6hi 8hi 12hi 20hi Double Stand Reversing CRC Cold Rolling Mill Slitting Line

• Rolling Shape: Strip
• Product: Coil
• Roller Position: Vertical
• Roller Number: 20 Hi
• Layout: Tandem
• Type: Cold Rolling Mill
• Model NO.: 20Hi Double stand reversing
• Transport Package: Container Ocean Shipping
• Trademark: Moran
• 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








Input material specifications:
Material: high carbon steel
Thickness: 0.2 to 8.0 mm
Width: 900~1350 mm
Coil diameter (inside/outside): Φ610/Φ1900 mm
Maximum coil weight: 26 t
Output product specifications:
Thickness: 0.076~6.0 mm
Width: 900~1350 mm
Coil diameter (inside/outside): Φ610/Φ1900 mm
Maximum coil weight: 26 t
2 ,Main technical parameters of the unit
 Roller body length: work roll 1500 mm;
Work roll: 63.5mm. Material: Cr12Mo1V1;
First intermediate roll: 102 mm, material: Cr12Mo1V1;

1. :  Second intermediate roll: 173 mm, material: 9Cr2Mo or 9Cr2MoV;
2. :  Drive roll: 173 mm, material: 9Cr2Mo or 9Cr2MoV;
3. :  Backing bearing: 300 mm;

Drive form: medium roll drive
Rolling mill maximum opening: 25 mm
Maximum rolling pressure of rolling mill: 9000 KN;
Maximum rolling torque: 6.6 tons (medium roll drive)
Rolling speed: low speed: 400 m/min; high speed: 800 m/min
Wearing speed: 0.2-0.5 m/s;
Thickness reduction accuracy: 0.005 mm;
    Annual capacity: 160000~180,000 tons/year;
Roller box balance: hydraulic 4-cylinder
Unwinding speed: 300 m/min
Coiling speed: low speed: 400 m/min; high speed: 850 m/min
Opening tension: Max 8 tons;
Coiling tension: Maximum 42 tons (low gear), maximum 20 tons (high gear)
Drum diameter: 610 (nominal) mm;
Rolling line elevation: +850mm (floor height of the workshop is 0.00mm);
Rolling mill main motor: AC 1800KWx2x2, 690V
Winding main motor: AC 1500KWx2x2, 690V;
Unwinding main motor: AC 500KW, 690V;

 

Archway: high stiffness combination hexahedron;
Roller changer device: hydraulic car change roll box;
    Rolling mill automation system and instrument configuration: full hydraulic AGC and roller type adjustment APC control;
   Speedometer, AGC, pressure gauge, auto shape control;
 Equipment lubrication system and lubrication station: main drive and coiler drive thin oil circulation lubrication; Q=1000 l/min;

1.  Process lubrication station:

1) 2000L/min station: for lubrication and cooling of the backing bearing;
2) 12000L/min station: for lubrication and cooling of the roll and rolling zone;

1. Hydraulic system working pressure:

        General hydraulic drive: 10 Mpa
Depressurize system pressure: 25 Mpa

1.  Unit mechanical equipment electrical installation capacity:

        Exchange: 1800KW*4+1500KW*4+500KW =13700KW
        Other exchanges: ≈200 KW

1. : Reducer lubrication method: Thin oil circulation
2. : Process lubrication cooling station: pure oil rolling