-07-01), Romrell
patent: 4353256 (1982-10-01), Moorey
patent: 4413507 (1983-11-01), Drew et al.
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