Experimental and Mechanism Research on EDM Combined with Magnetic Field

被引：6
|
作者：
Cao, Mingrang [1 ]
Wang, Yanqing [1 ]
Yang, Shengqiang [1 ]
Li, Wenghui [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Mech Engn, Taiyuan 030024, Shanxi, Peoples R China
来源：
ADVANCES IN GRINDING AND ABRASIVE TECHNOLOGY XV | 2009年 / 416卷
关键词：
Magnetic field; Electrical discharge machining (EDM); Combined machining; Mechanism Research;
D O I：
10.4028/www.scientific.net/KEM.416.337
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The two disadvantages of EDM are the low material removal rate (MRR) and poor surface quality. In this investigation, EDM assisted by magnetic field (MFEDM) has been proposed for the first time to overcome above-mentioned disadvantages. Constant magnetic field was applied to the both sides of discharge channel perpendicularly to form a novel process. In experiment, EDM machine tool D703F was used to machine nonferromagnetic materials. The machining parameters discharge current and pulse duration were chosen to determine the effects on material removal rate and surface roughness. Experiment results indicate that the MRR of the combined machining is 1.2 similar to 3 times of EDM's one. Furthermore, the value of surface roughness is also reduced. Therefore, the introduction of magnetic field to EDM has important academic and practical values to the development of EDM.
引用
收藏
页码：337 / +
页数：2
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