Abstract: The secondary cooling and the strand support are matched to the cooling state of a continuously cast strand cross section. The secondary cooling and support are reduced in dependence upon the solidification profile of the cast strand along the distance traveled.

Abstract: The invention relates to a strip guide for a strip casting unit, comprising at least two segments, in particular roller segments (1-4), each with a strip input side (2.1) and a strip output side (3.1) and a pair of roller supports, each with a number of support rollers (5), running along a support region. The roller supports are adjustable by means of, in particular, hydraulic adjuster units (8). According to the invention, the strip guide can be more flexibly embodied and the assembly and disassembly times reduced, whereby a mechanical connection (9) is provided between neighbouring segments (1-4) and, on fitting a cylinder pair (8.1-8.4) to the strip input side (2.1) of a segment (1-4), the adjustment movement occurs both on said side (2.1), as well as simultaneously on the strip output side (3.1) of a previous segment connected thereto. On fitting a cylinder pair (8.1-8.4) to the strip output side (3.1) of a segment (1 4), the adjustment movement thereof affects said side (3.

Abstract: Crystallizer comprising two crystallizer rollers disposed substantially parallel to each other to define a meniscus of liquid steel arriving from a tundish. The crystallizer rollers are provided inside with cooling means and are able to rotate in opposite directions to convey the liquid steel downwards while it is solidifying in contact with the crystallizer rollers. The cooling means comprise a plurality of holes disposed in proximity with the peripheral surface of each crystallizer roller and inside which a cooling liquid is able to circulate. The cooling liquid flows through at least some of the holes in the opposite direction with respect to the remaining holes.

Abstract: Twin roll strip caster comprising parallel casting rolls one of which is mounted on moveable roll supports which allow it to move bodily toward and away from the other roll. A pair of roll biasing units comprising compression act on roll supports to bias the moving roll toward the other roll. Biasing units comprise compression springs acting on roll supports through thrust transmission structures and thrust reaction structures. The positions of thrust reaction structures are set by hydraulic cylinder units operable to vary the position of each reaction structure to replicate movements of the respective thrust transmission structure so as to maintain a constant compression of the biasing springs regardless of lateral movements of the roll supports.

Abstract: The invention relates to a method and the apparatus required for carrying out the method for the continuous production of billets or ingots of metals, in particular steels and Ni- and Co-base alloys using the method of electroslag remelting and electroslag continuous casting in downwardly open water-cooled ingot molds, in which the billet issuing downwardly from the ingot mold is pressed against at least one guide element arranged rigidly in respect of its position with respect to the ingot mold axis, by at least one clamping element arranged opposite the guide element, in such a way that the regions of the billet surface which are in contact with the guide or clamping elements change within short intervals of time, wherein at least one of the elements is driven to withdraw the billet while the others move with the billet and a contact with a current source can be made by way of at least one of the elements.

Abstract: The invention relates to a device for the continuous casting of metals, especially steel, for use in a solidified-bending method. Said device comprises, downstream of the continuous casting mold, a straight strand guide (1) and a bending device (3) that releases the cast strand path (2a) so that the cold strand (5) can be introduced. The object of the invention is to utilize the height of the device that has so far not been used for supporting the strand or to reduce the height of the entire installation. To this end, the bending device (3) comprises a folding segment (9) that is pivoted on the fixed side (1a) and that is provided with a row of rollers (10) that limit the bending path (3c) in the operational position. The bending device further comprises on the loose side (1b) a loose element (11) that can be swiveled into the operational position (3b) or that can be swiveled out from this position.

Abstract: A continuous casting installation for producing thin slabs includes a laterally adjustable mold in which an immersion nozzle protrudes. In the mold there is opposite a larger crowned cross section on the charging side a cross section on the strand outlet side which is small and identically crowned in the central region. The installation further has pairs of supporting and guiding rollers which follow the mold and have a caliber adapted to the emerging crowned strand. The broad-face parts have planar-surface central parts which are arranged parallel to one another along their widths and taper toward one another in the casting direction of the strand. The broad-face parts also have planar side surfaces arranged so that they taper conically toward each other in the direction of the narrow faces. The planar-surface central plate is connected to the planar-surface side surfaces by transitional parts.

