Abstract
The present paper studies the variation of response measures with the variation in the input parameters during electric discharge machining (EDM) of 430 stainless steel using brass tool. The dielectric medium used in this study is tap water. Various types of toxic gases are evolved due to the use of conventional hydrocarbon oil in EDM. To reduce these toxic emissions and make the process sustainable, tap water is used as an alternative of hydrocarbon oil. The trend of variation of the response measures is investigated with the changes occurred in the input variables. MRR and TWR increase with increase in current. Whereas, MRR increases and TWR decreases with increase in pulse-on time. Surface roughness increases with increase in current and pulse-on time. Micrographs are studied to understand the surface texture of the workpiece. ANOVA is performed to know the percentage contribution of the variable parameters on the output performance measures.
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