EP1765535A1 - Procede de production d'un composant, notamment d'une traverse de vehicule automobile, ce composant et son utilisation - Google Patents

Procede de production d'un composant, notamment d'une traverse de vehicule automobile, ce composant et son utilisation

Info

Publication number
EP1765535A1
EP1765535A1 EP05768109A EP05768109A EP1765535A1 EP 1765535 A1 EP1765535 A1 EP 1765535A1 EP 05768109 A EP05768109 A EP 05768109A EP 05768109 A EP05768109 A EP 05768109A EP 1765535 A1 EP1765535 A1 EP 1765535A1
Authority
EP
European Patent Office
Prior art keywords
guide channel
base body
attachment
component
prefabricated
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Withdrawn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
EP05768109A
Other languages
German (de)
English (en)
Inventor
Martin Derleth
Jochen Schmitz
Gregor Specht
Walter Wolf
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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 Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP1765535A1 publication Critical patent/EP1765535A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Definitions

  • the invention relates to a method for producing a component, in particular a cross member for arranging between A-pillars of a motor vehicle and on such a manufactured component itself and to the use of such a component.
  • cross members which consist of metal and correspondingly have large wall thicknesses.
  • the wall thicknesses are designed to be sufficiently rigid in terms of shape, bending, buckling and torsion, and thus for sufficient compressive strength.
  • the cross member configured as a tube or hollow profile is in principle suitable for guiding air, for example from an air conditioning system arranged centrally in the front region of the vehicle, to lateral outlets.
  • Such a cross member is known, for example, from DE 100 64 522 A1.
  • the cross member for weight reduction from acht ⁇ construction material, in particular made of a light metal in the manner of a shell component or body formed in which for sufficient rigidity and compressive strength of the cross member at least one guide channel forming plastic core is arranged.
  • the channel is provided with openings.
  • attachment parts for example screw domes, film hinges, cable holders, cable guides, cable channels, holders or receptacles for components of all kinds, bearing journals, mounting clips and ready-mounted subassemblies to such a base body.
  • attachment parts for example screw domes, film hinges, cable holders, cable guides, cable channels, holders or receptacles for components of all kinds, bearing journals, mounting clips and ready-mounted subassemblies.
  • DE 44 09 081 C1 discloses a movable, in a vehicle body einmontierba ⁇ re unit for the front wall and cockpit area of a passenger car known, which is formed in its supporting substance of two composite parts, each of deep drawn sheet metal and it consist of molded plastic.
  • one composite part forms the end wall as front end wall of the passenger compartment and the other composite part the instrument panel carrier, wherein the sheet metal part of each Verbundtei- les is shaped so that with him the large-scale power flow in recording the operating load within the composite part and at the connection points to Body is taken into account and anchoring points for the molded plastic for positive locking anchoring of the plastic to the sheet metal part are created by locally targeted attachment of holes, apertures and / or issued tongues.
  • the molded plastic is shaped so that with him on the one hand the sheet metal parts stiffening ribbing and the other form-adapted receptacles for the various attachments are formed.
  • functional elements such as channels and cable holder can be formed from the plastic.
  • DE 101 25 559 A1 describes a method for producing a composite part from a metal component and a plastic structure, in which the metal component, which has at least one surface with at least one punched edge, and the plastic structure are inserted into joining tools and the joining tools are brought together be, with the punching edge form and frictionally pressed into the plastic structure.
  • the metal component which has at least one surface with at least one punched edge
  • the plastic structure are inserted into joining tools and the joining tools are brought together be, with the punching edge form and frictionally pressed into the plastic structure.
  • the invention is therefore based on the object to improve the known from the prior art component, in particular a cross member with respect to a particularly lightweight embodiment and a simple and quick production.
  • the object is achieved according to the invention by a method for the production of a component having the features of claim 1 and the component itself having the features of claim 37 as well as uses of the component having the features of claims 38 and 39.
