EP0406624B1 - Reversible two-high section roll stand - Google Patents
Reversible two-high section roll stand Download PDFInfo
- Publication number
- EP0406624B1 EP0406624B1 EP90111730A EP90111730A EP0406624B1 EP 0406624 B1 EP0406624 B1 EP 0406624B1 EP 90111730 A EP90111730 A EP 90111730A EP 90111730 A EP90111730 A EP 90111730A EP 0406624 B1 EP0406624 B1 EP 0406624B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roll
- rolls
- roll stand
- bearing
- housings
- 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
- 230000002441 reversible effect Effects 0.000 title claims abstract description 6
- 239000000969 carrier Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000004429 Calibre Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 20
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
- B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
- B21B1/10—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel in a single two-high or universal rolling mill stand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/12—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by vertically displacing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
- B21B2203/06—Cassettes
Definitions
- the invention relates to a reversible roll stand with pairs of multi-caliber rolls, the bearing chocks in which windows of the stands of the roll stand are formed by spars, and in which the rolls with their bearing chocks can be inserted into a support frame which is between the spars from above can be introduced and removed, and in which the carriers of rolling stock guides can be used.
- the support frame which accommodates all the rollers with their chocks and the supports of the rolling stock guides arranged on the support frame, takes up as little space as possible within the distance between the two pairs of rollers, so that the distance between the roller pairs can be used as completely as possible for the dimensioning of the bale lengths of the rollers. Any increase in this distance between the spar pairs that is constructively necessary, not because of the length of the bale, but because of the space required by the supporting frame, leads to considerable, in this respect uneconomical, increase in the dimensions of the rolling stand itself.
- This design of the bearing chocks and the support stand not only requires a considerable amount of work, but also entails a comparatively large dimensioning of the bearing chocks and thus again of the entire rolling stand, because the bearing chocks are visibly weakened by the through-holes and the groove tracks.
- the invention has for its object to reduce this considerable technical effort; In particular, to avoid the cylindrical guide rods, the through holes for these guide rods and the groove tracks in the bearing chocks and instead to create the possibility to use normal bearing chocks.
- the support frame consists of a pair of U-shaped plates which are connected to one another in parallel by spacers, in the recesses of which, in the installation position open upwards, the rollers are held with the bearing chocks projecting outwards on both sides
- the Web area of the U-recesses forms a support surface for the underside of the bearing chocks of the lower roller and the U-recesses of each plate in their opening area have mutually opposite, projecting into the opening lugs, which can be grasped in the expanded position of the carrier lugs arranged on the bearing chocks and which Stands at the top, articulated on their spars, which can be pushed out or swung out for the expansion of the rollers and which have connecting caps bearing the adjusting elements for the bearing chocks.
- both plates of the pair of plates can have mutually opposite slot recesses for the displaceable insertion of the carriers of the rolling-stock guide guides.
- the roll stand 1 is formed from the stands 2 and 3 with the spars 2a, 3a and the connecting caps 4 and 5.
- the connecting caps 4 and 5 are rigidly connected to one another by a crossbar 6.
- the adjusting spindles 7 are guided in the spindle nuts 8; they are driven together via adjusting gear 8a arranged on the connecting caps 5 and which are coupled to one another via a connecting shaft 9.
- the upper and lower rollers of the duo roller set here have six caliber channels, which together (see FIG. 1) form the roller calibers indicated there.
- the bearing pieces 14 of the upper roller 10 and the bearing pieces 15 of the lower roller 11 are (FIG. 2) in the windows formed by the spars 2a, 3a 2c or 3c performed.
- the bearing pieces 14 hang with hook extensions 14a on a lifting traverse 16, which has a crane eye 16a.
- the lifting crossbar 16 in turn hangs on lifting cylinders 37 which are connected to the crossbar 6 and is acted upon by the adjusting spindle 7.
- the lower roller 11 is also guided with its bearing pieces 15 in the windows 2c and 3c of the stands 2 and 3.
