EP1466674A2 - Method and device for the manufacturing of a tube from a metallic material - Google Patents
Method and device for the manufacturing of a tube from a metallic material Download PDFInfo
- Publication number
- EP1466674A2 EP1466674A2 EP04001525A EP04001525A EP1466674A2 EP 1466674 A2 EP1466674 A2 EP 1466674A2 EP 04001525 A EP04001525 A EP 04001525A EP 04001525 A EP04001525 A EP 04001525A EP 1466674 A2 EP1466674 A2 EP 1466674A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- tube blank
- rollers
- inner tool
- rolling mill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 title claims description 17
- 239000007769 metal material Substances 0.000 title claims description 6
- 238000005096 rolling process Methods 0.000 claims abstract description 39
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 239000002826 coolant Substances 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010792 warming 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
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/06—Rolling hollow basic material, e.g. Assel mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/78—Control of tube rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B2045/0227—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
- B21B25/02—Guides, supports, or abutments for mandrels, e.g. carriages or steadiers; Adjusting devices for mandrels
Definitions
- the invention relates to a method for producing pipes from metallic Material in a planetary cross-rolling mill, in which a tube blank is the planetary cross-rolling mill fed and between a number of rollers and one mandrel-shaped inner tool is rolled into the tube.
- the invention further relates to a planetary cross roll mill for the production of pipes from metallic Material.
- a planetary cross-rolling mill known. Such a method and a planetary cross roll mill is described for example in DE 101 07 567 A1.
- the planetary cross-rolling mill fed a pipe blank, which rolled in a gap to the pipe that is between a number of planetary diagonal rollers and one forms thorn-shaped inner tool.
- the invention is therefore based on the object of a method of the type mentioned Art as well as to create a planetary diagonal rolling mill that the above Overcomes disadvantages. This is intended to increase output rates as well the reliability of planetary diagonal rolling are guaranteed.
- this object is achieved by the invention in that that the inner tool at the time the beginning of a Tube blank and / or the end of a tube blank in the area of the rollers occurs, against the conveying direction of the tube blank from its working position by one predetermined displacement is withdrawn and after the beginning the tube blank and / or the end of the tube blank passes the area of the rollers has been pushed back into his working position.
- the beginning of the tube blank and / or the end of the tube blank is preferred with the inner tool withdrawn, rolled together in a liquid-tight manner by the rollers. It also increases the economics of the process if at least Two pipe blanks are fed to the planetary cross-rolling mill become. Furthermore, it can be provided that the planetary cross roll mill is continuously fed with pipe blanks.
- Another training provides that by measuring the rotation of the rolled Pipe around its longitudinal axis and controlled or regulated activation of the Drive or drives the rollers a rotation of the tube around its Longitudinal axis is balanced. It can be controlled or regulated to the Main drive of the rollers can be influenced; alternatively or additively be provided that controlled or regulated on a superposition drive the rollers are acted on.
- the tube blank and / or the Tube advantageously subjected to cooling with liquid cooling medium.
- the planetary cross-rolling mill according to the invention for the production of pipes metallic material has a number of rollers and an internal tool, so that a pipe blank in the gap between the rollers and the inner tool for Pipe can be rolled.
- the planetary cross roll mill is according to the invention characterized by means for timed or regulated withdrawal the inner tool from its working position by a predetermined displacement against the direction of conveyance of the tube blank as well as the time-controlled or controlled return of the inner tool to its working position.
- the means as hydraulic or electrical Linear actuator are formed.
- Fig. 1 is shown schematically, as in a planetary cross-rolling mill 2, the not shown in detail, but is constructed in a known manner, a pipe blank 3 is rolled into a tube 1.
- the tube blank 3 enters in the conveying direction R in the planetary cross-rolling mill 2 and is rolled into tube 1.
- a number of rollers 4 evenly distributed in the circumferential direction arranged around the tube 1, only one roller 4 being outlined in FIG. 1.
- a mandrel-shaped inner tool 5 is positioned between the rollers 4, that there is a roll gap that the material of the tube blank 3 to Rolls tube 1 with the desired diameter.
- means 10 are provided. These can be hydraulic or operated electrically.
- Especially the planetary diagonal rolling mill 2 is preferably operated continuously with tube blanks 3 loaded.
