Optimization of Electrical Discharge Machining Process Parameters Using Taguchi Method

K.SIVAKUMAR; K.ABRAHAM; M.MERCY LYDIA; B.L.RAMANARAYANA

Authors

K.SIVAKUMAR Assistant professor, Department of Mechanical Engineering, Audi Sankara College of Engineering, Gudur,A.P
K.ABRAHAM Associate professor, Department of Mechanical Engineering, Audi Sankara College of Engineering, Gudur, A.P
M.MERCY LYDIA Assistant professor, Department of Mechanical Engineering, Narayana College of Engineering, Nellore, A.P
B.L.RAMANARAYANA Associate professor, Department of Mechanical Engineering, Audi Sankara College of Engineering, Gudur, A.P

Keywords:

Electrical Discharge Machining, orthogonal array, Metal removal rate, Tool wear rate, ANOVA

Abstract

The objective of this research study is to investigate the optimal process parameters of Electric Discharge
Machining on Inconel 625 Nickel super alloy material with aluminum as a tool electrode. The effect of various
process parameters on machining performance is investigated in this study. The input parameters considered are
current; pulse on time and pulse off time are used for experimental work and their effect on Material Removal Rate,
Tool Wear Rate and Surface Roughness. The Taguchi method is used to formulate the experimental layout, ANOVA
method is used to analysis the effect of input process parameters on the machining characteristics and find the
optimal process parameters of Electric Discharge Machining. The results of the present work reveal that proper
selection of input parameters will play a significant role in Electric Discharge Machining.

Optimization of Electrical Discharge Machining Process Parameters Using Taguchi Method

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