  • a metallic base body with a closed profile cross member is provided. cut and a predetermined course of one or more Segmen ⁇ th prefabricated and introduced later in the prefabricated body at least one Füh ⁇ channel, wherein the guide channel is formed of a flexible material which is moldable for mounting in an assembly mold, so that the guide channel in the mounting form is introduced at least for a section ⁇ area or in the prefabricated body and added flexibly to an associated region of the body at its profile cross-section and its course positive fit and / or non-positively during assembly.
  • a component with an integrated guide channel for. B. a cockpit cross member with an integrated air duct, in particular an inner insulated Ka ⁇ made.
  • the guide channel is mechanically added or formed.
  • the guide channel is preferably introduced as a flexible prefabricated hollow body.
  • a foam sheet or a compact thin sheet is used as the hollow body.
  • the hollow body has a thickness of 2 mm to 6 mm and a density of 0.030 kg / l to 0.2 kg / l, in particular from 0.050 kg / l to 0.12 kg / l.
  • a polyurethane foam or polypropylene foam is used as a result, a particularly lightweight design of the guide channel as a plastic channel is ensured.
  • the guide channel may be attached by rotational molding.
  • the base body can be used as a tool and be acted upon with a one- or multi-axis rotation.
  • a coating material in particular a plastic powder
  • the base body is at least partially set in rotation, eg, in the base body. B. rocked or rotated, and heated.
  • the plastic powder is distributed in the base body and added to the inner wall of the body, in particular attached itself adhesive.
  • the base body has openings in which the coating material is additionally added.
  • a thermoplastic such as, for example, at least polyethylene, polypropylene, polyamide, polycarbonate or polyvinyl chloride is expediently used as the coating material.
  • the guide channel is cast onto the base body by means of sputtering.
  • a coating is added to the base body.
  • a coating material is introduced into the previously joined main body or body clamped together, while the main body revolves around its central axis at high speed. The centrifugal force hurls the coating material in uniform density and thickness against the previously warmed inner surface and thus the component structure of the main body. It takes place in the manner of a lining, an inner coating of the body.
  • polyurethane foam, cast polyamide, a varnish with or without additional insulating particles and / or suspending agents is used as the coating material during centrifugal casting.
  • slightly foamed particle materials or hollow microspheres are used with a binder, whereby the lining or coating is held together and / or adheres to the inner surface or wall of the base body.
  • the coating with a layer thickness of 0.3 mm to 3 mm, in particular 0.5 mm to 1 mm added.
  • the layer thickness can vary.
  • the coating For a particularly secure and permanent attachment of the coating to the inner surface or structure of the base body, it is expediently heated by means of a heating element which at least partially surrounds the base body.
  • a heating element which at least partially surrounds the base body. This allows a quick and secure attachment of the broom ichtungsstoffs when applying this by mechanical joining, rotational molding or centrifugal casting.
  • the heating element can surround the tool from the outside and be formed separately.
  • the heating of the base body in a heating chamber can take place in advance or during the production process.
  • the body is connected to an opening, for. B. inlet and / or outlet opening, provided with a hollow profilar- shaped part.
  • the molded part is manufactured beforehand in accordance with the desired deflection and / or transitions and inserted into inlet and / or outlet openings of the guide channel.
  • the molded part can be provided by rotational molding or centrifugal casting with a Beschich ⁇ device.
  • a transition formed between the molded part and the guide channel is sealed cohesively, positively and / or positively.
  • a component produced in this way with an integrated guide channel and flow inlet and / or outlet ports makes it possible, for example, to use it as a crossbeam with an integrated flow channel, in particular an air duct for air conditioning a vehicle interior.
  • an acoustically and / or thermally insulating channel in particular a plastic channel
  • an insulating layer is additionally introduced, in particular applied to the inner lining of the guide channel.
  • the insulation layer may be applied to the inner surface of the base body as a whole or completely, ie along the entire guide channel.
  • Both the coating for forming the guide channel and the insulating layer can be multi-layered or single-layered or together form a single layer. In this case, all layers can be formed from a layer material or different layer materials.
  • a layer material for.
  • insulating material or coating material polyurethane foam, a particle foam, in particular a foam of thermoplastics, in particular polyethylene, polypropylene, elastomers is used in foamed or compact state, for example.
