Electrical discharge machine and electrical discharge machining method
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United States of America Patent
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Oct 6, 2015
Grant Date -
Jan 31, 2013
app pub date -
Apr 21, 2010
filing date -
Apr 21, 2010
priority date (Note) -
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Abstract
An electrical discharge machine that performs electrical discharge machining on a workpiece by supplying a machining fluid to a machining gap between a machining electrode and the workpiece, the electrical discharge machine including: an air-bubble generation unit that generates air bubbles in the machining fluid; a storage unit that stores therein the machining fluid containing the air bubbles generated by the air-bubble generation unit; and a flow-rate adjustment unit that adjusts a flow rate of the machining fluid that flows in the storage unit, wherein the flow-rate adjustment unit adjusts the flow rate according to a diameter of the air bubbles contained in the machining fluid to be supplied to a machining tank in which the workpiece is placed.
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