EP0907441B1 - Verfahren zum führen eines stranges und strangführung dazu - Google Patents
Verfahren zum führen eines stranges und strangführung dazu Download PDFInfo
- Publication number
- EP0907441B1 EP0907441B1 EP97931669A EP97931669A EP0907441B1 EP 0907441 B1 EP0907441 B1 EP 0907441B1 EP 97931669 A EP97931669 A EP 97931669A EP 97931669 A EP97931669 A EP 97931669A EP 0907441 B1 EP0907441 B1 EP 0907441B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- servo
- piston
- cylinder units
- strand
- strand guide
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009749 continuous casting Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 3
- 239000010959 steel Substances 0.000 claims abstract description 3
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
Definitions
- the invention relates to a method for guiding a strand in a continuous caster with a soft reduction line, with the hydraulic servo units the jaw width of continuously set opposite strand guide rollers, as well as the corresponding one Strand guidance for this.
- Continuous casting plants in particular steel continuous casting plants, use to guide the Strand rolls that limit the thickness of the strand that has not yet hardened and prevent bulging of the strand shell as a result of the ferrostatic internal pressure.
- Such a strand guide is known from DE 40 22 871 C2, in which the scaffolding parts bear opposite strand guide rollers, by means of a Sliding device against each other up to a system of support devices
- Counter supports can be tensioned with the different altitudes located support surfaces and are provided with counter support surfaces, the individual Support disks are adjustable by twisting.
- DE-C-3822939 is a strand guide with hydraulically adjustable and regulated pairs of rollers known, these pairs of rollers of each pair of rollers assigned controllers and a higher-level controller can be controlled.
- the single ones Regulators have valves.
- the invention has therefore set itself the goal of a method and a corresponding Show device for guiding a strand of a continuous caster, in which the static caused by the four-point bearing of the strand segment Overdetermination avoided and the resulting strain of the Segment lot parts is reduced.
- the invention achieves this goal by the characterizing features of Process claim 1 and device claim 4.
- the pair of cylinders switched with only one servo valve has one for each cylinder Position encoder on. From the signals of the individual position sensors to each other linked servo piston cylinder units, an average is formed which is based on the common position controller acting as a position value is fed.
- the servo piston cylinder units of the Inlet or the outlet of the strand guide segments linked together.
- the strand guide segments will be linked in the same way, For example, connect all inlets to a position controller and all Control spouts independently.
- a defined path value for example a specifiable one Distance when determining the mean value or other continuous casting data another pair of servo piston cylinder units can be linked together become.
- Figures 1 and 2 show a strand guide segment 81 with the Strand guide rollers 82 to 85 or 87.
- the strand guide direction is through a Arrow indicated.
- the upper part and the lower part (not shown in the drawing) of the Strand guide frame 81 is formed by four servo piston cylinder units 11, 15, 21, 25 linked together.
- the servo piston cylinder units 11, 15, 21, 25 have position sensors 12, 16, 22 and 26, which are connected to position controllers 71 to 74 via measuring lines 75 to 77 are.
- the servo piston cylinder unit 11 with the servo valve 13 the servo piston cylinder unit 15 with the servo valve 17th each individually controllable, while the servo cylinder units 21 and 25 are in the outlet are linked together with the servo valve 27.
- FIG. 2 shows only the servo piston cylinder units of the inlet 11, 15 or the outlet 23, 25 linked via hydraulic lines 31, 41 or 32, 42.
- the servo valves 13, 17 with a servo piston cylinder unit 11 are in the inlet area or 15 or can be linked to both.
- a single servo valve 24 is provided for the servo piston cylinder units 21 and 25 in FIG.