  • the Isola ⁇ tion layer can also be used for other functions, such.
  • the insulating layer it is applied with a thickness of 0.1 mm to 8 mm.
  • a film material having a thickness of 0.1 mm to 2 mm, in particular a foamed film having a thickness of 2 mm to 8 mm, in particular 3 mm to 6 mm is used as insulation material for the insulation layer.
  • the insulation layer can be applied with a corresponding thickness to the inner surface of the base body during rotational or centrifugal casting, for. B. be sprayed or poured.
  • the guide channel is preferably provided at least one opening with a sealing device.
  • a sealing device may be provided, for example in the form of sealing lips, sealing rings.
  • the sealing device can be formed by the coating material applied and adhering to the heated body, in particular by the coating be formed by the powder by rotary molding or Schleuder ⁇ introduced coating powder corresponding columns, Ausneh ⁇ mungen, etc. closes and thus seals the body and consequently also the entire component.
  • an attachment in particular a prefabricated attachment can be attached to the body.
  • the attachment is already attached in the prefabrication of the body.
  • the attachment may also be retrofitted, in particular after the guide channel has already been inserted and attached, or while attached to the base body.
  • the attachment z. B. attached to a Verbin ⁇ Dungsstelle by material, force and / or positively connected to the base body at this juncture.
  • the attachment part is pushed at least partially into the base body, so that the attachment part is at least partially molded in the inserted region, for example during the subsequent insertion of the guide channel.
  • kraft- and / or cohesively ange ⁇ is added.
  • a container, a cable holder and / or another fastening element are attached to the cross member as an attachment.
  • the base body is preferably composed of at least two segments, in particular longitudinal and / or transverse segments.
  • the individual segments can form channels, chambers and / or partitions.
  • a closed and single, double or multi-walled metal profile is used as the main body.
  • the basic body can be formed from two half-shells or one half-shell with cover.
  • the guide channel in the body only partially integrated, in particular be joined. For example, only part of the Base body used as a flow channel, flow outlet and / or flow inlet.
  • the basic body is prefabricated with a component and a prefabricated guide channel is subsequently added to the main body on the inside.
  • the main body can be prefabricated with the subsequently inserted guide channel and a Anbau ⁇ be attached later part. This allows a high degree of flexibility even when retrofitting additional attachments.
  • attachment there is for example an instrument panel mount, a screw dome, a film hinge, a cable holder, a cable guide, a mounting support for steering, airbag and / or a holding element attached.
  • the attachment is formed in the region of the attachment part from an injection molding material, in particular plastic.
  • the attachment can be added via a further connection point.
  • the further connection point is designed as a clamping connection, a latching connection, a clip connection, a screw connection, an adhesive connection and / or a crimp connection.
  • the junction of the joint is itself formed from a Spritz ⁇ casting material, in particular plastic, which is formed when attached to the joint.
  • the component manufactured by means of the described manufacturing method serves, in particular, as a cross member for arranging between A pillars of a motor vehicle for use as an air duct for an air conditioning system.
  • the component can be used as instrument panel carrier in a motor vehicle, wherein the guide channel is an air duct and / or a cable channel.
  • the component produced in this way can be used as an instrument panel carrier in a motor vehicle a transverse support arranged in a motor vehicle under a windshield, the guide duct being an air duct for guiding one of the windshield and / or the side windows to be supplied with airflow and / or for heating a wiper blade support.
  • the advantages achieved by the invention are in particular that can be made by a subsequent addition of a guide channel into a Grundkör ⁇ by a component of a few prefabricated elements.
  • a flangeless component is possible, as a result of which the component requires particularly little installation space.
  • the subsequent application of the guide channel to the inner surface of the base body as a function of component stability reliably avoids the use of a complex hybrid tool.
  • simple shape changes, z. B. wall thickness changes, in the component with an subsequently by rotation molding or centrifugal casting or mechanical joining integ ⁇ integrated guide channel possible because no tool adjustment, in particular no shape adjustment is required.
  • the guide channel is prefabricated with the desired wall thickness during the mechanical joining or, in the case of rotational molding or centrifugal casting, is introduced by supplying a corresponding filling or coating quantity and at a corresponding rotational speed with a resulting wall thickness as a coating.
