EP0908256B1 - Process and installation for the production of slabs in a continuous casting machine - Google Patents

Process and installation for the production of slabs in a continuous casting machine Download PDF

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Publication number
EP0908256B1
EP0908256B1 EP98118603A EP98118603A EP0908256B1 EP 0908256 B1 EP0908256 B1 EP 0908256B1 EP 98118603 A EP98118603 A EP 98118603A EP 98118603 A EP98118603 A EP 98118603A EP 0908256 B1 EP0908256 B1 EP 0908256B1
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EP
European Patent Office
Prior art keywords
segment
force
drive roller
adjusting
regulated
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EP98118603A
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German (de)
French (fr)
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EP0908256A1 (en
Inventor
Axel Dipl.-Ing. Weyer
Lothar Dipl.-Ing. Fischer
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SMS Siemag AG
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SMS Demag AG
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    • 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
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/20—Controlling or regulating processes or operations for removing cast stock
    • B22D11/208—Controlling or regulating processes or operations for removing cast stock for aligning the guide rolls
    • 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 and a system for Production of slabs directed in a continuous caster, with one downstream of the casting mold, divided into segments Strand guide, each consisting of a two-part Segment frame, its frame parts by means of hydraulic cylinders are tense with each other and in pairs with each other opposite roles to support and promote the solidifying cast strand are stored, at least one of these roles, the driving role, for the transmission of the Conveying forces with a defined force against the Cast strand is pressed.
  • the task set is device-wise with the characteristic features of claim 1 and procedurally with the characterizing features of claim 4 in a continuous casting plant for the production of slabs, with one strand guide arranged downstream of the casting mold and divided into segments, each consisting of a two-part segment frame, the frame parts are clamped together by means of hydraulic cylinders and in pairs with each other opposite roles to support and promote the freezing Cast strand are stored, at least one of these rollers, the drive roller, to transfer the strand conveying forces with a defined contact force the cast strand is pressed, solved by the segment frame parts thanks to four infinitely position and force-controlled hydraulic segment setting cylinders connected with each other at a distance and against each other with defined force application are tense.
  • the drive roller is in the area the entry or exit side of the segment at the segment edge without the usual arranged own pitch cylinder.
  • segment positioning cylinder Furthermore, it is possible by appropriate position and force-controlled employment the segment positioning cylinder the required positioning forces for the driven Roll on the pair of rolls on the inlet or outlet side at the segment edge transferred to.
  • the drive roller can thus from the usual segment center position be moved to the entry or exit side of the segment.
  • the Segment adjusting cylinders then take on the additional task of transferring of hiring staff to promote the strand, with the advantage that none Segment side frame deflection due to the otherwise usually in the middle attacking pitch cylinder for the drive roller takes place more because this additional Advance cylinders are now advantageously no longer required.
  • the measures of the invention are an optimal introduction of force for the transmission of the strand conveyors with the further advantages that for the Drive roller through appropriate position and force control of the segment positioning cylinders both an anti-lock control and an anti-slip control is made possible.
  • FIG. 1 shows a strand guide (10) of a known one Continuous caster consisting of a total of 12 segments (14, 14 ') shown, in which the emerging from the mold (11) Cast strand (12) by means of opposing rollers (13, 13 ') in the curve from the vertical casting direction in the horizontal rolling direction (15) is guided and promoted.
  • FIG. 2 shows a state-of-the-art device Segment (14) with a drive roller (13 ') in one cut shown parallel to the conveying direction (26).
  • the segment (14) consists of a segment upper frame (16), which means Hydraulic clamping cylinder (17) against the segment subframe (18) is pressed. Spacers (19) ensure this accordingly the strand format, for a constant distance of Frame parts (16, 18) from each other.
  • the one arranged in the middle of the segment (14) at the top Drive roller (13 ') is used to transfer the required Extraction forces on the cast strand (12) with two successive positioning cylinders (20) against the Cast strand (12) pressed so that the engine (21) over Gear (22) and drive shaft (23) on the drive roller (13 ') optimally delivered torque to the cast strand (12) whose funding is transferred.
  • Figures 4 and 5 show a segment (30) according to the Invention in two cutting positions, once in parallel to the conveying direction (26, Fig. 4) and then perpendicular to Direction of conveyance (26, Fig. 5).
  • FIG 6 is a segment designed according to the invention (30) in a section parallel to the conveying direction (26) a drive roller (13 ') shown.
  • the drive roller (13 ') is arranged on the edge of the segment, namely at the Segment inlet side, based on the conveying direction (26), because with the help of the position and force controlled Segment adjusting cylinder (31) the required adjusting force for the drive roller (13 ') has been moved towards the edge of the segment, so that own positioning cylinders for the drive roller (13 ') like in the known segment (14), are no longer required.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

