DE102016008237A1 - Component assembly for a vehicle - Google Patents
Component assembly for a vehicle Download PDFInfo
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- DE102016008237A1 DE102016008237A1 DE102016008237.2A DE102016008237A DE102016008237A1 DE 102016008237 A1 DE102016008237 A1 DE 102016008237A1 DE 102016008237 A DE102016008237 A DE 102016008237A DE 102016008237 A1 DE102016008237 A1 DE 102016008237A1
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- Prior art keywords
- fiber
- hollow profile
- reinforced plastic
- plastic hollow
- end piece
- Prior art date
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- 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
- B29C70/84—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 by moulding material on preformed parts to be joined
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
- B29C45/14221—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure by tools, e.g. cutting means
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- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
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- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/524—Joining profiled elements
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/61—Joining from or joining on the inside
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
- B29C2045/14213—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure deforming by gas or fluid pressure in the mould cavity
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14598—Coating tubular articles
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
- B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
- B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
- B29C66/72141—Fibres of continuous length
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
- B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
- B29C66/72143—Fibres of discontinuous lengths
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/721—Vibration dampening equipment, e.g. shock absorbers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/122—Mounting of torsion springs
- B60G2204/1224—End mounts of stabiliser on wheel suspension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/40—Constructional features of dampers and/or springs
- B60G2206/42—Springs
- B60G2206/427—Stabiliser bars or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/70—Materials used in suspensions
- B60G2206/71—Light weight materials
- B60G2206/7101—Fiber-reinforced plastics [FRP]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Die Erfindung betrifft ein Bauteilverbund für ein Fahrzeug, mit einem faserverstärkten Kunststoffhohlprofil (10), an dessen jeweiligen Enden jeweils ein Endstück (12, 14) angesetzt ist, über welches der Bauteilverbund unter Beaufschlagung mit einer Verbindungskraft mit einem weiteren Bauteil des Fahrzeugs verbindbar ist, wobei die jeweiligen Endstücke (12, 14) als faserverstärkte Kunststoffbauteile ausgebildet sind, welche form- und stoffschlüssig mit dem faserverstärkten Kunststoffhohlprofil (10) verbunden sind. Überdies betrifft die Erfindung ein Verfahren zum Herstellen eines solchen Bauteilverbunds.The invention relates to a composite component for a vehicle, with a fiber-reinforced plastic hollow profile (10), at whose respective ends in each case an end piece (12, 14) is attached, via which the component composite is connected under pressure with a connecting force with another component of the vehicle, wherein the respective end pieces (12, 14) are formed as fiber-reinforced plastic components which are positively and materially connected to the fiber-reinforced plastic hollow profile (10). Moreover, the invention relates to a method for producing such a composite component.
Description
Die Erfindung betrifft einen Bauteilverbund für ein Fahrzeug gemäß dem Oberbegriff des Patentanspruchs 1. Des Weiteren betrifft die Erfindung ein Verfahren zum Herstellen eines derartigen Bauteilverbunds gemäß dem Oberbegriff des Patentanspruchs 6.The invention relates to a component assembly for a vehicle according to the preamble of claim 1. Furthermore, the invention relates to a method for producing such a component composite according to the preamble of patent claim 6.
Der Leichtbau hat zwischenzeitlich in annähernd allen technologischen Bereichen des Fahrzeugbaus Einzug gehalten, um einerseits Energie in mittelbarer Form durch Kraftstoff oder aber in Form von elektrischer Energie einzusparen und andererseits entsprechend zugehörige Emissionen zu reduzieren. Aus diesem Grund haben auch bereits viele Verbundbauteile aus faserverstärktem Kunststoff Einzug in den Fahrzeugbau gehalten, unter anderem beispielsweise zur Anwendung als Drehstabfedern beziehungsweise Stabilisatorenim Bereich der Vorder- und Hinterachse jeweiliger Kraftwagen. Bei derartigen Drehstabfedern ist es bereits bekannt, ein faserverstärktes Kunststoffhohlprofil einzusetzen, an dessen jeweiligen Enden jeweils ein Endstück aus einem Stahlwerkstoff angesetzt ist, über welches der hierdurch geschaffene Bauteilverbund unter Beaufschlagung mit einer jeweiligen Verbindungskraft mit einem weiteren Bauteil der jeweiligen Fahrzeugachse verbindbar ist. Die jeweilige Verbindungskraft wird dabei beispielsweise durch eine zugehörige Schraubverbindung erzeugt, über welche das jeweilige Endstück mit dem weiteren Bauteil des Fahrzeugs verbunden ist.In the meantime, lightweight construction has taken hold in almost all technological areas of vehicle construction in order to save energy in indirect form through fuel or else in the form of electrical energy and, on the other hand, to correspondingly reduce associated emissions. For this reason, many composite components made of fiber-reinforced plastic have already been used in vehicle construction, including, for example, for use as torsion bars or stabilizers in the area of the front and rear axles of respective motor vehicles. In such torsion bar springs, it is already known to use a fiber-reinforced plastic hollow profile, at whose respective ends in each case an end piece made of a steel material is attached, via which the thus created composite component under pressure with a respective connection force with another component of the respective vehicle axle is connectable. The respective connection force is generated for example by an associated screw, via which the respective end piece is connected to the other component of the vehicle.
