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Abstract: Recently, the accuracy of hot strip gauge is strictly demanded, and the strip thickness becomes the most important quality in hot strip rolling. In order to improve the quality of the hot strip gage and to reduce the strip thickness deviation, the automatic gauge control (AGC) system now is widely used in modern hot strip mills.
Monitoring the Profile of Hotrolled Strip Measuring the Flatness of Hotrolled Strip Width and Length Gaging of Rolled Products The Measurement of Rolling Force Automatic Control of Blooming and Slabbing Mills The Control of Billet, Rod and Bar Mills using Microcomputers Automatic Gage Control Computer Control of Plate Mills HotStripMill ...
Oct 30, 2017· Metal strip thickness gauge with accuracy 0,001 mm for cold rolling mills (steel, lead, brass, aluminium, Titanium Zinc, Nickel, bimetal,...) with AGC outputs, thickness range 0 3,5 mm ...
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.
Download Citation on ResearchGate | Research on application of Smith predictor to monitor AGC in hot strip rolling mills | Because of the long distance between the last finishing mill and the X ...
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 ...
To integrate a new roll gap lubrication system into an existing hot strip mill is a challenge problem. A lubrication expert system was developed and embedded into finish rolling setup system. The reference value setup by expert system is downloaded to roll bite lubrication PLC via finish mill PLC to open oil spraying valve and regulate the oil concentration.
Rolling processes 51 introduction: Rolling is the process of reducing the thickness or changing the cross section of a long workpiece by compressive forces applied through a set of rolls, as shown in figure (51). Fig. (51) Most rolling is carried out by hot working, called hot rolling, owing to the large amount of deformation required.
Hot Strip Mills. Global Gauge has installed hot strip mill thickness gauges all across the world. By investing in a Global Gauge thickness gauge upstream in the rolling process, our customers are able to maximize quality and improve process certainty.
nology for hot strip rolling mills based on distributed agents is presented aimed to the diagnosis of hot strip rolling mills with controllers. In the operation of hot strip mills, human operators try to maintain rolling conditions in an appropriate situation. To help the operators, it is needed to build an in
In the research area Hot Strip Rolling, advanced nonlinear process control problems associated with the operation of a tandem hotstrip finishing mill are solved. A tandem hotstrip mill like the one shown in Fig. 2 is a nonlinear MIMO dynamical system.
Looper and tension control, shown in Fig. 2, is important in hot strip mills because they affect both the dimensional quality and the mass flow of a high strip tension between stands induces width shrinkage, thickness reduction and moreover can produce an edge wave on a strip.
Rolling Slitting Plants for the manufacturing Industry. Twohigh cold rolling plants with automatically operating strip thickness measuring, regulating and controlling system, AGCSystem
Infrared sensors measure strip and sheet temperature so that rolling mill stands can be efficiently set to match the steel''s temperature. Sensors can be used to detect the presence of hot metal and accurately time the roll stand operation. Pyrometers can be used to measure the roll temperature as water cools the roll during the quenching process.
Aimed at the complex demand of hot strip rolling mill in practicing, the configuration of the coiler and the technological process is analyzed. The arithmetic of coiling tension and the control process is introduced. The frame of the tension adjusting system is given. The coiler control system hardware is designed. The system is designed scientifically with steady control and meets demand of ...
To enhance strip thickness accuracy and to improve the mass flow of the head end part of a strip in the 7stand finishing mill using a hot strip measurement system, this study is being performed. In this paper, the speed measurement system layout and the applications of measured strip speed incluing a neural network for predicting a forward ...
SMS DEMAG Hot Strip Mills 10 The drumtype shear installed between the roughing and finishing mills of a hot strip mill crops the transfer bar at its head and tail. In special applications, the drumtype shear also serves to divide transfer bars and finished plates. Based on the experience gained from more than 60 drumtype shears built so far,
Dec 22, 2013· 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 with a wide range of thickness. Because of its huge size and large investment a hot strip mill need to have a life time of several decades.
HOT STRIP MILL — HIGHEST PERFORMANCE FOR NEW AND EXISTING STEEL MILLS 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 .
selection of the related rolling mill equipment. The portfolio of Primetals Technologies hot strip mill technology covers all these demands. The hot strip mill for ArcelorMittal in Krakow (Poland) and the hot strip mill for SAIL RSP in Rourkela (India) are two examples .
Jul 14, 2014· Video of a 4HI Cold Rolling Mill with Automatic Gauge Control, commissioned by MNC ... 4HI Cold Rolling Mill with AGC MNC Automation Pvt Ltd ... Aluminum strip sheet band hot roll machine ...
TMEIC Supplies Superior Control Systems for Hot Rolling Mills 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.
The number of stands ranges from 2 to 18. Tandem mills can be either of hot or cold rolling mill types. Defects. In hot rolling, if the temperature of the workpiece is not uniform the flow of the material will occur more in the warmer parts and less in the cooler. If the temperature difference is great enough cracking and tearing can occur.
Research on application of Smith predictor to monitor AGC in hot strip rolling mills
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