'SMS' 2-Hi Skin Pass Mill

‘SMS-DEMAG-SACK’ Skin Pass Mill

Make: Mannesmann Demag Sack
Type: 2-High Non-Reversing Skin Pass Mill           
Year of manufacture: 1989
Application: Enhance the surface finish, improve flatness, and increase the mechanical properties of hot and cold rolled stainless steel sheets and coils through a light rolling process.
Equipment weight (estimated): approx. 350 tons
Line overall length: approx. 12 meters
Rolling direction: Left to right
Processed material: Austenitic and Ferritic Steels
                                    AISI 300 and 400 Series, Cold Rolled and Annealed
Strip width: 510 – 1320 mm entry
Strip thickness: 0.3 – 3.5 mm
Coil weight: max. 20,000 kg (plus paper)
Barrel diameter: max. 800 mm
                             min. 750 mm
Barrel length: 1,450 mm
Barrel hardness: approx. 100 shore D
Roll material: Chromium alloyed forged steel
Rolling speed: 0-100/200 mpm
Driving motors: DC motors

Motor capacities: 0 – 450 KW (15% continuous overload)
Motor speed: 0/649/1290 rpm
Mill gear: ratio : I=15,197
Roll positioning: Hydraulic positioning
Roll force: nominal 1,000 tons
                  max. 1,200 tons
P.O.R.: min. 610 mm
            max. 630 mm
Tension Reel: min. 580 mm
                       nominal 610 mm

Skin Pass Mill Roll Shop:
–            Roll Grinder KWB8-400 S (SHIBAURA-TOSHIBA) year of mfg. 1989

Mechanical equipment list:

–            Coil Loading Skid
–            Coil Car
–            P.O.R.
–            Paper Winder
–            Mill Stand
–            Mill Housing
–            Rolls with Chocks & Bearing
–            Hydraulic Screw Down System
–            Drive transmission, including gear units, spindle carriers, etc.
–            Roll Cleaning Unit
–            Protective Shield
–            Protective Hood
–            Deflector Roll with Bearing Bracket
–            Snubber Roll with Bending Roll
–            Strip Table
–            Strip Support Table
–            Roll Changing Rig
–            Tension Reel
–            Dual Paper Winder
–            Exit Coil Car
–            Hydraulic Systems

E&A equipment and motor list:

–            PLC Control DCS5000 (RELIANCE, 2008)
–            Drive (RELIANCE, 2008) x 3
–            Automax Rack x 1 (RELIANCE)
–            DCS Rack x 8 (RELIANCE)
–            P.O.R. & Tension Reel DC Motor 520 KW x 2
–            Mill DC Motor 450 KW x 1
–            Paper Winder DC Motor 3KW x 3
–            AC Motor x 22
–            Transformer 750KVA x 4
–            Transformer 300KVA x 1
–            Transformer 20KVA x 1
–            Transformer 15KVA x 1
–            Screw Down System (I2S)

This lot is part of a combination lot: A Complete Stainless Steel Cold Rolling Facility(Combination)