EP3732011A1 - Verfahren zur herstellung eines wenigstens zwei farbschichten aufweisenden bauteils für ein kraftfahrzeug - Google Patents
Verfahren zur herstellung eines wenigstens zwei farbschichten aufweisenden bauteils für ein kraftfahrzeugInfo
- Publication number
- EP3732011A1 EP3732011A1 EP18830447.1A EP18830447A EP3732011A1 EP 3732011 A1 EP3732011 A1 EP 3732011A1 EP 18830447 A EP18830447 A EP 18830447A EP 3732011 A1 EP3732011 A1 EP 3732011A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support structure
- color layer
- component
- carrier structure
- region
- 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- Withdrawn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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000003973 paint Substances 0.000 title abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 39
- 238000000576 coating method Methods 0.000 claims abstract description 24
- 238000001746 injection moulding Methods 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 230000000873 masking effect Effects 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 239000002861 polymer material Substances 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 229920000642 polymer Polymers 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 12
- 238000007592 spray painting technique Methods 0.000 claims description 7
- 239000011324 bead Substances 0.000 claims description 5
- 238000010422 painting Methods 0.000 claims description 5
- 239000004922 lacquer Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000005229 chemical vapour deposition Methods 0.000 claims description 2
- 238000003618 dip coating Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000151 deposition Methods 0.000 claims 1
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 229920000331 Polyhydroxybutyrate Polymers 0.000 description 1
- 229920001222 biopolymer Polymers 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000005014 poly(hydroxyalkanoate) Substances 0.000 description 1
- 239000005015 poly(hydroxybutyrate) Substances 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000903 polyhydroxyalkanoate Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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
- B29C45/1671—Making multilayered or multicoloured articles with an 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
-
- 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
- B29C45/14754—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 being in movable or releasable engagement with the coating, e.g. bearing assemblies
- B29C2045/1477—Removable inserts, e.g. the insert being peeled off after moulding
-
- 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
- B29C45/14836—Preventing damage of inserts during injection, e.g. collapse of hollow inserts, breakage
- B29C2045/14844—Layers protecting the insert from injected material
-
- 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
- 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
- B29K2995/0029—Translucent
-
- 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
Definitions
- the present invention relates to a method for producing a component having at least two color layers for a motor vehicle, wherein the
- Color layers on a thin-walled, the geometry of the component at least partially defining support structure are applied, wherein the support structure consists of a transparent or translucent polymer material, wherein the support structure has a visible in the intended use outside and the outside opposite the back, wherein the at least two color layers be applied to the back of the support structure and as a result visible through the support structure on the outside at least partially visible or recognizable, wherein the support structure has a first region or first areas in which recognizable on the outside only a first color layer or only parts of a first color layer are, and wherein the support structure further comprises a second region or second regions in which on the outside only the at least one further color layer or only parts of the at least one white Teren color layer are recognizable.
- Umformungs- or deformation process a precise, and in particular
- a complex structure eg a color grid or parallel lines
- a masking template is therefore deposited on the carrier structure for application of the first color layer and then with a
- Coating method (e.g., by spray painting) applies this first color coat.
- this process step is time consuming, inaccurate in positioning and sometimes prevents partial co-coating (so-called.
- the invention therefore has the object of a method with the above
- the support structure consists of a transparent or translucent polymer material, wherein the support structure has an outer side visible in the intended use and a rear side opposite the outer side, wherein the at least two color layers are applied to the rear side of the support structure and due to the
- Carrier structure on the outside at least partially visible or recognizable wherein the support structure has a first region or first regions in which on the outside only a first color layer or only parts of a first color layer can be seen, and wherein the support structure further comprises a second region or second areas has in which on the outside only the at least one further color layer or only parts of the at least one further color layer are identifiable, the method having the following sequence of steps:
- the use of an injection molding process for the coating and simultaneous masking of the first region makes it possible, in comparison with prior art processes, to apply a very precise masking with a high spatial resolution also on an already three-dimensionally preformed support structure.
- the back of the support structure of the component is also called "second-surface" or B-side.
- the support structure preferably has a three-dimensionally formed geometry with at least one space curvature, particularly preferably with at least two space curvatures.
