EP2533970A1 - Composite component for a vehicle - Google Patents

Composite component for a vehicle

Info

Publication number
EP2533970A1
EP2533970A1 EP10805611A EP10805611A EP2533970A1 EP 2533970 A1 EP2533970 A1 EP 2533970A1 EP 10805611 A EP10805611 A EP 10805611A EP 10805611 A EP10805611 A EP 10805611A EP 2533970 A1 EP2533970 A1 EP 2533970A1
Authority
EP
European Patent Office
Prior art keywords
component
plastic
preform
phs
composite
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Withdrawn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
EP10805611A
Other languages
German (de)
French (fr)
Inventor
Karl Michael Radlmayr
Konstantin Suhre
Cornelis Gerardus Van Koert
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.)
Polytec Composites NV BV
Original Assignee
Voestalpine Metal Forming GmbH
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 Voestalpine Metal Forming GmbH filed Critical Voestalpine Metal Forming GmbH
Publication of EP2533970A1 publication Critical patent/EP2533970A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
    • B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
    • B29C70/885—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding with incorporated metallic wires, nets, films or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/688—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks the inserts being meshes or lattices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/001—Producing wall or panel-like structures, e.g. for hulls, fuselages, or buildings
    • B29D99/0014—Producing wall or panel-like structures, e.g. for hulls, fuselages, or buildings provided with ridges or ribs, e.g. joined ribs
    • 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
    • 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
    • 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
    • B62D29/004—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material the metal being over-moulded by the synthetic material, e.g. in a mould
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23—Sheet including cover or casing

Definitions

  • the invention relates to a composite component for a motor vehicle according to the preamble of claim 1.
  • a method for producing a component in which some pre-impregnated fiber ⁇ materials are arranged, wherein an outer prepreg is disposed on a metallic component body, wherein the prepreg stack is formed into a three-dimensional preform, which is pressed into the component body in a pressing tool.
  • the preforms are, for example, carbon-fiber-reinforced plastics, which are to be used for reinforcement as lightweight construction in structural components.
  • a reinforced impact beam wherein the impact beam has a polymer matrix and a metal reinforcing structure, whereby the metalli ⁇ specific reinforcement structure summarizes metal threads or metal strands environmentally formed substantially parallel to one another and the polymer matrix comprises at least one first layer and a second layer, said first layer around the metal strands is disposed around and the second layer is disposed about the first layer around, some of the Me ⁇ talllitzen to be laminated between two sheets of a polymeric material, the first layer of Form polymer matrix to form a metal stranded tape, wherein the metal ⁇ strands are formed in one or more planes of the component.
  • a structural member for a motor vehicle comprises a hybrid structure, which is preferably formed of two or more components that are joined together by an adhesive to a structural component to form, which is lighter than a traditional Bau ⁇ part, which is formed of metal.
  • the hybrid component should be substantially free of an overmolding process, with snap closures intended to hold the components together.
  • a reinforced structural member is ⁇ be known, which has a channel-shaped laminated structure of a metal stamping member, a channel-shaped plate member and an intermediate layer made of a structural foam. The component is to be formed by pressing a plate-shaped plastic orform in the channel and the thermal expansion of the synthetic resin to form a structural foam.
  • a hollow-chamber-like ⁇ structural component which comprises an envelope component which extends along a main extension direction, wherein a cover is disposed on the shell component and between both a hollow chamber is formed and arranged a reinforcing structure in the hollow chamber is that comprises a synthetic support structure, which follows the main extent at least in some areas to abut with at least some areas on an inner side of the Hüllkomponente and with at least one reinforcing element, which follows ⁇ at least in some areas of the main extent and on the synthetic support structure Help an adhesive layer is connected.
  • the object of the invention is to provide a composite component for a motor ⁇ vehicles, with which the mounting of will power drive ⁇ tool accelerated and to which a component of high stability ⁇ formality is provided already integrated in the necessary connection areas and functional components.
  • a press-cured structural component will ⁇ least in partial areas created with a plastic component ver ⁇ strengthens and as a common structural component.
  • a preform is produced from a fiber-reinforced plastic according to EP 1 483 137, whereby this preform Formling is designed so that it can be positively inserted into the structural component at the intended location.
  • the PHS-component is coated after completion of press hardening or curing mold while still warm in the region in which the plastic component is to be used with an adhesive layer and in particular ⁇ sprayed and then used the plastic component. Since the plastic component consists of a thermoplastic material, it is ensured in particular in connection with the applied adhesive such that a perfect molding of the plastic part held in the PHS component, through the still existing Tem ⁇ temperature of the pH-component, in particular of 150 ° C up to 350 ° C ei ⁇ ne very good bonding of the adhesive to the phs component ⁇ on the one hand and on the thermoplastic plastic ⁇ plastic component is on the other hand guaranteed.
  • a preform is produced from the plate-like plastic material reinforced with steel strands according to EP 1 483 137, for example an approximately U-shaped preform is produced and then a press-fit reinforcing structure, in particular a grid-like reinforcing structure, is injected into the space enclosed by the preform ,
  • a press-fit reinforcing structure in particular a grid-like reinforcing structure
  • the ⁇ ser lattice-like reinforcing structure which in particular concludes with the free U-limbs of the preform - connecting elements such as threads, threaded nuts, threaded bolts and the like can be injection-injected, which, if these elements on the bottom wall of the preform to survive to the outside, corresponding in the preform Recesses are present.
  • the grid structure and belt rollers for seat belts receiving chambers for airbags and the like are injected into the preform or overmolded in the preform.
  • the preform is then inserted into the PHS component such that its side walls of the U-shape, for example, to side walls of the PHS component form-fitting anlie ⁇ gene, which are disposed adhered to the side walls of the PHS component with an adhesive.
  • the grid structure which is injection-molded for reinforcement, is thus enclosed on all sides by both the phs component and the preform.