Fixing of segment frame units (16, 18) is done using position and force controlled hydraulic cylinders (31) which also transfer to the drive roll (13') a force necessary for slab transport.

Description

Die Erfindung ist auf ein Verfahren und eine Anlage zur Erzeugung von Brammen in einer Stranggießanlage gerichtet, mit einer der Gießkokille nachgeordneten, in Segmente unterteilten Strangführung, bestehend jeweils aus einem zweigeteilten Segmentrahmen, dessen Rahmenteile mittels Hydraulikzylindern miteinander verspannt sind und in die paarweise einander gegenüberliegende Rollen zur Stützung und zur Förderung des erstarrenden Gussstranges gelagert sind, wobei mindestens eine dieser Rollen, die Antriebsrolle, zur übertragung der Förderkräfte mit einer definierten Anstellkraft gegen den Gussstrang gedrückt wird.The invention relates to a method and a system for Production of slabs directed in a continuous caster, with one downstream of the casting mold, divided into segments Strand guide, each consisting of a two-part Segment frame, its frame parts by means of hydraulic cylinders are tense with each other and in pairs with each other opposite roles to support and promote the solidifying cast strand are stored, at least one of these roles, the driving role, for the transmission of the Conveying forces with a defined force against the Cast strand is pressed.

Aus der DE 19 63 146 C1 ist eine Anlage zur Erzeugung von Brammen bekannt, bei der Teile des Rahmens der Strangführung mit ihren sich gegenüberliegenden Rollen zu Segmenten zusammengefasst sind, wobei die Segmentrahmen aus zwei die Rollen tragenden Jochrahmen bestehen und die Jochrahmen über Zuganker und Distanzstücke auf das Gießformat einstellbar sind.From DE 19 63 146 C1 an installation for the production of Slabs are known in the parts of the frame of the strand guide with their opposing roles to segments are summarized, the segment frame consisting of two die Roll bearing yoke frame exist and the yoke frame over Tie rods and spacers adjustable to the casting format are.

Bei herkömmlichen Strangführungsgerüsten in Segmentbauweise nach der in der DE 19 63 146 C1 beschriebenen Art werden bei Bogenanlagen, bei denen der Gussstrang aus der vertikalen Gießrichtung in die horizontale Walzrichtung geführt wird, die Ober- und Unterrahmen der Segmente durch vier an den Ecken außerhalb der Gussstrangbahn angeordnete, die Rahmen verbindende Hydraulikzylinder gegeneinander verspannt. Die Einstellung auf unterschiedliche Strangdicken erfolgt hierbei durch Distanzstücke, gegen die die Rahmenteile gepresst werden. Eine Veränderung des Rollenabstandes während des Gießprozesses ist aufgrund der Konstruktion nicht möglich.With conventional strand guide scaffolds in segment design according to the type described in DE 19 63 146 C1 Arch systems in which the cast strand from the vertical Casting direction is guided in the horizontal rolling direction Upper and lower frame of the segments by four at the corners the frames arranged outside the cast strand connecting hydraulic cylinders braced against each other. The Setting to different strand thicknesses takes place here through spacers against which the frame parts are pressed become. A change in the roller spacing during the Casting process is not possible due to the construction.

