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2. 发明申请

US20150231716A1 WIRE ELECTRIC DISCHARGE MACHINING DEVICE AND METHOD 审中-公开
标题翻译：电线放电加工设备及方法
公开(公告)号：US20150231716A1
公开(公告)日：2015-08-20
申请号：US14361706
申请日：2012-12-10
申请人： SODICK CO., LTD.
发明人： Kiyoyuki Yamazaki , Tatsuo Matsui
IPC分类号： B23H1/02 , B23H7/26 , B23H7/10
CPC分类号： B23H1/024 , B23H7/02 , B23H7/10 , B23H7/104 , B23H7/16 , B23H7/26
摘要： Provided is a wire electric discharge machining device and method capable of reliably terminating a short circuit between a wire electrode and a workpiece. The invention relates to a wire electric discharge machining device that starts machining of a workpiece (3) by generating an electric discharge in a machining gap formed between the workpiece and a wire electrode (2) threaded through a start hole (4) in the workpiece. The wire electric discharge machining device includes: a tension control device (56) that controls tension of the wire electrode so as to maintain the tension at a set value; a short circuit detector (57) that detects a short circuit between the wire electrode and the workpiece; and a short circuit termination system that reduces the tension of the wire electrode and vibrates the wire electrode in order to terminate a short circuit when the short circuit detector has detected the short circuit.
摘要翻译：提供一种能够可靠地终止线电极和工件之间的短路的电线放电加工装置和方法。本发明涉及一种线放电加工装置，其通过在工件与穿过工件中的起动孔（4）的线电极（2）之间形成的加工间隙中产生放电来开始加工工件（3）。线材放电加工装置包括：张力控制装置（56），其控制线电极的张力，以将张力保持在设定值; 检测线电极和工件之间的短路的短路检测器（57）以及短路终端系统，其在短路检测器检测到短路时减小线电极的张力并振动线电极，以便终止短路。

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