EP2036628A1 - Procédé et dispositif de fabrication d'une pièce à usiner comprenant des courbures à l'aide d'un fluide sous pression - Google Patents

Procédé et dispositif de fabrication d'une pièce à usiner comprenant des courbures à l'aide d'un fluide sous pression Download PDF

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Publication number
EP2036628A1
EP2036628A1 EP08016051A EP08016051A EP2036628A1 EP 2036628 A1 EP2036628 A1 EP 2036628A1 EP 08016051 A EP08016051 A EP 08016051A EP 08016051 A EP08016051 A EP 08016051A EP 2036628 A1 EP2036628 A1 EP 2036628A1
Authority
EP
European Patent Office
Prior art keywords
workpiece
tool
pressure medium
base plate
halves
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
Application number
EP08016051A
Other languages
German (de)
English (en)
Other versions
EP2036628B1 (fr
Inventor
Bernd Schulze
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.)
fischer Hydroforming GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2036628A1 publication Critical patent/EP2036628A1/fr
Application granted granted Critical
Publication of EP2036628B1 publication Critical patent/EP2036628B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21D26/047—Mould construction
    • 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
    • B21D26/039—Means for controlling the clamping or opening of the moulds
    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • B21D39/20—Tube expanders with mandrels, e.g. expandable
    • B21D39/203—Tube expanders with mandrels, e.g. expandable expandable by fluid or elastic material

Definitions

  • the ends of the workpiece sealingly engage in a recess of the hydroforming die enclosing a cone, wherein subsequently a pressure medium for generating an internal pressure in the hollow profile-shaped workpiece to be deformed is fed in through a feed provided in the first tool half.
  • a pressure medium for generating an internal pressure in the hollow profile-shaped workpiece to be deformed is fed in through a feed provided in the first tool half.
  • a corresponding pressure booster is required to increase the internal pressure.
  • the tool halves continue to press together under pressure until the tool is closed, whereby the workpiece has created to realize its final shape of the engraving / negative mold of the tool.
  • a vent hole for the pressure medium is in the second mold half, which may be a virtually incompressible liquid, such as water or a water-oil mixture.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP08016051A 2007-09-12 2008-09-11 Procédé et dispositif de fabrication d'une pièce à usiner comprenant des courbures à l'aide d'un fluide sous pression Not-in-force EP2036628B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007043316A DE102007043316B4 (de) 2007-09-12 2007-09-12 Verfahren und Vorrichtung zur Herstellung eines Ausbuchtungen aufweisenden Werkstückes mittels eines Druckmediums

Publications (2)

Publication Number Publication Date
EP2036628A1 true EP2036628A1 (fr) 2009-03-18
EP2036628B1 EP2036628B1 (fr) 2010-05-05

Family

ID=40223746

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08016051A Not-in-force EP2036628B1 (fr) 2007-09-12 2008-09-11 Procédé et dispositif de fabrication d'une pièce à usiner comprenant des courbures à l'aide d'un fluide sous pression

Country Status (4)

Country Link
EP (1) EP2036628B1 (fr)
AT (1) ATE466675T1 (fr)
DE (2) DE102007043316B4 (fr)
ES (1) ES2345853T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2272601A1 (fr) * 2009-06-22 2011-01-12 Benteler Automobiltechnik GmbH Procédé d'hydroformage
CN102423784A (zh) * 2011-11-08 2012-04-25 哈尔滨工程大学 基于弹性介质的形状记忆合金管接头扩径装置及方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011052888A1 (de) * 2011-08-22 2013-02-28 Benteler Automobiltechnik Gmbh Verfahren zur Umformung eines Hohlprofils für ein Kraftfahrzeug
DE102011116993B4 (de) 2011-10-26 2024-07-25 Cellcentric Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung eines metallischen Folienbauteiles, insbesondere einer Brennstoffzellenkomponente

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0985465A2 (fr) * 1998-09-09 2000-03-15 Kabushiki Kaisha Opton Dispositif et procédé de déformation
EP0726823B1 (fr) * 1993-11-03 2000-06-28 Magna IHV Gesellschaft für Innenhochdruckverfahren MBH Procede pour le formage par haute pression interne d'arbres creux etages en metal faconnable a froid
DE10357341A1 (de) * 2003-12-09 2005-07-14 Daimlerchrysler Ag Vorrichtung zur Innenhochdruckumformung eines Rohlings
EP1586392A1 (fr) * 2002-11-08 2005-10-19 Sumitomo Pipe & Tube Co., Ltd. Tuyau a element deforme pour gonflement hydraulique, dispositif de gonflement hydraulique utilisant le tuyau a element, procede de gonflement hydraulique utilisant le tuyau a element, et article gonfle par commande hydraulique
DE102005036419A1 (de) 2005-07-29 2007-02-01 Tower Automotive Hydroforming Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung eines ausgebauchten Hohlprofils, insbesondere eines Gasgeneratorgehäuses für eine Airbageinrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3625040A (en) * 1969-08-06 1971-12-07 Koppy Tool Corp Method and apparatus for forming articles from a tubular blank
DE4017072A1 (de) * 1990-05-26 1991-11-28 Benteler Werke Ag Verfahren zum hydraulischen umformen eines rohrfoermigen hohlkoerpers und vorrichtung zur durchfuehrung des verfahrens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0726823B1 (fr) * 1993-11-03 2000-06-28 Magna IHV Gesellschaft für Innenhochdruckverfahren MBH Procede pour le formage par haute pression interne d'arbres creux etages en metal faconnable a froid
EP0985465A2 (fr) * 1998-09-09 2000-03-15 Kabushiki Kaisha Opton Dispositif et procédé de déformation
EP1586392A1 (fr) * 2002-11-08 2005-10-19 Sumitomo Pipe & Tube Co., Ltd. Tuyau a element deforme pour gonflement hydraulique, dispositif de gonflement hydraulique utilisant le tuyau a element, procede de gonflement hydraulique utilisant le tuyau a element, et article gonfle par commande hydraulique
DE10357341A1 (de) * 2003-12-09 2005-07-14 Daimlerchrysler Ag Vorrichtung zur Innenhochdruckumformung eines Rohlings
DE102005036419A1 (de) 2005-07-29 2007-02-01 Tower Automotive Hydroforming Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung eines ausgebauchten Hohlprofils, insbesondere eines Gasgeneratorgehäuses für eine Airbageinrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2272601A1 (fr) * 2009-06-22 2011-01-12 Benteler Automobiltechnik GmbH Procédé d'hydroformage
CN102423784A (zh) * 2011-11-08 2012-04-25 哈尔滨工程大学 基于弹性介质的形状记忆合金管接头扩径装置及方法

Also Published As

Publication number Publication date
EP2036628B1 (fr) 2010-05-05
DE102007043316B4 (de) 2009-08-20
ATE466675T1 (de) 2010-05-15
DE102007043316A1 (de) 2009-03-19
ES2345853T3 (es) 2010-10-04
DE502008000612D1 (de) 2010-06-17

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