EP2509847A1 - Procédé pour fabriquer une coque brute d'une voiture automobile et coque brute pour une voiture automobile - Google Patents

Procédé pour fabriquer une coque brute d'une voiture automobile et coque brute pour une voiture automobile

Info

Publication number
EP2509847A1
EP2509847A1 EP10776566A EP10776566A EP2509847A1 EP 2509847 A1 EP2509847 A1 EP 2509847A1 EP 10776566 A EP10776566 A EP 10776566A EP 10776566 A EP10776566 A EP 10776566A EP 2509847 A1 EP2509847 A1 EP 2509847A1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
shell
reinforcing
support structure
support
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Withdrawn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
EP10776566A
Other languages
German (de)
English (en)
Inventor
Konrad Eipper
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
Daimler 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 Daimler AG filed Critical Daimler AG
Publication of EP2509847A1 publication Critical patent/EP2509847A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/09—Means for mounting load bearing surfaces
    • 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
    • B62D25/02—Side panels
    • B62D25/025—Side sills thereof
    • 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
    • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
    • B62D29/005—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material preformed metal and synthetic material elements being joined together, e.g. by adhesives
    • 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 shell of a motor vehicle specified in the preamble of claim 1. Art and a shell for a motor vehicle specified in the preamble of claim 9 Art.
  • DE 10 2005 043 698 A1 discloses a byschweiler a motor vehicle body, with a composite of at least two partial shells box section, which is reinforced in the passenger compartment by a structural part, wherein the structural part is fixedly connected to the box section.
  • the structural part in this case comprises a fiber-reinforced plastic part, which is supported at least on one of the partial shells of the box profile.
  • This object is achieved by a method for producing a shell of a
  • the inventive method makes it possible, despite different construction variants of the motor vehicle, the shell of which must meet different requirements, to use low on the low cost of the car impacting platforms and at the same time a large range of weights in the accident behavior of the motor vehicle
  • the method according to the invention has the advantage of being able to design the shell or the support structure on that construction variant with the lowest weight of the construction variants of the motor vehicle. Does a construction variant of the motor vehicle on a higher weight and thus requires a stiffened and reinforced shell or a stiffened and reinforced support structure, this is with the or the lowest weight designed shell or support structure possible because that at least one Support member of the support structure is provided with the reinforcing member, wherein the reinforcing member lastkenorientiert, d. H. depending on a load in the event of an accident, is arranged on the support member.
  • the said load in the event of an accident is determined, for example, in time prior to the provision of the support member with the reinforcing member or even before the beginning or at least before the end of the production of the support structure or shell, this determination, for example by simulation and / or calculation and / or Trials is performed.
  • this determination for example by simulation and / or calculation and / or Trials is performed.
  • the support part with the reinforcement part is finally arranged at corresponding points, in particular points of high loads.
  • the method according to the invention can also be used in the derivation of derivatives such as, for example, a construction variant in the form of a coupe, a convertible, a van, a roadster, other construction variants without a roof or with an openable and closable roof, etc.
  • a construction variant in the form of a coupe, a convertible, a van, a roadster other construction variants without a roof or with an openable and closable roof, etc.
  • the cost-reducing effect of the method according to the invention has a particularly positive effect.
  • Reinforcement part to reinforce For example, a plurality of such
  • reinforcing members which load-oriented on the support member or the support structure, which includes, for example, a plurality of such support members are positioned and arranged. It may, for example, such
  • Support reinforcement part on the support part.
  • the carrier part is formed for example from two partial shells, which are connected to each other via respective joining flanges, for example by spot welding and / or gluing or the like, wherein the reinforcing member, for example, on a partial shell, which is formed for example of a metal sheet , supports.
  • the reinforcing part surrounds the carrier part or such a partial shell at least partially and for example predominantly.
  • the support member is provided temporally after a coating, painting, in particular a cathodic dip coating or the like with the reinforcing member. If the reinforcing part is formed, for example, from a fiber-reinforced plastic, then this involves this
  • the said fiber-reinforced plastic may be, for example, a glass fiber reinforced plastic, a carbon fiber reinforced plastic or the like.
  • a reinforcing part formed at least substantially of aluminum is provided as the reinforcing part, the reinforcing part then having a very low, specific weight, which benefits a low total weight of the carrier structure and thus of the motor vehicle. This keeps the energy consumption of the motor vehicle for the operation desselbigen low, which in the case of formation of a drive unit as an internal combustion engine low fuel consumption and low C0 2 emissions benefit.
  • reinforcing part essentially formed of steel is provided as reinforcing part. This is a particularly stiff and stable reinforcement part, by means of which the support structure or the
  • Carrier part is particularly efficient to reinforce. In the case of training of the
  • Reinforcement of steel or sheet metal is also given the opportunity to optimize the accident behavior of the support member or the support structure by at least one bead of the reinforcing member.
  • an embodiment of the reinforcement part as at least substantially one
  • fiber-reinforced plastic formed reinforcing member is given the opportunity to align fibers of the fiber-reinforced plastic depending on the load and thus adjust the accident behavior of the support member and thus the entire support structure needs.
  • Reinforcing part is, for example, a higher strength
