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Asian Journal of Scientific Research

Year: 2008 | Volume: 1 | Issue: 3 | Page No.: 256-264
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Authors

B. Sidda Reddy

G. Padmanabhan

K. Vijay Kumar Reddy

Keywords

Research Article

Surface Roughness Prediction Techniques for CNC Turning

B. Sidda Reddy, G. Padmanabhan and K. Vijay Kumar Reddy
This study deals with the development of a surface roughness prediction model for machining aluminum alloys using multiple regression and artificial neural networks. The experiments have been conducted using full factorial design in the design of experiments (DOE) on CNC turning machine with carbide cutting tool. A second order multiple regression model in terms of machining parameters has been developed for the prediction of surface roughness. The adequacy of the developed model is verified by using co-efficient of determination, analysis of variance (ANOVA), residual analysis and also the neural network model has been developed using multilayer perception back propagation algorithm using train data and tested using test data. To judge the efficiency and ability of the model to predict surface roughness values percentage deviation and average percentage deviation has been used. The experimental results show, artificial neural network model predicts with high accuracy compared with multiple regression model.
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