EP2036741A2 - Preparing a roller assembly for producing finishes on a wooden material surface - Google Patents
Preparing a roller assembly for producing finishes on a wooden material surface Download PDFInfo
- Publication number
- EP2036741A2 EP2036741A2 EP08016193A EP08016193A EP2036741A2 EP 2036741 A2 EP2036741 A2 EP 2036741A2 EP 08016193 A EP08016193 A EP 08016193A EP 08016193 A EP08016193 A EP 08016193A EP 2036741 A2 EP2036741 A2 EP 2036741A2
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- EP
- European Patent Office
- Prior art keywords
- roller
- structured
- color
- rollers
- embossing
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
- B44C5/043—Ornamental plaques, e.g. decorative panels, decorative veneers containing wooden elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/24—Inking and printing with a printer's forme combined with embossing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/38—Printing on other surfaces than ordinary paper on wooden surfaces, leather, or linoleum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/24—Pressing or stamping ornamental designs on surfaces
Definitions
- the invention relates to a method for providing a roller assembly for producing decors on a wood-based material surface.
- Wood-based material surfaces which are for example processed into panels, are usually surface-coated. In addition to objectives such as resistance to wear and moisture protection, it is desirable to achieve a certain, attractive look. As typical wood materials chipboard, high and medium density fiberboard, plywood and OSB boards are used, but for the purposes of this invention also solid wood and solid wood panels are counted among the wood materials.
- a typical structure of such a coating comprises firstly a primer, thereon a colored decorative layer on which in turn one or more final lacquer layers are located.
- the paint layers close off the surface coating. While the color impression is determined by the decorative layer and possibly by the primer, surface properties such as roughness and reflection behavior are determined by the final lacquer layers. Furthermore, the different paint layers may have different opacity.
- the pore pattern suggested by the upper layers of lacquer must match the underlying color scheme.
- the roller (s) used for a color decoration referred to below as color decorating rollers
- a structured lacquer applicator roll which is thus matched to the color decor produced by the color decorating rollers, that together they create a three-dimensional decor.
- This problem is solved according to the invention by a method for providing a roller arrangement for producing decoration on a wood-based material surface according to claim 1 and by a set of rollers according to claim 12.
- the method is characterized in that at least two different color decorative rollers are tuned to produce two different decors with a structured paint application roller. To this end, it is first determined which color designs allow comparable surface designs, e.g. which types of wood have a similar pore structure. Subsequently, the exact structure of the structured lacquer application roller is determined, to which then the exact appearance of the different color designs are tuned.
- At least one priming roller is provided in addition to the color-decorating rollers and the structured varnish application roller, with which a primer can be applied before the application of a decoration. This is often necessary or at least advantageous, since many dyes can not be applied or only with poor results on a non-primed wood material surface.
- two or more color decor rollers are provided for the production of the decor.
- the varnishes used to form the surface in the different areas of a decoration to be produced undesirably affect one another when applied successively on one and the same surface.
- two or more structured varnish application rollers are preferably provided in the present method for producing a decoration. Each of these rolls is selectively used to form certain sections of the wood-based material surface.
- a non-structured paint application roller is additionally provided, which acts on the entire wood-based material surface.
- non-structured paint application roller can be provided.
- a commercial, colored primer is matched to the color of the later to be applied oak decoration.
- the order quantity is approx. 14 g / m 2 . This primer fills out bumps, smoothes fibers and improves the water-repellent properties of the hardboard.
- the primer to produce the Eichendekors by means of a first color decorating roller a color in a first shade of brown in a color layer thickness of 15 g / m 3 and a second color decorating roller a color in a second shade of brown in a color layer thickness of 17 g / m 3 applied.
- the color decor rollers are structured to ensure a selective application of color.
- the applied colors reproduce the color structure of the oak surface.
- a first and a second layer of clear coat is applied to the decor by means of two non-structured rollers.
- Each 30 g / m 2 of a varnish which cures under UV light are applied first, then the curing is initiated under the action of UV light, but not completed.
- the second lacquer layer is then applied to the partially cured first lacquer layer. This lacquer layer is exposed to UV light, but not completely cured. Corundum is added to the two paint layers.
- UV-curing topcoat with 12 g / m 2 is applied to these first two layers of lacquer.
- the paint rollers are replaced for paint application while the roller is applied to apply the primer. Only the color of the primer must be replaced if necessary. Also, the non-structured paint application roller for the application of the clearcoat films as well as the structured paint application roller for the application of the matt paint can be adopted. The latter is possible because the applied by the new color decorating rollers color pattern for ash according to the invention is tuned to the pore structure of the roller for the matt lacquer. Since dismantling and assembly of the structured varnish applicator roll is eliminated, the changeover process from one decor to another takes less time and thus production must be stopped for less. This leads to considerable cost savings, especially with frequent changes.
- a fifth image file is created with color samples that simulate soiling, sanding marks or scratches. These damage patterns are designed to overlay the three individual color designs, i. The shape and position of the dirt, grinding marks and scratches are the same for all three types of wood.
