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Experimental Study of Machining Characteristics of C 45 Steel using Electro Discharge Machining

Author : Mohit Kumar, Daljinder Singh and Gagandeep Singh Dhindsa

Pages : 31-36
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Electrical Discharge Machining (EDM) is extensively used in machining of conductive materials producing intricate shapes with high accuracy. This study exhibits that EDM process parameters have a great role to obtain better material removal rate (MRR) and surface roughness (Ra). Study was conducted to investigate the effect of parameters and to optimize the parameters for the machining of C45. C-45 is a very hard material, so it is very difficult to machine these type of hard alloys by conventional machining processes. Instead of conventional machining, EDM process or non-traditional machining processes are the best machining process for the machining of hard alloys. The input parameters for the study were pulse on time, pulse current and gap voltage. The experiments were designed with the help of L9 orthogonal array. Signal to noise ratio (S/N) and analysis of variance (ANOVA) were used to analyze the effect of the parameters on MRR and SR. From the study, it has been observed that flushing pressure is significant parameter for MRR and gap voltage has a greater significance on the SR of C45.

Keywords: EDM, C45, ANOVA etc.

Article published in International Journal of Current Engineering and Technology, Vol.6, No.1 (Feb-2016)


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