EP0906799B1 - Tôle pour un élément de structure et méthode de fabrication d'un tel élément pour un véhicule automobile - Google Patents

Tôle pour un élément de structure et méthode de fabrication d'un tel élément pour un véhicule automobile Download PDF

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Publication number
EP0906799B1
EP0906799B1 EP98116748A EP98116748A EP0906799B1 EP 0906799 B1 EP0906799 B1 EP 0906799B1 EP 98116748 A EP98116748 A EP 98116748A EP 98116748 A EP98116748 A EP 98116748A EP 0906799 B1 EP0906799 B1 EP 0906799B1
Authority
EP
European Patent Office
Prior art keywords
plate
metal reinforcing
process according
reinforcing sheet
sheet
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.)
Expired - Lifetime
Application number
EP98116748A
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German (de)
English (en)
Other versions
EP0906799A1 (fr
Inventor
Conrad Dipl.-Ing. Oehlerking
Frank Dr. Welsch
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.)
Volkswagen AG
Original Assignee
Volkswagen 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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP0906799A1 publication Critical patent/EP0906799A1/fr
Application granted granted Critical
Publication of EP0906799B1 publication Critical patent/EP0906799B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B21D49/00—Sheathing or stiffening objects
    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/201—Work-pieces; preparation of the work-pieces, e.g. lubricating, coating
    • 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
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding

Definitions

  • the invention relates to a method according to the preamble of patent claim 1.
  • a generic method is known from DE 43 07 563 C2.
  • a circuit board Has base plate and at least one reinforcing plate that the base plate at least partially covered and e.g. by spot welding, adhesive or Welds is connected to the base plate.
  • This board is then subjected to a forming process in which it is brought into a desired shape.
  • the problem here is that the base plate and the reinforcing plate in the joint forming process are stretched and compressed differently.
  • the reinforcement plate at a bend in which it is on the Sits inside with a smaller radius of curvature, more compressed and at one Bend where it sits on the outside stretched more while the base plate is respectively stretched or compressed in reverse.
  • the tendency to either form wrinkles during compression and cracking Elongation since the two sheets mutually as it were during the forming process "hinder". This results in a deterioration in the material properties of the Structural component.
  • EP-A 0 672 477 is indeed a forming process for pressing sheet metal parts known at the exit a sheet metal board with a regular matrix of local Deformations, for example regular surveys. These deformations are intended to achieve relatively high degrees of deformation of the sheet metal part ensure without the need for deep drawing; instead one should cheaper molding tool can be used. With those envisaged there However, sheet metal parts are not made of two firmly connected Sheet metal existing boards, as in the invention, but, as I said, um Single sheets, in the forming of which the mutual disability mentioned is not occurs.
  • the invention is therefore based on the object of a generic method of this type To design and develop that wrinkling and cracking in the board kept low during the forming process and yet a low overall weight is observed.
  • a deformation reserve in the reinforcing plate can result in a greater elongation of the reinforcement sheet by smoothing it without one Material thinning can be achieved.
  • the deformation reserve can in particular have a higher effective surface and e.g. through different structuring in the reinforcement plate are formed.
  • the reinforcement plate is compressed thereby also absorbed by the deformation reserve, e.g. the vault structure one locally bulges, without wrinkles being formed in the reinforcing plate become a preferred kinking of the structural component along some lines to lead.
  • a circuit board 4 has a base plate 2 on which a reinforcing plate 1 is attached. On the reinforcement plate are in predetermined areas Deformation reserves 3 formed, the higher effective due to structuring Have surface than other areas of the reinforcement plate or the base plate 2.
  • FIG. 1 shows a reinforcing plate 1 designed as a waffle plate
  • FIG. 2 shows a reinforcing plate 1 designed as a scale plate
  • 3 is a Reinforcement plate 1 shown, which is designed as a vaulted structured sheet.
  • the Waffle plate shows pyramid-like elevations and the scale plate elongated Elevations, which are separated from each other by webs; but there are also appropriate training possible, in which the respective surveys without such Adjacent webs directly and / or have additional depressions.
  • arched sheet metal directly limit the elevations without webs to each other.
  • the reinforcement plate 1 shown in FIGS. 1 to 3 is now according to FIG. 4 before joint forming with the base plate at least partially with the base plate connected. This can be done, for example, using an appropriate spot welding technique, Laser welding technology or adhesive technology, possibly combinations of these techniques respectively. It is advantageous if in the area between the base plate and the Reinforcement plate 1 appropriate corrosion protection measures are carried out. In Depends on where the structural component generated is used on a motor vehicle the structural component can also be a relatively large base plate and arranged thereon have a plurality of reinforcement plates 1.
  • the areas with ridges and depressions are smoothed without a larger material flow must take place or a larger material thinning in the Area takes place. Furthermore, the ridges and valleys in a compression compressed or enlarged without forming larger crease lines that lead to a Weaken the material.
  • the reinforcement plate 1 shown in FIGS. 1 to 3 can be used in different areas also a different, but then certain material thickness in the respective areas have so that when forming the reinforcing plate 1 to produce the Structural component in these areas then an optimal material flow or an optimal Material expansion can take place. This can be caused by certain steels or materials are supported, especially if the base plate and the reinforcement plate 1 each have a certain structure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Structure Of Printed Boards (AREA)
  • Body Structure For Vehicles (AREA)

