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 …
Automatic Gauge Control (AGC) System. Waterbury Farrel Automatic Gauge Control (AGC) Systems ensure close-tolerance strip at the push of a button. The system automatically maintains extremely tight gauge …
Monitor automatic gauge control (AGC) based on hydraulic roll gap control system is widely used in modern strip rolling mills [4][5][6] [7]. In monitor AGC system, gauge meter is used to measure ...
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 …
the thickness accuracy, the automatic gauge control (AGC) system which is usually composed of feed forward AGC, gaugemeter automatic gauge control (GM-AGC), smith-predict monitor AGC system and other compensations is widely used in modern hot strip mills of the world [1−2]. Feed forward AGC system
As shown in Fig. 13, the traditional monitoring method mainly includes the AGC control system and the DHDAS dynamic signal recorder system. As illustrated in Fig. 14, the monitoring method based on the digital twin model is composed of AGC control system and the twin body system equipped with a 1400-mm four-high mill system. By …
The hydraulic automatic gauge control (AGC) system is of great significance for cold rolling mill in modern steel industry. In order to ensure the rolling processes with high precision, high speed, continuity and stability, its operation reliability is of essence. 1 When the load roll system suffers from external disturbance force during steady-state …
ArcelorMittal Construction has awarded ABB a contract to deploy solutions specifically designed for metals processing at its cold rolling mill in Contrisson, France, as part of a modernization project. The solutions, which include ABB Ability Manufacturing Operations Management for metals (MOM4Metals), Roll-Gap (RGC) and Automatic …
View All Burner Control Units Honeywell 7800 SERIES burner control unit; Kromschroeder IFD 258 burner control unit; Kromschroeder IFD 244 burner control unit; Burner control units BCU 560, BCU 565, BCU 580; Automatic burner control units …
In rolling mills, the mass flow control always requires a combined thickness measurement and velocity measurement. Mass flow Automatic Gauge Control (AGC) is a technique used for many years to control strip thickness in tandem cold rolling mills, enabling tighter control of thickness by providing faster and more accurate control of the roll gap.
Electrode roll-forming refers to rolling a battery electrode into a preset thickness through the electro-hydraulic servo pump-controlled hydraulic roll gap thickness automatic control system (known to as pump-controlled AGC). Compared with the motor servo system, the friction problem of the electro-hydraulic servo system is more serious …
mainstream of computer control system for rolling mill which is a typical complex electromechanical system [1, 2]. Automatic Gauge Control (AGC) system is installed in …
Analysis and discussion on Mill AGC system servo valves faults [J]. Machine Tool & Hydraulic, 2010,38(4): 101-103. A multi-channel, high-precision sensor interface for low-power applications
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
The Development of Robust Control to AGC Systems of Cold Rolling Mill - IEEE Conference Publication. Abstract: Gives a new control method, which is used in …
Technology. Automatic Gauge Control is a technology used across diverse industrial processes to automatically regulate the thickness or gauge of materials being processed, such as metal sheets or strips.The primary objective of AGC is to consistently uphold a desired target thickness throughout the entire production process.
Thickness accuracy of plate production depends on Automatic Gauge Control (AGC) in the plate mill area. A typical modern thickness control system design and implementation of a steel plate mill is ...
Along with the quickening of aluminium alloy new product paces, the rapid lifting of exploitation kind class, varieties distribution implementation.The successful modification of hot-rolling mill AGC hydraulic system improves control accuracy, response speed etc., which determines final performance and the sheet material position commercially of sheet …
mechanism and process procedure of a pump-controlled AGC system of lithium battery pole plate mills under micro-displacement position control based on the friction model and observes and compares the performance of its position control considering friction factors achieved by different friction models and by designing different …
The next generation of automatic gauge control system technology from Walco efficiently solves the classical problems presented by outdated closed-loop AGC systems on cold reduction mills. Closed-loop technology makes measuring the strip gage at the roll bite impossible. This necessitates downstream measuring that gives rise to a transport ...
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 ...
The finishing mill is a full-scale shape control mill where the world's first work roll shift system for plate was introduced, and is ... high-response AGC (hydraulic automatic gauge control), sensors such as the γ-ray thickness gauge, and high-accuracy computer models, thereby establishing an ...
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 …
System Description. The TelePro/SSE AGC system consists of a basic delay-compensating feedback control algorithm requiring only exit thickness and main motor speed …
Comparison of the plate exit thickness hex obtained in pass 2 with the conventional AGC controller (left) with the thickness obtained in pass 3 with the new feedforward control strategy (right) for a plate rolled at the finishing hot rolling mill in Dillingen, Germany. new control strategy pass no. 3 - with feedforward 3200 3000 2800 …
The finishing/sizing group is located at the end of the continuous train and consists in two vertical and horizontal 2-roll stands. To control the bar dimension, the AGC system manages the dynamic ...
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 Pu...
This phenomenon can be explained as follows. For α = 0.8, the compensation of mill modulus control AGC has the low-frequency attenuation characteristics; that is, the mill modulus control AGC can remove the low-frequency incoming thickness deviations. The dynamic response of the mill modulus control AGC …
Abstract. Thickness accuracy of plate production depends on Automatic Gauge Control (AGC) in the plate mill area. A typical, modern thickness control, system design and implementation of a steel ...
Fundamental study on automatic gauge control (AGC) of reversing cold rolling mill was carried out. The study includes the method of evaluating performance of AGC system and designing a control system according to the results of the study. It was concluded that the response of AGC system depends on the dy-
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
Mechatronics and Information Technology 10.4028/ Research on 760mm Hot Tandem Mill Hydraulic AGC Control System 10.4028/ ...
It is easy to see why Automatic Gauge Control (AGC) is an essential component of modern rolling mills. Comprehensive AGC algorithms incorporate readings from dozens of …
Monitor automatic gauge control (M-AGC) system plays an important role in ensuring thickness accuracy of the whole strip. To improve the correction speed of thickness deviation for M-AGC system and reduce the length of plate and strip over the range of thickness deviation, a new M-AGC system is applied to hot finishing mill in an aluminum plant.
automatic gain control (AGC) loop. Figure 1 shows the ADL5330 operating in an AGC loop. The addition of the AD8318 log amp allows the AGC to have improved temperature stability over a wide output power control range. To operate the ADL5330 VGA in an AGC loop, a sample of the output RF must be fed back to the detector (typically using a
The automatic parameter identification technique is a method whereby parameters for a mill control simulator such as the friction coefficient of rolled material and controller parameters of existing AGC systems are automati-cally identified by the non-linear least-squares method (see Fig. 2). Measurement of controller parameters of existing AGC ...
The AGC/ITC functions are typically performed in the same PC-based computer system hardware used to implement the automatic sheet flatness control (AFC) and mill setup models. Before a coil is processed, the AGC/ITC system receives rolling schedule information from the mill scheduling system or via manual data entry. This information …
Thickness accuracy of plate production depends on Automatic Gauge Control (AGC) in the plate mill area. A typical modern thickness control system design and implementation of a steel plate mill is discussed together with the impact on the design of process models, available measurements, available control actuators and material properties. A highlevel …
