Experimental Investigation of WEDM Variables on Surface Roughness of AISI H13

Abstract

The objective of this paper is to experimentally investigate the effects of various Wire Electrical Discharge Machining variables on Surface Roughness of AISI H13 using ANOVA method. The effect of all the input parameters on the output responses have been analyzed using analysis of variance (ANOVA). Plots of S/N ratio have been used to determine the best relationship between the responses and the input parameters. The optimum set of input parameters for minimum surface roughness has been determined. It has been found that wire type and pulse on time are most significant factors for surface roughness