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Year 2009
Title Investigation of Optimal Parametric Combination for Minimum Cutting Force in Turning: Response Surface Methodology Approach
Authors Ashok Kumar Sahoo , Arun Kumar Rout
Broad area Production Engineering
 This paper presents results of experiments towards investigating the influence of cutting conditions on cutting force during turning of low carbon steel. In this study, the 3k factorial design of experiment and response surface methodology, a powerful tool, is used to optimize the process parameters for effective turning. Analysis of variance (ANOVA) is employed to investigate the relative influence of cutting speed,
feed and depth of cut on the cutting force & feed force respectively. The main effect plot of cutting speed, feed & depth of cut and interaction plot for feed & depth of cut on cutting force are analyzed through various graphical representations. It is observed that feed (P = 74.4%) is the most significant variable affecting cutting force followed by depth of cut (P = 15.9%) and cutting speed (P = 5%). The interaction of
feed and depth of cut is the next significant factor influencing on the cutting force and other interaction of vxf and vxt are neglected being very small. The optimal parametric combination for minimum cutting force is as follows: Cutting speed at level +1 i.e 45m/min, Feed at level -1 i.e 0.05mm/rev and depth of cut at level -1 i.e 0.4mm respectively. RSM model proposed is adequate and there is no reason to suspect any violation of the independence or constant variance assumption.
File 1824158576_aks-anova.pdf
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