  • the manufacturing method of such a component is particularly material-saving, so that the component has a particularly low weight auf ⁇ , whereby the component is particularly suitable for use in a vehicle.
  • a subsequent introduction of the guide channel in the body can be to any method, in particular joining method, z.
  • rotary molding, centrifugal casting, injection molding, Anfor ⁇ men, welding, clinching, clamps are used.
  • such a component is particularly suitable for subsequent changes, eg. B. attaching additional attachments or functional elements, eg. B. an addi tional cable holder.
  • 1 is a longitudinal sectional view of a component with a base body
  • FIG. 2 is a longitudinal sectional view of a guide channel for integration on a base support according to FIG. 1, FIG.
  • FIG. 6 schematically shows a part of a base body with integrated guide channel in the region of an inlet or outlet opening in longitudinal section
  • FIG. 12 schematically shows an embodiment for a component with integrated guide channel, which has a varying flow cross-section
  • FIG. 13 to 19 schematically different embodiments of a component of several segments with integrated guide channel and attachments
  • Figure 1 shows schematically in cross-section as part of a component 1, e.g. a cross member for arranging between not-shown A-pillars of a non-illustrated vehicle, a main body 2.
  • the component 1 serves, for example, as an instrument panel support for an air conditioning and / or heating system.
  • the component 1 can serve as a cross member disposed in a vehicle under a windshield, which is provided as an air duct for air conditioning the vehicle interior and for defrosting the windshield or windshield.
  • the main body 2 spielmud openings 3, z. B. inlet openings 3.1 and / or Trust ⁇ openings 3.2, on.
  • the component 1 has as one component the main body 2, which is preferably formed from sheet metal, in particular from a light metal sheet, for example from aluminum sheet or fine steel sheet or also from steel, titanium, magnesium.
  • the main body 2 is executed in the embodiment as a hollow profile, ins ⁇ special tube-like.
  • the base body 2 can also be designed as a hollow profile with a polygonal cross-section.
  • the hollow profile-like basic body 2 can be made of this single-walled or multi-walled.
  • the metallic Grund ⁇ body 2 shown in Figure 1 for example, with a closed profile cross-section made of metal by casting, extrusion, rolling, roll forming or hydroforming preferably flangeless.
  • the main body 2 is manufactured vor ⁇ .
  • z. B. brackets are prefabricated.
  • Such holders can be formed in particular in the form of exhibits from the metal sheet of the main body or the sheet metal shells of a basic body. Alternatively, these add-on parts can be added later.
  • the main body 2 has for different applications in its Ver ⁇ running different profile cross-sections, z. B. with bulges and / or denting or with tapered ends, and may also be spatially curved, z. B. serpentine, run. Also, the base body 2 may be provided with cranks, to which attachments are added. In a further embodiment, the base body 2 may also be designed to be substantially rectilinear.
  • the component 1 comprises a guide channel 4, which is shown in more detail in FIG.
  • the guide channel 4 is subsequently introduced into the already prefabricated body 2 and integrated.
  • the guide channel 4 in its assembly form M is introduced at least for a partial area or completely into the prefabricated basic body 2.
  • the main body 2 can be formed from two segments 2a and 2b.
  • the basic body 2 in FIG. 4 is formed from two half-bodies, in particular two half-shells - a lower shell and an upper shell.
  • the base body 2 is formed of a lower shell or lower half body and a lid.
  • the main body 2 can be composed of longitudinal and / or transverse segments.
  • the main body 2 is preferably subsequently provided on the inside with a guide channel 4, which forms, for example, a cable duct or flow channel, in particular an air duct.
  • the guide channel 4 serves, for example, to guide a medium, in particular air for conditioning the vehicle interior.
  • the guide channel 4 can also serve to guide cables or cables.
  • the guide channel 4 for a subsequent integration of the guide channel 4 in the main body 2 of this is executed in a first possible embodiment as a flexible prefabricated ter hollow body.
  • a compact film is produced, for example, from polyethylene foam or polypropylene foam, which is suitable, for example, for producing the film in the so-called twin-sheet process.
