Machine tool classification
3, high-precision machine tools: including coordinate boring machine, gear grinder, thread grinder, high-precision hobbing machine, high-precision sewing machine and other high-precision machine tools;
2, precision machine tools: including grinder, gear machine tools, threading machine tools and other precision machine tools;
General machine tools: including ordinary lathes, drilling, boring machine, milling machine, planing, etc.
5, according to the size of the workpiece and machine weight can be divided into instrumentation machine tools, small and medium-sized machine tools, large machine tools, heavy machine tools and super heavy machine;