- both parallel-surface plates 17 and 18, in the installed state have opposing slot recesses 21, in which the rolling beams 22, 23 and 24, 25 arranged upstream of the entry and exit sides of the roll nips and the respective rolls can be moved and fixed.
- six rolling guide guides 26, 27, 28 and 29, respectively are arranged to be adjustable and fixed.
- outwardly directed cantilever projections 30 are attached in the web area of the U-recesses 20 of the parallel-surface plates 17, 18. These cantilever projections 30 can be placed with their downward-facing surfaces on the lower boundary of the windows 2c, 3c of the roller stands 2, 3 (cf. FIG. 2).
- the one from the upper roller 10, the lower roller 11, the bearing pieces 14 and 15, the roller beams 22, 23, 24, 25 and the ones mounted and adjusted on them 3, 4 and 5, is held and carried by the parallel-surface plate pair 17, 18 in connection with the lifting cross member 16 and the rolling stock line guide sets 26, 27, 28, 29. It can be lifted up out of the rolling stand 1 from the rolling position shown in FIGS.
- the upper bearing piece 14 which for this purpose has lateral cantilever projections 33, is held by projections 17a or 18a which project into the opening opposite one another in the opening region of the U-recess 20 after it has been removed from bearing piece 15 was moved away.
- the cantilever lugs 33 in the place of which, for example, the upper corner edges of the bearing pieces can also occur, underlie the lugs 17a and 18a.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Paper (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
Description
Die Erfindung bezieht sich auf ein reversierbares Walzgerüst mit Paaren von Mehrkaliberwalzen, deren Lagereinbaustücke in, von Holmen gebildeten Fenstern der Ständer des Walzgerüstes anstell-geführt sind, und bei denen die Walzen mit ihren Lagereinbaustücken in ein Traggestell einlegbar sind, das von oben zwischen die Holme ein- und ausbringbar ist, und in das die Träger von Walzgutleitführungen einsetzbar sind.The invention relates to a reversible roll stand with pairs of multi-caliber rolls, the bearing chocks in which windows of the stands of the roll stand are formed by spars, and in which the rolls with their bearing chocks can be inserted into a support frame which is between the spars from above can be introduced and removed, and in which the carriers of rolling stock guides can be used.
Das wesentlichste Problem das bei der Gestaltung solcher Walzgerüste zu beachten ist, besteht darin, daß das Traggestell, das sämtliche Walzen mit ihren Einbaustücken und die am Traggestell angeordneten Träger der Walzgutleitführungen aufnimmt, innerhalb des Abstandes der beiden Rollenpaare möglichst wenig Raum einnimmt, damit der Abstand zwischen den Rollenpaaren möglichst vollständig für die Bemessung der Ballenlängen der Walzen ausgenutzt werden kann. Jede, nicht durch die Ballenlänge, sondern durch den Raumbedarf des Traggestells konstruktiv notwendige Vergrößerung dieses Abstandes der Holmpaare führt nämlich zu erheblichen, insoweit unwirtschaftlichen Vergrößerungen der Abmaße des Walzgerüstes selbst.The most important problem to be considered in the design of such rolling stands is that the support frame, which accommodates all the rollers with their chocks and the supports of the rolling stock guides arranged on the support frame, takes up as little space as possible within the distance between the two pairs of rollers, so that the distance between the roller pairs can be used as completely as possible for the dimensioning of the bale lengths of the rollers. Any increase in this distance between the spar pairs that is constructively necessary, not because of the length of the bale, but because of the space required by the supporting frame, leads to considerable, in this respect uneconomical, increase in the dimensions of the rolling stand itself.
