Study on the Influence of Process Parameters on Surface Roughness and MRR of AISI 420 Stainless Steel Machined by EDM
|International Journal of Engineering Trends and Technology (IJETT)||
|© 2014 by IJETT Journal|
|Year of Publication : 2014|
|Authors : Sonu Mathew , Deviprasad Varma P.R. , Sabu Kurian P
Sonu Mathew , Deviprasad Varma P.R. , Sabu Kurian P. "Study on the Influence of Process Parameters on Surface Roughness and MRR of AISI 420 Stainless Steel Machined by EDM", International Journal of Engineering Trends and Technology (IJETT), V15(2),54-58 Sep 2014. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
AISI 420 stainless steel is a martensitic stainless steel which has good corrosion and magnetic properties. It is used widely in rotors of actuator motors due to its magnetic property. Surface Roughness is one of the prominent factors that need to be optimised in this high precision work. The present work is aimed at characterizing the electric discharge machining of AISI 420 stainless steel. Taguchi’s L9 orthogonal array was chosen to conduct the experiments by varying EDM parameters like current, pulse on time and pulse off time. The surface roughness and Material removal rate are taken as the output responses. Signal to noise ratio and ANOVA is used to analyze the effect of parameters on surface roughness and also to identify the optimum machining parameters.
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Orthogonal array, Electric discharge machining, Surface roughness, Material removal rate.