EP2012943A1 - Biegevorrichtung für zwei arbeitswalzen eines walzgerüstes - Google Patents
Biegevorrichtung für zwei arbeitswalzen eines walzgerüstesInfo
- Publication number
- EP2012943A1 EP2012943A1 EP07723869A EP07723869A EP2012943A1 EP 2012943 A1 EP2012943 A1 EP 2012943A1 EP 07723869 A EP07723869 A EP 07723869A EP 07723869 A EP07723869 A EP 07723869A EP 2012943 A1 EP2012943 A1 EP 2012943A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wear plate
- pressure
- guide block
- bending device
- self
- 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
- 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
- B21B2269/00—Roll bending or shifting
- B21B2269/02—Roll bending; vertical bending of rolls
- B21B2269/04—Work roll bending
-
- 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
- B21B2269/14—Work 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 work rolls receiving chocks are each supported via a sliding surface arranged in the middle height range on a guide shoulder of pairwise arranged pressure transmission bodies.
- the pressure transfer bodies With a bending cylinder acting between the pressure transfer bodies arranged in pairs, the pressure transfer bodies are vertically displaceable relative to one another.
- guide blocks form lateral guide webs, which are encompassed by the pressure transmission bodies.
- Guide blocks and guide webs are fully occupied in the support areas with wear plates that form sliding surfaces.
- the invention is therefore based on the object, a bending device for the work rolls of a rolling mill of the type described above in such a way that transversely to the plane of movement of the pressure transmission body acting reaction forces due to tilting of the pressure transmission body can be derived free of edge pressure in the guide block.
- the preferred embodiment of the wear plate is equipped with a cylindrical support surface.
- This cylindrical support surface which forms a circular arc in a cross section, is assigned a radius center on a longitudinal axis of the wear plate.
- the storage, and if necessary an additional attachment of the wear plate is carried out on a likewise cylindrically shaped mating support surface on the guide block.
- the radius centers of the cylindrical support surface of the wear plate and the cylindrical counter support surface of the guide block are preferably both on a common longitudinal axis, whereby a (small) rotational movement about this longitudinal axis is made possible.
- This longitudinal axis is preferably outside of the wear plate.
- the longitudinal axis is aligned normal to the axes of rotation of the work rolls. The rotational movement is on the order of about 1/10 °.
- Fig. 1 shows a first embodiment of a bending device according to the invention (L block) fragmentary in a parallel to the work rolls section through the
- FIG. 2 shows this bending device in a section along the line H-II of FIG. 1
- FIG. 3 shows a self-adjusting wear plate in an enlarged view
- FIG. 4a shows a plan view of the flat sliding surface of a wear plate according to the invention with a possible arrangement of lubricant channels
- rotatable about driven axes 1 driven rollers 1 of a rolling mill are mounted end in chocks 2, which can be adjusted vertically in the window of the lateral roll stand 3, on the one hand to adjust a predetermined strip thickness and on the other to influence over the vertical adjustment of the bending curve of the work rolls 1, in particular in connection with an axial displacement of the work rolls against the support rollers, not shown here.
- the influencing of the bending curve of the work rolls 1 takes place with the aid of a bending device, which consists essentially of paired pressure transfer bodies 4a, 4b, between which bending cylinders 5 are arranged.
- the pairs arranged on both sides of the chocks 2 Pressure transfer body 4a, 4b are vertically slidably mounted in a respective guide block 6 in itself in their vertical orientation self-adjusting wear plates 7 or on vertical guides 7a.
- the guide blocks 6 are fastened laterally in windows of the roll stand 3 and form two parallel vertical guides 7a for the pressure-transmitting bodies 4a, 4b, which have an L-shape with a longer vertical leg 8 and a shorter horizontal leg 9 ,
- the arrangement is made such that the legs 8 and 9 of the pressure transmission body 4a and 4b are opposite each other in pairs, as can be seen in Figure 1.
- a self-adjusting wear plate 7 is arranged along the long vertical leg 8 of the pressure transmission body 4a and 4b.
- Fig. 3 shows the self-adjusting wear plate 7, which bears flat with a flat sliding surface 17 on a vertical guide surface 18 of the pressure transmitting body 4a and is pivotally supported by a cylindrical shaped support surface 19 on a mating support surface 20 of the guide block 6 about a radius center 21.