In der DE 43 06 853 C2 wird zur Behebung dieses Mangels vorgeschlagen, zwischen den Distanzstücken und dem jeweiligen Seitenrahmenteil einen Hydraulik-Plunger-Zylinder anzuordnen und dessen Ringkolben so zu bemessen, dass der Hydraulik-Plunger-Zylinder im druckentlasteten Zustand die Segmentteile auf den Abstand der Rollen fixiert, der der gewünschten Strangdicke entspricht. Durch diese Maßnahme wird eine Einstellung der Führungsrollen in drei definierten Positionen möglich.DE 43 06 853 C2 is used to remedy this defect suggested between the spacers and each Side frame part to arrange a hydraulic plunger cylinder and its ring piston so that the Hydraulic plunger cylinder in the depressurized state Segment parts fixed on the distance between the roles, the desired strand thickness corresponds. This measure will a setting of the leadership roles in three defined Positions possible.

Da bei diesen bekannten Strangführungsgerüsten die Hydraulikzylinder die Segmentrahmenteile gegen Distanzstücke pressen und somit nicht unmittelbar auf die den Gussstrang stützenden und führenden Rollen einwirken können, wird mindestens eine dieser Rollen, die Antriebsrolle, durch eigene hydraulische Anstellzylinder (meistens zwei je Antriebsrolle) mit der notwendigen Anstellkraft für die übertragung der Strangförderkräfte gegen den Gussstrang gepresst. Üblicherweise geschieht dies in der Mitte des Segmentes, wodurch sich je nach eingeleiteter Kraft eine Durchbiegung des entsprechenden Segmentseitenrahmens einstellen kann. Since in these known strand guide frames Hydraulic cylinder the segment frame parts against spacers press and therefore not directly on the cast strand supporting and leading roles at least one of these roles, the driving role, by own hydraulic positioning cylinders (usually two per drive roller) with the necessary staff for the transfer of the Extraction forces pressed against the cast strand. Usually this happens in the middle of the segment, which causes a deflection of the can set the appropriate segment side frame.

Es ist Aufgabe der Erfindung, die Strangführung bekannter Stranggießanlagen in Bezug auf ihre Konstruktion weiter auszubilden und insbesondere das bestehende Antriebskonzept zu verbessern.It is an object of the invention, the strand management of known continuous casting plants in To further develop their construction and especially the existing one Improve drive concept.

Die gestellte Aufgabe wird vorrichtungsmäßig mit den kennzeichnenden Merkmalen des Anspruchs 1 und verfahrensmäßig mit den kennzeichnenden Merkmalen des Anspruchs 4 bei einer Stranggießanlage zur Erzeugung von Brammen, mit einer der Gießkokille nachgeordneten, in Segmente unterteilten Strangführung, bestehend jeweils aus einem zweigeteilten Segmentrahmen, dessen Rahmenteile mittels Hydraulikzylindern miteinander verspannt sind und in die paarweise einander gegenüberliegende Rollen zur Stützung und zur Förderung des erstarrenden Gussstranges gelagert sind, wobei mindestens eine dieser Rollen, die Antriebsrolle, zur Übertragung der Strangförderkräfte mit einer definierten Anstellkraft gegen den Gussstrang gedrückt wird, dadurch gelöst, dass die Segmentrahmenteile durch vier stufenlos positions- und kraftgeregelte hydraulische Segmentanstellzylinder mit Abstand miteinander verbunden und mit definierter Krafteinleitung gegeneinander verspannt sind.The task set is device-wise with the characteristic features of claim 1 and procedurally with the characterizing features of claim 4 in a continuous casting plant for the production of slabs, with one strand guide arranged downstream of the casting mold and divided into segments, each consisting of a two-part segment frame, the frame parts are clamped together by means of hydraulic cylinders and in pairs with each other opposite roles to support and promote the freezing Cast strand are stored, at least one of these rollers, the drive roller, to transfer the strand conveying forces with a defined contact force the cast strand is pressed, solved by the segment frame parts thanks to four infinitely position and force-controlled hydraulic segment setting cylinders connected with each other at a distance and against each other with defined force application are tense.

In einer vorteilhaften Ausgestaltung der Erfindung ist die Antriebsrolle im Bereich der Ein- oder Auslaufseite des Segments am Segmentrand ohne die sonst üblichen eigenen Anstellzylinder angeordnet.In an advantageous embodiment of the invention, the drive roller is in the area the entry or exit side of the segment at the segment edge without the usual arranged own pitch cylinder.

