Abstract
Turning is a process of material removal from the external diameter of a rotating cylindrical work piece. It also referred as the process of machining that renders cylindrical parts. This article proposes an experimental investigation on turning process of EN8 steel as work piece at three distinct levels with various input process parameters like speed, cutting fluids and cutting depth with CNC lathe machine. Surface roughness is used as an output response parameter for determining the quality of turning operation. In addition, Taguchi approach, which is a powerful tool for optimizing the quality and output response of machining process with the consideration of parameter designing also employed for the optimization of process parameters for optimal machining operation. Experiments are conducted using L9 orthogonal array with three different levels of input process parameters and the analysis of test results is done using “smaller-the-better” standard for the signal-to-noise ratio (SNR). Finally, analysed, and confirmation test results obtained good enough surface finish.
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