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Achenbach 4HI SINGLE STAND ACHENBACH COLD ROLLING MILL

Ref : 2029727-3-MT
Condition : Used
Manufacturer : Achenbach
Model : 4HI SINGLE STAND ACHENBACH COLD ROLLING MILL
Year(s) : 1975
Quantity : 1
Location : Seller or machines location:
ASIA (South)
Last check : 03 Jan. 2020

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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