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A Study on Modelling Surface Finish in Electrical Discharge Machining Tablet Shape Punches Using Response Surface Methodology
Journal of Environmental Science and Engineering B
This paper introduces a study on modelling surface finish in EDM (Electrical Discharge Machining) of tablet shape punches when using copper as electrode material. In this study, 27 experiments were performed based on BBD (Box-Behnken Design) and the work-piece material was 9CrSi steel. The input process parameters were the current, the pulse on time, the pulse off time and the voltage. The effects of the input parameters on the surface finish were evaluated by analysing variance. Besides, fromdoi:10.17265/2162-5263/2017.07.006 fatcat:jb5b63ntyvgddliupnz4jkfem4