EP1556178A1 - Low-friction bending system in a roll stand comprising several rolls - Google Patents
Low-friction bending system in a roll stand comprising several rollsInfo
- Publication number
- EP1556178A1 EP1556178A1 EP03807758A EP03807758A EP1556178A1 EP 1556178 A1 EP1556178 A1 EP 1556178A1 EP 03807758 A EP03807758 A EP 03807758A EP 03807758 A EP03807758 A EP 03807758A EP 1556178 A1 EP1556178 A1 EP 1556178A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bending
- roll
- stand
- roll stand
- vertical positioning
- 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
- 238000005452 bending Methods 0.000 title claims abstract description 29
- 238000005096 rolling process Methods 0.000 abstract description 5
- 238000013000 roll bending Methods 0.000 description 4
- 230000000694 effects Effects 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
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
- B21B31/106—Vertical displacement of rolls or roll chocks during horizontal roll changing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B33/00—Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls for handling cobbles; Overload safety devices
-
- 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
- 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
-
- 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
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
- B21B31/24—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal by screws
Definitions
- the invention relates to a device for bending the rolls in a multi-roll mill stand with bending blocks which can be acted upon by actuating means and are fastened on the inlet and outlet sides between the roll chocks and the stator windows.
- Generic devices are used for flatness control of a rolled product as an actuator for work roll bending.
- the actuator has a direct influence on the roll gap geometry in the strip edge area, the work rolls being bent positively around the edges of the rolls above and negatively bent around the edges of the rolling stock.
- German patent specification 22 50 953 is a roll stand with work and support rolls and a roll bending device, in which the chocks of the work rolls are guided between blocks anchored in the stand windows and to act upon the work roll bale correction by piston cylinders which can be loaded on both sides and assigned to the blocks -Units connected are known, with a lower and an upper guide piece being guided vertically displaceably on each block, whereas one guide piece receives the cylinder and the other guide piece is connected to the piston, and the guide pieces with the chocks by horizontal guides in the vertical direction in a form-fitting manner are connected, which are continued parallel to the rolls for the roll change between the stands. In this way it should be achieved that two piston-cylinder units are required on each side for the roll bending.
- the object of the invention is to reduce the frictional forces in a generic system.
- the bending blocks of the one roll stand be assigned a piston cylinder and the bending blocks of the opposite roll stand a vertical positioning device.
- a pivot point can be created around which the chock can be pivoted. Only one cylinder is required to introduce the bending force on the drive and operator side into the bending blocks.
- the grinding range of the rollers can also be compensated for by the screw jack.
- the device according to the invention can also be used for intermediate roll bending in a six-roll stand. Use in reversing roll stands is also conceivable.
- Figure 1 is a side view section of a four-high rolling mill from the
- FIG. 2 is a plan view of the work roll level of the roll stand from FIG. 1.
- a roll stand 1 the work rolls 3, 3a are supported by the support rolls 2, 2a.
- the chocks 4, 4a of the work rolls are connected to the roll stand 6, 6 'via the bending blocks 5, 5a, 5', 5a '.
- a screw jack 10 is arranged between the bending blocks 5 'and 5a' and can be positioned and locked via a drive 12.
- the bending blocks 5 and 5a are connected via a piston cylinder 7, the piston 9 of which is mounted in the bending block 5a, while its connecting rod 8 is mounted in the bending block 5.
- the bending blocks 5, 5a, 5 'and 5a' can be connected to the chocks 4, 4a of the work rolls 3, 3a on the one hand and the roll stand 6, 6 'on the other hand in a known manner.
- the direction of rolling of the rolling stock is shown by the double arrow 11.
- the bending blocks 5 ', 5a' are positioned and locked with the screw jack, while the piston cylinder 7, which connects the bending blocks 5 and 5a, introduces the necessary bending force.
