IHI HOT STRIP MILL

Mill Name 80\" Combination Mill Type Four Roll Type BUR* BearingWork Roll Shift No Start March, 1967 Manufacturer MITSUBISHI HEAVY INDUSTRIES / MELCO Rolling Load MeterProduction Capacity 7,000 t/M Rolling Speed Max. (m/min) 760 Eccentric ControlSpecification of Rolled Sheet Strip Thickness (Entry / Exit) (mm) 1.2?`6.0 / 0.4?`3.2 BUR Oil Film Adjustment Width (mm) 610?`1,880 Coil Weight (Entry / Exit) (ton) 33.0 / 33.0 Thickness Meter Coil ID (Entry / Exit) (mm) 610 / 610 Coil OD (Entry / Exit) (mm) 2,190 / 2,190 Profile MeterRoll Dimension WR* Roll (Barrel Diameter / Length) (mm) 465?`584 / 2,032 AGC BUR* Roll (Barrel Diameter / Length) (mm) 1,270?`1,422 / 2,007 Motor Pay-off Reel Mill Tension Reel Motor Power (kW) x Set 420 x 4 1,000 x 4 420 x 4 Shape Detector Standard Current / Voltage (A/V) 1,120 x 4 / 375 1,330 x 4 / 750 1,120 x 4 / 375 Automatic Shape Control Rotation Speed (Top / Bot) (rpm) 250 / 1,200 250 / 710 250 / 1,200 Gear Ratio (Drive / Non-drive) 1 : 2.46 1 : 1.516 1 : 2.46 Width Meter Strip Speed MeterType (DC or AC) DC Strip Temperature MeterCurrent MG Defect DetectorControl Method Speed Control Roughness MeterControl Type Digital EPC/CPCMill Motor Response (rad/sec) 15 Differential Speed Rolling - No Computer ControlMill Drive Twin Drive Rolling OilUncoiler Type Single Mandrel Reel Tension Max. (ton) 13.5 Coiler Type Single Mandrel Reel Tension Max. (ton) 13.5 Tension Change Change of motor sets from 4 sets to 2 sets Coolant Entry Guide Vertical Roller Loading Type Electric Mill Rigidity (ton/mm) 500 Mil Response (Hz) 0.5 Oil Cellar AutomationRoll Change Method -WR* BUR* Changing?@Car Sleeve Insertion Device Roll Bending - WR* Loading Power Max. (ton/chock) -66.4?`+15.5 Coil Inspection Device Backup Roll Crown Change Variable Crown Control Method Automatic Banding Machine Coil Marking Equipment History of Mill Modification WR* : Work Roll BUR*: Back-up Roll