DE102011013775A1 - Method for manufacturing motor vehicle body component from glass-reinforced plastic material, involves deforming insert of fiber composite material, and separating positioning member from base body of insert at reference break section - Google Patents

Method for manufacturing motor vehicle body component from glass-reinforced plastic material, involves deforming insert of fiber composite material, and separating positioning member from base body of insert at reference break section Download PDF

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Publication number
DE102011013775A1
DE102011013775A1 DE201110013775 DE102011013775A DE102011013775A1 DE 102011013775 A1 DE102011013775 A1 DE 102011013775A1 DE 201110013775 DE201110013775 DE 201110013775 DE 102011013775 A DE102011013775 A DE 102011013775A DE 102011013775 A1 DE102011013775 A1 DE 102011013775A1
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DE
Germany
Prior art keywords
insert
fiber composite
composite material
positioning
base body
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Withdrawn
Application number
DE201110013775
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German (de)
Inventor
Dipl.-Ing. Eipper Konrad
Dipl.-Ing. Michael (FH) Kelz
Dr.-Ing. Rudlaff Thomas
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Mercedes Benz Group AG
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Daimler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daimler AG filed Critical Daimler AG
Priority to DE201110013775 priority Critical patent/DE102011013775A1/en
Publication of DE102011013775A1 publication Critical patent/DE102011013775A1/en
Withdrawn legal-status Critical Current

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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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/12—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
    • B29C33/123—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels for centering the inserts
    • B29C33/126—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels for centering the inserts using centering means forming part of the insert
    • 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
    • B29C45/0081—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor of objects with parts connected by a thin section, e.g. hinge, tear line
    • 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
    • B29C70/86—Incorporated in coherent impregnated reinforcing layers, e.g. by winding
    • 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
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The method involves inserting a metallic insert (10) into a molding tool, and positioning the metallic insert in the molding tool via a positioning member i.e. positioning shaft (14), which is made of plastic. The metallic insert of fiber composite material is deformed such that the fiber composite material is cured. The positioning member is separated from the base body (12) of the insert at a reference break section (18), after curing the fiber composite material. The positioning member is molded before being fixed at the base body. An independent claim is also included for an insert used in the manufacturing of a motor vehicle body component.

Description

Die Erfindung betrifft ein Verfahren zum Herstellen eines Bauteils aus einem Faserverbundmaterial nach dem Oberbegriff von Patentanspruch 1 sowie ein Einlegeteil für ein solches Bauteil nach dem Oberbegriff von Patentanspruch 4.The invention relates to a method for producing a component from a fiber composite material according to the preamble of patent claim 1 and an insert for such a component according to the preamble of claim 4.

Die Verwendung von Einlegeteilen zur lokalen Veränderung der Materialeigenschaften bzw. Festigkeit eines Bauteils ist aus der Gießereitechnik bekannt und beispielsweise in der DE 102 60 488 A1 offenbart. Auch bei der Herstellung von Bauteilen aus faserverstärkten Kunststoffen finden solche Einleger, die dort oftmals aus Metallen ausgebildet sind, Verwendung. Bei der Verwendung derartiger Einleger muss sichergestellt werden, dass diese im Formwerkzeug, in dem das Faserverbundbauteil letztendlich ausgeformt wird, korrekt positioniert sind und nicht verrutschen können. Hierzu sind oftmals Positionierhilfen am Einleger angeformt, mittels welcher dieser am Formwerkzeug fixiert werden kann. Nach dem Formen des Faserverbundbauteils werden diese Positionierhilfen nicht mehr benötigt und stören oftmals. Die Entfernung der Positionierhilfe ist dabei in der Regel aufwändig, so dass die Herstellungskosten für ein solches Faserverbundbauteil nachteilig hoch ausfallen.The use of inserts for local change in the material properties or strength of a component is known from the foundry industry and, for example, in the DE 102 60 488 A1 disclosed. Also in the manufacture of components made of fiber-reinforced plastics find such depositors, which are often formed there from metals, use. When using such depositors must be ensured that they are correctly positioned in the mold, in which the fiber composite component is finally formed, and can not slip. For this purpose positioning aids are often formed on the insert, by means of which this can be fixed to the mold. After forming the fiber composite component these positioning aids are no longer needed and often interfere. The removal of the positioning aid is usually complex, so that the manufacturing costs for such a fiber composite component disadvantageously high.

