ELECTROCHEMICAL MACHINING DEVICE AND ELECTROCHEMICAL MACHINING METHOD
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United States of America Patent
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Feb 26, 2016
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Feb 27, 2015
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An electrochemical machining device improves a roughness of a machined surface while keeping a relative scanning speed of a tool electrode with respect to a workpiece low. A power source applies a voltage, for making current for electrochemical machining flow, between a tool electrode and a workpiece. The tool electrode is arranged apart from the workpiece and is capable of being scanned relatively along a surface direction of the workpiece. An electrolytic solution supply section supplies electrolytic solution for electrochemical machining between the tool electrode and the workpiece. The charge control means eliminates an electrical charge that has accumulated between the tool electrode and the workpiece using an appropriate method.
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