Abstract
AbstractThe present work aims to explore the consequence of control parameters in machining characteristics of titanium grade 2 alloy in tap water-assisted electrical discharge machining (EDM). In the experimental study, copper and tap water have been used as electrode and dielectric, respectively. Tap water has been used as a substitute for hydrocarbon oil for reducing toxic emissions and contribute towards process sustainability. The machining properties such as rate of surface roughness, material removal rate and tool wear rate have been explored for distinct changes in pulse-on time and current. A Taguchi L16 orthogonal array has been incorporated for the experimentation. ANOVA has been executed to determine the distribution of each variable parameters for machining outputs. Material removal rate and tool wear rate have been observed to increase with the current. For an increase in pulse-on time, tool wear rate has been decreased and material removal rate increased. Surface roughness has been found to increase for both current and pulse-on time. Additionally, micrographs have been investigated to obtain the texture of the workpiece surface.KeywordsCopperEDMTap waterTitanium grade-2
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