Modelling of the crater formation in micro-EDM

被引：41
|
作者：
Shao, Bai [1 ]
Rajurkar, Kamlakar P. [1 ]
机构：
[1] Univ Nebraska, Lincoln, NE 68588 USA
来源：
9TH CIRP CONFERENCE ON INTELLIGENT COMPUTATION IN MANUFACTURING ENGINEERING - CIRP ICME '14 | 2015年 / 33卷
关键词：
EDM; Modelling; FEM; DISCHARGE MACHINING PROCESS; THEORETICAL-MODELS; CATHODE; ANODE;
D O I：
10.1016/j.procir.2015.06.085
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A comprehensive electro-thermal model of micro-EDM has been used to simulate the crater formation process is presented. This model incorporates realistic machining conditions such as Gaussian distributed heat flux, temperature dependent thermal properties and expending plasma radius. The heat transfer equation and experimental measurements of a generated crater dimensions are used to determine the energy distribution fraction to the electrodes, a crucial parameter of the micro-EDM modelling. Simulation results show a good agreement with experimental results. (C) 2014 Published by Elsevier B.V.
引用
收藏
页码：376 / 381
页数：6
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