- the advantage of the method described is that even during the Rolling the slug joint 12 (see FIG. 2) continues to roll 4 with the required Rolling emulsion is applied and the emerging pipe 1 are cooled can, without rolling emulsion or cooling water into the interior of the tube 1 arrives. By protecting the inside of the pipe, it is easy to process further of the tube 1 allows. At the same time, the rollers 4 are well lubricated and cooled the outlet pipe 1. Thanks to constant cooling down to the end of the pipe does not find any oxidation due to excessive copper and copper alloys Rolled material temperature at the outlet from the planetary diagonal rolling mill 2 instead of what a reduced proportion of scrap results.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Control Of Metal Rolling (AREA)
- Metal Extraction Processes (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Herstellung von Rohren aus metallischem Werkstoff in einem Planetenschrägwalzwerk, bei dem eine Rohrluppe dem Planetenschrägwalzwerk zugeführt und zwischen einer Anzahl Walzen und einem dornförmigen Innenwerkzeug zum Rohr gewalzt wird. Des weiteren betrifft die Erfindung ein Planetenschrägwalzwerk zur Herstellung von Rohren aus metallischem Werkstoff.The invention relates to a method for producing pipes from metallic Material in a planetary cross-rolling mill, in which a tube blank is the planetary cross-rolling mill fed and between a number of rollers and one mandrel-shaped inner tool is rolled into the tube. The invention further relates to a planetary cross roll mill for the production of pipes from metallic Material.
Zur Herstellung von nahtlosen Rohren ist deren Fertigung in einem Planetenschrägwalzwerk bekannt. Ein solches Verfahren und ein Planetenschrägwalzwerk ist beispielsweise in der DE 101 07 567 A1 beschrieben. Dabei wird dem Planetenschrägwalzwerk eine Rohrluppe zugeführt, die in einem Spalt zum Rohr gewalzt wird, der sich zwischen einer Anzahl Planetenschrägwalzen und einem dornförmigen Innenwerkzeug bildet.To produce seamless tubes, they are manufactured in a planetary cross-rolling mill known. Such a method and a planetary cross roll mill is described for example in DE 101 07 567 A1. The planetary cross-rolling mill fed a pipe blank, which rolled in a gap to the pipe that is between a number of planetary diagonal rollers and one forms thorn-shaped inner tool.
Durch die von den Walzen in das zu walzende Material eingebrachte Energie erwärmt sich die Rohrluppe bzw. das Rohr sehr stark, so dass es einer Kühlung unterzogen werden muss. Aus der DE 101 07 567 A1 ist es daher bekannt, die Rohrluppe zur Ausbildung einer Kühlzone in der einlaufenden Umformzone des Walzwerks durch allseitig konzentrisch gerichtetes Besprühen mit Kühlmedium zu beaufschlagen, wobei das Kühlmedium unter hohem Druck zugeführt wird. Dabei wird eine solche Wärmemenge abgeführt, dass ein Temperaturanstieg des gewalzten Rohres zumindest derart unterdrückt wird, dass es zu keiner unzulässig hohen Erwärmung kommt.Warmed up by the energy introduced into the material to be rolled by the rollers the pipe blank or the pipe very strong, so that it is cooling must be subjected. From DE 101 07 567 A1 it is therefore known that Tube blank to form a cooling zone in the incoming forming zone of the Rolling mill by concentrically spraying with cooling medium on all sides apply, the cooling medium being supplied under high pressure. there such an amount of heat is dissipated that a rise in temperature of the rolled Pipe is suppressed at least in such a way that it is inadmissible to none high warming comes.
Bei einer solchen Herstellungsweise entstehen dadurch Probleme, dass das zum Einsatz kommende Kühlmedium in die offenen Rohrenden eindringen kann, was die nachfolgende Weiterverarbeitung, z. B. durch Stopfenziehen, erschwert. Aus diesem Grunde ist es üblich, die offenen Rohrenden nicht mit Kühlmedium zu beaufschlagen, was allerdings in nachteiliger Weise zur Folge hat, dass die Ausbringung des Planetenschrägwalzwerks sinkt und der Schrottanteil ansteigt. Weiterhin ist es nachteilig, dass durch das Aussetzen der Kühlung im Endbereich des Rohrs bzw. der Rohrluppe das Rohr heiß aus dem Walzwerk läuft und deshalb leicht oxidiert. Die oxidierten Bereiche des Rohrs müssen in der Folge abgetrennt werden, um hinreichende Qualität des gefertigten Rohres zu garantieren.With such a production method, problems arise that the The cooling medium used can penetrate into the open pipe ends, which the subsequent processing, e.g. B. difficult by pulling the plug. Out for this reason it is common not to apply cooling medium to the open pipe ends, which, however, disadvantageously results in the application of the planetary diagonal rolling mill drops and the proportion of scrap increases. Farther it is disadvantageous that by suspending the cooling in the end area of the pipe the pipe runs hot from the rolling mill and therefore easily oxidized. The oxidized areas of the pipe must then be separated, to guarantee sufficient quality of the manufactured pipe.
