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WO/2024/058989A1 |
A novel bushing (300) is disclosed as used in a bearing in a rolling mill, where a feature of length Z is introduced on the inboard portion (201) of an outer surface (303) of the bushing (300), where the introduced feature allows the bus...
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WO/2024/058785A1 |
A novel bushing 300 is disclosed as used in a bearing in a rolling mill, where a feature of length l is introduced on the inboard portion 301 of an outer surface 303 of the bushing 300, where the introduced feature allows the bushing 300...
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WO/2024/038725A1 |
The rolling mill according to the present invention is provided with a pair of upper and lower rolls arranged in a housing and with a roll chock that holds each of the upper and lower rolls, and a liner having a vibration-reducing functi...
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WO/2024/036986A1 |
A roller apparatus capable of quickly changing a roller, the roller apparatus comprising: a rack (1), and a roller loading box (2) which is provided with multiple hole positions and T-bolts (3) at the respective hole positions, wherein a...
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WO/2024/023863A1 |
A rolling bearing (1) is described comprising a device (10, 20) for contrasting the axial forces (FA) which are generated on rolling cylinders (2a, 2b) during a rolling process, in which said rolling cylinders (2a, 2b) are supported by s...
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WO/2024/022737A1 |
The invention relates to a roll housing (1) of a roll stand for rolling metal material, the roll housing (1) comprising an upper cross-head (2) and a lower cross-head (3), the upper cross-head (2) and the lower cross-head (3) being conne...
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WO/2024/019125A1 |
The present invention comprises: one pair of first intermediate rolls 3a, 3b that have tapered roll shoulders 3c, 3d at positions having point symmetry in the vertical axis direction, and that support one pair of work rolls 2a, 2b for ro...
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WO/2023/243787A1 |
The present invention relates to an asymmetric rolling apparatus capable of improving the physical properties of materials, and a cassette device. The asymmetric rolling apparatus may comprise: a first work roll which contacts a first su...
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WO/2023/243786A1 |
The present invention relates to an asymmetrical rolling device capable of improving the properties of materials, and may comprise: a first work roll, which comes in contact with a first surface of a roll material; a second work roll whi...
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WO/2023/236723A1 |
A roller library for automatic roller changing. The roller library is used for assisting an automatic roller changing robot (j) to complete automatic roller changing work, and comprises a first roller frame (g1), a second roller frame (g...
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WO/2023/228460A1 |
A cold tandem rolling mill 1 (rolling mill) comprises a plurality of stands 3 to 6 for rolling a steel sheet 2 (material to be rolled). At least one stand 3 among the plurality of stands 3 to 6 comprises: at least one pair of work rolls ...
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WO/2023/222546A1 |
The invention relates to a method for providing inserts (1) for support rolls and/or work rolls of a roll stand, which are required during roll changes. In order to simplify the logistics of changing the rolls of a roll stand and in part...
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WO/2023/205021A1 |
A novel sleeve is disclosed as used in a roll in a rolling mill, where a feature of length l is introduced on the tapered end of the inboard portion of an inner surface of the sleeve, where the introduced feature allows the sleeve to def...
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WO/2023/204804A1 |
A novel sleeve (300) is disclosed as used in a roll in a rolling mill, where a feature of length (l) is introduced on the tapered end of the inboard portion (301) of an inner surface (304) of the sleeve (300), where the introduced featur...
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WO/2023/186472A1 |
The invention relates to a roll stand (10) for rolling a rolling stock, comprising: a roll stand frame (3) on the drive side and a roll stand frame (3) on the operating side, wherein, in the two roll stand frames, the necks of working ro...
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WO/2023/078189A1 |
In the technical field of current high-frequency welded pipe production lines, square and rectangular pipes are generally required to be produced by one machine with multiple functions. Square and rectangular pipes of multiple specificat...
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WO/2023/057182A1 |
A rolling mill stand (400) for rolling a metallic product (P') comprises, inter alia: first and second movable rails (414, 416) arranged to allow unimpeded movement of work roll chocks (506, 508) of upper and lower work rolls (504) when ...
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WO/2023/052324A1 |
The invention relates to a seal assembly (25) comprising: a primary sealing unit (26) which seals off a first chamber (24) from a second chamber (27); and a dam sealing unit (28) which delimits the second chamber (27) from a discharge ch...
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WO/2023/001599A1 |
The invention relates to a roll-changing device (1) for changing the working and/or intermediate rolls (2) of a roll stand, the roll-changing device (1) comprising a roll-changing carriage (3) with which rolls (2) to be changed out or in...
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WO/2022/261782A1 |
A turret roll forming machine includes at least one turret assembly carrying multiple rows of tooling (e.g., forming rollers), rotatable about an axis to selectively align rows of tooling with an input or output. A transmission is access...
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WO/2022/262326A1 |
An energy-saving pendulum shear for thin slab continuous casting and continuous rolling. A guide sleeve (4) and a guide rod (5) are arranged between an upper shearing device (8) and an eccentric crankshaft (3) of the pendulum shear; one ...
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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/2022/260865A1 |
Disclosed is a system for use in a rolling mill having: (a) a roll holder housing a plurality of rollers; (b) a smart module coupled to the roll holder, the smart module comprising: (1) a power source powering the smart module; (2) a mic...
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WO/2022/257672A1 |
In a straight seam steel pipe production line, due to the diversification of products, the production line of a manufacturer often needs to change the specifications of the products, and it is also required that the production line has t...
