Description
Year 1985, 1986, 1993
Brand
MANNESMANN DEMAG
Qty. 1 Second-hand skin pass mill
Mfc.
Mannesmann Demag Sack Built
Type
Duo Cold Rolling Mill – Non-Rev. Dia. 330 x 500 mm
Material
Carbon steel, cold rolled and annealed
Strip width
80 - 470 mm Thickness entry
Decoiler Modernised in 1986
ID
400 with segments 500 & 600 mm Spreading range
Strip tension
1300 – 65 daN Braking system
Braking torque
max. 1300 daNm De-coiling speed
Coil cross section
20 – 1880 mm² Coil weight per mm strip width max.
Coil weight 5.0 T Coil ID
Roll dia.
300 – 330 mm Roll length
Roll force
1850 – 2400 kN Min. roll force
Hydraulic roll adjustment Adjustment stroke 80 mm
Adjustment speed
1 – 3 mm/sec. Rolling speed
PLC system Siemens
Coiler
Coil ID
400 mm with segments
Strip tension range I
2500 – 25000 N Motor power
Strip tension range II
500 – 2500 N Motor power
Gear ratio
i = 14.66 Lubrication
Decoiler Modernised in 1986
ID
400 with segments 500 & 600 mm Spreading range
Strip tension
1300 – 65 daN Braking system
Braking torque
max. 1300 daNm De-coiling speed
Generator power
2 x 16 kW Motors in parallel arrengement
1 Motor can be decoupled by gear shifting
Generator revolution
0-405/2025 Transverse displacement
Modernisation in 1993
Hydraulic roll adjusting device
Adjustment by position and roll force-controlled hydraulic cylinder arranged on the stands.
Control via fast acting servo valves.
Strip thickness control
Consist of the electrical cubicle (1600 x 1600 x 600 mm) with all necessary supply units provided
for the following types of control
Position control Roll pressure regulation Return regulation (analog/digital)
Degree of skin pass measurement Degree of skin pass regulation
Qty. 2 Positioners Qty. 2 hydraulic-electric converters for measuring the rolling force
1 Exit guiding system (left side of the rolling mill)
The exit guide is equipped with the following devices
Base support with table top and places for tape thickness measuring device, tape greasing roller
and skin pass level measuring device, hydraulically adjustable folding table, hydraulically
operated crop shear with angled cut upper knife, loose deflection roll, bearing of the deflection
roll intended to accommodate a strip tension measuring device.
1 Oscillating cleaning device of the top roll
1 Oscillating cleaning device of the bottom roll Coiling station
Please note that this description may have been translated automatically. Contact us for further information. The information of this classified ad are only indicative. We recommend to check the details with the seller before a purchase