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8108064 |
System and method for on-line property prediction for hot rolled coil in a hot strip mill
A system for on-line property prediction for hot rolled coils in a hot strip mill of a steel plant, including a unit for capturing the chemistry from the steel making stage and providing the data...
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8096159 |
Apparatus and method for supplying lubricant in endless hot rolling equipment
A lubricant supply apparatus for endless hot rolling equipment includes a width-detecting sensor for detecting widths of steel sheets continuously supplied toward a roller, a controller connected...
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7797974 |
Method and device for measuring and adjusting the evenness and/or tension of a stainless steel strip or stainless steel film during cold rolling in a 4-roll stand, particularly in a 20-roll sendzimir roll stand
A method and device for measuring and adjusting the evenness and/or tension of a stainless steel strip (1) during cold rolling in a 4-roll stand (2) provided with at least one control loop (4)...
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6769279 |
Multiroll precision leveler with automatic shape control
An automatically controlled multi-roll precision leveler for flattening a strip of material, such as a metal strip. A metal strip product may be fed into the leveler, typically from a coil. The...
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5778717 |
Process and device for rolling bands with uneven thickness and/or length distribution over their width
The present invention relates to a process and to a device for the rolling of bands (B) with uneven thickness and/or length distribution over their width by using at least one control roller (5, 9,...
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5680784 |
Method of controlling form of strip in rolling mill
A method of controlling a form of a strip in a rolling mill. A plurality of paired data of manipulation amounts of form control actuators, and amounts of variations in the form of the strip...
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5172579 |
Steering control apparatus for rolled plates
A steering control apparatus for a rolled plate (1) rolled by a rolling mill (2), and which has a means (15) for obtaining by means of fuzzy inference a leveling amount of its polarity (15A) of the...
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4981028 |
Method for cold-rolling sheets and strips
In a method for cold-rolling sheets and strips, measured values which characterize the surface evenness, especially the tensile stress distribution, are formed on the delivery side of a rolling...
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4674309 |
Apparatus for correcting the thickness profile of a strip to be rolled in a multiple stand hot strip mill train
A method and apparatus for a very exact correction of the thickness profile of strip rolled in a multi-stand hot strip mill. A measuring device determines the distribution of tensions in the...
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4656854 |
Rolling mill eccentricity compensation using measurement of sheet tension
A method of eliminating thickness changes in material exiting a stand or stands of a rolling mill, the changes being caused by the eccentricity of one or more rolls of the mill. The method includes...
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4587819 |
Method and circuit for flatness control in rolling mills
A method for controlling flatness in cold-rolling mills having a roll stand with at least six rolls including intermediate and working rolls capable of being deflected, includes measuring tensile...
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4289005 |
Process and device for controlling the flatness of a cold-rolled metal sheet
A process for controlling the flatness of a metal sheet subjected to a cold-rolling operation by the measurement of the tensions in different regions of the width of the sheet. There are at least...
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4269051 |
Rolling mills and operation thereof
To operate a rolling mill to roll metal strip with a satisfactory degree of flatness, signals from tension detecting means located downstream of the mill rolls are used continuously to determine...
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4261190 |
Flatness control in hot strip mill
The flatness of metal strip being rolled in a hot strip mill is improved by applying higher than normal interstand tensions with maximum permissible tensions being based upon preestablished maximum...
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4199967 |
Method of controlling a shape of a rolled sheet
The forward slip and the backward slip at a first stand are dependant upon a draft, the back tension, the front tension, and the shape of a sheet in a tandem type rolling mill. It is difficult to...
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3802237 |
LOCALIZED STRIP SHAPE CONTROL AND DISPLAY
A localized strip shape rolling control system uses outputs from a plurality of tension measuring load cells mounted on a tension measuring roll to provide a localized display signal based on...
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3581536 |
APPARATUS FOR SENSING THE UNSTRESSED SHAPE OF A THIN STRIP SUBJECTED TO HIGH TENSILE STRESS
A cold rolling mill is described wherein the unstressed shape of metal sheet is continuously sensed during rolling by a plurality of negligible displacement force sensors perpendicularly disposed...
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3475935 |
CONTROL APPARATUS AND SYSTEM FOR STRIP ROLLING
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3442104 |
CONTROLLING METHOD AND MEASURING INSTRUMENT FOR THE FLATNESS OF STRIPS
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3315506 |
Workpiece tension and shape control method and apparatus
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