Optimal design of cathode based on iterative solution of multi-physical model in pulse electrochemical machining (PECM)

被引：14
作者：
Fang, Ming [1 ,2 ]
Chen, Yuanlong [2 ]
Jiang, Lijun [2 ]
Su, Yongsheng [1 ]
Liang, Yi [1 ]
机构：
[1] Anhui Polytech Univ, Sch Mech & Automot Engn, Wuhu 241000, Peoples R China
[2] Hefei Univ Technol, Sch Mech Engn, Hefei 230009, Anhui, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2019年 / 105卷 / 7-8期
基金：
中国国家自然科学基金;
关键词：
Pulse electrochemical machining; Multi-physical model; Gap model; Cathode design; Iterative optimization; AVERAGED TEMPERATURE CALCULATIONS; ACCURATE NUMERICAL-SIMULATION; TOOL DESIGN; BOUNDARY-PROBLEM; PART II; ECM;
D O I：
10.1007/s00170-019-04529-w
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In pulse electrochemical machining (PECM), the control of pulse parameters would result in designing the cathode shape according to a given anode shape more complexly than in direct current electrochemical machining (DC-ECM). To solve the problem, a numerical approach is proposed to achieve optimal design of cathode. A gap model is proposed to describe the influence of pulse parameters on gap size and a multi-physical model is introduced to describe the influence of pulse parameters on the distribution of electrolyte conductivity which can reflect the distribution of gap. An optimization method based on iterative solution of multi-physical model is presented to improve design accuracy of cathode shape. The experiments are conducted to illustrate the method of cathode design in PECM process. The results show that the proposed method can effectively improve processing accuracy.
引用
收藏
页码：3261 / 3270
页数：10
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