EP2342026A2 - Walzvorrichtung - Google Patents
WalzvorrichtungInfo
- Publication number
- EP2342026A2 EP2342026A2 EP09778678A EP09778678A EP2342026A2 EP 2342026 A2 EP2342026 A2 EP 2342026A2 EP 09778678 A EP09778678 A EP 09778678A EP 09778678 A EP09778678 A EP 09778678A EP 2342026 A2 EP2342026 A2 EP 2342026A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- bending
- roll
- rolling device
- arms
- rolling
- 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.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 35
- 238000005452 bending Methods 0.000 claims abstract description 67
- 230000008719 thickening Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 description 20
- 238000013000 roll bending Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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
- 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
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B2013/025—Quarto, four-high stands
-
- 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
- B21B2013/028—Sixto, six-high stands
-
- 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
-
- 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
- B21B31/203—Balancing rolls
Definitions
- the invention relates to a rolling device with at least one upper and one lower, arranged on a common rolling stand and in vertically displaceable bearings held to set different Waizzalt Waitn and each supported by a support roller rollers, with at least one Axialschiebe adopted for one of the rollers and with at least one bending cylinder comprising a bending device for bending the upper roller.
- Such rolling devices can in particular each contain a plurality of mutually supporting rollers above and below a roll gap, such as a work roll, which comes directly into contact with the rolling stock and in turn rolls on a mostly larger support roll or an intermediate roll, which in turn bears against a support roll.
- the work rolls and / or the support rolls and / or the intermediate rolls can be axially displaceable relative to each other.
- contouring the roll bales of at least two rolls targeted actions on the shape of the rolling stock passing through the roll gap are possible.
- the height of the roll gap should be adjustable, which requires a vertical displacement on the framework.
- the axial displacement of the work rolls is realized with a coaxial with a chock of the work roll arranged displacement device, which is moved out when changing the work roll with the set of rolls from the scaffold.
- the upper work roll chocks are supported by bending or balancing cylinders in U-shaped recesses of the upper back-up chocks, and the bending cylinders may be located in the work roll chocks or alternatively in the back-up chocks.
- the upper work roll set is pushed into the upper backup roll chocks via the balancing pressure applied bending cylinders.
- the frictional forces that occur generate tilting moments that can cause a misalignment of the backup roller chocks.
- puncture impact following the work roll Displacement can therefore not be ruled out that, in the case of oil flood bearings, there is a high load between the bearing bush and the journal bushing at the backup roller bearing or, in the case of roller bearings, individual bearing rows experience high stress.
- this object is achieved by the fact that the bending device at both ends of the roller respectively
- Crossbeams and bending arms comprises, wherein the roller for adjusting the
- the bending arms are introduced into recesses of the roll stand or the roll stand.
- the bending arms are each guided in guide rails, which are screwed to the rolling stand.
- the bending arms are guided in the middle region of the roll stands or roll stand spars or surround them. It is also advantageous if the upper support roller is held at its ends in each case in a backup roll chock.
- the bending cylinders are each arranged vertically to balancing arms for the upper support roller.
- the Biegezyiinder act on the crossbeams, which are guided on the Balancierarmen to the upper support roller and the guide rails.
- the bending arms can be detachably connected to the crossbeams or the balancing arms, z. B. in this hang.
- the bending cylinders belonging to the upper work roll are arranged in lower thickenings of the bending arms.
- chocks of the lower work roll associated bending or Balancierzylinder are arranged vertically in stationary blocks.
- the axial displacement means are preferably designed as a hydraulic piston-cylinder unit.
- the actuating element of the Axialverschiebesch is preferably formed in the form of a piston, wherein the piston is fixed with one of its axial ends on a support arm, which is set on the roll stand in a guide, in particular in a sliding guide, translationally displaceable.
- FIG. 1 is a sectional view of a rolling device, each with a working and a backup roller pair
- Fig. 2 is a sectional view of the upper work roll of FIG. 1 along a
- Fig. 3 is a sectional view of the rolling device along a sectional plane B - B of Fig. 2 and
- FIG. 4 shows a further sectional view along a section line C - C from FIG. 1.
