reversible cold rolling mills shape control

reversible cold rolling mills shape control

Shape Detecting and Shape Control of Cold Rolling Strip ...

Based on the shape detecting principle and the DSP (Digital Signal Processing) technology, a high-precision shape detecting system of cold rolling strip is developed to meet industrial application. It was successfully used in Angang 1250 mm HC 6-high reversible cold rolling mill. The precision of shape detecting was 0.2 I, the shape deviation was controlled within 6 I after

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Rolling Mill Shape Control - Control System Design

1999-12-15 · Cold rolling mills are an abundant source of control problems. Typically, the stand consists of a small diameter work roll and a larger backup roll on each side of the steel strip. Significant amounts of energy are required to achieve the desired thickness reduction.

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Advanced Reversing Cold Mills by Primetals Technologies ...

Single-stand reversing cold mills. Depending on the product mix, a single-stand cold rolling mill can deliver rolling capacities of 100,000 to 400,000 t/a. Rolling schedules can be carried out with an even or odd number of passes to maximize mill availability and performance.

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Immersion and invariance adaptive decentralized control ...

2022-1-6 · Finally, the simulation research is carried out on the speed and tension system of a 1422 mm reversible cold strip rolling mill using actual data, and the simulation results verify the superiority of the proposed control strategy in comparison with the I&I control strategy and the backstepping dynamic surface control strategy.

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Tension and Thickness Control Strategy Analysis of Two ...

2012-10-1 · Cold Rolling Plant, Jinan Iron and Steel Group Co Ltd. j inan 250101, Shandong , China) Abstract: In order to lucubrate the rolling characteristic of the two stands reversible cold rolling mill and establish the tension and thickness control strategy, the steady-state characteristic simulating program was established using the steady-state ...

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Strip Thickness Control of Cold Rolling Mill with Roll ...

2013-11-12 · description of the cold rolling process is presented. In Section 3, a mathematical model has been driven for sin-gle-stand cold rolling mill. In Section 4, architecture and learning algorithm Fuzzy Neural Networkof have been presented. In Section 5, thickness control with roll ec-centricity compensation has been proposed. In Section 6,

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4-Hi Rolling Mill from Xi'an Hani New Energy and ...

1. Configurable work roll bending roller device, 2. The whole machine structure is simple, easy maintenance operation, less investment. 3. Screw down has two kinds control method, ordinary electromechanical screw down and AGC hydraulic

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SMS group GmbH: Reversing cold mills (steel)

Reversing Cold Mills (RCM), consisting of a rolling stand, are the ideal plant type for an annual production in the range of 100,000 to 500,000 tons. They can roll a wide range of steel grades. Reversing cold mills are also a good solution for demanding silicon or stainless steels. We offer you the right type of stand for every product mix.

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Research and Development Trend of Shape Control for

2017-8-28 · the four expected development trends of shape control for cold rolling strip in the future are intelligentization, coordi-nation, refinement, and standardization. The proposed research provides new breakthrough directions for improv-ing shape quality. Keywords Cold rolling strip Shape control Development trend Theory models Shape detection

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Efficient Special Steel Mills from Primetals Technologies ...

20Hi ZR Mill, HZ Mill. The ZR mill uses ultra-small diameter work rolls to efficiently roll high-hardness materials such as stainless steel, electrical steel strip, and phosphor bronze. To the original high rolling reduction capacity of the mill, we have added the double AS-U (shape control mechanism) originally developed by our company.

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Rolling Mill Shape Control - Control System Design

1999-12-15 · Cold rolling mills are an abundant source of control problems. Typically, the stand consists of a small diameter work roll and a larger backup roll on each side of the steel strip. Significant amounts of energy are required to achieve the desired thickness reduction.

Read More
Immersion and invariance adaptive decentralized control ...

2022-1-6 · Finally, the simulation research is carried out on the speed and tension system of a 1422 mm reversible cold strip rolling mill using actual data, and the simulation results verify the superiority of the proposed control strategy in comparison with the I&I control strategy and the backstepping dynamic surface control strategy.

Read More
SHAPE CONTROL SENSOR FOR COLD ROLLING MILLS -

SHAPE CONTROL SENSOR FOR COLD ROLLING MILLS . United States Patent 3693427 . Abstract: An apparatus for sensing "shape" of a strip in processing by a rolling mill including two or more rolls over which the strip is passed between successive stands of the mill, each roll being journaled at each end and each journal being supported by a load cell ...

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[PDF] Flatness Control System of Cold Rolling Process with ...

The automatic flatness control system, IHI Sheetflat, has been applied to many cold rolling mills since 1985. The pneumatic type shape roll is used as the shape sensor. Recently, requirements for quality products have become much more

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Strip Thickness Control of Cold Rolling Mill with Roll ...

2013-11-12 · description of the cold rolling process is presented. In Section 3, a mathematical model has been driven for sin-gle-stand cold rolling mill. In Section 4, architecture and learning algorithm Fuzzy Neural Networkof have been presented. In Section 5, thickness control with roll ec-centricity compensation has been proposed. In Section 6,

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A Sheffield Hallam University thesis

2021-4-26 · 2.2 Modelling of Sendzimir Mills for strip shape control 19 2.3 Rolling parameter effects on strip shape 21 2.4 Experimental design using Taguchi Experimental Design Techniques 30 2.5 Work roll strain 31 3.0 Application of Taguchi techniques to design of experiments 33 4.0 Applications of statistical experimental design techniques to a single

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Axial Force Analysis and Roll Contour Configuration of ...

