Multi-response Optimization in Dry Turning Process Using Taguchi's Approach and Utility Concept

Abstract Taguchi's technique is used for optimizing the process parameters of a single response problem. A single setting of process parameters may be optimal for single quality characteristic but the same settings may yield detrimental results for other quality features. Under such circumstances, multi-characteristics response optimization may be the solution to optimize multi-responses simultaneously. In this case study, a multi-characteristics response optimization based on Taguchi's design of approach and utility concept is used to optimize multiple performance characteristics, namely, axial force, radial force, main cutting force and material removal rate (MRR) during dry turning of EN-47 steel. Taguchi's L-18 orthogonal array is selected for the experiment. The optimal values obtained using the multi-characteristics optimization model have been validated by confirmation experiments.

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