- the sliding surface 17 of the self-adjusting wear plate 7 is square or rectangular and the support surface 19 is formed by a portion of a circular cylindrical surface.
- FIG. 3 also permits a further geometric embodiment of the self-adjusting wear plate in the selected representation.
- the wear plate 7 is provided with a spherical support surface 19, which is part of a spherical surface which is pivotally supported on a likewise spherically shaped mating support surface 20 of the guide block 6 by a radius center in two normal directions and thus ensures the flat concerns the sliding surface of the wear plate spatially.
- the flat sliding surface 17 of the self-adjusting wear plate is preferably circular in this case.
- FIGS 4a to 4d show further advantageous structural configurations of the wear plate, especially for their intensive lubrication.
- Lubricant supply lines 25 are, as shown in Figures 1 and 2, incorporated in the guide block 6 in the form of holes and open, starting from a central lubricant supply unit, not shown, or easily accessible grease nipple in the mating support surfaces 20 of the guide blocks 6.
- Ox Schmierstoff- Supply lines 25 then pass through the wear plate 7 and connect the cylindrical support surface 19 with the flat sliding surface 17.
- the invention is not limited to the illustrated embodiments.
- the self-adjusting wear plates with the sliding surface abut a vertical guide surface of the guide block and be supported with the cylindrical or spherical shaped support surface in a mating support surface on the pressure transmitting body.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Metal Rolling (AREA)
- Bearings For Parts Moving Linearly (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07723869T PL2012943T3 (pl) | 2006-04-21 | 2007-04-02 | Urządzenie gnące dla dwóch walców roboczych klatki walcowniczej |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0068206A AT504208B1 (de) | 2006-04-21 | 2006-04-21 | Biegevorrichtung für zwei arbeitswalzen eines walzgerüstes |
PCT/EP2007/002928 WO2007121832A1 (de) | 2006-04-21 | 2007-04-02 | Biegevorrichtung für zwei arbeitswalzen eines walzgerüstes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2012943A1 true EP2012943A1 (de) | 2009-01-14 |
EP2012943B1 EP2012943B1 (de) | 2010-11-24 |
Family
ID=38110750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07723869A Not-in-force EP2012943B1 (de) | 2006-04-21 | 2007-04-02 | Biegevorrichtung für zwei arbeitswalzen eines walzgerüstes |
Country Status (11)
Country | Link |
---|---|
US (1) | US8196444B2 (de) |
EP (1) | EP2012943B1 (de) |
KR (1) | KR101379882B1 (de) |
CN (1) | CN101426595B (de) |
AT (2) | AT504208B1 (de) |
BR (1) | BRPI0710462A2 (de) |
DE (1) | DE502007005761D1 (de) |
PL (1) | PL2012943T3 (de) |
RU (1) | RU2417129C2 (de) |
UA (1) | UA96443C2 (de) |
WO (1) | WO2007121832A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1772203A1 (de) | 2005-10-10 | 2007-04-11 | VAI Industries (UK) Limited | Walzenbiegevorrichtung |
DE102008015826A1 (de) * | 2008-03-27 | 2009-10-01 | Sms Siemag Aktiengesellschaft | Walzgerüst |
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 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1031544A1 (ru) | 1981-11-11 | 1983-07-30 | Колпинское отделение Всесоюзного научно-исследовательского и проектно-конструкторского института металлургического машиностроения | Предварительно напр женна прокатна клеть |
