DE102005038469A1 - Injection molding process for manufacturing motor vehicle component in two plastics involves internal and/or external gas pressure injection from rear side of second part to prevent sink marks on visible front face of first part - Google Patents
Injection molding process for manufacturing motor vehicle component in two plastics involves internal and/or external gas pressure injection from rear side of second part to prevent sink marks on visible front face of first part Download PDFInfo
- Publication number
- DE102005038469A1 DE102005038469A1 DE200510038469 DE102005038469A DE102005038469A1 DE 102005038469 A1 DE102005038469 A1 DE 102005038469A1 DE 200510038469 DE200510038469 DE 200510038469 DE 102005038469 A DE102005038469 A DE 102005038469A DE 102005038469 A1 DE102005038469 A1 DE 102005038469A1
- Authority
- DE
- Germany
- Prior art keywords
- plastic
- component
- injection molding
- pressure injection
- gas pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1703—Introducing an auxiliary fluid into the mould
- B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1703—Introducing an auxiliary fluid into the mould
- B29C45/174—Applying a pressurised fluid to the outer surface of the injected material inside the mould cavity, e.g. for preventing shrinkage marks
-
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0025—Opaque
-
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0026—Transparent
-
- 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
- B29L2031/3005—Body finishings
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Herstellen eines Spritzguss-Kunststoffbauteils, insbesondere für ein Fahrzeug, wobei das Kunststoffbauteil einen ersten Kunststoffanteil mit einer Sichtfläche an einer Bauteilaußenseite und einen zweiten Kunststoffanteil mit einer geometrisch strukturierten Außenfläche an einer Bauteilinnenseite enthält, gemäß dem Oberbegriff des Anspruchs 1.The The invention relates to a method for producing an injection-molded plastic component, especially for a vehicle, wherein the plastic component comprises a first plastic portion with a visible surface a component outside and a second plastic portion with a geometrically structured Outer surface at one Contains component inside, according to the generic term of claim 1.
Ferner betrifft die Erfindung ein Kunststoffbauteil entsprechend dem Oberbegriff des Anspruchs 6.Further The invention relates to a plastic component according to the preamble of claim 6.
Verfahren
und Kunststoffbauteile der eingangs genannten Art sind bekannt.
Beispielsweise offenbart die
Es ist Aufgabe der Erfindung, ein Verfahren zur Herstellung eines alternativen Spritzguss-Kunststoffbauteils vorzuschlagen.It It is an object of the invention to provide a method for producing an alternative To propose injection-molded plastic component.
Ferner ist es Aufgabe der Erfindung, ein geeignetes Kunststoffbauteil, das mittels des Verfahrens hergestellt ist, anzugeben.Further It is an object of the invention to provide a suitable plastic component, which is produced by the method to specify.
Zur Lösung der Aufgabe wird ein Verfahren mit den Merkmalen des Anspruchs 1 vorgeschlagen. Das erfindungsgemäße Verfahren zeichnet sich dadurch aus, dass die zwei Kunststoffanteile aus unterschiedlichen Kunststoffmaterialien bestehen, unter Ausbildung eines Zweikomponenten-Kunststoffbauteils, das mittels eines Innendruck-Spritzgießverfahrens und/oder mittels eines Außendruck-Spritzgießverfahrens hergestellt wird, zur Erzielung einer in Bezug auf die Genauigkeit der Oberflächenkontur definierten Sichtfläche am ersten Kunststoffanteil. Hierbei wird unter einer in Bezug auf die Oberflächenkontur definierte Sichtfläche insbesondere eine Fläche ohne augenscheinlich erkennbare Einfallstellen verstanden. Dabei kann die Sichtfläche gekrümmt und/oder eben und/oder anders definiert geformt sein. Die Sichtfläche muss somit einer besonders hohen Qualitätsanforderung genügen, die der Anforderung an eine Spiegelfläche entspricht. Das Verfahren erlaubt die Herstellung eines Zweikomponenten-Kunststoffbauteils unter Gewährleistung der erwähnten hohen Qualitätsanforderung an die Sichtfläche. Durch den Einsatz von zwei artunterschiedlichen Kunststoffmaterialien kann konstruktionstechnisch besonders flexibel ein multifunktionelles Kunststoffbauteil geschaffen werden, d.h. ein Kunststoffbauteil mit hoher Steifigkeit und Funktionalität einerseits (zweiter Kunststoffanteil mit geometrisch strukturierter Außenfläche) und einer formexakten Sichtfläche andererseits (erster Kunststoffanteil).to solution The object is a method with the features of claim 1 proposed. The inventive method is characterized by the fact that the two plastic parts of different Plastic materials consist, forming a two-component plastic component, by means of an internal pressure injection molding and / or by means an external pressure injection molding process is made to achieve a precision in terms of accuracy the surface contour defined visible surface on the first plastic part. This is under a respect to the surface contour defined visible surface in particular an area without obviously recognizable sinks understood. It can the visible surface curved and / or be shaped just and / or differently defined. The visible surface must thus satisfy a particularly high quality requirement, the meets the requirement for a mirror surface. The procedure allows the production of a two-component plastic component under warranty the mentioned high quality requirement to the visible surface. Through the use of two different types of plastic materials can constructionally very flexible a multifunctional Plastic component are created, i. a plastic component with high rigidity and functionality on the one hand (second plastic part with geometrically structured outer surface) and a form-perfect viewing area on the other hand (first plastic part).
