WO2010012465A2 - Dispositif de laminage - Google Patents

Dispositif de laminage Download PDF

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Publication number
WO2010012465A2
WO2010012465A2 PCT/EP2009/005525 EP2009005525W WO2010012465A2 WO 2010012465 A2 WO2010012465 A2 WO 2010012465A2 EP 2009005525 W EP2009005525 W EP 2009005525W WO 2010012465 A2 WO2010012465 A2 WO 2010012465A2
Authority
WO
WIPO (PCT)
Prior art keywords
work roll
rolling device
roll
bending
rolling
Prior art date
Application number
PCT/EP2009/005525
Other languages
German (de)
English (en)
Other versions
WO2010012465A3 (fr
Inventor
Christian Diehl
Achim Klein
Bernd Zieser
Florian Lindner
Original Assignee
Sms Siemag Ag
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 Siemag Ag filed Critical Sms Siemag Ag
Priority to ES09777547T priority Critical patent/ES2426464T3/es
Priority to JP2011520377A priority patent/JP2011529399A/ja
Priority to EP09777547.2A priority patent/EP2307152B1/fr
Priority to CN200980129978.5A priority patent/CN102112245B/zh
Priority to US13/056,786 priority patent/US20110132055A1/en
Priority to KR1020117003136A priority patent/KR101268320B1/ko
Publication of WO2010012465A2 publication Critical patent/WO2010012465A2/fr
Publication of WO2010012465A3 publication Critical patent/WO2010012465A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B29/00—Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls ; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends
    • 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
    • B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
    • B21B13/142—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls by axially shifting the rolls, e.g. rolls with tapered ends or with a curved contour for continuously-variable crown CVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/42—Control of flatness or profile during rolling of strip, sheets or plates using a combination of roll bending and axial shifting of the rolls
    • 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
    • B21B31/18—Adjusting or positioning rolls by moving rolls axially