- the invention is not limited to the use of screw jacks, but any mechanism for vertical positioning can be used, for example wedges with positive guidance, cylinders with clamping heads and position sensors or an eccentric shaft.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Control Of Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Actuator (AREA)
- Unwinding Webs (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10243677 | 2002-09-20 | ||
DE10243677A DE10243677A1 (en) | 2002-09-20 | 2002-09-20 | Device for bending rollers in a multiple roller rolling mill comprises a vertical positioning unit assigned to bending blocks of one roll stand, to a plunger cylinder and to the bending blocks of the opposite-lying roll stand |
PCT/EP2003/008223 WO2004033120A1 (en) | 2002-09-20 | 2003-07-25 | Low-friction bending system in a roll stand comprising several rolls |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1556178A1 true EP1556178A1 (en) | 2005-07-27 |
EP1556178B1 EP1556178B1 (en) | 2006-05-17 |
Family
ID=31969310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03807758A Expired - Lifetime EP1556178B1 (en) | 2002-09-20 | 2003-07-25 | Low-friction bending system in a roll stand comprising several rolls |
Country Status (15)
Country | Link |
---|---|
US (2) | US20060021412A1 (en) |
EP (1) | EP1556178B1 (en) |
JP (1) | JP4732752B2 (en) |
KR (1) | KR100990866B1 (en) |
CN (1) | CN100342988C (en) |
AT (1) | ATE326295T1 (en) |
AU (1) | AU2003250179A1 (en) |
BR (1) | BR0313605B1 (en) |
CA (1) | CA2498303C (en) |
DE (2) | DE10243677A1 (en) |
ES (1) | ES2260692T3 (en) |
RU (1) | RU2313410C2 (en) |
UA (1) | UA82333C2 (en) |
WO (1) | WO2004033120A1 (en) |
ZA (1) | ZA200501197B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1320968C (en) * | 2005-04-29 | 2007-06-13 | 中国第二重型机械集团公司 | Mill bend roller connecting device |
JP4701067B2 (en) | 2005-10-20 | 2011-06-15 | 東芝機械株式会社 | roll |
DE102008049179A1 (en) * | 2008-09-26 | 2010-04-01 | Sms Siemag Aktiengesellschaft | rolling device |
DE102009060641A1 (en) * | 2009-07-07 | 2011-01-13 | Sms Siemag Ag | Device for locking the chock and the thrust bearing housing of a set of rollers and the roll changing car |
CN112178003B (en) * | 2020-09-16 | 2023-07-21 | 马鞍山钢铁股份有限公司 | Working roll locking device of leveling machine bending roll cylinder and assembly method thereof |
Family Cites Families (38)
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US3566638A (en) * | 1968-05-29 | 1971-03-02 | Textron Inc | Screwdown system for a rolling mill |
DE1752752A1 (en) * | 1968-07-10 | 1971-05-19 | Schloemann Ag | Device for bending the rolls of rolling frames against the rolling pressure |
GB1265509A (en) * | 1968-11-20 | 1972-03-01 | ||
GB1402696A (en) * | 1972-10-18 | 1975-08-13 | Schloemann Ag | Roll stand |
US4279140A (en) * | 1979-10-17 | 1981-07-21 | United States Steel Corporation | Mill roll balance system |
US4481801A (en) * | 1982-02-11 | 1984-11-13 | Marotta Scientific Controls, Inc. | Load-transfer mechanism |
CH659865A5 (en) * | 1982-07-30 | 1987-02-27 | Escher Wyss Ag | HYDROSTATIC SUPPORT ELEMENT AND ITS USE IN A ROLLING DEVICE. |
