SKODA 4 HI ROLLING MI

Listing description

4 Hi Cold Breakdown/Intermediate Mill

MCM
AR-250

Type

4 Hi Reversing Cold Mill
Configuration
Work Roll Driven
Year
1960
Speed
0 to 36 m/min (to be confirmed)

Roll Face Width
800 mm
Work Roll Dia
250 mm
Back Up Roll Dia
660 mm

Thickness Range
6 mm to 0.50 mm Coil to Coil (to be confirmed)
12 mm Flat to Flat (to be confirmed)

Bearings
Greased Roller

Screwdown
Electromechanical
Screwdown Drive
Two Braked AC Electric Motors with Interconnecting clutch through two Worm
Reduction gearboxes and Screwdown Gearboxes to Screwdown Screws
Screw Pitch
10 mm
Screw Dia
190 mm
Housing Section
500 mm x 340 mm

Roll Balance
Hydraulic

Main Drive
DC Motor through pinion reduction gearbox and
Separate splitter box to Work Roll Drive Spindles
Drive Spindles
150 mm Dia x 1800 mm Long
Main Motor
500 KW DC, 315/1000 rpm, 440 V, 1240 A

Installation includes the following major additional component parts

Uncoiler

Type
Twin Cone
Capacity
3,000 Kg (Estimated)
Coil Inside Dia
400 to 500 mm
Drive
2 x 2.2 KW AC Motors
Snubber Roll
Pneumatic Operation
Coil Alignment
Motorised Lead Screw

Driven Entry Strip Flattener

Configuration
5 Rolls (2 over 3) x 810 mm Wide

Recoilers (2 Off)

Capacity
3,000 Kg (estimated)
Width
800 mm
Coil Inside Dia
500 mm
Drive Braked DC Motor through Reduction Gearbox to Recoiler Mandrel
Motor Detail 160 KW DC, 400/1200 rpm, 420 V, 417 A

Note – Whilst still available, it is recommended that all electrical controls and

hydraulics be replaced on this mill

Spare Rolls

2
Off
Work Rolls with Chocks and Bearings
4
Off
Work Roll Chocks
10 Off
Work Rolls
4
Off
Back Up Rolls with Chocks and Bearings

This equipment is located in US