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    OPTIMIZATION OF THE PROCESS PARAMETERS FOR SURFACE ROUGHNESS AND TOOL LIFE IN FACE MILLING USING THE TAGUCHI ANALYSIS
    (Inst Za Kovinske Materiale I In Tehnologie, 2015) Sarikaya, Murat; Dilipak, Hakan; Gezgin, Akin
    In this study, the Taguchi method, which is a powerful tool to design quality optimization, is used to find the optimum surface roughness and tool life in milling operations. An orthogonal array, a signal-to-noise (S/N) ratio, and an analysis of variance (ANOVA) are employed to investigate the tool life and the surface-roughness characteristics of AISI D3 steel. Accordingly, the lowest surface roughness and the highest tool life were estimated to be 0.436 mu m and 434.1 s, respectively and, finally, the Taguchi method allowed the optimization of the system for the verification of the tests. Further, ANOVA analysis was revealed that the number of cutter insert was the most important parameter influencing the surface roughness with a 75.27 %, and cutting speed was the most important parameter influencing the tool life with a 95 %.