Abstract: A method and a device for adjusting one or more roll segments (1) in a continuous casting installation for metals, especially for steel materials, the rolls (1a) of which adjusted in the segment upper frame (2) and the segment lower frame (3) on frame cross members (5) by pairs (4) of hydraulic piston-cylinder units in a position-and/or pressure-controlled manner, wherein an operation for guiding and/or pressing the casting strands (6) is switched from a position-controlled to a pressure-controlled operation when pressure within the respective pair (4) of piston-cylinder units reaches a predetermined maximum value, whereby an improved reaction is effected by operating the piston-cylinder unit of every roll segment (1) in the case of overload, in subsequent steps at a reduced pressure or in a pressureless switching mode until the switching mode is reached in which the segment upper frame (2) can be opened to some extent.

Abstract: A roll apparatus provided at a continuous caster for transferring a cast piece to a predetermined location includes: at least three divided rolls arranged to align concentrically and in an axial direction thereof to constitute a roll forming a cast piece transfer path. At lease one end portion of at least of the divided rolls is supported by a cylindrical roller bearing of a full roller type.

Abstract: The invention relates to a guide segment fitted with rollers on a continuous casting installation. In order to be able to accommodate as high mechanical loads as possible so as to accommodate the supporting force, at least some rollers are split up into three axially aligned roller bodies (4a, 5, 6). Only the outer roller bodies (4, 6) are axially fixed by means of their outer bearings designed as fixed bearings, whereas the middle roller body (5) is mounted in a floating manner. All the inner bearings (4b, 6a) of the outer roller bodies (4, 6) designed as movable bearings and the two bearings (8b, 9a) of the middle roller body are designed as movable bearings with high loading capacity, in particular as CARB bearings. The free axial mobility of the middle roller body (5) mounted in a floating manner is limited by stops (11, 12a, 12b, 13) designed as butting discs arranged between the end faces of the middle roller body (5) and the outer roller bodies (4, 6) lying opposite one another.

Abstract: The invention relates to a strip guide for a strip casting unit, comprising at least two segments, in particular roller segments (1-4), each with a strip input side (2.1) and a strip output side (3.1) and a pair of roller supports, each with a number of support rollers (5), running along a support region. The roller supports are adjustable by means of, in particular, hydraulic adjuster units (8). According to the invention, the strip guide can be more flexibly embodied and the assembly and disassembly times reduced, whereby a mechanical connection (9) is provided between neighbouring segments (1-4) and, on fitting a cylinder pair (8.1-8.4) to the strip input side (2.1) of a segment (1-4), the adjustment movement occurs both on said side (2.1), as well as simultaneously on the strip output side (3.1) of a previous segment connected thereto. On fitting a cylinder pair (8.1-8.4) to the strip output side (3.1) of a segment (1 4), the adjustment movement thereof affects said side (3.

Abstract: In a method for changing the section of a billet of a continuous casting plant during continuous casting, wherein opposed sides of the billet are in contact with oppositely positioned roll supports arranged below a continuous casting die, wherein the roll supports are comprised of segments having rolls, wherein adjoining ones of the segments of each roll support are connected to one another by a jointed connection and wherein each segment is configured to be adjustable independent of the other segments with respect to an angular position relative to the billet, and wherein in an initial position the segments of the roll supports are adjusted to a uniform billet section, a thickness reduction can be achieved by advancing sequentially in a direction of continuous casting the segments toward the billet by moving the jointed connections toward the billet in a controlled sequence of adjusting steps or a thickness increase can be achieved by moving sequentially in a direction of continuous casting the segments away

Abstract: The invention relates to a device for the continuous casting of metals, especially steel, for use in a solidified-bending method. Said device comprises, downstream of the continuous casting mold, a straight strand guide (1) and a bending device (3) that releases the cast strand path (2a) so that the cold strand (5) can be introduced. The object of the invention is to utilize the height of the device that has so far not been used for supporting the strand or to reduce the height of the entire installation. To this end, the bending device (3) comprises a folding segment (9) that is pivoted on the fixed side (1a) and that is provided with a row of rollers (10) that limit the bending path (3c) in the operational position. The bending device further comprises on the loose side (1b) a loose element (11) that can be swiveled into the operational position (3b) or that can be swiveled out from this position.

