420mm (16.5") MINO 4-Hi Cold Rolling Mill: RM-447

420mm (16.5") MINO 4-Hi Cold Rolling Mill: RM-447
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Description
420 mm (16.5") MINO 4-Hi Cold Rolling Mill: RM-447
- 4-Hi cold mill for steel, complete
Manufacture:
- MINO SpA (Italy)
- New in 1970
- Last revamp in 2011
Mill Type:
- 4-Hi cold mill
Material: Steel
Strip Width - 420 mm max (16.5")
Strip Thickness:
- 4.0 mm max entry (.157")
- 0.2 mm min exit (.008")
Line Speed:
- Minimum = 20 mpm (65.6 fpm)
- Maximum = 400 mpm (1312 fpm)
Coil Size:
- ID = 500 mm (19.7")
- OD = 1800 mm (70.8")
- Weight = 8000 kg (17,637 lbs)
UNCOILER:
- Mandrel Type: 430-520 mm ID x 500 mm face
- Motor = 45 kW DC
- Braking Force = 400-1500 kg
- Speed = 200 mpm
ENTRY SECTION:
- Pinch Roll = 180 mm diam x 500 mm face
- Straightener Roll = 130 mm diam x 500 mm face
- Drive = 11 kW AC motor
- Feedup Speed = 20 mpm fixed
MILL:
a. Roll Size:
- Work roll diameter = 170 mm
- Work roll face = 500 mm
- Backup roll diameter = 560 mm
- Backup roll face = 500 mm
b. Roll Count:
- 10 pairs of work rolls
- 3 pairs of backup rolls
c. Roll Pressure / Force = 350 mtons
d. Main Mill Motor = 635 kW DC, 500-1200 rpm
e. Automatic Gauge Control Data
- Max static pressure - 210 kg/cm2
- Max pressure static separation - 550 mton
- Max dynamic pressure - 140 kg/cm2
- Max pressure dynamic separation - 380 mton
- Stroke of hydraulic cylinders - 20 mm
- Nominal speed of hydraulic cylinders at 140kg/cm2 = 4 mm/sec
- Max acceleration - 120 mm/sec
- Number of Hydraulic Cylinders = 2
- Section of EACH cylinder - 1385 cm2
- Maximum possible frequency of intervention (peak to peak) = 6 to 15 Hz correcting 0.2mm
f. Hydraulics = complete, included
g. Cooling System
h. Electrical Equipment
RECOILER
- Mandrel Type: 500 mm ID x 500 mm face
- Winding Force = 400-4000 kg
- Drive = 298 kW DC motor, 400-1500 rpm
Sold "as is, where is" EXW off foundation, warehouse floor.
Specifications
Manufacturer | MINO SPA |
Model | LLQ-500 |
Year | 1970 |
Condition | Used |
Stock Number | RM-447 |
Type | Rolling Mills, Cold Rolling Mills |
Status | For Sale |
Mill Type | - 4-Hi cold mill |
Material | Steel |