Automatic Gauge Control of Plate Rolling Mill
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 …
Machines | Free Full-Text | System of Energy-Saving Optimal Control …
Mixed-gas flow rate curves, Zones 1–3, Furnace No. 4, Mill 2500: optimal heating control system on and off. Figure 6. Mixed-gas flow rate curves, Zones 1–3, Furnace No. 4, Mill 2500: optimal heating control system on and off. Table 1. Thermal load control results. Average flow of the mixed gas in the heat-treatment furnace by zone, m …
Automatic Gauge Control of Plate Rolling Mill
The inner control loop is HAPC, and the outer control loop is mill modulus control AGC. The mill modulus control modifies the gap position to maintain a constant delivery strip thickness from each ...
AN-1451LM4935 Automatic Gain Control (AGC) Guide
LM4935 features an Automatic Gain Control (AGC) circuit that addresses this situation by compensation for significant variations in level from a microphone's input. It maintains a fixed level during recording or playback. The following scenarios showcase the real world benefits of the AGC circuit:
Strip Thickness Control of Cold Rolling Mill with Roll …
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 Brit-ish Iron and SteelResearch Association (B1SRA) AGC method based on the gaug meter principle and the feede
Automatic Gauge Control Cylinder
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 …
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, …
AGC CYLINDER TESTING AND REPAIR
control. Cylinder failures can shut a mill down, and cylinders that are not operating properly can adversely impact strip or bar quality. Preventive maintenance, precision repair and accurate testing are the key to ensure AGC cylinder performance is reliable and consistently yields tight product tolerances for rolling precision.
Rolling Mill Automatic Flatness Control (AFC) – …
System Description The TelePro/SSE AFC system consists of integrated control of work roll bending, HGC tilting, variable roll crown shifting (if available) and multi-zone work roll cooling to minimize deviations …
Optimization of a Cold Rolling Mill
Abstract The high speed production achieved by modern cold rolling mills requires reliable and robust thickness sensors. The Automatic Gauge Control (AGC) systems and …
Automatic Gauge Control System | Walco
The 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 …
Simulation and Analyzing on Model Parameters Effect of BISRA-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 novel GM-AGC system ...
Anti-Interference Strategy of 20-Hi Cold Mill Automatic Gauge …
This paper presents a new anti-interference strategy for AGC control of 20-Hi cold reversing mill. The proposed algorithm introduces a united dynamic weights algorithm of feed …
Automatic Gauge Control (AGC)
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 …
Optimization Strategy of Rolling Mill Hydraulic Roll Gap Control …
The equipment structure was complex and the precision was low. It was gradually replaced by the hydraulic roll gap control (HGC) system with superior control performance, forming the automatic thickness control system (AGC) of the rolling mill . The general process flow of medium and heavy plate rolling is shown in Figure 1. The raw materials ...
Optimization of a Cold Rolling Mill
why Automatic Gauge Control (AGC) is an essential component of modern rolling mills. Comprehensive AGC algorithms incorporate readings from dozens of sensors around the mill. Some of the key AGC input parameters are speed and tension. (See Figure 1) Conservation of mass dictates that the mass per unit time entering the mill must equal the
Decoupling control of automatic gauge control system in hot-rolling mills
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 …
Automatic Gauge Control | Prodcuts | SEA-CAS
Automatic Gauge Control. The foundation of SEA-CAS AGC system is built upon Delta Tau's UMAC Universal Motion and Automation Controller with the Power PMAC Programmable Multi Axis Controller. The current processor is dual-core 1.2 Ghz, X64 architecture, with 2GB of RAM, allowing AGC scan cycle of 1.2 ms and the thickness …
STS
AGC Cylinders. Because they automatically provide accurate and consistent product gauge control, sophisticated hydraulic Automatic Gauge Control (AGC) cylinders are critical to the performance of a rolling mill. Cylinders that are not working properly can adversely impact strip or bar quality, and a cylinder failure can shut the mill down.
Hot rolling mill AGC system and rolling control method thereof
The invention provides a hot rolling mill AGC system and a rolling control method thereof, belongs to the field of hot rolling mill AGC control and aims at solving the problem that at present, the hot rolling mill AGC system is low in control accuracy, insensitive in reaction and low in plate thickness control accuracy and influences constant pressure of a device.
Improved AGC control in cold rolling using learning technology
In this mill, all the AGC control functions are self-adaptive. The AGC performance for all coils rolled from June 16 1998 to April 30 1999 is shown in figure 2 and in table 1.
Moog's Newest Solutions for the Steel Mills in China and India
Pipe Cutting Machine – Cutter Feeding System. A large steel maker in China is building a pipe mill production line and needed a specialized pipe cutting machine. The steel pipe's diameter can be larger than 220 mm (8.66 in) and has several different sizes. The most challenging requirement is that the pipe can be as long as 20 m (65 feet ...