DE3308673A1 (en) * | 1983-03-11 | 1984-09-20 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | MULTI-ROLLER FRAME |
DE3335857A1 (en) * | 1983-10-03 | 1985-04-18 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | ROLLING DEVICE WITH SUPPORTING ROLLER WORKING ROLLS |
CH663452A5 (en) * | 1983-12-22 | 1987-12-15 | Escher Wyss Ag | ROLLING DEVICE. |
IT1174098B (en) * | 1984-05-28 | 1987-07-01 | Pomini Farrel Spa | LAMINATION CAGE OF THE TYPE OF TIE RODS WITH OSCILATING SUPPORTS WITH INTERMEDIATE SUPPORT BASES |
EP0206453B1 (en) * | 1985-05-23 | 1990-07-04 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Method of multi-pass rolling and rolling mill stand for carrying out the method |
JPS61283406A (en) * | 1985-06-06 | 1986-12-13 | Kobe Steel Ltd | Method for compensating and controlling crown control of multi-stage rolling mill |
DE3529363A1 (en) * | 1985-08-16 | 1987-02-19 | Schloemann Siemag Ag | ADJUSTMENT DEVICE FOR THE AXIAL PARALLEL SHIFTING OF ROLLS OF A ROLLING DEVICE |
DE3529720A1 (en) * | 1985-08-20 | 1987-03-05 | Mannesmann Ag | ARRANGEMENT OF A HYDRAULIC CONTROL CYLINDER |
US4803865A (en) * | 1987-07-17 | 1989-02-14 | SMS Schloemann--Siemag Aktiengesellschaft | Stand-supported bending device for axially slidable rolls of a multiroll rolling mill |
JPH0811241B2 (en) * | 1987-11-26 | 1996-02-07 | 株式会社日立製作所 | Work roll shift rolling machine |
JPH03120905A (en) * | 1989-10-03 | 1991-05-23 | Mitsubishi Electric Corp | High frequency high output hybrid integrated circuit |
FR2661625A1 (en) * | 1990-05-04 | 1991-11-08 | Clecim Sa | Method for replacing the rolls of a rolling mill and improved rolling mill for implementing the method |
US5297408A (en) * | 1991-02-19 | 1994-03-29 | Keiichiro Yoshida | Method of an apparatus for controlling hydraulic rolling reduction in a rolling mill |
DE4314472A1 (en) * | 1993-05-03 | 1994-11-10 | Schloemann Siemag Ag | Bending block for bending the rolls of multi-roll stands |
IT1288931B1 (en) * | 1996-06-24 | 1998-09-25 | Danieli Off Mecc | COMPENSATION DEVICE FOR CRANKSETS IN FOURTH ROLLING CAGES WITH CROSS MOVEMENT OF THE CYLINDERS |
IT1293773B1 (en) * | 1997-07-24 | 1999-03-10 | Demag Italimpianti Spa | LAMINATION CAGE WITH CROSSED ROLLERS, WITH VARIABLE STRUCTURE. |
IT1297583B1 (en) * | 1997-12-24 | 1999-12-17 | Danieli Off Mecc | COMPENSATION PROCEDURE FOR CRANKSETS IN FOURTH ROLLING CAGES WITH CROSS HANDLING OF THE |
DE19807785C1 (en) * | 1998-02-18 | 1999-03-04 | Mannesmann Ag | Bending apparatus for roll stands |
WO1999043452A1 (en) * | 1998-02-27 | 1999-09-02 | Nippon Steel Corporation | Sheet rolling method and sheet rolling mill |
IT1298750B1 (en) * | 1998-03-18 | 2000-02-02 | Demag Italimpianti Spa | ROLLING MILL WITH OSCILLATING ARMS, INTENDED IN PARTICULAR BUT NOT EXCLUSIVELY FOR THE LAMINATION OF SEAMLESS PIPES |
US5924319A (en) * | 1998-07-07 | 1999-07-20 | Danieli United | Roll crossing, offsetting, bending and shifting system for rolling mills |
DE19831663A1 (en) * | 1998-07-15 | 2000-01-20 | Schloemann Siemag Ag | Device and method for determining and determining the center of the stand and the positions of the roll stands |
JP4402264B2 (en) * | 1999-08-11 | 2010-01-20 | 三菱重工業株式会社 | Rolling mill |
