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WO/2020/074620A1 |
The invention relates to a controller (2) and a method for controlling a stretch-reducing rolling mill (1) for rolling tubes (R), having multiple roll stands (10) arranged one behind the other in the conveyor direction (F) of the tubes (...
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WO/2020/069875A1 |
A metal strip (2) passes through a plurality of roll stands (3) of a rolling mill line (1) one after the other sequentially. A control device (4) of the rolling mill line (1) controls actuators (9, 10) of a downstream roll stand (3f) and...
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WO/2020/072864A1 |
A system for controlling a plant having a rolling mill for producing thin strip product is provided herein. The system includes a thickness gauge and a controller. The thickness gauge is positioned at the exit of the rolling mill to make...
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WO/2020/067704A1 |
The present invention relates to a magnesium alloy sheet, which comprises, on the basis of 100 wt% of an entire magnesium alloy sheet, 0.1-1.5 wt% of Zn, 0.08-0.7 wt% of Gd, and the balance of Mg and other inevitable impurities, and sati...
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WO/2020/063187A1 |
Disclosed is a method of emulsion concentration optimization for a cold continuous rolling mill set for the purpose of vibration suppression, the method comprising: defining the process parameters involved in the process of emulsion conc...
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WO/2020/057824A1 |
The invention relates to hot rolling stock (1) made of metal which is rolled in at least one roll stand (2) and then cooled in a cooling section (5) arranged downstream of the at least one roll stand (2). Sound generated by means of a so...
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WO/2020/052854A1 |
A cooling section (2) is situated in a rolling line or upstream or downstream of the rolling line. A hot metal rolled material (1) is cooled in the cooling section. A control device (13) of the cooling section (2) dynamically determines ...
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WO/2020/046016A1 |
The present invention relates to: a wire rod for cold heading, which ensures cold forgeability and also has improved hydrogen-delayed fracture resistance by reducing the Si content thereof and containing Mo and V added thereto; a process...
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WO/2020/035107A1 |
The invention relates to a method and a system for producing strip sections (1) from a strip material (2) made of sheet metal, wherein, over the length of the strip material (2), flat or profiled strip sections (1) are created via flexib...
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WO/2020/036123A1 |
A method for identifying a thrust reaction force acting point on a reinforcing roll in a rolling mill having four or more rolls, said method including: a step in which the friction coefficient between rolls and/or the cross angle between...
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WO/2020/020192A1 |
A tension system optimization method for suppressing vibration of a cold tandem rolling mill. The method aims to suppress vibration occurring in a high-speed rolling process of a cold tandem rolling mill, and provides a rolling machine v...
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WO/2020/020191A1 |
An emulsion flow optimization method suitable for a cold continuous rolling mill that aims to achieve vibration suppression. Said method aims to suppress vibrations, and by means of an oil film thickness model and a friction coefficient ...
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WO/2020/020868A1 |
The invention relates to a cooling section (2) arranged within a rolling train or upstream or downstream of the rolling train. A hot-rolled product (1) made of metal is cooled by means of the cooling section (2). Application devices (6) ...
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WO/2020/020644A1 |
The invention relates to a method for producing a hardened steel product, comprising the steps: providing a steel substrate (2) made of a hardenable steel; coating the steel substrate (2) with an aluminum pre-coating (4), the pre-coating...
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WO/2020/016387A1 |
The invention relates to a method for ascertaining control variables for active profile and flatness control elements for at least one rolling stand for hot-rolling a metal strip using a plurality of i=1...I successive passes and for asc...
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WO/2019/239494A1 |
This steel plant control device comprises the following configuration. A subtracter (1) outputs the deviation between a target value and a control amount fed back from a control object (1). A PI controller (3) inputs the deviation, and u...
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WO/2019/241514A1 |
Systems and methods of quenching a metal substrate include cooling a top surface and a bottom surface of the metal substrate until a strip temperature is cooled to an intermediate temperature. Cooling of the top surface of the metal subs...
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WO/2019/228985A1 |
The invention relates to a method for avoiding strips sticking on flexibly rolled metal strip, wherein after flexible rolling (S10), a metal strip (2) is wound to form a coil (3) and is subject to thermal treatment (S40), wherein before ...
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WO/2019/230850A1 |
This rolling mill having at least four stages is provided with: measuring devices each of which measures, with respect to any one reference roll, a rolling direction force acting at least on a work-side roll chock and a drive-side roll c...
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WO/2019/224906A1 |
An industrial plant image analysis device and an industrial plant monitoring control system which are provided with the following configurations. A moving image data collection unit (21) collects moving image data in real time, said movi...
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WO/2019/221297A1 |
Provided is a 4-high or more rolling mill comprising a plurality of rolls that includes at least a pair of work rolls and a pair of reinforcing rolls supporting the work rolls, wherein any one roll among the rolls arranged in the depress...
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WO/2019/215131A1 |
The invention relates to a variably rolled steel strip, sheet or blank, having at least one portion having a high thickness and at least one portion having a low thickness, wherein the variation in thickness between the high thickness an...
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WO/2019/217700A1 |
An apparatus for continuously casting thin strip comprises a pair of internally cooled counter-rotatable casting rolls having casting surfaces, the pair of casting rolls laterally positioned to form a gap at a nip between the casting rol...
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WO/2019/215197A1 |
The invention relates to a roll stand, having at least one working roll for rolling strip material and having a hydraulic assembly for controlling a nip of the roll stand, comprising: at least one hydraulic positioning unit (1) for setti...
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WO/2019/215045A1 |
The invention relates to a method for dynamic nip control during flexible rolling of metallic strip material, having the following steps: specifying (V10) a target thickness profile (1) having defined target corner points (E) and profile...
