Abstract
In this experiment, high strength low alloy (HSLA) steel is machined using the Electrical Discharge Machining technique (EDM). The effects of process factors on the tool wear rate (TWR) are investigated. The Taguchi method is used to design experiments. The L9 orthogonal array is used to assess the role of Current, Pulse off time, and Pulse on time. Following experimentation, the variance in data is examined (ANOVA) to determine the influence of each parameter. The results suggest that current contributes the most (82.75%) to the deterioration of electrode life. Each parameter's optimal level is determined. Experiments are done at optimum settings during validation. The validation results confirm the improvement. TWR is lowered by 1.22 mm3/min at optimal settings.
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