Durch die stufenlose Anstellung der Segmentposition über vorzugsweise vier positions- und kraftgeregelte Segmentanstellzylinder, also eine Wandlung der bekannten Segmentklemmzylinder in Segmentanstellzylinder, ergibt sich neben der Verspannung der Segmentrahmenteile mit Vorteil auch die Möglichkeit des definierten Einbringens der Anstellkräfte für die Förderung des Gussstranges in der Strangführung für verschiedene Prozesssituationen (Verbesserung der Ausfördertechnik in Betriebs- und Störfällen).The stepless adjustment of the segment position over preferably four position and force-controlled segment actuating cylinders, so a conversion of the known Segment clamping cylinder in segment setting cylinder, results in addition to the bracing of the segment frame parts with advantage also the possibility of the defined Introducing the hiring staff to promote the cast strand in the strand guide for different process situations (improvement of conveying technology in operational and malfunction cases).

Weiterhin ist es möglich, durch entsprechende positions- und kraftgeregelte Anstellung der Segmentanstellzylinder die erforderlichen Anstellkräfte für die angetriebenen Rollen auf das Rollenpaar der Ein- oder Auslaufseite am Segmentrand zu übertragen. Die Antriebsrolle kann somit von der bisher üblichen Segmentmittenposition auf die Ein- oder Auslaufseite des Segments verlagert werden. Die Segmentanstellzylinder übernehmen dann zusätzlich die Aufgabe der Übertragung der Anstellkräfte für die Förderung des Stranges, mit dem Vorteil, dass keine Segmentseitenrahmendurchbiegung durch die sonst üblicherweise in der Mitte angreifenden Anstellzylinder für die Antriebsrolle mehr erfolgt, da diese zusätzlichen Anstellzylinder nun mit Vorteil nicht mehr erforderlich sind.Furthermore, it is possible by appropriate position and force-controlled employment the segment positioning cylinder the required positioning forces for the driven Roll on the pair of rolls on the inlet or outlet side at the segment edge transferred to. The drive roller can thus from the usual segment center position be moved to the entry or exit side of the segment. The Segment adjusting cylinders then take on the additional task of transferring of hiring staff to promote the strand, with the advantage that none Segment side frame deflection due to the otherwise usually in the middle attacking pitch cylinder for the drive roller takes place more because this additional Advance cylinders are now advantageously no longer required.

Durch die Maßnahmen der Erfindung ist eine optimale Krafteinleitung für die Übertragung der Strangförderkräfte gegeben mit den weiteren Vorteilen, dass für die Antriebsrolle durch entsprechende Positions- und Kraftregelung der Segmentanstellzylinder sowohl eine Anti-Blockier-Regelung als auch eine Anti-Schlupf-Regelung ermöglicht wird.The measures of the invention are an optimal introduction of force for the transmission of the strand conveyors with the further advantages that for the Drive roller through appropriate position and force control of the segment positioning cylinders both an anti-lock control and an anti-slip control is made possible.

Weitere Vorteile, Einzelheiten und Merkmale der Erfindung werden nachfolgend anhand von einem in schematischen Zeichnungsfiguren dargestellten Ausführungsbeispiel näher erläutert, das dem Stand der Technik gegenübergestellt wird.Further advantages, details and features of the invention are as follows based on an embodiment shown in schematic drawing figures explained in more detail, which is compared with the prior art.

Es zeigen:

Fig. 1
die Strangführung einer Stranggießanlage mit Segmenten nach dem Stand der Technik,
Fig. 2
einen Schnitt durch ein Segment nach dem Stand der Technik mit dargestelltem Antrieb,
Fig. 3
grafische Darstellung der aufzubringenden Kräfte auf ein Segment entsprechend Fig. 2,
Fig. 4
einen Schnitt durch ein Segment gemäß der Erfindung,
Fig. 5
einen Schnitt durch ein Segment gemäß Fig. 4, um 90° gedreht,
Fig. 6
einen Schnitt durch ein Segment gemäß der Erfindung mit dargestelltem Antrieb,
Fig. 7
grafische Darstellung der aufzubringenden Kräfte auf ein Segment entsprechend Fig. 6.
Show it:
Fig. 1
the strand guidance of a continuous caster with segments according to the state of the art,
Fig. 2
3 shows a section through a segment according to the prior art with the drive shown,
Fig. 3
graphic representation of the forces to be applied to a segment according to FIG. 2,
Fig. 4
2 shows a section through a segment according to the invention,
Fig. 5
3 shows a section through a segment according to FIG. 4, rotated through 90 °,
Fig. 6
2 shows a section through a segment according to the invention with the drive shown,
Fig. 7
graphic representation of the forces to be applied to a segment corresponding to FIG. 6.