Endstücke aus Stahlwerkstoff haben dabei die Eigenschaft, relativ toleranzgenau und kraftflussgerecht ausgestaltet werden zu können und insbesondere auch eine kriechfeste beziehungsweise kriechfreie Anbindung des Bauteilverbunds am jeweiligen Anschlussbauteil gewährleisten zu können. Allerdings sind derartige Stahlbauteile bekanntlich relativ schwer mit den damit einhergehenden Nachteilen. Außerdem ist ein derartiger Bauteilverbund relativ aufwändig in der Herstellung.End pieces made of steel material have the property of being able to be configured with relative tolerance and power flow and, in particular, being able to ensure a creep-resistant or creep-free connection of the component assembly to the respective connection component. However, such steel components are known to be relatively heavy with the attendant disadvantages. In addition, such a component composite is relatively expensive to manufacture.
Aufgabe der vorliegenden Erfindung ist es daher, einen Bauteilverbund sowie ein Verfahren zum Herstellen eines derartigen Bauteilverbunds der eingangs genannten Art zu schaffen, mittels welchen sich ein hinsichtlich Gewicht und Herstellung optimierter Bauteilverbund ergibt.The object of the present invention is therefore to provide a composite component and a method for producing such a composite component of the type mentioned above, by means of which results in an optimized in terms of weight and production component composite.
Diese Aufgabe wird erfindungsgemäß durch einen Bauteilverbund mit den Merkmalen des Patentanspruchs 1 sowie durch ein Verfahren zum Herstellen eines solchen Bauteilverbunds mit den Merkmalen des Patentanspruchs 6 gelöst. Vorteilhafte Ausgestaltungen mit zweckmäßigen Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche.This object is achieved by a composite component with the features of claim 1 and by a method for producing such a composite component with the features of claim 6. Advantageous embodiments with expedient developments of the invention are the subject of the dependent claims.
Um einen hinsichtlich Gewicht und Herstellung optimierten Bauteilverbund zu schaffen, ist es gemäß Patentanspruch 1 vorgesehen, dass die jeweiligen Endstücke als faserverstärkte Kunststoffbauteile ausgebildet sind, welche form- und stoffschlüssig mit dem jeweils faserverstärkten Kunststoffhohlprofil verbunden sind. Es hat sich nämlich gezeigt, dass durch die jeweiligen Endstücke aus faserverstärktem Kunststoff eine besonders günstige form- und stoffschlüssige Verbindung mit dem faserverstärkten Kunststoffhohlprofil möglich ist, welche mit bisher üblichen Endstücken aus Stahlwerkstoff nicht möglich sind. So ist es beispielsweise besonders günstig möglich, die jeweiligen Endstücke nicht nur formschlüssig mit dem jeweiligen faserverstärkten Kunststoffhohlprofil zu verbinden, sondern überdies einen Stoffschluss herzustellen. Dies geschieht in besonders einfacher Weise, wenn sowohl die Endstücke als auch das Kunststoffhohlprofil aus einem thermoplastischen Kunststoff, bestehen beziehungsweise ein entsprechendes Matrixmaterial aufweisen, sodass diese Bauteile vor dem gegenseitigen Verbinden entsprechend erwärmt werden und dann form- und stoffschlüssig miteinander verbunden werden können. Der Formschluss erfolgt dabei besonders vorteilhaft durch entsprechendes Umformen beziehungsweise Verpressen der erwärmten Bauteile, wobei sich hierdurch vorzugsweise überdies ein Stoffschluss durch Verschweißen der beteiligten Bauteile ergibt. Im Ergebnis jedenfalls entsteht ein Bauteilverbund, welcher über die Endstücke aus faserverstärktem Kunststoff besonders günstig toleranzgenau und kraftflussgerecht an jedwede weitere Bauteile des Fahrzeugs angebunden werden kann.In order to create a component composite optimized in terms of weight and production, it is provided according to claim 1 that the respective end pieces are formed as fiber-reinforced plastic components which are positively and materially connected to the respective fiber-reinforced plastic hollow profile. It has been shown that a particularly favorable positive and cohesive connection with the fiber-reinforced plastic hollow profile is possible through the respective end pieces of fiber-reinforced plastic, which are not possible with hitherto conventional end pieces made of steel