EP4031304B1 - Guide intermédiaire de cage avec une cage de laminoir verticale d'un train de laminoirs, et procédé de guidage du produit laminé à l'aide du guide intermédiaire de cage - Google Patents

Guide intermédiaire de cage avec une cage de laminoir verticale d'un train de laminoirs, et procédé de guidage du produit laminé à l'aide du guide intermédiaire de cage Download PDF

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Publication number
EP4031304B1
EP4031304B1 EP20767493.8A EP20767493A EP4031304B1 EP 4031304 B1 EP4031304 B1 EP 4031304B1 EP 20767493 A EP20767493 A EP 20767493A EP 4031304 B1 EP4031304 B1 EP 4031304B1
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EP
European Patent Office
Prior art keywords
guide
stand
vertical roll
guide element
vertical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20767493.8A
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German (de)
English (en)
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EP4031304A1 (fr
Inventor
Stefan Wendt
Ron Beuter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Group GmbH
Original Assignee
SMS Group GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP4031304A1 publication Critical patent/EP4031304A1/fr
Application granted granted Critical
Publication of EP4031304B1 publication Critical patent/EP4031304B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/14—Guiding, positioning or aligning work
    • B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/06—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged vertically, e.g. edgers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/021—Twin mills

Definitions

  • the invention relates to an intermediate stand guide with a vertical rolling stand of a rolling train for guiding the rolling stock with at least one guide element which is mounted on the vertical rolling stand and can be adjusted together with an adjusting movement of a vertical roll and which follows the adjusting movement of the vertical roll.
  • the vertical rolling stands serve to reduce the width of the rolling stock to a required width and/or to take on strip guiding tasks, whereas the horizontal rolling stands primarily reduce the thickness of the rolling stock.
  • Guidance of the rolling stock is also essential in transitions between a horizontal rolling stand and a downstream vertical rolling stand or in an arrangement of several vertical rolling stands arranged one behind the other. In such cases, the guidance of the tape head is also important.
  • a rolling stock guide device with a vertical rolling mill with a pair of vertical rollers on both sides above the rollers of the Rolling table conveying rolling stock is arranged, transversely to the rolling direction displaceable, adjustable and fixable carriers of vertical guide plates for the rolling stock are known, the guide plates with their respective carriers follow the positioning movement of the vertical roller and the arrangement of the guide devices in front of or behind the Rolls also enable reversing operation of the roll stand without additional devices.
  • the carrier of the guide plates is connected on the back to a linear actuator of a mechanically or hydraulically driven displacement device which is firmly arranged on the bearing body of the vertical roller.
  • the guide plates assigned to the two vertical rolls are brought into the positions corresponding to the width of the rolling stock to be rolled using an adjusting key and guide it as it enters the roll gap and then as it continues through.
  • the prescribed solution has the disadvantage that the guide plates can only be adjusted by using personnel in the machine.
  • those from the EP 1 434 658 B1 Known guide plates only provide lateral guidance for the rolling stock. The tilting moments transmitted by the rolling stock can only be absorbed to a limited extent.
  • An intermediate stand guide with a vertical roll stand according to the preamble of claim 1 is, for example, from JP H04 84616 A known. Further state of the art is from the documents WO 03/033184 A1 and JP H03 238102 A known.
  • the invention is based on the object of providing an intermediate stand guide with a vertical roll stand, which enables reliable adjustment of the offset dimension outside the machine or outside the vertical and/or horizontal roll stand.
  • an intermediate stand guide with a vertical rolling stand of a rolling train is used to guide the rolling stock into a downstream one Horizontal rolling stand and / or provided from an upstream horizontal rolling stand, which comprises at least one guide element which is mounted on the vertical rolling stand and which is adjustable together with an adjusting movement of a vertical roller assigned to it and which follows the adjusting movement of the vertical roller, the guide element increasing by a predetermined offset amount the edge of the vertical roll that is in engagement with the rolling stock is set back or set back transversely to the rolling direction, the guide element being connected to a traverse of the vertical rolling stand and the offset dimension can be specified, among other things, via an installation distance of the vertical roll to the traverse of the vertical rolling stand.
  • the permissible offset can be between 0 to 100 mm, preferably between 10 to 80 mm, preferably between 15 to 70 mm and particularly preferably between 20 to 60 mm.
  • the guide element has an inlet slope. This prevents the rolling stock from accidentally hitting an edge and possibly getting stuck there.
  • the guide element of the intermediate stand guide according to the invention can, for example, be provided for guiding the rolling stock out of or into a horizontal rolling stand.
  • At least one horizontal rolling stand can be connected upstream and/or downstream of the vertical rolling stand.
