Metal production
4 STANDS COLD ROLLING MILL - 4-HI - 282 MM - 2.0-0.25 MM
Ref. No.:ROLLMILL190501
YEAR:1969/1984
Brand:FRÖHLING
Qty:1 Second-hand 4 stands cold rolling mills – 4-Hi - dismantled & in storage
Specification
| Description | 4 STANDS COLD ROLLING MILL - 4-HI - 282 MM - 2.0-0.25 MM |
| Ref. No. | ROLLMILL190501 |
| Year | 1969/1984 |
| Brand | FRÖHLING |
| Qty. 1 Second-hand 4 stands cold rolling mills – 4-Hi - dismantled & in storage | |
| Mfc. | Fröhling Built |
| Dismantled and in storage 2018 | |
| Rolled material | Alloy AA5050, AlMg3 (Series 3000 & 5000) |
| Type | 4-Hi Strip width max. |
| Thickness | in 2.0 mm out 0.25 – 1.20 mm |
| Speed max. | 400 m/min |
| Coil size | inner diameter 400 mm outer diameter 1500 mm |
| Backup roll diameter | 390 mm width 335 mm |
| Work roll diameter | 130 mm width 340 mm |
| Motors stands DC, ABB converters (installed 2004), 200 kW, drive work rolls | |
| Coolant Emulsion Filtration system by Laval | |
| Controls | |
| PLC system | ABB Scada |
| Flatness control | stand #4 |
| Thickness control | stand #4 hydraulic equipped with Automatic Gap Control (AGC) |
| Thickness control | stand #1 - #3 mechanical manual |
| Utilities | Electrical voltage |
| Air 5 Bar Cooling water | |
| No. of work rolls | 39 No. of back-up rolls |