... friction clutch 2,Imported hydraulic overload protection device 3,Eight-side long rectangle guides Features: 1,Steel-welded and closed- ... , to ensure reliable safely and flexible action. 3, Eight-side long rectangle guides of the slide in high moving precision ... to the press. 5, Motorized die height adjustment. 6, Automatic oil lubrication system, to ensure smooth operation. 7, Photoelectric protector ...