pdf agc control for hi cold rolling mill

Cold Rolling Mill Manufacturer Galvanizing Lines Supplier

We provide world class technically superior, highly efficient affordable flat steel solutions to setup Cold Rolling Mills, Continuous Galvanizing Lines, Galvalume Lines, Color Coating Lines, Pickling Lines, Slitting Lines, Cut to Length Lines, Tube mills, Automatic Gauge Control, Automatic flatness control High level Industrial Automation.

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AIST Technical Paper New Control System Technology

Key words Cold Rolling, AGC, Speed Control, Tension Control, Back Tension . INTRODUCTION . New control system technology for cold rolling mills using unprecedented integration controlling mill/winder motor speed loops, winder tension loops and AGC control into a single advanced motion controller providing seamless back tension AGC.

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Published in Journal of The Brazilian Society of Mechanical Sciences and Engineering 2005Authors Luis E ZarateAffiliation Pontificia Universidade Catolica De Minas GeraisAbout Yield Artificial neural network Control system

HOT ROLLING PRACTICE An Attempted Recollection

1 HOT ROLLING PRACTICE An Attempted Recollection Saral Dutta. B. Tech. (Hons.), I.I.T. Executive Director, ISP RMD, SAIL (Retired) Rolling is a metal forming process in which metal stock is passed through a pair of rolls.

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A New Automatic Gauge Control System for a Reversing Cold Mill

Fundamental study on automatic gauge control (AGC) of reversing cold rolling mill was carried out. The study includes the method of evaluating performance of AGC system and designing a control system according to the results of the study. It was concluded that the response of AGC

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application of an agc in hot strip rolling mills

proposed for the hydraulic AGC (Automatic Gauge Control) system of hot rolling mills based on the data driven control theory to solve the delay in the hot strip mills . Employing a was simple to use, easy to tune and energy efficient in.

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The Complete Technology Book on Hot Rolling of Steel

Looperless Tension Control Three-Stage AGC for Tandem Cold Mills Dynamic gauge control system High/Low Frequency AGC Effect of Roll Speed Control Response on AGC Performance Feedforward AGC for Hot Tandem Mills The Complete Technology Book on Hot Rolling of Steel

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Composite Plate Rolling Mill of Xi'an New Energy and

Composite Plate Rolling Mill Production Line Process. Front coiler→(Unloading car)→Machine front device→ 4-hi main rolling mil→ Machine after the device→After the coiler (Unloading car)→according demands to arrange two or three set unreeling machine, Starting straightening machine etc.

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Study on AGC Control System of 300 Reversible Cold Strip Mill

In allusion to 300 Reversible cold mill, the composing and the theory of the auto gauge control system is presented. To meet the characteristic of the 300 reversible cold mill, the PID algorithm With Variable Integral Action is used in position and pressure inner loop control of press down hydraulic cylinder to elevate the response characteristic, and the dynamic press compensating algorithm

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MNC AUTOMATION-Hot Cold Rolling Mills, Rolling Mills

We provide comprehensive engineering solutions for various applications in Steel ( and Other Metals ) Hot Cold Rolling Mills and associated applications in the Steel and Metals Industries. The range of our expertise includes the successful commissioning of the following 2-HI Skin Pass Mill 4-HI Cold Rolling Mill 6-HI Cold

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agc cylinder rollingmill leuvenkravmaga

HOT STRIP MILL . Hydraulic AWC system for Hot Rolling Mill Hydraulic AGC system for Hot Rolling Mill Hydraulic AGC system Excellent thickness accuracy can be achieved, from top end to tail end of the production, by providing hydraulic gap adjusting cylinders with the AGC system on mill stands.

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Influence of Internal Leakage in Hydraulic Capsules on

In hot rolling mills the plastic deformation of the strip is realized at high force and plastic strain speed controlled by electro-hydraulic servo actuators. These hydraulic servo actuators hydraulic capsules are capable to adjust the rolling gap at great rolling force dynamically. The dynamic behaviour of the rolling mill's AGC (automatic gap adjustment) system mainly depends on the

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Automatic 2 Hi Cold Rolling Mills, Rs 5000000 /unit, Vaid

Vaid Engineering Industries offering Automatic 2 Hi Cold Rolling Mills at Rs 5000000/unit in New Delhi, Delhi. Get best price and read about company and get contact details and address.

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Aluminum Rolling Measurement and Control

Honeywell has delivered over 650 systems for measurement and control of cold mill and foil mill rolling. Its integrated solution includes the new MetalsMaster, which provides best-in-class aluminum sheet and foil measurement, along with AGC/ HGC, AFC and Calcoil for better quality and lower costs.