  • the said reinforcing part formed at least essentially of steel is, for example, a warm one
  • CFRK patches carbon fiber reinforced plastic patches
  • the at least one reinforcement part is connected to the at least one support part, for example, with conventional connection techniques.
  • the reinforcing member is bonded and / or riveted to the support member.
  • the connection of the reinforcing part to the carrier part offers itself, in particular in a reinforcing part formed at least substantially of fiber-reinforced plastic, and by riveting technology.
  • Adhesive technology a provided for connecting the reinforcing member in the support member adhesive can be cured very well by the heat prevailing during the coating, resulting in a further time savings and thus another
  • connection technology is to be matched to the installation location and / or the type and extent of the prevailing load there.
  • the invention also includes a shell for a motor vehicle, in particular a
  • the support part can be provided with at least one reinforcement part at least in regions depending on a construction variant of the motor vehicle, wherein the support part advantageously with the time after the preparation of the support structure
  • the shell according to the invention allows a late variant control and at least a reduction of the variant formation of the shell over different construction variants of the motor vehicle away.
  • an assembly of the reinforcing member according to the invention is provided only after completion of the shell or the support structure and therefore does not have to happen during the manufacture of the shell. This unifies the bodyshell assembly of different construction variants of a motor vehicle significantly, which is associated with a significant reduction in time and costs for the shell and thus for the entire car.
  • FIG. 1 shows a detail of a perspective view of a support part of a shell of a passenger car associated support structure, which is provided in regions depending on a construction variant of the passenger car with a reinforcing member;
  • Fig. 2 is a partial side view of an alternative embodiment of a
  • FIG. 3 shows a detail of a perspective view of a further embodiment of a carrier part according to the preceding figures.
  • Fig. 1 shows a support member in the form of a longitudinal member 10, which consists of a
  • Half shell 14 and a second half-shell 16 is formed, which are connected via respective joining flanges 18 and 20 with formation of a hollow cross-sectional profile 12 with each other.
  • the half shells 14 and 16 are connected to each other by spot welding on the Fügflansche 18 and 20.
  • the longitudinal member 10 shown in FIG. 1 is for example a support part of a first support structure of a shell of a passenger car, said support structure comprises, for example, a plurality of such side members 10 and other support members.
  • the longitudinal member 10 is now dependent on a construction variant of said
  • Passenger motor vehicle partially provided with a reinforcing member 22, wherein the reinforcing member 22 is formed for example of a fiber-reinforced plastic.
  • the reinforcement of the longitudinal member 10 with the reinforcing member 22 takes place both as a function of the construction variant of the passenger car as well as in terms of time after the production of said support structure or the shell of the passenger car, whereby the possibility is created, the shell load level oriented as a function of the construction variant of Passenger car and thus adapt to different weights of different construction variants.
  • the different construction variants on the same shell the same as a function of different requirements, in particular of a representation a good accident behavior of the different construction variants, adapted by appropriate reinforcing parts such as the reinforcing member 22.
  • Reinforcement 22 may be provided or even eliminated. The training of the
  • Reinforcement 22 so for example, the material, dimensions, wall thicknesses and / or geometric designs and its local arrangement on the
  • Side member 10 varies depending on the construction variant and the different loads in an accidental application of force to the support structure or the shell. These different loads in case of accident
  • FIG. 2 shows a support part in the form of a sill 24, which is also formed from two half-shells 14 and 16, wherein in FIG. 2, only the half-shell 16 is shown.
  • the half-shells 14 and 16 are connected to each other via respective joining flanges 18 and 20 by spot welding.
  • the reinforcing member 22 shown in FIG. 2 for example, the reinforcement of the sill 24 in a construction variant of the passenger car, in which this is designed as a convertible.
  • the said compensation of the different hollow cross sections in the areas 28 and 30 means that, for example, the hollow cross section in the area 28 allows sufficient rigidity and strength of the sill 24, while the hollow cross section in the area 30 in the formation of the passenger car as a convertible a further improvement in stiffness has, if not otherwise
  • the rigidity of the sill 24 in the region 30 is significantly improved by the reinforcing member 22, so that a low weight having sill 24 in this construction variant by the reinforcement with the reinforcing member 22 has a sufficient rigidity in each case, resulting in a very good accident behavior of Passenger car leads.
  • the sill 24 may also be part of a support structure of a shell of a passenger car and in particular part of the support structure of the shell of the passenger car mentioned in connection with FIG. 1. In this case, the same applies to the sill 24 according to FIG. 2 with respect to the different construction variants in connection with FIG. 1.
  • Bend carrier 38 which also depends on a construction variant of the
  • Passenger car is partially reinforced with a reinforcing member 22.
  • the bending beam 38 has a C-shaped, open cross-sectional profile, which is formed from an upper belt 40, a lower belt 42 and a web 44 connecting the straps 40 and 42. To reinforce the bending beam 38 by means of
  • the reinforcing member 22 surrounds the straps 40 and 42 regionally and is arranged on the open side of the C-shaped cross-sectional profile for the area-wise formation of a closed hollow cross-sectional profile.
  • the bending beam 28 has a high rigidity and a high strength, which particularly benefits the said accident behavior of the motor vehicle in the event of accidental application of force.
  • the area in which the reinforcement part 22 is arranged is, for example, a medium or a heavily loaded area, which is part of a simulation such an accidental force application and / or is determined in the context of experiments.

