Some problems that may occur when did programming and processing of CNC lathe cutting parts were analyzed in this paper. Through process analysis of typical CNC lathe cutting bearing parts, a detailed processing was worked out, and the programming and processing of typical CNC lathe cutting bearing parts were done. Taking the typical parts for example, a complete analysis of the whole process of lathe cutting bearing parts has indicated a relatively clear direction for the beginners. It also helps the beginners to enhance their abilities to master CNC lathe c...