Implementation of Taguchi Methodology for Defect Reduction in Manufacturing Industry `A Case Study`

Quality improvement technique, especially Taguchi methodology is used for designing the experiments to investigate the effects of different parameters on the mean and variance of process performance characteristics.In this paper, the Taguchi methodology is used for the rejection control of flexible hose assembly in an automobile industry.An attempt is made to correlate the effect of process parameters on the final product.Experiments are carried out to validate the results, obtained by the implementation of Taguchi methodology in automotive process industry and the most important parameters, affecting the product life is found out.The optimal levels of the process parameters in order to yield the optimum quality characteristics of the products are obtained.An orthogonal array, the signal to noise (S/N) ratio, and analysis of variance (ANOVA) are used to analyze the effect of selected process parameters and their levels.The results