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WO/2019/211071A1 |
The invention relates to a process for operating a cooling section (3) of a system (1) for producing rolled products, wherein the cooling section (3) is operated using a physical cooling model, which can be adapted to the cooling task in...
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WO/2019/197254A1 |
The invention relates a cooling device (100) for cooling a metal product and to a method for operating same. The cooling device (100) has at least one cooling bar (110) having a plurality N of spraying regions I, II, III adjacent to each...
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WO/2019/197182A1 |
The invention relates to a cooling apparatus (100) for cooling a metal material and to methods for operating and producing the cooling apparatus. The cooling apparatus has at least one cooling beam (110) having a plurality of coolant app...
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WO/2019/187994A1 |
The present invention provides a roll press device provided with: a one-side roll support portion rotatably supporting a one-side roll; an other-side roll support portion rotatably supporting an other-side roll; and a moving device which...
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WO/2019/187508A1 |
A rolling mill equipped with a pair of rolls that includes a first roll and a second roll for rolling a steel bar to be rolled, and a first hydraulic rolling reduction device and second hydraulic rolling reduction device, which are conne...
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WO/2019/172182A1 |
[Problem] To suppress meandering and camber in a material to be rolled. [Solution] A method for setting an at least four-stage rolling mill, the method including: a first step for establishing a roll-open state before draft position zero...
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WO/2019/145079A1 |
The invention relates to a method and a regulating device for regulating a rolling process, wherein a rolling material (3) is rolled in a rolling gap (9) between two working rollers (7) of a rolling stand (1). According to the invention,...
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WO/2019/138908A1 |
According to the present invention, for each rolling machine, a rolling torque Gi before biting at a downstream stand is stored, the rotation speed at a furthest downstream stand Rn is controlled so as to satisfy Gn-1=Gn-1* after biting ...
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WO/2019/132457A1 |
The present invention relates to a method for manufacturing hypo-peritectic steel. An embodiment of the present invention provides a method for manufacturing hypo-peritectic steel, the method comprising the steps of: continuously casting...
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WO/2019/132408A1 |
An embodiment of the present invention provides an ultra-thin hot rolled steel sheet having excellent isotropy, and a manufacturing method thereof, the steel sheet comprising, 0.020 to 0.080 wt% of C; 0.05 to 0.50 wt% of Mn; 0.05 wt% or ...
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WO/2019/132502A1 |
The present invention relates to a load distribution setting device for a rolling mill utilizing artificial intelligence, and the load distribution setting device for a rolling mill, according to one embodiment of the present invention, ...
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WO/2019/132335A1 |
A rolling mill control device using artificial intelligence, according to one embodiment of the present invention, comprises: an AI controller using artificial intelligence on the basis of input information so as to calculate and output ...
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WO/2019/124705A1 |
The present invention relates to a rolling roll, which can improve press moldability and coating image clarity of a plated steel sheet, a rolling roll surface treatment method, and a plated steel sheet manufactured by a rolling roll, the...
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WO/2019/115145A1 |
In a cooling path, hot rolled material (3) composed of metal is cooled. The cooling path has a pump (7) which extracts coolant (2) from a coolant reservoir (8) and feeds said coolant via a line system (9) to a number of coolant outlets (...
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WO/2019/112365A1 |
The present invention relates to a control system for setting rolling oil spray rate during hot rolling, wherein, during lubricated rolling in a hot rolling process, artificial intelligence can be utilized to spray rolling oil at an appr...
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WO/2019/111647A1 |
Provided is a rolling system control device (40) that is inexpensive and can achieve highly accurate power factor compensation. Accordingly, the rolling system control device (40) is applied to a rolling system having: a measurement unit...
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WO/2019/112758A1 |
A rolling mill for producing rolling mill product is provided. The rolling mill includes a rolling mill line that moves the rolling mill product. A plurality of rolling mill stands are coupled to the rolling mill line that receives the r...
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WO/2019/105264A1 |
Disclosed is a high-strength high-toughness and wear-resistant composite steel plate, comprising a substrate layer and a composite layer of which a single side or double sides are composited on the substrate layer; the substrate layer is...
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WO/2019/107721A1 |
The present invention relates to a method for producing a copper-titanium (Cu-Ti)-based copper alloy material, and a copper alloy material produced thereby, wherein a copper alloy material for vehicles and electronic components requiring...
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WO/2019/107409A1 |
Provided is a method for manufacturing a seamless steel tube, whereby coarsening of crystal grains can be suppressed in a boring machine. The method for manufacturing a seamless steel tube according to the present embodiment is provided ...
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WO/2019/101727A1 |
The invention relates to a method for controlling a stretch-reducing mill in which tube ends of stretched tubes are optimised by controlling one or more motors of the stretch-reducing mill (1), said method comprising at least one wall th...
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WO/2019/102549A1 |
An industrial plant data reproduction device comprises the following configuration. A process data collection unit (11) collects process data relating to a device group constituting an industrial plant, and to materials processed by the ...
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WO/2019/102790A1 |
This computation device is provided with a main computation unit (23) that computes a shift amount produced in an intermediate roll (10) due to to an intermediate roll shift mechanism (2), or a corrected value of said shift amount, using...
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WO/2019/102791A1 |
Through the present invention, shape control for a rolled material, for endowing a rolled material with a good rolling shape, is realized using a numerical expression determined on the basis of a highly versatile mathematical model that ...
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WO/2019/017607A9 |
The present invention relates to a system for manufacturing an electrode for a secondary battery, the system comprising: a supply roller for supplying a long sheet-shaped current collector; an electrode active material coating device for...
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