OPTIMIZATION OF SURFACE ROUGHNESS OF EN-40 IN WIRE-EDM

Syed Asghar Husain Rizvi, Bhanu Pratap Singh, Mohd. Ziaulhaq

Abstract: Wire-EDM is used to machine and cut hard conductive metals that are difficult to cut using conventional methods. The machine is also specialized in cutting complex contours that would be difficult to be produced by using conventional cutting methods. WireEDM is a type of non-contact non-conventional machining process that produces high quality products, which are difficult to get by the use of conventional machining processes. This study on Wire EDM with EN-40 as work material and brass wire as tool is done to analyze the influence of process parameters on surface quality. The experimental results concluded that the surface roughness is majorly influenced by the peak current. Pulse on duration was least influencing parameter for surface roughness. Voltage is the second most dominating parameter for surface roughness. It was also observed that larger craters were obtained at higher current

Keywords: Wire-EDM, Surface Roughness, EN-40.

DOI: https://doi.org/10.15623/ijret.2016.0518011