Simple introduction of numerical control lathe machine All kinds of lathe machine usually consists of the following basic parts: supporting parts, speed change mechanism, spindle box, tool magazine, control system, lubrication system and cooling system. Supporting parts are used to install and support other components and workpieces,bearing weight and cutting force from bed and columns. Speed change mechanism is used to change speed of the main movement. Lathe machine accessories includes machine tools, loading device,industrial robot etc additional device,as well as chuck, jaw vice,rotary table,and indexing head accessories.