Bei einem bekannten Walzgerüst dieser Gattung (EP-A-40 584) werden die Lagereinbaustücke der Walzen von zylindrischen Führungsstangen durchdrungen. Mit Hilfe dieser Führungsstangen können die Walzen gegeneinander angestellt und auch, für das Ein- und Ausbringen zwischen Führungs-Holmpaaren eines Tragständers gegeneinander verspannt werden. Die Lagereinbaustücke der in den Tragständer von oben her eingeführten Walzen werden dabei von den Holmpaaren dieses Tragständers geführt, und es ist ein Traggerüst vorhanden, gebildet durch die zylindrischen Führungsstangen, und eine, mit deren unteren Enden verbundene Fußplatte. Mit dieser Fußplatte sind auch die Träger der Walzgutleitführungen verbunden. Für die so mit dem Traggerüst geschaffene Auswechseleinheit ist ein erheblicher Bauaufwand notwendig, denn die Lagereinbaustücke sind nicht klassische, einfache Blockkörper, sondern Körper, in die jeweils zwei vertikale Durchtrittsbohrungen für die zylindrischen Führungsstangen und weiter in einigen ihrer Führungsflächen Nutbahnen, beide mit sehr genauen Passungen eingebracht werden müssen. Eine der Führungsstangen muß darüberhinaus ebenso, wie die zugehörige Durchtrittsbohrung mit Anstellgewinden versehen werden. Entsprechend muß mindestens einer der Holme des Tragständers den Nutbahnen angepaßte Führungsleisten aufweisen, damit die Lagereinbaustücke der Walzenpaare axial verschiebegesichert sind. Diese Ausbildung der Lagereinbaustücke und des Tragständers erfordert nicht nur einen erheblichen Arbeitsaufwand, sondern zieht eine vergleichsweise ebenfalls erhebliche große Bemessung der Lagereinbaustücke und damit wieder des gesamten Walzgerüstes nach sich, weil die Lagereinbaustücke durch die Durchtrittsbohrungen und die Nutbahnen erkennbar querschnittsgeschwächt sind.In a known roll stand of this type (EP-A-40 584), the bearing chocks of the rolls are penetrated by cylindrical guide rods. With the help of these guide rods, the rollers can be set against one another and can also be braced against one another for the insertion and removal between pairs of guide rails of a support stand. The bearing chocks of the rollers inserted into the support stand from above are guided by the pairs of spars of this support stand, and there is a support frame formed by the cylindrical guide rods and a footplate connected to the lower ends thereof. The beams of the rolling stock guides are also connected to this base plate. A considerable amount of construction work is required for the replacement unit created with the support frame, because the bearing chocks are not classic, simple block bodies, but bodies, into which two vertical through-bores for the cylindrical guide rods and further in some of their guide surfaces have groove tracks, both with very precise fits must be introduced. One of the guide rods must also be provided with adjusting threads, just like the associated through-hole. Accordingly, at least one of the spars of the support stand must have guide rails adapted to the groove tracks, so that the bearing chocks of the roller pairs are secured against axial displacement. This design of the bearing chocks and the support stand not only requires a considerable amount of work, but also entails a comparatively large dimensioning of the bearing chocks and thus again of the entire rolling stand, because the bearing chocks are visibly weakened by the through-holes and the groove tracks.
Der Erfindung liegt die Aufgabe zugrunde, diesen erheblichen technischen Aufwand zu verringern; insb., die zylindrischen Führungsstangen, die Durchtrittsbohrungen für diese Führungsstangen und die Nutbahnen in den Lagereinbaustücken zu vermeiden und stattdessen die Möglichkeit zu schaffen, normale Lagereinbaustücke zu verwenden.The invention has for its object to reduce this considerable technical effort; In particular, to avoid the cylindrical guide rods, the through holes for these guide rods and the groove tracks in the bearing chocks and instead to create the possibility to use normal bearing chocks.
