Study on Hot Rolling Strip of New Steel1580Automatic ...
Mainly AGC mathematical modelanalysis of control characteristics including Mill bounce equation, roll gapcompensation, the oil film compensating, tension loss compensation, backup rolleccentricity compensation and so on. Study on various factors of AGC control aboutthickness changes in the process.
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Shape and Gauge Control of Strip in a Cold Rolling Mill ...
The flatness control in cold rolling mill is carried out through automatic flatness control (AFC). The control tasks which are to be achieved in the Level 1 closed-loop control for cold rolling mill concerns not only the thickness (AGC) but also the flatness (AFC).
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Improved AGC Control-2
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 12-high Mitsubishi cold rolling mill and an old Sendzimir mill. The improvements with self-adaptive control methods compared to conventional AGC control can be judge to at least
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Strip Thickness Control of Cold Rolling Mill with Roll ...
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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An Expert PI Controller with Dead Time Compensation of ...
Monitor automatic gauge control (AGC) based on hydraulic roll gap control system is widely used in modern strip rolling mills [4-7]. In monitor AGC system, gauge meter is used to measure strip gauge derivation, which is installed at the delivery side of the finishing mill. The strip thickness can be controlled by adjusting the roll gap.
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MetalsMaster AGC Automatic Guage Control
optimization and control parameters, quality data, control mode selection and fault conditions and diagnostics. Enhanced Visibility Real-time, intuitive human-machine interface (HMI) provides instant visibility into mill operating state, AGC and AFC performance, trends, alarms and process information so your operators know what's
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Cold Rolling Mill Automation System – Detailed Case …
The AGC and ITC systems were implemented in the Reliance Automax mill drive controllers. Hydraulic gap control (HGC) and work roll bending pressure regulation were performed by discrete hardware with target reference generation by the mill drive controllers.
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Measured mill stretch characteristic | Download Scientific ...
Automated gauge control (AGC) system has taken a wide area of the recent studies that deals with hot and cold rolling mill. These studies had concentrated to improve the …
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AGC(ENG)--_
The AGC system includes the following functions. (1) Absolute gage meter AGC ( ABS-GM-AGC ) (2) Mill Modulus Control ( MMC ) (3) Lock-on gage meter AGC (LKON-GM-AGC) (4) Monitor AGC (M-AGC) a) Integral type b) Smith's compensation (5) Load redistribution control (6) Gap compensation a) Mill stretch calculation b) Oil film compensation of back ...
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CN202271156U - Auto gauge control (AGC) hydraulic servo ...
AGC hydraulic servo cylinder weight is bigger, is installed in mill housing crossbeam bottom, for depressing form; Built-in pressure magnetic appearance is installed on the servoBcylinder.When changing the AGC hydraulic servo cylinder, need hang the hydraulic cylinder pull bar, and press pull bar, AGC servoBcylinder and pressure magnetic appearance are extruded the cylinder …
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Construction sector sees record number of job openings in ...
Construction employment increased by 31,000 jobs between October and November as nonresidential construction firms added workers for the third month in a row, according to an analysis by the Associated General Contractors of America (AGC) of government data released Dec. 3.. According to association officials, construction firms were …
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Decoupling control of automatic gauge control system in ...
Abstract: It's possible for different kinds of automatic gauge control (AGC) systems working simultaneously to impact and disturb each other while adjusting their moving directions. In order to implement a decoupling control, we modified the parameters and structure of the AGC system in a hot rolling mill. As a result, it was proved that theoretically, gauge …
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4-Hi Rolling Mill from Xi'an Hani New Energy and ...
AGC 4-hi rolling mill control accuracy, especially suitable for high precision cold-rolled strip production. 4. Suitable for common carbon steel, stainless steel, rolled steel, special aluminum or copper tape strip etc.. Please Feel free to give your inquiry in the form below. We will reply you in 24 hours. Cancel reply
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AGC - SlideShare
The control structure in the AGC system is shown belowThe control structure in the AGC system is shown below 20. .. Roll gap preset functionRoll gap preset function First Control has also added a special roll gap setup function basedFirst Control has also added a special roll gap setup function based on an on-line learning network.
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4HI Cold Rolling Mill with AGC - YouTube
Video of a 4HI Cold Rolling Mill with Automatic Gauge Control, commissioned by MNC
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Research on Mill Modulus Control of Strip Rolling AGC ...
The novel GM-AGC system has been applied successfully in a hot strip mill, the application results show that the thickness control precision is improved significantly, with the …
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Hot Rolling Mill Hydraulic Gap Control (HGC) thickness ...
2 AGC Control Tasks The rolling accuracy mainly depends on the automated gauge control (AGC) performance. The main tasks of an AGC system include: Mill stretch compensation Lock-on gauge control Work roll thermal expansion compensation Oil film compensation of back-up roll bearings Work roll bending Tapering
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adaptive_agc_control | First Control Systems AB
The control system will face a "new process" for each new strip entering the mill. This is exactly the kind of problems that are effectively solved by self-tuning regulators. First Control's self-tuning AGC Control uses only one regulator setup for all rolling. The regulator adapts by itself to different strip qualities and rolling speeds.
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Automatic Gauge Control Cylinder - Brant Hydraulics ...
