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Used 4HI Reversible Cold Rolling Mill



Manufacturer - Supplier

riot_control_equipment



Endless Riveted Chrome Leather Belt for Friction Screw Press
Endless Riveted Chrome Leather Belt for Friction Screw Press

4 HI 1 STAND ACHENBACH COLD ROLLING MILL [87004]
YEAR: 1975

Back-up roll diameter (max/min): 864 / 800 mm
Work roll diameter (max/min): 360 / 320 mm
Back-up roll barrel length: 1625 mm
Work roll barrel length: 1676 mm
Dimensions of sleeves: 296 / 250 x 1626 mm
Coil weight: 3000 kg max
Coil O.D.: 1020 mm max
Width of rolled strip (min/max): 850 / 1450 mm
Thickness of rolled strip: 0.065 / 1.6 mm
Max speed of mill: 800 m/min
Roll positioning - mechanical: P = 2 x 13 kW n = 725 RPM
Roll gap regulation: hydraulic DGC (differential gage control)

Bearings on rolls
back-up rolls: 4-row roller bearings
work rolls: 2-row roller bearings

Lubrication of bearings on rolls: oil mist
Roll counterbalance: fluid-operated
Max thickness of strip cut on guillotine shear: 2.0 mm

Main drive : DC motor
P = 1000 kW
N = 236 / 70.7 RPM
M = 41.3 13.8 kNm

Pay off:
Conical with mechanical movement parallel to roll axis
Motor power: 180 360 kW
Tension: 1250 15000 N, 3750 45000 N

Winder:
Motor power: 180 360 kW
Tension: 1000 12000 N, 3000 35000 N
Transfer of coils: circular under the mill stand
Transfer of sleeves: by gravity under the mill stand

Roll cooling installation
Capacity of system: 200 dcm3/min
Oil pressure: 10 atm
Tank capacity: 40 m3
Oil filtration: plate type
Drive lubrication
Capacity of system: 160 dcm3/min
Tank capacity: 1600 dcm3
Oil pressure: 6 atm
Low pressure hydraulic installation
Working pressure: 35 atm
Hydraulic installation of circular transportation
Working pressure: 100 atm
High pressure hydraulic installation
Working pressure: Roll bending: 160 atm
Roll counter balance: 150 atm
DGC: 200 atm


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4HI SINGLE STAND ACHENBACH COLD ROLLING MILL 4HI SINGLE STAND ACHENBACH COLD ROLLING MILL 4HI SINGLE STAND ACHENBACH COLD ROLLING MILL 4HI SINGLE STAND ACHENBACH COLD ROLLING MILL 4HI SINGLE STAND ACHENBACH COLD ROLLING MILL 4HI SINGLE STAND ACHENBACH COLD ROLLING MILL 4HI SINGLE STAND ACHENBACH COLD ROLLING MILL 4HI SINGLE STAND ACHENBACH COLD ROLLING MILL
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