In Figur 1 ist eine Strangführung (10) einer bekannten Stranggießanlage, bestehend aus insgesamt 12 Segmenten (14, 14') dargestellt, in der der aus der Kokille (11) austretende Gussstrang (12) mittels einander gegenüberliegender Rollen (13, 13') im Bogen aus der senkrechten Gießrichtung in die waagerechte Walzrichtung (15) geführt und gefördert wird.1 shows a strand guide (10) of a known one Continuous caster consisting of a total of 12 segments (14, 14 ') shown, in which the emerging from the mold (11) Cast strand (12) by means of opposing rollers (13, 13 ') in the curve from the vertical casting direction in the horizontal rolling direction (15) is guided and promoted.

Je Segment (14) und zwar jeweils in der Segmentmitte angeordnet, ist eine dieser Rollen (13) (Segment 3 und Segment 4) als Antriebsrolle (13') ausgebildet; in den weiteren Segmenten (14') sind jeweils zwei einander gegenüberliegende Rollen (13') als Antriebsrollen ausgebildet.For each segment (14) in the middle of the segment arranged, one of these roles (13) (segment 3 and segment 4) designed as a drive roller (13 '); in the rest Segments (14 ') are each two opposite one another Rollers (13 ') are designed as drive rollers.

In Figur 2 ist ein nach dem Stand der Technik ausgebildetes Segment (14) mit einer Antriebsrolle (13') in einem Schnitt parallel zur Förderrichtung (26) dargestellt. Das Segment (14) besteht aus einem Segmentoberrahmen (16), der mittels Hydraulikklemmzylinder (17) gegen den Segmentunterrahmen (18) gedrückt wird. Hierbei sorgen Distanzstücke (19), entsprechend dem Strangformat, für einen gleichbleibenden Abstand der Rahmenteile (16, 18) voneinander.FIG. 2 shows a state-of-the-art device Segment (14) with a drive roller (13 ') in one cut shown parallel to the conveying direction (26). The segment (14) consists of a segment upper frame (16), which means Hydraulic clamping cylinder (17) against the segment subframe (18) is pressed. Spacers (19) ensure this accordingly the strand format, for a constant distance of Frame parts (16, 18) from each other.

Die in der Mitte des Segmentes (14) oben angeordnete Antriebsrolle (13') wird zur übertragung der erforderlichen Strangförderkräfte auf den Gussstrang (12) mit zwei hintereinander liegenden Anstellzylindern (20) gegen den Gussstrang (12) gedrückt, damit das vom Motor (21) über Getriebe (22) und Antriebswelle (23) auf die Antriebsrolle (13') abgegebene Drehmoment optimal auf den Gussstrang (12) zu dessen Förderung übertragen wird.The one arranged in the middle of the segment (14) at the top Drive roller (13 ') is used to transfer the required Extraction forces on the cast strand (12) with two successive positioning cylinders (20) against the Cast strand (12) pressed so that the engine (21) over Gear (22) and drive shaft (23) on the drive roller (13 ') optimally delivered torque to the cast strand (12) whose funding is transferred.