Der vorliegenden Erfindung liegt somit die Aufgabe zugrunde, ein Verfahren zum Herstellen eines Bauteils nach dem Oberbegriff von Patentanspruch 1 sowie ein Einlegeteil für ein solches Bauteil nach dem Oberbegriff von Patentanspruch 4 bereitzustellen, welches eine zuverlässige Positionierung von Einlegeteilen ermöglicht, ohne dass störende Positionierhilfen zurück bleiben.The present invention is therefore an object of the invention to provide a method for producing a component according to the preamble of claim 1 and an insert for such a component according to the preamble of claim 4, which allows reliable positioning of inserts without disturbing positioning aids remain ,

Diese Aufgabe wird durch ein Verfahren mit den Merkmalen des Patentanspruchs 1 sowie durch ein Einlegeteil mit den Merkmalen des Patentanspruchs 4 gelöst.This object is achieved by a method having the features of patent claim 1 and by an insert with the features of claim 4.

Bei einem solchen Verfahren zum Herstellen eines Bauteils, insbesondere für eine Karosserie eines Kraftwagens, wird wenigstens ein metallisches Einlegeteil in ein Formwerkzeug eingelegt, mittels eines Positionierelements in dem Formwerkzeug positioniert und mit einem Faserverbundmaterial zumindest bereichsweise umformt, wonach das Faserverbundmaterial ausgehärtet wird. Erfindungsgemäß ist dabei vorgesehen, dass das Positionierelement nach Aushärten des Faserverbundmaterials von einem Grundkörper des Einlegeteils abgetrennt wird. Im fertigen Bauteil verbleibt somit bei der Anwendung eines erfindungsgemäßen Verfahrens lediglich derjenige Teil eines Einlegeteils, welcher aus funktionalen Gründen auch benötigt wird, nach dem Aushärten unnötige Positionierhilfen werden entfernt und üben keine störenden Einflüsse mehr auf das Bauteil aus.In such a method for producing a component, in particular for a body of a motor vehicle, at least one metallic insert is inserted into a mold, positioned by means of a positioning in the mold and at least partially reshaped with a fiber composite material, after which the fiber composite material is cured. According to the invention it is provided that the positioning is separated after curing of the fiber composite material of a main body of the insert. In the finished component thus remains in the application of a method according to the invention only that part of an insert, which is also required for functional reasons, after curing unnecessary positioning aids are removed and exert no disturbing influences on the component.

Es ist dabei besonders zweckmäßig, wenn das Positionierelement an einer Sollbruchstelle abgetrennt wird. Dies ermöglicht ein einfaches Entfernen des Positionierelements, ohne dass hierzu spezielle trennende Verfahren eingesetzt werden müssen. Hierdurch ergibt sich ein besonders kostengünstiges Verfahren.It is particularly useful when the positioning is separated at a predetermined breaking point. This allows easy removal of the positioning, without the need for special separation methods must be used. This results in a particularly cost-effective method.

In einer weiteren bevorzugten Ausführungsform der Erfindung wird das Positionierelement vor dem Einlegen an den Gusskörper angespritzt. Hierzu kann beispielsweise ein Kunststoffspritzguss Anwendung finden. Das Positionierelement ist dann besonders leicht von dem metallischen Grundkörper abzutrennen, so dass das Verfahren besonders einfach und prozesssicher durchzuführen ist.In a further preferred embodiment of the invention, the positioning element is injection-molded onto the cast body prior to insertion. For this purpose, for example, find a plastic injection molding application. The positioning is then particularly easy to separate from the metallic body, so that the process is particularly simple and process reliable to perform.

Die Erfindung betrifft ferner ein Einlegeteil für ein Bauteil aus einem Faserverbundmaterial, insbesondere ein Karosseriebauteil eines Kraftwagens, mit einem metallischen Grundkörper sowie einem Positionierelement zum Positionieren des Einlegeteils in einem Formwerkzeug zum Formen des Bauteils. Erfindungsgemäß ist dabei vorgesehen, dass das Positionierelement an einer Sollbruchstelle von dem Grundkörper abtrennbar ist. das Vorsehen einer solchen Sollbruchstelle erleichtert das spätere Entfernen des Positionierelements beträchtlich, so dass dieses ohne großen Aufwand entfernt werden kann und keinen störenden Einschluss auf das fertige Bauteil mehr ausübt.The invention further relates to an insert for a component made of a fiber composite material, in particular a body component of a motor vehicle, with a metallic base body and a positioning member for positioning the insert in a mold for forming the component. According to the invention, it is provided that the positioning element can be separated from the base body at a predetermined breaking point. the provision of such a predetermined breaking point facilitates the subsequent removal of the positioning considerably, so that it can be removed without much effort and no disturbing inclusion on the finished component more exerts.

