EP2598262A1 - Walzgerüst mit walzenlagerung - Google Patents
Walzgerüst mit walzenlagerungInfo
- Publication number
- EP2598262A1 EP2598262A1 EP11748543.3A EP11748543A EP2598262A1 EP 2598262 A1 EP2598262 A1 EP 2598262A1 EP 11748543 A EP11748543 A EP 11748543A EP 2598262 A1 EP2598262 A1 EP 2598262A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roll
- work
- axial displacement
- rolls
- stub
- 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
Classifications
-
- 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
- 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
- B21B2269/00—Roll bending or shifting
- B21B2269/12—Axial shifting the rolls
-
- 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
- B21B37/40—Control of flatness or profile during rolling of strip, sheets or plates using axial shifting of the rolls
Definitions
- the subject of this invention is a rolling device with work rolls and optionally with intermediate rolls, which are mounted by means of roll chocks via radial bearings in a rolling stand.
- the subject of this invention also provides a method for conversion, in particular for retrofitting, a rolling stand with work rolls and / or intermediate rolls without Axialverschiebungs adopted on a roll stand with Axialverschiebungs arthritis.
- Roller shifters are generally used to widen the flatness range using individual roll cuts. This brings logistical, business and qualitative benefits.
- the displacement device In conventional rolling stands with axial displacement, the displacement device is fixedly integrated into the rolling stand.
- the work rolls have a one-piece construction and are mounted on roll chocks in the rolling stand.
- the roll chocks are also constructed in one piece and at the same time include the radial bearings and the thrust bearings for the work rolls.
- Roll stands with axial displacement devices for the work rolls and optionally for the intermediate rolls have a more complex structure than rolling stands without axial displacement and are therefore more expensive.
- the invention is therefore an object of the invention to disclose a rolling device that can be retrofitted with a axial displacement for the work rolls without much time and cost.
- a rolling device in which for a axial displacement of at least one work roll or an intermediate roll, a roll stub is attached to this work roll or intermediate roll.
- this roller stub is screwed, but it can also be attached via an adhesive connection or via a press fit.
- the roller stub is mounted on a thrust bearing in a further roll chock, wherein the other roll chock is screwed to the roll chock of the axially displaceable rollers.
- the rolling device according to the invention can thus be easily retrofitted with an axial displacement device.
- an axial displacement device Through the work rolls or intermediate rolls with screw-on roll stubs and through the two-piece roll chocks a subsequent conversion designed particularly simple, since only a few components must be replaced.
- rollers are secured with the attached thereto roller stubs via an axial lock in position.
- the bearing cap via an intermediate piece with the associated roll chock, in which only the radial bearing is arranged, bolted.
- the bearing caps, the spacers and the corresponding roller stubs are unscrewed.
- the existing rollers are then screwed correspondingly longer roller stub for receiving the axial bearing.
- These roller stubs are mounted via thrust bearings in a further roll chock, wherein the other roll chock is bolted to the existing roll chock for the radial bearing.
- the entire bearing system for the axial bearing is thus easily screwed to the existing rolling device for a conversion. Retrofitting is possible with a minimum of time and expense.
- a roll stub is screwed to both work rolls.
- both work rolls can be easily retrofitted with an axial displacement device.
- the subject of this invention is also a method for converting a rolling stand with work rolls and optionally intermediate rolls without axial displacement on a roll stand with Axialverschiebedazzling.
- the method is characterized in that attached to at least one work roll or an intermediate roll a stub roll - preferably screwed - and that is screwed to a roll chock of this roll another roll chock.
- the roller stub is mounted on a thrust bearing in another roll chock, so that in an axial displacement of the roll chock and the corresponding roller is moved in the axial direction.
- the process offers the advantage that the existing roll chocks for the radial bearings, the existing bearing caps and the existing work rolls can still be used without machining.
