Description:

COLD ROLLING MILL MINO/SUNDWIG

Cold Rolling Mill
Mfc.: MINO/SUNDWIG
Type: 4-HI
Built: 1980
Revamped: 2001 / 2016
In 2001: New automation and drives
Mfc.: EAA Gauge Control – Psysteme
In 2016: New mandrel (left) – more collapsible ID 485 mm
Rolled material: Carbon steel SAE1006, S235-S550, C45-C75, IF
Strip width max.: 600 mm
Thickness: in 6.0 mm out 0.25 – 5.0 mm
Speed max.: 500 m/min
Coil size: ID 508 mm OD 2000 mm
Back-up roll dia.: 590 mm - 625 mm
Work roll dia.: 190 mm - 240 mm
Motors stands: DC, EAA converters (installed 2001),
Main drive 2 DC Motors 350 kW each L
eft reversing reel 2 DC motors 180 kW each
Right reversing reel 2 DC motors 165 kW each
Rolling force: 500 Tons
Max. tension rate: 60 kN
Coolant Emulsion Filtration by magnetic system
Controls
PLC system: SIEMENS
Scada: Simplicity
Thickness control: Entry stand hydraulic equipped with Automatic Gap Control (AGC)
Thickness control: Exit stand
Utilities: Electrical voltage: 380 V, 3 Phase, 50 Hz
Air pressure: 5 Bar Cooling water
No. of work rolls: 120 used + 8 brand new No. of back-up rolls: 8
Electric Drawings Mechanical Drawings Certification: Allegato V/81