WO2005056373A1 - Élément de carrosserie et procédé de production associé - Google Patents

Élément de carrosserie et procédé de production associé Download PDF

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Publication number
WO2005056373A1
WO2005056373A1 PCT/EP2004/012831 EP2004012831W WO2005056373A1 WO 2005056373 A1 WO2005056373 A1 WO 2005056373A1 EP 2004012831 W EP2004012831 W EP 2004012831W WO 2005056373 A1 WO2005056373 A1 WO 2005056373A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel
casting
steel sheet
body component
sheet
Prior art date
Application number
PCT/EP2004/012831
Other languages
German (de)
English (en)
Inventor
Konrad Eipper
Arndt Gerick
Wolfgang KLEINEKATHÖFER
Klaus Lempenauer
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 WO2005056373A1 publication Critical patent/WO2005056373A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/04—Door pillars ; windshield pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof

Definitions

  • the present invention relates to a body component designed as a thin-walled steel casting for a supporting frame structure of a self-supporting vehicle body.
  • the invention also relates to a method for producing such a body component according to the preamble of claim 5.
  • the body component designed as a thin-walled steel cast part can be a roof rack or a door pillar, in particular an A pillar or a B pillar, of the supporting frame structure.
  • WO 03/031252 AI it is known to design a body component designed as a thin-walled steel cast part in such a way that it has an essentially framework-like shell which is at least partially filled and thus reinforced by a core made from metal foam or from hollow metal spheres.
  • the body component constructed in this way is preferably a roof pillar, in particular an A pillar in a convertible.
  • connection of a body component designed as a steel casting to a support frame structure which also includes body components designed as sheet metal parts, can be difficult with regard to the connection between a cast part and a sheet metal part.
  • body components designed as sheet metal parts can be difficult with regard to the connection between a cast part and a sheet metal part.
  • different materials and / or different surfaces and / or differences in thickness lead to critical connections, the durability of which cannot be easily guaranteed.
  • the present invention is concerned with the problem of specifying an improved embodiment for a body component of the type mentioned at the outset, which in particular simplifies the installation of the body component in a support frame structure with body components designed as sheet metal components.
  • the invention is based on the general idea of integrating a steel sheet into the body component designed as a thin-walled steel casting, in such a way that it is firmly anchored in the casting on the one hand and on the other hand for Connection with another body component can be used. Due to the hybrid construction according to the invention, the advantages of thin-walled steel casting for the respective body component can be largely exploited, while at the same time in a section of the body component which is provided for connection to another component, the steel sheet partially embedded in the casting is used to implement a conventional connection technology can be. In this respect, the body component according to the invention can take on an important advantage of the body components designed as sheet steel parts. The installation of the body component according to the invention in a support frame structure is thereby simplified.
  • the body component according to the invention can thus be connected in a comparatively simple and reliable manner to a further body component according to the invention, which is therefore also designed as a cast steel part with integrated steel sheet, and / or can be connected to a conventional body component designed as a sheet steel component.
  • the at least one steel sheet can be anchored in the steel casting with a form-fitting and / or material fit with an internal part embedded in the steel casting.
  • a secure connection can be established that can only be released by destroying the cast steel part and / or the sheet steel part.
  • the steel sheet is melted at least superficially when the casting is cast on, as a result of which the melting of the steel casting and sheet steel part can mix through the fusion, which likewise leads to an intensive connection between the casting and the sheet metal part.
  • the steel sheet on the inner part can have at least one opening penetrated by the steel casting and / or at least one undercut contour framed by the steel casting. With the help of such an opening or by means of such an undercut contour, a particularly effective form-locking coupling between the cast part and the sheet metal part can be produced without a great effort being required for this.
  • the production of the body component according to the invention is comparatively simple by arranging the at least one steel sheet in a casting mold, in such a way that a part of the steel sheet is embedded in the melt and thus in the casting by the subsequent casting process.
  • the casting process can be carried out essentially in a conventional manner. Only the casting mold has to be prepared for receiving the at least one sheet metal part. The effort for this is comparatively low.
  • FIG. 1 is a perspective view of a body component according to the invention
  • FIG. 2 shows a simplified sectional illustration through the body component corresponding to the section lines II in FIG. 1.
  • the body component 1 can be designed as a carrier, by way of example and without restricting generality, e.g. in the form of an A-pillar of a self-supporting vehicle body.
  • the body component 1 forms part of a support frame structure, not shown, in which it must be integrated in a corresponding manner.
  • the body component 1 is designed as a thin-walled steel casting 2, in which at least one steel sheet 3 is integrated according to the invention. In the present case, two such steel sheets 3 are embedded in a lower section 4 of the steel casting 2. It is clear that, in other embodiments, more or fewer steel sheets 3 can be integrated or embedded in the steel casting 2 at this or other locations.
  • the cast steel part 2 is designed here outside the lower section 4 as a hollow body which has a framework-like shell 5.
  • This framework structure can be designed with regard to the loads to be expected of the body component 1, while at the same time aiming for the lowest possible weight for the body component 1 becomes.
  • the design of the casting 2 can be carried out using FEM technology, that is to say the finite element method. This makes it possible in particular to optimize the casting 2 bionically.
  • the respective steel sheet 3 is integrated into the steel casting 2 such that the steel sheet 3 is only partially embedded in the steel casting 2, namely with an internal part 6.
  • the non-embedded part that is to say an external part 7 of the steel sheet 3, projects from the steel casting 2.
  • the outer parts 7 of the steel sheets 3 can now be used to connect the body component 1 to another component of the support frame structure.
  • Conventional connection methods which work with screws, rivets and / or welding points, for example, can be used, which have proven themselves in practice when connecting two sheet metal parts.
  • the body component 1 according to the invention can be connected particularly simply with regard to easy assembly and sufficient fatigue strength with another body component according to the invention, designed as a cast part with integrated steel sheet and / or with another conventional body component designed as a steel sheet part.
  • connection points 8 are exemplary designed as openings that can be used for riveting and / or screwing. It is clear that the connection points 8 can in principle also be designed in another suitable manner, such as in the form of weld nuts or threaded sections.
  • a positive connection between the cast part 2 and the sheet metal part 3 is produced by a corresponding design of the inner part 6 of the steel sheet 3.
  • Such a positive connection can be realized, for example, by designing one or more openings 9 on the inner part 6 of the steel sheet 3, which are penetrated by the melt and thus by the cast part 2 when the cast part 2 is cast on.
  • one or more undercut contours 10 can be formed on the inner part 6 of the steel sheet 3, which are then enclosed by the cast steel casting 2.
  • the undercut contours 10 are tabs or edges that are flared or angled to the side of the respective steel sheet 3.
  • An intensive anchoring of the respective steel sheet 3 in the area of its inner part 6 can additionally or alternatively also be achieved with the aid of a material connection in which molecular binding forces act between the steel sheet 3 and the cast part 2.
  • a material connection occurs, for example, when the cast steel sheet 3, at least in regions, melts on the surface when the casting 2 is cast on, as a result of which merges. This can be provoked, for example, by preheating the respective steel sheet 3 to a relatively high temperature, at least on the inner part 6, before the casting.
  • the body component 1 according to the invention is expediently produced as follows:
  • the at least one steel sheet 3 is introduced into a casting mold, not shown here, in such a way that the inner part 6 is positioned in the cavity of the casting mold, while the outer part 7 of the steel sheet 3 is located outside the cavity. Then the steel casting 2 is poured into the casting mold, the inner part 6 of the steel sheet 3 being embedded in the casting 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

