Machining liquid processing apparatus in wire electric discharge machine
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United States of America Patent
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Issued Date -
Aug 2, 2007
app pub date -
Jan 29, 2007
filing date -
Feb 1, 2006
priority date (Note) -
Abandoned
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Abstract
A temperature sensor for detecting a machining liquid temperature in a machining tank is provided. A machining liquid cooling device controls machining liquid in a clean water tank based on the temperature detected by the temperature sensor and returns the machining liquid to the clean water tank. The machining liquid in the clean water tank is supplied to the machining tank and wire guides through pumps. Because the machining liquid temperature in the clean water tank is controlled based on the machining liquid temperature in the machining tank, it is possible to maintain the machining liquid in the machining tank substantially at a target temperature, even though the machining liquid is supplied after heated by the pumps.
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