Das Kunststoffbauteil wird vorzugsweise durch ein Gasinnendruck-Spritzgießverfahren und/oder durch ein Gasaußendruck-Spritzgießverfahren hergestellt. Das Gasinnendruck- und das Gasaußendruck-Spritzgießverfahren sind zur Herstellung von Kunststoffbauteilen an sich bekannt. Bei dem Zweikomponenten-Kunststoffbauteil wird vorzugsweise der zweite Kunststoffanteil, d. h. der Kunststoffanteil ohne Sichtfläche, mittels des Gasinnendruck- und/oder mittels des Gasaußendruck-Spritzgießverfahrens hergestellt zur Vermeidung von Einfallstellen an der Sichtfläche des ersten Kunststoffanteils.The Plastic component is preferably by an internal gas pressure injection molding and / or by an external gas pressure injection molding process produced. The internal gas pressure and the external gas pressure injection molding process are known per se for the production of plastic components. In which Two-component plastic component is preferably the second plastic component, d. H. the proportion of plastic without visible surface, by means of the internal gas pressure and / or by means of the external gas pressure injection molding process manufactured to avoid sink marks on the visible surface of the first plastic part.
Der erste Kunststoffanteil kann aus einem transparenten Kunststoffmaterial hergestellt sein. Ferner kann der zweite Kunststoffanteil aus einem nicht-transparenten und insbesondere schwarzen Kunststoffmaterial hergestellt sein. Derartige Kunststoffbauteile kommen insbesondere bei Kraftfahrzeugen als Sichtteile zum Einsatz. Dabei ermöglicht die Zweikomponenten-Spritzgießtechnik ggf. auch die Realisierung eines Leichtbaukonzepts bei der Konzipierung des Kunststoffbauteils.Of the first plastic part can be made of a transparent plastic material be prepared. Furthermore, the second plastic portion of a non-transparent and in particular be made of black plastic material. Such plastic components are used especially in motor vehicles used as visible parts. The two-component injection molding technology makes this possible possibly also the realization of a lightweight construction concept of the plastic component.
Die Druckmediumzufuhr erfolgt vorzugsweise an der geometrisch strukturierten Außenfläche des zweiten Kunststoffanteils in Bereichen potenzieller Sichtflächen-Einfallstellen des ersten Kunststoffanteils. Als Druckmedium kann insbesondere Gas zum Einsatz kommen. Da die geometrisch strukturierte Außenfläche des zweiten Kunststoffanteils keine Sichtfläche ist, kann eine flexible Ausgestaltung der Anbindungsstellen für die Druckmediumzufuhr erfolgen, ohne dass es zu unerwünschten Qualitätseinbußen an der Sichtfläche kommen muss.The Pressure medium supply is preferably carried out on the geometrically structured Outside surface of the second fraction of plastic in areas of potential visual sinks of the first plastic part. In particular, as a pressure medium Gas are used. Because the geometrically structured outer surface of the second plastic part is no visible surface, can be a flexible Design of the connection points for the pressure medium supply take place, without it being unwanted Loss of quality at the viewing area must come.
Ferner wird die Aufgabe erfüllt durch ein Kunststoffbauteil mit den Merkmalen des Anspruchs 6. Das erfindungsgemäße Kunststoffbauteil zeichnet sich dadurch aus, dass die Sichtfläche eine in Bezug auf die Genauigkeit ihrer Oberflächenkontur definierte Außenfläche ist. Ein derartiges Kunststoffbauteil kommt insbesondere bei Kraftfahrzeugen zum Einsatz, da es sowohl die erhöhten Steifigkeitsanforderungen im Rahmen eines Leichtbaukonzepts als auch die erhöhten Qualitätsanforderungen in Bezug auf die Formgenauigkeit der Sichtfläche erfüllt. Es ist somit als ein Fahrzeugkarosserie-Außenteil einsetzbar, das höchste Qualitäts- und Steifigkeitsanforderungen erfüllen kann.Furthermore, the object is fulfilled by a plastic component having the features of claim 6. The plastic component according to the invention is characterized in that the visible surface is an outer surface defined with respect to the accuracy of its surface contour. Such a plastic component is used in particular for motor vehicles because it satisfies both the increased stiffness requirements in the context of a lightweight construction concept as well as the increased quality requirements with regard to the dimensional accuracy of the visible surface. It is thus applicable as a vehicle body outer part, the highest quality and stiffness requirement fulfillment requirements.