  • At least two guide elements are expediently provided, with each guide element being set back relative to a vertical roller by the predetermined offset dimension and each following the positioning movement of the associated vertical roller.
  • At least one guide element can be arranged in front of and/or behind a vertical roller in relation to the rolling direction.
  • At least two guide elements are provided, which are arranged on both sides of the vertical roll in relation to the rolling direction, guidance of the rolling stock in and against the rolling direction is ensured, for example if the vertical rolling stand is arranged between two horizontal rolling stands.
  • the vertical rolling stand can be provided both to reduce the width and to guide the rolling stock or exclusively to guide the rolling stock.
  • the guide elements can be designed as angular guide bodies. According to the invention it is provided that the installation distance of the vertical roller relative to the guide element can be predetermined by means of one or more compensating plates of predetermined thickness. This has the particular advantage that the offset dimension can be adjusted outside the machine or the rolling stand using one or more compensating plates of a predetermined thickness.
  • the compensation plates can either be made to measure for the respective application or be available in appropriate gradations.
  • the adjusting movement of the vertical rolls is accomplished via at least one adjusting device, for example in the form of an adjusting cylinder, which acts on the traverse of the vertical rolling stand.
  • the traverse of the vertical rolling stand in turn acts on chocks of the vertical rolls.
  • the vertical rollers are usually mounted in such chocks.
  • the adjusting cylinder can act directly on the chocks of the vertical rollers.
  • the at least one compensation plate is detachably connected to a chock that accommodates the vertical roller. Adjusting the offset dimension is usually necessary from time to time due to wear on the vertical roller. The vertical rollers are usually changed at regular intervals, to rework the diameter of the roller due to the wear that has occurred. If one or more compensating plates with corresponding dimensions or corresponding thickness are connected to the relevant chocks of the vertical roller, it is easily possible to specify the offset dimension each time the roll is changed using compensating plates attached to the chock. In the installed position of the chock with the vertical roller in question, the at least one compensating plate is then arranged between the traverse and the chock. As a result, the offset dimension is specified because the guide element in question is connected to the traverse of the vertical rolling stand.
  • the guide element is attached to the traverse with an overload protection device.
  • At least one predetermined breaking point or at least another flexible attachment of the guide element to the traverse can be provided as overload protection.
  • the guide element can, for example, be attached to the cross member of the vertical rolling stand in question by means of screws, which are equipped with springs that break when a predetermined force is reached.
  • the screws can be provided with predetermined breaking points.
  • the guide element is connected to the traverse of the vertical roll stand via a connecting piece, preferably designed as a bar.
  • the latch can, for example, be designed in such a way that locking and unlocking with the traverse is possible, preferably by means of a tool provided for this purpose, so that after unlocking it is possible to move the vertical roller independently of the then stationary intermediate stand guide.
  • the fixing of the connecting piece relative to the cross member can be designed to be adjustable transversely to the rolling direction, so that further adjustability of the offset dimension X 'can be provided in this way.
  • several engagement locations for the connecting piece can be provided on the crossmember of the vertical scaffolding.
  • the connecting piece is designed as a latch, you can The traverse must have several receptacles for the bolt.
  • the fixing of the bolt in the receptacle can be changed using spacers, wedges or the like.
  • the latch itself could be wedge-shaped or the overload protection is changed in position using spacers, for example, or the overload protection is exchanged for another overload protection with a changed position for the connecting piece.
  • the connecting piece between the guide element and the traverse can be moved via a hydraulic actuating element, via which the connecting piece can be automatically locked and unlocked.
  • the locking process and the unlocking process are monitored and regulated using sensors.
  • the movement and/or position of the guide element relative to the vertical roller can be monitored and regulated using sensors.
  • the guide element is mounted at least in an upper and/or lower guide bed of a vertical roll stand stand.
  • the guide element is slidably mounted in the upper and/or lower guide bed of the vertical rolling stand stand, so that the guide element with the associated vertical roller can carry out a displacement transversely to the rolling direction.
  • the guide element has an upper and/or lower guide, preferably in the form of an upper and/or lower guide stop for the rolling stock.
  • This is particularly advantageous for guiding belt ends. This reliably prevents the band or the band ends from swarming.
  • the guide element can have an L- or C-shaped guide profile.
  • the horizontal and vertical guides formed in this way can be designed to be interchangeable or covered with replaceable wear elements, for example with wear plates be. It is also possible to influence or adjust the offset dimension X' via wear plates that extend to the side of the rolling stock.
  • the guide element is supported at least on one side on a guide table.
