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Comparative Analysis of Magneto Rheological Fluid Assisted Electrical Discharge Machining at Stationary and Rotating Conditions of Tool

Department of Mechanical Engineering, YMCA University of Science and Technology, NH-2, Sector 6, Mathura Road, Opp. Sanjay Memorial Industrial Estate, Faridabad, Haryana 121006, India

E-mail Address: erlokup@gmail.com

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M. L. Aggarwal

Department of Mechanical Engineering, YMCA University of Science and Technology, NH-2, Sector 6, Mathura Road, Opp. Sanjay Memorial Industrial Estate, Faridabad, Haryana 121006, India

E-mail Address: aggarwalmlal@rediffmail.com

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Pulak M. Pandey

Department of Mechanical Engineering, Indian Institute of Technology, Hauz Khas, New Delhi, Delhi 110016, India

E-mail Address: pmpandey@mech.iitd.ac.in

Corresponding author.

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https://doi.org/10.1142/S0219686718500178Cited by:1 (Source: Crossref)

Abstract

A lot of research has been done to improve electric discharge machining (EDM) process to overcome the difficulties of lower material removal and surface finish. In the current study, magneto rheological (MR) fluid was used in place of conventional dielectric to develop a new variant of EDM process. A comparative study of MR fluid assisted EDM at the stationary and rotary conditions of the tool with M2 grade high-speed steel as workpiece has been presented. Investigations have been done to evaluate the effect of various process parameters such as percentage volume Al₂O₃, pulse on time, duty cycle and discharge current on material removal rate and surface roughness with surface morphology. Higher material removal rate and lower surface finish was obtained in rotary magneto rheological fluid assisted EDM as compared to magneto rheological fluid assisted EDM without rotation under the same processing condition at optimum process parameters.

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