ATE364460T1 - METHOD AND DEVICE FOR INTERNAL HIGH PRESSURE FORMING A HOLLOW BODY WITH AT LEAST ONE BRANCH - Google Patents

METHOD AND DEVICE FOR INTERNAL HIGH PRESSURE FORMING A HOLLOW BODY WITH AT LEAST ONE BRANCH

Info

Publication number
ATE364460T1
ATE364460T1 AT04425207T AT04425207T ATE364460T1 AT E364460 T1 ATE364460 T1 AT E364460T1 AT 04425207 T AT04425207 T AT 04425207T AT 04425207 T AT04425207 T AT 04425207T AT E364460 T1 ATE364460 T1 AT E364460T1
Authority
AT
Austria
Prior art keywords
hollow body
branch
high pressure
pressure forming
internal high
Prior art date
Application number
AT04425207T
Other languages
German (de)
Inventor
Rosanna Brun
Marco Colosseo
Original Assignee
Fiat Ricerche
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 Fiat Ricerche filed Critical Fiat Ricerche
Application granted granted Critical
Publication of ATE364460T1 publication Critical patent/ATE364460T1/en

Links

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
    • B21D26/035—Deforming tubular bodies including an additional treatment performed by fluid pressure, e.g. perforating

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

A method and an apparatus for hydroforming a hollow body (4) with at least a branch portion (24) includes a step of hydroforming a protrusion on a wall of a hollow body, which protrusion is for defining the branch portion, a step of shearing the end wall (22a) of the protrusion (22) and a step of outwardly deforming the circumferential edge of the opening (22b) formed by the shearing step, all the above mentioned steps being performed within a hydroforming die.
AT04425207T 2004-03-24 2004-03-24 METHOD AND DEVICE FOR INTERNAL HIGH PRESSURE FORMING A HOLLOW BODY WITH AT LEAST ONE BRANCH ATE364460T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04425207A EP1579931B1 (en) 2004-03-24 2004-03-24 Method for hydroforming a hollow body having at least a branch portion, and apparatus used for carrying out this method

Publications (1)

Publication Number Publication Date
ATE364460T1 true ATE364460T1 (en) 2007-07-15

Family

ID=34854755

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04425207T ATE364460T1 (en) 2004-03-24 2004-03-24 METHOD AND DEVICE FOR INTERNAL HIGH PRESSURE FORMING A HOLLOW BODY WITH AT LEAST ONE BRANCH

Country Status (3)

Country Link
EP (1) EP1579931B1 (en)
AT (1) ATE364460T1 (en)
DE (1) DE602004006956T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2745951B1 (en) 2012-12-20 2014-11-19 C.R.F. Società Consortile per Azioni Method for producing a camshaft for an internal combustion engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB470485A (en) * 1935-04-02 1937-08-13 Edward Shelton Cornell Jr Method of producing integral metal pipe fittings
DE19530056B4 (en) * 1995-08-16 2004-09-09 Schuler Hydroforming Gmbh & Co. Kg Method and device for producing T-shaped or at least one dome-like hollow body
DE19751402A1 (en) * 1997-11-14 1999-06-02 Mannesmann Ag Method and device for producing a branch on a hollow profile
FR2787357B1 (en) * 1998-12-18 2001-03-16 Tubes Et Formes METHOD AND APPARATUS FOR HYDROFORMING AN INCLINED PIPE FROM A METAL TUBE
DE19909928C2 (en) * 1999-01-20 2001-08-30 Audi Ag Device for partially or completely cutting a workpiece
JP2001286947A (en) * 2000-03-31 2001-10-16 Kawasaki Hydromechanics Corp Bulged end part forming method for tube hydroforming

Also Published As

Publication number Publication date
DE602004006956T2 (en) 2007-10-18
EP1579931B1 (en) 2007-06-13
EP1579931A1 (en) 2005-09-28
DE602004006956D1 (en) 2007-07-26

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