  • the guide channel 4 may be made from compact thin films (eg two half-shell films) or from a tubular film.
  • the guide channel 4 For subsequent integration of the guide channel 4 in the main body 2 of the guide channel 4 in a corresponding Monta ⁇ mold M, z. B. by appropriate pressure and / or temperature kung, shaped, z. B. folded, pressed, deformed.
  • the guide channel 4 In this deformed state of the guide channel 4, the latter is mounted in the base body 2, wherein the flexible guide channel 4 adapts to the course and the cross section of the base body 2 during assembly.
  • the guide channel 4 forms, for example, as a hose, which is introduced into the tubular base body 2 and, for example, is thermally self-adhering to the inside of the base body 2 by a hot air flow.
  • the guide channel 4 can run longitudinally through the entire base body 2. Alternatively, the guide channel 4 can also be introduced only in a partial area of the main body 2. Also, more than one guide channel 4 can be introduced into the base body 2. The assembly can be done either from both ends of the body 2 or from a central region or only one end. When mounting from the center area, there are many freedom of design in the area of attaching attachments. Another advantage is that 4 additional seals for connection to an air conditioner, a channel, a Dü ⁇ se or other components can be omitted by the use of a flexible moldable guide channel.
  • the guide channel 4 is used inter alia also the rigidity of the base body 2. Therefore, the guide channel 4 as a plastic core bezeich ⁇ net, since this supports in the made of a light metal body 2 whose torsional, bending and stiffness.
  • the particularly thin-walled base body 2 when flowing with air, leads to a development of noise, which is particularly advantageously damped by lining the base body 2 with the guide channel 4 formed of plastic. That is to say the guide channel 4 itself undertakes, inter alia, a sound insulation.
  • the guide channel 4 can also act as a thermal insulator. Depending on the function of the guide channel 4 with an insulating layer. 5 Mistake. In this case, the guide channel 4 and the insulation layer 5 can form one or more layers.
  • the insulation layer 5 Depending on the nature of the insulating material for the insulating layer 5, z.
  • particle foam preferably foam of thermoplastics, in particular polyethylene (eg., PE, XPE, PE-HD, PE-LD) and polypropylene (eg PP, XPP), elastomers in foamed or compact state, the insulation layer 5 more functions, such.
  • PE polyethylene
  • XPE polyethylene
  • PE-HD PE-LD
  • PE-LD polypropylene
  • elastomers in foamed or compact state
  • the insulation layer 5 more functions, such.
  • the insulation layer 5 preferably has a wall thickness of 0.1 mm to 8 mm, in particular of 0.1 mm to 2 mm in the case of a compact film and preferably 3 mm to 6 mm in the case of a tubular film.
  • the guide channel 4 or the insulating layer 5 may have a surface structure that supports the flow through the guide channel 4, for example, as shown in FIG. B. a so-called shark-scale effect.
  • the main body 2 in particular its two half-body 2a and 2b are held together.
  • the guide channel 4 can alternatively be introduced into the base body 2, for example in an injection molding process, by rotational molding, by centrifugal casting or plastic coating. Alternatively, and depending on the nature of the plastic, this can also be foamed, cast or introduced in a similar manner. In other words, depending on the manner of subsequent joining of the guide channel 4 in The base body 2 may also be prefabricated and joined into the base body 2 as a structural unit.
  • a coating B As shown in Figure 6, introduced into the base body 2.
  • a coating material for. As polyethylene, polypropylene, polyamide (eg., PA, nylon), polycarbonate or polyvinyl chloride, introduced into the already prefabricated body 2, z. B. injected, poured, sprayed or filled in powder form.
  • the main body 2 itself is clamped as a tool or clamped in a tool at least partially in rotation and optionally heated from the outside, so that the coating material, for. B. a plastic powder, distributed in the base body 2 and attaches to the inner wall or the inner structure of the base body 2, in particular self-adhesive adds.
  • the coating B is applied with a layer thickness of 0.5 mm to 1 mm. Larger thicknesses with a layer thickness of 2 mm to 3 mm are also possible.
  • the main body 2 can be provided with a varying layer thickness. For this purpose, the coating material is introduced into the base body 2 at different locations in different amounts.
  • the plastic powder is introduced into the Grundkör ⁇ per 2 during rotational molding, this is set in rotation or rocking and by a heating element, for. B an outside or in a heating chamber, heated.
  • the plastic powder melts and deposits on the inner wall of the base body 2 and forms the coating B.
  • the component 1 can also have openings in which the plastic powder itself is also adhesively attached.
  • the base body 2 or the tool clamping it is set in a single or multi-axis rotation, ie, for example, about the Y axis or about the Y / Z / X axes.
  • the guide channel 4 can be added by centrifugal casting to the main body 2.
  • the base body 2 may be mechanically connected to the guide channel 4.
  • the main body 2 can be riveted, screwed, welded, clinched or connected in a similar manner to adjoining edges R of the segments 2a, 2b.
  • the base body 2 is formed without a flange.
  • connection point 6 is provided on the component 1, which serves to receive an attachment 8.
  • the connection point 6 serves, for example, as a reinforcement for the attachment 8, the A-pillar and for attachment thereto.
  • the connection point 6 is designed such that the attachment 8 is subsequently material-and / or form-fitting, but also kraftschlüs ⁇ sig anhegbar in one operation or process step.
  • the attachment 8 itself may be formed of plastic, which is prefabricated and preformed by injection molding in a separate tool. As a result, the attachment 8 can be made largely variable in shape, size and shape, as a method of manufacture in particular simple and inexpensive method, such.
  • the attachment 8 As injection molding, extrusion, rotational molding, blow molding, deep drawing in the twin-sheet process find application.
  • the attachment 8 when attaching to the component 1, z. B. by injection molding, were ⁇ the.
  • the attachment 8 can beispiels ⁇ example, an instrument panel mount or -Halterung, a screw mandrels, a film hinge, a cable holder, a cable guide, a Montage ⁇ carrier for a steering, an airbag and / or any Be holding element.
  • FIG. 7 shows a component 1 with a basic body 2 made of a lower segment 2a, z. B. a metallic half shell, and an upper segment 2b, z. B. a lid.
  • a further element 4a, z. B. ei ⁇ nem prefabricated separating element made of plastic this is in addition to a further element 4a, z. B. ei ⁇ nem prefabricated separating element made of plastic.
  • the guide channel 4 may be formed from a compact film and a partition wall arranged therein.
  • FIG. 8 shows the component 1 according to FIG. 7 in cross section.
  • the element 4a can be prefabricated and mechanically joined to the prefabricated base body 2, then the guide channel 4 is attached and shaped as described above in the form of a coating B by rotational molding or centrifugal casting.
  • Figures 9 and 10 show a further embodiment of a component 1 in the region of an opening 3.
  • the guide channel 4 has a varying layer thickness, depending on the course of the base body 2 and the structure.
  • the coating B may have a larger Schichtdi ⁇ bridge in this area.
  • the inner body 4 may at least partially have a different shape as the outer body 2, so that the wall of the inner body 4 does not contact the wall of the outer body 2.
  • Figure 11 shows a further embodiment of a component 1.
  • the component 1 in the region of two openings 3, z.
  • prefabricated molded parts 10 are formed, which are made of metal so that they act as bulkhead walls or else can themselves be designed as plastic molded parts.
  • Hier ⁇ by the opening 3 is sufficiently resistant to torsion and flow resistant Sprint.
  • the molded parts 10 are used for the deflection or the inflow or outflow of a medium flowing into the guide channel 4.
  • For sealing of the molded part 10 in the region of the opening 3 to the guide channel 4 through the molded part 10 is prefabricated together with the base body 2.
  • the guide channel 4 is added mechanically or by rotational molding or centrifugal casting, so that the transition between the guide channel 4 and the molded part 10 is closed in a flow-tight manner.
  • the molded part 10 may be provided with a coating B for thermal and / or acoustic insulation.
  • the molded part 10 can be improved by local reinforcements or a double-walled embodiment with regard to the rigidity. Depending on the configuration of the molded part 10, sealing lips can be formed.
  • Figure 12 shows a component 1 in the region of a connection point 6, which for a sufficient strength of these corresponding reinforcements in the form of a guide channel 4 with a larger thickness, for. B. with a thicker coating B or a thicker film channel having. Depending on the course and function of the guide channel 4, this can be provided with further reinforcements, in particular in the region of openings 3.
  • FIG. 13 shows an alternative embodiment for a component 1 in cross-section, wherein the segments 2 a, 2 b of the base body 2 are additionally connected to one another at their edges R, z. B. riveted, screwed, welded, clinched, are.
  • FIG. 14 shows a further embodiment of a component 1 with a closed profile for a static function.
  • the guide channel 4 is joined in the manner of a core and thus as stiffening in the base body 2.
  • Figure 15 shows a further alternative for an internal reinforcement of the component 1.
  • Figures 16 to 19 show further alternative embodiments of a particularly mechanically strong and torsionally rigid, rigid, dimensionally stable design of the component 1, wherein the guide channel 4 is attached via profile elements 14 to the base body 2. Depending on the type and design of the guide channel 4, this can additionally be provided with an insulating layer 5.
  • FIG. 20 shows, in particular for the production of the guide channel 4 by means of rotational molding, the possibility of closing openings of the basic body by means of a cover 15. This is advantageous during the production process in order to prevent the coating material, for example in powder form, from escaping.
  • these closure possibilities are available at air outlet openings of the main body or provided, so that you can remove them as shown in Figure 21 after the manufacturing process and thus the openings consge ⁇ ben can.
  • FIGS. 22 and 23 show, in analogy to FIGS. 20 and 21, an embodiment of a cover 15 with a guide element 16, in particular an air guide element, which remains in the guide channel after removal or separation of the cover 15.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

L'invention concerne un procédé de production d'un composant (1), notamment d'une traverse à placer entre les colonnes A d'un véhicule automobile. Un corps de base (2) métallique ayant une coupe transversale profilée fermée et une forme donnée est préfabriqué à partir d'au moins un segment (2a, 2b). On insère ultérieurement au moins un canal de guidage (4) dans ce corps de base (2) préfabriqué. Le canal de guidage (4) est réalisé dans un matériau flexible et moulé dans un moule de montage (M) aux fins de montage de telle façon que le canal de guidage (4) soit inséré dans le moule de montage (M), au moins pour une zone partielle, ou dans le corps de base (2) préfabriqué puis assemblé de manière flexible par liaison de matière, de forme et/ou de force à une zone associée du corps de base (2) au niveau de sa section transversale profilée et de sa forme pendant le montage.
EP05768109A 2004-07-07 2005-07-06 Procede de production d'un composant, notamment d'une traverse de vehicule automobile, ce composant et son utilisation Withdrawn EP1765535A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410032950 DE102004032950A1 (de) 2004-07-07 2004-07-07 Verfahren zur Herstellung eines Bauteils, insbesondere eines Querträgers für ein Fahrzeug und Bauteil sowie Verwendung eines Bauteils
PCT/EP2005/007285 WO2006002996A1 (fr) 2004-07-07 2005-07-06 Procede de production d'un composant, notamment d'une traverse de vehicule automobile, ce composant et son utilisation

Publications (1)

Publication Number Publication Date
EP1765535A1 true EP1765535A1 (fr) 2007-03-28

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EP05768109A Withdrawn EP1765535A1 (fr) 2004-07-07 2005-07-06 Procede de production d'un composant, notamment d'une traverse de vehicule automobile, ce composant et son utilisation

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EP (1) EP1765535A1 (fr)
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DE102009007901B4 (de) * 2009-02-06 2012-11-22 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines Kraftfahrzeugbauteils und Kraftfahrzeugbauteil
DE102013008992B4 (de) 2012-05-18 2022-03-24 Volkswagen Aktiengesellschaft Verfahren zur Montage von Lüftungskanälen in Karosserieelementen eines Kraftfahrzeugs

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WO2006002996A1 (fr) 2006-01-12

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