发明名称 Corrosion preventing apparatus, corrosion preventing method, and wire electric discharge machining apparatus
摘要 A corrosion preventing apparatus including: a water purifying part that includes a hydrogen-ion form resin and a hydroxy-ion form resin; an anticorrosive part that includes a cation form resin and an anion form resin having anticorrosive ions supported thereon; a conductivity measuring part that measures a measured value of conductivity of a machining liquid; and a control part that controls a flow of the machining liquid to the water purifying part and the anticorrosive part on the basis of the conductivity measuring part; wherein the control part performs control on the basis of predetermined first and second conductivities and the measured value measured by the conductivity measuring part.
申请公布号 US8753516(B2) 申请公布日期 2014.06.17
申请号 US200913513709 申请日期 2009.12.04
申请人 Mitsubishi Electric Corporation;Ryoden Koki Engineering Co., Ltd. 发明人 Kawarai Hisakatsu;Kuriki Hironori;Tanimura Jyunji;Ohata Tamayo;Sato Tatsushi;Yuzawa Takashi
分类号 B01D15/04;C02F1/42;B23H7/04 主分类号 B01D15/04
代理机构 Sughrue Mion, PLLC 代理人 Sughrue Mion, PLLC ;Turner Richard
主权项 1. A corrosion preventing apparatus comprising: a water purifying part that includes a hydrogen-ion form resin and a hydroxy-ion form resin; an anticorrosive part that includes a cation form resin and an anion form resin having anticorrosive ions supported thereon; wherein the anticorrosive ions of the anion form resin is one of nitrite ions, molybdate ions, and tungstate ions; a conductivity measuring part that measures a measured value of conductivity of a machining liquid; and a control part that controls a flow of the machining liquid to the water purifying part and the anticorrosive part on the basis of the conductivity measuring part; wherein, on the basis of predetermined first and second conductivities and the measured value measured by the conductivity measuring part, the control part performs control such that the machining liquid flows into the water purifying part and the anticorrosive part until the measured value of the machining liquid reaches the first conductivity, when the measured value reaches the first conductivity, the control part performs control such that the flow of the machining liquid into the water purifying part stops and the machining liquid flows into only the anticorrosive part, and when the measured value increases up to the second conductivity, the control part performs control such that the flow of the machining liquid into the water purifying part restarts and the machining liquid flows into the water purifying part and the anticorrosive part.
地址 Tokyo JP