appliion of an agc in hot strip rolling mills

Optimizing Strip Speed Measurement for AGC/Mass Flow and ...

4-high rolling mills used for reduction and skinpass at its Hagen, Germany, location. In this case, each mill uti-measurement. The application at each roll mill required a set of two LSVs, one located on either side of the mill. The combina-tion measures strip entry and exit speed for determining elongation or for mass flow calculations.

Strip Thickness Control of Cold Rolling Mill with Roll ...

In rolling mill, the accuracy and quality of the strip exit thickness are very important factors. To realize high accuracy in the strip exit thickness, the Automatic Gauge Control (AGC) system is used. Because of roll eccentricity in backup rolls, the exit thickness deviates periodically. In this paper, we design PI controller in outer loop for the strip exit thickness while PD controller is ...

Optimization of a Cold Rolling Mill - tools.thermofisher.com

maximum rolling speed of a cold or foil mill, 8 meters of strip is produced. 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 sensors around the mill. Some of the key AGC input parameters are speed and tension. (See Figure 1)

Rolling Mills for Steel Strip - sa-inco.com

Typical processing strip thickness: 0,15 to 8 mm Typical coil weight: 5 to 15 Ton; Skin Pass Mills Four High unidirectional Skin Pass Mills. INCO manufacture either skin pass mills for Hot Rolled black material or for Cold Rolled or Galvanized material. Mills can be complete or be installed in continuous treatment line. Strip width up to 1800 mm.

US3934438A - Method of long-edge shape control for tandem ...

A method of shape control for a tandem mill for rolling strip, wherein the shape of the rolled strip at the delivery side of the final stand is detected to provide a signal corresponding to the long-edge shape, whereby the pattern of roll bending force for two or more latter stands are adjusted according to the signal or signals obtained in order to effect desired shape control without causing ...

Research on application of Smith predictor to monitor AGC ...

Research on application of Smith predictor to monitor AGC in hot strip rolling mills

Improvement and application of Automatic Gauge Control ...

Abstract: 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 the former AGC system and MMC simply without changing the compensating coefficient of rolling efficiency, which was deduced in detail by some inferential reasoning formulas.

Hot Rolling Mill Hydraulic Gap Control (HGC) thickness ...

P. Kucsera et al. Hot Rolling Mill HGC Thickness Control Improvement – 98 – Another way to determine the thermal expansion of the work roll is the modelling of the heat transfer between the work rolls and the strip. This depends on the roll speed, strip thickness, the properties of the strip, roll gap, contact time and cooling parameters.

Highest performing Hot Strip Mills | Primetals Technologies

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 …

Application of a Strip Speed Measurement System for Hot ...

To enhance strip thickness accuracy and to improve the mass flow of the head end part of a strip in the 7-stand 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 ...

Hot and cold strip rolling processes - ScienceDirect

Application to tube rolling on Mandrel Pipe Mill is demonstrated in . 3. A 3D, EVP, quasi-Eulerian steady-state model. In,, a 3D FEM of hot and cold strip rolling has been described. The behaviour can be either EVP or VP.

rolling operation or roll mill its types and application ...

tandem rolling mill or continuous rolling mill: tandem rolling mill process. It is a modern rolling mills and the rolling is done by one pass. The rolling is done in several passes for traditional several stands and reduction that take place successive roll. The number of stands like as 2 to 18. Those are either hot or cold rolling mill types.

Improvement and Application of Automatic Gauge Control ...

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.

Development and application of KFF-AGC system in hot strip ...

To raise the thickness precision of the hot rolled strip,KFF-AGC(hardness feed-forward AGC) is put forward and a mathematical model that describes the KFF-AGC control algorithm is developed.When applied to the 850mm hot strip mills,KFF-AGC system contributes to better strip thickness quality,more stable strip rolling process,and less roll force ...

Rolling Mill Rolls | Xtek, Inc.

For hot strip mill Edger applications, Xtek developed another special steel grade with superior resistance to the thermal fatigue and firecracking so prevalent with other rolls in this environment. Plate Leveling Rolls round out the Xtek's roll product offerings with a special heat treatment providing more consistent depth of hardness ...

Development and Application of Hot Rolling Lubrication ...

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 of steel in Hot Strip Mill – IspatGuru

Dec 03, 2015· AGC, edger, finishing mill, hot strip mill, Laminar cooling, rolling speed, scale breaker, slab. roughing mill, tension, Rolling of steel in Hot Strip Mill. Hot strip mills in these days are either conventional hot strip mills or strip mills for rolling thin slabs. The primary function of the conventional hot strip mill (HSM) is to reheat the ...

Application of Hot Rolling Lubrication on a Reversing Coil ...

In the application of roll lubri--ing hot rolling mills, several con-cerns arise, i.e., bite and roll slippage and effectiveness. This paper studies the mechanism of roll lubrication of the reversing hot rolling mill theoretically and investigates the effect of the roll lubrication on mill …

Cold Rolling Mill Sale | Steel Cold Rolling Mill Machines ...

Cold-Rolling Mill Machine Sale. Main Applications: Steel Coil Aluminum Coil Copper Coil Your Application We also provide high precision cold rolling mill and hot rolling mill You Need Better Cold-Rolling Mill at Good Price. Due to government environmental protection and Deproductivity Action, a lot of good machines are stopped, we can find you second hand rolling mills with good condition and ...

Cold Rolling Mill Sale | Steel Cold Rolling Mill Machines ...

Cold-Rolling Mill Machine Sale. Main Applications: Steel Coil Aluminum Coil Copper Coil Your Application We also provide high precision cold rolling mill and hot rolling mill ... (AGC) reversible cold rolling mills from Enhancing Technology in 2008. Fortunately, they have been running well and the payback is good.

Improvement and application of Automatic Gauge Control ...

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 the former AGC system and MMC simply without changing the compensating coefficient of rolling efficiency, which was deduced in detail by some inferential reasoning formulas.

Hot Strip Mill and Cold Rolling Mill | Industry ...

There are two types of rolling. With hot rolling, heated metal goes through a rolling machine where it is worked into a sheet or bar. With cold rolling, sheet steel is made thinner at normal temperatures, and its surface is made smooth and uniform. Tsubaki products are used in both hot and cold rolling.

Adjusting Rolling Speed and Thickness to Help Ensure Metal ...

Automatic Gauge Control (AGC) is an essential component of modern rolling mills. Comprehensive AGC algorithms incorporate readings from dozens of sensors around the mill to control thickness to high tolerances.. Some of the key AGC input parameters are speed and tension.

Steel strip thicknes gauge MTP-1302 on rolling mill - YouTube

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 ...

Automatic Gauge Control, AGC | Waterbury Farrel

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 tolerances as the strip passes through the mill at up to 1,000 meters per minute.

Strip Thickness Control of Cold Rolling Mill with Roll ...

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]. Strip products thickness precision is an important quality parameter.

HOT STRIP MILLS Mechanical Equipment - SMS group

SMS DEMAG Hot Strip Mills 10 The drum-type shear installed between the roughing and finishing mills of a hot strip mill crops the trans-fer bar at its head and tail. In special applications, the drum-type shear also serves to divide transfer bars and finished plates. Based on the experience gained from more than 60 drum-type shears built so far,

Simulation and Analysis of Feedforward Automatic Gauge ...

In order to fully understand dynamic behavior of the thickness variation and conduct off-line process tuning, a dynamic simulator for the feedforward Automatic Gauge Control (AGC) for a hot strip finishing mill in China Steel Corporation is developed. One of the major factors influencing on deviation of delivery thickness of the steel strip is the temperature variation caused by cyclic contact ...