EP1818115B1 - Procédé de fabrication d'un élément structurel ou de châssis pour véhicules automobiles - Google Patents

Procédé de fabrication d'un élément structurel ou de châssis pour véhicules automobiles Download PDF

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Publication number
EP1818115B1
EP1818115B1 EP07000296A EP07000296A EP1818115B1 EP 1818115 B1 EP1818115 B1 EP 1818115B1 EP 07000296 A EP07000296 A EP 07000296A EP 07000296 A EP07000296 A EP 07000296A EP 1818115 B1 EP1818115 B1 EP 1818115B1
Authority
EP
European Patent Office
Prior art keywords
edge
structural
process according
chassis element
blank
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.)
Not-in-force
Application number
EP07000296A
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German (de)
English (en)
Other versions
EP1818115A1 (fr
Inventor
Hans-Jürgen Knaup
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.)
Benteler Automobiltechnik GmbH
Original Assignee
Benteler Automobiltechnik GmbH
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Filing date
Publication date
Application filed by Benteler Automobiltechnik GmbH filed Critical Benteler Automobiltechnik GmbH
Publication of EP1818115A1 publication Critical patent/EP1818115A1/fr
Application granted granted Critical
Publication of EP1818115B1 publication Critical patent/EP1818115B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49616—Structural member making
    • Y10T29/49622—Vehicular structural member making

Definitions

  • the invention relates to a method for producing a structural or chassis component for motor vehicles.
  • edge area is usually weakened by process-related notches in the cutting edge profile and, in the case of high-strength steels, also by the final strength resulting from the effect of heat.
  • the technological background also includes the DE 33 43 709 A1 .
  • a method for producing a structural or chassis component in the form of a frame part for motor vehicles is described.
  • the frame component is formed from a blank in a press tool with the special feature that there the blank is partially rolled off and thus has sections of different thickness.
  • the DE 198 01 341 A1 describes a method of forming an inner flange on a sheet member having a cylindrical part. There, a projection on the sheet member is formed, which projects from the sheet metal member and initially has a greater length than in its final state. By pressing in a tool, the axial length of the approach is reduced in the axial direction. As a result of the reduction of the axial length of the approach creates an excess part. This excess part is collected at a position in the axial direction of the neck, so that an inner flange is formed by the advanced excess part.
  • the metallic molded component has a U-shaped profiled body with a bottom-side web and two legs, to which horizontal flange sections adjoin with rectangularly bent edge limbs.
  • To produce an initially flat output board is initially provided by means of rams in the longitudinal direction with longitudinal channels. Subsequently, the central region of the board is transformed by means of a main punch U-shaped. In this case, the lateral areas of the board are pulled inwards. In this process, the previously created longitudinal channels are leveled. Subsequently, the edge legs are folded over.
  • the WO 99/07492 A describes the production of a cured sheet steel product in a press-hardening process. This edge areas of holes are bent in the tool, so that collars arise at the holes.
  • the JP 08 128487 A discloses an energy absorbing element and method of making such a ferritic steel plate.
  • the energy absorption element has a U-shaped shell body with a web, two legs and flanges adjacent to the legs at the ends.
  • the shell body is closed by a flat strike plate.
  • the invention is based on the prior art, the task of demonstrating a method for the production of structural or chassis components for motor vehicles with improved and more accurate edge properties.
  • the edge of the board is formed in the press tool such that a bead is formed at the edge.
  • One or more beads can be produced on the structural or chassis component. According to the invention, it is provided that a bead is applied, above all, in regions of a structural or chassis component that are subject to cracking or tight tolerances.
  • a board can be used, which has a certain excess compared to the development of the structural or chassis component, so that the board has a reserve of material for the production of one or more beads on the edges.
  • a particularly advantageous embodiment of the method according to the invention provides, at least initially along an edge of the board at a small distance from the Outside edge of the board to form a wavy material storage in the manner of a bead.
  • the bead serves as a material reserve during the forming process.
  • the board is formed in the press tool for structural or chassis component.
  • the material storage is leveled in the press tool under material displacement in the direction of the outer edge, so that arises at the edge of the bead.
  • the material storage can be introduced simultaneously with the cutting of the board in a subsequent tool without a separate operation.
  • An advantageous structural or chassis component comprises a shell body produced by the method according to the invention.
  • the shell body has a U- or V-shaped cross-section with a web and two legs, with the ends preferably connected to the legs outwardly directed flanges.
  • a bead extends along the edge of the component. This bead stands towards the bridge in front of the flange.
  • To complete the shell body is closed by a strike plate, which is joined at each of the flanges with the shell body. The joining takes place at the flat side of the flanges lying opposite the bead so that flat contact surfaces of the flanges and the striking plate are placed against one another and joined.
  • the beads thus do not present an obstacle during joining, in particular during spot welding.
  • a wavy material storage 6, 7 formed in the manner of a bead.
  • the material stores 6, 7 can be produced when trimming the board 1 in a follower tool.
  • the provided with the material stocks 6, 7 board 1 is then in a press tool 8, as in FIG. 3 represented, converted into a structural or chassis component 9 (see also FIGS. 4 and 5 ).
  • the press tool 8 may be a cold forming or a hot forming tool.
  • the pressing tool 8 comprises an upper tool 10 and a lower tool 11, between which a forming space 12 is formed during the forming process.
  • the circuit board 1 is inserted into the press tool and the upper tool 10 and the lower tool 11 are displaced relative to each other ( FIG. 3a ).
  • a shell body 13 is formed with a U-shaped cross-section, which has a web 14 and two legs 15, 16, to which end flanges 17, 18 are connected at each end.
  • the material stocks 6, 7 are leveled with material displacement in the direction of the outer edges 4, 5.
  • the edges 2, 3 of the board 1 are each pressed against an abutment 19, 20 in the lower tool 11 of the press tool 8 and formed into a recess 21, 22 in the upper tool 10 of the press tool 8, so that at the edges 2, 3 each have a bead 23, 24 arises.
  • the beads 23, 24 provide defined longitudinal edge areas along the edges 2, 3 on the structural or chassis component 9 safely with low susceptibility to cracking and high dimensional accuracy. Subsequent trimming operations along the edges 2, 3 on the structural or chassis component 9 can be omitted.
  • FIGS. 4 and 5 show a section of the shell body 13 of an inventively produced structure or chassis component 9.
  • the shell body 13 is closed by a closing plate 25, which in each case on the beads 23, 24 opposite flat side 26, 27 of the flanges 17, 18 is joined to the shell body 13.
  • E1 and E2 are in the FIGS. 4 and 5 Designated welding electrodes.
  • E1 and E3 of the shell body 13 and the striking plate 25 ddlingverschweit. Due to the fact that the beads 23, 24 are switched in the direction of the web 14 of the shell body 13, these do not constitute an obstacle in spot welding.