  • the plastic component or the preform is placed in the phs component ⁇ , however, wherein the bottom wall of the preform rests on the bottom wall of the phs component and thus the preform is positively inserted on all sides in the phs component ⁇ sets ,
  • the PHS-component with the plastic component is transferred to ⁇ closing together in an injection mold and additionally injected into the plastic form part is a plastic grid or incorporated injection presses.
  • a composite component for a motor vehicle it aims ⁇ , which are then integrated into the motor vehicle by conventional joining techniques, in particular ⁇ sondere welding at the respective welding points, or other joining processes.
  • the plastic component forming material consisting of the Mat ⁇ rix of braided or twisted steel wire elements (strands), which are held by means of fibers and viscose in particular fibers in a defined distance from each other and are laid, for example, crosswise, and the thermoplastic material and optionally inside glass fiber mats used as a flat, plate-like structure, the phs part is still warm from the phs process originating in a form is inserted, the plate-like material according to EP 14 83 137 is placed at the desired location on the phs component and then with a tool possibly also a preheated tool - is formed in the phs-component.
  • an adhesive layer may have been produced on the phs component before the placement of the plate
  • a press-hardened component which has a high rigidity and stability ⁇ formality of itself, is in partial areas additionally reinforced with a plastic element wherein the plastic element itself has a high rigidity and resistance.
  • a composite component with height ⁇ rer manufacturing depth can be installed in a motor vehicle, wherein in the region of the composite material the necessary Anbin- dung areas for threaded fasteners, seat belts, air bags, and the like can be arranged already injected.
  • Figure 1 highly schematic, the production sequence for the component according to the invention
  • Figure 2 is a side view of the component according to the invention as a B-pillar
  • FIG. 3 shows a cross section through the component according to FIG. 2.
  • Starting points of the invention are on the one hand pressgehärte ⁇ te components made of steel, that is, components which are produced in that a steel plate made of a thermally hardenable steel is converted finished in a cold forming, is then heated and cooled again in a special tool, the cooling takes place above the critical hardening speed and thereby curing is performed ⁇ induce or a steel plate is hot formed and then cooled Help ⁇ in the hot forming tool and with the temperature above the curing speed kri ⁇ tables speed and is cured.
  • the finished component can be in particular a structural component ei ⁇ nes motor vehicle, which can be ⁇ sit more complex shapes.
  • the structural component may be a B-pillar of a motor vehicle.
  • the starting point is a so-called EASI material according to EP 1483137, which was also developed by the Appli ⁇ derin, which material is a plattenarti ⁇ ges material which holds a steel wire viscose fabric environmentally, said steel wire Viscose fabric consisting of twisted or braided steel fibers (strands), in particular high-strength steel fibers, which can extend only along one direction or form a lattice network, the steel wire fibers or twisted or braided strands of a plurality of fibers being connected to the viscose fibers. be held each other.
  • the twisted or braided steel fiber strands as warp threads and the viscose fibers as weft threads or vice versa.
  • the steel wire strands can also be used in one
  • Knitted fabric or viscose fabric to be embedded accordingly.
  • This steel wire viscose fabric is processed together with at least one glass fiber mat and an outer thermoplastic film and a flowing out of a thermoplastic extruder to a plate-like material which is entspre ⁇ accordingly through the tissue.
  • the steel wire viscose fabric may be arranged together with the thermoplastic Zvi ⁇ rule two fiber webs, which are delimited on the outside of thermoplastic.
  • This plate-like plastic material 1 ( Figure 1) is pressed in a first process execution in a corresponding mold using the thermoplastic properties of the plastic used to form a preform 2.
  • a PHS member 3 is still warm removed from the forming tool or cooling die, (not shown) in a range in which the bond between the preform 2 and the PHS component 3 to be produced with an adhesive ⁇ material coated and then the pre ⁇ molding 2 inserted positively into the phs component 3.
  • the preform 2 is advantageously steel filaments 4 in front of which, are optionally also to the adhesive ⁇ substance that was applied in contact and insbeson ⁇ particular have at the ends spreadings due to the entanglement or twisting which interact particularly well with the adhesive because they have a large surface area.
  • soldering or welding with the phs material can also be carried out on the protruding ends.
  • the phs component 3 is transferred together with the preform 2 in another tool in which a transfer molding process is performed. By the transfer molding a grid ⁇ structure 5 is formed or injected into the preform 2 and pressed, which due to the temperatures at
  • Injection molding presses supported by the residual temperature of the phs component 3 and thus of the preform 2, connects to the plastic material of the preform 2 and, in particular, forms a one-piece rib structure in the preform.
  • connecting elements (not shown) can be arranged in a known manner also in the lattice structure or with the lattice structure encapsulated.
  • connection elements are, for example screw nuts, threads, threaded bolts, airbag connection elements, Airbagier- receiving elements, Gurtgurtanitatis shame, safety ⁇ belt straps and other conceivable elements that can be included in Strukturbautei ⁇ len of motor vehicles such as A, B or C-pillars, and longitudinal and transverse beams or have to.
  • the rib structure with the described connection elements or functional components can be injected into the preform in order then to insert the preform with the lattice structure into the phs component in the phs component, so that the rib structure is enclosed by the phs material and the preform ,
  • the finished composite component 6 ( Figure 2) has Anbin- extension regions 7, with which it can be attached to a vehicle body a ⁇ .
  • the method sequence is modified to the effect that instead of a preform 2, a plate-like EASI element 1 is placed on the still hot PHS component 3, in the region in which a plastic reinforcement is to be provided, and subsequently with a suitable tool, if necessary, under the help of additional heat in the phs-component form-fit ⁇ is formed.
  • an adhesive layer is disposed between the ⁇ phs-component and the EASI element.
  • a composite component is created in a cost-effective manner, which consists of a high-strength steel component, which is partially reinforced with a plastic, due to their special education ⁇ has a tough fracture behavior and a good energy absorption behavior, with additional attachment areas or Connecting elements for other components in the composite ⁇ component are already included so that the subsequent assembly of the motor vehicle is significantly simplified.
