Taguchi Optimization Method for Surface Roughness and Material Removal Rate in Turning of Ti-6Al-4V ELI

Ibrahim, G. A.; Haron, C. H. Che; Ghani, J. A.; Arshad, H.
March 2010
International Review of Mechanical Engineering;Mar2010, Vol. 4 Issue 3, p216
Academic Journal
Taguchi method offers a simple and systematic approach to optimize performance, quality and cost in manufacturing process. Taguchi optimization methodology was applied to optimize cutting parameters in turning of Ti-6Al-4V ELI with coated and uncoated cemented carbide tools. The turning parameters evaluated were cutting speed, feed rate, depth of cut and tool grade, each at three levels. The results of analysis show that the feedrate and type of tool have the most significant effect on the surface roughness with contributions of 47.15% and 38.88% respectively. The optimal condition for the surface roughness was at cutting speed of 95 mm/min, feed rate of 0.15 mm/rev, depth of cut of 0.10 mm and using tool grade of KC9225. Whereas optimum material removal rate was obtained at cutting speed of 75 mm/min, feed rate of 0.25 mm/rev, depth of cut of 0.15 mm and using tool grade of K313.


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