- Fig. 1 is a schematic perspective view of a rolling device according to the prior art
- Fig. 2 is a schematic perspective view of the rolling device according to the invention (the axial lock or the axial displacement device is not shown); 3 shows a schematic perspective view of the rolling device according to the invention without axial displacement device;
- FIG. 4 shows a schematic perspective view of the rolling device according to the invention with an axial displacement device
- FIG. 1 shows a conventional rolling device 1 according to the prior art with an axial displacement device.
- the work rolls 2 are made in one piece. They are mounted on radial bearings 3 and thrust bearing 8, which are arranged on the roller stub 9, in a one-piece work roll chock 4.
- the bearing cap 20 are screwed. The axial forces are transmitted via the thrust bearing 8 on the work rolls 2.
- Fig. 2 shows the rolling device 1 'according to the invention, wherein neither an axial lock nor an axial displacement device are shown here for better illustration.
- the roll chocks 5 can be moved via the axial guide 14 relative to the bending block 11 in the axial direction.
- threaded holes 13 are arranged so that there is a roll stub (not shown) can be screwed.
- Fig. 3 the rolling device 1 'of Fig. 2 with bearing cap 16 for the work rolls 2' is shown.
- the work rolls 2 ' are fixed in their axial position by bolts (not shown).
- the bearing caps 16 are bolted via the screw 17 'with the intermediate piece 7, which in turn is screwed on the screw 17 "with the respective roll chock 5.
- FIG. 4 shows the rolling device 1 'according to the invention from FIG. 2 with an axial displacement device 18 for the work rolls 2'.
- roller stub 10' To the work rolls 2 'is screwed on the roll flange 12 via the screw 17 each have a roller stub 10'. Compared to the roller stub 10 of FIG. 3, this roller stub 10 'is slightly longer because of him Thrust bearing 8 attacks.
- a further roll chock 6 is screwed to the roll chocks 5 for the radial support via the screw connections 17 ".
- the displacement device 18 is attached to the cylinders 19 via the screw 17 '.
- the rolling device 1 'just described now offers the advantage that it can be offered and delivered on the one hand as a low-cost version without axial roller displacement.
- Such a version has only bearing cap 16 and spacers 7, as shown in Fig. 3, on.
- both work rolls 2 ' are to be equipped with an axial displacement device, then longer work roll ends 10' are screwed to both work rolls.
- the further roll chocks 6 are screwed to the roll chocks 5 via the screw connections 17 "with the axial bearings 8.
- the bearing caps 16 are then fastened to these further roll chocks 6 via the screw connections 17 ', as shown in FIG. only in Fig. 2) in the bending blocks 1 1 provide for the guidance of the roll chocks 5 in the axial direction.
- the displacement device 18 consists of a fixed part, which is connected in the present example with the bending block 11 and a movable part, via a bolt (not shown) is detachably connected to the bearing cap 16.
- the movable part of the Displacement device 18 are moved axially and thus also the roll chocks 5, 6 and thereby also the work rolls 2 '.
- the modular construction of the work rolls 2 'and the roll chocks 5, 6 thus enables a delivery of the basic design of a rolling device with the possibility of later removal with lower additional costs.
- Retrofitting intermediate rolls with a Axialverschiebeeinnchtung done in an analogous manner.
- Retrofitting with a Axialverschiebeeinnchtung is possible with little effort and without major design changes.
