2013 : Optimization of surface roughness and recast layer thickness in the Wire-EDM process of AISI D2 tool steel using Taguchi-grey-fuzzy

Ir. Bobby Oedy Pramoedyo S. MSc., Ph.D.
Bambang Pramujati ST, MSc.Eng, Ph.D


Abstract

Article PreviewArticle PreviewIn this paper, the optimization of surface roughness and recast layer thickness of a WEDM process of AISI D2 steel was investigated by using Taguchi method, grey relational analysis and fuzzy logic. The experiments were conducted under varying flushing pressure, on time, open voltage, off time and servo voltage. An orthogonal array, signal-to-noise (S/N) ratio, grey relational analysis, grey-fuzzy reasoning grade and analysis of variance were employed to the study of the multiple performance characteristics. Experimental results have shown that machining performance characteristics in WEDM process of AISI D2 steel can be improved effectively through the combination of Taguchi method, grey relational analysis and fuzzy logic.