Abstract: The invention relates to a casting roller for the casting of metal strip in the casting gap between two parallel casting rollers with variable separation and which may be cooled. A shaft (1) with a shell (2), surrounding the above at a separation therefrom and an external cover (3), the circumferential surface of which may be adjusted with regard to the crowning thereof during the casting operation, for altering the shape of the external cover, are disclosed. Annular pressure chambers (3c) are thus formed on the inner side of the shell (2) for hydraulically pumping the above up, which are formed between the shells and applied strips (13). The casting roller further comprises means for connecting the annular pressure chambers (3c) to an external hydraulic pressure generating system.

Abstract: The invention relates to a method for producing thin slabs whereby the cross-section thereof is reduced during solidification in a continuous casting device wherein the stand guide adjacent to the mould comprises wedge-shaped adjustable roller-strand sections for regulating the thickness of the strand or the thin slabs. According to the invention, the thickness of the strand is reduced only on one point of the strand guide below the first segment downstream from the mould in an area of the strand containing a liquid core by regulating the strand guide rollers with a soft transition. The segment following the segment situated directly after the mould comprises a pivoting point on the input side and an adjusting means arranged on the output side.

Abstract: A device for continuously casting metals, especially steel, consists of multiple consecutive segments (1) which each form the strand guide for casting strands of different widths (4), with roller pairs (2). The rollers are rotationally mounted on segment frames (5; 6), these segment frames (5; 6) each being braced with strand guide frames (10) on both sides. The aim of the invention is to reduce profile increases in the cross-section of the casting strand (4d) in the residual solidification area (4b), by providing a power mechanism (13) at least on the fixed side of the segment frame (5) of a segment (1), between the segment frame (5) and a transversal member (11) connecting the strand guide frames (10) on the two sides. Said power mechanism is situated approximately on the middle strand axis. The power transmission element (13a) of the power mechanism acts upon the segment frame (5), while its base (13b) is supported on the transversal member (11).

Abstract: A method and device for continuous casting and subsequent deformation of a cast strand (1) of steel, especially a cast strand (1) of an ingot shape (2) or a preliminary section shape, in which the secondary cooling (4) and the strand support (11) are matched to the cooling state of the cast strand cross section (1a) with respect to steel quality and in which the segregations and porosity are of significance with respect to further processing and the end uses of the product and require steps for improvement of the 10 internal quality and for the surface qualities, in which the secondary cooling (4) in its geometrical configuration is analogously matched to the solidification profile (5) of the cast strand (1) along the respective distance travelled (6) of the cast strand and in which the cast strand support (11) likewise is analogously reduced in dependence upon the solidification profile (5) of the cast strand (1) of the distance/travelled (6).

Abstract: A method and strand guide for supporting, guiding and cooling casting strands (1) made of steel, especially preliminary sections (2) for girders, which are cooled by injected water (29) and are drawn, serve to prevent cracks, especially surface cracks, from appearing in the microstructure by adapting the cooling conditions of the surface of the strand in the region of the secondary cooling, and serve to prevent undercooling of the strand shell, wherein in order to avoid an undesirable solidification structure on the upper flange edges or in other cross-sectional areas, the cooling and support of the beam blank format are so adapted to the solidification range that cooling and support are provided exclusively where a crater is formed.

Abstract: In a continuous-casting plant, the segments of the guide for the casting bar are replaced rapidly, at least in part, using a two-station system, at least one of which stations being mobile, so as to be able to align head on a platform provided with means for hooking and extracting the said guide with the structure containing the guide itself. Once this alignment is obtained, the guide is displaced from one station to the other, its segments are replaced, and the guide is brought back into the original position.

Abstract: A method and a device for adjusting one or more roll segments (1) in a continuous casting installation for metals, especially for steel materials, the rolls (1a) of which adjusted in the segment upper frame (2) and the segment lower frame (3) on frame cross members (5) by pairs (4) of hydraulic piston-cylinder units in a position-and/or pressure-controlled manner, wherein an operation for guiding and/or pressing the casting strands (6) is switched from a position-controlled to a pressure-controlled operation when pressure within the respective pair (4) of piston-cylinder units reaches a predetermined maximum value, whereby an improved reaction is effected by operating the piston-cylinder unit of every roll segment (1) in the case of overload, in subsequent steps at a reduced pressure or in a pressureless switching mode until the switching mode is reached in which the segment upper frame (2) can be opened to some extent.