Diese Aufgabe wird dadurch gelöst, daß das Traggestell aus einem Paar, durch Abstandsglieder parallelflächig miteinander verbundenen, U-förmigen Platten besteht, in deren, in der Einbauposition nach ' oben offene Ausnehmungen die Walzen mit den beidseitig nach außen kragenden Lagereinbaustücken gehalten werden, wobei der Stegbereich der U-Ausnehmungen eine Auflagefläche für die Unterseite der Lagereinbaustücke der unteren Walze bildet und die U-Ausnehmungen jeder Platte in ihrem Öffnungsbereich einander gegenüberliegende, in die Öffnung ragende Ansätze aufweisen, die in Ausbauposition von, an den Lagereinbaustücken angeordneten Mitnehmeransätzen unterfaßbar sind und die Ständer oben, an ihren Holmen angelenkte, für den Ausbau der Walzen nach oben ausschieb- bzw. ausschwenkbare, die Anstellelemente für die Lagereinbaustücke tragende Verbindungskappen aufweisen. Dabei können, wie die Erfindung weiter vorsieht im Stegbereich der U-Ausnehmung jeder Platte an diese angesetzte, nach außen gerichtete, in Einbaustellung der Lagereinbaustücke der unteren Walze diese unterfassende Kragansätze vorgesehen werden, deren nach unten weisende Flachen auf die untere Begrenzung der Fenster der Walzenständer auflegbar sind. Weiter können erfindungsgemäß beide Platten des Plattenpaares einander gegenüberliegende Schlitzausnehmungen zum verschiebbaren Einsetzen der Träger der Walzgutleitführungen aufweisen.This object is achieved in that the support frame consists of a pair of U-shaped plates which are connected to one another in parallel by spacers, in the recesses of which, in the installation position open upwards, the rollers are held with the bearing chocks projecting outwards on both sides, the Web area of the U-recesses forms a support surface for the underside of the bearing chocks of the lower roller and the U-recesses of each plate in their opening area have mutually opposite, projecting into the opening lugs, which can be grasped in the expanded position of the carrier lugs arranged on the bearing chocks and which Stands at the top, articulated on their spars, which can be pushed out or swung out for the expansion of the rollers and which have connecting caps bearing the adjusting elements for the bearing chocks. It can, as the invention further provides in the web area of the U-recess of each plate attached to this, outward, in the installed position of the bearing chocks of the lower roller, these cantilevered projections can be provided, their downward facing surfaces on the lower limit of the window of the roller stand are hangable. Furthermore, according to the invention, both plates of the pair of plates can have mutually opposite slot recesses for the displaceable insertion of the carriers of the rolling-stock guide guides.
Während bei der bekannten Ausbildung des Walzgerüstes praktisch nur komplette Walzgerüste in den Tragständer ein- bzw. aus diesem ausgebaut und gegeneinander ausgetauscht werden können, erlaubt die erfindungsgemäße Ausbildung die Walzensätze mit ihren Lagereinbaustücken und den Trägern der Walzgutleitführungen allein ein- bzw. auszubauen. Das erfindungsgemäß aus einfachen Bauelementen zusammengesetzte Traggestell läßt sich dabei in herkömmliche Walzgerüste der gattungsgemäßen Bauart einbringen, die insoweit keiner konstruktiven Anpassung bedürfen, wie dies bei Traggestellen nach der bekannten Bauart notwendig ist.While in the known design of the roll stand practically only complete roll stands can be built into or removed from the support stand and exchanged for one another, the design according to the invention allows the roll sets with their bearing chocks and the supports of the rolling stock guides to be installed or removed alone. The support frame composed according to the invention from simple components can be introduced into conventional roll stands of the generic type, which do not require any structural adjustment in this respect, as is necessary with support frames of the known type.
Die Erfindung wird anhand des in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. In der Zeichnung zeigen
Figur 1- das Walzgerüst in Walzrichtung gesehen,
Figur 2- einen Schnitt nach der Linie A-A durch Fig. 1,
Figur 3- eine Einzelheit aus Fig. 1 in der gleichen Ansicht,
Figur 4- einen Schnitt nach der Linie B-B durch Fig. 3 und
Figur 5- die Einzelheit nach Fig. 4 in einer anderen Arbeitsstellung in der gleichen Ansicht.
