Skin Pass Mill 1320
Mill data:
Strip width: 500mm - 1320mm
Strip thickness: 0.2mm - 4.0mm
Coil dimensions: 610mm - 2160mm
Max. coil weight: 26t
Gear ratio of winder drives: i1 = 3,99 ; i2 = 2,05
Max. rolling speed: 190/370m/min (in acc. with gear ratio)
Max. strip tension: 200/100kN (in acc. with gear ratio)

Max. rolling force: 12000kN
Screw down cylinder stroke: 150mm
Work roll diameter: 720mm - 780mm
Barrel length of WR: 1440mm

Main drive system:
De-coiler motor:
DC double motor
P = 2x 346kW
n = 0 - 119/423min-1

Converter transformers for de-coiler:
S = 2337kVA
U = 5000V/385V

Mill stand motor:
DC motor
P = 880kW
n = 0 - 61/151 min-1
Converter transformers for mill stand:
S = 1367kVA
U = 5000V/770V

General power supply:
Transformer:
S = 1250kVA
U = 5000V/500V
Control voltage: U = 60/24V DC

Automation:
HMI: PRODAVIS, Firma LUX (SMS Siemag)
PLC systems: Siemens S7, FM458 Siemens, Schneider Quantum, AEG A250
Converter main motor: Volta

Revamps and major maintenance activities:
2003/2004 Installation of a cleaning system for upper and lower work rolls
2006/2007 Revamp of all main drives
2010 Modernization of rolling force control system

Other auxiliary equipment:
Exhaust system for the workroll cleaning system
Morgoil system
Low pressure hydraulic
High pressure hydraulic

This machine is listed for sale by National Machinery Exchange Inc located in Newark, New Jersey