Ultrasonic machining method
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United States of America Patent
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Dec 25, 1990
Grant Date -
N/A
app pub date -
Mar 15, 1989
filing date -
Mar 15, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An ultrasonic machining method comprises the steps of causing a machining solution to readily produce a gas in the machining solution, supplying the machining solution around a workpiece to be machined, and producing an ultrasonic vibration to carry out an ultrasonic machining operation, wherein the gas is produced during the machining operation so that a machined surface of the workpiece is prevented from being degraded by the occurrence of cavitation. An ultrasonic machining apparatus comprise a heater for heating the machining solution or a DC power source for electrolyzing the machining solution.
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