- two structured color decor rollers per wood type are produced using the first three image files by means of computer-controlled production.
- a computer-controlled first structured lacquer application roller is produced.
- a second structured lacquer application roller and a structured embossing roller are produced, which is raised in the areas, the wells by scratches u. ⁇ . correspond.
- priming and applying the paint are the same as in the first embodiment. The same applies to the application of two clearcoat films and one coat of topcoat.
- a UV-curable colorless matt lacquer is again applied in sections on the top lacquer, wherein the structuring of the roller at least partially coincides with the predetermined by the decor pore structure.
- a colored matt lacquer is applied with the second structured lacquer application roller, by means of which the structure of damage to the surface is on the one hand imitated in color, on the other hand by a different reflection behavior.
- the lacquer layers are cured in their entirety by means of UV light.
- the surface is impressed by means of the embossing roller, which acts with a pressure of 10 bar on the wood material surface, depressions that correspond to scratches grinding marks.
- the embossing roller acts with a pressure of 10 bar on the wood material surface, depressions that correspond to scratches grinding marks.
- the color decorative rollers are replaced for inking, while the roller for the application of the primer, the non-structured paint application roller for applying the clearcoat films and the first structured paint application roller for the application of the colorless matte varnish become.
- the second non-structured enamel applicator roller for applying the colored matt lacquer and the structured embossing roller can also be adopted since, according to the invention, the traces of wear in the ash decor have the same position and shape as in the oak decor. Since the dismantling and assembly of the structured lacquer application rollers and the structured embossing roller is eliminated, here too the conversion process from one decor to another takes less time.
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Bereitstellung einer Walzenanordnung zum Erzeugen von Dekoren auf einer Holzwerkstoffoberfläche.The invention relates to a method for providing a roller assembly for producing decors on a wood-based material surface.
Holzwerkstoffoberflächen, die beispielsweise zu Paneelen verarbeitet werden, sind in der Regel oberflächenbeschichtet. Neben Zielsetzungen wie Resistenz gegen Verschleiß sowie Schutz vor Feuchtigkeit ist hierbei das Erreichen einer bestimmten, attraktiven Optik erwünscht. Als typische Holzwerkstoffe werden Spanplatten, hoch- und mitteldichte Faserplatten, Sperrholz- und OSB-Platten eingesetzt, im Sinne dieser Erfindung werden aber auch Massivholz und Massivholzplatten zu den Holzwerkstoffen gezählt.Wood-based material surfaces, which are for example processed into panels, are usually surface-coated. In addition to objectives such as resistance to wear and moisture protection, it is desirable to achieve a certain, attractive look. As typical wood materials chipboard, high and medium density fiberboard, plywood and OSB boards are used, but for the purposes of this invention also solid wood and solid wood panels are counted among the wood materials.
Aus dem Stand der Technik sind neben Beschichtungsverfahren, bei denen Kunstharze mit dem Holzwerkstoff verpresst werden, auch solche bekannt, bei denen wenigstens eine, in der Regel jedoch mehrere Farb- oder Lackschichten, flüssig aufgebracht werden, die anschließend getrocknet oder gehärtet werden. Ein solches Beschichtungsverfahren ist vergleichsweise preiswert und einfach. Zum Auftragen der einzelnen Schichten verwendet man bevorzugt Walzen, die auf der Holzwerkstoffoberfläche abrollen und dabei zuvor aufgenommene flüssige Farbe oder Lack abgeben (indirekter Tiefdruck).In addition to coating processes in which synthetic resins are pressed with the wood-based material, the prior art also discloses those in which at least one, but as a rule a plurality of paint or varnish layers, are applied in a liquid, which are then dried or cured. Such a coating process is comparatively inexpensive and simple. To apply the individual layers, preference is given to using rollers which roll on the wood-based material surface and deliver previously absorbed liquid paint or paint (indirect gravure printing).
Ein typischer Aufbau einer solchen Beschichtung umfasst als erstes eine Grundierung, darauf eine farbige Dekorschicht, auf der sich wiederum eine oder mehrere abschließende Lackschichten befinden. Die Lackschichten schließen die Oberflächenbeschichtung ab. Während der Farbeindruck durch die Dekorschicht und ggf. durch die Grundierung vorgegeben wird, werden Oberflächeneigenschaften wie Rauhigkeit und Reflexionsverhalten von den abschließenden Lackschichten bestimmt. Des Weiteren können die verschiedenen Lackschichten unterschiedliche Opazität besitzen.A typical structure of such a coating comprises firstly a primer, thereon a colored decorative layer on which in turn one or more final lacquer layers are located. The paint layers close off the surface coating. While the color impression is determined by the decorative layer and possibly by the primer, surface properties such as roughness and reflection behavior are determined by the final lacquer layers. Furthermore, the different paint layers may have different opacity.