Claims (9)

  1. Procédé de fabrication d'un élément de structure destiné à des véhicules automobiles, dans lequel on réalise dans un premier temps une platine moyennant la fixation d'au moins une tôle de renforcement (1) sur une tôle de base (2) qui est recouverte, au moins partiellement, par la tôle de renforcement (1), et dans lequel cette platine est ensuite soumise à un processus de déformation, caractérisé en ce que, avant la réalisation de la platine, la tôle de renforcement (1) est munie d'une réserve de déformation (3) comportant des renfoncements et des surélévations, qui sont agencés de telle sorte qu'ils peuvent être aplanis par le processus de déformation de la platine.
  2. Procédé selon la revendication 1, caractérisé en ce que la tôle de renforcement (1) est réalisée, au moins partiellement, sous la forme d'une tôle gaufrée.
  3. Procédé selon la revendication 1, caractérisé en ce que la tôle de renforcement (1) est réalisée, au moins partiellement, sous la forme d'une tôle à écailles.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la tôle de renforcement (1) est réalisée, au moins partiellement, sous la forme d'une tôle à structure incurvée.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le processus de déformation comprend au moins un processus d'emboutissage profond.
  6. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que des mesures de protection contre la corrosion sont prises dans la zone entre la tôle de base (2) et la tôle de renforcement (1).
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que plusieurs tôles de renforcement (1) sont fixées sur une tôle de base (2).
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la tôle de renforcement (1) est réalisée dans différentes zones avec diverses épaisseurs de matériau, mais des épaisseurs définies, de sorte que différents fluages de matériau ou étirements de matériau aient lieu dans ces zones lors de la déformation.
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la tôle de base (2) ainsi que la tôle de renforcement (1) comportent des structures de configurations différentes.
EP98116748A 1997-09-27 1998-09-04 Tôle pour un élément de structure et méthode de fabrication d'un tel élément pour un véhicule automobile Expired - Lifetime EP0906799B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742818 1997-09-27
DE19742818A DE19742818A1 (de) 1997-09-27 1997-09-27 Platine für ein Strukturbauteil, Strukturbauteil und Verfahren zur Herstellung eines Strukturbauteiles für Kraftfahrzeuge

Publications (2)

Publication Number Publication Date
EP0906799A1 EP0906799A1 (fr) 1999-04-07
EP0906799B1 true EP0906799B1 (fr) 2001-06-20

Family

ID=7843900

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98116748A Expired - Lifetime EP0906799B1 (fr) 1997-09-27 1998-09-04 Tôle pour un élément de structure et méthode de fabrication d'un tel élément pour un véhicule automobile

Country Status (3)