Landscapes

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

Claims (9)

  1. Procédé pour la fabrication d'un composant de structure ou de train de roulement pour des véhicules automobiles à partir d'une platine (1) qui est mise en forme dans un outil de presse (8) pour donner le composant de structure ou de train de roulement, dans lequel la platine (1) comprend au moins une réserve de matériau (6, 7), dans lequel au moins une bordure (2, 3) de la platine (1) est pressée, lors de l'opération de mise en forme, contre une contrebutée (19, 20) dans l'outil de presse (8) et la réserve de matériau (6, 7) est mise en forme dans la bordure (2, 3) et dans un évidement (21, 22) dans l'outil de presse (8), caractérisé en ce que la réserve de matériau (6, 7) est conformée sous forme ondulée dans la platine (1).
  2. Procédé selon la revendication 1, caractérisé en ce que la bordure (2, 3) est mise en forme dans l'outil de pressage de telle façon qu'il apparaît un bourrelet (23, 24) à la bordure (2, 3).
  3. Procédé selon la revendication 2, caractérisé en ce que la réserve de matériau (6, 7) de forme ondulée est tout d'abord conformée au moins le long d'une bordure (2, 3) de la platine (1) à distance de l'arête extérieure (4, 5) de la platine (1), et la platine (1) est mise en forme ensuite dans l'outil de presse (8), dans lequel la réserve de matériau (6, 7) est aplanie dans l'outil de presse (8) avec refoulement du matériau en direction de l'arête extérieure (4, 5), de sorte que le bourrelet (23, 24) apparaît à la bordure (2, 3).
  4. Procédé selon la revendication 2 ou 3, caractérisé en ce que le bourrelet (23, 24) à la bordure (2, 3) est renversé dans une direction.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que le composant de structure ou de train de roulement est mis en forme à chaud dans l'outil de presse (8) et au moins partiellement durci.
  6. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que le composant de structure ou de train de roulement est mis en forme à froid dans l'outil de presse (8).
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que lors de l'opération de mise en forme, des traversées dans le composant de structure ou de train de roulement sont mises à la forme finale aux tolérances près.
  8. Procédé selon l'une des revendications 1 à 7, caractérisé en ce que la réserve de matériau est refoulée dans des zones du composant de structure ou de train de roulement dans lesquelles la formation d'un bourrelet n'entrave pas la poursuite du travail sur le composant de structure ou de train de roulement.
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce que la bordure est mise en forme, aux tolérances près, au moyen de la contrebutée.
EP07000296A 2006-02-08 2007-01-09 Procédé de fabrication d'un élément structurel ou de châssis pour véhicules automobiles Not-in-force EP1818115B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006005964A DE102006005964B3 (de) 2006-02-08 2006-02-08 Verfahren zur Herstellung eines Struktur- oder Fahrwerkbauteils für Kraftfahrzeuge und Struktur- oder Fahrwerkbauteil

Publications (2)

Publication Number Publication Date
EP1818115A1 EP1818115A1 (fr) 2007-08-15
EP1818115B1 true EP1818115B1 (fr) 2009-03-04