  • the guide table can, for example, be mounted in a horizontal roll stand stand of the horizontal roll stand.
  • the guide element is preferably slidably supported on the guide table via at least one plain bearing. Furthermore, it can be advantageous if the guide element in the area of the guide table additionally includes a protection against lifting.
  • the guide element can have at least one removable and therefore replaceable wear plate.
  • a further aspect of the invention relates to a method for guiding the rolling stock in a rolling train using an intermediate stand guide with one or more of the features described above, the offset dimension becomes.
  • the positioning movement of at least one vertical roll of the vertical roll stand can be monitored by sensors in order to adjust and monitor the position of the vertical roll and/or the guide element.
  • the displacement movement of the adjusting device can be monitored, for example, with limit switches, position sensors, pressure sensors or the like.
  • the intermediate stand guide according to the invention can have means for detecting the wear of the vertical rollers and/or the guide bodies.
  • the wear of the vertical roller and/or the guide profiles is detected by sensors and taken into account when adjusting the vertical roller and/or the guide element.
  • the figures show part of a rolling train, which is designed, for example, as a hot strip train.
  • the rolling train comprises at least one vertical rolling stand 1 and a horizontal rolling stand 2 downstream in the rolling direction.
  • the rolling direction is illustrated in the figures with an arrow.
  • the vertical rolling stand 1 serves in a known manner to reduce the width of the rolling stock, for example in the form of a metal strip
  • the horizontal rolling stand 2 serves in a known manner to reduce the thickness of the rolling stock.
  • an intermediate stand guide 3 is provided, which is attached to the vertical rolling stand 1 and effects guidance of the rolling stock on the inlet side of the horizontal rolling stand 2.
  • the intermediate stand guide 3 comprises two guide elements 4, each of which is attached to a cross member 5 of the vertical roll stand 1 in question.
  • the vertical rolling stand 1 comprises a vertical rolling stand stand 15 and two traverses 5 which are displaceably mounted therein and on each of which a vertical roll 6 is held.
  • the vertical rollers 6 are each rotatably and drivably mounted in chocks 7.
  • the adjusting devices 8 each include at least one adjusting cylinder 9, which can be acted upon by a hydraulic pressure medium.
  • the guide elements 4 are each arranged set back by an offset dimension X' transversely to the rolling direction in relation to the front edge of the vertical rolls 6, which are in engagement with the rolling stock during operation of the rolling train.
  • This offset dimension X' is initially fixed.
  • the guide elements 4 are firmly connected to the respective traverse 5 and follow the movement of the chocks 7 caused by the adjusting device 8 and thus the feed movement of the vertical rollers 6.
  • the guide elements 4 are each connected to the traverses 5 of the vertical rolling stand stands 15 with a connecting piece 13 designed as a bar.
  • An overload protection device 14 is provided in the area of the connection.
  • the overload protection 14 is expediently designed in such a way that it is either destroyed in a targeted manner and/or is so flexible that the energy of the overload is changed in a targeted manner.
  • a screw connection with predetermined breaking points or a resilient screw connection can be provided as overload protection 14.
  • the guide elements 4 are slidably mounted in an upper and lower guide bed 16, 17 of the vertical rolling stand stand 15, which enable the guide elements 4 to be displaced transversely to the rolling direction and the guide elements 4 to be supported accordingly.
  • the upper and lower guide beds 16, 17 absorb the forces and moments that occur when guiding the rolling stock.
  • Both the upper and lower guide beds 16, 17 are provided with appropriate lubrication, preferably with grease lubrication.
  • the guide elements 4 each serve to guide the rolling stock laterally into the roll gap 10 between horizontal rolls 11 of the horizontal rolling stand 2 (see Figure 2 ).
  • the lateral guidance of the rolling stock is particularly useful and advantageous for the ends of metal strips.
  • the guide elements 4 are each provided with a C-shaped guide profile 12 on their side facing the rolling stock transversely to the rolling direction.
  • the guide elements 4 are each supported via at least one plain bearing block 18 on a guide table 19, which is attached to a horizontal roll stand stand 20 of the horizontal roll stand 2.
  • the guide table 19 is attached and supported on the horizontal roll stand stand 20 so that its guide surface is aligned below the upper edge of the lower horizontal roll 11.
  • compensating plates 21 are attached to the chocks 7, via which the distance Since the guide elements 4 are each preferably firmly connected to the traverses 5 via the connecting pieces 13, the distance X between the traverse 5 and the associated chock 7 determines the offset dimension X '.
  • the displacement movement of the vertical roller 6 in question is effected on each side of the rolling stock via the adjusting device 8, which acts directly on the associated traverse 5.
  • the traverse 5 in turn acts on the relevant chocks 7, which together with the vertical roller 6 form a structural unit.
  • the offset dimension X 'from the front edge of the vertical roller 6 facing the rolling stock to the relevant guide element 4 would change.
  • the compensating plates 21 provided on the chock 7 it is possible to readjust the offset dimension X 'every time the roll is changed by selecting the corresponding compensating plate 21.