In Figur 3 sind die von den Hydraulikzylindern (17, 20, Fig. 2) aufzubringenden Kräfte aufgetragen. Es sind dies die zur Segmentverspannung erforderlichen Klemmkräfte (24) sowie die zur übertragung der Strangförderkräfte erforderliche Anstellkraft (25), die notwendig sind, damit die in die Segmentrahmenteile (16, 18, Fig. 2) gelagerten Rollen (13, 13') ihre Funktion als Stütz- und Förderorgane zum Transport des Gussstranges (12) in Förderrichtung (26) erfüllen können.In Figure 3, the hydraulic cylinders (17, 20, Fig. 2) applied forces applied. These are the ones for Segment clamping required clamping forces (24) and the required to transfer the strand conveyors Position force (25) that are necessary so that in the Segment frame parts (16, 18, Fig. 2) mounted rollers (13, 13 ') their function as support and conveying bodies for transport of the cast strand (12) in the conveying direction (26).

Die Figuren 4 und 5 zeigen ein Segment (30) gemäß der Erfindung in zwei Schnittpositionen, und zwar einmal parallel zur Förderrichtung (26, Fig. 4) und dann senkrecht zur Förderrichtung (26, Fig. 5).Figures 4 and 5 show a segment (30) according to the Invention in two cutting positions, once in parallel to the conveying direction (26, Fig. 4) and then perpendicular to Direction of conveyance (26, Fig. 5).

Anstelle der bei den bekannten Segmenten (14) zur Verspannung der Segmentrahmenteile (16, 18) verwendeten Hydraulikklemmzylinder, die gegen Distanzstücke (19) wirkend die beiden Segmentrahmenteile (16, 18) gegeneinander verspannen, sind gemäß der Erfindung positions- und kraftgeregelte Segmentanstellzylinder (31) am Segment (30) angeordnet, die so geregelt werden können, dass Distanzstücke nicht mehr erforderlich sind, um den erforderlichen Abstand der Rollen voneinander aufrecht zu erhalten.Instead of bracing in the known segments (14) of the segment frame parts (16, 18) used Hydraulic clamping cylinder, acting against spacers (19) the two segment frame parts (16, 18) against each other brace, are position and according to the invention force-controlled segment setting cylinder (31) on the segment (30) arranged that can be regulated so that spacers are no longer required to the required distance to maintain the roles of each other.

In Figur 6 ist ein gemäß der Erfindung ausgebildetes Segment (30) in einem Schnitt parallel zur Förderrichtung (26) mit einer Antriebsrolle (13') dargestellt. Die Antriebsrolle (13') ist am Segmentrand angeordnet, und zwar an der Segmenteinlaufseite, bezogen auf die Förderrichtung (26), da mit Hilfe der positions- und kraftgeregelten Segmentanstellzylinder (31) die erforderliche Anstellkraft für die Antriebsrolle (13') zum Segmentrand hin verlagert wurde, so dass eigene Anstellzylinder für die Antriebsrolle (13') wie bei dem bekannten Segment (14), nicht mehr erforderlich sind. In Figure 6 is a segment designed according to the invention (30) in a section parallel to the conveying direction (26) a drive roller (13 ') shown. The drive roller (13 ') is arranged on the edge of the segment, namely at the Segment inlet side, based on the conveying direction (26), because with the help of the position and force controlled Segment adjusting cylinder (31) the required adjusting force for the drive roller (13 ') has been moved towards the edge of the segment, so that own positioning cylinders for the drive roller (13 ') like in the known segment (14), are no longer required.

In Figur 7 sind wie bei Fig. 3 die von den Hydraulikzylindern aufzubringenden Kräfte, diesmal für die Hydraulikanstellzylinder (31) aufgetragen. Es sind dies die gleichgroßen Anstellkräfte (25) für die übertragung der Strangförderkräfte, die aber nicht mehr von zwei eigenen Anstellzylindern (20, Fig. 2), sondern von zwei Segmentanstellzylindern (31) aufgebracht werden. Die weiterhin von den Segmentanstellzylindern (31) aufzubringenden Anstellkräfte (27) für die Kompensierung

  • der ferrostatischen Last des Stranges,
  • der Softreduktion und
  • der Gewichtskraft
sind insgesamt kleiner als bei dem bekannten Segment (14), da hier keine Klemmkräfte mehr aufzubringen und nur die vom Gussstrang bzw. seiner Förderung geforderten Kräfte einzuleiten sind.In FIG. 7, as in FIG. 3, the forces to be applied by the hydraulic cylinders are plotted, this time for the hydraulic adjusting cylinders (31). These are the same-sized adjusting forces (25) for the transmission of the strand conveying forces, which are no longer applied by two separate adjusting cylinders (20, Fig. 2), but by two segment adjusting cylinders (31). The positioning forces (27) to be applied by the segment positioning cylinders (31) for the compensation
  • the ferrostatic load of the strand,
  • soft reduction and
  • the weight
are smaller overall than in the known segment (14), since there are no more clamping forces to be applied and only the forces required by the cast strand or its conveyance are to be introduced.

