Article : Analysis Of Influence Of Turning Process Parameters On MRR & Surface Roughness Of AA7075 Using Taguchi’s Method And RSM

Title

Analysis Of Influence Of Turning Process Parameters On MRR & Surface Roughness Of AA7075 Using Taguchi’s Method And RSM

Author

S.V.Alagarsamy, N.Rajakumar

The study aims at analysis of cutting parameters in CNC machine of Aluminium Alloy 7075. In the present paper, an effective approach for the optimization of turning parameters based on the Taguchi’s method with Response surface methodology (RSM) is presented. This paper discusses the use of Taguchi’s technique for minimizing required surface roughness and maximizing the material removal rate in machining Aluminium Alloy 7075 using TNMG 115 100 tungsten carbide tool. Experiments were conducted based on the established Taguchi’s technique L27orthogonal array and Minitab-16 statistical software is used to generate the array. Three machining parameters are chosen as process parameters: Cutting Speed, Feed rate and Depth of Cut. The orthogonal array, signal to noise ratio and analysis of variance are employed to study the performance characteristics in CNC turning operation. Optimal values of process parameters for desired performance characteristics are obtained by Taguchi design of experiment. A second order mathematical model in terms of cutting parameters is also developed using response surface model.

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