DE19800038A1 - Joining reinforced plastic structural components of vehicle bodywork - Google Patents
Joining reinforced plastic structural components of vehicle bodyworkInfo
- Publication number
- DE19800038A1 DE19800038A1 DE19800038A DE19800038A DE19800038A1 DE 19800038 A1 DE19800038 A1 DE 19800038A1 DE 19800038 A DE19800038 A DE 19800038A DE 19800038 A DE19800038 A DE 19800038A DE 19800038 A1 DE19800038 A1 DE 19800038A1
- Authority
- DE
- Germany
- Prior art keywords
- joining
- rivet
- plastic
- adhesive
- body components
- 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.)
- Ceased
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
- C09J5/02—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving pretreatment of the surfaces to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/02—Riveting procedures
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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
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
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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
- B29C65/60—Riveting or staking
- B29C65/601—Riveting or staking using extra riveting elements, i.e. the rivets being non-integral with 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
- 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
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
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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
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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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
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
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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
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said 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
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
- B62D27/026—Connections by glue bonding
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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
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
- B29C65/4835—Heat curing adhesives
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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
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
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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
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/026—Chemical pre-treatments
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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
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/028—Non-mechanical surface pre-treatments, i.e. by flame treatment, electric discharge treatment, plasma treatment, wave energy or particle radiation
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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
-
- 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
- B29C66/73—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
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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
- B29C66/7394—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 thermoset
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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
- B29L2031/3002—Superstructures characterized by combining metal and plastics, i.e. hybrid parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft ein Verfahren zum Fügen von mindestens zwei Karosse riebauteilen, die zumindest im Fügebereich eine Oberfläche aus einem Kunststoff aufweisen, ein Verfahren zur Vorbehandlung zumindest des Fügebereiches wenigstens eines Karosse riebauteils sowie ein Karosserie-Verbundbauteil aus zwei oder mehr miteinander gefügten Karosseriebauteilen, wobei mindestens zwei Karosseriebauteile zumindest im Fügebereich eine Oberfläche aus Kunststoff aufweisen.The present invention relates to a method for joining at least two bodies friction components that have a plastic surface at least in the joining area, a method for pretreating at least the joining area of at least one body friction component and a composite body component made of two or more joined together Body components, with at least two body components at least in the joining area have a surface made of plastic.
Fahrzeugkarosserien, insbesondere Karosserien von Kraftfahrzeugen, sind bisher weit überwiegend aus Stahlwerkstoffen, insbesondere Stahlblechen, hergestellt worden. Für Ka rosseriebauteile aus Stahlwerkstoffen gibt es daher eine breit einsetzbare und gut erprobte Vielzahl von Fügeverfahren, insbesondere thermischen Fügeverfahren wie Schweißen etc.Vehicle bodies, in particular motor vehicle bodies, have so far been wide predominantly made of steel materials, in particular steel sheets. For Ka Rossie components made of steel materials are therefore widely used and tried and tested Numerous joining processes, especially thermal joining processes such as welding etc.
In jüngerer Zeit werden im Fahrzeugbau, insbesondere im Kraftfahrzeug-Karosseriebau, auch verstärkt andere Werkstoffe und Werkstoffkombinationen - wie Aluminium oder Ma gnesium oder Kunststoffe - eingesetzt.More recently, in vehicle construction, particularly in vehicle body construction, also increasing other materials and material combinations - such as aluminum or Ma Magnesium or plastics - used.
