550mm- 1250mm Wide 4hi Reversible Cold Rolling Mill Slitting Line

• Rolling Shape: Coil
• Product: Strip
• Roller Position: Vertical
• Roller Number: Four-High
• Layout: Single Stand
• Type: Cold Rolling Mill
• Model NO.: 1250mm wide 4Hi
• Transport Package: Container Shipping
• Specification: bulk
• Origin: China
• Production Capacity: 1

Product Description

Hebei Moran Environmental Protection Technology.,Ltd is one of main metallurgical equipment factory in China. our products include new and used steel and aluminum rolling mill,2hi 4hi 6hi 8hi to 20 hi rolling mill machine, skin pass mil, tension leverler, tension leverler and skin pass mix mill, caster, steel coating line, pickling line ,annealing furnance,grinder, and other related equipment and its parts.our machine has been exported to many country and enjoy a very good reputation among our users. for more detail pls contact us






Main Technical Parameters of the Unit

1. Rolling mill specification:             F 1250F 450F 370´ 1450mm
2. Max rolling pressure:                 18000 KN
3. Max rolling torque:                 115 KN.m
4. Max threading speed:                30m/min
5. Max uncoiling speed:                500m/min
6. Max rolling speed:                  1200m/min
7. Uncoiling tension:                  78~8 KN
8. Coiling tension: 180~18 KN          (I gear V<760  m/min)

                                     120~12  KN(V≥760  m/min)
120~12  KN(II gear V≥760  m/min)

1.   Max coiling speed:                  1260m/min
2. Single side bending force of the work roll(positive/negative): 625/420  KN
3. Single side bending force of the intermediate roll: 625 KN
4. Transverse force of the intermediate roll: 720/380  KN
5. Work roll size:                     F370~F330´1450  mm

      Material:                        Cr3 alloy forging steel
      
      Surface hardness:                 HS 90~95

1. Intermediate roll size:               F450~F400´1450  mm

           Material:                        Cr3 alloy forging steel
            Surface hardness:                 HS 75~80

1. Support roll size:                   F1250~F1130´1350 mm

     Material:                         Cr5 alloy forging steel
           Surface hardness:                 HS 65~70

1. Transverse interval of the intermediate roll: 300 mm
2. Max opening of the work roll: 20  mm(new rolls)
3. Coil mandrel diameter of the uncoiler:  F560~ F620  mm (entire circle F610  mm)
4. Coil mandrel diameter of the coiler:    F495~ F510  mm (entire circle F508  mm)
5. Centering moving range of the uncoiler: ±100  mm
6. Straightener lower pinch roll diameter:  F400  mm
7. Turing roll diameter:                F500  mm
8. Rolling line elevation:               +1000  mm
9. Rolling line elevation adjustment distance: 200  mm
10. Accurate stopping:                  ≤150  mm
11. CPC centering control accuracy:       ±1  mm
12. Housing section:                    70cm×60cm=4200cm²
13. Processing lubrication flow:           10000  L/min
14. Hydraulic system working pressure:

                General hydraulic drive:          12  Mpa
        Balance, bending roll, transverse moving:  21  MPa
                Screw-up system pressure:        25  Mpa

1. Unit drive direction:                 Left side of blooming pass strip heading direction
2. Installed capacity of electric appliances of unit and mechanical equipment

DC:                         Main motor:            1250KW, 4 sets
                                    
Entry/exit coiling motor:  1250KW, 2 sets for each
                                     
Uncoiling motor:        650KW, 1 set
                                     
Installed capacity: 1250KWx4+1250KWx4+650KW=10650 KW
    
AC:                          ≈1000  KW

1. Max lifting part weight:             ≈42  t (lower support roll)
2. Max mounting hardware weight:      ≈92  t (housing)
3. Outline dimension of the Unit (length x width x height): ≈25x31x11  m  
4.