Der Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren der eingangs genannten Art sowie ein Planetenschrägwalzwerk zu schaffen, das die genannten Nachteile überwindet. Damit soll eine Steigerung der Ausbringungsleistung sowie der Zuverlässigkeit des Planetenschrägwalzens gewährleistet werden.The invention is therefore based on the object of a method of the type mentioned Art as well as to create a planetary diagonal rolling mill that the above Overcomes disadvantages. This is intended to increase output rates as well the reliability of planetary diagonal rolling are guaranteed.
Die Lösung dieser Aufgabe durch die Erfindung ist verfahrensgemäß dadurch gekennzeichnet, dass das Innenwerkzeug zu dem Zeitpunkt, zu dem der Anfang einer Rohrluppe und/oder das Ende einer Rohrluppe in den Bereich der Walzen eintritt, gegen die Förderrichtung der Rohrluppe aus seiner Arbeitsposition um einen vorbestimmten Verschiebeweg zurückgezogen wird und nachdem der Anfang der Rohrluppe und/oder das Ende der Rohrluppe den Bereich der Walzen passiert hat wieder in seine Arbeitsposition vorgeschoben wird.According to the method, this object is achieved by the invention in that that the inner tool at the time the beginning of a Tube blank and / or the end of a tube blank in the area of the rollers occurs, against the conveying direction of the tube blank from its working position by one predetermined displacement is withdrawn and after the beginning the tube blank and / or the end of the tube blank passes the area of the rollers has been pushed back into his working position.
Bevorzugt wird dabei der Anfang der Rohrluppe und/oder das Ende der Rohrluppe bei zurückgezogenem Innenwerkzeug flüssigkeitsdicht von den Walzen zusammengewalzt. Ferner erhöht es die Wirtschaftlichkeit des Verfahrens, wenn mindestens zwei Rohrluppen aneinanderstoßend dem Planetenschrägwalzwerk zugeführt werden. Weiterhin kann hierzu vorgesehen werden, dass das Planetenschrägwalzwerk kontinuierlich mit Rohrluppen beschickt wird.The beginning of the tube blank and / or the end of the tube blank is preferred with the inner tool withdrawn, rolled together in a liquid-tight manner by the rollers. It also increases the economics of the process if at least Two pipe blanks are fed to the planetary cross-rolling mill become. Furthermore, it can be provided that the planetary cross roll mill is continuously fed with pipe blanks.
Durch das Zurückziehen des Innenwerkzeugs wird es möglich, dass das Ende bzw. der Anfang des Rohres bzw. der Rohrluppe durch den Walzvorgang verschlossen wird, was zur Folge hat, dass kein Kühlmedium ins Innere des Rohres eintreten kann.By retracting the inner tool, it becomes possible that the end or the beginning of the tube or the tube blank closed by the rolling process becomes, which means that no cooling medium inside the tube can occur.
Eine weitere Fortbildung sieht vor, dass durch Messung der Drehung des gewalzten Rohres um seine Längsachse und gesteuerte oder geregelte Ansteuerung des Antriebs bzw. der Antriebe der Walzen eine Drehung des Rohres um seine Längsachse ausgeglichen wird. Dabei kann gesteuert oder geregelt auf den Hauptantrieb der Walzen Einfluss genommen werden; alternativ oder additiv kann vorgesehen werden, dass gesteuert oder geregelt auf einen Überlagerungsantrieb der Walzen eingewirkt wird.Another training provides that by measuring the rotation of the rolled Pipe around its longitudinal axis and controlled or regulated activation of the Drive or drives the rollers a rotation of the tube around its Longitudinal axis is balanced. It can be controlled or regulated to the Main drive of the rollers can be influenced; alternatively or additively be provided that controlled or regulated on a superposition drive the rollers are acted on.
Wie als solches im Stand der Technik bekannt, wird die Rohrluppe und/oder das Rohr mit Vorteil einer Kühlung mit flüssigem Kühlmedium unterzogen.As is known as such in the prior art, the tube blank and / or the Tube advantageously subjected to cooling with liquid cooling medium.