- a generally designated 1 (Fig. 1, 2) rolling device is designed as a so-called four-roller frame and comprises two work rolls 2, 3 and two support rollers 4, 5. Also, a different number of rollers is possible, for example, the formation of a Six-roll stand with additional intermediate rolls, which are arranged between the work rolls 2, 3 and the support rollers 4, 5. Between the work rolls 2, 3 and the support rollers 4, 5, a roll gap 6 is formed for the material to be rolled. The height 7 of the roll gap 6, the so-called roll rise, is adjustable.
- the rolls 2, 3, 4, 5 are held in a roll stand 8 (FIGS. 1, 2, 4).
- the rolling mill 8 receives backup roll chocks 9, 10 supporting the lower and upper backup rolls 4, 5, respectively.
- crossbeams 12 are guided.
- About bending arms 13 of the upper work roll set is carried when the height of the nip 6 is adjusted. At their lower ends, the bending arms 13 are provided with thickenings 14 ( Figure 3).
- the crossbeams 12 are guided on Balancierarmen 15; Bending cylinders 16 act on them to bend the upper work roll 3.
- the lower work roll 2 is bent by a bending cylinder 17.
- An alternative bending means for bending the upper work roll 3 is designated by 18.
- the bending cylinders 16, 17 and alternatively 18 act on the outer edge regions of the work rolls 2, 3 and practice so in the edge region of the rollers 2, 3 a vertically outwardly from the nip 6 force corresponding to the effective force in the central region of the rolling stock to a bending apart counteract the work rolls 2, 3 by the rolling stock.
- a so-called negative work roll bend can be realized by means of additional piston-cylinder systems 30, 31 to increase the adjustment range for the profile influencing (see Fig. 1).
- the Axialverschiebevoroplastyen 21 are arranged at the outer edge regions of the work rolls 2, 3.
- the piston 22 of the axial displacement device 21 is arranged via an abutment 25 on retaining arms 24, which are arranged horizontally slidably in the work roll chocks 19, 20.
- the holding arms 24 are encompassed by lateral holding devices 29, which are fixed on the outside of the roll stand 8 and prevent horizontal movement of the holding arms 24 in the direction of the roll axis 23.
- the piston 22 of the axial displacement device 21 is fixed in the axial direction.
- the holding arms 24 are movable in the lateral holding devices 29 in the vertical direction.
- the invention thus relates to a system that both the bend and the
- the vertically arranged in stationary blocks bending or Balancierzylinder 17 are assigned to the lower work roll 2.
- the bending device of the upper work roll 3 is by two novel components characterized: the cross-beam 12 and the bending arm thirteenth
- the carrying of the upper work roll set on the bending arms 13 takes place.
- the bending arms 13 are in turn led into strips which are screwed to the roll stand 8, or alternatively in recesses directly to the Waizenpartym ⁇ .
- the bending arms 13 may be performed in the central region of the roll stand spars or alternatively embrace the roll stand spars.
- the bending or Balancierzylinder 16 to the upper work roll 3 are arranged vertically to the Balancierarmen 15 to the upper support roller 5 and move in positioning the upper rollers 3, 5 with the Balancierarmen 15 and thereby require a relatively small stroke, by the Walzenabschliff the upper Rolls 3, 5 is determined.
- the bending or Balancierzylinder act on the crossbars 12, which are guided on the Balancierarmen 15 to the upper support roller 5 and the guide rails 11.
- the bending arms 13 which are mounted in the crossbeams 12, the chocks to the upper work roll 3 are also applied vertically with force.
- the bending arms 13 are hooked directly into the balancing arms 15.
- the bending or balancing cylinder to the upper work roll 3 are arranged in the lower Verdi- ments of the bending arms 13.
- the devices for the axial displacement of the work rolls 2, 3 are arranged on the operating side work roll chocks 19, 20 hydraulically operated piston-cylinder systems 21.
