pdf agc control for hi cold rolling mill

[PDF] IMPROVED AGC CONTROL IN COLD ROLLING USING

Summary. In this paper we will describe some substantial improvements made in strip thickness control in cold rolling using the self-adaptive AGC 2000X control system, developed by First Control. Long-term production experience from two installations will be shown, a new 12high Mitsubishi cold rolling mill and an old Sendzimir mill. The improvements with selfadaptive control methods compared ...

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

Nov 12, 2013  types of Automatic Gauge Control (AGC) methods have been developed for hot or cold mill processes. The Brit-ish Iron and SteelResearch Association (B1SRA) AGC method based on the gaug meter principle and the feede forward AGC method using the delivery time of the strip have been widely utilized in steel rolling mills [3].

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Optimization of a Cold Rolling Mill - Thermo Fisher Scientific

Optimization of a Cold Rolling Mill with a High Speed X-ray Thickness Gauge Christopher Burnett, Thermo Fisher Scientific, Mount Airy, MD, United States White Paper Abstract The high speed production achieved by modern cold rolling mills requires reliable and robust thickness sensors. The Automatic Gauge Control (AGC) systems and hydraulic

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Improvement of Accuracy for Gauge and Elongation Control ...

simulator was expanded to the AGC for a single-stand cold rolling mill and the automatic elongation control (AEC) for a skin pass mill, and these applications led to studies of product dimension control (thickness and elongation) for various other sheet rolling mills of the company. As a result of the studies, a technique to automatically identify

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Hot Rolling Mill Hydraulic Gap Control (HGC) thickness ...

There is a growing demand for high accuracy in thickness control in metal rolling area. If the required accuracy of hot rolling mills can be achieved, then in some cases, cold rolling is not even required, which can result in a radical decrease of production costs. The schematic structure of a typical aluminum hot reversing rolling mill can be

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Table 1 from Strip Thickness Control of Cold Rolling Mill ...

In rolling mill, the accuracy and quality of the strip exit thickness are very important factors. To realize high accuracy in the strip exit thickness, the Automatic Gauge Control (AGC) system is used. Because of roll eccentricity in backup rolls, the exit thickness deviates periodically.

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Technological control for cold rolling processes

ControlIT for Cold Rolling Mills Technological control for cold rolling processes Rolling of flat metal products is a complex proc-ess where the quality of the product is influenced by various factors like incoming material, me-chanical and electrical equipment, lubrication, control strategies etc. The significant quality parameters are: material

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pdf agc control for 20hi cold rolling mill

Products Inquiry pdf agc control for 20hi cold rolling mill. Quality Cold Rolling Mill Rolling Mill Machines . Wuxi Wuye Heavy Industry Machinery Co. LTD is best Cold Rolling Mill Rolling Mill Machines and Tandem Rolling Mill supplier we has good quality products service from China.

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COLD ROLLING TECHNOLOGY SOLUTIONS FOR COLD

TANDEM COLD ROLLING MILLS Production capacities of tandem cold mills using coil-to-coil operation are typically in the range of 600,000 to 1,000,000 t/year. Today, many of the existing batch mills are extended and modernized to continuous mode operation, and new mills are installed for continuous operation right from the start.

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A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING

on wear is another issue. Stresses from Hertzian pressure in 4-high cold mill back up rolls were measured years ago, the results were never published, but of high interest - also, maybe later. K. H. Schröder July 2003 K. H. Schröder: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File: SCHROEDER_ROLLS_010703.DOC

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

Nov 12, 2013  types of Automatic Gauge Control (AGC) methods have been developed for hot or cold mill processes. The Brit-ish Iron and SteelResearch Association (B1SRA) AGC method based on the gaug meter principle and the feede forward AGC method using the delivery time of the strip have been widely utilized in steel rolling mills [3].

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METALS Improving quality and cost-efficiency in cold ...

