Double Stand Skinpass Mill for Tinplate
Double Stand coil to coil temper mills are designed in four high mode with a big work roll diameter to adjust the material's hardness and surface finishing. Equipped with sophisticated measuring and process control systems, strip thickness control is performed by mass-flow control incorporating thickness, speed and tension measurement.
Overview
The proposed double stand temper incorporates the latest technological features and basically is consisting of:
- one uncoiling section with payoff reel, coil centre position system, pinch roll, entry bridle roll,
- one tension reel with belt wrapper and coiling auxiliary devices
- entry and exit group consisting of shears, drying system, x-ray thickness gauges acting in a closed loop (AGC system), tensiometer rolls,
- 2 Mill stands, four-high design with lower rolling force cylinders, upper continuous wedge pass-line adjustment, positive and negative work roll bending in Mae-West blocks, quick work roll changing system (side shifting), work roll drive.
- Interstand equipment made by x ray thickness gauge, tension and measuring passline roll, air knives and speed laser sensor.
All auxiliary equipment such as high and low pressure hydraulic systems, emulsion oil, wet tempering, mist lubrication, gear lube system, grease and fumes exhaust system.
Technical data
- Productivity range from 100.000 up to 350.000 tons/year
- Rolling Mill speed up to 1500 m/min
- Outgoing minimum thickness down to 0,11 mm
- Nominal Rolling Force up to 15.000 kN
- 99% availability
Innovation
- Fast payback
- High flexibility
- Reduction in logistics, maintenance and manpower costs
- Lower rolls consumption
- Continuous control and optimization of operational parameters
Automation
Smart Level 2 system is able to provide models and technology for improving the setting all relevant process parameters.
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