Definitions

  • the invention relates to a rolling device with at least two work rolls, which are each mounted by means of at least one work roll chock in a rolling stand, wherein at least one of the work rolls in the rolling stand for setting a desired roll gap relative to the other work roll, in particular in the vertical direction, is adjustable, wherein Axialverschie - means are provided, with which a work roll can be moved relative to the roll stand in its axial direction, wherein the Axialverschiebstoff having an actuator which is arranged coaxially to the axis of the displaceable work roll, and wherein at least one work roll with bending means is in operative connection with which This can be acted upon by a bending moment.
  • a rolling device of this kind is known, for example, from EP 1 436 104 B1.
  • the rolling apparatus disclosed therein is equipped with axial displacement means so that the work rolls can be moved to and held in a desired axial position along their axial extent.
  • the axial displacement means constructed as a hydraulic piston-cylinder system comprise a piston fixed at one of its ends to a support arm which can slide up and down the rolling stand in the vertical direction, together with the work roll chock.
  • the previously known rolling device comprises bending means with which the work roll can be subjected to a bending moment.
  • the bending means are supported between the chock of the work roll and the chock of the adjacent support rolls. With small movements of the lower work roll in the vertical direction, the bending means are supported between the chocks of the lower work roll and thickenings on bars of the roll stand.
  • EP 1 436 104 B1 type of rolling devices aiso the work roll displacement is realized with a coaxially mounted on the work roll chock Axialverschiebevorraum that is moved out during work roll change with the set of rolls from the rolling stand.
  • the work roll bender is "on-the-fly" in which the upper work roll chocks are supported by the bending and balancing cylinders in U-shaped recesses of the upper back-up chocks, and the bending rolls may be in the work roll chocks or alternatively in the back-up rolls -Building pieces be arranged.
  • the axial displacement devices do not need to take up any tilting moments which otherwise have to be taken into account in displacement systems which are arranged stationarily on the rolling stand. This has a positive effect on the dimensioning of the displacement devices, since a lower displacement force is needed.
  • bending devices which are constructed in the manner of a "bending hood.”
  • This is a work roll bending system in which hydraulic blocks are provided with so-called “bending hoods” which also ensure good guidance of the work roll chocks in the roll stand ensure high roll rise and at the same time allows a shift of the relevant work roll.
  • each lateral support part ("displacement tube") of the respective work roll chocks is assigned a displacement cylinder unit, in which displacement cylinder units the work roll chocks are displaceably arranged in the vertical direction.
  • the invention is therefore an object of the invention to provide a rolling device of the type mentioned, which avoids the disadvantage of the first-mentioned type and makes the benefits of the solution discussed below available. So it should avoid the high weight of the last discussed solution and a more cost-effective design can be achieved. It should be possible to realize a high roll rise.
  • the work roll chock for receiving the force generated by the bending means seen from the axis of the work roll has laterally cantilevered arms, wherein between a pressure force generating element of the bending means, in particular a piston, and the cantilevered Arm of the work roll chock a relative to the rolling stand, in particular in the vertical direction, displaceable pressure transmission element is arranged.
  • the axial displacement means are preferably designed as a hydraulic piston-cylinder unit.
  • the actuating element of the Axialverschiebesch is preferably in the form of a piston, wherein the piston is fixed with one of its axial ends on a support arm, which is laid on the roll stand in a guide, in particular in a sliding guide, set translationally displaceable.
  • the compressive force generating element of the bending means and the cantilever arm of the work roll chock are preferably positioned so that the center axis of the pressure force generating element intersects the cantilevered arm.
  • a sliding surface is preferably arranged between the pressure force generating element of the bending means and the pressure transmission element and / or between the pressure transmission element and the cantilever arm of the work roll chock.
  • the bending means are advantageously arranged in a block fixedly arranged on the roll stand, and the pressure transmission element is mounted on the block by means of a guide, in particular by means of a vertical guide.
  • the pressure-transmitting element is preferably U-shaped in a horizontal section and at least partially surrounds the block from three sides.
  • the pressure-transmitting element is preferably L-shaped in a vertical section perpendicular to the axis of the work roll and at least partially surrounds the block on its upper side.
  • the pressure transmission element can be mounted on the rolling stand by means of a guide, in particular by means of a vertical guide.
  • Holding means can be arranged between the block and the pressure transmission element, which hold the pressure transmission element immovable in the horizontal direction to the work roll on the block.
  • an axial displacement device is used, which is arranged coaxially to the axis of the work roll.
  • the bending device used at the same time is designed according to the design of the "bending hood”.
  • FIG. 1 shows a part of a rolling device in a perspective view
  • 2 shows the front view of the rolling device according to FIG. 1 in a section AA according to FIG. 3
  • FIG. 3 shows the front view of the rolling device according to FIG. 1 in a section AA according to FIG. 3, FIG.
  • Fig. 3 is a plan view of the rolling apparatus in a section B-B of FIG. 2 and
  • FIG. 4 shows the bending means of the rolling apparatus in a section C-C according to FIG. 3.
  • a rolling device 1 in which two interacting work rolls 2 and 3, which are respectively mounted in a work roll chock 4 and 5, are arranged in a rolling stand 6.
  • the upper work roll chock 5 is made adjustable in the vertical direction; It can therefore be moved in the vertical direction relative to the rolling stand 6.
  • the work rolls 2, 3 are supported respectively on support rollers 24 and 25, wherein these are each mounted in a backup roll chock 26 and 27 respectively.
  • the illustrated rolling device 1 thus has a total of four rollers. It should be noted that it may also comprise further rolls, namely intermediate rolls, which are arranged between the work rolls 2, 3 and the support rolls 24, 25.
  • bending means 11 are provided. As can be seen in particular in FIG. 3, the bending means 11 are arranged in both axial end regions of the work rolls 2, 3 and, moreover, are arranged on the rolling stand 6 both on the outlet side and on the outlet side (see FIG. There are a total of four bending means 11 are provided.
  • the bending means 11 have a block 20 which is fixedly arranged on the roll stand 6, as can be seen in particular in Fig. 2.
  • the block 20 has cylindrical bores in which pressure force generating elements 14, ie pistons, are arranged, which are acted upon by hydraulic pressure.
  • the pistons 14 have a center axis 18 ; which extends in the vertical direction.
  • each work roll chock 4, 5 has cantilevered arms 12 and 13, which are arranged laterally of the axis 10 of the work roll 2, 3.
  • the cantilevered arms 12, 13 extend laterally outwardly away from the work roll 2, 3 and engage over the pistons 14 and, in particular, their center axis 18.
  • a pressure transmission element 15 is arranged between the bending means 11 and in particular the piston 14 and the cantilevered arms 12, 13 of the work roll chocks 4, 5.
  • This is equipped with two sliding surfaces 19 and 28, which ensure good sliding conditions between piston 14 and pressure transmission element 15 on the one hand and between pressure transmitting element 15 and cantilever arm 12, 13.
  • the piston 14 and cantilever arm 12, 13 are positioned so that the center axis 18 of the piston 14 intersects the cantilever arm 12, 13.
  • the pressure transmission element 15 is arranged via a vertical guide 29 on the block 20 and can thus move in the vertical direction relative to the block 20 and thus to the rolling stand 6. Similarly, a further vertical guide is provided which guides the pressure transmission element 12 in the upper region on the roll stand 6, namely a crosshead of the pressure transmission element 15th
  • the pressure transmission element 15 is designed as a "bending hood.” This means that it is U-shaped in a horizontal section and at least partially surrounds the block 20 from three sides, as best seen in FIG goes out, however, that the pressure transmitting element 15 is formed in a perpendicular to the axis 10 of the work roll 2, 3 vertical section L-shaped and partially surrounds the block 20 on its upper side. With its two legs (see Fig. 3), the pressure transmission element 15 is arranged against axial displacement forces vertically sliding but tilt-proof on the sides of the block 20. In addition, it is supported on the working roll 2 facing end face of the block 20 and thus can accommodate large horizontal forces that may be directed in the inlet against and in the outlet with the rolling direction.
  • the pressure transmission element 15 is provided in or against the rolling direction with further sliding surfaces which are located on its legs, via which a support on the side facing the work roll 2 faces of the roll stand 6 can take place.
  • Fig. 4 it can be seen that in addition to the upward pressure force generating elements 14 (piston) of the bending means 11, which act on the upper work roll chock 5, further force-generating elements 30 are provided which generate a downward force and apply a bending force to the lower work roll chock 4.
  • the work roll displacement devices are hydraulic piston-cylinder units arranged on the service-side work roll mounting jacks. It is the Piston of the piston-cylinder unit connected to guided in the corresponding chocks support arms. Latches, which are arranged on the outside of the two Hoirne the opera tion side ⁇ roll stand, prevent during the rolling operation, a horizontal movement of the support arms and thus also an axial movement of the piston. By pressure on the piston side or the rod side of the piston-cylinder unit, an axial displacement of the work rolls mounted in the chocks is realized.
  • the bending device is characterized by hydraulic blocks with "bending hoods", which ensures good guidance of the work roll chocks in the roll stand even at high roll emergence and at the same time allows shifting of the relevant work roll to targeted profile change of the rolling gap passing through the rolling device by means of the displacement device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Control Of Metal Rolling (AREA)
  • Metal Rolling (AREA)
  • Machine Tool Units (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

