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WO/2022/264248A1 |
In the present invention, a preset calculation, cooling history management, a feed-forward calculation, and a feedback calculation are performed. In the preset calculation, a plurality of cooling banks are set as a feed-forward bank or a...
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WO/2022/263266A1 |
According to the invention, a control device (3) receives actual variables (I) of a flat rolled product (2) before rolling and target variables (Z) of the rolled product (2) after rolling in a rolling mill. The target variables (Z) compr...
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WO/2022/262580A1 |
Disclosed in the present invention is hot-rolled H-shaped steel, which comprises a web plate, a first flange plate and a second flange plate, wherein a thickness difference |T1-T2| between the first flange plate and the second flange pla...
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WO/2022/258376A1 |
The invention relates to a method for producing a microalloyed steel, to a microalloyed steel, and to a combined casting/rolling installation. The combined casting/rolling installation (10) has a strand casting machine (15) with a mold (...
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WO/2022/258350A1 |
The invention relates to a method for cooling a rolled product (15) in a cooling section (19) which is located upstream of a finishing train (9) of a hot rolling mill (1) and which comprises at least one cooling device (21, 22, 23) by me...
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WO/2022/248093A1 |
The present invention relates to stabilizing the work rolls (1) and the backup rolls (2) of a roll stand (30) during the hot rolling of a rolling material (31) to form a strip (32) in the roll stand (30). The problem addressed by the inv...
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WO/2022/243425A1 |
The invention relates to a method for operating a roll stand (150) for rolling a metal strip, with at least one lateral guide rule (350) for guiding the metal strip. Seen in the direction of transport of the metal strip, the at least one...
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WO/2022/239157A1 |
The learning control device according to an embodiment of the present invention calculates a predicted value on the basis of an actual value measured in a rolling process, calculates an instantaneous value of a learning rate on the basis...
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WO/2022/227891A1 |
A method for preparing non-quenched and tempered steel for large-specification direct cutting. The steel components are: 0.40-0.48％ C, 0.20-0.35％ Si, 0.80-1.30％ Mn, P≤0.020％, S≤0.035％, 0.10-0.20％ Cr, 0.05％-0.13％ V, 0....
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WO/2022/230229A1 |
The present invention provides a cold-rolled steel sheet manufacturing method using: a full-width heating device that heats a steel sheet over the entire area thereof in the width direction; an edge-section heating device that heats edge...
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WO/2022/230230A1 |
The method for manufacturing a cold-rolled steel sheet pertaining to the present invention uses a transverse-type full-width heating device that heats a steel sheet across the entire width direction of the steel sheet, and a cold rolling...
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WO/2022/226460A1 |
Systems and associated methods for controlling roll steering during rolling of a metal substrate may include a steering control actuator adapted to control an inclination of a work roll of a work stand of the rolling mill, a sensor confi...
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WO/2022/223297A1 |
The present application relates to a method for operating a casting-rolling mill (1) for casting and rolling a strand material (3), the casting-rolling mill (1) comprising: - a continuous casting machine (2) with a continuous casting mac...
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WO/2022/217718A1 |
A uniform-tension rolling method, comprising: a strip foil (5) is forms a wrapping arc on a working roll on an intake side of a roll gap, and front tension is uniformly distributed on the cross section of the wrapping arc on the intake s...
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WO/2022/217716A1 |
A rolling device, comprising a rolling mill and an adjusting roller set. The rolling mill uses an asymmetric roller system, and the adjusting roller set uses oil blocking rollers (7) and flattening rollers (6) which are unequal in diamet...
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WO/2022/215304A1 |
In a method for controlling the temperature of cooling water for a steel plate according to the present invention, the thickness of a water film remaining on a steel plate on the exit side of a drainer roll is calculated, a line speed is...
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WO/2022/205794A1 |
Disclosed are steel for a high-cleanliness camshaft and a rolling method therefor. The mass percentages of the chemical components of the steel are as follows: C: 0.17-0.22%; Si: 0.17-0.37%; Mn: 1.10-1.40%; Cr: 1.00-1.30%; P: ≤0.020%; ...
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WO/2022/209320A1 |
A method of generating a steel-plate material prediction model according to the present invention is a method of generating a steel-plate material prediction model in a steel-plate cooling facility provided with a water-cooling apparatus...
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WO/2022/201327A1 |
Provided is a device for controlling meander in a continuous rolling mill with which it is possible to hold the center line of a material subject to rolling at the center line of a continuous rolling mill, in a steady rolling state, with...
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WO/2022/198838A1 |
The present invention relates to a coiling tension control method for an extremely thin steel strip, which solves the technical problem of it being difficult to control the tension during the rolling process of the extremely thin steel s...
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WO/2022/201565A1 |
The purpose of the present invention is to provide a method for producing a hot-rolled steel sheet in which it is possible to predict the temperature history of unevenness in the end faces of a coil. A method for producing a hot-rolled s...
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WO/2022/194467A1 |
The invention relates to a cold-rolling installation (1) for generating a metal strip (2) from steel grades that are sensitive to edge cracks, and a corresponding method for cold-rolling a metal strip from steel. The cold-rolling install...
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WO/2022/183516A1 |
Provided in the present invention is a method for setting a metal composite plate sinusoidal roll-type corrugated roller seam, comprising: according to specification data of a given process, respectively determining the inlet thickness, ...
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WO/2022/176366A1 |
The method for predicting the shape of a steel sheet according to the present invention is a method for predicting the shape of a steel sheet in steel sheet cooling equipment provided with a water-cooling device for spraying cooling wate...
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WO/2022/172524A1 |
The method for calculating a rolling condition for a cold rolling mill according to the present invention includes: an estimation step for inputting second multidimensional data, generated on the basis of unsteady rolling performance dat...
