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7489820 |
System for measuring the surface geometry and surface evenness of flat products
The invention relates to a device for producing a pattern on a surface for measuring, using a projector and a slide. The invention also relates to various advantageous embodiments of the measuring...
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7461529 |
Methods and apparatus for monitoring and conditioning strip material
Methods and an apparatus for monitoring and conditioning strip material are disclosed. The disclosed methods and apparatus receive encoder signals and sensor data to monitor a condition of a strip...
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7430887 |
Roller for determining variations in flatness
In the case of a measuring roller for determining flatness deviations when handling material in strip form, for example when rolling metal strip, the stress distribution is measured over the width...
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7305859 |
Rolling mill
The rolling mill comprises a pair of work rolls for rolling a plate material in the thickness direction, a guide for guiding the leading end of the plate material between the work rolls, and a...
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7293440 |
Method of setting/controlling wedge in plate material rolling
A wedge setup/control method for plate material rolling ensures that the work side and drive side are equal in the rolled plate thickness. The wedge setup/control method, which is used in...
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7225652 |
Graphical rolled steel sheet flatness display and method of using same
A method for measuring and displaying the flatness of a rolled steel sheet is disclosed that includes the steps of measuring tension in the sheet at a plurality of locations on the surface of the...
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7181822 |
Method and apparatus for controlling strip shape in hot rolling mills
A hot rolling mill and method for operating the hot rolling mill where the shape of the strip is controlled by localized cooling devices positioned at intervals along work rolls in at least three...
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7059161 |
Thin-strip coiler comprising a flatness measuring roll
The invention relates to a method and device for measuring and influencing the strip flatness in the coiler shaft of a hot-strip mill, whereby the coiler shaft has, between a driver and a coiler,...
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7031797 |
Computer-aided method for determining desired values for controlling elements of profile and surface evenness
Input variables, which describe a metal strip prior to and after the passage of a rolling stand, are fed to a material flow model. The material flow model determines online a rolling force...
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6983631 |
Method for operating a mill train and a correspondingly embodied mill train
The invention relates to a mill train ( 1 ) for milling a strip-type product to be milled ( 10 ). Said mill train comprises a number of roll stands ( 2 ) which are successively arranged in a...
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6966207 |
Shape detecting apparatus
A shape detecting apparatus for controlling the tension of a rolled plate, is composed of a pair of fixing members, a supporting frame and a plurality of shape detecting units. The shape detecting...
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6782726 |
Hot-rolling mill with flatness measuring roller
The invention relates to a hot rolling mill, with at least one flatness measuring roller, pertaining to at least one rolling bed, arranged before and/or after one of the stands, which influences...
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6779373 |
Method for preadjusting and controlling the strip planarity in flexible single-pass and reversing rolling of a strip-shaped material web
A method for preadjusting and controlling strip planarity in flexible single-pass and reversing rolling of a strip-shaped material web using at least one work roll pair forming a roll gap and...
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6668626 |
System and a method for measuring and determining flatness
A system and a method for measuring and determining flatness of a strip ( 1 ) of rolled material. Said system is comprising a measuring roll ( 2 ) having a cylindrical central structure ( 41 )...
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6513358 |
Method and device for controlling flatness
A method for controlling flatness of a strip ( 1 ) of rolled material rolled to a first flatness target and coiled and that is subsequently uncoiled, and a system which employs the method....
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6494071 |
Rolling mill facility with strip shape detection equipment, strip shape detection device, strip shape detection method and rolling method
A rolling mill facility includes a single or plural rolling mills having a pair of top and bottom work rolls and that roll strip steel and strip shape detecting devices installed at least on one...
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6427507 |
Apparatus for measuring the strip flatness
The present invention provides an apparatus for measuring flatness of a hot rolled strip based on a contact load of the hot rolled strip to split rolls of a looper in the hot rolling process. The...
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6393884 |
Method for automatic bow adjustment
The present invention relates to a method for automatic bow adjustment for a venetian blind assembly machine, said bow adjustment station comprising rollers ( 48; 104, 106 ) for guiding, bending...
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6374656 |
Rolling stand for plane products and method to control the planarity of said products
Rolling stand ( 10 ) for plane products and method to control the planarity of said plane products, said rolling stand comprising a pair of working rolls ( 11 a, 11 b ), a corresponding pair of...
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6338262 |
Method for the static and dynamic control of the planarity of flat rolled products
Method to control the planarity of flat products rolled with a rolling stand ( 10 ) having a pair of working rolls ( 11 a , 11 b ), a corresponding pair of back-up rolls ( 13 a , 13 b ) and at...
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6336349 |
Method for the flexible rolling of a metallic strip
A method for the flexible rolling of a metallic strip in which, during the rolling procedure, the metallic strip is lead through a roll gap which is formed between two working rolls, and during the...
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6286349 |
Flatness measurement system for metal strip
The invention relates to a flatness measurement and control system for metal strip, which makes it possible to obtain improved strip or coil quality by a simple and effective measurement of...
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6269668 |
Cold tandem rolling method and cold tandem rolling mill
The present invention is to provide a tandem cold rolling method conducted by a tandem cold rolling mill, the number of rolling stands of which is not less than 4, wherein a rolling tension, the...
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6263716 |
Hot strip reversing mill with a shapemetering apparatus
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6230532 |
Method and apparatus for controlling sheet shape in sheet rolling
During rolling with a rolling mill, which includes a sheet shape altering device capable of altering a mechanical sheet crown, while the sheet shape altering device is operated correspondingly with...