Da für Karosseriebauteile mit Kunststoffoberflächen Fügeverfahren bisher nur wenig erprobt und genutzt sind, besteht die Aufgabe, verbesserte Verfahren zum Fügen sowie zur Vorbe handlung vor dem Fügen von mindestens zwei Karosseriebauteilen, die zumindest im Füge bereich eine Oberfläche aus einem Kunststoff aufweisen, vorzuschlagen. Es ist bekannt, derartige Karosseriebauteile durch ein Klebefügeverfahren, ein Umformfügeverfahren oder ein kombiniertes Umform-Klebe-Fügeverfahren miteinander zu fügen. Unter "Karosseriebauteil, das zumindest im Fügebereich eine Oberfläche aus einem Kunststoff aufweist" wird dabei sowohl ein Karosseriebauteil verstanden, das lediglich im Fügebereich eine Oberfläche aus einem Kunststoff aufweist, als auch ein Karosseriebauteil, das zusätz lich in anderen Bereichen oder vollständig eine Oberfläche aus einem Kunststoff aufweist, als auch und insbesondere ein Karosseriebauteil, das aus einem Kunststoffmaterial besteht.Since joining processes for body components with plastic surfaces have so far been little tested and are used, there is the task of improved methods for joining as well as for preparation act before joining at least two body components, at least in the joining area have a surface made of a plastic to propose. It is known, such body components by an adhesive joining process, a forming joining process or to combine a combined forming-glue-joining process. Under "Body component that has a surface made of plastic, at least in the joining area "is understood to mean both a body component that is only in the joining area has a surface made of a plastic, as well as a body component, the additional Lich in other areas or completely has a surface made of a plastic, and also and in particular a body component, which consists of a plastic material.
Die Aufgabe wird durch ein Fügeverfahren gemäß Anspruch 1, durch ein Vorbehandlungs verfahren gemäß Anspruch 31 und durch ein Karosserie-Verbundbauteil gemäß Anspruch 33 gelöst. Weiterbildungen der Erfindung sind Gegenstand von Unteransprüchen. The object is achieved by a joining process according to claim 1, by a pretreatment Method according to claim 31 and by a composite body component according to claim 33 solved. Developments of the invention are the subject of dependent claims.
Das Umform-, Klebe- oder kombinierte Umform-Klebe-Fügeverfahren gemäß Anspruch 1 gestattet eine sichere, feste und langzeitstabile Verbindung herzustellen, die auch den ho hen Anforderungen im Kraftfahrzeug-Karosseriebau genügt.The forming, gluing or combined forming-gluing joining method according to claim 1 allows a secure, firm and long-term stable connection to be established, which also allows the ho hen requirements in motor vehicle body construction are sufficient.
Als umformtechnische Fügeverfahren werden bevorzugt Durchsetzfügen (auch Druckfügen oder Clinchen genannt), Nieten sowie Verschrauben eingesetzt, und zwar sowohl einzeln als auch in Kombination miteinander.Push-through joining (also pressure joining) is preferred as the forming technology joining process or called clinching), rivets and screwing, both individually and also in combination with each other.
Als Nieten kommen insbesondere Stahlnieten sowie Nieten aus einem Aluminiumwerkstoff in Frage. Um insbesondere bei kohlefaserverstärkten Kunststoffen beim Nieten Probleme durch Kontaktkorrosion zu vermeiden, ist auf die Auswahl des Materials der verwendeten Nieten besonderes Augenmerk zu richten. Bei Stahlnieten haben sich in Versuchen der An melderin zinkbeschichtete Stahlnieten bewährt. Bei Nieten aus einem Aluminiumwerkstoff sind kunststoffbeschichtete Aluminiumniete und/oder Niete aus Aluminiumlegierungen vor zuziehen, deren Gehalt an Kupfer, Eisen sowie anderen kontaktkorrosionsfördernden Spu renelementen jeweils unter 1% liegt. Grundsätzlich sind Aluminiumnieten leichter als Stahl nieten und zeigen weniger Kontaktkorrosion mit elektrisch leitfähigen Kunststoffen (z. B. kohlefaserverstärkten Kunststoffen). Hinsichtlich der Festigkeit des Niets gegenüber me chanischen Beanspruchungen beim oder nach dem Nieten sind sie allerdings Stahlnieten unterlegen. Zur Verringerung bzw. Vermeidung von Spaltkorrosion können an allen Nieten- oder Schraubenarten Dichtmassen, die zum Beispiel auch Kleber sein können, vorgesehen werden.Steel rivets and rivets made of an aluminum material are particularly suitable as rivets Question. This is particularly true for problems with carbon fiber reinforced plastics when riveting Avoiding through contact corrosion depends on the choice of material used Particular attention should be paid to riveting. In the case of steel rivets, attempts have been made proven zinc-coated steel rivets. For rivets made of an aluminum material are plastic-coated aluminum rivets and / or rivets made of aluminum alloys their copper, iron and other contact corrosion promoting Spu Ren elements is less than 1% in each case. Aluminum rivets are generally lighter than steel rivets and show less contact corrosion with electrically conductive plastics (e.g. carbon fiber reinforced plastics). Regarding the strength of the rivet compared to me mechanical stresses during or after riveting, however, they are steel rivets inferior. To reduce or avoid crevice corrosion, all rivets or Types of screws sealing compounds, which can also be adhesives, for example, are provided become.
