The material rotates on the spindle. A grinding or carving tool tends to make the shape as it turns. CNC Lathes are used to make symmetrical objects like spheres, cones, or cylinders. Lots of CNC machines are multi-purpose and Merge all kinds of cutting. Milling CNC machines can be found https://precision-cnc-for-sale89001.creacionblog.com/38530238/industrial-manipulators-secrets