Specifications of cold rolling mill
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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
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