Mitunter kann es erwünscht sein, die Oberfläche dreidimensional zu strukturieren, sei es durch optische Wirkung, sei es durch eine dreidimensionale Formung der Oberfläche. Bei einem flüssigen Farb- oder Lackauftrag ohne anschließenden Pressvorgang ist eine echte dreidimensionale Gestaltung der Oberfläche schwierig, aber man kann eine optische Strukturierung vornehmen, indem man z.B. in verschiedenen Bereichen Lackschichten mit unterschiedlichen Eigenschaften, insbesondere mit unterschiedlichem Glanzgrad, aufträgt. Hierdurch ist es möglich, einer Oberfläche, die keine Unebenheiten aufweist, dennoch ein dreidimensionales Aussehen zu geben.Sometimes it may be desirable to structure the surface in three dimensions, either by optical effect, or by a three-dimensional shaping of the surface. In a liquid paint or varnish application without subsequent pressing, a true three-dimensional design of the surface is difficult, but one can make an optical structuring by e.g. in different areas coating layers with different properties, in particular with different gloss, applies. This makes it possible to give a surface that has no bumps, yet a three-dimensional appearance.
Insbesondere bei Holzimitaten ist oftmals erwünscht, die Porenstruktur des imitierten Holzes nicht nur farblich nachzuahmen, sondern dadurch realistischer zu gestalten, dass man z.B. für eine annähernd dreidimensionale Wahrnehmung Mattlack zur Betonung der Poren und Glanzlack für die Umgebung verwendet. Hierfür ist es jedoch notwendig, jede der beiden Lackarten mit einer eigenen Walze aufzutragen. Wenigstens eine dieser Walzen muss eine Oberflächenstruktur aufweisen, so dass sie nur mit Teilen ihrer Oberfläche Lack auf die Holzwerkstoffoberfläche aufträgt. Eine Walze mit einer Oberfläche, die z.B. zur Herstellung optischer Poren, Lack nur abschnittsweise aufträgt, wird im Folgenden als strukturierte Lackauftragswalze bezeichnet.In particular, in the case of wood imitations, it is often desirable not only to imitate the pore structure of the imitated wood in color, but also to make it more realistic by e.g. used for an approximately three-dimensional perception of matt varnish to emphasize the pores and gloss varnish for the environment. For this, however, it is necessary to apply each of the two types of paint with its own roller. At least one of these rollers must have a surface structure so that it applies paint to the wood-based material surface only with parts of its surface. A roller having a surface, e.g. for the production of optical pores, applying paint only in sections, is referred to below as a structured paint applicator roll.
Für einen realistischen, konsistenten optischen Eindruck muß das Porenmuster, das durch die oberen Lackschichten suggeriert wird, auf das darunterliegende farbige Dekor abgestimmt sein. Hierfür ist es nach dem Stand der Technik nötig, zu der oder den Walzen, die für ein Farbdekor verwendet werden, im Folgenden Farb-Dekorwalzen genannt, jeweils eine strukturierte Lackauftragswalze bereitzustellen, die so auf das von den Farb-Dekorwalzen erzeugte Farbdekor abgestimmt ist, dass sie gemeinsam ein dreidimensional wirkendes Dekor erzeugen. Hieraus ergibt sich das Problem, dass der Entwurf und insbesondere die präzise Produktion einer strukturierten Platte mit Zeit- und Kostenaufwand verbunden sind, die bei jedem neuen Dekor auftreten. Das Bereitstellen solcher Walzenanordnungen aus Farb-Dekorwalzen und strukturierten Lackauftragswalzen für jeweils nur ein Dekor ist sehr aufwändig.For a realistic, consistent visual impression, the pore pattern suggested by the upper layers of lacquer must match the underlying color scheme. For this purpose, it is necessary according to the state of the art to provide the roller (s) used for a color decoration, referred to below as color decorating rollers, in each case to provide a structured lacquer applicator roll, which is thus matched to the color decor produced by the color decorating rollers, that together they create a three-dimensional decor. This results in the problem that the design, and in particular the precise production of a structured plate, involves a great deal of time and expense, which occur with every new décor. The provision of such roller arrangements of color decor rollers and structured lacquer applicator rollers for only one decor is very complicated.
Es besteht also die Aufgabe, ein vereinfachtes Verfahren zum Bereitstellen einer Walzenanordnung zum Erzeugen von Dekor vorzuschlagen.It is therefore the object to propose a simplified method for providing a roller assembly for generating decor.
Dieses Problem wird erfindungsgemäß gelöst durch ein Verfahren zur Bereitstellung einer Walzenanordnung zum Erzeugen von Dekor auf einer Holzwerkstoffoberfläche gemäß Anspruch 1 sowie durch einen Satz von Walzen nach Anspruch 12.This problem is solved according to the invention by a method for providing a roller arrangement for producing decoration on a wood-based material surface according to claim 1 and by a set of rollers according to claim 12.
