cold rolling mill

our product is the top quality with competitive product our product is the best in china

Material Specification

1)Type: 1000 Series  3000Series   5000 Series   8000Series

2) Coil width:  850-1700mm

3) Thickness: 6mm-8mm

4) Thickness Tolerance:  Lateral does not 2% the strip thickness

                                              Longitudinal does not exceed  1.5% strip thickness

5) Coil Outer Diameter: Φ1800mm max

6) Coil Inner Diameter: Φ510mm (no spool)    

                                           Φ505mm (with spool)

7) Weight of Coil: 13000kg    Material Requirement: no curve , telescope does not exceed 6mm/m, the crown does not exceed 3mm   spool size: Φ505/Φ565*1900mm

Product Specification:

1) Coil width: 850-1700mm( no cutting edge)  

                         800-1650mm(cutting edge)

2) Thickness: 0.2mm (min)

3) Coil Outer Diameter: Φ1800mm (max)

4) Coil weight(Max): 13000kg

5) Spool Size: Φ505/Φ565*1900mm

Main Parameter:

1) Load Force: 16000

2)Load Torque(Max);  Max160 KN.M

3)Threading Speed: 18m/min(Max)

4)workroll speed: MAX 1000m/min

5) Unwinder Tension: 16500KG(Max)

6) Rewinder Tension: 16000KG(Max)

7) Work-Roll:Φ420*1900mm

8) Backup roll: Φ1100*1850mm

9) Reduction: 20%-60%

10) Forward Slip: 0-15%

11) Tension Accuracy: ±1%  during constant speed operation

                                            3% during acceleration or deceleration

12) Roll Coolant flow -rate: 5000 L/min (max)

13) Passline: +1100mm

Scope of Supply

1) Coil supply and preparation Equipments

     -Coil supply car

     -Storage Saddle

     -Diam and width measuring device

     -Coil Preparing Station

2) Decoiler  ( A dual Collapsible Mandrel Decoiler)

     -2 collapsible cylinder actuated

     -2 double motor driven pressure

     -1 outboard bearing

     -Reducer supporting the 2 mandrels

     -Disengageable couplings

     -Primary speed reducer

     - Disk Brake for safety stop

     - Automatic center alignment system

3) Entry Equipment

    -Threading Table with retractable opener

    - Motor driven roller with wiper

    -Motor driven pinch roller

    -Straightening roller

    -closing table

    -Center guide plates

4) Mill Stand

    -Pinion-stand primary speed reducer, couplings

    - A set of universal drive spindles and safety sleeves

    -A set of housing with wear plates,spacers and seating blocks

    -A set of equipped back-up rolls

    -A set of equipped work rolls

    - Hydraulic units with spindle holders

    -2 hydraulic screwdown cylinders

    - A system of wedging for automatic adjustment of the pass line

    - Extraction hood and cowling on the sand

    -Recovery tanking

    -spraying on the stand and pneumatic panel

    - Drying tunnel with roll air wipe and strip drying

    - Stand piping

    -Automatic changing of back-up rolls

    -Automatic changing of work rolls

5) Exit Equipment

    -support of X ray gauge with withdrawal mechanism

    -Press with rolls

    - air wipe system

    - Guiding Table

    - Support Frame

    - Gauge Supports

    - Pass-line roller and squeeze roll

    -Retractable cross shear

    -Fixed covering table

    - Motor driven planicim roller with motor driven pad wiper

    -Retractable guiding table

    - Tracking ironing roller

6) Coiler with 2 half-mandrels

    - 2 cylinders actuated collapsible half mandrel

    - 2 gear reduces with disengageable coupling and disk brake

    -Support bed

7) Pivoting and retractable belt wrapper

8) Discharges of coils

    -Cars for discharging coils on spools

    - Automatic strapping station

    - Weighting station

    -Automatic marking device

9) Spool handling

10) Systems

    - Coolant spry syetem

    - Hydraulic high pressure power unit for screwdown, back-up and work roll

    - Pneumatic system

    - Lubrication system for the reducers

    - Lubrication system by oil mist

    - Centralized lubrication system

    - Vapour extraction and filtration system

11) Automatic Process control system

12) Equipment and software for quality optimization gauge and flatness control

cold rolling mill