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Optimization of Process Parameters in Electro-Discharge Machining using Taguchi Method

Journal: International Journal of Scientific Engineering and Technology (IJSET) (Vol.6, No. 5)

Publication Date:

Authors : ; ; ;

Page : 171-175

Keywords : Electric discharge machining; AISI20 steel work-piece; copper electrode; Current; Pulse off time; Pulse on time; Taguchi L9 orthogonal array; Miinitab-17; S/N ratio; Surface Roughness (Ra); Material Removal Rate(MRR); Tool Wear Rate(TWR);

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Abstract

EDM is an non conventional machine which is used in removing metal through thermal energy. The metals which can't be easily machined by drilling, milling, grinding etc. This research paper aims to investigate the set of process parameters such as pulse on time, pulse off time, current in the Electric discharge machining process to achieve results like higher material removal rate, better surface finish and lesser tool wear rate. The experiment is done on the Mild steel AISI20 work piece and the electrode taken is of copper. Taguchi method is used to get the optimized result. Graphs and response table are used to find the optimal levels of the parameters in the Electric discharge machining. The result revealed that the current, pulse off time & pulse on time hav

Last modified: 2017-05-03 19:41:15