  • the distance of the steel strand from the phs component which is achieved allows the tensile strength of the steel strand to contribute optimally to the strength of the composite component.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Composite Materials (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention relates to a composite component for a motor vehicle, in particular a structural component such as a longitudinal member, cross member, or A-, B-, or C-pillar, wherein the composite component comprises a structural component made of a press-hardened steel and wherein a plastic component is arranged at least in a subsection thereof in a form-fit inserted or molded-in manner in the structural component made of press-hardened steel at least in a subsection thereof, and wherein the plastic component is a component that is reinforced with steel wires and that is substantially made of a thermoplastic plastic and wherein a reinforcement structure such as a rib arrangement is injection molded into the plastic component.

Description

Verbundbauteil für ein Fahrzeug  Composite component for a vehicle
Die Erfindung betrifft ein Verbundbauteil für ein Kraftfahrzeug nach dem Oberbegriff des Anspruchs 1. The invention relates to a composite component for a motor vehicle according to the preamble of claim 1.
Aus der US 2008/0156425 AI ist ein Verfahren zum Herstellen eines Bauteils bekannt, bei dem einige vorimpregnierte Faser¬ materialien angeordnet werden, wobei ein äußerer Prepreg an einem metallischen Bauteilkörper angeordnet wird, wobei der Prepreg-Stapel in eine dreidimensionale Vorform geformt wird, welche in den Bauteilkörper in ein Presswerkzeug eingepresst wird. Bei den Vorformlingen handelt es sich beispielsweise um kohlefaserverstärkte Kunststoffe, die zur Verstärkung als Leichtbaulösung in Strukturbauteile eingesetzt werden sollen. From US 2008/0156425 Al a method for producing a component is known in which some pre-impregnated fiber ¬ materials are arranged, wherein an outer prepreg is disposed on a metallic component body, wherein the prepreg stack is formed into a three-dimensional preform, which is pressed into the component body in a pressing tool. The preforms are, for example, carbon-fiber-reinforced plastics, which are to be used for reinforcement as lightweight construction in structural components.
Aus der DE 10 2008 032 344 AI ist eine Baugruppe bekannt, ins¬ besondere eine Fahrzeugkarosserie. Um ein Bauelement, insbe¬ sondere für diese Fahrzeugkarosserie zu schaffen, welche zum einen den Anforderungen bzgl. Steifigkeit und Festigkeit ge¬ recht wird, zum anderen keine neuen Fügeprozesse erfordert aber trotzdem nur ein geringes Gewicht aufweist, ist hierbei vorgesehen, die Baugruppe von einem mehrteiligen Bauteil aus kohlenstofffaserverstärkten Kunststoff auszubilden. Es handelt sich insbesondere um ein reines faserverstärktes Kunststoff¬ bauteil . Aus der EP 1 483 137 Bl ist ein verstärkter Aufprallträger bekannt, wobei der Aufprallträger eine Polymermatrix und eine metallische Verstärkungsstruktur besitzt, wobei die metalli¬ sche Verstärkungsstruktur Metallfäden bzw. Metalllitzen um- fasst, welche im Wesentlichen parallel zueinander ausgebildet sind und die Polymermatrix zumindest eine erste Schicht und eine zweite Schicht besitzt, wobei die erste Schicht um die Metalllitzen herum angeordnet ist und die zweite Schicht um die erste Schicht herum angeordnet ist, wobei einige der Me¬ talllitzen zwischen zwei Blättern eines Polymermaterials einlaminiert sein sollen, die die erste Schicht der Polymermatrix bilden, um ein Metalllitzenband zu bilden, wobei die Metall¬ litzen in eine oder mehreren Ebenen des Bauteils ausgebildet sind . From DE 10 2008 032 344 AI an assembly is known, in ¬ particular a vehicle body. In order to create a component, in particular ¬ special for this vehicle body, which on the one hand the requirements regarding. Stiffness and strength ge ¬ right, on the other requires no new joining processes but still has only a low weight, this is provided, the assembly of a to form a multipart component of carbon fiber reinforced plastic. It is in particular a pure fiber-reinforced plastic ¬ component. From EP 1483137 Bl a reinforced impact beam is known, wherein the impact beam has a polymer matrix and a metal reinforcing structure, whereby the metalli ¬ specific reinforcement structure summarizes metal threads or metal strands environmentally formed substantially parallel to one another and the polymer matrix comprises at least one first layer and a second layer, said first layer around the metal strands is disposed around and the second layer is disposed about the first layer around, some of the Me ¬ talllitzen to be laminated between two sheets of a polymeric material, the first layer of Form polymer matrix to form a metal stranded tape, wherein the metal ¬ strands are formed in one or more planes of the component.
Aus der US 4,849,147 ist ein Verfahren zum Herstellen einer hohlen faserverstärkten Plastikstruktur bekannt, mit einstückig eingeformten Befestigungsvorrichtungen zum Anordnen externer Komponenten. Die Befestigungsvorrichtung ist an einem Teil aus Fasermaterial angeordnet, in welches Kunstharz einge¬ spritzt wird. Ein Finger hält die Befestigungseinrichtung am Ort während des Einspritzen des Kunststoffs. From US 4,849,147 a method for producing a hollow fiber-reinforced plastic structure is known, with integrally molded fastening devices for arranging external components. The fastening device is arranged on a part of fiber material, in which synthetic resin is injected ¬ . A finger holds the fastener in place during the injection of the plastic.
