... The main parts of the machine tool ( lathebed, base, workbench, beam, vertical slide rest, side tool box, feed box, main drive ... adopts high-precision double row cylindrical roller bearings centering.5.Beam: Beam clamps and loosens by a drift. The clamp is implemented ... The machine tool will offer oil automatically to lubricate the beam and the movement parts concentratedly at specified time.8.Machine ...