Optimization of EDM Process Parameters For MRR, TWR and SR Using Response Surface Methodology

Mechanical Engineering

This work proposes an optimization methodology for the selection of optimum process parameters in electric discharge machining. In today’s competitive environment, the industries around the world are trying to increase their profits without increasing the sales price of their products. This can only be done through minimizing the losses that are occurring during production. In this work the Titanium super alloy and copper are used as work piece and tool electrode. Regular cutting experiments are carried out on die-sinking machine under different conditions of process parameters. The process model is formed by using central composite design using reputed literature data. This model is occupied to simultaneously maximize the material removal rate as well as minimize the tool wear rate and surface roughness using response surface methodology from Minitab 17.0 software. Finally, flexibility of method is compared with literature results. All results are shown in the form of tables and figures.

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