Aus der US 2007/0277926 AI ist eine Vorrichtung und ein Ver¬ fahren zum Formen eines Strukturbauteils für ein Kraftfahrzeug bekannt und umfasst eine Hybridstruktur, die vorzugsweise aus zwei oder mehreren Komponenten gebildet wird, die miteinander durch einen Klebstoff verbunden sind, um ein Strukturbauteil zu bilden, welches leichter ist als ein traditionelles Bau¬ teil, welches aus Metall ausgebildet ist. Die Hybridkomponente soll im Wesentlichen frei von einem Überformprozess sein, wobei Rastverschlüsse vorgesehen sein sollen, um die Komponenten aneinander zu halten. Aus der US 5,888,600 ist ein verstärktes Strukturbauteil be¬ kannt, welches eine kanalförmige laminierte Struktur besitzt, aus einem Metallstanzbauteil, einem kanalförmig geformten Plattenelement und einer dazwischenliegenden Schicht aus einem Strukturschaum. Das Bauteil soll durch das Pressen einer plat- tenförmigen Kunststoff orform in den Kanal und die thermische Expansion des Kunstharzes zur Bildung eines Strukturschaums gebildet werden. From US 2007/0277926 Al an apparatus and Ver is ¬ go to forming a structural member for a motor vehicle is known, and comprises a hybrid structure, which is preferably formed of two or more components that are joined together by an adhesive to a structural component to form, which is lighter than a traditional Bau ¬ part, which is formed of metal. The hybrid component should be substantially free of an overmolding process, with snap closures intended to hold the components together. From US 5,888,600 a reinforced structural member is ¬ be known, which has a channel-shaped laminated structure of a metal stamping member, a channel-shaped plate member and an intermediate layer made of a structural foam. The component is to be formed by pressing a plate-shaped plastic orform in the channel and the thermal expansion of the synthetic resin to form a structural foam.
Aus der US 2008/0014388 AI ist ein hohlkammerartiges Struktur¬ bauteil bekannt, welches eine Hüllkomponente umfasst, welche sich entlang einer Hauptausdehnungsrichtung erstreckt, wobei eine Abdeckkomponente an der Hüllenkomponente angeordnet ist und zwischen beiden eine hohle Kammer ausgebildet ist und eine Verstärkungsstruktur in der Hohlkammer angeordnet ist, die eine synthetische Stützstruktur umfasst, welche zumindest in manchen Bereichen der Hauptausdehnung folgt, um mit zumindest einigen Bereichen an einer Innenseite der Hüllkomponente anliegt und mit zumindest einem Verstärkungselement, welches zu¬ mindest in manchen Bereichen der Hauptausdehnung folgt und an der synthetischen Stützstruktur mit Hilfe einer Klebstoffschicht angebunden ist. From US 2008/0014388 AI a hollow-chamber-like ¬ structural component is known, which comprises an envelope component which extends along a main extension direction, wherein a cover is disposed on the shell component and between both a hollow chamber is formed and arranged a reinforcing structure in the hollow chamber is that comprises a synthetic support structure, which follows the main extent at least in some areas to abut with at least some areas on an inner side of the Hüllkomponente and with at least one reinforcing element, which follows ¬ at least in some areas of the main extent and on the synthetic support structure Help an adhesive layer is connected.
Aufgabe der Erfindung ist es, ein Verbundbauteil für Kraft¬ fahrzeuge zu schaffen, mit welchem die Montage des Kraftfahr¬ zeuges beschleunigt wird und mit dem ein Bauteil hoher Stabi¬ lität geschaffen wird, bei dem notwendige Anbindungsbereiche und Funktionsbauteile bereits integriert sind. The object of the invention is to provide a composite component for a motor ¬ vehicles, with which the mounting of will power drive ¬ tool accelerated and to which a component of high stability ¬ formality is provided already integrated in the necessary connection areas and functional components.
Erfindungsgemäß wird ein pressgehärtetes Strukturbauteil zu¬ mindest teilbereichsweise mit einem Kunststoffbauteil ver¬ stärkt und so ein gemeinsames Strukturbauteil geschaffen. According to the invention a press-cured structural component will ¬ least in partial areas created with a plastic component ver ¬ strengthens and as a common structural component.
Hierbei wird zunächst aus einem faserverstärktem Kunststoff gemäß EP 1 483 137 ein Vorformling erzeugt, wobei dieser Vor- formling so ausgebildet ist, dass er an der vorgesehenen Stelle formschlüssig in das Strukturbauteil eingesetzt werden kann . In this case, first of all a preform is produced from a fiber-reinforced plastic according to EP 1 483 137, whereby this preform Formling is designed so that it can be positively inserted into the structural component at the intended location.
Das phs-Bauteil wird nach erfolgtem Presshärten oder Formhärten in noch warmem Zustand in dem Bereich, in dem das Kunststoffbauteil eingesetzt werden soll, mit einer Klebstoff¬ schicht beschichtet und insbesondere besprüht und anschließend das Kunststoffbauteil eingesetzt. Da das Kunststoffbauteil aus einem thermoplastischem Kunststoff besteht, ist insbesondere in Verbindung mit dem aufgebrachten Klebstoff sichergestellt, dass eine perfekte Anformung des Kunststoffbauteils an das phs-Bauteil stattfindet, wobei durch die noch bestehende Tem¬ peratur des phs-Bauteils , insbesondere von 150°C bis 350°C ei¬ ne sehr gute Bindung des Klebstoffs an das phs-Bauteil einer¬ seits und an den thermoplastischen Kunststoff des Kunststoff¬ bauteils andererseits gewährleistet ist. The PHS-component is coated after completion of press hardening or curing mold while still warm in the region in which the plastic component is to be used with an adhesive layer and in particular ¬ sprayed and then used the plastic component. Since the plastic component consists of a thermoplastic material, it is ensured in particular in connection with the applied adhesive such that a perfect molding of the plastic part held in the PHS component, through the still existing Tem ¬ temperature of the pH-component, in particular of 150 ° C up to 350 ° C ei ¬ ne very good bonding of the adhesive to the phs component ¬ on the one hand and on the thermoplastic plastic ¬ plastic component is on the other hand guaranteed.