- This servo valve 24 is linked to a position controller 72, which is connected to the position sensors 22 and 26 by measuring lines 77 and 78.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Actuator (AREA)
- Road Signs Or Road Markings (AREA)
- Artificial Fish Reefs (AREA)
- Paper (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Fluid-Pressure Circuits (AREA)
- Seal Device For Vehicle (AREA)
- Die Bonding (AREA)
Description
- Figur 1
- ein Schema einer Strangführung mit beliebig verknüpfbaren Servoeinheiten
- Figur 2
- ein Schema einer Strangführung mit einem Strangeinlauf bzw. -auslauf verknüpften Servoeinheiten
Einlauf Strangführungssegment | |
11 | Servokolbenzylindereinheit links |
12 | Positionsgeber (11) |
13 | Servoventil (11) |
15 | Servokolbenzylindereinheit rechts |
16 | Positionsgeber (15) |
17 | Servoventil (15) |
Auslauf Strangführungssegment | |
21 | Servokolbenzylindereinheit links |
22 | Positionsgeber (21) |
23 | Servoventil (21) |
24 | Servoventil (21, 25) |
25 | Servokolbenzylindereinheit rechts |
26 | Positionsgeber (25) |
27 | Servoventil (25) |
31 - 38 | Hydraulikleitung Kolbenfläche |
41 - 48 | Hydraulikleitung Ringfläche |
51 - 58 | Absperrorgan Hydraulikleitung Kolbenfläche |
61 - 68 | Hydraulikleitung Ringfläche |
Position (Maulweite) | |
71 - 74 | Positionsregler |
75 - 77 | Meßleitung |
Strangführung | |
81 | Strangführungssegment |
82 - 87 | Strangführungsrollen |
Claims (8)
- Verfahren zum Führen eines Stranges in einer Stranggießanlage mit einer Soft Reduction-Strecke, bei der hydraulische Servoeinheiten die Maulweite von gegenüberliegenden Strangführungsrollen stufenlos einstellen,
dadurch gekennzeichnet,
daß bei einem Strangführungssegment mit 4 Servokolbenzylindereinheiten zwei benachbarte Servokolbenzylindereinheiten hydraulisch miteinander verknüpft an den Strang angestellt werden und die übrigen Servokolbenzylindereinheiten unabhängig eingestellt werden. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
daß die Position der beiden miteinander verknüpften Servokolbenzylindereinheiten erfaßt, mit Sollwerten verglichen und entsprechend vorgebbaren Daten gemäß eines Mittelwertes gesteuert werden. - Verfahren nach Anspruch 2,
dadurch gekennzeichnet,
daß bei Überschreiten definierter Eckwerte ein anderes Paar von Servokolbenzylindereinheiten miteinander verknüpft wird. - Strangführung einer Stranggießanlage zum Stranggießen von Stahl mit einer Soft Reduction-Strecke, die je Segment 4 Servokolbenzylindereinheiten zur stufenlosen Einstellung der Maulweite der gegenüberliegenden Strangführungsrollen aufweist, wobei die Servokolbeneinheiten mit Positionsgebern regeltechnisch miteinander verknüpft sind, zur Durchführung des Verfahrens nach Anspruch 1,
dadurch gekennzeichnet,
daß Hydraulikleitungen (31 - 38, 41 - 48) vorgesehen sind, die die Ringflächen und die Kolbenflächen zweier benachbarter Servokolbenzylindereinheiten (11, 15, 21, 25) mit einem gemeinsamen Servoventil (13, 17, 23, 27, 24) verbinden und
daß mindestens die Positionsgeber (12, 16, 22, 26) der mit einem gemeinsamen Servoventil (13, 17, 23, 27, 24) geschalteten Servokolbenzylindereinheiten (11, 15, 21, 25) in der Weise regeltechnisch miteinander verknüpfbar sind, daß zwei benachbarte Servokolbenzylindereinheiten (11,15 oder 21,25) hydraulisch miteinander verknüpft an den Strang angestellt werden und die übrigen Zylindereinheiten (21,25 oder 11,15) unabhängig anstellbar sind. - Strangführung nach Anspruch 4,
dadurch gekennzeichnet,
daß die Hydraulikleitungen (31 - 38, 41 - 48) durch Absperrorgane (51 - 58, 61 - 68) in der Weise absperrbar sind, daß zwei benachbarte Servokolbenzylindereinheiten hydraulisch und steuerungsmäßig miteinander verknüpfbar und die übrigen zwei Servokolbenzylindereinheiten unabhängig einsetzbar sind. - Strangführung nach Anspruch 5,
