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

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Description

Manufacture - MINO SpA (Italy) - New in 1970 - Last revamp in 2011 Mill Type: 4-Hi cold mill Material: Steel Strip Width - 420mm max (16.5") Strip Thickness - 4.0 mm max entry (.157") - 0.2mm min exit (.008") Line Speed - Minimum = 20 mpm (65.6 fpm) - Maximum = 400 mpm (1312 fpm) Coil Size: - ID = 500mm (19.7") - OD = 1800mm (70.8") - Weight = 8000 kg (17,637 lbs) UNCOILER: - Mandrel Type: 430-520mm ID x 500mm face - Motor = 45 kW DC - Braking Force = 400-1500 kg - Speed = 200 mpm ENTRY SECTION: - Pinch Roll = 180mm diam x 500mm face - Straightener Roll = 130mm diam x 500mm face - Drive = 11 kW AC motor - Feedup Speed = 20 mpm fixed MILL: a. Roll Size: - Work roll diameter = 170mm - Work roll face = 500mm - Backup roll diameter = 560mm - Backup roll face = 500mm b. Roll Count: - 10 pairs of work rolls - 3 pairs of backup rolls b. Roll Pressure / Force = 350 mtons c. Main Mill Motor = 635 kW DC, 500-1200 rpm d. 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 e. Hydraulics = complete, included f. Cooling System g. Electrical Equipment RECOILER - Mandrel Type: 500mm ID x 500mm 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

ManufacturerMino SpA
ModelLLQ-500
Year1970
ConditionUsed
Stock NumberRM-447