- Figure 1
- the roll stand seen in the rolling direction,
- Figure 2
- 2 shows a section along the line AA through FIG. 1,
- Figure 3
- 1 in the same view,
- Figure 4
- a section along the line BB through Fig. 3 and
- Figure 5
- the detail of Fig. 4 in another working position in the same view.
Das Walzgerüst 1 wird aus den Ständern 2 und 3 mit den Holmen 2a, 3a und den Verbindungskappen 4 und 5 gebildet. Die Verbindungskappen 4 und 5 sind durch eine Quertraverse 6 starr miteinander verbunden. In den Verbindungskappen 5 sind die Anstellspindeln 7 in Spindelmuttern 8 gewindegeführt; sie werden gemeinsam über auf den Verbindungskappen 5 angeordnete Anstellgetriebe 8a, die über eine Verbindungswelle 9 miteinander gekuppelt sind, angetrieben. Die obere und die untere Walze des Duo-Walzensatzes weisen hier sechs Kaliberrinnen auf, die zusammen (vgl. Fig. 1 ) die dort schaffiert angedeuteten Walzkaliber bilden. Die Lagerstücke 14 der oberen Walze 10 und die Lagerstücke 15 der unteren Walze 11 sind (Fig. 2) in den von den Holmen 2a, 3a gebildeten Fenstern 2c bzw. 3c geführt. Die Lagerstücke 14 hängen mit Hakenansätzen 14a an einer Hubtraverse 16, die eine Kranöse 16a aufweist. Die Hubtraverse 16 hängt ihrerseits an Hubzylindern 37, die mit der Quertraverse 6 verbunden sind und wird von der Anstellspindel 7 beaufschlagt. Die untere Walze 11 wird mit ihren Lagerstücken 15 ebenfalls in den Fenstern 2c bzw. 3c der Ständer 2 und 3 geführt.The
Wie weiter aus Fig. 1 und 2 in Verbindung mit Fig. 3 zu ersehen, ist zwischen die beiden Ständer 2 und 3 ein aus parallelflächigen Platten 17 und 18 und Abstandsstäben gebildetes Traggestell geschoben. Die parallelflächigen Platten 17 und 18 weisen eine U-Ausnehmung 20 auf, in deren Flanschbereichen die Lagerstücke 14 und 15 beider Walzen 10 und 11 einschiebbart geführt sind. Die Lagerstücke 15 der unteren Walze 11 liegen dabei mit ihrer Unterseite auf den nach oben gerichteten Flächen des Stegbereiches der U-Ausnehmung 20 auf. Ferner weisen beide parallelflächigen Platten 17 und 18, im Einbauzustand einander gegenüberliegende Schlitzausnehmungen 21 auf, in denen verschieb- und festlegbar die den Ein- und Ausgangsseiten der Walzspalte und den jeweiligen Walzen vorgeordneten Walzbalken 22, 23 bzw. 24, 25 geführt und festlegbar sind. Auf diesen einzelnen Walzbalken sind hier, jeweils sechs Walzgut-Leitführungen 26 bzw. 27 bzw. 28 bzw. 29 einstell- und festlegbar angeordnet.As can be seen further from FIGS. 1 and 2 in connection with FIG. 3, a support frame formed from
Wie aus den Fig. 3, 4 und 5 zu ersehen, sind im Stegbereich der U-Ausnehmungen 20 der parallelflächigen Platten 17, 18 nach außen gerichtete Kragansätze 30 angesetzt. Diese Kragansätze 30 sind mit ihren nach unten weisenden Flächen auf die untere Begrenzung der Fenster 2c, 3c der Walzenständer 2, 3 auflegbar (vgl. Fig. 2). Der aus der oberen Walze 10, der unteren Walze 11, den Lagerstücken 14 und 15, den Walzbalken 22, 23, 24, 25 und den auf diese montierten und einstellpositionierten Walzgut-Leitungstührungs-Sätzen 26, 27, 28, 29 bestehende, betriebsfertige Walz-Satz wird, wie insb. Fig. 3, 4 und 5 zeigen, von dem parallelflächigen Plattenpaar 17, 18 in Verbindung mit der Hubtraverse 16 gehalten und getragen. Er