EP0894548A3 - Verfahren und Vorrichtung zur Herstellung von Nebenformelementen - Google Patents

Verfahren und Vorrichtung zur Herstellung von Nebenformelementen Download PDF

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Publication number
EP0894548A3
EP0894548A3 EP98113616A EP98113616A EP0894548A3 EP 0894548 A3 EP0894548 A3 EP 0894548A3 EP 98113616 A EP98113616 A EP 98113616A EP 98113616 A EP98113616 A EP 98113616A EP 0894548 A3 EP0894548 A3 EP 0894548A3
Authority
EP
European Patent Office
Prior art keywords
hollow profile
molding element
secondary molding
punch
counter
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
EP98113616A
Other languages
English (en)
French (fr)
Other versions
EP0894548A2 (de
EP0894548B1 (de
Inventor
Arndt Birkert
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP0894548A2 publication Critical patent/EP0894548A2/de
Publication of EP0894548A3 publication Critical patent/EP0894548A3/de
Application granted granted Critical
Publication of EP0894548B1 publication Critical patent/EP0894548B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B21D26/037—Forming branched tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/29—Making branched pieces, e.g. T-pieces
    • B21C37/294—Forming collars by compressing a fluid or a yieldable or resilient mass in the tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Forging (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Herstellung von Nebenformelementen wie Aushalsungen, Ausbauchungen, erhabenen länglichen Flachstellen und dergleichen an länglichen, umfänglich geschlossenen Hohlprofilen (1) mittels Innenhochdruckumformen. Das Nebenformelement wird durch Aufweiten des Hohlprofiles mit einem in diesem erzeugten Fluidhochdruck lokal ausgeformt und während des Ausformvorganges von einem mit zunehmender Ausformung nach außen ausweichenden Gegenstempel (13) gesteuert abgestützt. Um eine Erweiterung der Verfahrensgrenzen bei der Herstellung eines Nebenformelementes hinsichtlich einer Vergrößerung seiner Höhe prozeßsicher und in einfacher Weise zu erreichen wird vorgeschlagen, daß das Hohlprofil an der Stelle des zu erzeugenden Nebenformelementes von dem Gegenstempel eingestülpt wird, wonach das Hohlprofilmaterial im Bereich (16) der Einstülpstelle (17) durch Fluidhochdruck am Stempel umfänglich und stirnseitig angepreßt wird. Nach dem Einstülpvorgang wird das Hohlprofil unter Innenhochdruck durch Zurückziehen des ständig am Hohlprofil anliegenden Stempels ausgestülpt und das Nebenformelement (11) gebildet.
EP98113616A 1997-08-02 1998-07-22 Verfahren und Vorrichtung zur Herstellung von Nebenformelementen Expired - Lifetime EP0894548B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19733474 1997-08-02
DE19733474A DE19733474C2 (de) 1997-08-02 1997-08-02 Verfahren und Vorrichtung zur Herstellung von Nebenformelementen an Hohlprofilen

Publications (3)

Publication Number Publication Date
EP0894548A2 EP0894548A2 (de) 1999-02-03
EP0894548A3 true EP0894548A3 (de) 2000-04-19
EP0894548B1 EP0894548B1 (de) 2001-08-29

Family

ID=7837804

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98113616A Expired - Lifetime EP0894548B1 (de) 1997-08-02 1998-07-22 Verfahren und Vorrichtung zur Herstellung von Nebenformelementen

Country Status (4)

