Reversible cold Rolling Mills Shape control

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Sand production line

Sand production line processing technologye

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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 the close loop ...

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Shape and Gauge Control of Strip in a Cold Rolling Mill ...

2020-10-6  Fig 1 Thickness control in a single stand cold reversing mill. For the single stand cold reversing mill, the external controllers are (i) the tension control by torque (TCT) in which the entry / exit tensions are kept constant through the torque regulated by the TC that, in turn, exploits the motors applied to the coiler / uncoiler reels, (ii) the gauge control, feed-back via gap (GBG) in ...

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Tension and Thickness Control Strategy Analysis of Two ...

The shape control for 900 mm HC mill was analyzed using the emulation software of strip cold rolling control based on strip element method, and the strategy of shape and profile control was formed.

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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 important.

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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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Research on flatness intelligent control via GA–PIDNN ...

2013-5-25  The GA–PIDNN controller is designed mainly for 900HC reversible cold rolling mill. The flatness control system main-ly includes the design of flatness pattern recognition model, flatness predictive model and the flatness control scheme (Zhang et al. 2012).Two control means, work roll bending and intermediate roll shifting, are adopted in the process of design.

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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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Command Filter-based Backstepping Control for the

2019-12-26  This paper investigates the decoupling and coordinated tracking control problem for the speed and tension system of the reversible cold strip rolling mill. Using a diagonal matrix decoupling network and neural network disturbance observers, we propose a command filter-based backstepping control strategy. First, the diagonal matrix decoupling network is constructed to weaken the coupling ...

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Shape Control Technologies in Hot Strip Mill – IspatGuru

2020-10-27  The shape control technologies which affect the shape quality of the hot rolled strips fall into three categories namely (i) shape control actuating devices for rolls, (ii) shape control model, and (iii) rolling process system. Shape control technology is also developing in the direction of integration. In this article, shape control actuating ...

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Coupling Mechanism of Control on Strip Profile and ...

Le Liu, Suyan Ding, Jie Gao, Yiming Fang, Adaptive Nonsingular Terminal Sliding Mode Backstepping Control for the Speed and Tension System of the Reversible Cold Strip Rolling Mill Using Disturbance Observers, IEEE Access, 10.1109/ACCESS.2019.2956188, 7, (171246-171259), (2019).

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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 important.

  • Capacity

    T/H

  • Reviews

Get Quote

Tension and Thickness Control Strategy Analysis of Two ...

The shape control for 900 mm HC mill was analyzed using the emulation software of strip cold rolling control based on strip element method, and the strategy of shape and profile control was formed.

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  • Reviews

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MEASUREMENT 50 years of flatness control with ABB’s ...

2021-2-17  the rolling mill to produce a high-quality strip with maximum yield while keeping maintenance needs to a minimum. The Stressometer system of today is designed for both hot and cold rolling, and handles thickness and product ranges from 0.005 mm aluminium foil up to 12 mm stainless steel. What is strip flatness control in a rolling mill?

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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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Coupling Mechanism of Control on Strip Profile and ...

Le Liu, Suyan Ding, Jie Gao, Yiming Fang, Adaptive Nonsingular Terminal Sliding Mode Backstepping Control for the Speed and Tension System of the Reversible Cold Strip Rolling Mill Using Disturbance Observers, IEEE Access, 10.1109/ACCESS.2019.2956188, 7, (171246-171259), (2019).

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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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SMS group GmbH: Reversing cold mills (steel)

The reversing cold rolling mill is the all-rounder among the cold rolling mills: Here, thin strips, thick strips, soft grades, high-strength and ultra-high-strength strips can be rolled in succession on one and the same plant. The RCM is mainly used for low carbon steels, but

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6 High Reversible Cold Rolling Mill - SlideShare

2012-2-10  ROLL CHANGING CAR (RCC) FRONT VIEW REAR VIEW This Assy. is used to change rolls of 6 High rolling mill USED ROLLS 12 14. SIDE VIEW OF 6 HIGH REVERSIBLE MILL 13 15. OPERATIONAL INSTRUCTIONS A rolling mill should operate at its maximum power or maximum speed.

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

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={L. Liu and Nuan Shao and Minghao Lin and Yi-ming Fang}, journal={International ...

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What is High Speed 6- Hi Reversible AGC Cold Rolling Mill

Check out the 2021 new High Speed 6- Hi Reversible AGC Cold Rolling Mill from Hebei Moran Environmental Protection Technology Corp.. Here are multi-dimension videos for your reference such as product videos and company videos. We will offer you Rolling Mill qualifies with above-average "up-times", low maintenance requirements, and ease of ...

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Tension and Thickness Control Strategy Analysis of Two ...

The shape control for 900 mm HC mill was analyzed using the emulation software of strip cold rolling control based on strip element method, and the strategy of shape and profile control was formed.

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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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Tension and Thickness Control Strategy Analysis of Two ...

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 continuous rolling theory.

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What is High Speed 6- Hi Reversible AGC Cold Rolling Mill

Check out the 2021 new High Speed 6- Hi Reversible AGC Cold Rolling Mill from Hebei Moran Environmental Protection Technology Corp.. Here are multi-dimension videos for your reference such as product videos and company videos. We will offer you Rolling Mill qualifies with above-average "up-times", low maintenance requirements, and ease of ...

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6 High Reversible Cold Rolling Mill - SlideShare

2012-2-10  ROLL CHANGING CAR (RCC) FRONT VIEW REAR VIEW This Assy. is used to change rolls of 6 High rolling mill USED ROLLS 12 14. SIDE VIEW OF 6 HIGH REVERSIBLE MILL 13 15. OPERATIONAL INSTRUCTIONS A rolling mill should

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An investigation into the design and performance of an ...

Shape (or flatness) control for rolled steel strip is becoming increasingly important as customer requirements become more stringent. Automatic shape control is now more or less mandatory on all new four-high cold mills, but no comprehensive scheme yet exists on a Sendzimir mill. This is due to the complexity of the control system design on such a mill, where many more degrees of freedom for ...

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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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Design and function of CVC rolls as a flatness actuator in ...

2012-5-7  account and the cold rolling process in KV96. 2.1 KV96 The cluster mill that this study aims is a 20-high reversible mill. With reversible mills means that once the strip has been coiled from the decoiler to the recoiler, the rolling direction is reverted and the decoiler becomes recoiler and vice versa. The mill contains of an upper and

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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

  • Capacity

    T/H

  • Reviews

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MEASUREMENT 50 years of flatness control with ABB’s ...

2021-2-17  the rolling mill to produce a high-quality strip with maximum yield while keeping maintenance needs to a minimum. The Stressometer system of today is designed for both hot and cold rolling, and handles thickness and product ranges from 0.005 mm aluminium foil up to 12 mm stainless steel. What is strip flatness control in a rolling mill?

  • Capacity

    T/H

  • Reviews

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