- Category: Iron & Steel
1270MM (ROLL WIDTH 1410MM) 6-HI, 2-STAND COLD ROLLING MILL
1270MM (ROLL WIDTH 1410MM) 6-HI, 2-STAND COLD ROLLING MILL
1270mm(Roll width 1410mm) 6-Hi, 2-Stand Cold Rolling Mill
Make: Hitachi(Japan)
Installation year: 2001
Type: 2-STAND 6-HI
Non reverse type
Operating date: Feb. 2002
Product capacity: 270,000ton/year
Material: Annealed coil DR-BP, DR-CR
Product thickness: 0.16~1.0mm
Product width: 500~1,270mm
Coil weight: 28ton
Coil inside dia:419 or 508mm
Coil outer dia.:900~2,050mm
Line speed: Max. 1,900m/min.
(Mill specification)
Mill stand No. 1 :
- Type-6-hi mill
-UCM / main motor-1650kw
-Work roll dia.:410~460mm
- Intermediate roll dia.:455~505mm
-Back up roll dia.:1,220~1,300mm
-Roll length:1,410mm
Mill stand No.2 :
-Type-6-hi mill
-UCM / main motor:1,100kw
-Work roll dia.:410~460mm
-Intermediate roll dia.-455~505mm
-Back up roll dia.-1,220~1,300mm
-Roll length-1,410mm
-Roll load system : Push up cylinder output-2,000ton / stroke-370mm
Anti-crimping roll : No.1-300mmx 1,420mm / No.2-200mmx1,420mm
Emulsion spray header : Work roll-26 nozzles x 52mm / back up roll-2sets
Anti-cross breaking roll : Roll dia.-200x1,20mm
Tension meter roll and pass line roll
Wringer roll
Delivery tension bridle
Delivery threading guide magnet belt
Tension reel : Type-conventional / mandrel dia.-419,508mm /length-1,340mm
Winding coil dia.-900~2,050mm /weight-28ton
Outside coil car : traversing stroke-5,500mm /lifting stroke-900mm
(Facility)
Inside coil car : Traversing stroke-5,000mm / lifting stroke-900mm
Entry conveyor : Capacity-112ton / lowering stroke-150mm /
traveling stroke-2,500mm/ Centering stroke-500mm
Flatter : Type-2 roll type / Bottom roll-200øx1,480mm barrel / top roll-same
Crop shear : Type-Hyd. Up cut type / knife-25x700x1,500mm /
thickness of strip to be cut-0.15~1.0mm
Pay off reel : Mandrel dia.-419,508mm /
expansion range-379,389,429mm(2 step)
Mandrel length-1,450mm
Entry threading device : Touch roll dia.-150mm
touch roll barrel-1,320mm / magnet belt
Entry dividing share : Thickness-0.15~1.0mm / width-max.1,270mm
/ knife rack-single 1.5