Als Nietformen kommen insbesondere Stanz-Vollniete und/oder Stanz-Halbhohlniete sowie Blindniete in Frage. Blindniete können auch bei nur einseitiger Zugänglichkeit der Fügezone eingesetzt werden, während Stanzniete eine zweiseitige Zugänglichkeit des Fügebereichs voraussetzen.In particular, solid rivets and / or semi-hollow rivets as well as come as rivet shapes Blind rivets in question. Blind rivets can also be used if the joining zone is only accessible from one side are used, while punch rivets provide double-sided accessibility to the joining area presuppose.
Die mindestens zwei Karosseriebauteile können auch vorteilhaft durch Verschrauben mit einander verbunden werden. Hier können insbesondere selbstschneidende Schrauben zum Einsatz kommen, die eine besonders rasche und wirtschaftliche Verarbeitung erlauben. Hinsichtlich der Materialauswahl der Schrauben gelten ähnliche Überlegungen, wie sie zuvor bezüglich der Nieten dargelegt wurden.The at least two body components can also advantageously be screwed on be connected. In particular, self-tapping screws can be used here Use that allow particularly rapid and economical processing. Similar considerations apply to the material selection of the screws as before with regard to the rivets.
Bei Versuchen der Anmelderin hat es sich besonders bewährt, umformtechnische Fügever fahren wie Durchsetzfügen, Nieten und/oder Verschrauben mit einer zusätzlichen Verkle bung der Fügebereiche der Karosseriebauteile zu kombinieren. Dabei hat es sich gezeigt, daß sich bei einem z. B. streifenförmigen, mit Klebemittel versehenen Fügebereich zweier Karosseriebauteile besonders feste Verbindungen ergeben, wenn die Durchsetzfügepunkte und/oder Nieten und/oder Schrauben nicht oder zumindest nicht ausschließlich in der Mitte der z. B. streifenförmigen Klebemittel-Auftragszone angeordnet sind, sondern längsseitig in den Randbereichen des z. B. streifenförmigen Klebemittel-Auftrags angeordnet sind.In tests by the applicant, it has proven particularly useful in joining technology drive like clinching, riveting and / or screwing with an additional adhesive combination of the joining areas of the body components. It has been shown that at a z. B. strip-shaped, provided with adhesive joining area two Body components produce particularly strong connections when the clinching points and / or rivets and / or screws not or at least not exclusively in the middle the z. B. strip-shaped adhesive application zone are arranged, but in the longitudinal side the edge areas of the z. B. strip-shaped adhesive application are arranged.
Grundsätzlich können die wenigstens zwei Karosseriebauteile aber auch durch reine Klebe verbindungen miteinander gefügt werden. Generell haben aber kombinierte Durchsetzfü ge/Niet/Schraub/-Klebe-Verbindungen in Versuchen der Anmelderin die höchsten erreichten statischen und dynamischen Festigkeitswerte gezeigt.In principle, the at least two body components can also be made by pure adhesive connections are joined together. In general, however, have combined enforcement ge / rivet / screw / adhesive connections achieved the highest in tests by the applicant static and dynamic strength values are shown.
Als Kleber kommen sowohl für reine Klebeverbindungen als auch für kombinierte Umform- Klebe-Verbindungen bevorzugt sowohl Kleber auf Polyurethan-Basis als auch Kleber auf Epoxidharz-Basis in Frage. Kleber auf Epoxidharz-Basis ermöglichen hochfeste Klebungen; sie werden daher bevorzugt z. B. für Strukturteile einer Kraftfahrzeugkarosserie verwendet, bei denen es auf hohe Festigkeit ankommt. Dies können z. B. Klebungen bei oder mit Ka rosseriesäulen oder -trägern sein.The adhesive comes both for pure adhesive connections and for combined forming Adhesive connections prefer both adhesive based on polyurethane and adhesive Epoxy resin base in question. Epoxy-based adhesives enable high-strength bonds; they are therefore preferred e.g. B. used for structural parts of a motor vehicle body, where high strength is important. This can e.g. B. bonds with or with Ka be pillars or beams.
