A Study Of Effects Of Machining Parameters On Surface Roughness In End Milling

Nor Kamariah , Mohamad Khalid (2010) A Study Of Effects Of Machining Parameters On Surface Roughness In End Milling. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Milling is one of the fundamental forms of machining operation among several industrial machining processes. End milling, one of the milling operation is the most common metal removal operation and widely used in a variety of manufacturing industries including the aerospace and automotive sectors. Both sectors are stressed most on the quality of the surface finish. Thus, the main objective of this study is to develop a better understanding of the effects of machining parameters on the surface roughness in end milling. Machining parameters involved in this study are cutting speed, feed rates and depth of cut. The material used to test the surface roughness is mild steel 1020. Machining test was performed under dry cutting condition. Full factorial of experiment design was applied in order to determine the test run for the experiment and it also used to analyze the data obtained. The result showed feed rate gave most significant effect on the surface roughness. The optimum values of parameters could be set up at high level cutting speed, low level feed rate and low level depth of cut to produce a good surface finish.

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