Multi Response Optimization of Machining Parameters in Spur Gear Hobbing process by using Taguchi based GRA

Abstract

Gear hobbing is one of the major manufacturing processes in the industry. Hobbing is a continuous gear generation process widely used in the industry for high or low volume production of external cylindrical gears. Optimization is one of the techniques used in manufacturing sectors to arrive at the best manufacturing conditions. This is an essential need for industries for manufacturing of quality products at lower cost. This project focuses on improving the productivity & quality of gear hobbing Experiments are performed as per L27 orthogonal array on EN8 work piece & M35 hob. Modern engineering practices are demanding higher & higher accuracies along with productivity. Taguchi method is used for selecting the design of experiments and Grey Relational Analysis is used to optimize the performance characteristics like Material Removal Rate & Surface Roughness.