Control (AGC) and the threading strategy. ... mass flow control concept, high control accuracy can be achieved, clearly enhancing concepts of thickness feedback and thickness feed forward relating to product quality. ... in a cold rolling mill 1 Speed sensor 2 Thickness gauge

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Technological control for cold rolling processes

ControlIT for Cold Rolling Mills Technological control for cold rolling processes Rolling of flat metal products is a complex proc-ess where the quality of the product is influenced by various factors like incoming material, me-chanical and electrical equipment, lubrication, control strategies etc. The significant quality parameters are: material

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adaptive_agc_control First Control Systems AB

Improved AGC Control using adaptive technique in Cold Rolling Mill (pdf 616kB) Self-tuning control in Cold Rolling Mills The major difficulty in strip thickness control is the high speed combined with changing strip qaulities and the high accuracy that is required.

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Research and design of hydraulic AGC system model of cold ...

High-precision suppression technology for the cold rolling mill control precision of hydraulic AGC system is put forward higher requirements. On the basis of related theory introduction, the ...

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COLD ROLLING TECHNOLOGY SOLUTIONS FOR COLD

TANDEM COLD ROLLING MILLS Production capacities of tandem cold mills using coil-to-coil operation are typically in the range of 600,000 to 1,000,000 t/year. Today, many of the existing batch mills are extended and modernized to continuous mode operation, and new mills are installed for continuous operation right from the start.

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Automatic Gauge Control in Rolling Process Based on ...

Automatic rolling process is a high-speed system which always requires high-speed control and communication capabilities. Meanwhile, it is also a typical complex electromechanical system; distributed control has become the mainstream of computer control system for rolling mill. Generally, the control system adopts the 2-level control structure#x2014;basic automation (Level 1) and process ...

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pdf agc control for 20hi cold rolling mill

Cold Rolling Mill AGC Hydraulic 6 Hi Cold Rolling. Service Online; MetalsMaster AGC Automatic Guage Control. o Cold mills can use Gap or Load AGC with available hydraulic gap control (HGC) and speed optimization Controllers are automatically adapted to changes in alloy width thickness and hardness Hydraulic Gap Control foil mills . Service Online

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A BASIC UNDERSTANDING OF THE MECHANICS OF

on wear is another issue. Stresses from Hertzian pressure in 4-high cold mill back up rolls were measured years ago, the results were never published, but of high interest - also, maybe later. K. H. Schröder July 2003 K. H. Schröder: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File: SCHROEDER_ROLLS_010703.DOC

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AGC - SlideShare

Jan 26, 2015  Usually Cold Rolling is done at ambient temperature. Cold rolling is a process of reducing thickness of metallic strips by passingCold rolling is a process of reducing thickness of metallic strips by passing it through rolling mill. The rolling mill consists mainly of rolls drives, bearings, mill-springit through rolling mill.

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High Quality 4- Hi Reversible AGC Cold Rolling Mill ...

Features and Applications1.Suitable for mild steel,stainless steel and special steel.2.Transmission method:working rolle..About High Quality 4- Hi Reversible AGC Cold Rolling Mill FOB price, Payment, OEM information, Rolling Mill from china on topchinasupplier.

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4 High Reversing Cold Rolling Mill LUSOSIDER Paio Pires ...

4 High Reversing Cold Rolling Mill LUSOSIDER - Paio Pires (Portugal) Scope of Supply After-Sales Services - Hotline - Spare parts in 24 hours ... - Automatic thickness control AGC - Hydraulic gap control HGC - Mill drives control - Supply of thyristor converters for DC motors -

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Rolling Mill - an overview ScienceDirect Topics

P. Montmitonnet, in Encyclopedia of Materials: Science and Technology, 2001 2.4 Automatic Control and Modeling. Modern rolling mills, and specially cold tandem mills with high productivity, are equipped with a number of transducers participating in automatic control systems: rolling force (on exception rolling torques), strip tensions between stands, average gauge and thickness profile at exit ...

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Optimizing Strip Speed Measurement for Mass Flow-AGC ...

One of the 4-High rolling mills is a reversing mill so the strip could be moving in either direction. Figure 8a is a schematic of the mill configuration while Figs 8b and 8c show the Polytec LSV sensor installations at 4-High rolling mill 1: Fig 8a: Schematic of 4-High rolling mill

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Research and design of hydraulic AGC system model of cold ...

High-precision suppression technology for the cold rolling mill control precision of hydraulic AGC system is put forward higher requirements. On the basis of related theory introduction, the ...

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Optimizing Strip Speed Measurement for Mass Flow-AGC ...

