Study On The Effect Of EDM Die Sinking Parameters On The Surface Finish Of Mild Steel

Mohd Hafiz Fahmi, Abdol Sukor (2015) Study On The Effect Of EDM Die Sinking Parameters On The Surface Finish Of Mild Steel. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Die sinking electrical discharge machining EDM is one of the earliest non-traditional machining processes and has a capability in producing high precision parts. An inappropriate EDM die sinking machining parameter will affects the quality of the surface roughness parts because the spark gap between work piece and electrode are lower. Therefore, this research was conducted to investigate the effect of EDM die sinking machining parameters on surface roughness of mild steel material. The spark gap and peak current were manipulated to find the best combination of EDM machining parameters. The machine surfaced will analysed using surface roughness test and the image of textured are captured by using microscope. At the end of this experiment, it is shown that spark gap and peak current have the maximum influence on surface roughness. When the spark gap was increased, the value of surface roughness decreased which give finer surface structure, and when peak current increase, the value of surface roughness, will be higher and produce the rough surface finish.

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