Bei einer ersten Ausführungsform wird zunächst aus dem plattenartigen mit Stahllitzen verstärkten Kunststoffmaterial gemäß EP 1 483 137 ein Vorformling erzeugt, beispielsweise ein angenähert u-förmiger Vorformling erzeugt und anschließend in den von dem Vorformling umschlossenen Raum mit einem Spritzpressverfahren eine Verstärkungsstruktur, insbesondere eine gitterartige Verstärkungsstruktur eingespritzpresst . Mit die¬ ser gitterartigen Verstärkungsstruktur - die insbesondere mit den freien U-Schenkeln des Vorformlings abschließt - können Anbindungselemente wie Gewinde, Gewindemuttern, Gewindebolzen und dergleichen eingespritzpresst werden, wobei, wenn diese Elemente über die Bodenwandung des Vorformlings nach außen überstehen soll, im Vorformling entsprechende Ausnehmungen vorhanden sind. Zudem können aber mit der Gitterstruktur auch Gurtrollen für Sicherheitsgurte, Aufnahmekammern für Airbags und dergleichen in den Vorformling eingespritzt bzw. im Vor- formling umspritzt werden. In a first embodiment, first of all a preform is produced from the plate-like plastic material reinforced with steel strands according to EP 1 483 137, for example an approximately U-shaped preform is produced and then a press-fit reinforcing structure, in particular a grid-like reinforcing structure, is injected into the space enclosed by the preform , With the ¬ ser lattice-like reinforcing structure - which in particular concludes with the free U-limbs of the preform - connecting elements such as threads, threaded nuts, threaded bolts and the like can be injection-injected, which, if these elements on the bottom wall of the preform to survive to the outside, corresponding in the preform Recesses are present. In addition, however, with the grid structure and belt rollers for seat belts, receiving chambers for airbags and the like are injected into the preform or overmolded in the preform.
Der Vorformling wird anschließend in das phs-Bauteil derart eingesetzt, dass seine Seitenwandungen der beispielsweise U- Form an Seitenwandungen des phs-Bauteils formschlüssig anlie¬ gen, wobei diese an den Seitenwandungen des phs-Bauteils mit einem Klebstoff verklebt angeordnet sind. The preform is then inserted into the PHS component such that its side walls of the U-shape, for example, to side walls of the PHS component form-fitting anlie ¬ gene, which are disposed adhered to the side walls of the PHS component with an adhesive.
Die Gitterstruktur, die zur Verstärkung eingespritzpresst ist, wird somit allseitig, sowohl vom phs-Bauteil als auch vom Vor- fomling umschlossen. The grid structure, which is injection-molded for reinforcement, is thus enclosed on all sides by both the phs component and the preform.
Bei einer weiteren vorteilhaften Ausführungsform wird das Kunststoffbauteil bzw. der Vorformling in das phs-Bauteil ein¬ gesetzt, wobei jedoch die Bodenwandung des Vorformlings auf der Bodenwandung des phs-Bauteils aufliegt und insofern der Vorformling formschlüssig allseitig in das phs-Bauteil einge¬ setzt ist. Das phs-Bauteil mit dem Kunststoffbauteil wird an¬ schließend zusammen in eine Spritzgussform überführt und in das Kunststoffformteil zusätzlich ein Kunststoffgitter eingespritzt oder eingespritzpresst . Mit diesem Gittermuster können weitere Funktionsbauteil in das Kunststoffbauteile ein- bzw. umspritzt werden, insbesondere Gewinde, Gewindemuttern, Gewin¬ debolzen, Aufnahmen, insbesondere verschiebliche Aufnahmen für Gurte, Gurtrollen, Anbindungspunkte für eine Innenverkleidung oder Dachverkleidung, Anbindungspunkte für Airbag- Vorrichtungen und dergleichen. In a further advantageous embodiment, the plastic component or the preform is placed in the phs component ¬ , however, wherein the bottom wall of the preform rests on the bottom wall of the phs component and thus the preform is positively inserted on all sides in the phs component ¬ sets , The PHS-component with the plastic component is transferred to ¬ closing together in an injection mold and additionally injected into the plastic form part is a plastic grid or incorporated injection presses. With this grid pattern further functional component in the plastic components can be injected or encapsulated, in particular thread, threaded nuts, threaded ¬ debolzen, recordings, in particular slidable receivers for straps, Gurtrollen, connection points for interior trim or roof trim, connection points for airbag devices and the like.
Im Ergebnis wird ein Verbundbauteil für ein Kraftfahrzeug er¬ zielt, welches anschließend mit üblichen Fügetechniken, insbe¬ sondere Schweißen an den entsprechenden Schweißpunkten oder anderen Fügeverfahren ins Kraftfahrzeug eingebunden werden. Bei einer weiteren vorteilhaften Ausführungsform wird das Kunststoffbauteil ausbildende Material, bestehend aus der Mat¬ rix aus geflochtenen oder verdrillten Stahldrahtelementen (Litzen) , die mittels Fasern und insbesondere Viskosefasern in definiertem Abstand zueinander gehalten werden und beispielsweise kreuzweise verlegt sind, sowie des thermoplastischen Kunststoffs und gegebenenfalls innenliegend Glasfasermatten als flächiges, plattenartiges Gebilde verwendet, wobei das phs-Teil noch warm aus dem phs-Prozess stammend in eine Form eingelegt wird, das plattenartige Material gemäß EP 14 83 137 an der gewünschten Stelle auf das phs-Bauteil aufgelegt wird und anschließend mit einem Werkzeug gegebenenfalls auch einem vorgewärmten Werkzeug - in das phs-Bauteil eingeformt wird. Auch bei dieser Vorgehensweise kann vor dem Auflegen des plattenartigen Elements eine KlebstoffSchicht auf dem phs-Bauteil erzeugt worden sein. As a result, a composite component for a motor vehicle, it aims ¬, which are then integrated into the motor vehicle by conventional joining techniques, in particular ¬ sondere welding at the respective welding points, or other joining processes. In a further advantageous embodiment, the plastic component forming material consisting of the Mat ¬ rix of braided or twisted steel wire elements (strands), which are held by means of fibers and viscose in particular fibers in a defined distance from each other and are laid, for example, crosswise, and the thermoplastic material and optionally inside glass fiber mats used as a flat, plate-like structure, the phs part is still warm from the phs process originating in a form is inserted, the plate-like material according to EP 14 83 137 is placed at the desired location on the phs component and then with a tool possibly also a preheated tool - is formed in the phs-component. In this procedure as well, an adhesive layer may have been produced on the phs component before the placement of the plate-like element.
Die Einbindung des Bauteils erfolgt dann wie im ersteren Fall. The integration of the component then takes place as in the former case.
Bei der Erfindung ist von Vorteil, dass ein pressgehärtetes Bauteil, welches von sich aus eine hohe Steifigkeit und Stabi¬ lität besitzt, teilbereichsweise mit einem Kunststoffelement zusätzlich verstärkt wird, wobei das Kunststoffelement selber eine hohe Steifigkeit und Widerstandsfähigkeit besitzt. Dar¬ über hinaus ist von Vorteil, dass ein Verbundbauteil mit höhe¬ rer Fertigungstiefe in ein Kraftfahrzeug einbaubar ist, wobei im Bereich des Materialsverbundes auch die notwendigen Anbin- dungsbereiche für Schraubverbindungen, Sicherheitsgurte, Air- bags und dergleichen bereits eingespritzt angeordnet werden können. Die Erfindung wird beispielhaft anhand einer Zeichnung erläutert. Es zeigen dabei: In the invention, it is advantageous that a press-hardened component, which has a high rigidity and stability ¬ formality of itself, is in partial areas additionally reinforced with a plastic element wherein the plastic element itself has a high rigidity and resistance. Dar ¬ beyond is advantageous that a composite component with height ¬ rer manufacturing depth can be installed in a motor vehicle, wherein in the region of the composite material the necessary Anbin- dung areas for threaded fasteners, seat belts, air bags, and the like can be arranged already injected. The invention will be explained by way of example with reference to a drawing. It shows:
Figur 1: stark schematisiert, die Fertigungsabfolge für das erfindungsgemäße Bauteil; Figur 2: eine seitliche Ansicht des erfindungsgemäßen Bauteils als B-Säule; Figure 1: highly schematic, the production sequence for the component according to the invention; Figure 2 is a side view of the component according to the invention as a B-pillar;
Figur 3: einen Querschnitt durch das Bauteil nach Figur 2. FIG. 3 shows a cross section through the component according to FIG. 2.
Ausgangspunkte für die Erfindung sind einerseits pressgehärte¬ te Bauteile aus Stahl, d.h. Bauteile, die dadurch hergestellt werden, dass eine Stahlplatine aus einem thermisch härtbaren Stahl in einem Kaltumformverfahren fertig umgeformt wird, anschließend aufgeheizt wird und in einem speziellen Werkzeug wieder abgekühlt wird, wobei die Abkühlung über die kritische Härtegeschwindigkeit erfolgt und dadurch eine Härtung herbei¬ geführt wird oder eine Stahlplatine warm umgeformt wird und in dem Warmumformwerkzeug anschließend auch mit der über der kri¬ tischen Härtegeschwindigkeit liegenden Geschwindigkeit abge¬ kühlt und gehärtet wird. Starting points of the invention are on the one hand pressgehärte ¬ te components made of steel, that is, components which are produced in that a steel plate made of a thermally hardenable steel is converted finished in a cold forming, is then heated and cooled again in a special tool, the cooling takes place above the critical hardening speed and thereby curing is performed ¬ induce or a steel plate is hot formed and then cooled abge ¬ in the hot forming tool and with the temperature above the curing speed kri ¬ tables speed and is cured.
Das fertige Bauteil kann insbesondere ein Strukturbauteil ei¬ nes Kraftfahrzeuges sein, welches auch komplexere Formen be¬ sitzen kann. Beispielsweise kann das Strukturbauteil eine B- Säule eines Kraftfahrzeuges sein. The finished component can be in particular a structural component ei ¬ nes motor vehicle, which can be ¬ sit more complex shapes. For example, the structural component may be a B-pillar of a motor vehicle.
Darüber hinaus ist der Ausgangspunkt ein sogenanntes EASI- Material gemäß EP 1 483 137 , welches ebenfalls von der Anmel¬ derin entwickelt wurde, wobei dieses Material ein plattenarti¬ ges Material ist, welches ein Stahldraht-Viskose-Gewebe um- fasst, wobei dieses Stahldraht-Viskose-Gewebe aus verdrillten oder geflochtenen Stahlfasern (Litzen) , insbesondere hochfesten Stahlfasern einerseits besteht, die nur entlang einer Richtung sich erstrecken können oder ein Gitternetzwerk bilden können, wobei die Stahldrahtfasern bzw. verdrillten oder geflochtenen Litzen aus mehreren Fasern mit den Viskosefäden an- einandergehalten werden. Insbesondere können die verdrillten oder geflochtenen Stahlfaserlitzen als Kettfäden und die Viskosefasern als Schussfäden oder umgekehrt ausgebildet sein. Darüber hinaus können die Stahldrahtlitzen auch in einem Moreover, the starting point is a so-called EASI material according to EP 1483137, which was also developed by the Appli ¬ derin, which material is a plattenarti ¬ ges material which holds a steel wire viscose fabric environmentally, said steel wire Viscose fabric consisting of twisted or braided steel fibers (strands), in particular high-strength steel fibers, which can extend only along one direction or form a lattice network, the steel wire fibers or twisted or braided strands of a plurality of fibers being connected to the viscose fibers. be held each other. In particular, the twisted or braided steel fiber strands as warp threads and the viscose fibers as weft threads or vice versa. In addition, the steel wire strands can also be used in one
Gestrick oder Gewebe aus Viskose entsprechend eingebettet sein . Knitted fabric or viscose fabric to be embedded accordingly.