Vorzugsweise ist das Positionierelement aus einem Kunststoff ausgebildet, was dessen Entfernung besonders erleichtert. Es ist dabei besonders zweckmäßig, das Positionierelement an den metallischen Grundkörper anzuspritzen, was mittels üblicher Spritzgussverfahren geschehen kann.Preferably, the positioning element is made of a plastic, which particularly facilitates its removal. It is particularly expedient to inject the positioning element on the metallic base body, which can be done by means of conventional injection molding.

Im Folgenden wird die Erfindung und ihre Ausführungsformen anhand der Zeichnung näher erläutert. Die einzige Figur zeigt hierbei eine schematische Darstellung eines Ausführungsbeispiels eines erfindungsgemäßen Einlegeteils zur Verwendung in einem Ausführungsbeispiel eines erfindungsgemäßen Verfahrens.In the following the invention and its embodiments will be explained in more detail with reference to the drawing. The single figure shows a schematic representation of an embodiment of an insert according to the invention for use in an embodiment of a method according to the invention.

Ein im Ganzen mit 10 bezeichnetes Einlegteil welches bei der Herstellung eines Faserverbundbauteils in ein entsprechendes Formwerkzeug eingelegt und von dem Verbundmaterial zumindest bereichsweise umgeben wird, umfasst einen metallischen Grundkörper 12 sowie einen Positionierungsschaft 14, mittels welchem der Grundkörper 12 in der gewünschten Position in den Formwerkzeug angeordnet werden kann. Nach dem Anformen des Faserverbundmaterials, welches mit üblichen Verfahren, beispielsweise dem resin transfer molding, der Verwendung von geeigneten prepregs oder sheet molding compounds folgen kann, ist der Positionierungsschaft 14 nicht mehr nötig und kann gegebenenfalls sogar stören. Daher ist im Übergangsbereich 16 zwischen dem Positionierungsschaft 14 und dem Grundkörper 12 eine Sollbruchstelle 18 vorgesehen, an der der Positionierungsschaft 14 durch einfache Kraftbeaufschlagung vom Grundkörper 12 abgetrennt, insbesondere abgebrochen werden kann. Dies erfolgt nach dem Aushärten des Faserverbundmaterials, welches wiederum auf üblicherweise beispielsweise thermisch oder fotoinitiiert stattfinden kann.A whole with 10 designated Einlegteil which is inserted in the manufacture of a fiber composite component in a corresponding mold and surrounded by the composite material at least partially, comprises a metallic base body 12 as well as a positioning team 14 , by means of which the basic body 12 can be arranged in the desired position in the mold. After the molding of the fiber composite material, which can follow by conventional methods, for example, the resin transfer molding, the use of suitable prepregs or sheet molding compounds is the positioning shaft 14 no longer necessary and may even disturb you. Therefore, in the transition area 16 between the positioning shaft 14 and the body 12 a breaking point 18 provided at the positioning shaft 14 by simple application of force from the main body 12 separated, in particular, can be canceled. This takes place after the curing of the fiber composite material, which in turn can usually take place, for example, thermally or photoinitiated.

Der Positionierungsschaft 14 kann einstückig mit dem Grundkörper 12 ausgebildet sein. Es ist jedoch besonders zweckmäßig, für den Positionierungsschaft 14 und den Grundkörper 12 unterschiedliche Materialien zu wählen. Insbesondere ist es vorteilhaft, den Positionierungsschaft 14 aus einem Kunststoff an das Material des Grundkörpers 12 anzuspritzen, weil sich so eine besonders einfache Entfernbarkeit des Positionierungsschafts ergibt.The positioning team 14 can be integral with the main body 12 be educated. However, it is particularly convenient for the positioning team 14 and the main body 12 to choose different materials. In particular, it is advantageous to the positioning shaft 14 made of a plastic to the material of the body 12 zuzuspritzen, because this results in a particularly simple removability of the positioning shaft.

Insgesamt wird so ein Einlegeteil 10 geschaffen, welches zuverlässig in einem Formwerkzeug zur Herstellung von Faserverbundbauteilen positioniert werden kann, wobei die Positionierhilfe 14 problemlos nachträglich entfernt werden kann, so dass sie keine störenden Einflüsse auf das fertige Faserverbundbauteil ausübt.Overall, such an insert 10 created, which can be reliably positioned in a mold for the production of fiber composite components, wherein the positioning aid 14 can easily be removed later, so that it exerts no disturbing influences on the finished fiber composite component.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Einlegteilunion end
1212
Grundkörperbody
1414
Positionierungsschaftpositioning shaft
1616
ÜbergangsbereichTransition area
1818
SollbruchstelleBreaking point

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

  • DE 10260488 A1 [0002] DE 10260488 A1 [0002]

Claims (6)