Das erfindungsgemäße Planetenschrägwalzwerk zur Herstellung von Rohren aus metallischem Werkstoff hat eine Anzahl von Walzen und ein Innenwerkzeug, so dass eine Rohrluppe im Spalt zwischen den Walzen und dem Innenwerkzeug zum Rohr gewalzt werden kann. Das Planetenschrägwalzwerk ist erfindungsgemäß gekennzeichnet durch Mittel zum zeitlich gesteuerten oder geregelten Zurückziehen des Innenwerkzeugs aus seiner Arbeitsposition um einen vorbestimmten Verschiebeweg entgegen der Förderrichtung der Rohrluppe sowie zum zeitlich gesteuerten oder geregelten Zurückbewegen des Innenwerkzeugs in seine Arbeitsposition. The planetary cross-rolling mill according to the invention for the production of pipes metallic material has a number of rollers and an internal tool, so that a pipe blank in the gap between the rollers and the inner tool for Pipe can be rolled. The planetary cross roll mill is according to the invention characterized by means for timed or regulated withdrawal the inner tool from its working position by a predetermined displacement against the direction of conveyance of the tube blank as well as the time-controlled or controlled return of the inner tool to its working position.
Dabei ist mit Vorteil vorgesehen, dass die Mittel als hydraulischer oder elektrischer Linearaktuator ausgebildet sind.It is advantageously provided that the means as hydraulic or electrical Linear actuator are formed.
In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Es zeigen:
- Fig. 1
- schematisch den Schnitt durch ein Planetenschrägwalzwerk, wobei aus einer Rohrluppe das Rohr gewalzt wird, und
- Fig. 2
- dieselbe Darstellung wie in Fig. 1, wobei gerade die Anschlussstelle zweier Rohrluppen gewalzt wird.
- Fig. 1
- schematically the section through a planetary cross-rolling mill, the tube being rolled from a tube blank, and
- Fig. 2
- the same representation as in Fig. 1, the connection point of two tube blanks is being rolled.
In Fig. 1 ist schematisch gezeigt, wie in einem Planetenschrägwalzwerk 2, das
nicht näher dargestellt, jedoch in bekannter Weise aufgebaut ist, eine Rohrluppe 3
zu einem Rohr 1 gewalzt wird. Die Rohrluppe 3 tritt dabei in Förderrichtung R in
das Planetenschrägwalzwerk 2 ein und wird zum Rohr 1 gewalzt. Um dies zu bewerkstelligen,
ist eine Anzahl Walzen 4 in Umfangsrichtung gleichmäßig verteilt
um das Rohr 1 herum angeordnet, wobei in Fig. 1 nur eine Walze 4 skizziert ist.
Weiterhin wird ein dornförmiges Innenwerkzeug 5 so zwischen den Walzen 4 positioniert,
dass sich ein Walzspalt ergibt, der das Material der Rohrluppe 3 zum
Rohr 1 mit gewünschtem Durchmesser walzt.In Fig. 1 is shown schematically, as in a
Das insoweit vorbekannte Planetenschrägwalzverfahren wird gemäß der vorliegenden Erfindung wie folgt betrieben:The previously known planetary cross-rolling method is according to the present Invention operated as follows:
Im Planetenschrägwalzwerk 2 können zwei Rohrluppen 3 aneinanderstoßend zugeführt
werden. In Fig. 2 ist zu erkennen, dass das Ende 7 der in Förderrichtung R
vorderen (rechten) Rohrluppe 3 an den Anfang 6 der nachfolgenden (linken)
Rohrluppe 3 anstößt. Der Luppenstoß, wobei die Rohrluppen 3 in diesem Bereich
zugewalzt sind, ist durch den auf die durchgezogene Linie weisenden Pfeil 12 veranschaulicht. In the
Zu dem Zeitpunkt, zu dem der Anfang 6 der hinteren (linken) Rohrluppe 3 bzw.
