Machining machine equipment in general classification
(3) high-precision machine tools: including coordinate boring machine, gear grinder, thread grinder, high-precision hobbing machine, high-precision cutting machine and other high-precision machine tools.
(2) precision machine tools: including grinder, gear machine tools, threading machine tools and other precision machine tools.
(1) ordinary machine tools: including ordinary lathes, drilling, boring machine, milling machine, planing and so on.
Standard, general machine tools, generally available in the relevant national standards Model: