EP1420898A1 - Wälzgerüst zum walzen von unterschiedlichem walzgut, das unterschiedliche walzkräfte erfordert - Google Patents
Wälzgerüst zum walzen von unterschiedlichem walzgut, das unterschiedliche walzkräfte erfordertInfo
- Publication number
- EP1420898A1 EP1420898A1 EP02797582A EP02797582A EP1420898A1 EP 1420898 A1 EP1420898 A1 EP 1420898A1 EP 02797582 A EP02797582 A EP 02797582A EP 02797582 A EP02797582 A EP 02797582A EP 1420898 A1 EP1420898 A1 EP 1420898A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- piston
- rolling
- roll
- roll stand
- 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 41
- 238000007789 sealing Methods 0.000 claims description 9
- 238000013000 roll bending Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
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
- B21B31/20—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
Definitions
- Roll stand for rolling different rolling stock that requires different rolling forces
- the invention relates to a roll stand for rolling different rolling stock, which requires different rolling forces, with a lower and an upper work roll, the support rolls assigned to the work rolls, possibly a roll bending device for the work rolls, and possibly devices for adjusting and balancing the Back-up roller and with pairs of positioning cylinders between the roller stands and the chocks.
- the hydraulic jack cylinders are used to generate the rolling force
- Rolling mills used. A large variety of products is currently decisive for the rolling mills, which results in large differences in rolling force between the individual products for the same rolling stand.
- Adjusting cylinders each have a hat piston guided in a cylinder housing on a cylinder journal and in a cylinder collar, its central piston surface formed by the inner hat bottom and by the hat rim formed annular piston surface can be acted upon independently of one another or individually or together with pressure medium. However, this only creates more friction surfaces that make the control more difficult.
- the invention is based on the object of reducing these friction losses in order thereby to achieve more precise control.
- the positioning cylinders each consist of a telescopic cylinder in which a first, concentric cylinder with a large diameter is provided for high rolling forces and a second concentric cylinder with a smaller diameter for small rolling forces. This only creates frictional forces on the seal between the cylinder and the associated piston. As a result, the frictional losses are lower overall and more precise control of the rolling forces can be achieved.
- the first, large cylinder with a large diameter form an outer, annular pressure chamber, the pressure medium of which presses a large piston ring against the cylinder base.
- the smaller piston of the second cylinder with a smaller diameter forms a pressure chamber in the interior of the large piston for actuating the smaller piston.
- a further development provides that the pressure medium connection for the smaller piston through the cylinder wall and through the cylinder bottom of the larger one Cylinder is guided.
- the advantage is short media supply lines and a distribution of the pressure medium connections on two sides of the adjusting cylinder.
- the pressure medium connection for the annular pressure chamber of the large piston forms a connection to the underside of the small piston. This also saves construction space here.
- a short media feed line also arises from the fact that the first large cylinder has a pressure medium connection opening into the region of the cylinder base. This supports the idea of being able to move the large piston into a rest position in which only the smaller piston is actuated for smaller rolling forces.
- a further advantageous embodiment results from the fact that the first, large cylinder can be closed by means of an end ring sealing the large piston, to which the pressure medium connection for the outer, annular pressure chamber is connected.
- the end ring can accommodate sealing rings against the large piston and allows the formation of the annular pressure chamber.
- a roll stand for rolling different rolling stock, which requires different rolling forces, with lower and upper work rolls not shown in detail, support rolls assigned to the work rolls, possibly a roll bending device for the work rolls, and possibly devices for Positioning and balancing of the support rollers required. Pairs of adjusting cylinders 3 are shown between the roll stands 1 and a chock 2.
- the positioning cylinders 3 each consist of a telescopic cylinder 4.
- the large piston 5d is sealed with a large ring seal 6 in the cylinder housing 7.
- the cylinder housing 7 is closed at the bottom by means of a closing ring 8, ring seals 9 and 10 likewise sealing the large piston 5d.
- a pressure medium connection 11 in the annular pressure chamber 5a When acted upon by a pressure medium connection 11 in the annular pressure chamber 5a, the large piston 5d is pressed up to the cylinder base 5c, as shown.
- the back pressure is built up via a pressure medium connection 12.
- a pressure chamber 13 is designed within the first, large piston 5d and can be acted upon by the pressure medium connection 14.
- the pressure chamber 13 is closed at the bottom by a second, smaller cylinder 15, which slides in the large piston 5d, with a second, smaller piston 15a.
- the pressure medium connection 14 is connected to the pressure chamber 13 via a pressure medium channel 16, which runs through the upper region of the cylinder housing 7.
- the second, smaller piston 15a is sealed with corresponding sealing rings 17, 18, the diameter of which is smaller, in the second, smaller cylinder 15.
- Another sealing ring 19 is located on the smaller piston 15a within the large piston 5d.
- the pressure medium connection 14 guides the pressure medium through the cylinder wall 5e and through the cylinder base 5c.
- the smaller piston 15a is in the upper position and in the right half of the illustration in the lower position.
- the pressure medium connection 11 establishes a connection 20 to the underside 15b of the smaller piston 15a for the large, annular pressure chamber 5a.
- the smaller piston 15a of the second, smaller cylinder 15 with the smaller diameter in the interior 21 forms the pressure chamber 13 for actuating the small piston 15a.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Actuator (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Laminated Bodies (AREA)
- Metal Rolling (AREA)
- Control Of Metal Rolling (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10141180A DE10141180A1 (de) | 2001-08-22 | 2001-08-22 | Walzgerüst zum Walzen von unterschiedlichem Walzgut, das unterschiedliche Walzkräfte erfordert |
| DE10141180 | 2001-08-22 | ||
| PCT/EP2002/009195 WO2003020452A1 (de) | 2001-08-22 | 2002-08-16 | Wälzgerüst zum walzen von unterschiedlichem walzgut, das unterschiedliche walzkräfte erfordert |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1420898A1 true EP1420898A1 (de) | 2004-05-26 |
| EP1420898B1 EP1420898B1 (de) | 2005-02-16 |
Family
ID=7696270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02797582A Expired - Lifetime EP1420898B1 (de) | 2001-08-22 | 2002-08-16 | Wälzgerüst zum walzen von unterschiedlichem walzgut, das unterschiedliche walzkräfte erfordert |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US7347073B2 (de) |
| EP (1) | EP1420898B1 (de) |
| JP (1) | JP4430933B2 (de) |
| KR (1) | KR100849120B1 (de) |
| CN (1) | CN1251816C (de) |
| AT (1) | ATE289227T1 (de) |
| BR (1) | BR0211553B1 (de) |
| CA (1) | CA2457177C (de) |
| DE (2) | DE10141180A1 (de) |
| ES (1) | ES2236618T3 (de) |
| RU (1) | RU2294253C2 (de) |
| UA (1) | UA78222C2 (de) |
| WO (1) | WO2003020452A1 (de) |
| ZA (1) | ZA200400397B (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014207859A1 (de) | 2013-04-26 | 2014-10-30 | Sms Siemag Ag | Verfahren und Walzgerüst zum Kaltwalzen von Walzgut |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10334727A1 (de) * | 2003-07-30 | 2005-02-24 | Sms Demag Ag | Walzvorrichtung |
| CN1320968C (zh) * | 2005-04-29 | 2007-06-13 | 中国第二重型机械集团公司 | 轧机弯辊串辊装置 |
| DE102007048686A1 (de) * | 2007-10-10 | 2009-04-16 | Sms Demag Ag | Positionsgeber zur Anstellhubwegmessung eines Kolben-Zylinder-Systems |
| DE102008009902A1 (de) * | 2008-02-19 | 2009-08-27 | Sms Demag Ag | Walzvorrichtung, insbesondere Schubwalzengerüst |
| PL2265395T3 (pl) * | 2008-04-23 | 2013-08-30 | Sms Innse Spa | Krawędziarka i sposób regulowania krawędziarki |
| CN100574911C (zh) * | 2008-06-03 | 2009-12-30 | 中冶京诚工程技术有限公司 | 一种组合式压下平衡装置及其控制方法 |
| DE102014225162B4 (de) | 2014-12-08 | 2017-06-08 | Achenbach Buschhütten GmbH & Co. KG | Walzgerüst mit Walzenanstelleinrichtung |
| DE102017216547A1 (de) * | 2017-09-19 | 2019-03-21 | Sms Group Gmbh | Walzgerüst |
| DE102024209151A1 (de) * | 2024-09-24 | 2026-03-26 | Sms Group Gmbh | Verfahren zum Walzen eines metallischen Guts mittels mindestens eines Walzgerüsts |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2027283A (en) * | 1934-05-21 | 1936-01-07 | William G Mcfadden | Hydraulic roll adjuster mechanism |
| AT250154B (de) | 1961-11-11 | 1966-10-25 | Forkardt Paul Kg | Druckvorrichtung für das Anpressen von Walzen in Walzgerüsten, Kalandern od. dgl. |
| CH587688A5 (de) * | 1975-02-13 | 1977-05-13 | Escher Wyss Ag | |
| GB1589299A (en) * | 1976-11-02 | 1981-05-13 | Loewy Robertson Eng Co Ltd | Rolling mill stand |
| DE3019947A1 (de) * | 1980-05-24 | 1981-12-03 | Fried. Krupp Gmbh, 4300 Essen | Walzenanstellvorrichtung |
| GB8332972D0 (en) * | 1983-12-09 | 1984-01-18 | Hille Eng Co Ltd | Rolling mill stand |
| JPS60162513A (ja) | 1984-02-03 | 1985-08-24 | Nippon Steel Corp | 圧延機の油圧圧下装置 |
| JPS62130705A (ja) | 1985-12-02 | 1987-06-13 | Nisshin Steel Co Ltd | 油圧圧下装置 |
| DE3638330A1 (de) * | 1986-11-10 | 1988-05-19 | Schloemann Siemag Ag | Walzgeruest mit einer vorrichtung zum axialen verschieben von anstellbaren walzen |
| DE4010662C3 (de) * | 1990-04-03 | 2001-07-05 | Bwg Bergwerk Walzwerk | Anstellvorrichtung zum Einstellen des Walzenabstandes in Walzgerüsten, insbesondere in Bandwalzgerüsten für Warm- oder Kaltwalzung |
| US5234187A (en) * | 1992-06-02 | 1993-08-10 | Steelcase Inc. | Chair height adjustment mechanism |
| DE9304697U1 (de) | 1993-03-25 | 1993-05-19 | Mannesmann AG, 4000 Düsseldorf | Walzkraftregelanordnung |
| DE19622305C1 (de) * | 1996-05-20 | 1997-08-21 | Mannesmann Ag | Walzgerüst mit Stütz- und Arbeitswalzen |
| RU2160644C2 (ru) * | 1998-12-22 | 2000-12-20 | Открытое акционерное общество "Уральский завод тяжелого машиностроения" | Прокатная клеть кварто |
-
2001
- 2001-08-22 DE DE10141180A patent/DE10141180A1/de not_active Withdrawn
-
2002
- 2002-08-16 UA UA2004032073A patent/UA78222C2/uk unknown
- 2002-08-16 CA CA2457177A patent/CA2457177C/en not_active Expired - Fee Related
- 2002-08-16 WO PCT/EP2002/009195 patent/WO2003020452A1/de not_active Ceased
- 2002-08-16 JP JP2003524748A patent/JP4430933B2/ja not_active Expired - Fee Related
- 2002-08-16 DE DE50202291T patent/DE50202291D1/de not_active Expired - Lifetime
- 2002-08-16 KR KR1020047001597A patent/KR100849120B1/ko not_active Expired - Fee Related
- 2002-08-16 CN CNB028165136A patent/CN1251816C/zh not_active Expired - Fee Related
- 2002-08-16 US US10/486,170 patent/US7347073B2/en not_active Expired - Lifetime
- 2002-08-16 AT AT02797582T patent/ATE289227T1/de active
- 2002-08-16 BR BRPI0211553-0A patent/BR0211553B1/pt not_active IP Right Cessation
- 2002-08-16 ES ES02797582T patent/ES2236618T3/es not_active Expired - Lifetime
- 2002-08-16 RU RU2004108118/02A patent/RU2294253C2/ru active
- 2002-08-16 EP EP02797582A patent/EP1420898B1/de not_active Expired - Lifetime
-
2004
- 2004-01-20 ZA ZA200400397A patent/ZA200400397B/xx unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03020452A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014207859A1 (de) | 2013-04-26 | 2014-10-30 | Sms Siemag Ag | Verfahren und Walzgerüst zum Kaltwalzen von Walzgut |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2457177C (en) | 2010-09-07 |
| EP1420898B1 (de) | 2005-02-16 |
| RU2004108118A (ru) | 2005-03-27 |
| US20040187538A1 (en) | 2004-09-30 |
| CN1251816C (zh) | 2006-04-19 |
| ES2236618T3 (es) | 2005-07-16 |
| WO2003020452A1 (de) | 2003-03-13 |
| BR0211553A (pt) | 2004-07-13 |
| US7347073B2 (en) | 2008-03-25 |
| KR100849120B1 (ko) | 2008-07-30 |
| JP2005501718A (ja) | 2005-01-20 |
| BR0211553B1 (pt) | 2009-12-01 |
| CN1547515A (zh) | 2004-11-17 |
| DE10141180A1 (de) | 2003-03-06 |
| CA2457177A1 (en) | 2003-03-13 |
| JP4430933B2 (ja) | 2010-03-10 |
| DE50202291D1 (de) | 2005-03-24 |
| ZA200400397B (en) | 2004-07-19 |
| UA78222C2 (en) | 2007-03-15 |
| ATE289227T1 (de) | 2005-03-15 |
| RU2294253C2 (ru) | 2007-02-27 |
| KR20040028970A (ko) | 2004-04-03 |
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