EP1466674A2 - Verfahren und Vorrichtung zur Herstellung eines Rohres aus metallischem Werkstoff - Google Patents
Verfahren und Vorrichtung zur Herstellung eines Rohres aus metallischem Werkstoff 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.
Abstract
Description
- 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.
- 1
- Rohr
- 2
- Planetenschrägwalzwerk
- 3
- Rohrluppe
- 4
- Walze
- 5
- Innenwerkzeug
- 6
- Anfang der Rohrluppe
- 7
- Ende der Rohrluppe
- 8
- Arbeitsposition des Innenwerkzeugs
- 9
- Längsachse des Rohres
- 10
- Mittel zum Bewegen des Innenwerkzeugs
- 11
- zurückgezogene Position des Innenwerkzeugs
- 12
- Luppenstoß
- R
- Förderrichtung
- x
- Verschiebeweg
Claims (10)
- Verfahren zur Herstellung von Rohren (1) aus metallischem Werkstoff in einem Planetenschrägwalzwerk (2), bei dem eine Rohrluppe (3) dem Planetenschrägwalzwerk (2) zugeführt und zwischen einer Anzahl Walzen (4) und einem dornförmigen Innenwerkzeug (5) zum Rohr (1) gewalzt wird,
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. - Verfahren nach Anspruch 1,
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. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass mindestens zwei Rohrluppen (3) aneinanderstoßend dem Planetenschrägwalzwerk (2) zugeführt werden. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass das Planetenschrägwalzwerk (2) kontinuierlich mit Rohrluppen (3) beschickt wird. - Verfahren nach einem der Ansprüche 1 bis 4,
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. - Verfahren nach Anspruch 5,
dadurch gekennzeichnet, dass der gesteuerte oder geregelte Antrieb als Hauptantrieb der Walzen (4) betrieben wird. - Verfahren nach Anspruch 5,
dadurch gekennzeichnet, dass der gesteuerte oder geregelte Antrieb als Überlagerungsantrieb der Walzen (4) betrieben wird. - Verfahren nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass die Rohrluppe (3) und/oder das Rohr (1) einer Kühlung mit flüssigem Kühlmedium unterzogen wird. - Planetenschrägwalzwerk (2) zur Herstellung von Rohren (1) aus metallischem Werkstoff, das eine Anzahl Walzen (4) und ein Innenwerkzeug (5) aufweist, so dass eine Rohrluppe (3) im Spalt zwischen den Walzen (4) und dem Innenwerkzeug (5) zum Rohr (1) gewalzt werden kann, insbesondere zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 8,
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). - Planetenschrägwalzwerk nach Anspruch 9,
dadurch gekennzeichnet, dass die Mittel (10 ) als hydraulischer oder elektrischer Linearaktuator ausgebildet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10316910A DE10316910B3 (de) | 2003-04-12 | 2003-04-12 | Verfahren zur Herstellung von Rohren aus metallischem Werkstoff |
DE10316910 | 2003-04-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1466674A2 true EP1466674A2 (de) | 2004-10-13 |
EP1466674A3 EP1466674A3 (de) | 2005-06-15 |
EP1466674B1 EP1466674B1 (de) | 2006-07-19 |
Family
ID=32798181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04001525A Expired - Lifetime EP1466674B1 (de) | 2003-04-12 | 2004-01-24 | Verfahren und Vorrichtung zur Herstellung eines Rohres aus metallischem Werkstoff |
Country Status (9)
Country | Link |
---|---|
US (1) | US6976377B2 (de) |
EP (1) | EP1466674B1 (de) |
JP (1) | JP2004314172A (de) |
KR (1) | KR100602436B1 (de) |
CN (1) | CN1264618C (de) |
AT (1) | ATE333328T1 (de) |
AU (1) | AU2004200873B9 (de) |
CA (1) | CA2463351A1 (de) |
DE (2) | DE10316910B3 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005044777A1 (de) * | 2005-09-20 | 2007-03-29 | Sms Meer Gmbh | Verfahren und Walzwerk zur Herstellung eines nahtlosen Rohres |