Abstract: In a casting roll for a thin strip casting plant, comprising an essentially cylindrical core (1), a mantle (2) of copper or a copper alloy optionally being provided with at least one outside layer (5), an internal cooling system (4) as well as an adjusting means (8, 17, 20) for adjusting the outline of the casting roll in its front-end regions (7), the adjusting means for the purpose of levelling out thermally caused crowns with the aid of constructively simple means has in each front-end region of the casting roll a supporting disk (17) adjustable in the longitudinal direction of the casting roll and engaging a ring (8) radially surrounding the supporting disk (17) and abutting the mantle (2) from the inside in its front-end regions, which ring is fixedly attached with regard to the core (1) in the longitudinal direction of the casting roll (Fig.).

Abstract: In a method for casting prefabricated products in a continuous casting device, having a casting mold and a strand guide downstream of the casting mold, wherein the strand guide has rolls positioned opposite one another in pairs for supporting and guiding the solidifying cast strand, wherein some rolls are drive rolls and others are idle rolls, wherein drives are provided for the drive rolls, and wherein the drive rolls are adjustable against the cast strand in order to transmit guiding forces and strand conveying forces onto the cast strand in interaction with the idle rolls, the drive rolls and the drives are controlled to a preset rotational speed such that the drive rolls have circumferential speeds identical to one another within the limits of a preset casting speed. The motor torques of the drives are maintained at a level as equal as possible below a permissible torque limit value relative to a loadability of the strand shell.

Abstract: A rolling contact bearing arrangement for two axially adjacent rollers, e.g. for use in a continuous casting plant. The rollers are each mounted via two rolling contact bearings, wherein the two central adjacent rolling contact bearings are arranged within the hollows at the inner ends of the rollers. The rotating bearing outer ring bearing the roller and the stationary bearing inner ring being supported by a common axle journal for both bearings, which is held in a supporting block. This arrangement enables the distance between two axially adjacent rollers to be minimized and the cast material or slab may sag less at this point.

Abstract: The invention relates to a method and the apparatus required for carrying out the method for the continuous production of billets or ingots of metals, in particular steels and Ni- and Co-base alloys using the method of electroslag remelting or electroslag continuous casting in downwardly open water-cooled ingot molds (10), in which the billet (20) issuing downwardly from the ingot mold (10) is pressed against at least one guide element (24, 24,) arranged rigidly in respect of its position with respect to the ingot mold axis (A), by at least one clamping element (26) arranged opposite the guide element, in such a way that the regions of the billet surface which are in contact with the guide or clamping elements (24, 26) change within short intervals of time, wherein at least one of said elements is driven to withdraw the billet while the others move with the billet and a contact with a current source can be made by way of at least one of said elements.

Abstract: A method and an apparatus for adjusting the profile of a continuously cast slab, particularly of a thin slab, wherein the profile is determined in accordance with given requirements with respect to its camber or wedge shape by the gap geometry of strand guide rollers of the guide segments of a strand guiding system. The method includes determining the adjustment of the strand guide rollers at least in the area of the residual solidification and the adjusting forces of adjusting means required for this purpose in such a way that a predeterminable desired value for the slab profile can be adjusted for any characteristic state of operation.

Abstract: The invention relates to a guide segment fitted with rollers on a continuous casting installation. In order to be able to accommodate as high mechanical loads as possible so as to accommodate the supporting force, at least some rollers are split up into three axially aligned roller bodies (4a, 5, 6). Only the outer roller bodies (4, 6) are axially fixed by means of their outer bearings designed as fixed bearings, whereas the middle roller body (5) is mounted in a floating manner. All the inner bearings (4b, 6a) of the outer roller bodies (4, 6) designed as movable bearings and the two bearings (8b, 9a) of the middle roller body are designed as movable bearings with high loading capacity, in particular as CARB bearings. The free axial mobility of the middle roller body (5) mounted in a floating manner is limited by stops (11, 12a, 12b, 13) designed as butting discs arranged between the end faces of the middle roller body (5) and the outer roller bodies (4, 6) lying opposite one another.