- This "modular system” also reduces the variety of parts and promotes standardization.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Rolling Contact Bearings (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT12572010A AT509455B1 (de) | 2010-07-27 | 2010-07-27 | Walzgerüst mit walzenlagerung |
PCT/AT2011/000309 WO2012012815A1 (de) | 2010-07-27 | 2011-07-21 | Walzgerüst mit walzenlagerung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2598262A1 true EP2598262A1 (de) | 2013-06-05 |
EP2598262B1 EP2598262B1 (de) | 2014-12-03 |
Family
ID=44510594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11748543.3A Not-in-force EP2598262B1 (de) | 2010-07-27 | 2011-07-21 | Walzgerüst mit walzenlagerung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2598262B1 (de) |
CN (1) | CN103037993B (de) |
AT (1) | AT509455B1 (de) |
RU (1) | RU2542170C2 (de) |
WO (1) | WO2012012815A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUB20154811A1 (it) * | 2015-10-16 | 2017-04-16 | Danieli Off Mecc | Gabbia di laminazione per prodotti metallici |
DE102017220560A1 (de) * | 2017-05-03 | 2018-11-08 | Sms Group Gmbh | Walzgerüst zum Walzen eines metallischen Guts |
CN108856292B (zh) * | 2018-07-20 | 2023-12-19 | 中冶华天南京工程技术有限公司 | 一种带钢轧机辊系结构及其装配方法 |
DE102019200005A1 (de) * | 2019-01-02 | 2020-07-02 | Sms Group Gmbh | Walzvorrichtung |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2178628A (en) * | 1934-03-08 | 1939-11-07 | Mackintosh Hemphill Company | Thrust bearing for rolling mills |
US2669493A (en) * | 1950-01-12 | 1954-02-16 | United States Steel Corp | Thrust bearing for rolling mill rolls and the like |
DE1151236B (de) * | 1958-01-21 | 1963-07-11 | Beteiligungs & Patentverw Gmbh | Axiallagerung fuer Walzen |
DE2323768C2 (de) * | 1973-05-11 | 1975-05-22 | Th. Kieserling & Albrecht, 5650 Solingen | Walzgerüst mit auswechselbar angeordneten Walzen |
DE3628733A1 (de) * | 1986-08-23 | 1988-02-25 | Schloemann Siemag Ag | Vorrichtung zum axialen anstellen der walzen von walzgeruesten zur herstellung von profilstahl |
DE3638330A1 (de) * | 1986-11-10 | 1988-05-19 | Schloemann Siemag Ag | Walzgeruest mit einer vorrichtung zum axialen verschieben von anstellbaren walzen |
DE3718646A1 (de) * | 1987-06-04 | 1988-12-22 | Schloemann Siemag Ag | Vorrichtung zum axialen verschieben von sich drehenden walzwerkswalzen |
SU1653880A1 (ru) * | 1989-06-08 | 1991-06-07 | Предприятие П/Я В-2869 | Устройство дл осевой установки валка |
FR2710567B1 (fr) * | 1993-09-28 | 1995-12-22 | Clecim Sa | Laminoir à déplacement axial. |
DE19816602C1 (de) * | 1998-04-15 | 1999-05-27 | Schloemann Siemag Ag | Walzgerüst mit axial verschiebbaren Walzen |
DE10150690A1 (de) * | 2001-10-17 | 2003-04-30 | Sms Demag Ag | Walzvorrichtung |
ITUD20040055A1 (it) * | 2004-03-29 | 2004-06-29 | Pittini Impianti Srl | Laminatoio a freddo per fili e barre |
CN200988050Y (zh) * | 2006-12-21 | 2007-12-12 | 中国第一重型机械集团公司 | 一种新型六辊轧机工作辊、中间辊轴承座 |
CN101185942B (zh) * | 2007-12-25 | 2010-06-02 | 二重集团(德阳)重型装备股份有限公司 | 轧机弯辊窜辊装置 |
-
2010
- 2010-07-27 AT AT12572010A patent/AT509455B1/de not_active IP Right Cessation
-
2011
- 2011-07-21 CN CN201180037023.4A patent/CN103037993B/zh not_active Expired - Fee Related
- 2011-07-21 WO PCT/AT2011/000309 patent/WO2012012815A1/de active Application Filing
- 2011-07-21 EP EP11748543.3A patent/EP2598262B1/de not_active Not-in-force
- 2011-07-21 RU RU2013104042/02A patent/RU2542170C2/ru not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2012012815A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN103037993B (zh) | 2015-07-15 |
AT509455A4 (de) | 2011-09-15 |
EP2598262B1 (de) | 2014-12-03 |
AT509455B1 (de) | 2011-09-15 |
WO2012012815A1 (de) | 2012-02-02 |
RU2013104042A (ru) | 2014-09-10 |
RU2542170C2 (ru) | 2015-02-20 |
CN103037993A (zh) | 2013-04-10 |
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