Claims (16)

  1. Guidage de cage intermédiaire (3) avec une cage de laminoir verticale (1) d'un train de laminage pour le guidage du produit laminé avec au moins un élément de guidage (4) qui est monté sur la cage de laminoir verticale (1) et qui peut être réglé conjointement avec un mouvement de réglage d'un cylindre vertical (6) et qui suit le mouvement de réglage du cylindre vertical (6), l'élément de guidage (4) étant agencé en retrait, transversalement à une direction de laminage, d'une distance prédéterminée (X') par rapport au bord du cylindre vertical (6) se trouvant en prise avec le produit à laminer, l'élément de guidage (4) étant relié à une traverse (5) de la cage de laminoir verticale (1), caractérisé en ce que la mesure de décalage (X') peut être prédéfinie sur une distance de montage du cylindre vertical (6) par rapport à la traverse (5) de la cage de laminoir verticale (1)) au moyen d'une ou plusieurs plaques de compensation (21) d'épaisseur prédéfinie et en ce qu'au moins une plaque de compensation (21) est reliée de manière amovible à une pièce de montage (7) recevant le cylindre vertical (6).
  2. Guidage de cage intermédiaire selon la revendication 1, caractérisé en ce que l'élément de guidage (4) est fixé à la traverse (5) au moyen d'une protection contre les surcharges (14).
  3. Guidage de cage intermédiaire selon l'une des revendications 1 ou 2, caractérisé en ce qu'il est prévu comme protection contre les surcharges (14) au moins un point de rupture prédéterminé et/ou au moins une autre fixation flexible de l'élément de guidage (4).
  4. Guidage de cage intermédiaire selon l'une des revendications 1 à 3, caractérisé en ce que l'élément de guidage (4) est relié à la traverse (5) de la cage de laminoir verticale au moyen d'une pièce de raccordement (13) réalisée de préférence sous forme de verrou.
  5. Guidage de cage intermédiaire selon la revendication 4, caractérisé en ce que la fixation de la pièce de raccordement (13) est réalisée de manière réglable par rapport à la traverse (5) transversalement à la direction de laminage.
  6. Guidage de cage intermédiaire selon l'une des revendications 1 à 5, caractérisé en ce que l'élément de guidage (4) est logé au moins dans un plateau de guidage supérieur et/ou inférieur (16, 17) d'un montant de cage de laminoir vertical (15) de la cage de laminoir vertical (1).
  7. Guidage de cage intermédiaire selon la revendication 6, caractérisé en ce que l'élément de guidage (4) est logé de manière coulissante dans le plateau de guidage supérieur et/ou inférieur (16, 17) du montant de cage de laminoir vertical (15).
  8. Guidage de cage intermédiaire selon l'une des revendications 1 à 7, caractérisé en ce que la position de l'élément de guidage (4) par rapport au cylindre vertical (6) est réglable, de préférence hydrauliquement.
  9. Guidage de cage intermédiaire selon l'une des revendications 1 à 8, caractérisé en ce que l'élément de guidage (4) présente un profil de guidage (12) en forme de L ou de C.
  10. Guidage de cage intermédiaire selon l'une des revendications 1 à 9, caractérisé en ce que l'élément de guidage (4) s'appuie au moins d'un côté sur une table de guidage (19), qui est de préférence montée sur un montant (20) de la cage de laminoir horizontale (2).
  11. Guidage de cage intermédiaire selon la revendication 10, caractérisé en ce que l'élément de guidage (4) est supporté de manière coulissante sur la table de guidage (19) par l'intermédiaire d'au moins un palier lisse.
  12. Guidage de cage intermédiaire selon l'une des revendications 1 à 10, caractérisé en ce que l'élément de guidage (4) comporte au moins une plaque d'usure remplaçable.
  13. Procédé de guidage du matériel laminé dans un train de laminage en utilisant un guidage de cage intermédiaire selon l'une des revendications 1 à 12, caractérisé en ce que la mesure de décalage (X') est réglée par une distance de montage détectée du cylindre vertical (6) par rapport à la traverse (5) de la cage de laminoir verticale (1).
  14. Procédé selon la revendication 13, caractérisé en ce que le mouvement de réglage d'au moins un cylindre vertical (6) de la cage de laminoir vertical est surveillé par des capteurs, afin de régler et de surveiller la position du cylindre vertical (6) et/ou de l'élément de guidage (4).
  15. Procédé selon l'une des revendications 13 ou 14, caractérisé en ce que le mouvement et/ou la position de l'élément de guidage (4) par rapport à la position du cylindre vertical (6) est surveillé.
  16. Procédé selon l'une des revendications 13 à 15, caractérisé en ce que l'usure du cylindre vertical (6) et des profilés de guidage est détectée par des capteurs et prise en compte lors du réglage du cylindre vertical (6) et/ou de l'élément de guidage (4).
EP20767493.8A 2019-09-19 2020-08-31 Guide intermédiaire de cage avec une cage de laminoir verticale d'un train de laminoirs, et procédé de guidage du produit laminé à l'aide du guide intermédiaire de cage Active EP4031304B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102019214290 2019-09-19
DE102020206297.8A DE102020206297A1 (de) 2019-09-19 2020-05-19 Zwischengerüstführung an einem Vertikalwalzgerüst einer Walzstraße sowie Verfahren zur Führung des Walzgutes unter Verwendung der Zwischengerüstführung
PCT/EP2020/074222 WO2021052738A1 (fr) 2019-09-19 2020-08-31 Guide intermédiaire de cage sur une cage de laminoir verticale d'un train de laminoirs, et procédé de guidage du produit laminé à l'aide du guide intermédiaire de cage