dadurch gekennzeichnet,
daß die mit den Ring- und mit den Kolbenflächen verbundenen Hydraulikleitungen der Servokolbenzylindereinheiten des Einlaufs (11, 15) und / oder des Auslaufs (21, 25) miteinander verbindbar sind. - Strangführung nach Anspruch 6,
dadurch gekennzeichnet,
daß die Hydraulikleitungen (31 - 38, 41 - 48) mit jeweils einzelnen abschaltbaren Servoventilen (13, 17, 23, 27) verbunden sind. - Strangführung nach Anspruch 6,
dadurch gekennzeichnet,
daß die Hydraulikleitungen des Einlaufs (31, 41) oder des Auslaufs (32, 42) an ein alleiniges Servoventil (24) angeschlossen sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19627336 | 1996-06-28 | ||
DE19627336A DE19627336C1 (de) | 1996-06-28 | 1996-06-28 | Verfahren zum Führen eines Stranges und Strangführung |
PCT/DE1997/001342 WO1998000253A1 (de) | 1996-06-28 | 1997-06-23 | Verfahren zum führen eines stranges und strangführung dazu |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0907441A1 EP0907441A1 (de) | 1999-04-14 |
EP0907441B1 true EP0907441B1 (de) | 2001-07-25 |
Family
ID=7799151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97931669A Expired - Lifetime EP0907441B1 (de) | 1996-06-28 | 1997-06-23 | Verfahren zum führen eines stranges und strangführung dazu |
Country Status (13)
Country | Link |
---|---|
US (1) | US6216769B1 (de) |
EP (1) | EP0907441B1 (de) |
JP (1) | JP3069376B2 (de) |
KR (1) | KR100314993B1 (de) |
CN (1) | CN1072062C (de) |
AT (1) | ATE203439T1 (de) |
AU (1) | AU3536797A (de) |
BR (1) | BR9709991A (de) |
CA (1) | CA2258883C (de) |
DE (2) | DE19627336C1 (de) |
ES (1) | ES2158572T3 (de) |
RU (1) | RU2184636C2 (de) |
WO (1) | WO1998000253A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1486275A1 (de) * | 2003-06-14 | 2004-12-15 | SMS Demag Aktiengesellschaft | Verfahren und Stranggiessmaschine zum Grundeinstellen und Kontrollieren der Rollenspalte von Führungsrollensegmenten oder Treiberrollenpaaren |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19745056A1 (de) * | 1997-10-11 | 1999-04-15 | Schloemann Siemag Ag | Verfahren und Anlage zur Erzeugung von Brammen in einer Stranggießanlage |
DE19809807C2 (de) * | 1998-03-09 | 2003-03-27 | Sms Demag Ag | Anstellverfahren für ein Rollensegment einer Stranggießanlage |
DE19824366A1 (de) | 1998-05-30 | 1999-12-02 | Schloemann Siemag Ag | Strangführungssegment für Brammengießanlagen |
DE19836843A1 (de) * | 1998-08-14 | 2000-02-17 | Schloemann Siemag Ag | Vorrichtung zum hydraulischen Anstellen der Rollen von Strangführungssegmenten einer Stranggießanlage |
DE10025452A1 (de) * | 2000-05-23 | 2001-11-29 | Sms Demag Ag | Verfahren und Einrichtung zum Anstellen eines oder mehrerer Rollensegmente in einer Stranggießanlage für Metalle, insbesondere für Stahlwerkstoffe |
DE10106252A1 (de) * | 2001-02-10 | 2002-08-14 | Sms Demag Ag | Strangführung einer Stranggiessanlage sowie Anstellverfahren für deren Rollensegmente |
DE10236367A1 (de) * | 2002-08-08 | 2004-02-19 | Sms Demag Ag | Verfahren und Vorrichtung zum dynamischen Anstellen von einen Giessstrang aus Metall, insbesondere aus Stahl, beidseitig stützenden und/oder führenden Rollensegmenten |
DE10359380A1 (de) * | 2003-12-18 | 2005-07-14 | Sms Demag Ag | Verfahren und Stranggießmaschine zum Grundeinstellen und Kontrollieren der Rollenspalte von Stützrollensegmenten oder Treiberrollenpaaren beim Gießen von flüssigen Metallen, insbesondere von flüssigen Stahlwerkstoffen |
DE102005028703A1 (de) * | 2005-06-20 | 2006-12-28 | Siemens Ag | Verfahren zur Regelung und/oder Steuerung eines Anstellsegmentes in einer Stranggießanlage und Vorrichtung hierfür |