das Ende 7 der vorderen (rechten) Rohrluppe 3 in den Bereich der Walzen 4 eintritt,
wird das Innenwerkzeug 5 gegen die Förderrichtung R der Rohrluppen 3 aus
seiner in Fig. 1 dargestellten normalen Arbeitsposition 8 um einen vorbestimmten
Verschiebeweg x in eine zurückgezogene Position 11 zurückgezogen. Dies ist in
Fig. 1 dadurch verdeutlicht, dass hier mit ausgezogenen Linien die Arbeitsposition
8 des Innenwerkzeugs 5 und mit gestrichelten Linien die zurückgezogene Position
11 des Innenwerkzeugs 5 eingezeichnet ist.At the time when the
Bei zurückgezogenem Innenwerkzeug 5 wird, wie es Fig. 2 zu entnehmen ist, das
Ende 7 einer Rohrluppe 3 bzw. der Anfang 6 der nachfolgenden Rohrluppe 3
durch radiales Zustellen der Walzen 4 so zusammengewalzt, dass der Anfang 6
bzw. das Ende 7 der Rohrluppe 3 flüssigkeitsdicht verschlossen ist. Hierdurch
kann kein Kühlmedium, das während des Walzprozesses auf die Rohrluppe 3
bzw. auf das Rohr 1 geleitet wird, in das Rohrinnere eindringen, womit die Weiterverarbeitung
des Rohres 1, z. B. durch Stopfenziehen, nicht erschwert wird. Außerdem
wird verhindert, dass das Rohr 1 beim Auslauf aus dem Planetenschrägwalzwerk
2 zu heiß wird und Oxidationen stattfinden. Diese sind vor allem im Falle
von Kupfer bzw. Kupferlegierungen als Rohrmaterial problematisch.When the inner tool 5 is withdrawn, as can be seen in FIG. 2, the
End 7 of a tube blank 3 or the
Hat der Anfang 6 der (linken) Rohrluppe 3 bzw. das Ende 7 der (rechten) Rohrluppe
3 den Bereich der Walzen 4 passiert, wird das Innenwerkzeug 5 wieder in die
übliche Arbeitsposition 8 vorgeschoben. Damit erfolgt das übliche Walzen der
Rohrluppe 3 zum Rohr 1 gemäß Fig. 1.Has the
Damit das Innenwerkzeug 5 in Förderrichtung R entlang der Längsachse 9 des
Rohres 1 bewegt werden kann, sind Mittel 10 vorgesehen. Diese können hydraulisch
oder elektrisch betätigt werden. So that the inner tool 5 in the conveying direction R along the
Der Verschiebeweg x, um den das Innenwerkzeug 5 entgegen der Förderrichtung
R zurückgezogen wird, ergibt sich aus der konkreten Geometrie von Rohrluppe 3,
Rohr 1 sowie Walzen 4 und wird so gewählt, dass zuverlässig ein flüssigkeitsdichtes
Zusammenwalzen des Anfangs 6 bzw. des Endes 7 der Rohrluppe 3 erreicht
werden kann.The displacement x by which the inner tool 5 against the conveying direction
R is withdrawn, results from the concrete geometry of tube blank 3,
Tube 1 and
Wie Fig. 2 weiter entnommen werden kann, werden bevorzugt zumindest zwei
Rohrluppen 3 aneinanderstoßend dem Planetenschrägwalzwerk 2 zugeführt. Besonders
bevorzugt wird das Planetenschrägwalzwerk 2 kontinuierlich mit Rohrluppen
3 beschickt.As can be seen in FIG. 2, at least two are preferred
Für die weitere Verarbeitung des gewalzten Rohres 1 hat es sich als vorteilhaft
erwiesen, dass am Austritt des Planetenschrägwalzwerks 2 die Drehung des Rohres
1 um die Längsachse 9 ermittelt wird und eine Ansteuerung der Antriebe der
Walzen 4 in der Art und Weise erfolgt, dass eine Drehung des Rohres 1 um seine
Längsachse 9 ausgeglichen wird, d. h. nicht stattfindet.It has proven to be advantageous for the further processing of the rolled tube 1
proved that at the outlet of the
Durch das Ziehen des Innenwerkzeugs 5 um den Verschiebeweg x werden nämlich
massiv die Umformbedingungen geändert, was bei konstantem Antrieb des
Haupt- und Überlagerungsantriebs der Walzen 4 in einem Abriss der Rohrenden
resultieren kann. Da dies in höchstem Maße nachteilig wäre, kann durch die erläuterte
Vorgehensweise eine automatische Kompensation der Rohrdrehung erfolgen,
da auch die Drehzahlverhältnisse durch die Änderungen der Walzbedingungen
durch das Ziehen des Innenwerkzeugs 5 korrigiert werden können und so
ein sichereres und reproduzierbares Schließen des Rohrendes ermöglicht wird.By pulling the inner tool 5 around the displacement path x namely
massively changed the forming conditions, which with constant drive of the
Main and superimposition drive of the
Der Vorteil des beschriebenen Verfahrens liegt darin, dass auch während des
Walzens des Luppenstoßes 12 (vgl. Fig. 2) weiterhin die Walzen 4 mit der erforderlichen
Walzemulsion beaufschlagt und das auslaufende Rohr 1 gekühlt werden
können, ohne dass Walzemulsion bzw. Kühlwasser in das Innere des Rohres 1
gelangt. Durch den Schutz der Rohrinnenseite wird eine problemlose Weiterverarbeitung
des Rohres 1 ermöglicht. Gleichzeitig werden die Walzen 4 gut geschmiert
