Electrical discharge machine
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United States of America Patent
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Nov 13, 2018
Grant Date -
Mar 9, 2017
app pub date -
Sep 1, 2016
filing date -
Sep 3, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An electrical discharge machine of the present invention is provided with a machining tank stored with a machining fluid in which a workpiece is immersed for electrical discharge machining, a reservoir unit configured to store the machining fluid in order to supply to and recover the machining fluid from the machining tank, a machining tank non-storage condition detecting unit configured to detect that the machining fluid is not stored in the machining tank, an addable amount specifying unit configured to specify the amount of the machining fluid stored in the reservoir unit when it is detected that the machining fluid is not stored in the machining tank and specify an addable amount, which is an addable machining fluid amount, based on the capacity of the reservoir unit and the amount of the machining fluid stored in the reservoir unit, and a machining fluid adding unit configured to add the machining fluid in the addable amount or less.
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