OPTIMIZATION OF WIRE CUT EDM PROCESS PARAMETERS IN SURFACE ROUGHNESS AND MACHINING TIME BY TAGUCHI METHOD

Mechanical Engineering

Wire-cut Electric Discharge Machining (WEDM) is an efficient machining process in numerous applications like spacecraft, defense, transportation vehicles, micro systems, farm machinery. It is used to machine conductive and hard materials like metal matrix composites, ceramic composites and super alloys. En24 steel is a high quality engineering alloy steel containing chromium and molybdenum. It falls in a class of low alloy steel. It has high fatigue strength, abrasion and impact resistance, toughness, and torsional strength. It can be heat treated in a number of ways to give it a combination of properties. In this project, the optimization of WEDM machining parameters has done with different techniques like Taguchi Method, ANOVA. These techniques utilized for examination of impact of wire-cut EDM process parameters on Surface roughness (Ra) and Machining time on EN24 alloy. Parameters like pulse off time, pulse on time, Feed, are utilized to optimize the surface roughness (Ra) and Machining time. Taguchi’s L09 orthogonal array selected for the experimentation. ANOVA utilized for advancing parameters with the goal that least surface roughness and less Machining time is acquired

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