Die im Ausführungsbeispiel aufgezeigten Maßnahmen und Merkmale der Erfindung sind in gleicher Weise auch auf Segmente mit zwei Antriebsrollen anwendbar, wobei gemäß der Erfindung die Antriebsrollen auch an der Segmentauslaufseite angeordnet sein können.The measures and features shown in the exemplary embodiment the invention are in the same way with segments two drive rollers applicable, the according to the invention Drive rollers can also be arranged on the segment outlet side can.

Claims (7)

  1. Device for producing slabs in a continuous casting plant, with a strip guide (10) which is arranged downstream of the casting mould (11) and divided into segments (14, 14', 30), consisting in each instance of a segment frame (16, 18) which is divided in two and the frame parts of which are tightened together by means of hydraulic cylinders (17, 31), rollers (13, 13') for supporting and conveying the hardening cast strip (12) being mounted in the frame parts to be disposed opposite one another in pairs, wherein at least one of these rollers (13, 13')- the drive roller (13') - is urged by a defined adjusting force against the cast strip (12) for transmission of the strip conveying forces, characterised in that the frame parts (16, 18) of the segment (30) divided into two are connected together' at a spacing by four stepless position-regulated and force-regulated hydraulic segment adjusting cylinders (31) and are tightened relative to one another by a defined introduction of force and at least one drive roller (13') is pressed against the cast strip (12).
  2. Device according to claim 1, characterised in that at least one drive roller (13') is arranged at the segment edge at the inlet side referred to the conveying direction (26).
  3. Device according to claim 1, characterised in that at least one drive roller (13') is arranged at the segment edge at the outlet side referred to the conveying direction (26).
  4. Method of producing slabs in a continuous casting plant, with a strip guide (10) which is arranged downstream of the casting mould (11) and consists of segment frame parts (16, 18) divided into two and connected together and tightened relative to one another by hydraulic cylinders and in which the cast strip (12) is guided from the vertical casting direction to the horizontal rolling direction and in that case supported by rollers (13, 13'), which are disposed opposite one another in pairs, and conveyed by at least one drive roller (13') pressed against the cast strip (12) by a defined adjusting force, with use of a segment (30) according to one of the preceding claims 1 to 3, characterised in that the four segment adjusting cylinders (31) of the segment (30) are so position-regulated and force-regulated that in addition to tightening of the segment frame parts (16, 18) by the segment adjusting cylinders (31) the requisite defined adjusting force is applied for transmission of the conveying forces to at least one drive roller (13').
  5. Method according to claim 4, characterised in that the four segment adjusting cylinders (31) are so position-regulated and force-regulated that the requisite adjusting force for transmission of the conveying forces to at least one drive roller (13') is transmitted to the segment edge (entry part or exit part) of the segment (30).
  6. Method according to claim 4 or 5, characterised in that an anti-blocking regulation of the drive roller (13') is made possible by the stepless position regulation and force regulation of the segment adjusting cylinder (31).
  7. Method according to claim 4, 5 or 6, characterised in that an anti-slip regulation of the drive roller (13') is made possible by the stepless position regulation and force regulation of the segment adjusting cylinder (31).
EP98118603A 1997-10-11 1998-10-01 Process and installation for the production of slabs in a continuous casting machine Expired - Lifetime EP0908256B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19745056 1997-10-11
DE19745056A DE19745056A1 (en) 1997-10-11 1997-10-11 Process and plant for producing slabs in a continuous caster

Publications (2)

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EP0908256A1 EP0908256A1 (en) 1999-04-14
EP0908256B1 true EP0908256B1 (en) 2003-04-02