Load distribution optimization is a feasible way for strip shape control in the traditional rolling mills, while its effect is limited . The CVC system is developed as a more effect control method and is employed on many cold rolling and hot rolling mills . The work rolls of the four-high CVC mill both have an “S” shape and are arranged ...

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Integrated Pollution Prevention and Control (IPPC ...

2019-11-13 · Integrated Pollution Prevention and Control (IPPC) Reference Document on Best Available Techniques in the Ferrous Metals Processing ... such as hot rolling, cold rolling and drawing of steel. ... Products are: hot and cold rolled flats, hot rolled long products, drawn long products, tubes and wire. Hot Rolling In hot rolling the size, shape and ...

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JSW - Vijayanagar Works - Overview

Rolled out in 1997, VIjayanagar Works’ hot strip mill is today the widest in India. It can roll products of a width of up to 2100 mm. Corex technology. By being the first plant in India to use Corex technology for steel and hot metal production, our Vijayanagar Works gained an early-mover advantage and a definitive edge over the competition.

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Efficient Special Steel Mills from Primetals Technologies ...

20Hi ZR Mill, HZ Mill. The ZR mill uses ultra-small diameter work rolls to efficiently roll high-hardness materials such as stainless steel, electrical steel strip, and phosphor bronze. To the original high rolling reduction capacity of the mill, we have added the double AS-U (shape control mechanism) originally developed by our company.

Read More
SHAPE CONTROL SENSOR FOR COLD ROLLING MILLS -

SHAPE CONTROL SENSOR FOR COLD ROLLING MILLS . United States Patent 3693427 . Abstract: An apparatus for sensing "shape" of a strip in processing by a rolling mill including two or more rolls over which the strip is passed between successive stands of the mill, each roll being journaled at each end and each journal being supported by a load cell ...

Read More
Rolling Mill Shape Control - Control System Design

1999-12-15 · Cold rolling mills are an abundant source of control problems. Typically, the stand consists of a small diameter work roll and a larger backup roll on each side of the steel strip. Significant amounts of energy are required to achieve the desired thickness reduction.

Read More
[PDF] Flatness Control System of Cold Rolling

The automatic flatness control system, IHI Sheetflat, has been applied to many cold rolling mills since 1985. The pneumatic type shape roll is used as the shape sensor. Recently, requirements for quality products have become much more

Read More
Strip Thickness Control of Cold Rolling Mill with Roll ...

2013-11-12 · description of the cold rolling process is presented. In Section 3, a mathematical model has been driven for sin-gle-stand cold rolling mill. In Section 4, architecture and learning algorithm Fuzzy Neural Networkof have been presented. In Section 5, thickness control with roll ec-centricity compensation has been proposed. In Section 6,

Read More
Adaptive Nonsingular Terminal Sliding Mode Backstepping ...

2019-11-28 · Abstract: In order to weaken the influences of system uncertainties and coupling items on the coordinated tracking control performance of the speed and tension system of the reversible cold strip rolling mill, an adaptive nonsingular terminal sliding mode (ANTSM) backstepping control strategy using disturbance observers is proposed. First, time-varying

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A Sheffield Hallam University thesis

2021-4-26 · 2.2 Modelling of Sendzimir Mills for strip shape control 19 2.3 Rolling parameter effects on strip shape 21 2.4 Experimental design using Taguchi Experimental Design Techniques 30 2.5 Work roll strain 31 3.0 Application of Taguchi techniques to design of experiments 33 4.0 Applications of statistical experimental design techniques to a single

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Fundamentals of Roll Cooling and Control of Flatness at ...

2021-1-18 · FUNDAMENTALS OF ROLL COOLING AND CONTROL OF FLATNESS AT PRIMARY COLD REDUCTION (DARON LLOYD MANAGING DIRECTOR, LECHLER LTD) PREAMBLE In the process of Rolling the most significant aspect is the generation of heat through friction and deformation in the roll bite and in a typical Cold Tandem Mill, work roll

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Axial Force Analysis and Roll Contour Configuration of ...

Load distribution optimization is a feasible way for strip shape control in the traditional rolling mills, while its effect is limited . The CVC system is developed as a more effect control method and is employed on many cold rolling and hot rolling mills . The work rolls of the four-high CVC mill both have an “S” shape and are arranged ...

Read More
Integrated Pollution Prevention and Control (IPPC ...

2019-11-13 · Integrated Pollution Prevention and Control (IPPC) Reference Document on Best Available Techniques in the Ferrous Metals Processing ... such as hot rolling, cold rolling and drawing of steel. ... Products are: hot and cold rolled flats, hot rolled long products, drawn long products, tubes and wire. Hot Rolling In hot rolling the size, shape and ...

Read More
Hamilton‐based adaptive robust control for the speed and ...

2019-4-1 · DOI: 10.1002/ACS.2977 Corpus ID: 127408203; Hamilton‐based adaptive robust control for the speed and tension system of reversible cold strip rolling mill @article{Liu2019HamiltonbasedAR, title={Hamilton‐based adaptive robust control for the speed and tension system of reversible cold strip rolling mill}, author={Le Liu and Nuan Shao and

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