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application of an agc in hot strip rolling mills

application of an agc in hot strip rolling mills

Request PDF Improvement and Application of Automatic Gauge Control System in Hot Strip Rolling Mills Mill Modulus Control MMC is one of important methods on Automatic Gauge Control AGC

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Research on application of Smith predictor to monitor AGC
Research on application of Smith predictor to monitor AGC

Research on application of Smith predictor to monitor AGC in hot strip rolling mills

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Main Features of a modern Hot Strip Mill – IspatGuru
Main Features of a modern Hot Strip Mill – IspatGuru

Dec 22 2013 · Main Features of a modern Hot Strip Mill satyendra December 22 2013 0 Comments AGC coiler HGC AWC Coil box Reheating furnace Main Features of a modern Hot Strip Mill The objective of a hot strip mill HSM is to reheat and roll thick slabs into thin strip

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Optimizing Strip Speed Measurement for Mass Flow
Optimizing Strip Speed Measurement for Mass Flow

The application at each roll mill required a set of two LSV’s one located on either side of the mill The combination measures strip entry and exit speed for determining elongation or for mass flow calculations One of the 4High rolling mills is a reversing mill so the strip could be moving in either direction

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Coupling vibration model for hot rolling mills and its
Coupling vibration model for hot rolling mills and its

C OUPLING VIBRATION MODEL FOR HOT ROLLING MILLS AND ITS APPLICATION JIMIN W U X IAOQIANG Y AN 1796 JOURNAL OF V IBROENGINEERINGN OVEMBER 2019 V OLUME 21 ISSUE 7 abovementioned mathematic models include only mechanical and interfacial subsystems and give no considerations to the hydr aulic and the electrical subsystems

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Hot Rolling Mill Hydraulic Gap Control HGC thickness
Hot Rolling Mill Hydraulic Gap Control HGC thickness

P Kucsera et al Hot Rolling Mill HGC Thickness Control Improvement – 98 – Another way to determine the thermal expansion of the work roll is the modelling of the heat transfer between the work rolls and the strip This depends on the roll speed strip thickness the properties of the strip roll gap contact time and cooling parameters

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Automatic Gauge Control in Rolling Process Based on
Automatic Gauge Control in Rolling Process Based on

In practical AGC thickness control process two main factors will lead to the uncertain time delay for controlled system One is the certain distance between the thickness gauge and rolling gap of each stand and the other is the essentially existing time delay in network transmission

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Automatic Gauge Control AGC System  Waterbury Farrel
Automatic Gauge Control AGC System Waterbury Farrel

Automatic Gauge Control AGC System Waterbury Farrel Automatic Gauge Control AGC Systems ensure closetolerance strip at the push of a button The system automatically maintains extremely tight gauge tolerances as the strip passes through the mill at up to 1000 meters per minute

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SOLUTIONS FOR ALUMINIUM ROLLING MILLS
SOLUTIONS FOR ALUMINIUM ROLLING MILLS

Thinstrip mills of 4high design allow for a finishing capacity on light gauges of down to around 002 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 30000 tonnes per year MAIN BENEFITS • To ensure an accurate mill setup our cold rolling mills are

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Applications in the Steel Mill  Industry Application
Applications in the Steel Mill Industry Application

Applications in the Steel Mill Tsubaki provides the best solutions for steelmaking equipmentApplications in the Pig Iron Plant Hot Strip Cold Rolling Mill Product Yard Steelmaking Pig Iron Plant Here the hot metal from the blast furnace is decarbonized to form molten steel Afterwards the molten steel is sent to the continuous

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Rolling Mill Applications  Global Gauge Corporation
Rolling Mill Applications Global Gauge Corporation

Hot Strip Mills Global Gauge has installed hot strip mill thickness gauges all across the world By investing in a Global Gauge thickness gauge upstream in the rolling process our customers are able to maximize quality and improve process certainty

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rolling operation or roll mill its types and application
rolling operation or roll mill its types and application

tandem rolling mill or continuous rolling mill tandem rolling mill process It is a modern rolling mills and the rolling is done by one pass The rolling is done in several passes for traditional several stands and reduction that take place successive roll The number of stands like as 2 to 18 Those are either hot or cold rolling mill types

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Algorithm design and application of novel GMAGC based
Algorithm design and application of novel GMAGC based

Mar 16 2014 · The novel GMAGC system has been applied successfully in a hot strip mill the application results show that the thickness control precision is improved significantly with the novel GMAGC system over 986 of the strip thickness deviation of 30 mm class can be controlled within the target tolerances of ±20 μm

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Research on Mill Modulus Control of Strip Rolling AGC
Research on Mill Modulus Control of Strip Rolling AGC

