ABSTRACT
Quality of the product is totally dependent upon the selection of optimum process parameters. One of the major challenging task is to optimize various process parameters like depth of cut, cutting speed and feed rate so that all the quality requirements can be achieved simultaneously. This paper analysis the effect of various cutting parameters like depth of cut, cutting speed and feed rate on surface roughness and tool wear of AISI H13 Steel during CNC turning under dry and wet conditions. Taguchi method with MINITAB software is used to reduce the number of experiments but to get best possible results. The results indicate that response variables i.e. surface roughness and tool wear are influenced mainly by depth of cut while the effect of feed rate and cutting speed is less. Also more optimum results are obtained in wet conditions of turning rather than dry conditions. Finally, the domain for most optimum process parameters to obtain minimum surface roughness and tool wear is proposed taking into consideration dry and wet conditions.