Weitere Vorteile der Erfindung ergeben sich aus der Beschreibung.Further Advantages of the invention will become apparent from the description.
Die Erfindung wird anhand eines bevorzugten Ausführungsbeispiels unter Bezugnahme auf eine schematische Zeichnung näher erläutert.The Invention will be with reference to a preferred embodiment with reference explained in more detail on a schematic drawing.
Dabei zeigen:there demonstrate:
Bei
der Ausführungsvariante
gemäß
Beim
Gasinnendruck-Spritzgießverfahren erfolgt
die Gaseinspritzung entweder zusammen mit dem Kunststoff an derselben
Stelle oder auch getrennt von der Kunststoffmaterialzufuhr. Es wird
zunächst
eine bestimmte Menge Kunststoff in die Werkzeugform eingespritzt,
die allerdings zur vollständigen
Formfüllung
nicht ausreichend ist. Der verbleibende Freiraum in der Werkzeugform
wird durch das in das Innere der Kunststoffschmelze eingespritzte Gas
ausgefüllt.
Die Entstehung von Einfallstellen
Beim
Gasaußendruck-Spritzgießverfahren gemäß
Somit
eignet sich sowohl das Gasinnendruck-Spritzgießverfahren als auch das Gasaußendruck-Spritzgießverfahren
als auch eine Kombination der beiden Spritzgießverfahren zur Herstellung
eines Zweikomponenten-Kunststoffbauteils,
das an der Bauteilinnenseite
Da das Gasinnendruck-und das Gasaußendruck-Spritzgießverfahren an sich bekannt sind, wird auf eine diesbezüglich eingehendere Beschreibung hier verzichtet.There the gas internal pressure and the external gas pressure injection molding process are known per se, will be to a more detailed description here waived.
An
einem derartig hergestellten Kunststoffbauteil
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510038469 DE102005038469A1 (en) | 2005-08-13 | 2005-08-13 | Injection molding process for manufacturing motor vehicle component in two plastics involves internal and/or external gas pressure injection from rear side of second part to prevent sink marks on visible front face of first part |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510038469 DE102005038469A1 (en) | 2005-08-13 | 2005-08-13 | Injection molding process for manufacturing motor vehicle component in two plastics involves internal and/or external gas pressure injection from rear side of second part to prevent sink marks on visible front face of first part |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005038469A1 true DE102005038469A1 (en) | 2007-02-15 |
Family
ID=37681153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200510038469 Withdrawn DE102005038469A1 (en) | 2005-08-13 | 2005-08-13 | Injection molding process for manufacturing motor vehicle component in two plastics involves internal and/or external gas pressure injection from rear side of second part to prevent sink marks on visible front face of first part |
Country Status (1)
Country | Link |
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DE (1) | DE102005038469A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006038727A1 (en) * | 2006-08-11 | 2008-02-14 | WGB Werkzeug- und Gerätebau Klingenthal GmbH | Multi-component injection molding using turntable mold, includes workstation with sensor moving mold core to follow shrinkage of molded preform |
DE102014113071A1 (en) | 2014-09-10 | 2016-03-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Decorative cover for covering a structure of a motor vehicle |
WO2017051375A1 (en) * | 2015-09-25 | 2017-03-30 | Sabic Global Technologies B.V. | Method of injection molding using ribs and apparatus therefor |
DE102016213963A1 (en) * | 2016-07-28 | 2018-02-01 | Volkswagen Aktiengesellschaft | Method for producing a component assembly for a motor vehicle, component assembly for a motor vehicle and motor vehicle with the component composite |
GB2557968A (en) * | 2016-12-20 | 2018-07-04 | Jaguar Land Rover Ltd | Vehicle storage console and method for manufacturing the same |
DE102017213453A1 (en) * | 2017-08-03 | 2019-02-07 | Volkswagen Aktiengesellschaft | Method and device for producing a trim part of a motor vehicle, use of the device |
DE102018208702A1 (en) * | 2018-06-01 | 2019-12-05 | Volkswagen Aktiengesellschaft | Covering part, method and apparatus for producing a trim part |
DE102022213000A1 (en) | 2022-12-02 | 2024-06-13 | Volkswagen Aktiengesellschaft | Method for producing an instrument panel for a vehicle |