material. Thus, for example, it is particularly favorable possible not only to connect the respective end pieces with the respective fiber-reinforced plastic hollow profile in a form-fitting manner, but also to produce a material bond. This is done in a particularly simple manner when both the end pieces and the hollow plastic profile made of a thermoplastic material, or have a corresponding matrix material, so that these components are heated according to the mutual bonding and then can be positively and cohesively connected to each other. The form-fitting takes place particularly advantageous by appropriate forming or pressing of the heated components, which thereby preferably also results in a material bond by welding the components involved. In any case, the result is a composite component, which can be connected via the end pieces of fiber-reinforced plastic particularly favorable tolerances and power flow to any other components of the vehicle.
In weiterer Ausgestaltung der Erfindung hat es sich dabei als vorteilhaft gezeigt, dass das jeweilige Endstück zumindest bereichsweise, insbesondere im Bereich einer Krafteinleitungsstelle, aus einem endlosfaserverstärkten thermoplastischen Matrixmaterial gebildet ist. Hierdurch ist das Endstück im Bereich der Krafteinleitung beziehungsweise Anbindung des Bauteilverbunds an ein weiteres Bauteil des Fahrzeugs besonders steif zu gestalten, um hierdurch beispielsweise eine kriechfreie Anbindung zu ermöglichen.In a further embodiment of the invention, it has proven to be advantageous that the respective end piece is at least partially, in particular in the region of a force introduction point, formed from a continuous fiber-reinforced thermoplastic matrix material. As a result, the end piece in the field of force introduction or connection of the component assembly to another component of the vehicle to make particularly stiff, thereby allowing, for example, a creep-free connection.
Eine weitere vorteilhafte Ausführungsform sieht vor, dass das jeweilige Endstück einen Kanal für ein Innenhochdruckumformmedium aufweist. Somit können beim Herstellen des Bauteilverbunds zunächst die Endstücke form- und stoffschlüssig mit dem Kunststoffhohlprofil verbunden werden und anschließend dieses – und gegebenenfalls auch die Endstücke – auf einfache Weise durch Anlegen eines Innenhochdrucks umgeformt werden, wobei dies durch die jeweiligen Endkanäle innerhalb des Endstücks möglich wird. Im Ergebnis lässt sich hierdurch auf besonders einfache und kostengünstige Weise ein komplexer, durch Anlegen eines Innenhochdrucks umgeformter Bauteilverbund erzeugen.A further advantageous embodiment provides that the respective end piece has a channel for a hydroforming medium. Thus, in the manufacture of the component composite, the end pieces can firstly be positively and materially connected to the plastic hollow profile and then this - and possibly also the end pieces - be converted in a simple manner by applying a hydroforming, this being made possible by the respective end channels within the end piece. As a result, this can be particularly simple and inexpensive Way create a complex, formed by applying a hydroforming composite component.
In weiterer Ausgestaltung der Erfindung hat es sich als besonders vorteilhaft gezeigt, wenn die jeweiligen Endstücke mit dem faserverstärkten Kunststoffhohlprofil verschweißt sind. Der Vorteil einer derartigen stoffschlüssigen Verbindung liegt darin, dass somit die Endstücke und das Kunststoffhohlprofil erwärmt werden können, damit einerseits ein entsprechender Formschluss und andererseits eine entsprechende Schweißverbindung als Stoffschluss entsteht. Dies ergibt eine besonders stabile Verbindung der jeweiligen Endstücke mit dem Kunststoffhohlprofil.In a further embodiment of the invention, it has been found to be particularly advantageous if the respective end pieces are welded to the fiber-reinforced plastic hollow profile. The advantage of such a cohesive connection is that thus the end pieces and the hollow plastic profile can be heated so that on the one hand, a corresponding form-fitting and on the other hand, a corresponding welded connection is formed as a material connection. This results in a particularly stable connection of the respective end pieces with the plastic hollow profile.
