Single Stand Six High Cold Reversing Mill for Carbon Steel
With intermediate roll shifting and horizontal roll stabilization, it is designed for high production of wide and thin gauge strip with superior thickness and flatness tolerances. Available features include: Automatic Flatness Control (AFC); Hydraulic Gauge Control (HGC), Selective Strip Cooling, Positive and Negative roll bending, Quick roll change system.
Overview
Housings of machined cast steel in columnar design attached to bed plates by bolting. Bed plates are anchored to the foundation and grouted into place.
Front & Rear housings are joint together by heavy welded spreaders
Roll Gap Adjustment is made by two hydraulic cylinders mounted on the bottom of the housing equipped with High accuracy linear Encoder to precisely control roll position.
Work Rolls in alloyed forged steel with air oil lubrication for taper roller bearings. Rolls are driven through the main cinematic chain.
Intermediate rolls in alloyed forged steel idle type with air oil lubrication for taper roller bearings
Back Up rolls in alloyed forged steel, idle type with air oil lubrication for 4 Row Cylindrical Roller Bearings. Equipped with thrust bearings 2 row tapered roller type
Mae West Bending Blocks equipped with double acting hydraulic cylinders for applying positive and negative roll bending to the necks of work rolls and Intermediate rolls.
Intermediate Roll Shifting device is hydraulically operated. Top and bottom Intermediate Rolls is shifted in opposite directions to provide compensation for various strip widths and strip shape issues.
Pass line adjustment located on top of the mill housing is made with step & wedge arrangements. Steps provide incremental adjustment and wedges provide fine adjustment within all required range. Pass line adjustment is operated by hydraulic cylinders.
Technical data
Productivity range from 90.000 up to 400.000 tons/year
Rolling Mill speed up to 1500 m/min
Outgoing minimum thickness down to 0,1 mm
Nominal Rolling Force up to 18.000 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
Safety & Automation
Safety
Personnel safety
Automation
Smart Level 2 system is able to provide models and technology for improving the setting all relevant process parameters.
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