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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/2022/242933A1 |
The invention relates to a cassette (100) for at least one working roller (10) in a roll stand (50) for rolling material to be rolled, in particular a metal strip, comprising; a cassette main body (110) with an elongated recess (122) bor...
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WO/2022/243004A1 |
The invention relates to a journal bush (100) as part of an oil film bearing in a roll stand, the journal bush (100) accommodating the conical roll journal of a roll, in particular a supporting roll of the roll stand. The oil film bearin...
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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/2022/223927A1 |
The present disclosure relates to a robotic system (1) for an installation for rolling a metal strip, said installation comprising a rolling mill (L) having a mill stand and a set of rolls inside the stand, wherein the mill stand has an ...
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WO/2022/165920A1 |
An intelligent cross wedge rolling mill for a large-sized axle in rail traffic. Two lower journals (409) are respectively detachably connected to left and right end faces of a lower roller (451); two upper journals (408) are respectively...
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WO/2022/166654A1 |
An asynchronous rolling mill having a super large diameter ratio, comprising a rolling mill stand (1), a pressing device (20), a balancing device (21), an upper roll system, and an arc-shaped plate device. The arc-shaped plate device com...
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WO/2022/162596A1 |
A system for monitoring the parameters representative of operating conditions of an oil film bearing, wherein an oil film is arranged between a static component (2) and at least one rotating component (3, 4) defining an axis (X), said at...
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WO/2022/126321A1 |
A finishing mill drum-shaped toothed shaft, comprising a roller end assembly, an intermediate shaft, and a tooth end assembly which are sequentially connected; and further comprised are a balancing apparatus and a bearing seat assembly f...
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WO/2022/105427A1 |
Provided are an automatic roll-changing apparatus and method for a continuous pipe rolling mill; the roll-changing apparatus comprises a drive arm (4), a first drive (5), a second drive (7), a swing arm (8), and a support arm (9), arrang...
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WO/2022/106093A1 |
The invention relates to a roll device (1) for rolling metal strips, comprising at least a first and a second work roll (4, 6, 6') which define a roll gap (W) therebetween, and at least a first and a second support roll (11, 12), wherein...
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WO/2022/100908A1 |
The present invention relates to a bearing securing system (1) for mounting, holding and removing a bearing unit (2) on a conical journal (3) of a roll (4) which is provided for rolling a rolling material. The present invention also rela...
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WO/2022/063615A1 |
The invention relates to a roller assembly (1) comprising two roller shafts (3) which are mounted in a housing (2). The roller shafts (3) are preferably mounted parallel to each other, and each roller shaft (3) has at least one roller ri...
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WO/2022/050258A1 |
The present invention addresses the problem of controlling thermal deformation of upper and lower press rolls, and enabling highly precise compression of a thin film material or the like for an electrode material for a secondary battery ...
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WO/2022/030004A1 |
The present invention comprises: an upper work roll 710; radial bearings 790A, 790B, a thrust bearing 792 that are provided on a work side and a drive side of the upper work roll 710 and support the upper work roll 710; shift cylinders 7...
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WO/2022/012994A1 |
A hand-powered jewellery rolling mill (1) is disclosed. The mill ()1 comprises a support frame and a pair of opposed parallel cylindrical rollers (10, 12) rotatably mounted to the support frame. A drive shaft is connected to at least one...
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WO/2021/209332A1 |
The present invention relates to a roll stand (1), comprising a roll (3), in particular a backup roll, mounted via an oil film bearing (2) wherein: the oil film bearing (2) has a sealing system for sealing the oil film bearing (2) to pre...
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WO/2021/205548A1 |
A rolling mill comprises: bending cylinders 740, 741, 744 for applying a bending force in the vertical direction to bearing boxes 712, 713 to bend work rolls 710, 711; a backlash removal cylinder 760 for applying a pressing force in the ...
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WO/2021/181039A1 |
The invention relates to a method for changing the working roll (12) in a rolling mill, which limits the risk of scratching the working roll (12), or even the risk of scratching the metal strip, during the removal or insertion of the wor...
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WO/2021/178358A1 |
A roll mounting system is provided that includes a roll assembly (200) coupled to one or more rolls (201). The roll assembly (200) is configured to position the one or more rolls (201) using a tapered assembly (204) for mounting or dismo...
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WO/2021/175636A1 |
The invention relates to a roll stand (1), in particular for flexibly rolling strip material, comprising at least two working rollers (2, 3), which can be adjusted relative to one another by means of a hydraulic assembly in order to set ...
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WO/2021/156247A1 |
The invention relates to a rolling assembly, in particular a rolling mill (20), comprising at least one roll stand (21) which is erected on a foundation (30). The invention is characterized in that the roll stand is decoupled from the fo...
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WO/2021/152716A1 |
A rolling machine comprising: a roll for rolling a metal sheet, the roll being capable of shifting in the axial direction, and having a tapered section at the axial-direction end part thereof; and a heating unit that heats the tapered se...
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WO/2021/151571A1 |
The invention relates to a rolling device (1) comprising at least one upper and a lower working roll (3, 4) and comprising at least one upper and a lower support roll (5, 6), wherein the working rolls (3, 4) and the support rolls (5, 6) ...
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WO/2021/143312A1 |
An automatic roll frame assembling and disassembling device, comprising a basic roll frame (1a), rollers (1b), and a mounting rack (2c), the rollers being installed on the basic roll frame, and further comprising a power device (3p) prov...
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WO/2021/122074A1 |
The invention relates to a method for changing a roll configuration in a roll stand having a cassette-type design, wherein: the roll stand comprises at least two work rolls (3); during a configuration change, at least one work roll (2) o...
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