Abstract Recently the accuracy of hot strip gauge is strictly demanded and the strip thickness becomes the most important quality in hot strip rolling 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

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Flatness Control System for Hot Strip Mills  ScienceDirect
Flatness Control System for Hot Strip Mills ScienceDirect

Flatnes Control System for Hot Strip Mills Effect on Automatic Gauge Control Automatic gauge control AGC of final stand of finishing mill had not been used before flatness control was developed The main reason is that when AGC of final stand is activated the variation in rolling force injures flatness of the strip

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Coupling vibration model for hot rolling mills and its
Coupling vibration model for hot rolling mills and its

In this paper we propose an effective mechanicalelectricalhydraulicinterfacial coupling vibration model for hot rolling mills and obtain a practical measure to relieve mill vibration First an experiment related to mill modulus control gain in automatic gauge control AGC is carried out during manufacturing Rolling mill vibration is observed to gradually be enhanced with increasing mill

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Improvement and application of Automatic Gauge Control
Improvement and application of Automatic Gauge Control

Mill Modulus Control MMC is one of important methods on Automatic Gauge Control AGC systems of strip rolling mills It would result in a slower adjusting speed of strip rolling gap to combine the former AGC system and MMC simply without changing the compensating coefficient of rolling efficiency which was deduced in detail by some inferential reasoning formulas A new compensating

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Rolling Mill Applications  Global Gauge Corporation
Rolling Mill Applications Global Gauge Corporation

Hot Strip Mills Global Gauge has installed hot strip mill thickness gauges all across the world By investing in a Global Gauge thickness gauge upstream in the rolling process our customers are able to maximize quality and improve process certainty

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Hot Strip Mill  an overview  ScienceDirect Topics
Hot Strip Mill an overview ScienceDirect Topics

John G Lenard in Primer on Flat Rolling Second Edition 2014 35 Friction and Wear Work rolls in hot strip mills wear due to friction between the roll surface and hot strip Backup rolls wear as well but under pressure with elastic deformation the friction is much less except for the high work roll roughness in the last stand of a sheet rolling tandem cold mill

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SOLUTIONS FOR ALUMINIUM ROLLING MILLS
SOLUTIONS FOR ALUMINIUM ROLLING MILLS

Thinstrip mills of 4high design allow for a finishing capacity on light gauges of down to around 002 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 30000 tonnes per year MAIN BENEFITS • To ensure an accurate mill setup our cold rolling mills are

More Details
Highest performing Hot Strip Mills  Primetals Technologies
Highest performing Hot Strip Mills Primetals Technologies

HOT STRIP MILL HIGHEST PERFORMANCE FOR NEW AND EXISTING STEEL MILLS The demand for hot rolled strip is growing in multiple ways To remain competitive new and existing mills must meet this challenge in the best possible way The production of hot strip is a

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A BASIC UNDERSTANDING OF THE MECHANICS OF
A BASIC UNDERSTANDING OF THE MECHANICS OF

Secondary scale on hot strip and the impact on wear is another issue Stresses from Hertzian pressure in 4high 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

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Steel Mill applications
Steel Mill applications

Over the years our steel mill applications has covered the whole steel making production line from ship unloader sintering machine coke ovens torpedo cars blast furnaces BOF basic oxygen furnaces EAF electric arc furnaces continuous casting machines furnaces hot strip mills plate mills rolling mills roughing stands finishing

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Applications in the Steel Mill  Industry Application
Applications in the Steel Mill Industry Application

Applications in the Steel Mill Tsubaki provides the best solutions for steelmaking equipmentApplications in the Pig Iron Plant Hot Strip Cold Rolling Mill Product Yard Steelmaking Pig Iron Plant Here the hot metal from the blast furnace is decarbonized to form molten steel Afterwards the molten steel is sent to the continuous

More Details
Automatic Gauge Control AGC System  Waterbury Farrel
Automatic Gauge Control AGC System Waterbury Farrel

Automatic Gauge Control AGC System Waterbury Farrel Automatic Gauge Control AGC Systems ensure closetolerance strip at the push of a button The system automatically maintains extremely tight gauge tolerances as the strip passes through the mill at up to 1000 meters per minute

More Details
An Expert PI Controller with Dead Time Compensation of
An Expert PI Controller with Dead Time Compensation of

Thickness precision is one of the most important quality indexes in strip rolling process 2 3Monitor automatic gauge control AGC based on hydraulic roll gap control system is widely used in modern strip rolling mills 4–7In monitor AGC system gauge meter is used to measure strip gauge derivation which is installed at the delivery side of the finishing mill

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Research and Application on Spring Model of Hot Strip Mill
Research and Application on Spring Model of Hot Strip Mill