Abstract: A device for hydraulic adjustment of rollers of strand guiding segments of a strand casting device has hydraulic cylinders which are separated by a piston with piston rod into a cylinder chamber and an annular cylinder chamber, respectively. The cylinder chambers can be connected by control members alternatingly and in opposite directions as well as simultaneously with a pressure source and a pressure sink, wherein on-off valves are provided as control members.

Abstract: A pinch roll assembly that may be used for feeding hot metal strip comprises a pair of parallel pinch rolls. At least one of the rolls comprises a copper or copper alloy tube providing the external peripheral roll surface and internal water cooling passages to cool the cylindrical tube by flowing water through the passages. The copper or copper alloy tube is fitted to a cylindrical arbor formed with end shafts for mounting the roll in journal bearings. Shaft is provided with a rotary drive coupling and shaft is fitted with a rotary water coupling for flow of cooling water to the water flow passages.

Abstract: The roll body (110) of the invention for a continuous casting machine is able to carry a cylindrical shell (111) in its central part and includes a cooling circuit (200), the circuit having at least one cooling liquid supply conduit (30), at least one cooling liquid evacuation conduit (40), at least one distribution collector (70), at least one evacuation collector (80), at least one distribution pipe (50, 60) connecting each collector to the corresponding conduit, and a plurality of ring channels (90) connecting the supply and evacuation collectors, the collectors and ring channels being used to place the cooling liquid circulating in the circuit in contact with the inner surface of the shell (111) such as to cool the shell, and is characterized in that the collectors (70, 80) are arranged such as to produce both in the peripheral direction and in the longitudinal direction an alternation of distribution collectors (70) and evacuation collectors (80).

Abstract: A guide element of a continuous casting plant, particularly a continuous casting plant for thin slabs, for guiding a metal strip in a strand guiding direction includes a pair of guide rollers which are located opposite each other relative to the metal strip and form a roller gap. The pair of guide rollers is provided with an adjusting device for adjusting a crown of the roller gap.

Abstract: A method for detecting a misaligned roller portion of a roller in a continuous casting machine, in which the machine includes rollers arranged in a row after each other, with the rollers being divided into at least two roller portions each rotatably mounted in supporting members and arranged for transporting produced material. The method involves measuring the radial load exerted by the material on each supporting member of the roller portions of a roller, comparing the radial loads of the supporting members at the outer ends of the roller with each other, comparing the radial loads of the supporting members at the inner ends of the roller with each other, and determining a misaligned roller portion where the divergence between the radial loads of the supporting members of the outer ends of the roller and/or the supporting members of the inner ends of the roller exceed a predetermined value.

Abstract: In order, in a guide roller for continuous-casting plants, which is formed by a plurality of aligned roller portions, to avoid the creeping movements of the guide roller in the axial direction and thermally induced distortions in it, it is proposed that a roller portion adjacent on both sides of roller portions either be provided at its two ends with roller journals carrying support bearings, and these roller journals engage into recesses of the adjacent roller portions, or be provided at its two ends with recesses, and roller journals, having support bearings, of the adjacent roller portions engage into these recesses.

Abstract: Among the slab-supporting guide roll pairs disposed in the region in which a liquid core exists within the slab, at least four consecutive guide roll pairs are disposed under such conditions that the roll axis-to-axis distances on the fixed side and loose side of the guide roll pairs and the roll halfway-to-halfway distances on the fixed side and loose side are all different from one another. Casting is carried out while disposing the guide roll pairs under sucb conditions.

Abstract: A device for resetting opposite guide segments of a continuous casting or continuous casting and rolling plant in three different positions, and including a hydraulic cylinder connectable with one of the opposite guide segments, and a double-acting piston connectable with another of the opposite guide segments and displaceable in the hydraulic cylinder between three positions corresponding to the three different positions of the guide segments, with the three positions of the piston in they hydraulic cylinder being defined by stop surfaces at least one of which is located inside the hydraulic cylinder and at least one of which is located outside of the hydraulic cylinder.

Abstract: A method for detecting a roller failure at a roller in a continuous casting machine having a plurality of rollers arranged in a row and rotatably supported in bearings for transporting material produced in the machine involves determining a radial target load value exerted by the material on a roller, measuring the actual load value on at least each second roller in the row of rollers, comparing the measured actual load value with the determined target load value, detecting a possible divergence between the actual load value and the target load value, and establishing the presence of a roller failure upon detection of such divergence.