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6216505 |
Method and apparatus for rolling a strip
A method and apparatus for rolling a strip by a rolling mill wherein one back-up roll of the pair of back-up rolls is a variable crown roll having a single oil chamber and the other back-up roll is...
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6199418 |
Flatness control apparatus for a hot rolling mill
A flatness control apparatus for controlling the flatness of a strip in a hot rolling mill, wherein a strip width meter measures center line error values of the strip. The center line error values...
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6164104 |
Method of and apparatus for measuring planarity of metal strip
The planarity of a strip, especially metal strip is measured in a measurement zone in which the tension of the strip has been reduced in a targeted way by braking the strip. The braking force...
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6161405 |
Apparatus for controlling a rolling mill based on a strip crown of a strip and the same
A rolling mill is equipped with a work roll bending apparatus for controlling the strip crown of the strip. Upstream and downstream of the rolling mill are located strip crown meters which measure...
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6158260 |
Universal roll crossing system
A method for hot rolling and cold rolling metal strip to a finish strip thickness, profile and flatness in a series of rolling mills each having roll bending and roll crossing capabilities to...
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5970765 |
Method and apparatus for rolling strip
A method of rolling strip in a strip rolling train having at least two roll stands, each roll stand having horizontally adjustable upper and lower work rolls, wherein the work rolls act alone as a...
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5964114 |
Method of regulating the stress distribution in metal strips or sheet, especially of nonferromagnetic metals
A strip line or line for processing nonferrous metal sheets and plates has linear motor stators provided for contactless adjustment of the tension or stress distribution in response to planarity...
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5960657 |
Method and apparatus for the control of rolling mills
The present invention includes the following constituent elements, namely: firstly, calculation of the set-up rolling conditions having the target values of rolling load, strip width and strip...
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5950478 |
Hot tandem rolling mill
There are provided an even number of paired roll-shift type rolling mills 12a, 12b and a controller 16 for controlling the rolling mills 12a, 12b. Each of upper and lower work rolls 13 of each of...
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5927117 |
Methods to measure and control strip shape in rolling
A method to measure strip shape in rolling and a method of using the measuring method to control the same are provided in present invention, which can dramatically simplify the computation during...
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5901591 |
Pinch roll shapemetering apparatus
A shape detection device incorporated as part of a pinch roll assembly in a hot strip reversing mill. The shape detection device replaces one of the rolls in the pinch roll assembly. The shape...
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5860304 |
Strip crown measuring method and control method for continuous rolling machines
In the continuous rolling mills, the strip crown and the strip flatness of a strip can be controlled to any desired value. In the strip crown measuring method, the strip crown of the first stage...
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5509285 |
Method and apparatus for measuring flatness and rolling control apparatus
A rolled strip extending out of a rolling stand is pushed by a push roll to apply a tension to the strip. The flatness measuring surface of a flatness bar is moved above the pass line to measure...
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5502992 |
Regulation system in the manufacture of hot rolled strips by means of a multi-stand hot rolling mill
The invention relates to control in the manufacture of hot strip by means of a multi-stand hot-strip rolling mill, especially a wide-strip rolling mill, which has a higher-order process control...
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5493885 |
Method and apparatus for controlling rolling process in hot strip finish rolling mill
The sheet profile of a strip on the outlet side of a final stand coincides with a desired value without deforming the shape of the strip, by using a hot strip finish rolling mill having a number of...
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5461895 |
High capacity hydraulic leveller
An improved plate leveller comprising a housing, a rigid top beam and a bottom beam mounted on the housing, a flexible beam disposed between the upper rigid beam and the bottom beam and connected...
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5235835 |
Method and apparatus for controlling flatness of strip in a rolling mill using fuzzy reasoning
A rolling mill comprising an actuator for controlling shapes or conditions of work roll surfaces during rolling and a flatness meter for detecting broadwise flatness of rolled strip to generate an...
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5126947 |
Method of controlling plate flatness and device therefor
An improved plate flatness control method adapted to effect a control so that plate flatness of a rolled material is made optimum by adjusting manipulated variables. In determining correction...
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5010756 |
Method of and apparatus for controlling shape of rolled material on multi-high rolling mill
A method of and a device for controlling a counter of a rolled material on a multi-high rolling mill with which method and device very accurate shape control can be attained with certainty and in...
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4881396 |
Rolling mill stand with axially slidable rolls
A rolling mill stand with work rolls which are supported as necessary by back-up rolls or by intermediate and back-up rolls. The rolls are axially slidable relative to each other. The bodies of the...
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4805492 |
Method for controlling a shape of a plate
In rolling mill equipment provided with a roll bending mechanism for removing an unacceptable shape of a plate in width direction of the plate and a crown of a plate in the form of an uneven...
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4771622 |
Strip rolling mill apparatus
A multistand tandem strip rolling mill and associated method wherein effective control of gauge and shape are provided. Shape monitoring sensors may be provided adjacent to a first mill stand and...
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4753093 |
Planarity control in the rolling of flat stock
A conventional planarity control system with feedback loop is used but augmented by a lead function having its principal input actually occuring rolling force and variations thereof under...
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4726213 |
Method of controlling a shape of a rolled sheet material
A shape controlling method for controlling the shape of a sheet rolled in a rolling mill, with the shape pattern of the sheet being approximated by a formula of an order of a large number, in...
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4718262 |
Method for controlling edge taper in metal rolling mill
A method for controlling edge taper ("feather") in a rolled metal strip utilizes a rolling mill having at least one pair of opposed work rolls through which the strip is passed for thickness...
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