- each of the piston of the cylinder unit is connected to the guided in the corresponding chocks support arms.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Control Of Metal Rolling (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008049179A DE102008049179A1 (de) | 2008-09-26 | 2008-09-26 | Walzvorrichtung |
PCT/EP2009/006878 WO2010034481A2 (de) | 2008-09-26 | 2009-09-22 | Walzvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2342026A2 true EP2342026A2 (de) | 2011-07-13 |
EP2342026B1 EP2342026B1 (de) | 2012-07-04 |
Family
ID=41719809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09778678A Active EP2342026B1 (de) | 2008-09-26 | 2009-09-22 | Walzvorrichtung |
Country Status (16)
Country | Link |
---|---|
US (1) | US9308562B2 (de) |
EP (1) | EP2342026B1 (de) |
JP (1) | JP5449368B2 (de) |
KR (1) | KR101268322B1 (de) |
CN (1) | CN102164686B (de) |
AU (1) | AU2009296153A1 (de) |
BR (1) | BRPI0919254A2 (de) |
CA (1) | CA2738713C (de) |
DE (1) | DE102008049179A1 (de) |
MX (1) | MX2011003226A (de) |
RU (1) | RU2459676C1 (de) |
SA (1) | SA109300577B1 (de) |
TW (1) | TWI434739B (de) |
UA (1) | UA98266C2 (de) |
WO (1) | WO2010034481A2 (de) |
ZA (1) | ZA201100850B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020206123A1 (de) | 2020-01-29 | 2021-07-29 | Sms Group Gmbh | Walzvorrichtung |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008009902A1 (de) * | 2008-02-19 | 2009-08-27 | Sms Demag Ag | Walzvorrichtung, insbesondere Schubwalzengerüst |
CN102704079A (zh) * | 2012-07-06 | 2012-10-03 | 常熟市天豪机械有限公司 | 纺织用弯辊 |
TWI611910B (zh) | 2015-12-01 | 2018-01-21 | 財團法人工業技術研究院 | 複合材料貼合裝置 |
DE102017215713A1 (de) * | 2017-09-06 | 2019-03-07 | Sms Group Gmbh | Verfahren zum Betrieb einer walz- oder hüttentechnischen Anlage |
CN108555031B (zh) * | 2018-03-27 | 2019-11-29 | 北京首钢股份有限公司 | 一种精轧机入口导卫标高控制方法 |
IT201900000713A1 (it) * | 2019-01-17 | 2020-07-17 | Danieli Off Mecc | Sistema di bending e shifting per gabbie di laminazione |
DE102021208149A1 (de) * | 2021-07-28 | 2023-02-02 | Sms Group Gmbh | Verfahren und Anlage zum Warmwalzen von metallenem Walzgut |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS601083B2 (ja) * | 1977-05-17 | 1985-01-11 | 石川島播磨重工業株式会社 | 圧延機 |
SU806183A1 (ru) * | 1978-08-28 | 1981-02-23 | Предприятие П/Я А-7697 | Устройство дл регулировани раствораи пРОфил ВАлКОВ лиСТОпРОКАТНОгОСТАНА |
DE3529363A1 (de) * | 1985-08-16 | 1987-02-19 | Schloemann Siemag Ag | Anstellvorrichtung fuer das achsparallele verschieben von walzen eines walzgeruestes |
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 |
DE3815454A1 (de) | 1988-05-06 | 1989-11-16 | Schloemann Siemag Ag | Biege- und ausbalanciervorrichtung fuer axial verschiebbare walzen eines walzgeruestes |
DE3918242A1 (de) * | 1989-06-05 | 1990-12-06 | Schloemann Siemag Ag | Vorrichtung zum distanzieren der walzen eines walzgeruests waehrend des walzenwechsels |
FR2725389B1 (fr) * | 1994-10-06 | 1996-12-27 | Clecim Sa | Installation de laminage |
US5666845A (en) * | 1996-01-23 | 1997-09-16 | Tippins Incorporated | Rolling mill |
IT1288929B1 (it) * | 1996-06-24 | 1998-09-25 | Danieli Off Mecc | Dispositivo per la movimentazione incrociata dei cilindri di laminazione |
DE19807785C1 (de) * | 1998-02-18 | 1999-03-04 | Mannesmann Ag | Biegevorrichtung für Vier- oder Mehrwalzengerüste |