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WO/2022/163177A1 |
Provided are: a steel-sheet walking amount measurement device with which a steel-sheet walking amount can be accurately measured when the steel-sheet walking amount is measured during rolling; a walking amount measurement method; hot-rol...
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WO/2022/160409A1 |
A processing method for a battery aluminum foil. The rolling parameters of the passes of foil rolling and middle rolling and the rolling time interval of two successive passes are controlled, and the rolling parameters in the finishing r...
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WO/2022/157312A1 |
The invention relates to the use of a cold-rolling device (2) for the controlled cold rolling of aluminium foil (20), in particular battery foil, wherein the cold-rolling device (2) has a number of rollers (6, 8), wherein the cold-rollin...
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WO/2022/157826A1 |
Provided is a control device for a hot rolling line, whereby destabilization of cooling in the transition boiling region can be suppressed while maintaining responsiveness of feedback control of winding temperature. The control device co...
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WO/2022/152781A1 |
In a roll stand (1), a planar rolling material (8) consisting of metal is rolled. The working roll inserts (5) are pressed apart from one another by a bending system (10). A base set-point value (FBB*) is supplied to a bending controller...
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WO/2022/152779A1 |
A flat metal material (2) to be rolled is rolled in a roll stand (1). A position controller (6) for controlling the placement of an actuator (5) by means of which a roll gap of the roll stand (1) is set determines an actuating variable (...
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WO/2022/127192A1 |
Disclosed in the present invention is a low-alloy high-strength Q420C steel plate. The steel plate comprises the following chemical components in percentage by mass (wt%): C: 0.16-0.20, Si: 0.15-0.30, Mn: 0.70-0.90, P<0.020, S<0.012, Ti:...
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WO/2022/129434A1 |
The invention relates to a method for controlling a hot strip mill run out table to produce a hot rolled strip using a cooling process, wherein the cooling process on the run-out table is controlled using a number of input parameters dir...
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WO/2022/123911A1 |
The present invention provides a cold rolling method in which it is possible to prevent the occurrence of wrinkles during cold rolling without requiring modification of a rolling mill. Provided is a cold rolling method for rolling a stee...
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WO/2022/116571A1 |
An LSTM-based roll-bending force prediction method for hot rolling, comprising: acquiring final rack rolling data of a hot rolling process of a stainless steel rolling mill; dividing said data into a training set traindata and a test set...
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WO/2022/110812A1 |
Disclosed are a controlled-rolled and controlled-cooled high-strength pearlitic steel rail and a production method therefor. The chemical components of the steel rail comprise, in percentage by mass: 0.71-0.85% of C, 0.45-0.70% of Si, 0....
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WO/2022/111191A1 |
Disclosed are a top hat steel rolling method and a top hat steel. The process flow of the present rolling comprises: heating → high-pressure water descaling → cogging and blank rolling → reciprocating continuous rolling → cooling...
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WO/2022/105294A1 |
The present invention provides an interval prediction method for a hot rolling coiling temperature, comprising the following steps: obtaining input data and output data according to original data of a rolled piece and actually measured s...
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WO/2022/106707A1 |
The invention relates to a method for adjusting at least one property, in particular the grain size and/or the recrystallization behavior, of a hot-rolled strip in a hot strip mill. The aim of the invention is to allow predefined target ...
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WO/2022/102138A1 |
This continuous rolling system matches the actual rolling load ratio between all of stands during continuous rolling to a target rolling load ratio. The continuous rolling system tracks a tracking point set on a rolling subject material,...
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WO/2022/095761A1 |
Disclosed in the present invention are a super-thick-gauge hot rolled H-beam and a production method therefor, the chemical components thereof comprising in mass percentage: C: 0.04-0.11, Si: 0.10-0.40, Mn: 0.40-1.00, Cr: 0.40-1.00, Cu: ...
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WO/2022/097501A1 |
This rolling control device (10) updates a preset load value Pset on the basis of an operation result at timings ta-tb. The rolling control device (10) derives a plasticity coefficient Qchk on the basis of the operation result at timings...
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WO/2022/096206A1 |
The invention relates to a method for opening and/or closing a roll stand (1) having two working rolls (10) forming a nip (S) in which a rolled product (B) transported in a conveying direction (R) can be formed, wherein the positioning o...
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WO/2022/091487A1 |
This metal strip meandering amount detection method detects the amount of meandering of metal strips that are traveling in a plurality of overlapping levels having intervals therebetween and comprises a step in which: a plurality of dist...
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WO/2022/091486A1 |
A meandering amount detection method for a metal strip according to the present invention detects the amount of meandering of metal strips that are traveling at a plurality of levels with intervals therebetween, and includes: a first ste...
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WO/2022/083263A1 |
A roller table aluminum pickup control method based on micro torque of a driving roller, the method comprising: selecting, in areas near to two sides of a rolling mill, a driving roller separately driven by an individual electric motor t...
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WO/2022/070534A1 |
The present invention is to execute precise reprinting of a mark in a processing line different from a processing line in which printing has been carried out. A metal strip is subjected to processing in a plurality of processing lines. T...
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WO/2022/063594A1 |
The invention relates to a device (10) and a method for rolling a metal strip. According to the invention, a distance between the upper/lower backup roll (18; 20) at at least one point thereof in each case and a predefined upper/lower re...
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WO/2022/062176A1 |
An EW 420 extra thick marine steel sheet, which relates to the technical field of steel production. Internal defects such as blank segregation and loosening are reduced and the inclusion elements As, Sn, Sb, Pb, Bi and B are controlled b...
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WO/2022/057925A1 |
A method for improving the surface quality of a twin roll cast and hot rolled thin strip steel is disclosed. The method comprises: (a) designing a quadratic curve for a full length L of a body of a pinch roll; (b)determining a region H w...
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