EP0726823B1 - Procede pour le formage par haute pression interne d'arbres creux etages en metal faconnable a froid - Google Patents

Procede pour le formage par haute pression interne d'arbres creux etages en metal faconnable a froid Download PDF

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Publication number
EP0726823B1
EP0726823B1 EP95900062A EP95900062A EP0726823B1 EP 0726823 B1 EP0726823 B1 EP 0726823B1 EP 95900062 A EP95900062 A EP 95900062A EP 95900062 A EP95900062 A EP 95900062A EP 0726823 B1 EP0726823 B1 EP 0726823B1
Authority
EP
European Patent Office
Prior art keywords
tube
internal
pressure
high pressure
pct
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
Application number
EP95900062A
Other languages
German (de)
English (en)
Other versions
EP0726823A1 (fr
Inventor
Friedrich Klaas
Helmut Bögel
Georg Weber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magna IHV Gesellschaft fur Innenhochdruck Verfahren mbH
Original Assignee
Weber Georg
Magna IHV Gesellschaft fur Innenhochdruck Verfahren mbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Weber Georg, Magna IHV Gesellschaft fur Innenhochdruck Verfahren mbH filed Critical Weber Georg
Publication of EP0726823A1 publication Critical patent/EP0726823A1/fr
Application granted granted Critical
Publication of EP0726823B1 publication Critical patent/EP0726823B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • Document US-A-4,730,474 discloses a method of Relieving residual stress in a metal pipe. To do this a pipe by applying an axial pressure load in Longitudinal axis direction deformed, one compared to the internal high pressure reduced pressure of a fluid during forming inside the metal pipe is applied to the friction between the forming tool and the outer surface of the tube to reduce.
  • the method according to the invention is particularly suitable for such hollow shafts as e.g. in application DE 40 07 284 A1 are described. Here it is e.g. around Drive shafts of a motor vehicle with a central tube area larger outside diameter with thin wall thickness and bilaterally formed end areas with thicker Wall thickness. The wall thickness differences on these waves and the free flare length exceeds that of Hydroforming known process limits by a Multiples.
  • the first part of the task is solved in that the two Forming phases a third according to Fig. S added becomes.
  • the high calibration pressure is maintained in phase 3 or even increased.
  • This high internal pressure enables one Pushing the pipe ends together without wrinkling in the Pipe wall.
  • Such a process can be done by appropriate Implement control technology of the forming machine.
  • a suitable one Pipe wall thickness So you have to choose the optimal one Wall thickness gradation of the thinner expansion area and the to achieve a thick end region.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Forging (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Measuring Fluid Pressure (AREA)

Claims (2)

  1. Procédé de formage sous haute pression interne de corps étagés creux formés d'un métal déformable à froid, comportant les étapes suivantes:
    a) insertion d'une pièce tubulaire de départ possédant une épaisseur de paroi prédéterminée (So) dans un outil, qui comporte des outils intérieurs servant à supporter la pièce tubulaire de départ à mettre en forme;
    b) fermeture étanche du tronçon de tube à élargir;
    c) remplissage de la pièce tubulaire de départ avec un fluide;
    d) application d'une pression interne élevée convenant pour l'élargissement du tronçon du tube ;
    e) calibrage de la pièce à traiter par application d'une pression de calibrage intense;
    caractérisé en ce que
    pour la formation d'arbres creux possédant un tronçon intérieur élargi jusqu'à deux fois le diamètre du tronçon d'extrémité
    on prévoit les étapes suivantes:
    f) maintien ou accroissement de la pression de calibrage moyennant un refoulement du tube dans la direction de l'axe longitudinal, et de ce fait,
    g) augmentation de l'épaisseur de la paroi du tube au moins sur les côtés opposés du tronçon élargi du tube de manière qu'elle soit supérieure à l'épaisseur (So) de la paroi de la pièce tubulaire de départ.
  2. Procédé selon la revendication 1, caractérisé en ce que les outils inernes sont des outils suspendus sur ressort.
EP95900062A 1993-11-03 1994-11-03 Procede pour le formage par haute pression interne d'arbres creux etages en metal faconnable a froid Expired - Lifetime EP0726823B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4337517A DE4337517A1 (de) 1993-11-03 1993-11-03 Verfahren zum Innenhochdruck-Umformen von hohlen abgesetzten Wellen aus kaltumformbarem Metall
DE4337517 1993-11-03
PCT/DE1994/001300 WO1995012466A1 (fr) 1993-11-03 1994-11-03 Procede pour le formage par haute pression interne d'arbres creux etages en metal façonnable a froid