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Application Number Title Priority Date Filing Date
EP98118603A Expired - Lifetime EP0908256B1 (en) 1997-10-11 1998-10-01 Process and installation for the production of slabs in a continuous casting machine

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US (1) US6199621B1 (en)
EP (1) EP0908256B1 (en)
AT (1) ATE235978T1 (en)
DE (2) DE19745056A1 (en)
ES (1) ES2196451T3 (en)

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DE19809807C2 (en) * 1998-03-09 2003-03-27 Sms Demag Ag Setting process for a roller segment of a continuous caster
DE19916173A1 (en) 1999-04-10 2000-10-12 Sms Demag Ag Method and device for adjusting the slab profile of a continuously cast slab, in particular a thin slab
DE19928196A1 (en) * 1999-06-19 2000-12-21 Sms Demag Ag Device for setting guide segments of a continuous casting or casting-rolling system
US6470957B1 (en) * 1999-07-16 2002-10-29 Mannesmann Ag Process for casting a continuous metal strand
DE10007706A1 (en) 2000-02-19 2001-08-23 Sms Demag Ag Process and plant for casting primary products in a continuous caster
AT3953U3 (en) * 2000-06-02 2001-04-25 Voest Alpine Ind Anlagen STRING GUIDING ELEMENT AND STRING GUIDING SEGMENT WITH INTEGRATED STRING GUIDING ELEMENT
AT409465B (en) * 2000-12-12 2002-08-26 Voest Alpine Ind Anlagen METHOD FOR ADJUSTING A CASTING SPLIT ON A STRAND GUIDE OF A CONTINUOUS CASTING SYSTEM
DE102004048618A1 (en) * 2004-10-06 2006-04-13 Sms Demag Ag Method and roller segment for determining the core solidification and / or the sump tip in the continuous casting of metals, in particular of steel materials
DE102006048511A1 (en) * 2006-10-13 2008-04-17 Sms Demag Ag Strand guiding device and method for its operation
GB0916946D0 (en) * 2009-09-28 2009-11-11 Siemens Vai Metals Tech Ltd Compliant strand containment
JP5476959B2 (en) * 2009-12-08 2014-04-23 Ｊｆｅスチール株式会社 Continuous casting method under light pressure
AT509352B1 (en) * 2010-02-05 2014-06-15 Siemens Vai Metals Tech Gmbh ROAD GUIDE SEGMENT IN CASSETTE CONSTRUCTION WITH SINGLE ROLLING
BR112014016984B1 (en) 2012-01-12 2020-05-12 Nippon Steel & Sumikin Engineering Co., Ltd. CASTING REDUCTION DEVICE
CN109434056A (en) * 2018-12-05 2019-03-08 东北大学 A kind of double single-point weight soft reduction process of continuous casting billet solidifying end
CN109465415A (en) * 2018-12-07 2019-03-15 东北大学 Fan-shaped section roll array structure under a kind of double single-point weight in continuous casting and solidifying end

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DE1963146C3 (en) * 1969-12-17 1974-02-28 Demag Ag, 4100 Duisburg Segment frame for the support or transport rollers of a metal, in particular steel, continuous casting plant
DE4138740A1 (en) * 1991-11-26 1993-05-27 Schloemann Siemag Ag METHOD AND DEVICE FOR CONTINUOUSLY casting slabs or blocks
DE4306853C2 (en) * 1993-02-26 1996-03-21 Mannesmann Ag Strand guide frame
DE19511113A1 (en) * 1995-03-25 1996-09-26 Schloemann Siemag Ag Strand guidance of a continuous caster for thin slabs
DE19627336C1 (en) * 1996-06-28 1997-09-18 Mannesmann Ag Guiding a cast strip in e.g. steel strip casting units
WO1998005449A1 (en) * 1996-08-05 1998-02-12 Ag Industries, Inc. Guide segment support system for continuous casting

Also Published As

Publication number Publication date
ES2196451T3 (en) 2003-12-16
ATE235978T1 (en) 2003-04-15
DE59807708D1 (en) 2003-05-08
DE19745056A1 (en) 1999-04-15
EP0908256A1 (en) 1999-04-14
US6199621B1 (en) 2001-03-13

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