Country Link
EP (1) EP0906799B1 (fr)
DE (2) DE19742818A1 (fr)
ES (1) ES2160385T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2926054A1 (fr) * 2008-01-04 2009-07-10 Peugeot Citroen Automobiles Sa Piece de renfort a tres haute ou ultra haute limite elastique pour une structure de carrosserie de vehicule automobile.
US11982200B1 (en) 2023-06-23 2024-05-14 Pratt & Whitney Canada Corp. Structure with structural reinforcement patterns

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19942383A1 (de) * 1999-09-04 2001-03-08 Opel Adam Ag Kraftfahrzeugboden
DE10044682C2 (de) * 2000-09-08 2002-08-29 Thyssenkrupp Stahl Ag Verfahren und Platine zur Herstellung eines kaltumgeformten Bauteils aus Stahlblech und Verwendung einer Platine
DE10339069A1 (de) * 2003-08-26 2005-03-24 Daimlerchrysler Ag Pressgehärtetes Bauteil mit einer Wölbstruktur
DE102004051848B3 (de) * 2004-10-25 2006-01-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von mehrlagigen Blechstrukturen und mehrlagige Blechstruktur
WO2006066525A1 (fr) 2004-12-23 2006-06-29 Müller Weingarten AG Procede pour realiser des rainures longitudinales dans des pieces cylindriques
DE102005056470B4 (de) * 2004-12-23 2013-05-29 Müller Weingarten AG Verfahren zur Herstellung von Längsnuten in zylindrische Werkstücke
DE102008018656B9 (de) * 2008-04-11 2009-07-09 Thyssenkrupp Steel Ag Verfahren zur Herstellung von hochmaßhaltigen Halbschalen
DE102009003508B4 (de) * 2009-02-19 2013-01-24 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung eines pressgehärteten Metallbauteils
DE102009050510A1 (de) * 2009-10-23 2011-04-28 Volkswagen Ag Temperierungselement
DE102017003715B4 (de) 2017-04-15 2022-06-30 Audi Ag Mit einer Trennstelle ausgebildetes Verbundbauteil und Verfahren zur Anpassung eines solchen Verbundbauteils

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61287871A (ja) * 1985-06-17 1986-12-18 Toyota Motor Corp 自動車のサイドメンバ
DE4219938A1 (de) * 1991-06-21 1992-12-24 Showa Aluminum Corp Verkleidungsplatte zur verwendung in automobilen oder anderen fahrzeugen
DE4307563C2 (de) * 1992-03-12 1994-09-22 Bayerische Motoren Werke Ag Verfahren zum Fertigen eines Blechstrukturteils, das partiell eine Mehrfachblechstruktur aufweist, sowie nach dem Verfahren hergestelltes Blechstrukturteil
DE4228396C2 (de) * 1992-08-26 2002-05-29 Bayerische Motoren Werke Ag Verfahren zum Fertigen eines Blech-Strukturteiles, sowie Verwendung eines nach dem Verfahren hergestellten Bauteils
JPH07137539A (ja) * 1993-09-16 1995-05-30 Toyota Motor Corp 自動車の車体構造
ES2121105T3 (es) * 1994-03-19 1998-11-16 Helmut W Diedrichs Procedimiento de deformacion para la estampacion por prensado de piezas de chapa.
DE4416231B4 (de) * 1994-05-07 2004-02-26 Xaver Lipp Verfahren zur Herstellung eines zweilagigen Metallbandes und Vorrichtung zur Durchführung des Verfahrens
DE19524235A1 (de) * 1995-07-04 1997-01-16 Volkswagen Ag Verfahren zur Herstellung eines Formteils

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2926054A1 (fr) * 2008-01-04 2009-07-10 Peugeot Citroen Automobiles Sa Piece de renfort a tres haute ou ultra haute limite elastique pour une structure de carrosserie de vehicule automobile.
US11982200B1 (en) 2023-06-23 2024-05-14 Pratt & Whitney Canada Corp. Structure with structural reinforcement patterns

Also Published As

Publication number Publication date
DE59800881D1 (de) 2001-07-26
ES2160385T3 (es) 2001-11-01
DE19742818A1 (de) 1999-04-01
EP0906799A1 (fr) 1999-04-07

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