und das auslaufende Rohr 1 gekühlt. Durch die konstante Kühlung bis zum Rohrende
findet bei Kupfer und Kupferlegierungen keine Oxidation durch eine zu hohe
Walzguttemperatur beim Auslauf aus dem Planetenschrägwalzwerk 2 statt, woraus
ein verringerter Schrottanteil resultiert. The advantage of the method described is that even during the
Rolling the slug joint 12 (see FIG. 2) continues to roll 4 with the required
Rolling emulsion is applied and the emerging pipe 1 are cooled
can, without rolling emulsion or cooling water into the interior of the tube 1
arrives. By protecting the inside of the pipe, it is easy to process further
of the tube 1 allows. At the same time, the
- 11
- Rohrpipe
- 22
- PlanetenschrägwalzwerkPlanetary cross rolling mill
- 33
- Rohrluppetube blank
- 44
- Walzeroller
- 55
- Innenwerkzeuginternal tool
- 66
- Anfang der RohrluppeBeginning of the pipe blank
- 77
- Ende der RohrluppeEnd of the pipe blank
- 88th
- Arbeitsposition des InnenwerkzeugsWorking position of the inner tool
- 99
- Längsachse des RohresLongitudinal axis of the pipe
- 1010
- Mittel zum Bewegen des InnenwerkzeugsMeans for moving the inner tool
- 1111
- zurückgezogene Position des Innenwerkzeugsretracted position of the inner tool
- 1212
- LuppenstoßLuppenstoß
- RR
- Förderrichtungconveying direction
- xx
- Verschiebewegdisplacement
Claims (10)
dadurch gekennzeichnet, dass das Innenwerkzeug (5) zu dem Zeitpunkt, zu dem der Anfang (6) einer Rohrluppe (3) und/oder das Ende (7) einer Rohrluppe (3) in den Bereich der Walzen (4) eintritt, gegen die Förderrichtung (R) der Rohrluppe (3) aus seiner Arbeitsposition (8) um einen vorbestimmten Verschiebeweg (x) zurückgezogen wird und nachdem der Anfang (6) der Rohrluppe (3) und/oder das Ende (7) der Rohrluppe (3) den Bereich der Walzen (4) passiert hat wieder in seine Arbeitsposition (8) vorgeschoben wird.Method for producing pipes (1) made of metallic material in a planetary cross-rolling mill (2), in which a tube blank (3) is fed to the planetary cross-rolling mill (2) and between a number of rolls (4) and a mandrel-shaped inner tool (5) to form the pipe (1 ) is rolled,
characterized in that the inner tool (5) at the time at which the beginning (6) of a tube blank (3) and / or the end (7) of a tube blank (3) enters the area of the rollers (4) against which Conveying direction (R) of the tube blank (3) is withdrawn from its working position (8) by a predetermined displacement path (x) and after the beginning (6) of the tube blank (3) and / or the end (7) of the tube blank (3) Area of the rollers (4) has passed back into its working position (8).
dadurch gekennzeichnet, dass der Anfang (6) der Rohrluppe (3) und/oder das Ende (7) der Rohrluppe (3) bei zurückgezogenem Innenwerkzeug (5) flüssigkeitsdicht von den Walzen (4) zusammengewalzt wird. Method according to claim 1,
characterized in that the beginning (6) of the tube blank (3) and / or the end (7) of the tube blank (3) is rolled liquid-tight by the rollers (4) when the inner tool (5) is withdrawn.
dadurch gekennzeichnet, dass mindestens zwei Rohrluppen (3) aneinanderstoßend dem Planetenschrägwalzwerk (2) zugeführt werden.Method according to claim 1 or 2,
characterized in that at least two tube blanks (3) are fed to the planetary cross-rolling mill (2) in abutting manner.
dadurch gekennzeichnet, dass das Planetenschrägwalzwerk (2) kontinuierlich mit Rohrluppen (3) beschickt wird.Method according to one of claims 1 to 3,
characterized in that the planetary diagonal rolling mill (2) is continuously fed with pipe brackets (3).
dadurch gekennzeichnet, dass durch Messung der Drehung des gewalzten Rohres (1) um seine Längsachse (9) und gesteuerte oder geregelte Ansteuerung des Antriebs bzw. der Antriebe der Walzen (4) eine Drehung des Rohres (1) um seine Längsachse (9) ausgeglichen wird.Method according to one of claims 1 to 4,
characterized in that by measuring the rotation of the rolled tube (1) about its longitudinal axis (9) and controlled or regulated actuation of the drive or drives of the rollers (4), a rotation of the tube (1) about its longitudinal axis (9) is compensated becomes.
dadurch gekennzeichnet, dass der gesteuerte oder geregelte Antrieb als Hauptantrieb der Walzen (4) betrieben wird.Method according to claim 5,
characterized in that the controlled or regulated drive is operated as the main drive of the rollers (4).
