120(140)/450/450 4-high Reversing Cold Mill

Φ120(Φ140)/Φ450×4504-highReversingColdMill Description 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. Back-up roll transmission with rigid frame, special bearing and screw down worm gear with secondary enveloping surface. Structure 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 Technical Data Max. press3000KNMode of transmissionBacking-roll transmissionEntry size2.5×380Final size0.2×380Cross section of frame250×300Window size550×1680Size of working rollΦ120(140)×450 needle roller bearingSize of backing rollΦ450x450 FCD bearingMain motorZ4Motor for screw down gearYZ211KwRolling speed100m/min for special steel and 180 m/min for common straight carbon steelSpeed of screw Dow gear0.058mm/sGear reducerZLYWorm gear for screw downA=315Double helical spur gearA:690; Mn=12Weight of main frameApprox.31.5 tRecoiler(alternative)Hydraulic or soliddimension4980×2400×3000