1320mm SMS 4-HI COLD ROLLING MILL |
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Stock Code: |
112947 |
Price: | $RFQ |
Subcategory: | 4 - Hi Rolling Mills |
Manufacturer: |
Sms |
Condition: | Used |
Strip width: 800mm - 1320mm
Strip thickness: 0,4mm - 4mm
Coil dimensions: 610mm - 2160mm
Max. coil weight: 26t
Gear ratio of winder
drives: i1 = 25055; i2 = 1.5
Max. rolling speed: 240/400m/min (in acc. with gear ratio)
Max. strip tension: 240/140kN (in acc. with gear ratio)
Max. rolling force: 16,000kN
Screw down cylinder stroke: 150mm
Roll gap opening: 80mm
Work roll diameter: 320mm - 350mm
Barrel length of WR: 1650mm
Back-up roll diameter: 1180mm - 1260mm
Barrel length of back up roll: 1380mm
Main drive system
De-coiler motor:
DC double motor
P = 2x 550kW
n = 0 - 100/330min-1
Converter transformers for de-coiler:
S = 1520kVA
U = 5000V/782V
Mill stand motor:
DC-motor
(upper & lower twin drive)
P = 1000kW
n = 0 - 160/400 min-1
Converter transformers for mill stand:
S = 1750kVA
U = 5000V/782V
General power supply:
Transformer:
S = 1600kVA
U = 5000V/500V
Control voltage: U = 24V
Additional equipment:
Thickness measurement: contact, Fa. Vollmer
Flatness measurement: Measuring rolls and control, Fa. Sundwig
Automation:
HMI: PRODAVIS, Firma LUX (SMS Siemag)
PLC systems: Siemens S7, TDC Siemens,
Schneider Quantum, AEG A250
Converter main motor: AEG/ CM Modul Simoreg Siemens
Revamps and major maintenance activities:
2005/2006 Revamp of all main drives
2009 Installation of a new twin drive gear box for mill drive
2010 Modernization of rolling force and thickness control
Modernization of main drive and paper winder drive converter
Modernization of drive control
Ancillary Facilities:
Rolling oil system
Dust exhaust system
Morgoil system
Low pressure hydraulic - 140bar
High pressure hydraulic
This machine is listed for sale by National Machinery Exchange Inc
located in Newark, New Jersey