dadurch gekennzeichnet, dass der gesteuerte oder geregelte Antrieb als Überlagerungsantrieb der Walzen (4) betrieben wird. Method according to claim 5,
characterized in that the controlled or regulated drive is operated as a superposition drive of the rollers (4).
dadurch gekennzeichnet, dass die Rohrluppe (3) und/oder das Rohr (1) einer Kühlung mit flüssigem Kühlmedium unterzogen wird.Method according to one of claims 1 to 7,
characterized in that the tube blank (3) and / or the tube (1) is subjected to cooling with liquid cooling medium.
gekennzeichnet durch
Mittel (10) zum zeitlich gesteuerten oder geregelten Zurückziehen des Innenwerkzeugs (5) aus seiner Arbeitsposition (8) um einen vorbestimmten Verschiebeweg (x) entgegen der Förderrichtung (R) der Rohrluppe (3) sowie zum zeitlich gesteuerten oder geregelten Zurückbewegen des Innenwerkzeugs (5) in seine Arbeitsposition (8).Planetary diagonal rolling mill (2) for producing pipes (1) from metallic material, which has a number of rolls (4) and an inner tool (5), so that a tube blank (3) in the gap between the rolls (4) and the inner tool (5 ) can be rolled into a tube (1), in particular for carrying out the method according to one of claims 1 to 8,
marked by
Means (10) for the time-controlled or regulated retraction of the inner tool (5) from its working position (8) by a predetermined displacement path (x) against the conveying direction (R) of the tube blank (3) and for the time-controlled or regulated retraction of the inner tool (5 ) in its working position (8).
dadurch gekennzeichnet, dass die Mittel (10 ) als hydraulischer oder elektrischer Linearaktuator ausgebildet sind.Planetary cross-rolling mill according to claim 9,
characterized in that the means (10) are designed as hydraulic or electrical linear actuators.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10316910 | 2003-04-12 | ||
DE10316910A DE10316910B3 (en) | 2003-04-12 | 2003-04-12 | Production of metallic pipes comprises rolling the start of the pipe loop and/or the end of the pipe loop together using an inner tool |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1466674A2 true EP1466674A2 (en) | 2004-10-13 |
EP1466674A3 EP1466674A3 (en) | 2005-06-15 |
EP1466674B1 EP1466674B1 (en) | 2006-07-19 |
Family
ID=32798181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04001525A Expired - Lifetime EP1466674B1 (en) | 2003-04-12 | 2004-01-24 | Method and device for the manufacturing of a tube from a metallic material |
Country Status (9)
Country | Link |
---|---|
US (1) | US6976377B2 (en) |
EP (1) | EP1466674B1 (en) |
JP (1) | JP2004314172A (en) |
KR (1) | KR100602436B1 (en) |
CN (1) | CN1264618C (en) |
AT (1) | ATE333328T1 (en) |
AU (1) | AU2004200873B9 (en) |
CA (1) | CA2463351A1 (en) |
DE (2) | DE10316910B3 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005044777A1 (en) * | 2005-09-20 | 2007-03-29 | Sms Meer Gmbh | Method and rolling mill for producing a seamless pipe |
US7647133B2 (en) * | 2005-10-12 | 2010-01-12 | Alpine Engineered Products, Inc. | Method and apparatus for optimization of cutting lumber |
US20090144959A1 (en) * | 2007-12-11 | 2009-06-11 | Colletti Michael J | Method for assembly of a direct injection fuel rail |
DE102011010646A1 (en) * | 2010-03-02 | 2011-09-08 | Sms Meer Gmbh | Hot tool and method for its production |
DE102012008803A1 (en) * | 2012-05-07 | 2013-11-07 | Kocks Technik Gmbh & Co. Kg | Method for rolling hollow cylinder slug in cross-rolling mill e.g. planet cross-rolling mill, involves forming mandrel bar portion in transforming zone, whose cross section is smaller than cross section of another mandrel bar portion |
DE102018003434A1 (en) * | 2018-04-27 | 2019-10-31 | Sms Group Gmbh | Cross rolling mill with hydraulic roller adjustment |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2657839A1 (en) * | 1976-12-21 | 1978-06-22 | Schloemann Siemag Ag | Planetary skew rolling mill for mfg. seamless tubes - where mandrel travels through tube blank into deformation zone of the mill |