- the application of the at least one further color layer to the second region or to the second regions on the rear side of the carrier structure can be effected by means of a coating process which differs from the injection molding process. Due to the fact that the first color layer applied by means of the injection molding process already forms the masking on the carrier structure, a coating method can be selected for the at least one further color layer, which is larger in comparison to the injection molding method
- Area performance ie painted area per time
- Area performance has. By combining the very precise injection molding process with a coating process with larger area performance, a process with high accuracy and high speed can be realized.
- the deviating coating method may include a spray painting method or a spray painting method or a paint coating or a dip painting or a roller painting or a plating method, in particular a PVD method or a CVD method, or a plating method.
- the curing and / or solidification of the first color layer can be accelerated at least partially by active cooling.
- the first color layer preferably has a layer thickness in the range of 0.1 mm to 5 mm.
- the first color layer may comprise at least one functional element projecting from the first color layer, which is formed integrally with the first color layer and together with the first color layer.
- the functional element becomes Consequently, at the same time produced together with the first ink layer by injection molding in the same injection molding tool.
- the at least one functional element can in particular be a connecting element for connecting the component to a further component.
- Connecting element can be an example of a part of a latching connection
- the functional element can also be a ribbing that stiffens the component.
- the second region or regions may or may be predetermined by local surface irregularity or by local surface irregularities on the outside and / or on the backside of the support structure.
- This surface irregularity or these surface irregularities can then additionally be visually emphasized by means of the at least one further color layer.
- the at least one further color layer exactly on the surface irregularity or surface irregularities
- the local surface irregularity may be formed by a depression or a bead or a groove or a lettering sunk in the material of the support structure or a satin finish or a raised pattern and / or a sunk in the material of the support structure pattern, or the local Surface irregularities may be due to beading and / or grooves and / or in the material of the support structure sunken lettering and / or satin and / or grain and / or raised pattern and / or in the material of
- Carrier structure submerged pattern be formed.
- manufacture or provision of the support structure can be carried out by means of a generative process (for example 3D printing) or by injection molding or by means of an injection molding process
- Thermoforming done In the case of production by injection molding, the production can be carried out in the same injection molding tool used to apply the first color coat. In this case one speaks of one
- the first color layer and / or the at least one further color layer may be built up or built up by a multiplicity of individual layers. That is, the first color layer and / or the at least one further color layer can in particular be composed of at least two or more individual layers.
- the at least one further color layer can be formed by a metal coating, in particular by a chromium coating. Consequently, the at least one further color layer does not necessarily mean a lacquer layer, but may also be a coating by a metal.
- a transparent or translucent protective lacquer layer can be applied.
- the component may be an exterior component of a motor vehicle, in particular a bumper cover or a radiator grille trim or a
- the component may be a component of an exterior component of a motor vehicle, in particular a component of a bumper cover or grille trim or fender trim or A-, B-, C- or D-pillar trim or spoiler skin or sill trim or door outer trim or door trim outer trim form.
- the transparent or translucent polymer material of the support structure may in particular comprise polycarbonate, polymethylmethacrylate, polystyrene (for example PS, ABS, ASA), thermoplastic polyester (for example PET, PBT) or a biopolymer (for example cellulose acetate, polyhydroxybutyrate, polylactic acid, polyhydroxyalkanoate).
- polycarbonate polymethylmethacrylate
- polystyrene for example PS, ABS, ASA
- thermoplastic polyester for example PET, PBT
- a biopolymer for example cellulose acetate, polyhydroxybutyrate, polylactic acid, polyhydroxyalkanoate
- Fig. 1 cross-sectional view of the support structure after the application of the first color layer and the at least one further color layer.
- FIG. 1 shows a component comprising at least two color layers 1, 2 for a motor vehicle, the color layers 1, 2 being applied to a thin-walled carrier structure 3 which at least partially defines the geometry of the component.
- the support structure 3 consists of a transparent or translucent polymer material, wherein the support structure 3 has an outer side A visible in the intended use and a back side B opposite the outer side A.
- the at least two color layers 1, 2 are applied to the rear side B of the carrier structure 3 and, as a result of the carrier structure 3, are at least partially visible or recognizable on the outer side A.
- the support structure has a first region 6 or first regions 6, in which only a first color layer 1 or only parts of a first color layer 1 can be seen on the outside A.