Das Verfahren ist dadurch gekennzeichnet, dass mindestens zwei unterschiedliche Farb-Dekorwalzen zur Erzeugung von zwei unterschiedlichen Dekoren mit einer strukturierten Lackauftragswalze abgestimmt werden. Hierzu wird zunächst festgestellt, welche Farbdekore vergleichbare Oberflächengestaltungen erlauben, z.B. welche Holzarten eine ähnliche Porenstruktur aufweisen. Anschließend wird die exakte Struktur der strukturierten Lackauftragswalze festgelegt, auf die dann das exakte Aussehen der verschiedenen Farbdekore abgestimmt werden.The method is characterized in that at least two different color decorative rollers are tuned to produce two different decors with a structured paint application roller. To this end, it is first determined which color designs allow comparable surface designs, e.g. which types of wood have a similar pore structure. Subsequently, the exact structure of the structured lacquer application roller is determined, to which then the exact appearance of the different color designs are tuned.
Auf diese Weise fällt der Aufwand für Entwicklung und Produktion der strukturierten Lackauftragswalze für eine Gruppe von Dekoren nur einmal an. Es wird also Geld und darüber hinaus Zeit gespart, und zwar in stärkerem Maße, je mehr Farbdekore mit einer strukturierten Lackauftragswalze korrespondieren.In this way, the cost of development and production of the structured enamel coating roll for a group of decors is incurred only once. It saves money and beyond time, and to a greater extent, the more color decors correspond with a structured paint application roller.
Außerdem wird auch bei der Produktion Zeit gespart, da die strukturierte Lackauftragswalze bei einer Umstellung auf ein anderes Dekor nicht ausgewechselt werden muss. Dies ist insbesondere dann ein immenser Vorteil, wenn es gelingt, diejenigen Dekortypen, die vornehmlich nachgefragt werden, in der geschilderten Weise auf ein und dieselbe Struktur einer einzigen Lackauftragswalze abzustimmen.In addition, time is saved in the production, since the structured paint application roller does not have to be replaced when switching to a different decor. This is an immense advantage, in particular, if it is possible to match those types of decor which are primarily in demand in the described manner to one and the same structure of a single coating application roller.
In einer bevorzugten Ausgestaltung des Verfahrens wird zusätzlich zu den Farb-Dekorwalzen und der strukturierten Lackauftragswalze wenigstens eine Grundierwalze bereitgestellt, mit der vor dem Auftrag eines Dekors eine Grundierung aufgetragen werden kann. Dies ist oft nötig oder zumindest vorteilhaft, da sich viele Farbstoffe nicht oder nur mit schlechten Ergebnissen auf eine ungrundierte Holzwerkstoffoberfläche auftragen lassen.In a preferred embodiment of the method, at least one priming roller is provided in addition to the color-decorating rollers and the structured varnish application roller, with which a primer can be applied before the application of a decoration. This is often necessary or at least advantageous, since many dyes can not be applied or only with poor results on a non-primed wood material surface.
Für mehrfarbige Dekore reicht die Verwendung einer einzelnen Farb-Dekorwalze nicht aus, sondern man verwendet für jede aufzutragende Farbe eine eigene Farb-Dekorwalze.For multi-colored decors, the use of a single color decorating roller is not enough, but one uses for each color to be applied its own color decorating roller.
Daher werden in einer Weiterbildung des Verfahrens zwei oder mehr Farb-Dekorwalzen zur Erzeugung des Dekors bereitgestellt.Therefore, in a development of the method, two or more color decor rollers are provided for the production of the decor.
In vielen Fällen beeinflussen sich die Lacke, die zur Gestaltung der Oberfläche in den unterschiedlichen Bereichen eines zu erzeugenden Dekors eingesetzt werden, gegenseitig in unerwünschter Weise, wenn sie nacheinander auf ein und derselben Fläche aufgetragen werden. Darum - oder um durch unterschiedlichen Lackauftrag die gewünschte 3D-Wirkung noch stärker zu betonen - werden bei dem vorliegenden Verfahren bevorzugt zwei oder mehr strukturierte Lackauftragswalzen zur Erzeugung eines Dekors bereitgestellt. Jede dieser Walzen wird selektiv zur Gestaltung bestimmter Abschnitte der Holzwerkstoffoberfläche verwendet.In many cases, the varnishes used to form the surface in the different areas of a decoration to be produced, undesirably affect one another when applied successively on one and the same surface. For this reason, or in order to emphasize the desired 3D effect even more strongly by applying different amounts of varnish, two or more structured varnish application rollers are preferably provided in the present method for producing a decoration. Each of these rolls is selectively used to form certain sections of the wood-based material surface.
Durch den Einsatz sowohl strukturierter als auch nicht-strukturierter Lackauftragswalzen ergeben sich verschiedene Gestaltungsmöglichkeiten. Es kann beispielsweise nach dem Auftrag einer Grundierung und eines Dekors zunächst flächendeckend ein Klarlack und anschließend in bestimmten Teilen der Oberfläche ein Mattlack, eine Lasur oder ein eingefärbter Lack auf dem Klarlack aufgetragen werden. Hierdurch können bestimmte Strukturen des Farbdekors hervorgehoben werden und erhalten ein realistischeres bzw. interessanteres Aussehen. Für solche Fälle wird nach einer weiteren bevorzugten Ausführung des Verfahrens zusätzlich eine nicht-strukturierte Lackauftragswalze bereitgestellt, die auf die gesamte Holzwerkstoffoberfläche einwirkt.The use of both structured and non-structured varnish rollers results in various design options. For example, after the application of a primer and a decoration, it is possible first of all to apply a clear coat to a surface covering and then to apply a matt lacquer, a glaze or a dyed lacquer to the clear lacquer in certain parts of the surface. As a result, certain structures of the color decoration can be highlighted and get a more realistic or interesting appearance. For such cases, according to a further preferred embodiment of the method, a non-structured paint application roller is additionally provided, which acts on the entire wood-based material surface.
