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hot rolling mill roll eccentricity

Construction and Operation of No 4 Cold Mill for

1 Change in maximum speed of stainless steel cold rolling mills in Japan soluble rolling oil that cools the strip and work rolls with excel lent results and independent roll eccentricity mechanism for each bottom backup roll and is

Hot Rolling Mills Archives Nidec Industrial

overview Hot rolling mills automation and control solutions Nidec Industrial Solutions the right partner for hot rolling mills automation and control projects

A method to determinate the thickness control parameters in cold

The single stand rolling mill governing equation is a non linear function on in the strip thickness have little effect on the measured roll load Zeltkalns and JF and Tung S A roll eccentricity sensor for steel strip rolling mills IEEE

Service Solutions for rolling mills and process lines

With experience in the design and supply of all types of rolling mills and process lines SMS group rewind lin Coil handling walking beams Hot mills Cluster mills Process lines Side eccentric adjustment rolls AH DE Entry exit

TelePro Inc David J Knapp

A specialist in rolling mill control systems he has over 90 stands of hands on hot and development of real time rolling mill simulations hot and cold mill gauge and An encoderless roll eccentricity compensation system for rolling mills and

Method of measuring and compensating roll eccentricity

Jan 26 In a rolling mill having a top work roll backed with a top backup roller and a which require continuous rollings such as cold and hot rolling

The Contribution of Theory to Innovation in Strip Rolling

Every parts of rolling mills are deformed elastically on which When the rolling rolls with eccentricity rotate and swing

Patent US Roll bite gauge and profile

Feb 6 A rolling mill for rolling strip in which one of its rolls serves both as a mill roll the aforesaid mill modulus hysteresis effects and roll eccentricity

Strip Thickness Control of Cold Rolling Mill with

ABSTRACT 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

Upgrading of Hot Finishing Mill to 4 Stands and

The hot rolling mill of the Fukui Works went into service in May as a thickness and roll eccentricity elimination control to com pensate for periodic

Measurement of the forward slip in cold strip rolling

The roll speed did not change the forward slip in the case of dry rolling but the 7 developed a new diagnosis method for roll eccentricity of a hot rolling mill

The Application Development of Coiling Eccentricity

Nov 30 by steel coil irregular on coiler is called coiling eccentricity This problem will thick strip start in pl tandem cold rolling mill or coil diame ter sharp WR Wang Roll Eccentricity Research on Cold rolling Using Advanced

Research and Application of Thickness Control Bentham

Dec 23 Control Rolling Mill Oil Film Comp Work Roll Bending Strip Force X ray Eccentricity function compensates for backup roll diameter

Primetals Technologies Japan Ltd Control Equipment MHPC M

In order to strip to setting thickness with the roll of a rolling mill it is If eccentricity is in Roll change of rolling force will occur according to roll rotation and it will

Control and Cybernetics Cold rolling mill thickness

strip produced by a tandem cold rolling mill arc of substantial in terest to with strong mutual interactions between the strip thickness the roll gap posi tion the to the operation of the position control loop is the roll eccentricity arising from

Dynamics and Variance Control of Hot Mill Loopers

Apr 7 Poor control of hot strip mill loopers degrades strip width and gauge and may in looper angle θ and strip tension σ through manipulation of roll speed eccentricity and are not as noticeable in the case of conventional

Neural compensation and modelling of a hot strip rolling

Abstract In this paper a Neural Compensation Strategy for a hot rolling mill process where h2 is the output strip thickness of the stand γ is the Rolls gap of the and S Gu Roll eccentricity compensation control for strip rolling mills based

Approach for Improved Signal Based Fault Diagnosis of Hot

methods are applied to rolling force data originating from a hot strip mill 172 give a DWT application on roll eccentricity that causes thickness varia

Journal Paper Format SERSC

Adaptive control to improve the process of rolling mill rolls unsteady exit thickness strip through the thickness or the sensor according to deviation signal of the the high precision for thickness of cold rolling the influence of roll eccentricity

Force Measurement Products Cold rolling and processing

even in the harshest rolling mill environments Millmate Strip Scanner in a reversible cold mill supervision of the backup bearings and roll eccentricity

Non circular grinding of backup rolls to reduce

A common structure in hot strip mill backup roll bearings is to attach the conical cylinders to compensate the roll eccentricity have been introduced eg by

Active compensation of roll eccentricity in rolling

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

Reversing Cold Mill Primetals

Also strip flatness measuring equipment mounted at one or both ends of the mill combined with multi zone work roll cooling to meet the highest demands for

Thickness Control for a Steel Beam MATLAB Simulink

to control the horizontal and vertical thickness of a steel beam in a hot steel rolling mill The gap between the two cylinders is called the roll gap The eccentricity disturbance is modeled as white noise w e driving a band pass filter Fe

LQG Regulation Rolling Mill Case Study MATLAB

The rolling mill is used to shape rectangular beams of hot metal Eccentricity causes fluctuations in the roll gap gap between the rolling cylinders When the

Position Control and Active Eccentricity Compensation

compensation of roll eccentricity induced periodic vibrations ness in hot rolling mills can be about 40 μπι and more Roll eccentricities arise from axial

Tandem Cold Rolling and Robust Multivariable Control

Tandem cold rolling presents difficult challenges to the control engineer the mill is a Work Roll Driv 31 Hot Mill Eccentricity Disturbance