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. The main purpose of this research is to examine the outcomes of process parameters of Wire Electro-discharge Machining over the tapered workpiecesof Titanium Alloy (Ti6Al-4V). Taper angle, current and pulse-off time are considered as the controllable factors effecting the responsevariables. Each sample has been cut with varying sets of machine controllable parameters to assess their effect on response variables; kerf width,wire wear, Material Removal Rate and surface roughness. Analysis of variances is applied, and mean Reponses are determined to recognize and comparethe most influencing parameters over the response variables for the WEDM Process. Regression model for the response variables are also developedusing which optimized WEDM process parameters are determined for the optimal response variables. It can be concluded that varying thickness ofmaterials due to tapered cross section affects all the four-response variable, while, current and pulse-off time along with their interactions havehigh impact over the response variables.

Experimental investigation for the effects of wire EDM process parameters over the tapered cross-sectional workpieces of titanium alloys (Ti6Al-4V)