Automatic Gauge Control Cylinder BRANT HYDRAULICS offers a viable and professional alternative for repair and / or replacement of these most critical cylinders, with bore diameters typically around 1250 mm.
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Cold Mill Systems | TMEIC
A Cold Mill rolls coils of pickled steel from the pickle line at ambient temperature, using coolant oil. The cold mill produces steel and stainless steel and is also used for aluminum, aluminum foil, and copper. There are several types of mills such as 2-High, 4-High, 6-High, 12-High, 20-High, and Sendzimir Mills that have a variety of types of flatness control operations.
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Automatic control methods and devices for rolling hills ...
BACKGROUND OF THE INVENTION. 1. Field of the Invention . The present invention relates to automatic control methods and devices for rolling mills, and particularly to automatic strip thickness control methods for obtaining a rolled product having a desired thickness by means of a Sendzimir mill for rolling an electrical steel sheet or stainless steel sheet, apparatuses for …
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Research on Intelligence of AGC System in Hot Strip Mill ...
AGC Algorithm HAPC ΔS HAPC Mill-Rolling Force S P 1ms P S S* Figure. 1. Siemens double-loop AGC control system diagram The Siemens thickness control system consists of the rolling force AGC (RF-AGC) and the monitoring AGC (MN-AGC). Which F1~F3 stands use RF-AGC, and F4~F6 stands use two control methods of RF-AGC and MN-AGC.
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Automatic Gauge Control Cylinder - Brant Hydraulics ...
Hydraulic AGC (Automatic Gauge Control) Cylinder and System is constructed by Hydraulic Mill for Sheet Gauge Rolling. We provide Total actuators, for Integrated hydraulic AGC cylinder which include Push-up cylinder with servo valve. Various types of our AGC (, AWC, HGC) cylinders have been selling well in the domestic markets as well as in ...
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Blueprint for excellence — Metals Magazine
Mill control. Automatic gauge control (AGC) of strip consists of conventional feed forward AGC (FF-AGC), roll position control AGC (BISRA-AGC) based on a gauge meter formula, and also monitor-AGC. In addition to these, mass flow AGC and an AGC system based on decoupling control are included. Mass flow AGC measures the actual running speed of ...
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Technological control for cold rolling processes
Thickness feedback control The basic control strategy is thickness feedback (monitor control) based on the measured thickness deviation at the exit side of the mill. The delay time, transport of the strip from the roll gap to the thickness gauge, essentially determines the control system's dynamic response, particular at low rolling speed.
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pdf agc control for 20hi cold rolling mill
agc control for mill - flyinfo.co.in. pdf agc control for 20hi cold rolling mill. Products Our company is a manufacturer and exporter of the crushers, serving the …
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Automation and Thickness Control in Hot Strip Mill – IspatGuru
Fig 1 Structure of a typical automation system for hot strip mill process. Level 0 – It is the lowest level of control and includes, for example, the control loops for hydraulic capsules used to position the rolls in the rolling mills and for the main electric motors powering the mill.. Level 1 – It is primarily concerned with in-piece control. At this level, the quality parameters …
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Enhanced Speed Measurement for AGC-Mass Flow
Mass Flow, Automatic Gauge Control (AGC) is a technique used for many years to control strip thickness in Tandem Cold Rolling Mills. It enables tighter control of thickness by providing faster and more accurate control of the roll gap. Utilizing Mass Flow AGC control techniques permit operations to achieve specified thick-
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NSD ABSOCODER FOR AGC IN THE ROLLING MILL - YouTube
Detailed Product Information: Heavy Duty Linear Position Sensor "Inrodsensor":https://
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(PDF) Hot Rolling Mill Hydraulic Gap Control (HGC ...
In this article the AGC (Automated Gauge Control) system, of a hot rolling mill is analyzed and different methods are described to improve its performance. The mill stretch compensation and other disturbances during the rolling process are
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Hot Rolling Mill Hydraulic Gap Control (HGC) …
2 AGC Control Tasks The rolling accuracy mainly depends on the automated gauge control (AGC) performance. The main tasks of an AGC system include: Mill stretch compensation Lock-on gauge control Work roll thermal expansion compensation Oil film compensation of back-up roll bearings Work roll bending Tapering
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Research on 760mm Hot Tandem Mill Hydraulic AGC Control ...
Research on 760mm Hot Tandem Mill Hydraulic AGC Control System. Article Preview. Abstract: Through analyzing the 760mm hydraulic AGC production line of a Shandong factory, the characteristics, compositions and the mathematical model of hydraulic system of the hydraulic AGC are introduced. Based on those the system performance is analyzed on the ...
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Automatic Gauge Control (AGC) - Koteko
Automatic Gauge Control (AGC) The main target of the AGC control is to maintain a good thickness tolerance over the entire range of products in varying process conditions undependent of different materials, alloys, dimensions. A system is offered with an adaptive algorithm, different control strategies are available depending on the mill to realize the desired […]
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Automatic Gauge Control (AGC)/ Hydraulic Gap Control (HGC)
Honeywell's Automatic Gauge Control (AGC) and Hydraulic Gap Control (HGC), incorporated with the MetalsMaster gauging system, enable mills to deliver the right gauge thickness with the least product variation. It also offers Target Adaptive control to increase yield, improve product quality and reduce scrap.
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