EP0233460B1 (de) | 1986-01-17 | 1991-05-08 | Sms Schloemann-Siemag Aktiengesellschaft | Ständerfeste Biegevorrichtung für axial verschiebbare Walzen eines Mehrwalzengerüstes |
DE3601669A1 (de) * | 1986-01-21 | 1987-07-23 | Linde Ag | Verfahren zur biologischen abwasserreinigung |
DE3627690A1 (de) | 1986-08-14 | 1988-02-25 | Schloemann Siemag Ag | Biege- und ausbalanciervorrichtung fuer axial verschiebbare arbeitswalzen eines quartowalzgeruestes |
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 |
SU1637892A1 (ru) | 1987-11-24 | 1991-03-30 | Центральный научно-исследовательский институт черной металлургии им.И.П.Бардина | Предварительно напр женна прокатна клеть |
JPH0811241B2 (ja) * | 1987-11-26 | 1996-02-07 | 株式会社日立製作所 | 作業ロールシフト圧延機 |
DE4034436A1 (de) * | 1990-10-29 | 1992-04-30 | Schloemann Siemag Ag | Walzgeruest mit anordnung zur distanzierten abstuetzung der oberen arbeitswalze |
US5329849A (en) * | 1993-06-11 | 1994-07-19 | Beloit Technologies, Inc. | Self-loading controlled crown roll |
DE19536042A1 (de) * | 1995-09-28 | 1997-04-03 | Schloemann Siemag Ag | Führungsvorrichtung für Vier- oder Mehrwalzengerüste |
DE19807785C1 (de) * | 1998-02-18 | 1999-03-04 | Mannesmann Ag | Biegevorrichtung für Vier- oder Mehrwalzengerüste |
AT407124B (de) * | 1998-10-19 | 2000-12-27 | Voest Alpine Ind Anlagen | Biegevorrichtung für zwei arbeitswalzen eines walzgerüstes |
DE19922373A1 (de) * | 1999-05-14 | 2000-11-16 | Sms Demag Ag | Biegevorrichtung für die Arbeitswalzen eines Warmwalzgerüstes |
US6073474A (en) * | 1999-06-24 | 2000-06-13 | Danieli United, A Divison Of Danieli Corporation | "C" block roll bending |
DE10123794A1 (de) * | 2000-06-30 | 2002-01-17 | Sms Demag Ag | Walzgerüst, insbesondere Duo- oder Quartowalzgerüst, umfassend Biege- und Ausbalanciervorrichtung für axial verschiebbare Walzen |
DE10334682A1 (de) | 2003-07-30 | 2005-02-17 | Sms Demag Ag | Walzvorrichtung |
-
2006
- 2006-04-21 AT AT0068206A patent/AT504208B1/de not_active IP Right Cessation
-
2007
- 2007-04-02 EP EP07723869A patent/EP2012943B1/de not_active Not-in-force
- 2007-04-02 WO PCT/EP2007/002928 patent/WO2007121832A1/de active Application Filing
- 2007-04-02 PL PL07723869T patent/PL2012943T3/pl unknown
- 2007-04-02 BR BRPI0710462-6A patent/BRPI0710462A2/pt not_active IP Right Cessation
- 2007-04-02 US US12/297,678 patent/US8196444B2/en not_active Expired - Fee Related
- 2007-04-02 DE DE502007005761T patent/DE502007005761D1/de active Active
- 2007-04-02 RU RU2008145856/02A patent/RU2417129C2/ru not_active IP Right Cessation
- 2007-04-02 UA UAA200813195A patent/UA96443C2/ru unknown
- 2007-04-02 AT AT07723869T patent/ATE489179T1/de active
- 2007-04-02 CN CN2007800144010A patent/CN101426595B/zh not_active Expired - Fee Related
- 2007-04-02 KR KR1020087028402A patent/KR101379882B1/ko not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2007121832A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2007121832A1 (de) | 2007-11-01 |
CN101426595A (zh) | 2009-05-06 |
EP2012943B1 (de) | 2010-11-24 |
RU2417129C2 (ru) | 2011-04-27 |
ATE489179T1 (de) | 2010-12-15 |
UA96443C2 (ru) | 2011-11-10 |
BRPI0710462A2 (pt) | 2011-08-16 |
AT504208B1 (de) | 2008-04-15 |
CN101426595B (zh) | 2012-07-11 |
RU2008145856A (ru) | 2010-05-27 |
KR101379882B1 (ko) | 2014-03-28 |
PL2012943T3 (pl) | 2011-05-31 |
KR20080108364A (ko) | 2008-12-12 |
US8196444B2 (en) | 2012-06-12 |
AT504208A4 (de) | 2008-04-15 |
US20090100891A1 (en) | 2009-04-23 |
DE502007005761D1 (de) | 2011-01-05 |
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