EP1184101A2 - Verfahren zum Verformen von rohrförmigen Hohlkörpern aus Metall - Google Patents
Verfahren zum Verformen von rohrförmigen Hohlkörpern aus Metall Download PDFInfo
- Publication number
- EP1184101A2 EP1184101A2 EP01117698A EP01117698A EP1184101A2 EP 1184101 A2 EP1184101 A2 EP 1184101A2 EP 01117698 A EP01117698 A EP 01117698A EP 01117698 A EP01117698 A EP 01117698A EP 1184101 A2 EP1184101 A2 EP 1184101A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow body
- tubular hollow
- soft
- annealed
- hydroforming
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
Definitions
- the invention relates to a method for deforming tubular hollow bodies made of metal according to the preamble of claim 1.
- the invention has for its object larger To enable changes in the cross section.
- the processing phases partially mechanically expanding and / or mechanically partial reduction and soft annealing several times in succession be performed. This allows even larger ones Achieve forming paths.
- tubular hollow body can also be in front of the upstream processing phase are soft annealed. This also strengthens the Forming process to a closed tube eliminated a high deformation reserve for the upstream Machining phases achieved.
- the partial expansion and / or reduction of tubular hollow body can be in those places be made on which the greatest change of the Cross section after hydroforming compared to Output cross section occurs.
- the starting point is a tubular hollow body 10 Aluminum with constant circular Cross-sectional area, as shown in a).
- This hollow body 10 is now a Machining tool partially expanded, here by a conical mandrel 12 which axially in the hollow body 10th is driven.
- a conical mandrel 12 which axially in the hollow body 10th is driven.
- a expandable mandrel are used which first introduced then spread and then axially over a limited Route is driven further.
- the expanded hollow body 10 ' like shown at b), at about 300 degrees Celsius annealed.
- hydroforming takes place in a die 14.
- the expanded hollow body 10 'according to c) in the Die 14 used the interior of which is future Represent external dimensions of the hollow body 10 '.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Forging (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Description
Claims (5)
- Verfahren zum Verformen von rohrförmigen Hohlkörpern (10) aus Metall, insbesondere aus Aluminium, wobei nach Umformen eines plattenförmigen Halbzeugs zu einem geschlossenen Querschnittsprofil und Längsnahtschweißung der gegenüberliegenden Kanten des Halbzeugs der gebildete rohrförmige Hohlkörper weichgeglüht und schließlich in einem Gesenk (14) durch ein in den Hohlkörper (10) eingeleitetes Medium hydroumgeformt wird, dadurch gekennzeichnet, dass der rohrförmige Hohlkörper (10) in einer vorgeschalteten Bearbeitungsphase erst mechanisch partiell aufgeweitet und/oder mechanisch partiell reduziert wird und anschließend weichgeglüht wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Bearbeitungsphasen mechanisch partiell Aufweiten und/oder mechanisch partiell Reduzieren und anschließendes Weichglühen mehrfach nacheinander durchgeführt werden.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der rohrförmige Hohlkörper (10) auch vor der vorgeschalteten Bearbeitungsphase weichgeglüht wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die partielle Aufweitung und/oder Reduzierung des rohrförmigen Hohlkörpers an denjenigen Stellen vorgenommen wird, an denen die größte Änderung des Querschnittes nach dem Hydroumformen gegenüber dem Ausgangsquerschnitt auftritt.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass zwischen der Bearbeitungsphase Weichglühen und Hydroumformen weitere Bearbeitungsphasen, wie mechanisches Biegen und mechanisches Vorformen vorgenommen werden.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10042465A DE10042465C2 (de) | 2000-08-29 | 2000-08-29 | Verfahren zum Verformen von rohrförmigen Hohlkörpern aus Metall |
