Abstract
Present scenario of industries is to lower the production cost, time and increase the profit. For high quality production of components, hard turning is suitable process as it is having numerous advantages. It requires low cost and time, flexibility in production, improved surface finish and material removal rate (MRR). Due to its advantages, it becomes essential as grinding process. This process can be applied when the hardness of the material is above 45 HRC. The characteristics required with the machine for hard turning are hard cutting tools availability, required tool geometry, capacity of tool holding and required power supply. Surface roughness and MRR are the most important factors which are essentially considered during machining process evaluation point of view. In this proposed experimental work, the detailed study of the analysis of surface roughness and MRR during turning of oil hardened non shrinkable (OHNS) steel is to be done. For the good quality of surface finish and higher material removal rate in the industry to earn more profit, it is essential to do the optimization of the process. In this research work, the input parameters of the CNC machining of OHNS steel are optimized. The selected input parameters are spindle speed, feed rate. The output parameters are surface finish and MRR. The experiments were performed as per the Taguchi DOE and the results were analyzed. The significance of each parameter is analyzed in ANOVA and the parameters were optimized with validating the experimentation as per the regression model.
Published Version
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