(BQ) Electrical Discharge Machining (EDM) is a non-traditional, thermo electrical process, which erodes material from the work piece by a series of discrete sparks between the work and tool electrode immersed in a liquid dielectric medium. | Available online at Procedia Engineering 38 (2012) 1030 – 1036 Open access under CC BY-NC-ND license. 1877-7058 © 2012 Published by Elsevier Ltd. Open access under CC BY-NC-ND license. doi: T. Rajmohan et al. / Procedia Engineering 38 (2012) 1030 – 1036 1031 1032 T. Rajmohan et al. / Procedia Engineering 38 (2012) 1030 – 1036 T. Rajmohan et al. / Procedia Engineering 38 (2012) 1030 – 1036 1033 1034 T. Rajmohan et al. / Procedia Engineering 38 (2012) 1030 – .