Analysis of energy distribution during electric discharge machining of tungsten carbide

Authors: Khatter, C. P.¹; Pandey, O. P.²

Source: Tribology - Materials, Surfaces & Interfaces, Volume 3, Number 1, March 2009 , pp. 2-15(14)

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Abstract:

During electrical discharge machining (EDM) process, electrical energy is used for the machining of the components. Energy distribution in electrical discharge machining process is the distribution of input energy supplied during machining to various components. In order to improve the technological performance during EDM process, it is essential to understand the distribution of input energy in the entire system. An experimental study on the effect of EDM energy distribution parameter for tungsten carbide is presented. The copper tungsten electrode has been used for the study. Experiments have been performed in specially designed dielectric insulated tank. To minimise the energy wastage, workpiece as well as the electrode was covered with Teflon. Current and pulse duration have been selected as variable parameters. The objective of this study is to analyse the amount of electrical energy used for machining effectively. The detail of this study has been presented in this paper.

Keywords: ENERGY DISTRIBUTION; MATERIAL REMOVAL RATE; TUNGSTEN CARBIDE; SURFACE FINISH; EDM

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/175158308X383198

Affiliations: 1: Central Institute of Hand Tools, Jalandhar 144 008, Ministry of MSME, India 2: School of Physics and Materials Science, Thapar University, Patiala 147004, India;, Email: oppandey@thapar.edu

Publication date: 2009-03-01

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