- the support structure 3 furthermore has a second region 8 or second regions 8, on which on the outside A only the at least one further color layer 2 or only parts of the at least one further color layer 2 can be seen.
- the claimed method for producing a component having at least two color layers 1, 2 for a motor vehicle has the following sequence of steps:
- the application of the at least one further color layer 2 to the second region 8 or to the second regions 8 the back B of the support structure 3 is effected by means of a different from the injection molding process coating method.
- the differing coating method comprises a spray painting process or a spray painting process or a paint coating or a dip coating or a roller painting or a plating process, in particular a PVD process or a CVD process, or a galvanic deposition process.
- the carrier structure 3 already has a three-dimensionally formed geometry with at least one space curvature before the application of the first color layer 1.
- the first color layer 1 has at least one functional element 7 protruding from the first color layer 1 in the form of a latching hook, which is formed integrally with the first color layer 1 and together with the first color layer 1.
- the at least one functional element 7 is in this case therefore a connecting element for connecting the component to a further component.
- the second region 8 or the second regions 8 is or are predetermined by a local surface irregularity 12 or by local surface irregularities 12 on the outside A and / or on the back B of the carrier structure 3.
- the local surface irregularity 12 may be formed by a depression or bead or groove or lettering buried in the material of the support structure, or a satin or grainy or raised pattern and / or pattern buried in the material of the support structure, or the local surface irregularities 12 may be formed by beads and / or grooves and / or embedded in the material of the support structure lettering and / or and / or satin and / or grain and / or raised pattern and / or buried in the material of the support structure pattern.
- a transparent or translucent protective lacquer layer 13 is applied.
- the at least one further color layer 2 is formed by a metal coating, in particular by a chromium coating.
- the component may be an exterior component of a motor vehicle, in particular a bumper cover or a radiator grille trim or a Be fender fairing or an A-, B-, C-, or D-pillar trim or spoiler skin or sill panel or door outer panel or door panel outer panel, or form part of the aforementioned components.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017012070.6A DE102017012070B4 (de) | 2017-12-29 | 2017-12-29 | Verfahren zur Herstellung eines wenigstens zwei Farbschichten aufweisenden Bauteils für ein Kraftfahrzeug |
| PCT/EP2018/085426 WO2019129536A1 (de) | 2017-12-29 | 2018-12-18 | Verfahren zur herstellung eines wenigstens zwei farbschichten aufweisenden bauteils für ein kraftfahrzeug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3732011A1 true EP3732011A1 (de) | 2020-11-04 |
Family
ID=65003356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18830447.1A Withdrawn EP3732011A1 (de) | 2017-12-29 | 2018-12-18 | Verfahren zur herstellung eines wenigstens zwei farbschichten aufweisenden bauteils für ein kraftfahrzeug |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3732011A1 (de) |
| DE (1) | DE102017012070B4 (de) |
| WO (1) | WO2019129536A1 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6117384A (en) * | 1997-11-06 | 2000-09-12 | General Electric Co. | In-mold decorating process |
| JP4642071B2 (ja) * | 2005-03-10 | 2011-03-02 | 日本写真印刷株式会社 | 電子機器用筐体の製造方法 |
| US20100284132A1 (en) * | 2009-05-08 | 2010-11-11 | Taiwan Green Point Enterprises Co., Ltd. | Touch panel module and method of making the same |
| JP5212562B2 (ja) * | 2011-06-20 | 2013-06-19 | ソニー株式会社 | 成形品及びインモールド転写箔 |
| US9144938B2 (en) * | 2012-08-06 | 2015-09-29 | Apple Inc. | Methods for attaching structures using ultraviolet and visible light curing adhesive |
| CN105881950B (zh) | 2016-03-30 | 2018-08-10 | 联想(北京)有限公司 | 具有图案的壳体及其制造方法、装置和图案的形成方法 |
-
2017
- 2017-12-29 DE DE102017012070.6A patent/DE102017012070B4/de active Active
-
2018
- 2018-12-18 EP EP18830447.1A patent/EP3732011A1/de not_active Withdrawn
- 2018-12-18 WO PCT/EP2018/085426 patent/WO2019129536A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019129536A1 (de) | 2019-07-04 |
| DE102017012070A1 (de) | 2019-07-04 |
| DE102017012070B4 (de) | 2020-04-30 |
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