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JPH05131494A (en) * | 1991-02-19 | 1993-05-28 | Matsushita Electric Works Ltd | Injection-molding method for multi-layered molded item |
DE4334012C1 (en) * | 1993-10-06 | 1994-10-27 | Webasto Karosseriesysteme | Panel of a sliding roof or tilt-and-slide roof for vehicles |
JPH0740384A (en) * | 1993-07-30 | 1995-02-10 | Kyoraku Co Ltd | Manufacture of laminated hollow molded product |
DE19625062C1 (en) * | 1996-06-22 | 1998-02-05 | Battenfeld Gmbh | Moulding products in two or more injectable materials |
US20030211307A1 (en) * | 2001-02-23 | 2003-11-13 | Porter Marshall Ray | Low-density injection-molded body components |
-
2005
- 2005-08-13 DE DE200510038469 patent/DE102005038469A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05131494A (en) * | 1991-02-19 | 1993-05-28 | Matsushita Electric Works Ltd | Injection-molding method for multi-layered molded item |
JPH0740384A (en) * | 1993-07-30 | 1995-02-10 | Kyoraku Co Ltd | Manufacture of laminated hollow molded product |
DE4334012C1 (en) * | 1993-10-06 | 1994-10-27 | Webasto Karosseriesysteme | Panel of a sliding roof or tilt-and-slide roof for vehicles |
DE19625062C1 (en) * | 1996-06-22 | 1998-02-05 | Battenfeld Gmbh | Moulding products in two or more injectable materials |
US20030211307A1 (en) * | 2001-02-23 | 2003-11-13 | Porter Marshall Ray | Low-density injection-molded body components |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006038727B4 (en) * | 2006-08-11 | 2008-06-19 | Werkzeug- & Gerätebau Klingenthal GmbH | Mehrkomponentenspritzgieß turntable tool |
DE102006038727A1 (en) * | 2006-08-11 | 2008-02-14 | WGB Werkzeug- und Gerätebau Klingenthal GmbH | Multi-component injection molding using turntable mold, includes workstation with sensor moving mold core to follow shrinkage of molded preform |
DE102014113071A1 (en) | 2014-09-10 | 2016-03-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Decorative cover for covering a structure of a motor vehicle |
WO2017051375A1 (en) * | 2015-09-25 | 2017-03-30 | Sabic Global Technologies B.V. | Method of injection molding using ribs and apparatus therefor |
US11110635B2 (en) | 2015-09-25 | 2021-09-07 | Sabic Global Technologies B.V. | Method of injection molding using ribs and apparatus therefor |
US10596738B2 (en) | 2016-07-28 | 2020-03-24 | Volkswagen Aktiengesellschaft | Method for producing a component assembly for a motor vehicle, component assembly for a motor vehicle, and motor vehicle having the component assembly |
DE102016213963A1 (en) * | 2016-07-28 | 2018-02-01 | Volkswagen Aktiengesellschaft | Method for producing a component assembly for a motor vehicle, component assembly for a motor vehicle and motor vehicle with the component composite |
WO2018019493A1 (en) | 2016-07-28 | 2018-02-01 | Volkswagen Aktiengesellschaft | Method for producing a component assembly for a motor vehicle, component assembly for a motor vehicle, and motor vehicle having the component assembly |
US20190168430A1 (en) * | 2016-07-28 | 2019-06-06 | Volkswagen Aktiengesellschaft | Method for producing a component assembly for a motor vehicle, component assembly for a motor vehicle, and motor vehicle having the component assembly |
GB2557968A (en) * | 2016-12-20 | 2018-07-04 | Jaguar Land Rover Ltd | Vehicle storage console and method for manufacturing the same |
GB2557968B (en) * | 2016-12-20 | 2020-10-07 | Jaguar Land Rover Ltd | Vehicle storage console and method for manufacturing the same |
DE102017213453A1 (en) * | 2017-08-03 | 2019-02-07 | Volkswagen Aktiengesellschaft | Method and device for producing a trim part of a motor vehicle, use of the device |
US11485060B2 (en) | 2017-08-03 | 2022-11-01 | Volkswagen Aktiengesellschaft | Method for producing a trim part of a motor vehicle |
DE102018208702A1 (en) * | 2018-06-01 | 2019-12-05 | Volkswagen Aktiengesellschaft | Covering part, method and apparatus for producing a trim part |
DE102022213000A1 (en) | 2022-12-02 | 2024-06-13 | Volkswagen Aktiengesellschaft | Method for producing an instrument panel for a vehicle |
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8127 | New person/name/address of the applicant |
Owner name: DAIMLERCHRYSLER AG, 70327 STUTTGART, DE |
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8127 | New person/name/address of the applicant |
Owner name: DAIMLER AG, 70327 STUTTGART, DE |
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Effective date: 20111217 |