Landscapes

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

Abstract

L'invention concerne un procédé pour fabriquer une coque brute d'une voiture automobile, en particulier d'une voiture de tourisme, dans lequel une structure portante attribuée à la coque brute de la voiture et comprenant au moins une partie portante (10, 24, 38) est fabriquée, la partie portante (10, 24, 38) de la structure portante étant dotée au moins par endroits d'au moins une partie de renfort (22) en fonction d'une variante de construction de la voiture, et une coque brute pour une voiture, en particulier une voiture de tourisme, avec une structure portante attribuée à la coque brute de la voiture et comprenant au moins une partie portante (10, 24, 38), la partie portante (10, 24, 38) pouvant être dotée par endroits d'au moins une partie de renfort (22) en fonction d'une variante de construction de la voiture.
EP10776566A 2009-12-10 2010-10-26 Procédé pour fabriquer une coque brute d'une voiture automobile et coque brute pour une voiture automobile Withdrawn EP2509847A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009057734A DE102009057734A1 (de) 2009-12-10 2009-12-10 Verfahren zum Herstellen eines Rohbaus eines Kraftwagens sowie Rohbau für einen Kraftwagen
PCT/EP2010/006522 WO2011069581A1 (fr) 2009-12-10 2010-10-26 Procédé pour fabriquer une coque brute d'une voiture automobile et coque brute pour une voiture automobile

Publications (1)

Publication Number Publication Date
EP2509847A1 true EP2509847A1 (fr) 2012-10-17

Family

ID=43598525

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10776566A Withdrawn EP2509847A1 (fr) 2009-12-10 2010-10-26 Procédé pour fabriquer une coque brute d'une voiture automobile et coque brute pour une voiture automobile

Country Status (5)

Country Link
US (1) US8998296B2 (fr)
EP (1) EP2509847A1 (fr)
JP (1) JP2013513502A (fr)
DE (1) DE102009057734A1 (fr)
WO (1) WO2011069581A1 (fr)

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DE102013020437A1 (de) * 2013-12-06 2015-01-08 Daimler Ag Aufprallträger für ein Kraftfahrzeug und Herstellungsverfahren
JP5959558B2 (ja) * 2014-03-13 2016-08-02 アイシン高丘株式会社 複合構造体及びその製造方法
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Also Published As

Publication number Publication date
DE102009057734A1 (de) 2011-06-16
WO2011069581A1 (fr) 2011-06-16
JP2013513502A (ja) 2013-04-22
US20120280534A1 (en) 2012-11-08
US8998296B2 (en) 2015-04-07

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