Publications (2)

Publication Number Publication Date
EP0726823A1 EP0726823A1 (fr) 1996-08-21
EP0726823B1 true EP0726823B1 (fr) 2000-06-28

Family

ID=6501700

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95900062A Expired - Lifetime EP0726823B1 (fr) 1993-11-03 1994-11-03 Procede pour le formage par haute pression interne d'arbres creux etages en metal faconnable a froid

Country Status (10)

Country Link
US (1) US5802899A (fr)
EP (1) EP0726823B1 (fr)
JP (1) JPH09504478A (fr)
KR (1) KR960705640A (fr)
CN (1) CN1057029C (fr)
AT (1) ATE194092T1 (fr)
CA (1) CA2175822A1 (fr)
DE (2) DE4337517A1 (fr)
ES (1) ES2147279T3 (fr)
WO (1) WO1995012466A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2036628A1 (fr) * 2007-09-12 2009-03-18 Bernd Schulze Procédé et dispositif de fabrication d'une pièce à usiner comprenant des courbures à l'aide d'un fluide sous pression

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4437395A1 (de) * 1994-10-19 1996-05-02 Werdau Fahrzeugwerk Verfahren zum Anstauchen von Rohrenden und Vorrichtung zur Durchführung des Verfahrens
DE19650736C1 (de) * 1996-12-06 1998-09-24 Schmidt & Co Gmbh Kranz Verfahren zur Verformung von dickwandigen Bauteilen
DE19727599B4 (de) * 1997-06-28 2007-08-02 Volkswagen Ag Verfahren zur Herstellung von Metallrädern
JP3206505B2 (ja) * 1997-08-06 2001-09-10 住友金属工業株式会社 金属管の液圧バルジ加工方法および液圧バルジ加工装置
US6237382B1 (en) * 1997-08-06 2001-05-29 Sumitomo Metal Industries, Ltd. Method and apparatus for hydroforming metallic tube
GB2332163B (en) * 1997-12-13 2002-03-13 Gkn Sankey Ltd A hydroforming process
DE19915383B4 (de) * 1999-04-06 2004-07-22 Amborn, Peter, Dr.-Ing. Hydroformverfahren
WO2001088384A1 (fr) * 2000-05-12 2001-11-22 Ptc Alliance, Inc. Ebauches de tubes pour hydroformage
DE10042700C2 (de) * 2000-08-31 2002-10-17 Mtu Friedrichshafen Gmbh Verfahren zur plastischen Verformung einer Nabenbohrung eines schnelllaufenden Turbomaschinenteils
US6912884B2 (en) * 2001-06-25 2005-07-05 Mohamed T. Gharib Hydroforming process and apparatus for the same
DE10215442B4 (de) * 2002-04-09 2004-02-19 Thyssenkrupp Stahl Ag Dreidimensionale Knotenstruktur
US7059033B2 (en) 2004-01-30 2006-06-13 General Motors Corporation Method of forming thickened tubular members
KR20120116993A (ko) * 2007-04-18 2012-10-23 신닛뽄세이테쯔 카부시키카이샤 하이드로 포밍 가공 방법
US8505349B2 (en) * 2011-05-11 2013-08-13 Ford Global Technologies, Llc Method and apparatus for hydro-forming an elongated tubular member
CN102658321A (zh) * 2012-03-29 2012-09-12 佛山市顺德区燉煌五金塑料实业有限公司 三通挤压成形方法
CN106311857B (zh) * 2015-12-21 2017-11-07 青岛世冠装备科技有限公司 一种复杂截面中空构件低压镦胀成形方法
DE102016013989B4 (de) 2016-11-23 2019-08-01 Wvl-Werkzeug- Und Vorrichtungsbau Lichtenstein Gmbh Verfahren und Werkzeug zur Umformung von Rohr-Fertigteilen mit aufgeweiteten maßvergrößerten Rohrabschnitten
CN111168339A (zh) * 2020-01-15 2020-05-19 芜湖三联锻造股份有限公司 一种汽车传动轴及其旋压成型工艺
DE102022205009A1 (de) 2022-05-19 2023-11-23 Robert Bosch Gesellschaft mit beschränkter Haftung Pumpenvorrichtung und Pumpe

