Roll Eccentricity Control for Strip Rolling Mills

Cited by: 12

Strip Thickness Control of Cold Rolling Mill with Roll

Cited by: 6

hot rolling mill roll eccentricity marktbewerkinginict

hot rolling mill roll eccentricityPochiraju Industries Ltd Automation and Control in Iron and Steel Industrieseolss. thickness and flatness of strip in hot and cold rolling mills. Nearly two-thirds of the total weight of rolled products consists of flat and only one- .. roll eccentricity control the modeling of hydrodynamics and chemical

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how to control eccentricity problem in hot rolling mill

Neural network for identification of roll eccentricity in rolling mills Aistleitner K. Mattersdorfer L.G. Haas W. Kugi A. 1996-06-15 00 00 00 The roll eccentricity in a rolling mill may define the limit of achievable thickness tolerances and thus is subject of interest for the automation equipment in hot rolling

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ROLL ECCENTRICITY COMPENSATION (REC)

2020-6-9  eccentricity compensation. The REC is a fully digital model based control, which uses the fact that the eccentricity of each roll remains relatively constant during rolling to model its shape over several revolutions. Using an inverted plant model this modelled eccentricity is transformed into a compensation setpoint for the gap control (pre

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hot rolling mill roll eccentricity annasweethome.de

Hot Rolling Mill Roll Eccentricity. Hot Rolling Mill Roll Eccentricity Ethiopia sea salt washing machine supplier list of countries by salt production this is a list of countries by salt production the four leading salt producers in the world india the united states ethiopia 100000 004 61 new get price salt machine manufacturers amp suppliers

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hot rolling mill roll eccentricity Hof van Hoeven

ROLL ECCENTRICITY CONTROL WITH THE FORCE FEED ROLL ECCENTRICITY CONTROL WITH THE FORCE FEED FORWARD AGC SYSTEM Francis Wagner, Manager Rolling Mill Automation Hatch Associates Consultants, Inc., Buffalo, NY, USA ABSTRACT: The Force Feed Forward (FFF) System is the only hot strip mill AGC system in the world today which does not incorporate the BISRA

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Strip Thickness Control of Cold Rolling Mill with Roll

2013-11-12  Roll eccentricity is not part of the controller but must be considered to be consistent with data reported from operating mills which . Figure 3. Effects of roll eccentricity on output strip thick- ness. usually includes its effects. The eccentricity components remaining in the mill

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GENERAL ASPECTS OF ROLL COOLING FOR HOTCOLD

2018-2-26  rolling mill, dedicated roll cooling systems are required to fulfill the required functions. Examples are suitable roll cooling and lubricationsystems to fully utilize the advantages of HSS rolls in hot strip mills, and selective roll cooling systems as a method to control the flatness of the strip in cold rolling

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Hot Rolling Mill Hydraulic Gap Control (HGC) thickness

2015-11-4  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.

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hot rolling mill roll eccentricity marktbewerkinginict

hot rolling mill roll eccentricityPochiraju Industries Ltd Automation and Control in Iron and Steel Industrieseolss. thickness and flatness of strip in hot and cold rolling mills. Nearly two-thirds of the total weight of rolled products consists of flat and only one- .. roll eccentricity control the modeling of hydrodynamics and chemical

get price

how to control eccentricity problem in hot rolling mill

Neural network for identification of roll eccentricity in rolling mills Aistleitner K. Mattersdorfer L.G. Haas W. Kugi A. 1996-06-15 00 00 00 The roll eccentricity in a rolling mill may define the limit of achievable thickness tolerances and thus is subject of interest for the automation equipment in hot rolling

get price

Active compensation of roll eccentricity in rolling mills

Abstract: This stone is concerned with the active compensation of the roll eccentricity-induced periodic disturbances in the strip exit thickness of hot and cold rolling mills. The roll eccentricity may be caused by different reasons, like e.g. inexact roll grinding or nonuniform thermal expansion of the rolls.

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hot rolling mill roll eccentricity annasweethome.de

Hot Rolling Mill Roll Eccentricity. Hot Rolling Mill Roll Eccentricity Ethiopia sea salt washing machine supplier list of countries by salt production this is a list of countries by salt production the four leading salt producers in the world india the united states ethiopia 100000 004 61 new get price salt machine manufacturers amp suppliers

get price

hot rolling mill roll eccentricity Hof van Hoeven

ROLL ECCENTRICITY CONTROL WITH THE FORCE FEED ROLL ECCENTRICITY CONTROL WITH THE FORCE FEED FORWARD AGC SYSTEM Francis Wagner, Manager Rolling Mill Automation Hatch Associates Consultants, Inc., Buffalo, NY, USA ABSTRACT: The Force Feed Forward (FFF) System is the only hot strip mill AGC system in the world today which does not incorporate the BISRA

get price

Neural network for identification of roll eccentricity in

The roll eccentricity in a rolling mill may define the limit of achievable thickness tolerances and thus is subject of interest for the automation equipment in hot rolling mills as well as in cold rolling mills. Today's demand on thickness tolerances less than 0.8% require efficient methods for roll eccentricity identification and compensation.