One of the 4-High rolling mills is a reversing mill so the strip could be moving in either direction. Figure 8a is a schematic of the mill configuration while Figs 8b and 8c show the Polytec LSV sensor installations at 4-High rolling mill 1: Fig 8a: Schematic of 4-High rolling mill

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Selection of Work Roll Diameter for Cold Rolling Mill*

rolling equipment and operation techniques in cold rolling, such as the advent of the fully continuous mill, new techniques for automatic gauge control especially in threading, the rolling of high tensile strength steel, effective shape control devices, energy saving in rolling, reducing production

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

In rolling mill, the accuracy and quality of the strip exit thickness are very important factors. To realize high accuracy in the strip exit thickness, the Automatic Gauge Control (AGC) system is used. Because of roll eccentricity in backup rolls, the exit thickness deviates periodically. In this paper, we design PI controller in outer loop for the strip exit thickness while PD controller is ...

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COLD ROLLING TECHNOLOGY SOLUTIONS FOR COLD

TANDEM COLD ROLLING MILLS Production capacities of tandem cold mills using coil-to-coil operation are typically in the range of 600,000 to 1,000,000 t/year. Today, many of the existing batch mills are extended and modernized to continuous mode operation, and new mills are installed for continuous operation right from the start.

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Research on Cascade Predictive Control in Hydraulic AGC of ...

Menghui and his colleagues [3] in 2007 in research about control in hydraulic AGC of cold rolling mill used the cascade predictive control by the combination of PID control for the HAGC and ...

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A BASIC UNDERSTANDING OF THE MECHANICS OF

on wear is another issue. Stresses from Hertzian pressure in 4-high cold mill back up rolls were measured years ago, the results were never published, but of high interest - also, maybe later. K. H. Schröder July 2003 K. H. Schröder: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File: SCHROEDER_ROLLS_010703.DOC

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SOLUTIONS FOR ALUMINIUM ROLLING MILLS TECHNOLOGY ...

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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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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Quality Cold Rolling Mill Rolling Mill Machines Manufacturer

Cold Rolling Mill. AGC Hydraulic 6 Hi Cold Rolling Mill 700mm Carbon Steel 390m / min Speed. Automatic Cold Reversible Rolling Mill 4 Hi 650mm AGC Screw Down Type. Rigid 20 High Cold Rolling Mill Machinery , High Precision Stainless Steel Rolling Mill. Temper Rolling Mill. Hardened Temper Rolling Mill Four Roller For Carbon Steel High Elasticity

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Advanced Soft Sensor Technology to be Used for Cold ...

cold rolling mill. Modern AGC are based on more or less complex mathematical models of the rolling process. The modelling and consequently the related control qual-ity are strongly dependent on reliable and precise measurement of exploited variables. As an example, the so called mass-flow control based on a simple rela-

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MetalsMaster AGC Automatic Guage Control

high-speed data loggers such as IBA Experion MetalsMaster™ systems are designed for high-performance automation of aluminum rolling mills. Honeywell has combined entry and exit thickness measurements, Automatic Gauge Control (AGC), Hydraulic Gap Control (HGC), Online Alloy Compensation, Mass Flow Control (MFC) and other enhancements such as roll

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Siemens AGC Controled 4 High, 6 High 8hi Cold Rolling Mill ...

Bulkbuy Siemens AGC Controled 4 High, 6 High 8hi Cold Rolling Mill Slitting Line price comparison, get China Siemens AGC Controled 4 High, 6 High 8hi Cold Rolling Mill Slitting Line price comparison from Cold Rolling Mill,Cold Rolling Machine manufacturers suppliers on Video Channel of

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INDAR - Reversing Cold Strip Rolling Mill ARANIA - Euba ...

DC-Motor Control Center M M M M M 900 A 380 v 3.0 00 Kva 690 V 3.000 A 4.5 Kva 690 V 3.000 A 3.000 A 3.000 A PR PR First Pass Uncoiler Entry Coiler 4-Hi Mill Stand Exit Coiler Thyr. Thyr. Thyr. Thyr. Thyr. ARANIA S.A. commissioned during the second semester of year 2000, a reversing cold rolling mill in its plant, located in Euba (Spain).

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