CNC 선삭 가공에서의 SM45C 절삭특성에 관한 연구

In this study the surface roughness characteristics of SM45C were investigated according to cutting conditions. The surface characteristics of rod surface are usually investigated at various cutting conditions such as cutting speed feed rate cutting depth of workpiece. Experiments were conducted in a CNC lathe and the surface roughness of workpiece for dry and wet cutting were estimated. Machining was performed with revolutions per minute of 3200 rpm, cutting depth of 0.8,0.9,1,0 and 1.1 mm, and feed rate of 0.15,0.2,0.22,and 0.25mm/rev and Tip brake of SH, SA, and C type, Tip cutting angle 80°and 60° respectively. As a method of evaluation, piston rod was measured for each cutting.