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South African Journal of Industrial Engineering

versão On-line ISSN 2224-7890
versão impressa ISSN 1012-277X


KUMAR, K. Senthil; SENTHILKUMAAR, J.S.  e  SRINIVASAN, A.. Reducing surface roughness by optimising the turning parameters. S. Afr. J. Ind. Eng. [online]. 2013, vol.24, n.2, pp.78-87. ISSN 2224-7890.

Modern manufacturers worldwide look for the cheapest quality-manufactured machined components to compete in the market. Good surface quality is desired for the proper functioning of the parts produced. The surface quality is influenced by the cutting speed, feed rate, depth of cut, and many other parameters. In this paper, the Taguchi method - a powerful tool to design optimisation for quality - is used to find the optimal machining parameters for the turning operation. An orthogonal array, the signal-to-noise (S/N) ratio, and the analysis of variance (ANOVA) are employed to investigate the machining characteristics of super duplex stainless steel bars using uncoated carbide cutting tools. The effect of machining parameters on surface roughness was discovered. Confirmation tests were conducted at optimal conditions to compare the experimental results with the predicted values.

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