La présente invention a trait à un élément de carrosserie (1) pour une structure de châssis de support d'une carrosserie de véhicule autoportante, ledit élément étant réalisé sous la forme d'un pièce en acier moulé à paroi mince (2). La présente invention vise à simplifier l'intégration de l'élément de carrosserie (1) dans la structure de châssis de support. A cet effet, au moins une feuille d'acier (3) est intégrée dans l'élément de carrosserie (1) de sorte qu'une partie intérieure de la feuille d'acier (3) est incorporée dans la pièce en acier moulé (2) et une partie extérieure (7) de la feuille d'acier (3) est en saillie depuis la pièce en acier moulé (2).
PCT/EP2004/012831 2003-12-11 2004-11-12 Élément de carrosserie et procédé de production associé WO2005056373A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10357939.7 2003-12-11
DE2003157939 DE10357939B4 (de) 2003-12-11 2003-12-11 Karosseriebauteil und zugehöriges Herstellungsverfahren

Publications (1)

Publication Number Publication Date
WO2005056373A1 true WO2005056373A1 (fr) 2005-06-23

Family

ID=34672589

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/012831 WO2005056373A1 (fr) 2003-12-11 2004-11-12 Élément de carrosserie et procédé de production associé

Country Status (2)

Country Link
DE (1) DE10357939B4 (fr)
WO (1) WO2005056373A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006008212A1 (de) * 2006-02-22 2007-08-30 Audi Ag Gussbauteil insbesondere für eine Karosserie oder ein Fahrwerk eines Kraftwagens sowie Verfahren zu seiner Herstellung
EP2368653A2 (fr) 2010-03-12 2011-09-28 REpower Systems AG Procédé de fabrication d'un support de machine pour une éolienne, support de machine et éolienne
CN104053515A (zh) * 2011-12-27 2014-09-17 株式会社阿雷斯提 车辆用部件的包心铸造构造及包心铸造用金属模具