Dieses Stahldraht-Viskose-Gewebe wird zusammen mit zumindest einer Glasfasermatte und einer außenliegenden Thermoplastfolie sowie einem aus einem Extruder ausfließenden Thermoplast zu einem plattenartigen Material verarbeitet, welches entspre¬ chend durch das Gewebe verstärkt ist. Insbesondere kann das Stahldraht-Viskose-Gewebe zusammen mit dem Thermoplast zwi¬ schen zwei Glasfaserbahnen angeordnet sein, die außenseitig von Thermoplast abgegrenzt werden. This steel wire viscose fabric is processed together with at least one glass fiber mat and an outer thermoplastic film and a flowing out of a thermoplastic extruder to a plate-like material which is entspre ¬ accordingly through the tissue. In particular, the steel wire viscose fabric may be arranged together with the thermoplastic Zvi ¬ rule two fiber webs, which are delimited on the outside of thermoplastic.
Dieses plattenartige Kunststoffmaterial 1 (Figur 1) wird bei einer ersten Verfahrensausführung in einer entsprechenden Pressform unter Nutzung der thermoplastischen Eigenschaften des verwendeten Kunststoffs zu einem Vorformling 2 verpresst. In einer weiteren Verfahrensstufe wird ein phs-Bauteil 3 noch warm aus dem Umformwerkzeug oder Abkühlwerkzeug entnommen, in einem Bereich, in dem der Verbund zwischen dem Vorformling 2 und dem phs-Bauteil 3 hergestellt werden soll, mit einem Kleb¬ stoff (nicht gezeigt) beschichtet und anschließend der Vor¬ formling 2 in das phs-Bauteil 3 formschlüssig eingesetzt. Über die Außenkanten des Vorformlings 2 stehen vorteilhafterweise Stahlfäden 4 vor, welche gegebenenfalls auch mit dem Kleb¬ stoff, der aufgebracht wurde, in Kontakt stehen und insbeson¬ dere aufgrund der Verflechtung oder Verdrillung an den Enden Aufspreizungen besitzen, die besonders gut mit dem Klebstoff zusammenwirken können, da sie eine große Oberfläche haben. An den überstehenden Enden kann aber auch eine Verlötung oder Verschweißung mit dem phs-Material durchgeführt werden. Nach dem Einsetzen des Vorformlings 2 in das phs-Bauteil 3 wird das phs-Bauteil 3 zusammen mit dem Vorformling 2 in ein weiteres Werkzeug überführt, in dem ein Spritzpressverfahren durchgeführt wird. Durch das Spritzpressen wird eine Gitter¬ struktur 5 in den Vorformling 2 eingeformt bzw. eingespritzt und gepresst, welche sich aufgrund der Temperaturen beim This plate-like plastic material 1 (Figure 1) is pressed in a first process execution in a corresponding mold using the thermoplastic properties of the plastic used to form a preform 2. In a further process step, a PHS member 3 is still warm removed from the forming tool or cooling die, (not shown) in a range in which the bond between the preform 2 and the PHS component 3 to be produced with an adhesive ¬ material coated and then the pre ¬ molding 2 inserted positively into the phs component 3. Beyond the outer edges of the preform 2 are advantageously steel filaments 4 in front of which, are optionally also to the adhesive ¬ substance that was applied in contact and insbeson ¬ particular have at the ends spreadings due to the entanglement or twisting which interact particularly well with the adhesive because they have a large surface area. However, soldering or welding with the phs material can also be carried out on the protruding ends. After inserting the preform 2 in the phs component 3, the phs component 3 is transferred together with the preform 2 in another tool in which a transfer molding process is performed. By the transfer molding a grid ¬ structure 5 is formed or injected into the preform 2 and pressed, which due to the temperatures at
Spritzpressen, unterstützt durch die Resttemperatur des phs- Bauteils 3 und damit des Vorformlings 2 mit dem Kunststoffma- terial des Vorformlings 2 verbindet und insbesondere eine einstückige Rippenstruktur in dem Vorformling ausbildet. Injection molding presses, supported by the residual temperature of the phs component 3 and thus of the preform 2, connects to the plastic material of the preform 2 and, in particular, forms a one-piece rib structure in the preform.
Mit dem Einspritzen der Gitterstruktur 5 in den Vorformling 2 können in an sich bekannter Weise auch in der Gitterstruktur oder mit der Gitterstruktur Anbindungselemente (nicht gezeigt) umspritzt angeordnet werden. With the injection of the lattice structure 5 in the preform 2 connecting elements (not shown) can be arranged in a known manner also in the lattice structure or with the lattice structure encapsulated.
Solche Anbindungselemente sind beispielsweise Schraubmuttern, Gewinde, Gewindebolzen, Airbaganbindungselemente, Airbagauf- nahmeelemente, Sicherheitsgurtanbindungselemente, Sicherheits¬ gurtgurtrollen u.a. denkbare Elemente, die in Strukturbautei¬ len von Kraftfahrzeugen wie A-, B- oder C-Säulen, sowie Längsund Querträgern aufgenommen werden können werden oder müssen. Such connection elements are, for example screw nuts, threads, threaded bolts, airbag connection elements, Airbagauf- receiving elements, Gurtgurtanbindungselemente, safety ¬ belt straps and other conceivable elements that can be included in Strukturbautei ¬ len of motor vehicles such as A, B or C-pillars, and longitudinal and transverse beams or have to.
