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application of an agc in hot strip rolling mills

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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  • 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

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

    SB Tan MW Bao and JC Liu “Research on application of smith predictor to monitor AGC in hot strip rolling mills” in Proceedings of the Chinese Control and Decision Conference CCDC 09 pp 4172–4175 Guilin China June 2009 View at Publisher Site Google Scholar

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

    been developed for hot or cold mill processes The British 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 Strip products thickness precision is an important quality parameter

  • 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

  • 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

  • Automatic Gauge Control AGC  Waterbury Farrel
    Automatic Gauge Control AGC Waterbury Farrel

    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 The Waterbury Farrel patented AGC monitors strip gauge and corrects any variation within milliseconds

  • 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

  • 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

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

    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 Fig 7 Improvement of gauge accuracy through application of absolute mode AGC Fig 8 Result of automatic crown setup control

  • 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

  • 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 which has some negative effect on the control of strip thickness so the monitor AGC was not a control system in time rolling mills strip gauge precision Smith predictor hot strip rolling mills finishing mill xray thickness gauge AGC system

  • Monitor automatic gauge control strategy with a Smith
    Monitor automatic gauge control strategy with a Smith

    The optimized AGC system was applied successfully in a hot strip mill and the practical application showed that the thickness of the strip steels with the specification of 35 mm was controlled

  • Hot Rolling Mills  TMEIC
    Hot Rolling Mills TMEIC

    Hot rolling mills roll heated steel stainless and aluminum slabs to make hot strip with a thickness of a few millimeters to over ten millimeters Hot coils are shipped as they are or moved to another operation and processed to cold rolled sheet coated steel sheet or steel pipe Products are used in various applications such as for

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

    been developed for hot or cold mill processes The British 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 Strip products thickness precision is an important quality parameter

  • 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

  • Rolling Process Working Application Defects Type of
    Rolling Process Working Application Defects Type of

    There are certain types of the rolling process whereas in the hot rolling process the metal is heated at its desirable temperature when the metal is properly heated then the metal should be passed between the one or more rolling mills to gain the proper desirable shape This process is vastly used in respect of any other rolling process

  • Application of predicted extrapolation control strategy in
    Application of predicted extrapolation control strategy in

    Because conventional PID controller is difficult to solve the pure lag problem so the technology of monitor AGC caused in hot strip rolling mills the control strategy of predicted extrapolation data processing algorithm is put forward It figures out stability and dynamic nature of system that the pure lag and programmed algorithm induce

  • Tandem Rolling Process  Total Materia Article
    Tandem Rolling Process Total Materia Article

    A typical five stand tandem cold rolling mill is illustrated in Figure 1 Figure 1 A typical five stand tandem cold rolling mill The tandem rolling mill consists of several stands that the work material constantly passes through At each stand the thickness of the work strip is reduced a certain amount

  • Steel Mill applications  Brant Hydraulics
    Steel Mill applications Brant Hydraulics

    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

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

    The stainless steel type exhibits corrosion resistance in hot environments such as in direct contact with water or in steamy atmospheres A special surface treated type is also available A special treatment is applied to the plate and connecting pins to stop corrosion in its tracks improving durability and reducing replacement frequency

  • 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

  • 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

  • Hot Strip Mills – ASKO Inc
    Hot Strip Mills – ASKO Inc

    ROLLING MILLS Flat Product Mills – Hot Strip Mills ASKO manufactures knives for all types of hot strip mills including Conventional multistand Compact Mini Steckel ASKO manufactures straight curved and vector knives for continuous tandem pendulum rotary drum

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

    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 key element of steel production Since close to half of all steel produced is hotrolled to strip mills require maximum throughput and availability

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

    Technology of the Full Continuous Hot Strip Rolling As described above in 1996 the endless hot strip mill was operated ahead of the world in the third hot rolling factory at Chiba steelworks of Kawasaki steel company 105 In this facility a rough bar is joined in front of a finishing mill train in which it is rolled consecutively without a

  • Hot Rolling Mills  TMEIC
    Hot Rolling Mills TMEIC

    Hot rolling mills roll heated steel stainless and aluminum slabs to make hot strip with a thickness of a few millimeters to over ten millimeters Hot coils are shipped as they are or moved to another operation and processed to cold rolled sheet coated steel sheet or steel pipe Products are used in various applications such as for

  • 75 1900mm Mesta Hot Strip Mill  Galaxie Corporation
    75 1900mm Mesta Hot Strip Mill Galaxie Corporation

    75 1900mm Mesta Hot Strip Mill You are here Home Summary Rolling Mills 4 High Rolling Mill Hydraulic AGC Screw Downs Work Rolls 650mm 520mm Diameter x 2050 BackUp Rolls 1650mm 1120mm x 2050mm 2 x 5000 HP Motors on Each Stand

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