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The aim of present study is to determine the optimum parameters on machining the material SS304 and nickel-coated copper tool by micro electrochemical machining. The coating process is done by an electroplating method. The parameters involved in the process are feed rate (0.5, 0.6, 0.7) duty ratio (0.6, 0.7, 0.8) voltage (16, 17, 18). Taguchi approach is used to find out the optimum machining parameter and the Minitab 17software is used to achieve better results. Copper coated tool life is improved when compared to the normal tool. The material removal rates (MRR), tapered angle, circularity, overcut are calculated by measuring the values on the video measuring machine.

Study of machining parameters of micro ECM on SS304 steel with nickel coated copper tool