OPTIMIZATION OF TURNING PARAMETERS BASED ON SURFACE ROUGHNESS USING OPTIMIZATION TECHNIQUE

Mechanical Engineering

Surface roughness determines how a real object interacts with its environment. Rough surfaces usually wear more quickly and have high friction coefficient than smooth surfaces. Roughness is often a good predictor of the performance of mechanical components, since irregularities in the surface may form nucleation sites for cracks or corrosion. In this work attention is given to investigate, the effect of cutting parameters mainly Feed, Depth of Cut, Tool nose radius on Surface Roughness by keeping cutting speed constant in CNC turning operation. The experiments were performed on SS304 Using Taguchi method. A three level, three Factor design of experiment prepared according to Taguchi orthogonal array L9 using Minitab 16 software. The Analysis of Variance (ANOVA) and Signal to Noise (S/N) Ratio was carried to find out the most significant factor and percentage contribution of individual factor for Surface Roughness and Material Removal Rate. The all experiments were performed at dry condition. From result it is found that optimum level of cutting parameters for Surface Roughness are obtained at feed of 0.15 mm/rev, depth of cut of 0.2 mm, tool nose radius of 0.8 mm.

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