DE102005028711A1 (de) * | 2005-06-20 | 2006-12-28 | Siemens Ag | Verfahren zur Regelung und/oder Steuerung eines verstellbaren Rollensegmentes in einer Stranggießanlage |
CN100493772C (zh) * | 2005-07-28 | 2009-06-03 | 西安重型机械研究所 | 铸轧及动态轻压下用液压系统 |
CN103820628B (zh) * | 2014-03-11 | 2015-07-08 | 斯坦因(上海)工业炉有限公司 | 一种加热炉板坯定位装置及其定位方法 |
CN104772445B (zh) * | 2015-04-24 | 2017-05-24 | 中冶京诚工程技术有限公司 | 用于方坯连铸机的导向装置和方坯连铸的控制方法 |
RU168547U1 (ru) * | 2016-02-25 | 2017-02-08 | Акционерное общество "Машиностроительный концерн ОРМЕТО-ЮУМЗ" | Роликовый блок для комбинированной МНЛЗ |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH399659A (de) * | 1963-01-08 | 1965-09-30 | Concast Ag | Stranggussanlage |
DE2133144B2 (de) * | 1971-07-03 | 1973-09-27 | Concast Ag, Zuerich (Schweiz) | Verfahren und Vorrichtung zum Ausfordern und Richten eines Stranges in einer Stranggiessanlage |
JPS63286260A (ja) * | 1987-05-19 | 1988-11-22 | Nkk Corp | 軽圧下鋳造方法 |
JPH01166863A (ja) * | 1987-12-23 | 1989-06-30 | Nippon Steel Corp | 双ドラム式連鋳機の圧下制御方法及び装置 |
DE3907905C2 (de) * | 1988-07-04 | 1999-01-21 | Mannesmann Ag | Stranggießverfahren |
DE3822939C1 (en) * | 1988-07-04 | 1989-10-05 | Mannesmann Ag, 4000 Duesseldorf, De | Continuous casting method for the production of slabs with a reduced thickness relative to the cast condition |
DE4022871A1 (de) * | 1990-07-18 | 1992-01-23 | Voest Alpine Ind Anlagen | Strangfuehrung an einer stranggiessanlage |
DE4138740A1 (de) * | 1991-11-26 | 1993-05-27 | Schloemann Siemag Ag | Verfahren und vorrichtung zum stranggiessen von brammen oder bloecken |
DE19511113A1 (de) * | 1995-03-25 | 1996-09-26 | Schloemann Siemag Ag | Strangführung einer Stranggießanlage für Dünnbrammen |
-
1996
- 1996-06-28 DE DE19627336A patent/DE19627336C1/de not_active Expired - Fee Related
-
1997
- 1997-06-23 JP JP10503739A patent/JP3069376B2/ja not_active Expired - Fee Related
- 1997-06-23 KR KR1019980710725A patent/KR100314993B1/ko not_active IP Right Cessation
- 1997-06-23 EP EP97931669A patent/EP0907441B1/de not_active Expired - Lifetime
- 1997-06-23 RU RU99102531/02A patent/RU2184636C2/ru not_active IP Right Cessation
- 1997-06-23 CN CN97195782A patent/CN1072062C/zh not_active Expired - Fee Related
- 1997-06-23 WO PCT/DE1997/001342 patent/WO1998000253A1/de active IP Right Grant
- 1997-06-23 DE DE59704137T patent/DE59704137D1/de not_active Expired - Lifetime
- 1997-06-23 CA CA002258883A patent/CA2258883C/en not_active Expired - Fee Related
- 1997-06-23 ES ES97931669T patent/ES2158572T3/es not_active Expired - Lifetime
- 1997-06-23 AT AT97931669T patent/ATE203439T1/de not_active IP Right Cessation
- 1997-06-23 US US09/214,086 patent/US6216769B1/en not_active Expired - Fee Related
- 1997-06-23 BR BR9709991A patent/BR9709991A/pt not_active IP Right Cessation
- 1997-06-23 AU AU35367/97A patent/AU3536797A/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1486275A1 (de) * | 2003-06-14 | 2004-12-15 | SMS Demag Aktiengesellschaft | Verfahren und Stranggiessmaschine zum Grundeinstellen und Kontrollieren der Rollenspalte von Führungsrollensegmenten oder Treiberrollenpaaren |
Also Published As
Publication number | Publication date |
---|---|
ATE203439T1 (de) | 2001-08-15 |
JP2000503597A (ja) | 2000-03-28 |
ES2158572T3 (es) | 2001-09-01 |
WO1998000253A1 (de) | 1998-01-08 |
BR9709991A (pt) | 1999-08-10 |
DE59704137D1 (de) | 2001-08-30 |
DE19627336C1 (de) | 1997-09-18 |
KR20000022303A (ko) | 2000-04-25 |
RU2184636C2 (ru) | 2002-07-10 |
CA2258883C (en) | 2002-08-20 |
CA2258883A1 (en) | 1998-01-08 |
AU3536797A (en) | 1998-01-21 |
JP3069376B2 (ja) | 2000-07-24 |
US6216769B1 (en) | 2001-04-17 |
CN1222874A (zh) | 1999-07-14 |
CN1072062C (zh) | 2001-10-03 |
EP0907441A1 (de) | 1999-04-14 |
KR100314993B1 (ko) | 2002-02-28 |
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