JPS58215209A (en) * | 1982-06-07 | 1983-12-14 | Kawasaki Heavy Ind Ltd | Mandrel device of planetary type skew rolling mill for producing seamless steel pipe |
DE3905559A1 (en) * | 1989-02-23 | 1990-08-30 | Esw Roehrenwerke Gmbh | Cross-rolling mill for the manufacture of seamless tubes |
DE4428530A1 (en) * | 1994-08-12 | 1996-02-22 | Kocks Technik | Pipe mfr., e.g. cross-rolling of pipes with medium or low wall thickness |
DE10107567A1 (en) * | 2001-02-17 | 2002-08-29 | Sms Meer Gmbh | Process for cold rolling seamless copper tubes |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US116971A (en) * | 1871-07-11 | Improvement in washing-machines | ||
US4318294A (en) * | 1978-12-29 | 1982-03-09 | Nippon Steel Corporation | Method of manufacturing seamless metal pipes and tubes |
DE3220921A1 (en) * | 1982-06-03 | 1983-12-08 | Kocks Technik Gmbh & Co, 4010 Hilden | ROLLING MILL SYSTEM WITH A PLANETARY PULLING ROLLER |
DE3432288A1 (en) * | 1984-09-01 | 1986-03-13 | Kocks Technik Gmbh & Co, 4010 Hilden | METHOD AND SYSTEM FOR PRODUCING SEAMLESS TUBES |
DE3622678A1 (en) * | 1985-07-12 | 1987-01-15 | Kocks Technik | METHOD AND DEVICE FOR CROSS-ROLLING SEAMLESS TUBE LOUPES |
DE4323840A1 (en) * | 1993-07-16 | 1995-01-19 | Schumag Ag | Process for the internal profiling of pipes and device for carrying out the process |
DE50108219D1 (en) * | 2000-06-14 | 2006-01-05 | Sms Demag Ag | Method for rolling tube billets in a planetary cross rolling mill |
-
2003
- 2003-04-12 DE DE10316910A patent/DE10316910B3/en not_active Expired - Fee Related
- 2003-12-30 KR KR1020030099582A patent/KR100602436B1/en not_active IP Right Cessation
-
2004
- 2004-01-24 DE DE502004000968T patent/DE502004000968D1/en not_active Expired - Fee Related
- 2004-01-24 AT AT04001525T patent/ATE333328T1/en not_active IP Right Cessation
- 2004-01-24 EP EP04001525A patent/EP1466674B1/en not_active Expired - Lifetime
- 2004-02-12 CN CNB2004100039775A patent/CN1264618C/en not_active Expired - Fee Related
- 2004-02-27 US US10/790,325 patent/US6976377B2/en not_active Expired - Fee Related
- 2004-03-01 JP JP2004056374A patent/JP2004314172A/en not_active Withdrawn
- 2004-03-03 AU AU2004200873A patent/AU2004200873B9/en not_active Ceased
- 2004-04-06 CA CA002463351A patent/CA2463351A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2657839A1 (en) * | 1976-12-21 | 1978-06-22 | Schloemann Siemag Ag | Planetary skew rolling mill for mfg. seamless tubes - where mandrel travels through tube blank into deformation zone of the mill |
JPS58215209A (en) * | 1982-06-07 | 1983-12-14 | Kawasaki Heavy Ind Ltd | Mandrel device of planetary type skew rolling mill for producing seamless steel pipe |
DE3905559A1 (en) * | 1989-02-23 | 1990-08-30 | Esw Roehrenwerke Gmbh | Cross-rolling mill for the manufacture of seamless tubes |
DE4428530A1 (en) * | 1994-08-12 | 1996-02-22 | Kocks Technik | Pipe mfr., e.g. cross-rolling of pipes with medium or low wall thickness |
DE10107567A1 (en) * | 2001-02-17 | 2002-08-29 | Sms Meer Gmbh | Process for cold rolling seamless copper tubes |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN Bd. 008, Nr. 064 (M-285), 27. März 1984 (1984-03-27) & JP 58 215209 A (KAWASAKI JUKOGYO KK), 14. Dezember 1983 (1983-12-14) * |
Also Published As
Publication number | Publication date |
---|---|
KR100602436B1 (en) | 2006-07-19 |
CA2463351A1 (en) | 2004-10-12 |
KR20040089436A (en) | 2004-10-21 |
ATE333328T1 (en) | 2006-08-15 |
EP1466674B1 (en) | 2006-07-19 |
US6976377B2 (en) | 2005-12-20 |
AU2004200873B2 (en) | 2006-08-31 |
CN1264618C (en) | 2006-07-19 |
US20040200249A1 (en) | 2004-10-14 |
AU2004200873A1 (en) | 2004-10-28 |
JP2004314172A (en) | 2004-11-11 |
EP1466674A3 (en) | 2005-06-15 |
CN1535774A (en) | 2004-10-13 |
DE10316910B3 (en) | 2004-09-02 |
AU2004200873B9 (en) | 2007-03-22 |
DE502004000968D1 (en) | 2006-08-31 |
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