Ultrasonic vibration electrical discharge machining in gas

被引：72
|
作者：
Zhang, QH [1 ]
Zhang, JH [1 ]
Deng, JX [1 ]
Qin, Y [1 ]
Niu, ZW [1 ]
机构：
[1] Shandong Univ, Coll Mech Engn, Jinan 260061, Peoples R China
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2002年 / 129卷 / 1-3期
关键词：
UEDM; gas medium; MRR; tool electrode wear;
D O I：
10.1016/S0924-0136(02)00596-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new method of ultrasonic vibration electrical discharge machining (UEDM) in gas is proposed in this paper. It is shown that electrical discharge machining (EDM) with ultrasonic aid can be achieved well in a gas medium. The tool electrode is formed into a thin-walled pipe, and a high pressure gas medium is supplied through it. During machining, ultrasonic vibration of the workpiece can improve the machining process. Molten workpiece material can be ejected from the base body of the workpiece with the aid of ultrasonic vibration and be removed/flushed out of the working gap without becoming reattached to the electrode. Selecting #45 steel and copper as the workpiece material and electrode material, respectively, experiments have been carried out, the results showing that UEDM is a method with a high material removal rate (MRR). The greatest advantages of this technique are lower pollution and a low electrode wear ratio. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：135 / 138
页数：4
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