The evaluation of machinability and surface roughness in conventional milling machine

Ng, , Wei Tat (2013) The evaluation of machinability and surface roughness in conventional milling machine. Project Report. UTeM, Melaka. (Submitted)

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Abstract

Nowadays, surface finish plays as an important role in manufacturing industries. To produce good quality of surface finish, optimized machining parameter is very important for different types of material. The purposes of this research are to analysis the machinability and surface finish of different types of material with high speed steel cutting tool using conventional milling machine and study the effect of machining parameter on quality of surface finish of different types of material. In addition, the materials have been used in this research are aluminum, stainless steel and brass. The machining parameters have been chosen are feed rate and spindle speed. While for the cutting tool in this research is high speed steel end mill. After milling process and surface roughness test have been conducted, the result of each test specimen will be compared and find the optimized machining parameter of each types of material by analyzing the value of surface roughness. Relationship between surface roughness and machining parameter such as spindle speed and feed rate is shown in graphs. Furthermore, value of surface roughness is important in evaluating the ease of machinability of each types of material. The results of this research are able to help manufacturing industry to reduce production cost and time.

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