] uses and characteristics: CH-80X-3 sub type hydraulic punching machine is developed in recent years for 8-14, channel, angle steel and other metal materials hydraulic punching tool. Mainly used in electric power, transportation, steel structure, large steel mills, bridges, heavy industries, shipbuilding and other industries. 1 punching speed, accurate positioning. No dry sound, no broken chip, safe and clean operation. 2 easy to carry, suitable for field work or fixed in the factory for mass production. 3 double oil return, oil return speed. The body uses 45 steel wire cutting, the quenching heat treatment, not easy deformation and fracture. Die using Cr12 steel after heat treatment, stamping, long life. 4 can produce all kinds of shapes of punching die. The random distribution of mold accessories: Phi 10.5, Phi 13.8, Phi 17.5, Phi 20.5 pay four. The rest of the mold need to be customized. The output: 45T. The maximum punching thickness: Steel: 12mm. The deep throat: 70mm. - weight: 40kg. The distribution pump: double loop electric hydraulic pump or gasoline pump. The packing: wooden box.