DE10042465 | 2000-08-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1184101A2 true EP1184101A2 (de) | 2002-03-06 |
EP1184101A3 EP1184101A3 (de) | 2002-12-11 |
EP1184101B1 EP1184101B1 (de) | 2006-07-05 |
Family
ID=7654222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01117698A Expired - Lifetime EP1184101B1 (de) | 2000-08-29 | 2001-07-25 | Verfahren zum Verformen von rohrförmigen Hohlkörpern aus Metall |
Country Status (6)
Country | Link |
---|---|
US (1) | US6826943B2 (de) |
EP (1) | EP1184101B1 (de) |
AT (1) | ATE332198T1 (de) |
DE (2) | DE10042465C2 (de) |
DK (1) | DK1184101T3 (de) |
ES (1) | ES2267636T3 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003004190A1 (en) * | 2001-07-05 | 2003-01-16 | Magna Structural Systems Inc. | Method for expanding a tubular blank |
WO2003101790A1 (de) * | 2002-06-03 | 2003-12-11 | Ulrich Huperz Schweisstechnik Gmbh & Co. Kg | Verfahren zum herstellen eines lanzenanfangs eines gasleitsystems |
WO2012065739A1 (de) * | 2010-11-19 | 2012-05-24 | Thyssenkrupp Presta Teccenter Ag | Verfahren und vorrichtung zur herstellung eines hohlen bauteils und ein hohles bauteil |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI111347B (fi) * | 2000-01-28 | 2003-07-15 | Uponor Innovation Ab | Menetelmä ja laitteisto muhvillisen putken muodostamiseksi ja muhvillinen putki |
DE10058592A1 (de) * | 2000-11-25 | 2002-06-06 | Bosch Gmbh Robert | Werkstück |
GB2380958B (en) * | 2001-10-18 | 2004-12-15 | Dana Corp | Method of manufacturing an axially collapsible driveshaft |
US7140226B2 (en) * | 2002-08-05 | 2006-11-28 | Giant Manufacturing Co., Ltd. | Methods for making a bicycle frame part having a disproportionally enlarged end section |
US7431317B2 (en) * | 2002-08-05 | 2008-10-07 | Giant Manufacturing Co., Ltd. | Bicycle frame part having a disproportionally enlarged end section and process for making the same |
US7128558B2 (en) * | 2002-08-09 | 2006-10-31 | The Boeing Company | Post-forming of thermoplastic ducts |
US7827839B2 (en) * | 2002-11-08 | 2010-11-09 | Sumitomo Metal Industries, Ltd. | Profile element pipe for hydraulic bulging, hydraulic bulging device using the element pipe, hydraulic bulging method using the element pipe, and hydraulically bulged product |
DE10312028B4 (de) * | 2003-03-18 | 2005-07-28 | Tower Automotive Hydroforming Gmbh & Co. Kg | Verfahren zur Herstellung von Bauteilen |
DE102005007997B3 (de) * | 2005-02-19 | 2005-12-08 | Tower Automotive Hydroforming Gmbh & Co. Kg | Verfahren und Einrichtung zur Herstellung von Bauteilen |
US20070187437A1 (en) * | 2006-02-10 | 2007-08-16 | Nordson Corporation | Dispensing tip for liquid dispensing systems and method of making the same |
US7421359B2 (en) * | 2006-06-05 | 2008-09-02 | Seagate Technology Llc | Detecting back electromotive force voltage |
DE102007037835B3 (de) * | 2007-08-10 | 2009-02-12 | Deutsches Elektronen-Synchrotron Desy | Verfahren und Vorrichtung zur Herstellung von schweissnahtlosen Hochfrequenzresonatoren |
