Effect of polarity in micro-electrical discharge machining

被引:0
|
作者
Boban, Jibin [1 ]
Lawrence, Arun [1 ]
Manesh, K. K. [1 ]
Varghese, Leeba [2 ]
机构
[1] Govt Engn Coll, Dept Mech Engn, Trichur, India
[2] Viswajyothi Coll Engn & Technol, Dept Mech Engn, Ernakulam, India
关键词
Tool wear rate; Tool electrodes; Material removal rate; Polarity; PARAMETERS;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Micro Electric Discharge machining can be used to generate micro features and micro level dimensions on the work-piece irrespective of the hardness of the material. This paper discusses the effect of polarity in tool wear during micro-EDM drilling of stainless steel work-piece (SS 304). An experimental investigation has been carried out to understand the effect of change in polarity in tool wear using three different tool electrodes (Cu, Brass and W). Direct polarity has significant impact over reverse polarity in reducing tool wear for all the three electrodes. Further, observations indicated that material removal rate for stainless steel is maximum in case of direct polarity.
引用
收藏
页码:365 / 370
页数:6
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