DE19840538A1 (de) * | 1998-08-28 | 2000-03-09 | Mannesmann Ag | Walzgerüst mit gekreuzten Stütz- und/oder Arbeitswalzen |
RU2171725C1 (ru) * | 1999-12-20 | 2001-08-10 | Дочернее предприятие "Нексус-Производственно-коммерческая компания" | Прокатная клеть |
DE10150690A1 (de) | 2001-10-17 | 2003-04-30 | Sms Demag Ag | Walzvorrichtung |
RU2296020C2 (ru) * | 2001-12-12 | 2007-03-27 | Смс Демаг Акциенгезелльшафт | Устройство для измерения очага деформации между рабочими валками холодной и горячей прокатки |
DE10243677A1 (de) * | 2002-09-20 | 2004-04-01 | Sms Demag Ag | Reibungsarmes Biegesystem in einem Mehrwalzen-Walzgerüst |
FR2846579B1 (fr) | 2002-11-05 | 2006-05-05 | Vai Clecim | Procede pour elargir la gamme de production d'une installation de laminage de produits metalliques et installation pour la mise en oeuvre du procede |
DE10334682A1 (de) * | 2003-07-30 | 2005-02-17 | Sms Demag Ag | Walzvorrichtung |
-
2008
- 2008-09-26 DE DE102008049179A patent/DE102008049179A1/de not_active Withdrawn
-
2009
- 2009-09-18 TW TW098131451A patent/TWI434739B/zh not_active IP Right Cessation
- 2009-09-22 MX MX2011003226A patent/MX2011003226A/es active IP Right Grant
- 2009-09-22 WO PCT/EP2009/006878 patent/WO2010034481A2/de active Application Filing
- 2009-09-22 BR BRPI0919254A patent/BRPI0919254A2/pt not_active IP Right Cessation
- 2009-09-22 JP JP2011528241A patent/JP5449368B2/ja active Active
- 2009-09-22 RU RU2011116399/02A patent/RU2459676C1/ru active
- 2009-09-22 AU AU2009296153A patent/AU2009296153A1/en not_active Abandoned
- 2009-09-22 US US13/057,200 patent/US9308562B2/en active Active
- 2009-09-22 CA CA2738713A patent/CA2738713C/en not_active Expired - Fee Related
- 2009-09-22 EP EP09778678A patent/EP2342026B1/de active Active
- 2009-09-22 CN CN2009801380255A patent/CN102164686B/zh active Active
- 2009-09-22 KR KR1020117004983A patent/KR101268322B1/ko active IP Right Grant
- 2009-09-22 UA UAA201105117A patent/UA98266C2/ru unknown
- 2009-09-26 SA SA109300577A patent/SA109300577B1/ar unknown
-
2011
- 2011-02-02 ZA ZA2011/00850A patent/ZA201100850B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2010034481A2 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020206123A1 (de) | 2020-01-29 | 2021-07-29 | Sms Group Gmbh | Walzvorrichtung |
WO2021151571A1 (de) | 2020-01-29 | 2021-08-05 | Sms Group Gmbh | Walzvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
UA98266C2 (en) | 2012-04-25 |
MX2011003226A (es) | 2011-04-21 |
JP5449368B2 (ja) | 2014-03-19 |
CA2738713A1 (en) | 2010-04-01 |
KR101268322B1 (ko) | 2013-05-28 |
WO2010034481A2 (de) | 2010-04-01 |
BRPI0919254A2 (pt) | 2015-12-15 |
CA2738713C (en) | 2014-03-25 |
AU2009296153A1 (en) | 2010-04-01 |
RU2459676C1 (ru) | 2012-08-27 |
CN102164686A (zh) | 2011-08-24 |
US9308562B2 (en) | 2016-04-12 |
US20110239723A1 (en) | 2011-10-06 |
TW201012562A (en) | 2010-04-01 |
TWI434739B (zh) | 2014-04-21 |
SA109300577B1 (ar) | 2014-01-20 |
ZA201100850B (en) | 2011-09-28 |
WO2010034481A3 (de) | 2010-05-20 |
JP2012503549A (ja) | 2012-02-09 |
DE102008049179A1 (de) | 2010-04-01 |
EP2342026B1 (de) | 2012-07-04 |
CN102164686B (zh) | 2013-08-28 |
KR20110036860A (ko) | 2011-04-11 |
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