Kleber auf Polyurethan-Basis ermöglichen hingegen elastische Klebungen auch bei größe ren Fügespalten, da sie ein besseres Spaltfüllungsvermögen besitzen. Sie werden daher bevorzugt für Klebungen an der Karosserieaußenhaut eines Kraftfahrzeugs verwendet, z. B. am Karosseriedach. Daneben kommen beispielsweise auch Klebebänder für eine Klebefü gung in Frage.Polyurethane-based adhesives, on the other hand, enable elastic bonding even when large joining gaps because they have a better gap filling capacity. Therefore you will preferably used for bonding to the outer skin of a motor vehicle, e.g. B. on the body roof. In addition, there are also tapes for an adhesive, for example questionable.
Insbesondere bei der Verwendung von Klebemitteln, und zwar sowohl bei reinen Klebever bindungen als auch kombinierten Umform-Klebe-Verbindungen, hat es sich bewährt, min destens eines der Karosseriebauteile zumindest im Fügebereich einer Oberflächenvorbe handlung zu unterwerfen. Diese Oberflächenvorbehandlung kann dazu dienen, die Oberflä che des Karosseriebauteils zumindest im Fügebereich zu reinigen und so eine bessere Haftung des Klebemittels an dem Karosseriebauteil im Fügebereich zu ermöglichen. Aller nativ oder zusätzlich kann sie auch dazu dienen, haftvermittelnde Substanzen auf die Ka rosseriebauteile zumindest im Fügebereich aufzubringen, um klebetechnisch günstige Be dingungen auf den Fügeflächen zu schaffen.Especially when using adhesives, both with pure adhesive bindings as well as combined formed-adhesive connections, it has proven itself, min at least one of the body components at least in the joining area of a surface preparation subject to action. This surface pretreatment can serve the surface to clean the surface of the body component at least in the joining area and thus a better one To allow adhesion of the adhesive to the body component in the joining area. Everything natively or additionally, it can also serve to impart adhesion-promoting substances to the Ka to install rosseriebauteile at least in the joining area, in order to be technically create conditions on the joining surfaces.
Bei den Versuchen der Anmelderin wurden verschiedene Oberflächenvorbehandlungs methoden angewandt, die einzeln oder in Kombination miteinander verwendet werden kön nen. Various surface pretreatments were used in the applicant's experiments methods applied that can be used individually or in combination nen.
Generell empfiehlt sich eine Vorbehandlung zumindest der Fügeflächen mittels Lösungen von reinigungsaktiven Substanzen - z. B. Detergentien und/oder Tensiden und/oder einem alkalischen Reinigungsbad - und/oder mittels organischer Lösungsmittel. Auf diese Weise können Fette, Öle, Schmutz, Staub und sonstige Oberflächenverschmutzungen, die eine optimale Benetzung der zu fügenden Oberflächen durch den Klebstoff behindern, verringert bzw. entfernt werden. Als organische Lösungsmittel haben sich bei Versuchen der Anmel derin insbesondere Aceton CH3COCH3 und/oder Methylethylketon CH3COC2H5 bewährt. Die Reinigungswirkung der vorzugsweise wäßrigen Lösung reinigungsaktiver Substanzen bzw. der organischen Lösemittel kann durch eine Ultraschallbehandlung noch wesentlich verbes sert werden. Selbstverständlich sind die verwendeten Lösungen reinigungsaktiver Substan zen und/oder die verwendeten organischen Lösungsmittel im Hinblick auf die Verträglichkeit mit den Kunststoffoberflächen geeignet auszuwählen.In general, pretreatment of at least the joining surfaces using solutions of cleaning-active substances - e.g. B. detergents and / or surfactants and / or an alkaline cleaning bath - and / or by means of organic solvents. In this way, greases, oils, dirt, dust and other surface contaminations that hinder optimal wetting of the surfaces to be joined by the adhesive can be reduced or removed. In attempts by the applicant, acetone CH 3 COCH 3 and / or methyl ethyl ketone CH 3 COC 2 H 5 have proven particularly useful as organic solvents. The cleaning action of the preferably aqueous solution of cleaning-active substances or of the organic solvents can be considerably improved by ultrasound treatment. Of course, the solutions of cleaning-active substances used and / or the organic solvents used are to be selected appropriately in view of their compatibility with the plastic surfaces.