Family

ID=37781724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07000296A Not-in-force EP1818115B1 (fr) 2006-02-08 2007-01-09 Procédé de fabrication d'un élément structurel ou de châssis pour véhicules automobiles

Country Status (5)

Country Link
US (1) US7748743B2 (fr)
EP (1) EP1818115B1 (fr)
AT (1) ATE424266T1 (fr)
DE (2) DE102006005964B3 (fr)
ES (1) ES2322623T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL422296A1 (pl) * 2017-07-21 2019-01-28 Zakład Metalowy Wb Produkcja, Handel, Usługi Wiesław Bożek, Maria Bożek Spółka Jawna Sposób wykonania goleni podwozia samolotu

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Publication number Priority date Publication date Assignee Title
DE102007038036B4 (de) * 2007-08-10 2010-11-11 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines rohrförmigen Tragprofils für einen Instrumententräger
CN101648245B (zh) * 2008-08-13 2011-04-13 王勇 铝锅的生产方法
FR2945971B1 (fr) * 2009-05-27 2011-05-13 Peugeot Citroen Automobiles Sa Procede d'emboutissage d'un element en tole, notamment de la caisse d'un vehicule automobile
DE102010026216A1 (de) * 2010-07-06 2012-01-12 Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) Trägerartiges Bauteil für ein Kraftfahrzeug
DE102010048589A1 (de) * 2010-09-21 2012-03-22 Giw Gesellschaft Für Innovative Werkzeugsysteme Mbh Verfahren und Vorrichtung zum Formen flächiger Werkstücke
CN102019317A (zh) * 2010-09-25 2011-04-20 山东潍坊福田模具有限责任公司 汽车腔形内覆盖件角部防开裂成形方法
DE102011051965A1 (de) 2011-07-20 2013-01-24 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines rohrförmigen Strukturbauteils für ein Kraftfahrzeug und Strukturbauteil
JP5965159B2 (ja) * 2012-02-22 2016-08-03 東プレ株式会社 プレス部品の成形方法
FR2993806B1 (fr) * 2012-07-26 2015-02-13 Saint Jean Ind Procede de fabrication de pieces de structure en alliage leger et pieces ainsi obtenues permettant une optimisation du rapport masse/performances
CN104008219B (zh) * 2013-02-26 2017-06-23 上海通用汽车有限公司 一种焊接变形分析预测方法
DE102016205492A1 (de) 2016-04-04 2017-10-05 Thyssenkrupp Ag Verfahren und Vorrichtung zum Umformen eines Halbzeugs
DE102016005902B3 (de) 2016-05-13 2017-06-29 Audi Ag Verfahren und Pressenwerkzeug zur Herstellung eines komplexen Blechformteils mit hoher Ziehtiefe
DE102017201674B3 (de) 2017-02-02 2018-03-29 Ford Global Technologies, Llc Verfahren zur Herstellung eines pressgehärteten Bauteils sowie Pressform
JP6677289B1 (ja) * 2018-12-12 2020-04-08 Ｊｆｅスチール株式会社 プレス成形方法
DE102020202004A1 (de) * 2020-02-18 2021-08-19 Thyssenkrupp Ag Verfahren zum Herstellen von umgeformten Blechteilen und Vorrichtung
CN113290098B (zh) * 2021-04-15 2023-01-06 佛山市南海圣特亮装饰材料有限公司 一种不锈钢瓦楞板压制成型时进行保护并检测装置

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DE3991692C2 (de) * 1989-06-28 1994-02-24 Kanemitsu Akashi Kk Verfahren zur Fertigung einer Mehrfach-Keilriemenscheibe aus Blech
NO173538C (no) * 1991-09-06 1993-12-29 Norsk Hydro As Konstruksjonsbjelke og fremgangsmaate ved produksjon av den samme
JPH08128487A (ja) * 1994-11-02 1996-05-21 Nissan Motor Co Ltd エネルギ吸収材およびその製造方法
DE19642995C1 (de) * 1996-10-18 1998-01-29 Thyssen Industrie Verfahren und Vorrichtung zum Herstellen von biege- oder torsionsbelasteten Trägern mit U- oder V-förmigem Profil
JP2887585B2 (ja) * 1997-01-27 1999-04-26 株式会社カネミツ 筒部を有する板金製部材の内鍔部形成方法
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL422296A1 (pl) * 2017-07-21 2019-01-28 Zakład Metalowy Wb Produkcja, Handel, Usługi Wiesław Bożek, Maria Bożek Spółka Jawna Sposób wykonania goleni podwozia samolotu

Also Published As

Publication number Publication date
US20070180697A1 (en) 2007-08-09
ES2322623T3 (es) 2009-06-23
DE102006005964B3 (de) 2007-07-19
ATE424266T1 (de) 2009-03-15
EP1818115A1 (fr) 2007-08-15
US7748743B2 (en) 2010-07-06
DE502007000469D1 (de) 2009-04-16

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