EP1287921A2 - Méthode de fabrication de pièces de travail apres le procédé par haute pression interne - Google Patents

Méthode de fabrication de pièces de travail apres le procédé par haute pression interne Download PDF

Info

Publication number
EP1287921A2
EP1287921A2 EP02018623A EP02018623A EP1287921A2 EP 1287921 A2 EP1287921 A2 EP 1287921A2 EP 02018623 A EP02018623 A EP 02018623A EP 02018623 A EP02018623 A EP 02018623A EP 1287921 A2 EP1287921 A2 EP 1287921A2
Authority
EP
European Patent Office
Prior art keywords
axial
force
internal
hydroforming process
pressure
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.)
Withdrawn
Application number
EP02018623A
Other languages
German (de)
English (en)
Other versions
EP1287921A3 (fr
Inventor
Peter Prof.Dr.-Ing.-Wirtsch.-Ing. Groche
Ralf Dipl.-Ing. Huber
Rainer Dipl.-Ing. Steinheimer
Matthias Dr.-Ing. Prier
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.)
Schuler Hydroforming GmbH and Co KG
Original Assignee
Schuler Hydroforming GmbH and Co KG
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
Priority claimed from DE10211092A external-priority patent/DE10211092A1/de
Application filed by Schuler Hydroforming GmbH and Co KG filed Critical Schuler Hydroforming GmbH and Co KG
Publication of EP1287921A2 publication Critical patent/EP1287921A2/fr
Publication of EP1287921A3 publication Critical patent/EP1287921A3/fr
Withdrawn legal-status Critical Current

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
    • B21D26/041—Means for controlling fluid parameters, e.g. pressure or temperature
    • 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
    • B21D26/043—Means for controlling the axial pusher

Definitions

  • the invention relates to a method for producing workpieces according to the Hydroforming process from a semi-finished product with a process control taking into account the Axialstempelweg or the Axialstkovkaft for the Internal pressure.
  • the invention has for its object a method of the aforementioned To create a way with which the forming process can be improved, in particular enables process control that is significantly more tolerant and robust.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP02018623A 2001-08-30 2002-08-20 Méthode de fabrication de pièces de travail apres le procédé par haute pression interne Withdrawn EP1287921A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10142076 2001-08-30
DE10142076 2001-08-30
DE10211092 2002-03-14
DE10211092A DE10211092A1 (de) 2001-08-30 2002-03-14 Verfahren zum Herstellen von Werkstücken nach dem Innenhochdruck-Umformverfahren

Publications (2)

Publication Number Publication Date
EP1287921A2 true EP1287921A2 (fr) 2003-03-05
EP1287921A3 EP1287921A3 (fr) 2004-03-03

Family

ID=26010009

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02018623A Withdrawn EP1287921A3 (fr) 2001-08-30 2002-08-20 Méthode de fabrication de pièces de travail apres le procédé par haute pression interne

Country Status (1)

Country Link
EP (1) EP1287921A3 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335590A (en) * 1964-08-07 1967-08-15 Boeing Co Accurate control system for axial load bulge forming
GB2326834A (en) * 1996-02-06 1999-01-06 Bas En Basset Soc Ind De Hydro-forming installation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335590A (en) * 1964-08-07 1967-08-15 Boeing Co Accurate control system for axial load bulge forming
GB2326834A (en) * 1996-02-06 1999-01-06 Bas En Basset Soc Ind De Hydro-forming installation

Also Published As

Publication number Publication date
EP1287921A3 (fr) 2004-03-03

Similar Documents

Publication Publication Date Title
DE19530055A1 (de) Verfahren und Vorrichtung zum Herstellen von doppelwandigen Durchbrechungen in Bauteilen nach dem Innenhochdruck-Umformverfahren
DE19614656A1 (de) Verfahren zum Erhöhen der Wandungsstärke bei Hohlprofilen
EP0726823B1 (fr) Procede pour le formage par haute pression interne d'arbres creux etages en metal faconnable a froid
EP3924114B1 (fr) Procédé et dispositif de déformation axiale d'un tube
EP1184101A2 (fr) Procédé pour former des articles tubulaires creux métalliques
DE2642743A1 (de) Verfahren und vorrichtung zum herstellen eines mehrfach gekruemmten rohres
WO2009021838A2 (fr) Profilé creux partiellement renforcé
DE102008014213A1 (de) Verfahren zum Herstellen von Werkstücken aus einem rohrförmigen Hohlprofilrohling durch Beaufschlagung mit einem hohen Innendruck
DE102010015835A1 (de) Verfahren zum maschinellen Herstellen von zylinderförmigen Werkstücken
DE10211092A1 (de) Verfahren zum Herstellen von Werkstücken nach dem Innenhochdruck-Umformverfahren
EP1287921A2 (fr) Méthode de fabrication de pièces de travail apres le procédé par haute pression interne
EP0906800B1 (fr) Méthode et dispositif pour la fabrication des arbres creux ayant des bosses radiales par le procédé de formage par pression interne
WO2009012744A1 (fr) Procédé de fabrication de tubes sans soudure fabriqués thermiquement à propriétés optimisées de fatigue à l'état soudé
EP1000677A2 (fr) Procédé pour former une pièce par application d'une pression intérieure élevée
EP1611973B1 (fr) Procédé de formage de tubes et de fabrication d'arbres creux
DE19751408A1 (de) Verfahren und Vorrichtung zur Herstellung eines Integralgehäuses für Hydrolenkung
EP4112200B1 (fr) Procédé de réduction de la section d'un corps creux tubulaire par formage du corps creux
DE2754443A1 (de) Verfahren zum herstellen von zylindrischen hohlkoerpern und vorrichtung zur durchfuehrung dieses verfahrens
EP1336439A1 (fr) Procédé et dispositif pour la production de pièces par hydroformage
DE10211087A1 (de) Verfahren und Vorrichtung zum Herstellen von Werkstücken nach dem Innenhochdruck-Umformverfahren
DE102005030587B4 (de) Verfahren zum Fügen zweier insbesondere rohrförmiger Bauteile mittels eines wirkmedienbasierten Umformverfahrens
DE102019208800B4 (de) Verfahren zur Herstellung eines Hohlprofilteils
DD232210A1 (de) Verfahren zur profilerzeugung durch abstreckdruecken
WO2003045604A1 (fr) Procede et dispositif pour modifier la forme de tubes
EP2205370B1 (fr) Procede et dispositif de fabrication d'un corps creux et corps creux

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17P Request for examination filed

Effective date: 20040528

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

17Q First examination report despatched

Effective date: 20061227

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20070707