Für alle in Lösung stattfindenden Oberflächen-Vorbehandlungsverfahren bietet sich unter stützend eine gleichzeitig oder alternierend erfolgende Ultraschallbehandlung an.For all surface pretreatment processes taking place in solution, see: supportive of a simultaneous or alternating ultrasound treatment.
Alternativ oder zusätzlich zu den bisher beschriebenen Oberflächenvorbehandlungs verfahren der Karosseriebauteile kann zumindest im späteren Fügebereich auch eine che mische Aktivierungsvorbehandlung durchgeführt werden.Alternatively or in addition to the previously described surface pretreatment The body components can also be moved at least in the later joining area mixing pretreatment.
Als bevorzugtes chemisches Vorbehandlungsverfahren zumindest des späteren Fügeberei ches mindestens eines Karosseriebauteiles mit einer Kunststoff-Oberfläche zumindest im Fügebereich wird eine Vorbehandlung durch Fluorieren eingesetzt. Die Fluorierung von Kunststoff-Oberflächen ist im einzelnen in den Artikeln G. Kranz, R. Lüschen, A. Pahl O.-D. Hennemann; Oberflächenaktivierung von PE und PP mit Fluor; Kleben & Dichten, 38 (1 994) 6, Seite 21-24 und O.-D. Hennemann, G.Krüger; Gasphasenfluorierung von Kunststoffen; Kunststoffberater 37 (1993) 3, Seite 25-27 dargestellt.As a preferred chemical pretreatment process, at least for the subsequent assembly shop ches at least one body component with a plastic surface at least in Pretreatment by fluorination is used for the joining area. The fluorination of Plastic surfaces are described in detail in the articles G. Kranz, R. Lüschen, A. Pahl O.-D. Hennemann; Surface activation of PE and PP with fluorine; Adhesive & Sealing, 38 (1 994) 6, pages 21-24 and O.-D. Hennemann, G. Kruger; Gas phase fluorination of plastics; Kunststoffberater 37 (1993) 3, pages 25-27.
Alternativ oder zusätzlich kann zumindest der Fügebereich des mindestens einen Karosse riebauteils mit einer Kunststoff-Oberfläche zumindest im Fügebereich einem Plasma- Vorbehandlungsverfahren, insbesondere einem Niederdruckplasma- Vorbehandlungsverfahren, unterworfen werden.Alternatively or additionally, at least the joining area of the at least one body can friction component with a plastic surface at least in the joining area of a plasma Pretreatment process, especially a low pressure plasma Pretreatment procedures.
Die geschilderten Oberflächen-Vorbehandlungsverfahren zumindest einer späteren Fügezo ne mindestens eines Karosseriebauteils mit einer Kunststoff-Oberfläche zumindest im Füge bereich dienen im wesentlichen der Aktivierung der Oberfläche zumindest des späteren Fü gebereiches (insbesondere gegenüber Polymeren wie z. B. Klebemitteln und Lacken) sowie der Entfernung von Ölen, Fetten und Staub. Auf den Oberflächen zumindest des Fügebe reichs erzeugte Oberflächenschichten sowie ggf. verwendete Klebstoffe sollen umformbar, insbesondere tiefziehfähig, temperaturstabil auch im Temperaturbereich von Lackier- und/oder KTL-Tauchbädern und/oder -Trockenöfen (d. h. bis zu maximal etwa 200°C), gut haftfähig und lagerfähig auch bei Bewetterung sein.The surface pretreatment process described at least one later joining ne at least one body component with a plastic surface at least in the joint areas essentially serve to activate the surface of at least the future foot range (especially in relation to polymers such as adhesives and paints) and the removal of oils, fats and dust. On the surfaces of at least the joint richly generated surface layers and any adhesives used should be formable, especially thermoformable, temperature stable even in the temperature range of paint and / or KTL immersion baths and / or drying ovens (i.e. up to a maximum of about 200 ° C), good be adhesive and storable even with weather.
