That is, lathe processing and lathe machining are part of machining. Lathe machining mainly uses a turning tool to rotate the workpiece. Lathes, reamers, reamers, taps, dies and knurling tools can also be used for lathe machining. Lathes are mainly used to machine shafts, discs, sleeves and other workpieces with rotating surfaces. They are the most widely used type of machine in machinery manufacturing and repair factories.