Optimization of process parameters in pocket milling of SAE304 based on tool path strategies using Taguchi method

Abstract

Surface roughness is the most significant factor in manufacturing industry to accept most of the machined components. In modern manufacturing CNC milling is one of the most commonly used machining process for different components. Pocket milling is building importance in plastic molding, Ship building and aircraft manufacturing. The surface finish is attained by finishing operations in most of the cases, which causes increase in production cost and time. This can be overcome by selecting the optimal process parameters in the machining process. Including other parameters, the Pocket milling has different tool path strategies, which influence the surface finish of the components. In the present study an attempt is made to minimize the surface roughness by optimizing speed, feed and Step over in milling of SAE304 with one linear and one non-linear tool path strategies by using Taguchi method. ANOVA is also applied to find the most influencing factor.