Es ist auch denkbar, nach dem Aufbringen der strukturierten Lackschichten noch eine oder mehrere nicht-strukturierte Lackschichten aufzubringen. Auch hierfür kann eine nicht-strukturierte Lackauftragswalze bereitgestellt werden.It is also conceivable, after the application of the structured lacquer layers, to apply one or more non-structured lacquer layers. For this purpose, a non-structured paint application roller can be provided.
Neben der Möglichkeit, nur das Aussehen der Oberfläche zu verändern, ist es auch möglich, eine bestimmte, echt-dreidimensionale Struktur in die Oberfläche einzuprägen, die somit nicht nur sichtbar, sondern ggf. auch fühlbar ist, wodurch z.B. die Nachbildung einer Holzoberfläche noch realistischer wird. Hierzu werden in einer Weiterentwicklung des Verfahrens an der Oberfläche einer strukturierten Prägewalze Strukturen erzeugt, mittels derer sich eine lackierte oder unlackierte Holzwerkstoffoberfläche plastisch verformen lässt.In addition to the possibility to change only the appearance of the surface, it is also possible to impress a certain, true three-dimensional structure in the surface, which is thus not only visible, but possibly even palpable, whereby, for example, the reproduction of a wooden surface even more realistic becomes. For this purpose, in a further development of the method, structures are produced on the surface of a structured embossing roll by means of which a lacquered or unpainted wood material surface can be plastically deformed.
Details der Erfindung werden nachstehend anhand von Ausführungsbeispielen näher erläutert.Details of the invention are explained below with reference to exemplary embodiments.
Es sollen zur Imitation der drei Holzarten Eiche, Esche und Ulme Walzen zur Gestaltung der Oberflächen von Hartfaserplatten bereitgestellt werden. Hierzu werden mittels einer Bildbearbeitungssoftware am Computer drei Nachbildungen von Holzoberflächen entworfen, wobei - ggf. schrittweise - die Porenstrukturen der drei Nachbildungen aufeinander abgestimmt werden. Dies bedeutet nicht zwangsläufig, das die Form und die Positionen sämtlicher Poren in allen drei Nachbildungen übereinstimmt, jedoch stimmen die Positionen wenigstens teilweise überein.It will be provided for the imitation of the three types of wood oak, ash and elm rolls for the design of the surfaces of hardboard. For this purpose, three reproductions of wood surfaces are designed by means of an image processing software on the computer, wherein - possibly step by step - the pore structures of the three replicas are coordinated. This does not necessarily mean that the shape and positions of all pores in all three replicas are the same, but the positions are at least partially coincident.
Während anhand der drei so erstellten Bilddateien mittels computergesteuerter Fertigung jeweils zwei strukturierte Farb-Dekorwalzen pro Holzart (Eiche, Esche, Ulme) hergestellt werden, die zum Auftragen der Farben dienen, wird anhand der drei Bilddateien eine vierte Bilddatei erstellt, die die Struktur der Poren abbildet, die allen drei Imitationen gemeinsam sind. Auf Basis dieser vierten Bilddatei wird wiederum computergesteuert eine einzige strukturierte Lackauftragswalze hergestellt.While two structured color decor rollers per wood species (oak, ash, elm), which are used to apply the colors, are produced from the three image files thus created by computer-controlled production, a fourth image file is created based on the three image files, the structure of the pores which are common to all three imitations. On the basis of this fourth image file, in turn, a single structured lacquer application roller is produced computer-controlled.
Zur Erstellung der Eiche imitierenden Oberfläche wird auf die Hartfaserplatte zunächst mittels einer Walze eine handelsübliche, farbige Grundierung aufgewalzt. Die Farbe der Grundierung ist auf die Farbe des später aufzutragenden Eichendekors abgestimmt. Die Auftragsmenge beträgt ca. 14 g/m2. Diese Grundierung füllt Unebenheiten aus, glättet Fasern und verbessert die Wasser abweisenden Eigenschaften der Hartfaserplatte.To create the oak imitating surface is rolled on the hardboard first by means of a roller a commercial, colored primer. The color of the primer is matched to the color of the later to be applied oak decoration. The order quantity is approx. 14 g / m 2 . This primer fills out bumps, smoothes fibers and improves the water-repellent properties of the hardboard.