In weiterer vorteilhafter Ausführungsform der Erfindung ist nach dem Verbinden des jeweiligen Endstücks mit dem faserverstärkten Kunststoffhohlprofil eine Buchse im Verbindungsbereich der Anbauteile eingebracht, welche eine jeweilige Wand des faserverstärkten Hohlprofils und das Endstück durchsetzt. Durch eine derartige Buchse kann eine besonders stabile, toleranzgenaue und kraftflussgerechte Verbindungsstelle des Bauteilverbunds zu einem angrenzenden Bauteil des Fahrzeugs erzeugt werden. Ein weiterer Vorteil einer derartigen Buchse besteht darin, dass diese – insbesondere in dem diese die jeweiligen Wände des faserverstärkten Kunststoffhohlprofils durchsetzt – eine kriechfeste Anbindung des Bauteilverbunds an ein Anschlussbauteil ermöglicht.In a further advantageous embodiment of the invention, after the connection of the respective end piece with the fiber-reinforced plastic hollow profile, a bush is introduced in the connection region of the attachment parts, which penetrates a respective wall of the fiber-reinforced hollow profile and the end piece. By such a socket, a particularly stable, accurate tolerance and power flow suitable connection point of the component composite can be generated to an adjacent component of the vehicle. Another advantage of such a socket is that it enables a creep-resistant connection of the component composite to a connection component, in particular in that it passes through the respective walls of the fiber-reinforced plastic hollow profile.
Die vorstehend im Zusammenhang mit dem erfindungsgemäßen Bauteilverbund genannten Bauteile gelten in ebensolcher Weise für das Verfahren gemäß Patentanspruch 6. Dieses zeichnet sich des Weiteren dadurch aus, dass die jeweiligen Endstücke in das faserverstärkte Kunststoffhohlprofil eingepresst werden. Hierdurch wird auf besonders einfache und günstige Weise eine form- und stoffschlüssige Verbindung zwischen dem jeweiligen Endstück und dem Kunststoffhohlprofil erreicht.The components mentioned above in connection with the component assembly according to the invention apply in the same way for the method according to claim 6. This is further characterized by the fact that the respective end pieces are pressed into the fiber-reinforced plastic hollow profile. As a result, a positive and positive connection between the respective end piece and the hollow plastic profile is achieved in a particularly simple and inexpensive manner.
Eine weitere vorteilhafte Ausführungsform sieht überdies vor, dass nach dem Verbinden des jeweiligen Endstücks mit dem faserverstärkten Kunststoffhohlprofil eine Buchse durch Dornen der jeweiligen Wand des faserverstärkten Kunststoffhohlprofils in das Endstücke eingebracht wird, sodass die Buchse sowohl das Kunststoffhohlprofil als auch das zugehörige Endstück durchsetzt. Durch das Dornen wird dabei insbesondere erreicht, dass jeweilige Fasern des Faserhalbzeugs durch das Einbringen der Buchse nicht beschädigt werden.A further advantageous embodiment also provides that after connecting the respective end piece with the fiber-reinforced plastic hollow profile, a bushing is introduced through thorns of the respective wall of the fiber-reinforced plastic hollow profile in the end pieces, so that the bush penetrates both the hollow plastic profile and the associated end piece. By thorns is achieved in particular that respective fibers of the semifinished fiber are not damaged by the introduction of the socket.
Weitere Vorteile und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines bevorzugten Ausführungsbeispiels sowie anhand der Zeichnungen.Further advantages and details of the invention will become apparent from the following description of a preferred embodiment and from the drawings.
Dabei zeigen:Showing:
In
Bei dem faserverstärkten Kunststoffhohlprofil
In
Erkennbar ist in
Anhand der
Im weiteren Verfahrensschritt gemäß
Mit anderen Worten führt der beim Einpressen von der Wand
Im Anschluss an das Einpressen der Endstücke
Insgesamt ist somit erkennbar, dass vorliegend eine äußerst faserverbundgerechte, kriechfeste, lösbare Krafteinleitung durch die stoff- und formschlüssige Krafteinleitung ohne Schädigung der lokalen Faserstruktur des Kunststoffhohlprofils
Claims (10)
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