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US3543549A Rolling mill control for compensating

Method for detecting eccentricity and phase angle of working or backing roll in rolling mill US3793860A (en) * 1972-12-04: 1974-02-26: Westinghouse Electric Corp: System to compensate for roll eccentricity effects and/or to simulate a mill with variable stretch characteristics US3882705A (en) *

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(PDF) Hot rolling mill hydraulic gap control (HGC

Hot rolling mill hydraulic gap control (HGC) thickness control improvement Article (PDF Available) January 2015 with 1,067 Reads How we measure 'reads'

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Strip Thickness Control of Cold Rolling Mill with Roll

2014-8-5  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 , we design PI controller in outer loop for the strip exit thickness while PD controller is

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ROLL ECCENTRICITY COMPENSATION (REC)

2020-6-9  eccentricity compensation. The REC is a fully digital model based control, which uses the fact that the eccentricity of each roll remains relatively constant during rolling to model its shape over several revolutions. Using an inverted plant model this modelled eccentricity is transformed into a compensation setpoint for the gap control (pre

get price

Active compensation of roll eccentricity in rolling mills

Abstract: This stone is concerned with the active compensation of the roll eccentricity-induced periodic disturbances in the strip exit thickness of hot and cold rolling mills. The roll eccentricity may be caused by different reasons, like e.g. inexact roll grinding or nonuniform thermal expansion of the rolls.

get price

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.

get price

hot rolling mill roll eccentricity annasweethome.de

Hot Rolling Mill Roll Eccentricity. Hot Rolling Mill Roll Eccentricity Ethiopia sea salt washing machine supplier list of countries by salt production this is a list of countries by salt production the four leading salt producers in the world india the united states ethiopia 100000 004 61 new get price salt machine manufacturers amp suppliers

get price

ROLL ECCENTRICITY CONTROL WITH THE FORCE FEED

ROLL ECCENTRICITY CONTROL WITH THE FORCE FEED FORWARD AGC SYSTEM Francis Wagner, Manager Rolling Mill Automation Hatch Associates Consultants, Inc., Buffalo, NY, USA ABSTRACT: The Force Feed Forward (FFF) System is the only hot strip mill AGC system in the world today which does not incorporate the BISRA principle for gage control.

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Roll Eccentricity Compensation-文章 工控客 工业自动化

2019-12-19  The roll force signal could also be utilized as an equivalent input signal, even hot switching during rolling. The REC output signal is given as an additional set point to the position control, whereby the rolls will open and close synchronously with the eccentricity and eliminate the

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steel strip rolling 的翻译结果--cnki翻译助手

Cooling system of hot steel strip rolling has major effect on quality of steel strip. 热带钢轧制的冷却系统对带钢的质量起着重要的作用。 短句来源 The models can be used to predict strip surface roughness, arrange steel strip rolling order reasonably, decide the time of work roll off mill and modify the calculation model of rolling force.

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LQG Regulation: Rolling Mill Case Study MATLAB

Eccentricity causes fluctuations in the roll gap (gap between the rolling cylinders). When the roll gap is minimal, the rolling force increases and the beam thickness diminishes. The hydraulic force must then be reduced (negative force feedback) to restore the desired thickness.

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tension control method for a rolling mill Elvema

rolling mill speed calculation formula pdf Empirical Sealed clean bearings for rolling mill roll neck Todays demands on productivity and quality in hot rolling mills for rod and wire require. The Rolling simulation program for calculating the empty gap unloaded stand. Speed calculation is a function of finishing speed, area of the bar, []

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The Complete Technology Book on Hot Rolling of Steel

Hot rolling mill thus helps in reducing the size of a metal thereby molding it into the desired form and shape. Passive roll eccentricity control methods Active roll eccentricity control methods Preventive roll eccentricity control methods Dead Band Method Roll Force Method

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REVERSING COLD MILL Primetals Technologies

REVERSING COLD MILL Advanced reversing cold-mill technology from Primetals Technologies is an ideal solution for small- to medium-sized production capacities, or for the rolling of smaller order lots of special steel grades.

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