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 (de) * | 2010-03-02 | 2011-09-08 | Sms Meer Gmbh | Warmwerkzeug und Verfahren zu seiner Herstellung |
DE102012008803A1 (de) * | 2012-05-07 | 2013-11-07 | Kocks Technik Gmbh & Co. Kg | Schrägwalzwerk und Verfahren zum Hohlwalzen von Rundblöcken oder Rundstangen oder Walzen hohlgewalzter oder gelochter Rohlinge |
DE102018003434A1 (de) * | 2018-04-27 | 2019-10-31 | Sms Group Gmbh | Schrägwalzwerk mit hydraulischer Walzenanstellung |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2657839A1 (de) * | 1976-12-21 | 1978-06-22 | Schloemann Siemag Ag | Walzwerk zum kontinuierlichen auswalzen von rohrluppen zu nahtlosen rohren |
JPS58215209A (ja) * | 1982-06-07 | 1983-12-14 | Kawasaki Heavy Ind Ltd | 継目なし管製造用遊星型傾斜ロ−ル圧延機のマンドレル装置 |
DE3905559A1 (de) * | 1989-02-23 | 1990-08-30 | Esw Roehrenwerke Gmbh | Schraegwalzwerk zur herstellung von nahtlosen rohren |
DE4428530A1 (de) * | 1994-08-12 | 1996-02-22 | Kocks Technik | Verfahren und Walzgerüst zum Schrägwalzen von Rohren |
DE10107567A1 (de) * | 2001-02-17 | 2002-08-29 | Sms Meer Gmbh | Verfahren zum Kaltwalzen von nahtlosen Kupferrohren |
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 (de) * | 1982-06-03 | 1983-12-08 | Kocks Technik Gmbh & Co, 4010 Hilden | Walzwerksanlage mit einem planetenschraegwalzwerk |
DE3432288A1 (de) * | 1984-09-01 | 1986-03-13 | Kocks Technik Gmbh & Co, 4010 Hilden | Verfahren und anlage zum herstellen nahtloser rohre |
DE3622678A1 (de) * | 1985-07-12 | 1987-01-15 | Kocks Technik | Verfahren und vorrichtung zum querwalzen nahtloser rohrluppen |
DE4323840A1 (de) * | 1993-07-16 | 1995-01-19 | Schumag Ag | Verfahren zur Innenprofilierung von Rohren und Einrichtung zur Durchführung des Verfahrens |
DE50108219D1 (de) * | 2000-06-14 | 2006-01-05 | Sms Demag Ag | Verfahren zum Walzen von Rohrluppen in einem Planetenschrägwalzwerk |
-
2003
- 2003-04-12 DE DE10316910A patent/DE10316910B3/de not_active Expired - Fee Related
- 2003-12-30 KR KR1020030099582A patent/KR100602436B1/ko not_active IP Right Cessation
-
2004
- 2004-01-24 AT AT04001525T patent/ATE333328T1/de not_active IP Right Cessation
- 2004-01-24 EP EP04001525A patent/EP1466674B1/de not_active Expired - Lifetime
- 2004-01-24 DE DE502004000968T patent/DE502004000968D1/de not_active Expired - Fee Related
- 2004-02-12 CN CNB2004100039775A patent/CN1264618C/zh 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/ja 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 (de) * | 1976-12-21 | 1978-06-22 | Schloemann Siemag Ag | Walzwerk zum kontinuierlichen auswalzen von rohrluppen zu nahtlosen rohren |
JPS58215209A (ja) * | 1982-06-07 | 1983-12-14 | Kawasaki Heavy Ind Ltd | 継目なし管製造用遊星型傾斜ロ−ル圧延機のマンドレル装置 |
DE3905559A1 (de) * | 1989-02-23 | 1990-08-30 | Esw Roehrenwerke Gmbh | Schraegwalzwerk zur herstellung von nahtlosen rohren |
DE4428530A1 (de) * | 1994-08-12 | 1996-02-22 | Kocks Technik | Verfahren und Walzgerüst zum Schrägwalzen von Rohren |
DE10107567A1 (de) * | 2001-02-17 | 2002-08-29 | Sms Meer Gmbh | Verfahren zum Kaltwalzen von nahtlosen Kupferrohren |
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 |
---|---|
AU2004200873B2 (en) | 2006-08-31 |
US6976377B2 (en) | 2005-12-20 |
DE10316910B3 (de) | 2004-09-02 |
JP2004314172A (ja) | 2004-11-11 |
ATE333328T1 (de) | 2006-08-15 |
CA2463351A1 (en) | 2004-10-12 |
EP1466674B1 (de) | 2006-07-19 |
KR100602436B1 (ko) | 2006-07-19 |
DE502004000968D1 (de) | 2006-08-31 |
AU2004200873B9 (en) | 2007-03-22 |
EP1466674A3 (de) | 2005-06-15 |
AU2004200873A1 (en) | 2004-10-28 |
CN1264618C (zh) | 2006-07-19 |
US20040200249A1 (en) | 2004-10-14 |
CN1535774A (zh) | 2004-10-13 |
KR20040089436A (ko) | 2004-10-21 |
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