Bei den verwendeten Karosseriebauteilen mit einer Oberfläche zumindest im Fügebereich aus einem Kunststoffmaterial kann es sich beispielsweise um plattenförmige Kunststoffteile handeln. Es kommen sowohl Reinpolymere als auch Mischpolymere als auch faserverstärk te Polymere als Kunststoff in Frage.In the body components used with a surface at least in the joining area a plastic material can be, for example, plate-shaped plastic parts act. Both pure polymers and mixed polymers as well as fiber-reinforced come te polymers as plastic in question.
Die Fügeverfahren werden vorteilhaft im Kraftfahrzeug-Karosseriebau zum Fügen von Ka rosseriebauteilen eingesetzt. Z.B. können die geschilderten Verfahren zum Fügen einer Fahrzeugsäule oder Fahrzeugsäulenkomponente mit einem Fahrzeugschweller oder einer Fahrzeugschwellerkomponente, mit einem Fahrzeuglängsträger oder einer Fahrzeuglängs trägerkomponente oder mit einem Fahrzeugdach oder einer Fahrzeugdachkomponente die nen. Sie können auch beispielsweise zum Fügen eines innenliegenden Fahrzeug-Seitenteils oder einer innenliegenden Fahrzeug-Seitenteilkomponente mit einem außenliegenden Fahr zeug-Seitenteil bzw. einer außenliegenden Fahrzeug-Seitenteilkomponente dienen.The joining methods are advantageously used in motor vehicle body construction for joining Ka Rossie components used. E.g. can the described methods for joining a Vehicle pillar or vehicle pillar component with a vehicle sill or Vehicle threshold component, with a vehicle side member or a vehicle side carrier component or with a vehicle roof or a vehicle roof component nen. You can also use it, for example, to join an internal vehicle side panel or an internal vehicle side component with an external drive serve side panel or an external vehicle side panel component.
Die Erfindung wird im folgenden anhand mehrerer Ausführungsbeispiele geschildert, die unter Hinweis auf die beigefügten Zeichnungen näher erläutert werden.The invention is described below using several exemplary embodiments, the with reference to the accompanying drawings.
In den beigefügten Zeichnungen zeigen:In the accompanying drawings:
Fig. 1 eine Draufsicht auf eine Überlapp-Fügeverbindung zweier Karosseriebauteile (im Ausbruch), wobei eine kombinierte Niet-Klebe-Verbindung dargestellt ist; Figure 1 is a plan view of an overlap joint connection of two body parts (in the cutout), a combined rivet-adhesive connection is shown.
Fig. 2 ein Querschnitt entlang der Linie I-I der Fig. 1 durch die Fügeverbindung der Fig. 1. Fig. 2 is a cross section along line II of FIG. 1 by the joint connection of FIG. 1.
Die Fügeuntersuchungen wurden vorzugsweise an plattenförmigen Karosseriebauteilen 1, 2 aus Kunststoffwerkstoffen mit einer Dicke von 1,5 mm bis 2,5 mm durchgeführt.The joining tests were preferably carried out on plate-shaped body components 1 , 2 made of plastic materials with a thickness of 1.5 mm to 2.5 mm.
Als Kunststoff-Werkstoff wurde unter anderem der Kunststoff Tepex 201 der Firma Du Pont (ein kohlefaserverstärkter thermoplastischer Polyamid-Kunstoff) eingesetzt. Daneben wur den beispielsweise auch duroplastische kohlefaserverstärkte Polyester- und Epoxidharz- Kunststoffe der Firma Prototec verwendet. Among other things, the plastic Tepex 201 from Du Pont was used as the plastic material (a carbon fiber reinforced thermoplastic polyamide plastic) used. Next to it for example also thermosetting carbon fiber reinforced polyester and epoxy resin Prototec plastics are used.
