Experimental study of the influence of swing grinding parameters on machining surface quality of large-width cam

Abstract

Large-width Cam has been widely used in high-power marine diesel engines, due to its well strength, wear-resisting, and service life. Unlike the traditional cam, the large-width Cam must be ground by swing grinding process to avoid grinding defects caused by high machining temperature. As the in uence of swing grinding parameters on machining surface quality has not been clearly clari ed, experimental study was discussed in the paper. The orthogonal experiment was designed and based on which the residual stress, surface roughness and hardness were analyzed. The results showed that, the grinding depth and the cam speed, have a relatively great in uence on the residual stress compared with grinding wheel swing frequency and swing amplitude. The grinding wheel frequency has the greatest in uence on the hardness of the cam surface and the increment of it will increase the hardness of the Cam.