Country Link
US (1) US6143235A (de)
EP (1) EP0894548B1 (de)
DE (2) DE19733474C2 (de)
ES (1) ES2162376T3 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10065033C1 (de) * 2000-12-23 2002-07-11 Daimler Chrysler Ag Verfahren zur Herstellung eines umfänglich geschlossenen Hohlprofiles und eine Vorrichtung zur Durchführung desselben
JP2003118595A (ja) 2001-08-06 2003-04-23 Nsk Ltd 車両用ステアリング装置及びその製造方法
DE10162440A1 (de) * 2001-12-19 2003-07-03 Bayerische Motoren Werke Ag Umformpresse
DE10309625B4 (de) * 2003-03-04 2006-04-13 Audi Ag Verfahren zum Einbringen einer Nebenform in ein einen Hohlraum aufweisendes Formteil
US7153127B2 (en) * 2003-05-15 2006-12-26 Graham Packaging Plastic Products Inc. Method and apparatus for blow molding hollow plastic containers
US20050084648A1 (en) * 2003-10-16 2005-04-21 Olsen Robert F. Process for forming a part having an integral feature, a part produced thereby and apparatus therefor
DE10356535B3 (de) 2003-12-04 2004-08-26 Daimlerchrysler Ag Vorrichtung zum Herstellen eines Hohlprofils
US7563403B2 (en) * 2004-07-02 2009-07-21 Graham Packaging Pet Technologies, Inc. Method of reheat blow molding a container
DE102007007383A1 (de) * 2007-02-12 2008-08-14 Asc Umformtechnik Gmbh Verfahren zum Einbringen einer Kerbe oder einer kerbähnlichen Vertiefung in ein Werkstück aus Metall
DE102007017415B4 (de) * 2007-04-13 2016-06-02 Daimler Ag Verbundbauteil aus einem mittels Innenhochdruck umgeformten Hohlprofil und zumindest einem Spritzgusselement

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4928509A (en) * 1987-07-29 1990-05-29 Mitsui & Co., Ltd. Method for manufacturing a pipe with projections
DE9407812U1 (de) * 1994-05-11 1994-07-21 Zeuna-Stärker GmbH & Co KG, 86154 Augsburg Rohrzusammenführung und Vorrichtung zu ihrer Herstellung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1100936B (de) * 1958-07-26 1961-03-02 Kautex Werke Gmbh Verfahren und Vorrichtung zum Herstellen von Tuben aus thermoplastischem Kunststoff
US4510116A (en) * 1983-07-27 1985-04-09 Phillips Petroleum Company Apparatus and method for blow molding
US4938680A (en) * 1988-10-31 1990-07-03 Guarriello Henry J Reverse lip blow molding apparatus
US5202078A (en) * 1991-11-15 1993-04-13 Lerio Corporation Process and apparatus for manufacturing containers with thickened flanges and longitudinal reinforcing ribs and containers thereby
US5469612A (en) * 1993-12-02 1995-11-28 Continental Pet Technologies, Inc. Method for forming a strain-hardenable plastic container
DE19508632C2 (de) * 1995-03-10 2002-09-19 Audi Ag Verfahren zum Verbinden eines ersten Bauteiles mit einem zweiten Bauteil
FR2746339B1 (fr) * 1996-03-22 1998-06-05 Plastic Omnium Cie Procede de fabrication d'un faisceau de tubes accoles, dispositif pour la mise en oeuvre d'un tel procede et faisceau ainsi realise
US5750067A (en) * 1996-10-07 1998-05-12 Hellbrugge; Luiz Henrique Method for blow molding hollow article with annular chime and deeply recessed ends

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4928509A (en) * 1987-07-29 1990-05-29 Mitsui & Co., Ltd. Method for manufacturing a pipe with projections
DE9407812U1 (de) * 1994-05-11 1994-07-21 Zeuna-Stärker GmbH & Co KG, 86154 Augsburg Rohrzusammenführung und Vorrichtung zu ihrer Herstellung

Also Published As

Publication number Publication date
DE59801292D1 (de) 2001-10-04
ES2162376T3 (es) 2001-12-16
DE19733474A1 (de) 1999-02-18
DE19733474C2 (de) 1999-12-09
US6143235A (en) 2000-11-07
EP0894548A2 (de) 1999-02-03
EP0894548B1 (de) 2001-08-29

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