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Published in Engineering 2014Authors Waleed I Hameed Khearia A MohamadAbout Artificial neural network

Influence of Internal Leakage in Hydraulic Capsules on

In hot rolling mills the plastic deformation of the strip is realized at high force and plastic strain speed controlled by electro-hydraulic servo actuators. These hydraulic servo actuators hydraulic capsules are capable to adjust the rolling gap at great rolling force dynamically. The dynamic behaviour of the rolling mill's AGC (automatic gap adjustment) system mainly depends on the

Get price

Study on AGC Control System of 300 Reversible Cold Strip Mill

In allusion to 300 Reversible cold mill, the composing and the theory of the auto gauge control system is presented. To meet the characteristic of the 300 reversible cold mill, the PID algorithm With Variable Integral Action is used in position and pressure inner loop control of press down hydraulic cylinder to elevate the response characteristic, and the dynamic press compensating algorithm

Get price

application of an agc in hot strip rolling mills

In order to improve the quality of the hot strip gage and to reduce the strip thickness deviation, the automatic gauge control (AGC) system now is widely used in modern hot strip mills. Mill modulus control (MMC) is one of important methods in AGC system for strip rolling mills.

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Design and function of CVC rolls as a flatness actuator

Design and function of CVC rolls as a flatness actuator in a cold rolling mill Keywords Flatness, actuators, CVC, cluster mill, cold rolling, strip Summary When cold rolling thin steel strips with high tensile strength, reversible cluster mills are used. The customer's demands are high on the products flatness, which is controlled by the

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Mitsubishi Heavy Industries Zhejiang Nisshin Worthington

Automatic gauge control(AGC) and automatic shape control (ASC) optimize shape and flatness of the strip On October 25, a Z-Hi reversing cold mill supplied by Primetals Technologies was officially inaugurated at the Pinghu, China production site of Zhejiang Nisshin

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2 Reversing Cold Rolling Mill Ingeteam

- Thickness gauge control (First Control) Flatness roll and control (Vollmer-BFI) TCS sensors (MHI) After-Sales Services Hotline Service. Spare parts in 24 hours. Direct line with our technical staff. Remote communication from our offices to the factory automation network. industry 2 Reversing Cold Rolling Mill OUTOKUMPU L ngshyttan

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4 hi mill cold roll cre-ace-tion

4 HI-MILL Varia Cold Rolling. Oil mist Fog/Lubrication system for back-up work roll chocks Combined pinion stand type main-drive gear box Tension reel with suitable capacity of Mill required back tension Four raw TQO type bearing for roll neck Separate work roll trolley for saving time of work roll changing pass line height adjustment trolly

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Chapter 4 Surface finish and friction in cold metal rolling

SURFACE FINISH AND FRICTION IN COLD METAL ROLLING Figure 4.2 SEM micrographs of (a) roll surface, (b) aluminium foil surface. The rolling direction runs horizontal, and the roll roughness is derived from a replica. Although it is frequently assumed that the interface between the roll and strip

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Predictive Model for the Cold Rolling Process through

application to a single stand rolling mill is prese Predictive Model for the Cold Rolling Process through Sensitivity Factors the representation of the cold rolling process through Neural Networks an Automatic Gauge Control (AGC) system for rolling mills uses the output thickness as the feedback variable.

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Modern Cold Rolling Processes for Non Ferrous Metals

cold mills of lower capacity/speed/ complexity. Conclusion The modern technologies for non ferrous metal rolling include 6 HI mill or 20 HI mill or Tandom mill. The choice of the mill depends up on the type of product, cost of investment, availability of space and justification of tonnage. Fig. 2 Rolling

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SOLUTIONS FOR ALUMINIUM ROLLING MILLS

Thin-strip mills of 4-high design allow for a finishing capacity on light gauges of down to around 0.02 mm. This mill type can be used for foil roughing applications. Capacities vary and depend on the application, but are usually in the order of 30,000 tonnes per year. MAIN BENEFITS To ensure an accurate mill setup, our cold rolling mills are

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Hot rolling and rolling defects nptel.ac

Gage control in multiple rolling mills is achieved through measurement of strip thickness using x-ray gage and adjusting the strip tension using feedback control system. 1.8 Rolling defects Mill spring is a defect in which the rolled sheet is thicker than the required thickness because, the rolls get deflected by high rolling forces.

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