The material rotates over a spindle. A grinding or carving tool can make the shape since it turns. CNC Lathes are used to generate symmetrical objects like spheres, cones, or cylinders. A lot of CNC machines are multi-operate and Mix every type of cutting. The examples have been pretty interesting, https://precisionandefficiencymac68990.blog-a-story.com/19889747/everything-about-fanuc-cnc-systems