DE102008046052B4 (de) | 2008-09-08 | 2011-10-20 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung eines rohrförmigen Stabilisators |
DE102013109880B4 (de) | 2012-09-10 | 2016-11-03 | National Research Council Of Canada | Reibungsarmer Endennachschub beim Innenhochdruckumformen |
CN104646480B (zh) * | 2015-03-02 | 2016-09-28 | 安徽工业大学 | 一种轻合金变径管成形的方法及装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1175592A1 (ru) * | 1984-02-22 | 1985-08-30 | Anatolij G Pashkevich | "cпocoб шtamпobkи пoлыx дetaлeй из tpубhыx зaгotobok" |
EP0372360A2 (de) * | 1988-12-05 | 1990-06-13 | Rainer Dipl.-Ing. Kuhn | Verfahren zur Herstellung von rohrartigen Bauteilen |
EP0548859A1 (de) * | 1991-12-20 | 1993-06-30 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Herstellen von Fahrwerksträgern |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1980264A (en) * | 1932-01-16 | 1934-11-13 | Fulton Sylphon Co | Method of corrugating tubes |
US3247581A (en) * | 1962-02-05 | 1966-04-26 | Calumet & Hecla | Method of forming a conduit bend |
GB1370700A (en) * | 1972-03-18 | 1974-10-16 | Gen Motors Ltd | Forming transverse corrugations in a tubular blank |
DE4427201C2 (de) * | 1993-11-26 | 1996-09-12 | Ges Innenhochdruckverfahren | Verfahren zur Herstellung von hohlen Nockenwellen |
US6260401B1 (en) * | 1997-12-15 | 2001-07-17 | Bestex Kyoei Co., Ltd. | Method of molding high expansion pipe and the high expansion pipe |
-
2000
- 2000-08-29 DE DE10042465A patent/DE10042465C2/de not_active Revoked
-
2001
- 2001-07-25 ES ES01117698T patent/ES2267636T3/es not_active Expired - Lifetime
- 2001-07-25 AT AT01117698T patent/ATE332198T1/de not_active IP Right Cessation
- 2001-07-25 DE DE50110386T patent/DE50110386D1/de not_active Expired - Lifetime
- 2001-07-25 DK DK01117698T patent/DK1184101T3/da active
- 2001-07-25 EP EP01117698A patent/EP1184101B1/de not_active Expired - Lifetime
- 2001-08-28 US US09/942,268 patent/US6826943B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1175592A1 (ru) * | 1984-02-22 | 1985-08-30 | Anatolij G Pashkevich | "cпocoб шtamпobkи пoлыx дetaлeй из tpубhыx зaгotobok" |
EP0372360A2 (de) * | 1988-12-05 | 1990-06-13 | Rainer Dipl.-Ing. Kuhn | Verfahren zur Herstellung von rohrartigen Bauteilen |
EP0548859A1 (de) * | 1991-12-20 | 1993-06-30 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Herstellen von Fahrwerksträgern |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003004190A1 (en) * | 2001-07-05 | 2003-01-16 | Magna Structural Systems Inc. | Method for expanding a tubular blank |
US7013697B2 (en) | 2001-07-05 | 2006-03-21 | Magna Structural Systems, Inc. | Method for expanding a tubular blank |
CN1313222C (zh) * | 2001-07-05 | 2007-05-02 | 马格纳构造系统公司 | 用于膨胀管坯的方法 |
WO2003101790A1 (de) * | 2002-06-03 | 2003-12-11 | Ulrich Huperz Schweisstechnik Gmbh & Co. Kg | Verfahren zum herstellen eines lanzenanfangs eines gasleitsystems |
WO2012065739A1 (de) * | 2010-11-19 | 2012-05-24 | Thyssenkrupp Presta Teccenter Ag | Verfahren und vorrichtung zur herstellung eines hohlen bauteils und ein hohles bauteil |
Also Published As
Publication number | Publication date |
---|---|
EP1184101B1 (de) | 2006-07-05 |
DE10042465A1 (de) | 2002-03-28 |
ATE332198T1 (de) | 2006-07-15 |
DK1184101T3 (da) | 2006-10-23 |
DE10042465C2 (de) | 2002-08-01 |
US20020073758A1 (en) | 2002-06-20 |
EP1184101A3 (de) | 2002-12-11 |
US6826943B2 (en) | 2004-12-07 |
ES2267636T3 (es) | 2007-03-16 |
DE50110386D1 (de) | 2006-08-17 |
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