Auf die Grundierung werden zur Erzeugung des Eichendekors mittels einer ersten Farb-Dekorwalze eine Farbe in einem ersten Braunton in einer Farbschichtdicke von 15 g/m3 und mit einer zweiten Farb-Dekorwalze eine Farbe in einem zweiten Braunton in einer Farbschichtdicke von 17 g/m3 aufgetragen. Die Farb-Dekorwalzen sind strukturiert, um einen selektiven Farbauftrag zu gewährleisten. Im Zusammenspiel mit der Grundierung bilden die aufgetragenen Farben die farbliche Struktur der Eichenoberfläche nach.On the primer to produce the Eichendekors by means of a first color decorating roller a color in a first shade of brown in a color layer thickness of 15 g / m 3 and a second color decorating roller a color in a second shade of brown in a color layer thickness of 17 g / m 3 applied. The color decor rollers are structured to ensure a selective application of color. In conjunction with the primer, the applied colors reproduce the color structure of the oak surface.
Anschließend wird auf das Dekor mittels zweier nicht-strukturierter Walzen eine erste und eine zweite Schicht Klarlack aufgetragen. Jeweils 30 g/m2 eines Lacks, der unter UV-Licht härtet, werden zunächst aufgetragen, dann wird unter Einwirkung von UV-Licht das Aushärten eingeleitet, aber nicht abgeschlossen. Auf die teilweise ausgehärtete erste Lackschicht wird dann die zweite Lackschicht aufgetragen. Auch diese Lackschicht wird UV-Licht ausgesetzt, aber nicht vollständig ausgehärtet. Den beiden Lackschichten ist jeweils Korund zugesetzt.Subsequently, a first and a second layer of clear coat is applied to the decor by means of two non-structured rollers. Each 30 g / m 2 of a varnish which cures under UV light are applied first, then the curing is initiated under the action of UV light, but not completed. The second lacquer layer is then applied to the partially cured first lacquer layer. This lacquer layer is exposed to UV light, but not completely cured. Corundum is added to the two paint layers.
Auf diese beiden ersten Lackschichten wird abschließend ein UV-härtender Decklack mit 12 g / m2 aufgetragen.Finally, a UV-curing topcoat with 12 g / m 2 is applied to these first two layers of lacquer.
Schließlich wird mittels der strukturierten Lackauftragswalze auf dem Decklack abschnittsweise ein ebenfalls UV-härtender Mattlack aufgebracht, wobei die Strukturierung der Walze wenigstens teilweise mit der durch das Farbdekor vorgegebenen Porenstruktur übereinstimmt. Hierdurch erscheinen die entsprechenden Porenimitationen realistischer, da durch das unterschiedliche Reflexionsverhalten der Eindruck von Vertiefungen in der Oberfläche entsteht. Das anschließend eingesetzte UV-Licht härtet abschließend alle drei bzw. vier aufgetragenen Lackschichten durch, was aufgrund der insgesamt geringen Auftragsmengen ohne weiteres möglich ist.Finally, by means of the structured varnish application roller, a likewise UV-curing matt varnish is applied in sections on the top varnish, the structuring of the roller at least partially coinciding with the pore structure predetermined by the color decoration. As a result, the corresponding pore imitations appear more realistic, since the impression of pits in the surface is created by the different reflection behavior. Finally, the subsequently used UV light cures through all three or four layers of lacquer applied, which is readily possible due to the overall low application quantities.
Zur Erstellung der Esche imitierenden Oberfläche werden die Farb-Dekorwalzen für den Farbauftrag ausgewechselt, während die Walze für den Auftrag der Grundierung übernommen wird. Lediglich die Farbe der Grundierung muss ggf. ausgewechselt werden. Auch die nicht-strukturierte Lackauftragswalze zum Auftrag der Klarlackschichten sowie die strukturierte Lackauftragswalze für den Auftrag des Mattlacks können übernommen werden. Letzteres ist möglich, da das durch die neuen Farb-Dekorwalzen aufgebrachte Farbmuster für Esche erfindungsgemäß auf die Porenstruktur der Walze für den Mattlack abgestimmt ist. Da die Demontage und Montage der strukturierten Lackauftragswalze entfällt, nimmt der Umstellungsprozess von einem Dekor auf ein anderes weniger Zeit in Anspruch und somit muss die Produktion weniger lange gestoppt werden. Dies führt insbesondere bei häufigen Umstellungen zu erheblichen Kostenersparnissen.To create the ash-imitating surface, the paint rollers are replaced for paint application while the roller is applied to apply the primer. Only the color of the primer must be replaced if necessary. Also, the non-structured paint application roller for the application of the clearcoat films as well as the structured paint application roller for the application of the matt paint can be adopted. The latter is possible because the applied by the new color decorating rollers color pattern for ash according to the invention is tuned to the pore structure of the roller for the matt lacquer. Since dismantling and assembly of the structured varnish applicator roll is eliminated, the changeover process from one decor to another takes less time and thus production must be stopped for less. This leads to considerable cost savings, especially with frequent changes.
Der Vorgang des Farb- bzw. Lackauftrags erfolgt im Weiteren wie beim Eichenimitat. Zur Umstellung der Anlage auf das Ulmen-Dekor müssen wiederum nur die beiden Farb-Dekorwalzen ausgewechselt werden.The process of applying paint or varnish is carried out as in the case of oak imitation. In order to convert the system to the elm decor, only the two color decor rollers have to be replaced.