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892254A (en) * 1953-06-08 1959-06-30 American Radiator & Standard Method of making cam shafts
GB947546A (en) * 1961-03-02 1964-01-22 Monoweld Engineering Company P Improvements in or relating to the shaping of hollow metal articles
NL136743C (fr) * 1965-06-03
US3845667A (en) * 1969-03-01 1974-11-05 Kloeckner Humboldt Deutz Ag Fabricated tube control cam shafts
DE2442801A1 (de) * 1974-09-06 1976-03-25 Tokyu Car Corp Hydraulische schlagpresse, insbesondere zum verformen duennwandiger gegenstaende
DE2935086C2 (de) * 1979-08-28 1982-04-01 Mannesmann AG, 4000 Düsseldorf Verfahren und Vorrichtung zur Herstellung von abgesetzten Hohlkörpern stark unterschiedlicher Querschnittsformen
SU1148663A1 (ru) * 1982-09-10 1985-04-07 Научно-исследовательский и опытно-конструкторский институт автоматизации черной металлургии Способ правки длинномерного проката
JPS61227126A (ja) * 1985-04-01 1986-10-09 Hitachi Ltd 金属管の残留応力除去方法
JPS61266132A (ja) * 1985-05-21 1986-11-25 Musashi Seimitsu Ind Co Ltd 組立カムシヤフトの製造方法
DE3820952A1 (de) * 1988-06-16 1989-12-21 Mannesmann Ag Verfahren und vorrichtung zum hydraulischen aufweiten von hohlprofilen
DE9007617U1 (de) * 1990-03-08 1993-04-01 Gkn Automotive Ag, 53721 Siegburg Antriebswelle
DE4201819A1 (de) * 1991-01-28 1992-07-30 Mannesmann Ag Verfahren und vorrichtung zum hydraulischen aufweiten von rohrfoermigen hohlprofilen
DE4103082A1 (de) * 1991-02-01 1992-08-27 Eichelberg & Co Gmbh H D Verfahren zum hydrostatischen umformen von hohlkoerpern aus kaltumformbarem metall und vorrichtung zur durchfuehrung des verfahrens
US5214948A (en) * 1991-12-18 1993-06-01 The Boeing Company Forming metal parts using superplastic metal alloys and axial compression
DE4427201C2 (de) * 1993-11-26 1996-09-12 Ges Innenhochdruckverfahren Verfahren zur Herstellung von hohlen Nockenwellen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2036628A1 (fr) * 2007-09-12 2009-03-18 Bernd Schulze Procédé et dispositif de fabrication d'une pièce à usiner comprenant des courbures à l'aide d'un fluide sous pression

Also Published As

Publication number Publication date
CN1057029C (zh) 2000-10-04
EP0726823A1 (fr) 1996-08-21
DE4337517A1 (de) 1995-05-04
US5802899A (en) 1998-09-08
ES2147279T3 (es) 2000-09-01
KR960705640A (ko) 1996-11-08
CA2175822A1 (fr) 1995-05-11
ATE194092T1 (de) 2000-07-15
DE59409414D1 (de) 2000-08-03
CN1134124A (zh) 1996-10-23
WO1995012466A1 (fr) 1995-05-11
JPH09504478A (ja) 1997-05-06

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