L'invention concerne un dispositif de laminage comportant au moins deux cylindres de travail (2, 3) montés chacun dans une cage de laminoir (6) à l'aide d'au moins une empoise de cylindre de travail (4, 5), au moins un des cylindres de travail (2, 3) situé dans la cage de laminoir (6) pouvant être réglé par rapport à l'autre cylindre de travail (2, 3), en particulier dans le sens vertical, en vue du réglage d'une emprise (7) souhaitée, des moyens de déplacement axial (8) permettant de déplacer un cylindre de travail (2, 3) par rapport à la cage de laminoir (6) dans son sens axial, les moyens de déplacement axial (8) comportant un élément d'actionnement (9) placé coaxialement à l'axe (10) du cylindre de travail (2, 3) à déplacer et au moins un cylindre de travail (2, 3) étant en liaison fonctionnelle avec des moyens de flexion (11) à l'aide desquels ledit cylindre de travail peut être soumis à un moment de flexion. L'objectif de l'invention est de permettre simultanément le déplacement axial des cylindres de travail et l'application d'un moment de flexion à ces derniers de manière économique. A cet effet, l'empoise de cylindre de travail (4, 5) comporte des bras (12, 13) saillant latéralement, vus depuis l'axe (10) du cylindre de travail (2, 3), pour la réception de l'effort généré par les moyens de flexion (11), un élément de transfert de pression (15), qui peut être déplacé par rapport à la cage de laminoir (6) en particulier dans le sens vertical, étant placé entre un élément générateur d'effort de pression (14) des moyens de flexion (11), en particulier un piston, et le bras saillant (12, 13) de l'empoise de cylindre de travail (4, 5).
PCT/EP2009/005525 2008-07-30 2009-07-30 Dispositif de laminage WO2010012465A2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES09777547T ES2426464T3 (es) 2008-07-30 2009-07-30 Dispositivo de laminación
JP2011520377A JP2011529399A (ja) 2008-07-30 2009-07-30 ロール装置
EP09777547.2A EP2307152B1 (fr) 2008-07-30 2009-07-30 Dispositif de laminage
CN200980129978.5A CN102112245B (zh) 2008-07-30 2009-07-30 轧制装置
US13/056,786 US20110132055A1 (en) 2008-07-30 2009-07-30 Rolling device
KR1020117003136A KR101268320B1 (ko) 2008-07-30 2009-07-30 압연 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008035702A DE102008035702A1 (de) 2008-07-30 2008-07-30 Walzvorrichtung
DE102008035702.2 2008-07-30

Publications (2)

Publication Number Publication Date
WO2010012465A2 true WO2010012465A2 (fr) 2010-02-04
WO2010012465A3 WO2010012465A3 (fr) 2010-05-14

Family

ID=41461540

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/005525 WO2010012465A2 (fr) 2008-07-30 2009-07-30 Dispositif de laminage

Country Status (10)

