The material rotates on a spindle. A grinding or carving tool would make the shape mainly because it turns. CNC Lathes are used to generate symmetrical objects like spheres, cones, or cylinders. Lots of CNC machines are multi-perform and Blend all types of cutting. The illustrations ended up pretty interesting, https://dmg-mori-machines12345.59bloggers.com/40068742/5-simple-statements-about-cutting-machines-explained