Abstract: In a method for casting prefabricated products in a continuous casting device, having a casting mold and a strand guide downstream of the casting mold, wherein the strand guide has rolls positioned opposite one another in pairs for supporting and guiding the solidifying cast strand, wherein some rolls are drive rolls and others are idle rolls, wherein drives are provided for the drive rolls, and wherein the drive rolls are adjustable against the cast strand in order to transmit guiding forces and strand conveying forces onto the cast strand in interaction with the idle rolls, the drive rolls and the drives are controlled to a preset rotational speed such that the drive rolls have circumferential speeds identical to one another within the limits of a preset casting speed. The motor torques of the drives are maintained at a level as equal as possible below a permissible torque limit value relative to a loadability of the strand shell.

Abstract: A pinch roll assembly that may be used for feeding hot metal strip comprises a pair of parallel pinch rolls. At least one of the rolls comprises a copper or copper alloy tube providing the external peripheral roll surface and internal water cooling passages to cool the cylindrical tube by flowing water through the passages. The copper or copper alloy tube is fitted to a cylindrical arbor formed with end shafts for mounting the roll in journal bearings. Shaft is provided with a rotary drive coupling and shaft is fitted with a rotary water coupling for flow of cooling water to the water flow passages.

Abstract: A guide element of a continuous casting plant, particularly a continuous casting plant for thin slabs, for guiding a metal strip in a strand guiding direction includes a pair of guide rollers which are located opposite each other relative to the metal strip and form a roller gap. The pair of guide rollers is provided with an adjusting device for adjusting a crown of the roller gap.

Abstract: An improved sliding chain-type ingot mold for a continuous casting plant, including two pairs of chains arranged in a closed ring system and configured to rotate in opposite directions, each pair including at least one of molding elements and shell-type elements which forms a closed mold, the two pairs of chains being arranged to wind up on respective sprockets, one pair having a first set of the at least one of molding elements and shell-type elements configured to interlock with a second set of the at least one of molding elements and shell-type elements on the other pair to form a cavity for receiving a molten material, external pressurizing rollers configured to act on the first and second sets of the plurality of at least one of molding elements and shell-type elements to detach and approach with each other, and fixed contrasting elements fixedly positioned to counteract the pressurizing rollers.

Abstract: A strand guiding segment for slab casting plants with a guiding width for the cast strand is adjustable between guide rollers of a frame on a fixed side and a frame on a detachable side, wherein the frames interact with adjusting units for overcoming the ferrostatic pressure and for adjusting the desired sectional width of the strand. The adjusting units are four independently adjustable pressure cylinders arranged outside of the radiation range at the upper side of the segment, wherein the distance between the segment middle and cylinder which determines the segment width is reduced on both sides by the dimension of the cylinder which has been moved to the upper side of the segment. The segment crossbeams are provided with radiation protection plates instead of water cooling means and cooled side frames are laterally flanged to the bottom frames.

Abstract: The invention relates to a method for guiding strands in a continuous casting installation, in particular an installation for producing thin slabs made of steel, having an ingot mold and a strand-guidance frame which is provided with a cooling device. In this case, heat is extracted indirectly from the strand after it leaves the ingot mold, and the strand, at least in sections, is held in shape, guided in the strand discharge direction and additionally cooled by means of a gaseous medium. Furthermore, the strand is additionally moved in a defined manner and at a predeterminable speed through the strand frame by mechanical means, the speed of the strand being accelerated or decelerated.

Abstract: A continuous casting plant suitable for casting steel slabs, wherein the partially solidified strand composed of a strand shell and a partially liquid core is guided after emerging from the mold during the further solidification between the rollers of a strand guiding unit which has a loose or movable side and a fixed side, and wherein the strand shell forms in the areas between always two rollers spaced apart from each other in the casting direction a deformation in the form of a bulge with an increase of the cross-section. For compensating for an increase of the cross-section of a respective strand portion, a counter-pressure is applied from the outside against the strand area located opposite the strand portion with the increased cross-section in order to reduce the cross-section.

