agc control for mill

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  • Applications: : Agc Control For Mill Agc Control For Mill Automatic Gauge Control (AGC) System Waterbury Farrel Automatic Gauge Control (AGC) Systems ensure closetolerance str

agc control for mill

  • Agc Control For Mill

    Agc Control For Mill 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 millTandem Mill AGC (ABB) John Mason T22:52:04+00:00 2 Stand Tandem Mill Process Control Scope of Supply Supplied Controls: Mill Stand Controls (HGC) Automatic gauge control (AGC) Interstand tension control (ITC) Mill sequencing; Extensive engineering tools Dynamic controller testing; Fast fault finding; Simple tuning interfaces; ABB Systems Platform AC800 PEC Controller; 800xATandem Mill AGC (ABB) – optimAl Process Technology

  • 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 1,000 meters per minute The Waterbury Farrel patented AGC monitors strip gauge and corrects any variation within milliseconds Corrections are transmitted to an accurateOnce within specification, AGC optimises the mill speed by adjustment of tension, load or gap At the end of the coil, AutoSlowdown ensures the product remains in specification for as long as possible and brings the mill to a halt with minimum amount of material left on the coil drum Target adaptive control monitors the short term product variation and adjusts the setpoint downwards, so thatAutomatic Gauge Control (AGC)/ Hydraulic Gap Control

  • AGC systems Thickness control system

    AGC – Automatic Gauge Control The highspeed servohydraulic control of the mill screwdown closes the loop: The thickness values measured precise to the micrometer form the basis for quick and precise control Vollmer offers solutions for all control concepts from simple feedback control through to complete mass flow control, skin pass control etc, supplying the complete control systemHot Mill AGC (ABB) John Mason T23:00:52+00:00 1 + 1 Hot Line – HGC / AGC Scope of Supply Reversing breakdown hot mill; Twin coiler finishing hot mill; Supplied Controls: Gap referencing for screwdown and hydraulic cylinders Hydraulic Gap Control; Automatic Gauge Control Gaugemeter; Smith predictor feedback; Spray Control; ABB Systems Platform AC800 PEC Controller; 800xAHot Mill AGC (ABB) – optimAl Process Technology

  • AGC – AUTOMATIC COLD ROLLING THICKNESS CONTROL

    The AGC (Automatic Gauge Control) is a multivariable control system, which aims to regulate the thickness of the sheet at the outlet of a cold rolling mill Our client had installed an AGC based on a computer HewlettPackard HP1000 from the 80’s, and the controlling algorithms programmed in Fortran 77 Due to technological obsolescence as well as the end of the technical support from theagc control for mill Weight approx 3000 kg Dimensions (l x w x h) approx 2500 x 1500 x 2000 mm Description For grinding of eg saw blades with a diameter of 80 to 500 mm, saw blade thickness max 5 mm, travels of the axes Waxis 40 mm, Xaxis 58 mm, Zaxis 100 mm, swivel of the Eaxis 255°, working speed approx 20 teeth/min, grinding speed 05 to 20 mm/sec, grinding disc diameter 125agc control for mill bouwwerkendekleermaekerliekensbe

  • Hot Rolling Mill Hydraulic Gap Control (HGC) thickness

    Keywords: Hot rolling mill; AGC; Automatic Gauge Control; HGC; Hydraulic Gap Control; Mill stretch compensation; Roll eccentricity compensation; Thickness control; Adaptive; Predictive control 1 Introduction Nowadays, the competitive nature of different sectors (industry, agriculture,) depends on technological improvements [1] There is a growing demand for high accuracy in thickness12/11/2013· many control applications [2] In order to meet increasing demand for the high precision of strip thickness, various types of Automatic Gauge Control (AGC) methods have 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 feedeStrip Thickness Control of Cold Rolling Mill with Roll

  • pdf agc control for 20hi cold rolling mill

    Agc Control Forhi Cold Rolling Mill simulator was expanded to the AGC for a singlestand 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 Get Price ; Hot Rolling Mill Hydraulic Gap Control (HGC) thickness accuracy inagc cylinder rolling mill 20Hi Cold Rolling Mill AGCYouTube AEMETEC digital hydraulic cold rolled plate automatic gauge control (AGC) system is a huge technical innovation in the field of steel rolling it is the development of China s steel rolling Service Online; Improvement of Accuracy for Gauge and Elongation simulator waspdf agc control for 20hi cold rolling mill

  • AGC – AUTOMATIC COLD ROLLING THICKNESS CONTROL

    The AGC (Automatic Gauge Control) is a multivariable control system, which aims to regulate the thickness of the sheet at the outlet of a cold rolling mill Our client had installed an AGC based on a computer HewlettPackard HP1000 from the 80’s, and the controlling algorithms programmed in Fortran 77 Due to technological obsolescence as well as the end of the technical support from theOnce within specification, AGC optimises the mill speed by adjustment of tension, load or gap At the end of the coil, AutoSlowdown ensures the product remains in specification for as long as possible and brings the mill to a halt with minimum amount of material left on the coil drum Target adaptive control monitors the short term product variation and adjusts the setpoint downwards, so thatAutomatic Gauge Control (AGC)/ Hydraulic Gap Control