Verfahren zum Herstellen eines Bauteils, insbesondere für eine Karosserie eines Kraftwagens, bei welchem wenigstens ein metallisches Einlegeteil (10) in ein Formwerkzeug eingelegt, mittels eines Positionierelements (14) in dem Formwerkzeug positioniert und mit einem Faserverbundmaterial zumindest bereichsweise umformt wird, wonach das Faserverbundmaterial ausgehärtet wird, dadurch gekennzeichnet, dass das Positionierelement (14) nach dem Aushärten des Faserverbundmaterials von einem Grundkörper (12) des Einlegeteils (10) abgetrennt wird.Method for producing a component, in particular for a body of a motor vehicle, in which at least one metallic insert ( 10 ) inserted in a mold, by means of a positioning element ( 14 ) is positioned in the mold and at least partially deformed with a fiber composite material, after which the fiber composite material is cured, characterized in that the positioning element ( 14 ) after curing of the fiber composite material from a base body ( 12 ) of the insert ( 10 ) is separated. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Positionierelement (14) an einer Sollbruchstelle (18) abgetrennt wird.Method according to claim 1, characterized in that the positioning element ( 14 ) at a predetermined breaking point ( 18 ) is separated. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Positionierelement (14) vor dem Einlegen an den Grundkörper (12) angespritzt wird.Method according to claim 1 or 2, characterized in that the positioning element ( 14 ) before being placed on the base body ( 12 ) is injected. Einlegeteil (10) für ein Bauteil aus einem Faserverbundmaterial, insbesondere ein Karosseriebauteil eines Kraftwagens, mit einem metallischen Grundkörper (12) sowie einem Positionierelement (14) zum Positionieren des Einlegeteils (10) in einem Formwerkzeug zum Formen des Bauteils, dadurch gekennzeichnet, dass das Positionierelement (14) an einer Sollbruchstelle (18) von dem Grundkörper (12) abtrennbar ist.Insert ( 10 ) for a component made of a fiber composite material, in particular a body component of a motor vehicle, with a metallic base body ( 12 ) as well as a positioning element ( 14 ) for positioning the insert ( 10 ) in a mold for forming the component, characterized in that the positioning element ( 14 ) at a predetermined breaking point ( 18 ) of the basic body ( 12 ) is separable. Einlegeteil (10) nach Anspruch 4, dadurch gekennzeichnet, dass das Positionierelement (14) aus einem Kunststoff ausgebildet ist.Insert ( 10 ) according to claim 4, characterized in that the positioning element ( 14 ) is formed of a plastic. Einlegeteil (10) nach Anspruch 5, dadurch gekennzeichnet, dass das Positionierelement (14) an den Grundkörper (12) angespritzt ist.Insert ( 10 ) according to claim 5, characterized in that the positioning element ( 14 ) to the main body ( 12 ) is injected.
DE201110013775 2011-03-12 2011-03-12 Method for manufacturing motor vehicle body component from glass-reinforced plastic material, involves deforming insert of fiber composite material, and separating positioning member from base body of insert at reference break section Withdrawn DE102011013775A1 (en)

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DE201110013775 DE102011013775A1 (en) 2011-03-12 2011-03-12 Method for manufacturing motor vehicle body component from glass-reinforced plastic material, involves deforming insert of fiber composite material, and separating positioning member from base body of insert at reference break section

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012109127B3 (en) * 2012-09-27 2013-09-05 Albrecht Jung Gmbh & Co. Kg Carriage assembly for installation of e.g. electrical installation apparatus in wall of building, has positioning element whose middle area is designed as centering piece that acts together with positioning area of installation point
DE102013009931A1 (en) 2013-06-13 2014-12-18 Daimler Ag Method and tool for producing a fiber composite component

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10260488A1 (en) 2002-12-21 2004-07-01 Dr.Ing.H.C. F. Porsche Ag Production of a crankshaft bearing composite for an internal combustion engine involves producing open-pored insertion parts or pressed bodies made from fiber-reinforced ceramic by squeeze casting and infiltrating with a molten metal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10260488A1 (en) 2002-12-21 2004-07-01 Dr.Ing.H.C. F. Porsche Ag Production of a crankshaft bearing composite for an internal combustion engine involves producing open-pored insertion parts or pressed bodies made from fiber-reinforced ceramic by squeeze casting and infiltrating with a molten metal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012109127B3 (en) * 2012-09-27 2013-09-05 Albrecht Jung Gmbh & Co. Kg Carriage assembly for installation of e.g. electrical installation apparatus in wall of building, has positioning element whose middle area is designed as centering piece that acts together with positioning area of installation point
DE102013009931A1 (en) 2013-06-13 2014-12-18 Daimler Ag Method and tool for producing a fiber composite component

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Effective date: 20141001