kann aus der in den Fig. 1 und 2 wiedergegebenen Walzposition zwischen den Ständern 2a, 3a des Walzgerüstes 1 bspw. mit Hilfe eines krans, nach oben aus dem Walzgerüst 1 herausgehoben werden. Zu diesem Zweck werden die Verbindungskappen 4, 5, die mit Scharniergelenken 31 (Fig. 1 und 2) an die freien Enden der nebeneinander aufstehenden Holme 2a bzw. 3a der Ständer 2, 3 des Walzgerüstes 1 angelenkt sind, nach seitlichem Herausziehen der Gelenkbolzen 32 auf nicht dargestellte Weise abgehoben. Es besteht auch die Möglichkeit, die Verbindungskappen 4, 5 stattdessen, wenn die baulichen Verhältnisse dies erlauben, um jeweils einen der Gelenkbolzen 32 nach außen zu verschwenken und so den Aushebeweg für den erwähnten Walzsatz freizumachen. Beim Anheben der Hubtraverse 16 (Fig. 5) wird das obere Lagerstück 14, das hierzu seitliche Kragansätze 33 aufweist, von im Öffnungsbereich der U-Ausnehmung 20, einander gegenüberliegend in die Öffnung ragenden Ansätzen 17a bzw. 18a gehalten, nachdem es von Lagerstück 15 wegbewegt wurde. Die Kragansätze 33, an deren Stelle bspw. auch die oberen Eckkanten der Lagerstücke treten könne, unterfassen dabei die Ansätze 17a und 18a.As can be seen from FIGS. 3, 4 and 5, outwardly directed
Nach Ausheben des Walzsatzes kann dieser durch einen außerhalb des Walzgerüstes 1 vorbereiteten entsprechend walzfertig gemachten Walzensatz ersetzt werden, und der Walzprozeß kann nach Wiedereinbringen der Verbindungskappen 4, 5 sofort fortgesetzt werden. Die zeitliche Unterbrechung beschränkt sich auf das Ausheben und Wiedereinsetzen der jeweils außerhalb der Walzgerüste komplett vorbereiteten Walzsätze.After lifting the roll set, it can be replaced by a roll set prepared outside of the
Claims (3)
- Reversible roll stand with pairs of multi-calibre rolls (10, 11), the bearing chocks (14, 15) of which are adjustably guided in windows (2c, 3a), which are formed by posts (2a, 3a), of the housings (2, 3) of the roll stand, and in which the rolls (10, 11) together with their bearing chocks (14, 15) are insertable into a carrier framme, which can be brought from above into and out of position between the posts (2a, 3a), and in which the carriers (22, 23, 24, 25) are insertable by roll stock guides (26, 27, 28, 29), characterised thereby that the carrier frame consists of a pair of U-shaped plates (17, 18), which are connected together parallel in terms of area by spacer members and in the recesses (20) of which, which are open upwardly in the installed position, the rolls (10, 11) are held by the bearing chocks (14, 15) projecting out at both sides, wherein the web region of the U recesses (20) forms a rest surface for the lower side of the bearing chock (15) of the lower roll (11) and the U recesses (20) of each plate (17, 18) have projections (17a, 18a), which are opposite one another in the plate opening region, protrude into the opening and can be held up in the demounted position by entraining projections arranged at the bearing chocks (14, 15), and the housings (2, 3) have at the top connecting caps (4, 5) which are articulated to the posts (2a, 3a) thereof, can be slid out or pivoted out for the demounting of the rolls (11, 12) and carry the adjusting elements for the bearing chocks (14, 15).