Alternativ kann zunächst die Rippenstruktur mit den beschriebenen Anbindungselemente oder Funktionsbauteilen in den Vorformling eingespritzpresst werden, um dann den Vorformling mit der Gitterstruktur zum phs-Bauteil hin in das phs-Bauteil eingesetzt werden, so dass die Rippenstruktur vom phs-Material und der Vorformling umschlossen wird. Alternatively, first the rib structure with the described connection elements or functional components can be injected into the preform in order then to insert the preform with the lattice structure into the phs component in the phs component, so that the rib structure is enclosed by the phs material and the preform ,
Das fertige Verbundbauteil 6 (Figur 2) verfügt über Anbin- dungsbereiche 7, mit denen es in eine Fahrzeugkarosserie ein¬ gebunden werden kann. Bei einer weiteren vorteilhaften Ausführungsform ist der Verfahrensablauf dahingehend geändert, dass an Stelle eines Vor- formlings 2 ein plattenartiges EASI-Element 1 auf das noch warme phs-Bauteil 3, im Bereich, in dem eine KunststoffVerstärkung vorgesehen sein soll, aufgelegt wird und anschließend mit einem geeigneten Werkzeug, gegebenenfalls unter zu Hilfe- nahme weiterer Wärme in das phs-Bauteil formschlüssig einge¬ formt wird. The finished composite component 6 (Figure 2) has Anbin- extension regions 7, with which it can be attached to a vehicle body a ¬. In a further advantageous embodiment, the method sequence is modified to the effect that instead of a preform 2, a plate-like EASI element 1 is placed on the still hot PHS component 3, in the region in which a plastic reinforcement is to be provided, and subsequently with a suitable tool, if necessary, under the help of additional heat in the phs-component form-fit ¬ is formed.
Die weiter sich anschließenden Verfahrensstufen entsprechen der ersten Ausführungsform, wobei das Verbundbauteil dem der ersten Ausführungsform entspricht. The further subsequent process steps correspond to the first embodiment, wherein the composite component corresponds to that of the first embodiment.
Auch bei dieser zweiten vorteilhaften Ausführungsform wird zwischen dem phs-Bauteil und dem EASI-Element eine Klebstoff¬ schicht angeordnet. Also in this second advantageous embodiment, an adhesive layer is disposed between the ¬ phs-component and the EASI element.
Bei der Erfindung ist von Vorteil, dass in kostengünstiger Weise ein Verbundbauteil geschaffen wird, welches aus einem hochfesten Stahlbauteil besteht, welches teilbereichsweise mit einem Kunststoff verstärkt ist, aufgrund ihrer speziellen Aus¬ bildung ein zähes Bruchverhalten und ein gutes Energieabsorptionsverhalten besitzt, wobei zusätzlich Anbindungsbereiche oder Anbindungselemente für weitere Bauteile in dem Verbund¬ bauteil bereits derart enthalten sind, dass die anschließende Montage des Kraftfahrzeuges deutlich vereinfacht wird. In the invention, it is advantageous that a composite component is created in a cost-effective manner, which consists of a high-strength steel component, which is partially reinforced with a plastic, due to their special education ¬ has a tough fracture behavior and a good energy absorption behavior, with additional attachment areas or Connecting elements for other components in the composite ¬ component are already included so that the subsequent assembly of the motor vehicle is significantly simplified.
Bei einer Ausführungsform mit einer vom phs-Bauteil und dem Vorformling umschlossenen Rippenstruktur ist von Vorteil, dass durch den Abstand der Stahllitze vom phs-Bauteil, der hindurch erzielt wird, die Zugfestigkeit der Stahllitze optimal zur Festigkeit des Verbundbauteils beitragen kann. In an embodiment with a rib structure enclosed by the phs component and the preform, it is advantageous that the distance of the steel strand from the phs component which is achieved allows the tensile strength of the steel strand to contribute optimally to the strength of the composite component.

Claims

Patentansprüche claims
1. Verbundbauteil für ein Kraftfahrzeug, insbesondere Struk¬ turbauteil wie Längsträger, Querträger oder A-, B- oder C—Säule, wobei das Verbundbauteil aus einem Strukturbau¬ teil aus einem pressgehärteten Stahl ausgebildet ist und in dem Strukturbauteil aus pressgehärtetem Stahl zumindest teilbereichsweise ein Kunststoffbauteil zumindest teilbereichsweise formschlüssig eingesetzt oder einge¬ formt angeordnet ist und wobei das Kunststoffbauteil ein mit Stahldrahtlitzen verstärktes Bauteil im Wesentlichen aus einem thermoplastischen Kunststoff ist und wobei in das Kunststoffbauteil eine Verstärkungsstruktur wie eine Verrippung eingespritzpresst (injection molding) ist. 1. Composite component for a motor vehicle, in particular structural ¬ tur component such as side members, cross member or A-, B- or C-pillar, wherein the composite component of a Strukturbau ¬ part is formed of a press-hardened steel and in the structural component of press-hardened steel at least partially a Plastic component is at least partially positively inserted or arranged ¬ formed and wherein the plastic component is a steel wire strands reinforced component substantially of a thermoplastic material and wherein in the plastic component, a reinforcing structure such as a ribbing injection molding (injection molding) is.
2. Verbundbauteil nach Anspruch 1, dadurch gekennzeichnet, dass das Kunststoffbauteil in das Stahlbauteil eingeklebt ist . 2. Composite component according to claim 1, characterized in that the plastic component is glued into the steel component.
3. Verbundbauteil nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass mit der Verrippung Anbindungselemente und Funktionsbauteil für an das Strukturbauteil anzubindende Elemente eingespritzt bzw. eingeformt sind. 3. Composite component according to claim 1 or 2, characterized in that with the ribbing connecting elements and functional component are injected or molded for to be connected to the structural component elements.
4. Verbundbauteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass überstehende Litzen des Vor- formlings mit dem phs-Bauteil verklebt, verlötet oder verschweißt sind. 4. Composite component according to one of the preceding claims, characterized in that protruding strands of the preform are glued to the phs component, soldered or welded.
EP10805611A 2010-02-09 2010-12-29 Composite component for a vehicle Withdrawn EP2533970A1 (en)

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US20130052392A1 (en) 2013-02-28

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