1. The frame is made of high strength cast iron and high-precision integrated gantry structure, which prevents the opening problem of the fuselage under load, and realizes the processing of high-precision products;
2. Double axis center guide, four guide pillars guide the whole length, so even eccentric load can maintain excellent stamping accuracy and prolong the life of punch;
3. The forced lubrication and oil supply system of oil cooler are used to minimize the...