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公开(公告)号：US20170100793A1
公开(公告)日：2017-04-13
申请号：US15291657
申请日：2016-10-12
Inventor： Bo Hyun KIM , Pyeong An LEE
CPC classification number: B23H7/38 , B23H1/00 , B23H7/30 , B23H2400/00
Abstract: An electrical discharge machining device for processing a workpiece by electrical discharges generated between a tool and the workpiece is provided. The electrical discharge machining device includes an electric discharger applying electric power to the tool and the workpiece to process the workpiece, and a vibration generator applying a vibration to the tool or the workpiece using a first voltage generated between the tool and the workpiece during a time when the workpiece is processed
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