US6209377B1 (en) * | 2000-02-16 | 2001-04-03 | Morgan Construction Company | Housingless roll stand |
EP1184094A3 (en) * | 2000-08-29 | 2004-12-22 | Hitachi, Ltd. | Rolling mill and rolling method |
IT1315118B1 (en) * | 2000-09-25 | 2003-02-03 | Danieli Off Mecc | LAMINATION CYLINDER POSITIONING VARIATION DEVICE FOR FLAT PRODUCTS. |
US20070051154A1 (en) * | 2005-09-06 | 2007-03-08 | Mario Fabris | Reaction force expanding and clamping device |
EP1925376B1 (en) * | 2006-11-24 | 2012-03-21 | Francis Miniscloux | Tool unit for making profiles with a device for compensating deflection and machine comprising such a unit |
DE102006056317A1 (en) * | 2006-11-29 | 2008-06-05 | Sms Demag Ag | rolling mill |
DE102007001322A1 (en) * | 2007-01-03 | 2008-07-10 | Sms Demag Ag | Guide device for the chocks of work rolls |
DE102007011849B4 (en) * | 2007-03-12 | 2009-02-26 | Data M Software Gmbh | Apparatus and method for bending flat semi-finished product to profile with variable over its length cross-section |
-
2002
- 2002-09-20 DE DE10243677A patent/DE10243677A1/en not_active Withdrawn
-
2003
- 2003-07-25 KR KR1020057003920A patent/KR100990866B1/en not_active IP Right Cessation
- 2003-07-25 CA CA2498303A patent/CA2498303C/en not_active Expired - Fee Related
- 2003-07-25 JP JP2004542275A patent/JP4732752B2/en not_active Expired - Fee Related
- 2003-07-25 AU AU2003250179A patent/AU2003250179A1/en not_active Abandoned
- 2003-07-25 DE DE50303390T patent/DE50303390D1/en not_active Expired - Lifetime
- 2003-07-25 US US10/528,324 patent/US20060021412A1/en not_active Abandoned
- 2003-07-25 BR BRPI0313605-1A patent/BR0313605B1/en not_active IP Right Cessation
- 2003-07-25 AT AT03807758T patent/ATE326295T1/en active
- 2003-07-25 ES ES03807758T patent/ES2260692T3/en not_active Expired - Lifetime
- 2003-07-25 EP EP03807758A patent/EP1556178B1/en not_active Expired - Lifetime
- 2003-07-25 UA UAA200503731A patent/UA82333C2/en unknown
- 2003-07-25 CN CNB038222760A patent/CN100342988C/en not_active Expired - Fee Related
- 2003-07-25 WO PCT/EP2003/008223 patent/WO2004033120A1/en active IP Right Grant
- 2003-07-25 RU RU2005111758/02A patent/RU2313410C2/en not_active IP Right Cessation
-
2005
- 2005-02-10 ZA ZA200501197A patent/ZA200501197B/en unknown
-
2009
- 2009-09-30 US US12/587,050 patent/US20100018275A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2004033120A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2498303C (en) | 2010-09-14 |
ES2260692T3 (en) | 2006-11-01 |
RU2313410C2 (en) | 2007-12-27 |
RU2005111758A (en) | 2005-09-20 |
US20100018275A1 (en) | 2010-01-28 |
KR100990866B1 (en) | 2010-10-29 |
ATE326295T1 (en) | 2006-06-15 |
DE50303390D1 (en) | 2006-06-22 |
BR0313605B1 (en) | 2012-09-04 |
EP1556178B1 (en) | 2006-05-17 |
DE10243677A1 (en) | 2004-04-01 |
KR20050057252A (en) | 2005-06-16 |
WO2004033120A1 (en) | 2004-04-22 |
JP4732752B2 (en) | 2011-07-27 |
CN1681610A (en) | 2005-10-12 |
ZA200501197B (en) | 2005-09-12 |
CN100342988C (en) | 2007-10-17 |
UA82333C2 (en) | 2008-04-10 |
AU2003250179A1 (en) | 2004-05-04 |
JP2006500225A (en) | 2006-01-05 |
US20060021412A1 (en) | 2006-02-02 |
BR0313605A (en) | 2005-06-21 |
CA2498303A1 (en) | 2004-04-22 |
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