Effect of Ultrasonic Vibration of Tool on Electrical Discharge Machining of Sintered NdFeB Magnet

被引：2
|
作者：
Li, Li [1 ]
Niu, Zongwei [1 ]
Yuan, Guangming [1 ]
机构：
[1] Shandong Univ Technol, Sch Mech Engn, Zibo 255049, Peoples R China
来源：
PROGRESS OF MACHINING TECHNOLOGY | 2009年 / 407-408卷
关键词：
Ultrasonic Vibration; EDM; NdFeB Magnet; EDM;
D O I：
10.4028/www.scientific.net/KEM.407-409.628
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Sintered NdFeB magnet is widely used in many areas because of its excellent magnet. This paper studies the effect of ultrasonic vibration of tool on electrical discharge machining of it. Experiments were carried out on self-made equipment and material removal rate(MRR) against pulse-on time, MRR versus peak current and machined surface results with and without ultrasonic employment were analyzed. Results show that MRR of the ultrasonic assisted electro-discharge machining would be up to five times higher than MRR of the conventional EDM for small pulse durations and low discharge currents. The machined surface of US/EDM is finer than EDM because of less arcing and short circuit pulses. There are less cracks on the surface.
引用
收藏
页码：628 / +
页数：2
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