The basic structure and function of machine tools
4, tool holder, knife library; control and control system; lubrication system; cooling system.
3, feed mechanism, used to change the feed; spindle box to install the machine tool spindle;
2, variable speed mechanism, used to change the speed of the main movement;
1, supporting parts for the installation and support of other parts and workpieces, to withstand its weight and cutting force, such as bed and pillars;