Spring model is important restrictive factors to improve the precision of AGC control system To improve the accuracy of strip gauge control Study on various influencing factors of spring model has important significance in rolling process Therefore using ABAQUS finite element software this paper establishes the whole stand model of strip rolling

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Development and Application of Hot Rolling Lubrication
Development and Application of Hot Rolling Lubrication

To integrate a new roll gap lubrication system into an existing hot strip mill is a challenge problem A lubrication expert system was developed and embedded into finish rolling setup system The reference value setup by expert system is downloaded to roll bite lubrication PLC via finish mill PLC to open oil spraying valve and regulate the oil concentration

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Optimizing Strip Speed Measurement for Mass Flow
Optimizing Strip Speed Measurement for Mass Flow

The application at each roll mill required a set of two LSV’s one located on either side of the mill The combination measures strip entry and exit speed for determining elongation or for mass flow calculations One of the 4High rolling mills is a reversing mill so the strip could be moving in either direction

More Details
Optimizing Strip Speed Measurement for AGCMass
Optimizing Strip Speed Measurement for AGCMass

4high rolling mills used for reduction and skinpass at its Hagen Germany location In this case each mill utimeasurement The application at each roll mill required a set of two LSVs one located on either side of the mill The combination measures strip entry and exit speed for determining elongation or for mass flow calculations

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Automatic Gauge Control under Laterally Asymmetric Rolling
Automatic Gauge Control under Laterally Asymmetric Rolling

The most common and well proven control strategy for thickness control in industrial rolling mills is the automatic gauge controller AGC However it is still unclear how to use AGC for the control of asymmetries in lateral direction How should the controller react to different thickness estimations at both sides of the mill Such laterally asymmetric rolling conditions may originate from

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Technical Review UDC 621  771  621  783  621  892
Technical Review UDC 621 771 621 783 621 892

continuous processing for cold strip rolling 22 Development of endless hot strip rolling When rolling steel sheets on hot strip mills to avoid a temperature drop in the rolled material it is necessary to pass it through finishing mill stands at high speeds which makes the rolling of the head and

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Rolling Technology and Theory for the Last 100 Years The
Rolling Technology and Theory for the Last 100 Years The

Furthermore the abovementioned HC rolling mill was applied to the continuous hot strip rolling mills at first in the world and came to be able to control the crown–shape of the strip freely Afterwards a lot of the continuation technologies came to be put to practical use in the hot strip rolling process

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Control of Strip Tension in a Rolling Mill Based on
Control of Strip Tension in a Rolling Mill Based on

In the metals industry tandem hot strip rolling mills are used for rolling out thick semi nished products eg slabs to thinner at products The product which is often referred to as strip is clamped in each mill stand of the rolling mill train cf Fig 1 As longitudinal tensile stresses in the strip have a signi cant in uence on the

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Designing of Hot Strip Rolling Mill Control System
Designing of Hot Strip Rolling Mill Control System

In most modem hot rolling procedure the strips are coiled up in continuity.Coiling is the last key production step in hot rolling procedure which is done by the coilers The coilers are indispensable important equipment in hot strip rolling line Their main task is to coil the strip out of the finishing mill and then transport to the next

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Rolling Mills for Steel Strip
Rolling Mills for Steel Strip

Typical processing strip thickness 015 to 8 mm Typical coil weight 5 to 15 Ton Skin Pass Mills Four High unidirectional Skin Pass Mills INCO manufacture either skin pass mills for Hot Rolled black material or for Cold Rolled or Galvanized material Mills can be complete or be installed in continuous treatment line Strip width up to 1800 mm

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Highest performing Hot Strip Mills  Primetals Technologies
Highest performing Hot Strip Mills Primetals Technologies

HOT STRIP MILL HIGHEST PERFORMANCE FOR NEW AND EXISTING STEEL MILLS The demand for hot rolled strip is growing in multiple ways To remain competitive new and existing mills must meet this challenge in the best possible way The production of hot strip is a

More Details
A BASIC UNDERSTANDING OF THE MECHANICS OF
A BASIC UNDERSTANDING OF THE MECHANICS OF

Secondary scale on hot strip and the impact on wear is another issue Stresses from Hertzian pressure in 4high 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

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Application  Proxitron
Application Proxitron

Contactfree measurement of the temperature in steel and hot rolling mills and in metal working Cableway Station platform system Finishing and coiler area Hot strip mill sheet mills and blooming train Transport logistics and storage systems in the steel mill Rolling mill for long products Production of fine sections and steel wire

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Development of HILS simulator for steering control in hot
Development of HILS simulator for steering control in hot

In this paper hardwareinthe loopsimulationHILS simulator for steering control is developed The simulator describes lateral movement of the strip in hot strip finishing mill The simulator include strip dynamics mill model mill motor and AGC controllers The factors considered for strip dynamics are initial offcenter and wedge difference

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