Die Kunststoff-Karosseriebauteile wurden zunächst überwiegend einer Entfettung in einem Bad mit einer wäßrigen Detergentien-Tenside-Lösung bei Raumtemperatur unterworfen, wobei gleichzeitig Ultraschall (Frequenz 20 kHz bis 40 kHz) zur Erhöhung der Reinigungs wirkung des Acetonbades eingesetzt wurde. Die gereinigten Kunststoffplatten wurden an schließend mit klarem Wasser abgespült und getrocknet.The plastic body parts were initially degreased in one Subjected to a bath with an aqueous detergent-surfactant solution at room temperature, at the same time ultrasound (frequency 20 kHz to 40 kHz) to increase cleaning effect of the acetone bath was used. The cleaned plastic plates were on finally rinsed with clear water and dried.
Ein Teil der Kunststoff-Probeplatten wurde einer chemischen Vorbehandlung durch Fluorie ren unterworfen. Ein anderer Teil der Kunststoff-Probeplatten wurde einem Niederdruck plasma-Vorbehandlungsverfahren unterzogen.Part of the plastic test panels underwent chemical pretreatment by Fluorie subject. Another part of the plastic test panels was subjected to low pressure subjected to plasma pretreatment processes.
Die derart vorbehandelten Kunststoff-Karosserieplatten wurden sodann mittels verschiede ner Klebstoffe bei Raumtemperatur zusammengeklebt.The plastic body panels pretreated in this way were then different glue stuck together at room temperature.
Als ein Klebstoff wurde ein heißhärtender einkomponentiger Epoxidkleber auf Basis von Bisphenol-A und Bisphenol-F verwendet. Epoxidkleber dieses Typs werden unter den Be zeichnungen XW 1185 und XD 4600 von der Firma Ciba-Geigy, Basel kommerziell angebo ten. Der Epoxidkleber kann z. B. in KTL-Tauchbädern und -Trockenöfen der Automobilindu strie ausgehärtet werden.A thermosetting, one-component epoxy adhesive based on Bisphenol-A and Bisphenol-F are used. Epoxy adhesives of this type are listed under the Be drawings XW 1185 and XD 4600 commercially available from Ciba-Geigy, Basel The epoxy adhesive can e.g. B. in KTL immersion baths and drying ovens of the automotive industry strie be cured.
Als ein anderer Kleber wurde ein einkomponentiger Polyurethan-Klebstoff verwendet, der unter der Bezeichnung Tivo 9551/43 von der Firma Tivoli, Hamburg kommerziell angeboten wird.As another adhesive, a one-component polyurethane adhesive was used, the commercially available under the name Tivo 9551/43 from Tivoli, Hamburg becomes.
Die Klebeversuche wurden teils unmittelbar nach den geschilderten Oberflächenvorbehand lungsverfahren, teilweise auch nach mehrstündigem bzw. mehrtägigem Abwarten - teilweise unter Außenbewetterung - durchgeführt.The adhesive tests were partially carried out immediately after the surface pretreatment described processing procedure, sometimes even after waiting for several hours or several days - sometimes under external ventilation - carried out.
Bei einem Teil der hergestellten Klebeverbindungen wurde zusätzlich eine umformtechni sche Fügeverbindung mittels Stanz-Vollnieten, Stanz-Halbhohlnieten, Blindnieten und/oder gewindeschneidender Schrauben durchgeführt. Die verwendeten Nieten bzw. Schrauben bestanden entweder aus einer besonders kupfer- und eisenarmen Aluminiumlegierung mit einer Kunststoffbeschichtung, oder aus mit einer ALMAC-Zink-Beschichtung versehenem Stahl. Derartige ALMAC-Zink-Beschichtungen sind in H. Kaesche, Die Korrosion der Metalle, Springer-Verlag 1990 näher geschildert.For some of the adhesive bonds produced, a forming technique was also used cal joint connection by means of punch rivets, punch half-rivets, blind rivets and / or tapping screws performed. The rivets or screws used consisted of either a particularly low-copper or low-iron aluminum alloy a plastic coating, or from an ALMAC zinc coating Steel. Such ALMAC zinc coatings are described in H. Kaesche, The Corrosion of Metals, Springer-Verlag described in more detail in 1990.