Country Link
US (1) US20110132055A1 (fr)
EP (1) EP2307152B1 (fr)
JP (1) JP2011529399A (fr)
KR (1) KR101268320B1 (fr)
CN (1) CN102112245B (fr)
DE (1) DE102008035702A1 (fr)
ES (1) ES2426464T3 (fr)
RU (1) RU2461434C1 (fr)
UA (1) UA99776C2 (fr)
WO (1) WO2010012465A2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1772203A1 (fr) * 2005-10-10 2007-04-11 VAI Industries (UK) Limited Dispositif pour le cintrage de cylindres
DE102008009902A1 (de) * 2008-02-19 2009-08-27 Sms Demag Ag Walzvorrichtung, insbesondere Schubwalzengerüst
DE102009058876A1 (de) * 2009-01-23 2010-07-29 Sms Siemag Ag Biege- und Ausbalanciervorrichtung für axial verschiebbare Arbeitswalzen eines Walzgerüstes
ITMI20101502A1 (it) * 2010-08-05 2012-02-06 Danieli Off Mecc Sistema integrato di bending e shifting sotto carico per gabbie ad elevata apertura tra i rulli di lavoro
CN103128101B (zh) * 2013-03-15 2015-04-29 中冶赛迪工程技术股份有限公司 多维可控模块化的六辊轧机
KR102129193B1 (ko) * 2016-01-14 2020-07-01 가부시키가이샤 아이에이치아이 압연 장치 및 압연 장치의 개조 방법
CN111819013B (zh) * 2018-03-08 2022-03-15 日本制铁株式会社 轧机的设定方法以及轧机
US11612924B2 (en) * 2018-03-28 2023-03-28 Sintokogio, Ltd. Electric lifting apparatus and roll press machine
KR102395476B1 (ko) 2022-01-07 2022-05-06 김형태 스프링 방식의 압연롤 갭 조절장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0267420A2 (fr) * 1986-11-10 1988-05-18 Sms Schloemann-Siemag Aktiengesellschaft Cage de laminoir avec un dispositif pour déplacer axialement les cylindres ajustables
EP0340504A2 (fr) * 1988-05-06 1989-11-08 Sms Schloemann-Siemag Aktiengesellschaft Dispositif pour plier et balancer des cylindres décalables axialement d'une cage de laminoir
WO2005011885A1 (fr) * 2003-07-30 2005-02-10 Sms Demag Aktiengesellschaft Dispositif de laminage
EP1772203A1 (fr) * 2005-10-10 2007-04-11 VAI Industries (UK) Limited Dispositif pour le cintrage de cylindres

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1072934A1 (ru) * 1983-01-21 1984-02-15 Ждановский металлургический институт Прокатна клеть
JPS6094303U (ja) * 1983-11-29 1985-06-27 石川島播磨重工業株式会社 圧延機のロ−ルベンディング装置
FR2611541B1 (fr) * 1987-02-27 1994-04-29 Clecim Sa Dispositif de reglage du profil et de repartition d'usure de cylindres dans un laminoir a cylindres deplacables axialement
SU1755981A1 (ru) * 1989-10-23 1992-08-23 Институт черной металлургии Прокатна клеть кварто
AP2091A (en) * 1999-03-04 2010-01-18 Zheng Hongzhuan A rolling mill with roll deflection bi-dimensionally controlled.
DE10150690A1 (de) * 2001-10-17 2003-04-30 Sms Demag Ag Walzvorrichtung
DE10334727A1 (de) * 2003-07-30 2005-02-24 Sms Demag Ag Walzvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0267420A2 (fr) * 1986-11-10 1988-05-18 Sms Schloemann-Siemag Aktiengesellschaft Cage de laminoir avec un dispositif pour déplacer axialement les cylindres ajustables
EP0340504A2 (fr) * 1988-05-06 1989-11-08 Sms Schloemann-Siemag Aktiengesellschaft Dispositif pour plier et balancer des cylindres décalables axialement d'une cage de laminoir
WO2005011885A1 (fr) * 2003-07-30 2005-02-10 Sms Demag Aktiengesellschaft Dispositif de laminage
EP1772203A1 (fr) * 2005-10-10 2007-04-11 VAI Industries (UK) Limited Dispositif pour le cintrage de cylindres

Also Published As

Publication number Publication date
JP2011529399A (ja) 2011-12-08
CN102112245A (zh) 2011-06-29
KR20110029172A (ko) 2011-03-22
RU2461434C1 (ru) 2012-09-20
CN102112245B (zh) 2014-06-25
ES2426464T3 (es) 2013-10-23
KR101268320B1 (ko) 2013-05-28
UA99776C2 (en) 2012-09-25
WO2010012465A3 (fr) 2010-05-14
EP2307152B1 (fr) 2013-07-10
DE102008035702A1 (de) 2010-02-04
EP2307152A2 (fr) 2011-04-13
US20110132055A1 (en) 2011-06-09

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