Abstract: An arbourless casting roll for casting steel strip includes a cylindrical tube (20) of copper of copper alloy having a wall thickness in the range of 30 mm-200 mm and a series of holes defining longitudinal water flow passages (26). A pair of steel stub shafts (21, 22) disposed one at each end of tube (20) have end formations (27, 28) which fit snugly into the ends of tube (20) and have circumferential flanges (29, 30) abutting the ends of the tube. Fasteners (71) extend through flanges (29, 30) into at least some of the holes (26) to fix the stub shafts to the tube (20) such that the tube is unsupported between the stub shafts (21, 22). Water flow ducts (35, 36( in the stub shaft end formations (27, 28) allow flow of water to and from the flow passages (26).

Abstract: The invention is directed to a process for guiding a strand, especially a steel strand in a continuous casting plant with a soft reduction zone in which hydraulic servo units continuously adjust the gap width between oppositely located strand guide rollers. In a strand guiding segment with 4 servo piston-cylinder units, two adjacent servo piston-cylinder units are adjusted relative to the strand so as to be linked with one another hydraulically. The rest of the servo piston-cylinder units are adjusted independently. The invention is further directed to a strand guide.

Abstract: In a strand guide for a continuous casting plant comprising a plurality of strand supporting elements for supporting the strand, in particular support segments carrying supporting rollers, several support segments being fastened adjacent each other on a supporting framework designed in one piece in its longitudinal extension, each support segment is fastened to the supporting framework by a fixed bearing and a movable bearing spaced apart therefrom in the longitudinal extension of the strand guide, each support segment, by at least one bearing, is pivotally mounted to the supporting framework so as to be pivotable about an axis, the axis being oriented transversely with respect to the longitudinal extension of the strand guide and horizontally, as well as in a vertical plain passing through the longitudinal extension of the supporting framework and by at least one bearing is mounted so as to be adjustable with respect to the supporting framework in a direction toward the pivoting movement of the support segme

Abstract: A method and an installation for producing slabs in a continuous casting plant which includes a strand guiding unit arranged following the casting mold and divided into segments. Each segment is composed of a two-part segment frame whose frame parts are braced together by hydraulic cylinders. Rollers for supporting and conveying the solidifying cast strand are mounted in pairs opposite each other, wherein at least one of these rollers, i.e., the drive roller, is pressed with a defined adjusting force against the cast strand for transmitting the strand conveying forces.

Abstract: In a sliding chain-type ingot mold (12, 13), each mold is constituted by molding elements (14, 15; 114, 115; 214, 215) representing two half-molds which can be made to face each other so as to form a closed mold shaping a cavity to hold the molten metal. According to the invention, some engaging elements (34, 134, 234) are provided, capable of interacting with cam-shaped surfaces (33, 133, 233) provided on one side on at least one (14, 114, 214) of said molding elements, and on the other side on a fixed frame (35) designed to detach and approach said molding elements.

Abstract: An adjustment device for adjusting the position of at least one strand supporting element (5) relative to a supporting stand (9, 10) carrying at least one further strand supporting element (6), of a strand guide in a continuous casting plant comprises at least one hydraulic adjustment cylinder (12) contacting a strand supporting element (5) directly or indirectly on the one side and the supporting stand (9, 10) carrying a further strand supporting element (6) on the other side, the movement of the strand supporting element (5) being detectable via a position sensor (17) and controllable by means of an automatic controller (26). In order to safely attain the high precision in positioning the strand supporting elements (5, 6) sought for a strand guide at yet a minimum expenditure and a minimum susceptibility to failure, at least one directional control valve (21A, 21B) capable of being switched via a three-level controller (26) is provided for actuating the hydraulic adjustment cylinder (12) FIG. 2.

Abstract: In a process for continuously casting a metal strand by casting metal into a straight, vertically oriented mold and subsequently drawing off the strand formed in the mold, the straight strand at first is bent into a circular arc shape in a bending zone along a transition curve, is guided along a circular arc guide and finally is straightened in a final straightening zone along a transition curve and, after this, is extracted via an approximately horizontal straight guide.

Abstract: The machine includes a mold to be inserted in a frame-type mold table, a strand guide connected downstream of the mold and a mold oscillator supporting and moving the mold table. In order to minimize restranding times during section change through the formation of a section-related machine head, a first strand guide segment is detachably integrated in a strand guide segment connected downstream and a mold stirrer is supported on the second strand guide segment.