International Journal of Applied Science and Engineering
Published by Chaoyang University of Technology

Kuldeep Ojha a,1, R. K. Garg a, K. K. Singh b

a Department of Industrial and Production Engineering, Dr B. R. Ambedkar National Institute of Technology, Jalandhar-144011, Punjab, India
b Department of Mechanical Engineering & Mining Machinery Engineering, Indian School of Mines (ISM), Dhanbad-826004, Jharkhand, India

 

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ABSTRACT

In this article, a material removal rate (MRR) and tool wear rate (TWR) study on the powder mixed electrical discharge machining (PMEDM) of EN-8 steel has been carried out. Response surface methodology (RSM) has been used to plan and analyze the experiments. Peak current, pulse on time, diameter of electrode and concentration of chromium powder added into dielectric fluid of EDM were chosen as process parameters to study the PMEDM performance in terms of MRR and TWR. Experiments have been performed on newly designed experimental setup developed in laboratory. Most important parameters affecting selected performance measures have been identified and optimum process conditions have been found. Also recommended optimal conditions have been verified by conducting confirmation experiments.


Keywords: EDM; PMEDM; RSM; MRR; TWR.


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ARTICLE INFORMATION



Accepted: 2010-03-21
Available Online: 2011-06-01


Cite this article:

Ojha, K., Garg, R.K., Singh, K.K. 2011. Experimental investigation and modeling of PMEDM process with chromium powder suspended dielectric. International Journal of Applied Science and Engineering, 9, 65–81. https://doi.org/10.6703/IJASE.2011.9(2).65

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