- Reversible roll stand according to claim 1, characterised by, in the web region of the U recess (20) of each plate (17, 18), outwardly directed cantilever projections (30) which are attached to this region, hold up the bearing chock (15) of the lower roll in the installed position thereof and the downwardly facing surfaces of which are placeable on the lower boundary of the windows (2c, 3c) of the roll housings (2, 3).
- Reversible roll stand according to claims 1 and/or 2, characterised thereby that the two plates (17, 18) of the plate pair have mutually opposite slot recesses (21) for the displaceable insertion of the carriers (22, 23; 24, 25) of the roll stock guides (26, 27; 28, 29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT90111730T ATE103514T1 (en) | 1989-07-04 | 1990-06-21 | REVERSIBLE DUO PROFILE ROLLING ROLLER. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3921928A DE3921928A1 (en) | 1989-07-04 | 1989-07-04 | REVERSIBLE DUO-PROFILE ROLLING STAND |
| DE3921928 | 1989-07-04 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0406624A2 EP0406624A2 (en) | 1991-01-09 |
| EP0406624A3 EP0406624A3 (en) | 1991-03-06 |
| EP0406624B1 true EP0406624B1 (en) | 1994-03-30 |
Family
ID=6384255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90111730A Expired - Lifetime EP0406624B1 (en) | 1989-07-04 | 1990-06-21 | Reversible two-high section roll stand |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0406624B1 (en) |
| JP (1) | JP2831811B2 (en) |
| CN (1) | CN1020867C (en) |
| AT (1) | ATE103514T1 (en) |
| DE (2) | DE3921928A1 (en) |
| ES (1) | ES2051410T3 (en) |
| RU (1) | RU1838007C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4301096C2 (en) * | 1993-01-18 | 1994-10-27 | Troester Maschf Paul | calender |
| EP2527056A1 (en) | 2011-05-24 | 2012-11-28 | Siemens Aktiengesellschaft | Method for milling boards, computer program, data carrier and control device |
| CN104384188B (en) * | 2014-11-13 | 2017-01-18 | 重庆市龙山金属材料有限公司 | Rolling mill for rectangular steel tubes |
| CN107282644B (en) * | 2016-04-04 | 2018-10-09 | 鞍钢股份有限公司 | Method for processing broken rolls in finish rolling |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE911602C (en) * | 1941-01-31 | 1954-05-17 | Siemag Vertriebsgesellschaft M | Roll change frame for roll stands |
| IT1141791B (en) * | 1980-05-06 | 1986-10-08 | Danieli Off Mecc | REFINEMENTS FOR FIXED LAMINATION LINE CAGES AND FIXED LAMINATION LINE CAGES SO PERFECTED |
-
1989
- 1989-07-04 DE DE3921928A patent/DE3921928A1/en not_active Withdrawn
-
1990
- 1990-06-21 ES ES90111730T patent/ES2051410T3/en not_active Expired - Lifetime
- 1990-06-21 DE DE90111730T patent/DE59005159D1/en not_active Expired - Fee Related
- 1990-06-21 EP EP90111730A patent/EP0406624B1/en not_active Expired - Lifetime
- 1990-06-21 AT AT90111730T patent/ATE103514T1/en not_active IP Right Cessation
- 1990-07-03 JP JP2176086A patent/JP2831811B2/en not_active Expired - Fee Related
- 1990-07-03 RU SU904830387A patent/RU1838007C/en active
- 1990-07-04 CN CN90103355A patent/CN1020867C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE59005159D1 (en) | 1994-05-05 |
| ES2051410T3 (en) | 1994-06-16 |
| EP0406624A2 (en) | 1991-01-09 |
| RU1838007C (en) | 1993-08-30 |
| ATE103514T1 (en) | 1994-04-15 |
| CN1048508A (en) | 1991-01-16 |
| CN1020867C (en) | 1993-05-26 |
| JP2831811B2 (en) | 1998-12-02 |
| DE3921928A1 (en) | 1991-01-17 |
| EP0406624A3 (en) | 1991-03-06 |
| JPH0357506A (en) | 1991-03-12 |
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