Publications (2)

Publication Number Publication Date
EP4031304A1 EP4031304A1 (fr) 2022-07-27
EP4031304B1 true EP4031304B1 (fr) 2023-11-08

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EP20767493.8A Active EP4031304B1 (fr) 2019-09-19 2020-08-31 Guide intermédiaire de cage avec une cage de laminoir verticale d'un train de laminoirs, et procédé de guidage du produit laminé à l'aide du guide intermédiaire de cage

Country Status (6)

Country Link
US (1) US20230093771A2 (fr)
EP (1) EP4031304B1 (fr)
JP (1) JP7311705B2 (fr)
CN (1) CN114401802B (fr)
DE (1) DE102020206297A1 (fr)
WO (1) WO2021052738A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023084459A1 (fr) 2021-11-15 2023-05-19 Pfizer Inc. Méthodes de traitement du sars-cov-2

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CN103240285B (zh) * 2013-05-16 2016-02-10 莱芜钢铁集团有限公司 一种实现热轧带钢推床自动夹持对中的方法
CN204262051U (zh) * 2014-11-17 2015-04-15 一重集团大连设计研究院有限公司 全液压下传动式立辊轧机
CN204523794U (zh) * 2015-01-23 2015-08-05 北钢管业（营口）有限公司 一种组合式入口导板装置
TWI664033B (zh) * 2016-05-13 2019-07-01 日商新日鐵住金股份有限公司 修邊方法及修邊裝置
CN106180216A (zh) * 2016-07-20 2016-12-07 合肥天沃能源科技有限公司 一种设有耐磨衬板的滑动进口导卫装置
CN106345845B (zh) * 2016-08-31 2017-12-01 河南明泰铝业股份有限公司 一种铝合金纵剪线废边收卷机
CN206382339U (zh) * 2016-12-14 2017-08-08 攀枝花钢城集团有限公司 轧机出口导卫固定结构
CN206405181U (zh) * 2017-01-22 2017-08-15 西安盛日机电科技有限公司 一种组合式滑动导卫
CN108941217A (zh) * 2018-06-14 2018-12-07 本钢板材股份有限公司 一种轧钢线入口导卫的优化方法
CN109622634B (zh) * 2018-12-20 2023-07-25 柳州钢铁股份有限公司 板坯热连轧粗轧和精轧对中匹配设备

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EP4031304A1 (fr) 2022-07-27
JP7311705B2 (ja) 2023-07-19
US20230093771A2 (en) 2023-03-23
CN114401802B (zh) 2024-02-02
DE102020206297A1 (de) 2021-03-25
JP2022545246A (ja) 2022-10-26
CN114401802A (zh) 2022-04-26
US20220339687A1 (en) 2022-10-27

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