The machines needed for machining mechanical parts are digital milling machine, grinder, lathe, EDM machine, grinder, CNC machining center, laser welding, medium wire, fast wire, slow wire, external grinder, internal grinder, precision lathe, etc., which can be used for turning, milling, planing and grinding of precision parts, This kind of machine is good at turning, milling, planing and grinding of precision parts, and can process various irregular shape parts with machining accuracy of 2 μ M.