A comparative investigation on magnetic field-assisted EDM of magnetic and non-magnetic materials

被引：27
|
作者：
Ming, Wuyi [1 ]
Shen, Fan [1 ,2 ]
Zhang, Zhen [3 ]
Huang, Hao [3 ]
Du, Jinguang [1 ]
Wu, Jie [3 ]
机构：
[1] Zhengzhou Univ Light Ind, Henan Key Lab Intelligent Mfg Mech Equipment, Zhengzhou 450002, Peoples R China
[2] Guangdong HUST Ind Technol Res Inst, Guangdong Prov Key Lab Digital Mfg Equipment, Dongguan 523808, Peoples R China
[3] Huazhong Univ Sci & Technol, Sch Aerosp Engn, State Key Lab Digital Mfg Equipment & Technol, Wuhan 430074, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2020年 / 109卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
Magnetic field-assisted; MRR; Surface roughness; Energy efficiency; EDM; MACHINING CHARACTERISTICS; ULTRASONIC VIBRATION; WEDM; FORCE; ENERGY; DEBRIS;
D O I：
10.1007/s00170-020-05653-8
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Assisted magnetic field is an important technique, successfully applied to electrical discharge machining process. In this paper, a comparative study of magnetic field-assisted electrical discharge machining (MF-EDM) has been conducted to process magnetic and non-magnetic materials. Firstly, a series of MF-EDM experiments on selected magnetic material (SKD11) and selected non-magnetic material (Ti6Al4V) were carried out to obtain material remove rate (MRR), surface quality (Ra), and energy efficiency. Then, the influences of magnetic field and servo voltage on machining performance of MF-EDM were completely analyzed under SKD11 and Ti6Al4V. It can be found out that the effects of appropriate magnetic field on two different materials contribute to increasing energy utilization efficiency and MRR under the similar surface roughness. Particularly, MRR of magnetic materials (SKD11) can be improved more significantly than that of non-magnetic materials (Ti6Al4V) due to the smooth debris removal of magnetic materials via Lorenz force acting. These researches could help better understand the effect of magnetic field on the electric discharge machining process of different kinds of materials.
引用
收藏
页码：1103 / 1116
页数：14
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