INFLUENCE OF CUTTING PARAMETERS ON SURFACE ROUGHNESS OF WORKPIECE WHEN CUTTING SKD61 STEEL USING CNC MILLING MACHINE

Abstract

In this paper, experimental process had done to get influence of cutting parameters on surface roughness of workpiece when cutting SKD61 steel using CNC milling machine. Two parameters of cutting parameters include speed of tool and feed rate. Using Minitab 18 software to analyse results of experiment based on central composite design matrix including 13 runs. The result is the influence of speed of tool, feed rate and interaction between them are more complex. Influence of speed of tool is larger than feed rate. Finally, suggestions for further research are given.