Es sollen Landhausdielen in den drei vorgenannten Holzarten, Eiche, Ulme Esche, hergestellt werden, deren Oberfläche einen gebrauchten Eindruck vermittelt.It should planks in the three aforementioned types of wood, oak, elm ash, are produced, the surface gives a used impression.
Hierzu werden wiederum mittels einer Bildbearbeitungssoftware am Computer drei Nachbildungen von Holzoberflächen entworfen, wobei auch hier wiederum die Porenstrukturen in der geschilderten Weise aufeinander abgestimmt werden. Es wird eine vierte Bilddatei erstellt, die die Struktur der Poren abbildet, die allen drei Imitationen gemeinsam sind.For this purpose, three reproductions of wood surfaces are in turn designed by means of an image processing software on the computer, in which case again the pore structures in the described manner are matched to one another. A fourth image file is created that depicts the structure of the pores that are common to all three imitations.
Daneben wird eine fünfte Bilddatei mit Farbmustern erstellt, die Verschmutzungen, Schleifspuren oder Kratzer nachbilden. Diese Beschädigungsmuster sind zur Überlagerung mit den drei einzelnen Farbdekoren bestimmt, d.h. Form und Positionen der Verschmutzungen, Schleifspuren und Kratzer sind für alle drei Holzarten gleich.In addition, a fifth image file is created with color samples that simulate soiling, sanding marks or scratches. These damage patterns are designed to overlay the three individual color designs, i. The shape and position of the dirt, grinding marks and scratches are the same for all three types of wood.
Wieder werden anhand der ersten drei Bilddateien mittels computergesteuerter Fertigung jeweils zwei strukturierte Farb-Dekorwalzen pro Holzart hergestellt. Auf Basis der vierten Bilddatei wird wiederum computergesteuert eine einzige erste strukturierte Lackauftragswalze hergestellt. Des Weiteren werden auf Basis der fünften Bilddatei eine zweite strukturierte Lackauftragswalze sowie eine strukturierte Prägewalze hergestellt, die in den Bereichen erhaben ist, die Vertiefungen durch Kratzer u. ä. entsprechen.Once again, two structured color decor rollers per wood type are produced using the first three image files by means of computer-controlled production. On the basis of the fourth image file, in turn, a computer-controlled first structured lacquer application roller is produced. Furthermore, on the basis of the fifth image file, a second structured lacquer application roller and a structured embossing roller are produced, which is raised in the areas, the wells by scratches u. Ä. correspond.
Die Vorgänge des Grundierens und des Auftragens der Farbe verlaufen wie beim ersten Ausführungsbeispiel. Gleiches gilt für den Auftrag von zwei Klarlackschichten und einer Schicht Decklack.The operations of priming and applying the paint are the same as in the first embodiment. The same applies to the application of two clearcoat films and one coat of topcoat.
Mittels der strukturierten Lackauftragswalze auf dem Decklack wieder abschnittsweise ein UV-härtender farbloser Mattlack aufgebracht, wobei die Strukturierung der Walze wenigstens teilweise mit der durch das Dekor vorgegebenen Porenstruktur übereinstimmt. Anschließend wird mit der zweiten strukturierten Lackauftragswalze ein farbiger Mattlack aufgetragen, mittels dessen die Struktur von Beschädigungen der Oberfläche einerseits farblich, andererseits durch ein anderes Reflexionsverhalten imitiert wird. Wiederum werden die Lackschichten in ihrer Gesamtheit mittels UV-Licht gehärtet.By means of the structured lacquer application roller, a UV-curable colorless matt lacquer is again applied in sections on the top lacquer, wherein the structuring of the roller at least partially coincides with the predetermined by the decor pore structure. Subsequently, a colored matt lacquer is applied with the second structured lacquer application roller, by means of which the structure of damage to the surface is on the one hand imitated in color, on the other hand by a different reflection behavior. Again, the lacquer layers are cured in their entirety by means of UV light.
Anschließend werden der Oberfläche mittels der Prägewalze, die mit einem Druck von 10 bar auf die Holzwerkstoffoberfläche einwirkt, Vertiefungen eingeprägt, die Kratzern Schleifspuren entsprechen. Hierdurch wird zum einen der optische Eindruck der entsprechenden Strukturen realistischer, zum anderen sind diese auch haptisch wahrnehmbar, wodurch die Illusion vervollständigt wird.Then, the surface is impressed by means of the embossing roller, which acts with a pressure of 10 bar on the wood material surface, depressions that correspond to scratches grinding marks. On the one hand, this makes the visual impression of the corresponding structures more realistic, on the other hand, they can also be perceived haptically, whereby the illusion is completed.
