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4-high Reversing Cold Mill
See larger image: 4-high Reversing Cold Mill
Product Details
Back-up roll transmission with rigid frame, special bearing and screw down worm gear with secondary enveloping surface.
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.
Technical Data:
| Max. press | 3000KN | Mode of transmission | Backing-roll transmission |
| Entry size | 2.5×380(mm) | Final size | 0.2×380(mm) |
| Cross section of frame | 250×300(mm) | Window size | 550×1680mm |
| Size of working roll | Φ120(140)×450(mm) needle roller bearing | Size of backing roll | Φ450x450(mm)FCD bearing |
| Main motor | Z4 | Motor for screw down gear | YZ211Kw |
| Rolling speed | 100m/min for special steel and 180 m/min for common straight carbon steel | Speed of screw Dow gear | 0.058mm/s |
| Gear reducer | ZLY | Worm gear for screw down | A=315 |
| Double helical spur gear | A:690; Mn=12 | Weight of main frame | Approx.31.5 t |
| Recoiler(alternative) | Hydraulic or solid | dimension | 4980×2400×3000 |
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Back-up roll transmission with rigid frame, special bearing and screw down worm gear with secondary enveloping surface.
Back-up roll transmission with rigid frame, special bearing and screw down worm gear with secondary enveloping surface.
with the feature of big power and cost saving.
The products are featured with advanced control, high-speed, smooth transmission and high-precision.
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