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006043852A1 (de) * 2006-09-19 2007-05-16 Audi Ag Verbundgussteil
DE102007018838A1 (de) 2007-04-20 2008-10-30 Benteler Automobiltechnik Gmbh Verwendung einer Stahllegierung
DE102007018861A1 (de) 2007-04-20 2008-10-30 Benteler Automobiltechnik Gmbh Verwendung einer Stahllegierung
DE102008017979A1 (de) 2008-04-09 2008-11-20 Daimler Ag Verfahren zum Herstellen von Verbundbauteilen
DE102011000636B4 (de) * 2011-02-10 2014-10-02 Wisco Tailored Blanks Gmbh Karosserie-Rohbauteil
DE102011108126A1 (de) * 2011-07-21 2013-01-24 Universität Siegen Gussbauteil, Karosseriebauteil und Verfahren zu dessen Herstellung
DE102012105280A1 (de) * 2012-06-18 2013-12-19 Martinrea Honsel Germany Gmbh Verfahren zur Herstellung eines Verbundbauteils
DE102014101979B3 (de) * 2014-02-17 2014-12-11 Benteler Automobiltechnik Gmbh Verbindungsanordnung sowie Verfahren zur Herstellung einer Verbindungsanordnung und Kraftfahrzeugbauteil

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE830548C (de) * 1950-03-07 1952-02-04 Licentia Gmbh Laufrad fuer Kompressoren und Verfahren zu seiner Herstellung
DE19523112A1 (de) * 1995-06-26 1996-06-05 Daimler Benz Ag Karosseriebauteil, insbesondere Fahrzeugtür oder -haube, und ein Verfahren zur Herstellung desselben
EP0836983A2 (fr) * 1996-10-17 1998-04-22 Daimler-Benz Aktiengesellschaft Cadre de cloison pare-feu pour une carrosserie monocoque de véhicule automobile et méthode pour sa construction
EP1138581A2 (fr) * 2000-03-28 2001-10-04 Volkswagen Aktiengesellschaft Elément de construction d'acier
WO2003037700A1 (fr) * 2001-10-31 2003-05-08 Imperia Gesellschaft für angewandte Fahrzeugentwicklung mbH Composant leger, notamment piece de carrosserie

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4103036A1 (de) * 1991-02-01 1992-08-06 Bayerische Motoren Werke Ag Gegossenes fahrzeug-aufbauteil
DE19623463A1 (de) * 1996-06-12 1997-12-18 Alusuisse Bayrisches Druckgus Verfahren zum Fügen von Werkstücken
DE10149244A1 (de) * 2001-10-05 2003-04-24 Daimler Chrysler Ag Tragelement für Fahrzeugkarosserie

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE830548C (de) * 1950-03-07 1952-02-04 Licentia Gmbh Laufrad fuer Kompressoren und Verfahren zu seiner Herstellung
DE19523112A1 (de) * 1995-06-26 1996-06-05 Daimler Benz Ag Karosseriebauteil, insbesondere Fahrzeugtür oder -haube, und ein Verfahren zur Herstellung desselben
EP0836983A2 (fr) * 1996-10-17 1998-04-22 Daimler-Benz Aktiengesellschaft Cadre de cloison pare-feu pour une carrosserie monocoque de véhicule automobile et méthode pour sa construction
EP1138581A2 (fr) * 2000-03-28 2001-10-04 Volkswagen Aktiengesellschaft Elément de construction d'acier
WO2003037700A1 (fr) * 2001-10-31 2003-05-08 Imperia Gesellschaft für angewandte Fahrzeugentwicklung mbH Composant leger, notamment piece de carrosserie

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006008212A1 (de) * 2006-02-22 2007-08-30 Audi Ag Gussbauteil insbesondere für eine Karosserie oder ein Fahrwerk eines Kraftwagens sowie Verfahren zu seiner Herstellung
DE102006008212B4 (de) * 2006-02-22 2011-03-10 Audi Ag Druckgussbauteil insbesondere für eine Karosserie oder ein Fahrwerk eines Kraftwagens sowie Verfahren zu seiner Herstellung
EP2368653A2 (fr) 2010-03-12 2011-09-28 REpower Systems AG Procédé de fabrication d'un support de machine pour une éolienne, support de machine et éolienne
EP2368653A3 (fr) * 2010-03-12 2013-02-20 REpower Systems AG Procédé de fabrication d'un support de machine pour une éolienne, support de machine et éolienne
CN104053515A (zh) * 2011-12-27 2014-09-17 株式会社阿雷斯提 车辆用部件的包心铸造构造及包心铸造用金属模具
CN104053515B (zh) * 2011-12-27 2016-04-13 株式会社阿雷斯提 车辆用部件的包心铸造构造及包心铸造用金属模具

Also Published As

Publication number Publication date
DE10357939A1 (de) 2005-07-21
DE10357939B4 (de) 2010-05-27

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