Abstract
The work and study presented in this paper aims to investigate the effect of rake angle on surface roughness in CNC turning of Aluminium (6061) with keeping other machining parameters such as cutting speed, feed rate and depth of cut as constant. Three positive rake angled tools selected to study and analyze the effect of cutting conditions on surface roughness. Design of experiments were conducted for the analysis of the influence of the turning parameters on the surface roughness by using Taguchi design and then followed by optimization of the results using Analysis of Variance to find minimum surface roughness. It was observed that the surface roughness decreases with increase in rake angle.
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