  • Rolling Mill Automatic Flatness Control (AFC) – TelePro, Inc

    The AFC functions are typically performed in the same PCbased computer system hardware used to implement the automatic gauge control (AGC), interstand tension control (ITC) and mill setup models The following schematic diagram shows the overall layout of the AFC system for a 4high mill with CVC work roll side shiftingThe brain of our AGC system is an advanced Digital Signal Processor (DSP) motion control processor Powered by an 80MHz Motorola DSP56303 processor, the DSP performs all AGC calculations providing critical analog and digital interfaces to the rolling mill The DSP processor rack is connected directly to a host computer via USB or industrial Ethernet interface And because our AGC program runsAutomatic Gauge Control System | Walco

  • AGC – MINO Process Control

    Mill spring acquisition; Roll eccentricity control (REC) Model based predictive AGC feedback control; Model based predictive AGC feedforward control; Model based predictive AGC massflow control; AGC gaugementer control; AGC elongation control; AGC spillover for foil rolling (eg Tension – Speed) Force threading for gap modes ; Threading force protection; Reduced force mode; Tailout forceAGC (Automatic Gauge Control) Roll force cylinders welded bronze guide in cylinder Roll force cylinders operate in the tough environment of steel mills, used in the manufacture of sheet and bar stock Smooth and efficient operation of these cylinders is of utmost importance together with reliability and long life At the initial design phase the focus is on a very robust design incorporatingHUNGER Hydraulics USA: AGC (Automatic Gauge Control

  • Strip Thickness Control of Cold Rolling Mill with Roll

    12/11/2013· many control applications [2] In order to meet increasing demand for the high precision of strip thickness, various types of Automatic Gauge Control (AGC) methods have 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 feedematic gauge control (AGC) simulator for a tandem cold mill was developed at the time of the construction of New Cold Rolling Mill Plant of Yawata Works, Nippon Steel Corporation for the development studies of a new AGC system Then, application of the AGC simulator was expanded to the AGC for a singlestand cold rolling mill and the automatic elongation control (AEC) for a skin pass mill,Improvement of Accuracy for Gauge and Elongation Control

  • AGC systems Thickness control system

    AGC – Automatic Gauge Control The highspeed servohydraulic control of the mill screwdown closes the loop: The thickness values measured precise to the micrometer form the basis for quick and precise control Vollmer offers solutions for all control concepts from simple feedback control through to complete mass flow control, skin pass control etc, supplying the complete control systemThe invention provides a rolling mill AGC control system which comprises a feedforward control device, a feedback control device, a secondflow control device and a hydraulic executing device, wherein the feedforward control device, the feedback control device and the secondflow control device are respectively communicated with the hydraulic executing device; an inlet thickness testerCNA Rolling mill AGC control system

  • Thickness Control AGC – HS Otomasyon

    Thickness Control AGC The highspeed servohydraulic control of the mill screwdown closes the loop: The thickness values measured precise to the micrometre form the basis for quick and precise controlThe invention discloses a hydraulic AGC system of a rolling mill, and a control method thereof, and the system is connected to be formed in a manner of double closed loop of an innerouter loop that is combined by an outer closed loop and an inner single closed loop A thickness measuring device is taken as a feedback element, a deviation signal of the feedback value of the thickness measuringCNA Rolling mill hydraulic AGC system and

  • Study on AGC Control System of 300 Reversible Cold

    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 algorithmExamples of selftuning AGC control Below we show two recordings of selftuning strip thickness control in the new Hitachi mill at Outokumpu Stainless in Sweden The recordings are made using the Replay package in the FirstOpNet client Thin strip 0200 mm The exit thickness is kept within 06um throughout the strip Some large disturbances are removed by mainly selftuningadaptiveagccontrol | First Control Systems AB

  • Rolling Mill Automatic Flatness Control (AFC) – TelePro,

    The AFC functions are typically performed in the same PCbased computer system hardware used to implement the automatic gauge control (AGC), interstand tension control (ITC) and mill setup models The following schematic diagram shows the overall layout of the AFC system for a 4high mill with CVC work roll side shifting01/01/1983· It is known from literature and from operating experience at Hoogovens IJmuiden that an AGC screwdown runaway can occur when the AGC mill modulus differs too much from the actual mill modulus The condition to prevent screwdown runaway is derived using a simple control model of one stand with AGC The presented considerations have led to a full scale trial at Hoogovens hot strip millStability and Accuracy of AgcSystems in Hot Strip Mills

  • AGC – MINO Process Control

    Mill spring acquisition; Roll eccentricity control (REC) Model based predictive AGC feedback control; Model based predictive AGC feedforward control; Model based predictive AGC massflow control; AGC gaugementer control; AGC elongation control; AGC spillover for foil rolling (eg Tension – Speed) Force threading for gap modes ; Threading force protection; Reduced force mode; Tailout forceagc cylinder rolling mill 20Hi Cold Rolling Mill AGCYouTube AEMETEC digital hydraulic cold rolled plate automatic gauge control (AGC) system is a huge technical innovation in the field of steel rolling it is the development of China s steel rolling Service Online; Improvement of Accuracy for Gauge and Elongation simulator waspdf agc control for 20hi cold rolling mill