Besonders bewährt hat sich, die Durchsetzfügepunkte, Nieten 3 und/oder Schrauben nicht in der Mitte des Klebemittelauftrags in der streifenförmigen Fügezone anzuordnen, sondern sie längsseitig in den Randbereichen der Klebemittelauftragszone anzubringen (vergl. Fig. 1 und Fig. 2). Hinsichtlich des Klebeanteils einer Niet-Klebe-Verbindung bzw. Durchsetzfüge- Klebe-Verbindung bzw. Schraub-Klebe-Verbindung der beiden Karosseriebauteile 1, 2 ist nämlich die Festigkeit der Klebeverbindung mittels des Klebemittels 4 im mittleren Bereich C der streifenförmigen Fügezone 5 optimal, während sie in den Randbereichen A, B der Füge zone 5 deutlich geringer ist. Ordnet man nun in diesen Randbereichen A, B der streifenför migen Fügezone 5 die Nieten 3, Durchsetzfügestellen und/oder Schrauben an, so verleihen diese der kombinierten Niet-Klebe-Verbindung bzw. Durchsetzfüge-Klebe-Verbindung bzw. Schraub-Klebe-Verbindung genau in diesen durch den Klebstoff 4 nur schwächer verbunde nen Randbereichen A, B eine hohe Verbundfestigkeit, insbesondere bei schälender Bean spruchung.The clinching points, rivets 3 and / or screws has proved particularly suitable, not to be arranged in the middle of the adhesive agent application in the strip-shaped joining zone, but to attach the longitudinal side in the edge regions of the adhesive application zone (comp. Fig. 1 and Fig. 2). With regard to the adhesive portion of a rivet-adhesive connection or push-through adhesive connection or screw-adhesive connection of the two body components 1 , 2 , the strength of the adhesive connection by means of the adhesive 4 in the central region C of the strip-shaped joining zone 5 is optimal, while it is significantly lower in the edge areas A, B of the joining zone 5 . If one arranges the rivets 3 , clinching points and / or screws in these edge areas A, B of the strip-shaped joining zone 5 , then these give the combined rivet-adhesive connection or clinching-joint connection or screw-adhesive connection exactly in these edge areas A, B, which are only weakly bonded by the adhesive 4 , have a high bond strength, particularly in the case of peeling stress.
Bei mit dem Polyurethan-Klebstoff durchgeführten Niet-Klebe-Versuchen bildet das Nietele ment das "Hauptfügeverfahren". Das (im Vergleich zu Epoxidharz-Klebstoffen) mit der nied rigeren Steifigkeit ausgestattete, gut verformbare Polyurethan wird vorwiegend als Dichtstoff, Korrosionsschutz und Dämpfungswerkstoff genutzt. Beim Einsatz der steiferen Epoxidkleber wirkt hingegen das Kleben als "Hauptfügeverfahren". Das Nieten dient hier als Fixierhilfe sowie als Entlastung bei bestimmten Arten mechanischer Belastung, insbesondere bei schälender Belastung.In rivet-glue tests carried out with the polyurethane adhesive, the rivet forms ment the "main joining process". The (compared to epoxy resin adhesives) with the low Rigid, well deformable polyurethane is mainly used as a sealant, Corrosion protection and damping material used. When using the stiffer epoxy adhesive however, gluing acts as the "main joining process". The riveting serves as a fixation aid as well as relief for certain types of mechanical stress, especially for peeling load.
Bei den Versuchen der Anmelderin haben sich sowohl reine umformtechnische Fügeverfah ren als auch reine Klebeverfahren zum Fügen von mindestens zwei Karosseriebauteilen 1, 2, die zumindest im Fügebereich eine Oberfläche aus einem Kunststoff aufweisen, als ge eignet erwiesen. Als besonders geeignet, da besonders fest, langzeitstabil und sicher erwie sen sich die jeweils kombinierten Umform-Klebe-Fügeverfahren.In the experiments of the applicant, both pure forming joining processes and pure adhesive processes for joining at least two body parts 1 , 2 , which have a surface made of a plastic at least in the joining area, have proven to be suitable. The combined forming-glue-joining process has proven to be particularly suitable because it is particularly strong, long-term stable and safe.
Claims (33)
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DE19800038A DE19800038A1 (en) | 1998-01-02 | 1998-01-02 | Joining reinforced plastic structural components of vehicle bodywork |
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DE19800038A DE19800038A1 (en) | 1998-01-02 | 1998-01-02 | Joining reinforced plastic structural components of vehicle bodywork |
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