4-high Reversing Cold Mill

Two types: revering and non-reversing, suitable for secondary rolling and finish rolling of common straight carbon steel, alloy steel stainless steel, copper and aluminum strips. It is composed of main motor, gear reducer, double helical spur gear, universally-jointed axle, support, working seat, power screw down gear, left and right draw-works, hydraulic station and DC electric control. Material of backing roll: 9Cr2Mo. A roll exchange device is equipped with the bearing seat for exchange the roll easily. Technical Data: Max. press4000KNMode of transmissionWorking roll transmissionEntry size2.75×420mmFinal size0.3×450mmCross section of frame300×350mmWindow size600×1800mmSize of working rollΦ140×500mm needle roller bearingSize of backing rollΦ500×550mm FCD bearingMain motorZ4Motor for screw down gear15KWRolling speed100m/min for special steel and 180 m/min for common straight carbon steelSpeed of screw Dow gear0.06mm/sGear reducerZLYWorm gear for screw downA=360Double helical spur gearA=780;Mn:12;Weight of main frameSWC265Recoiler(alternative)Hydraulic or soliddimension5430×2950×3500