Zur Erstellung der Esche imitierenden Oberfläche werden wie im ersten Beispiel die Farb-Dekorwalzen für den Farbauftrag ausgewechselt, während die Walze für den Auftrag der Grundierung, die nicht-strukturierte Lackauftragswalze zum Auftrag der Klarlackschichten sowie die erste strukturierte Lackauftragswalze für den Auftrag des farblosen Mattlacks übernommen werden. Auch die zweite nicht-strukturierte Lackauftragswalze zum Auftrag des farbigen Mattlacks und die strukturierte Prägewalze können übernommen werden, da erfindungemäß die Gebrauchspuren beim Eschen-Dekor die gleiche Position und Form aufweisen wie beim Eichen-Dekor. Da die Demontage und Montage der strukturierten Lackauftragswalzen sowie der strukturierten Prägewalze entfällt, nimmt auch hier der Umstellungsprozess von einem Dekor auf ein anderes weniger Zeit in Anspruch.To produce the ash-imitating surface, as in the first example, the color decorative rollers are replaced for inking, while the roller for the application of the primer, the non-structured paint application roller for applying the clearcoat films and the first structured paint application roller for the application of the colorless matte varnish become. The second non-structured enamel applicator roller for applying the colored matt lacquer and the structured embossing roller can also be adopted since, according to the invention, the traces of wear in the ash decor have the same position and shape as in the oak decor. Since the dismantling and assembly of the structured lacquer application rollers and the structured embossing roller is eliminated, here too the conversion process from one decor to another takes less time.
Der Vorgänge des Farb- bzw. Lackauftrags sowie des Prägens erfolgen im Weiteren wie beim Eichenimitat. Allerdings wird hier mit der zweiten strukturierten Lackauftragswalze ein andersfarbiger Mattlack als beim Eichenimitat aufgetragen, um dem Umstand Rechnung zu tragen, dass entsprechende Beschädigungen auf dem andersfarbigen Holz ebenfalls eine andere Farbigkeit aufweisen. Zur Umstellung der Anlage auf das Ulmen-Dekor müssen wiederum nur die beiden Farb-Dekorwalzen ausgewechselt werden.The processes of the paint or varnish application as well as the embossing are carried out subsequently as in oak imitation. However, with the second structured varnish application roller, a differently colored matt varnish is applied here than in the case of oak imitation in order to take account of the circumstance that corresponding damage on the differently colored wood likewise has a different color. In order to convert the system to the elm decor, only the two color decor rollers have to be replaced.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL08016193T PL2036741T3 (en) | 2007-09-17 | 2008-09-15 | Preparing a roller assembly for producing finishes on a wooden material surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007044261A DE102007044261B4 (en) | 2007-09-17 | 2007-09-17 | Method for providing a roller arrangement for producing decors on a wood-based material surface |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2036741A2 true EP2036741A2 (en) | 2009-03-18 |
| EP2036741A3 EP2036741A3 (en) | 2010-05-19 |
| EP2036741B1 EP2036741B1 (en) | 2013-06-05 |
Family
ID=40084321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08016193.8A Revoked EP2036741B1 (en) | 2007-09-17 | 2008-09-15 | Preparing a roller assembly for producing finishes on a wooden material surface |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20090074969A1 (en) |
| EP (1) | EP2036741B1 (en) |
| DE (1) | DE102007044261B4 (en) |
| ES (1) | ES2423031T3 (en) |
| PL (1) | PL2036741T3 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8051886B2 (en) | 2009-12-14 | 2011-11-08 | Unilin Flooring Nc Llc | Distressing process and apparatus for applying such process |
| ITMI20101112A1 (en) * | 2010-06-18 | 2011-12-19 | R S A S Di Tarpini Giuseppe & C B V | PROCESS TO BUILD COVERING MATERIALS FOR THE FURNITURE SECTOR TO REPRODUCE VISUALLY AN IMPROVED "WOOD EFFECT" |
| EP3141400A1 (en) * | 2015-09-09 | 2017-03-15 | Interprint GmbH | Method for the preparation of different laminates with one press plate |
| EP3290173A1 (en) * | 2016-09-02 | 2018-03-07 | SWISS KRONO Tec AG | Method for structuring the surface of a wooden panel and a surface-structured wooden panel prepared by means of this process |
| EP4134242A1 (en) * | 2021-08-09 | 2023-02-15 | Flooring Technologies Ltd. | Method and device for applying a decoration and a surface structure to a substrate |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009004482B4 (en) † | 2009-01-09 | 2012-03-29 | Fritz Egger Gmbh & Co. | Component made of wood-based material with imprinted décor and varying degrees of gloss |
| DE102015107259A1 (en) * | 2015-05-08 | 2016-11-10 | Robert Bürkle GmbH | Plate-shaped workpiece having a surface with gloss differences, method for producing such a surface and system for carrying out the method |
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|---|---|---|---|---|
| DE2445051B1 (en) | 1974-09-20 | 1976-01-29 | Alkor Gmbh | PROCESS FOR THE PRODUCTION OF A SURFACE IMITATING A WOOD GRAIN |
| WO2006002917A2 (en) | 2004-07-01 | 2006-01-12 | Fritz Egger Gmbh & Co. | Panel having a decorative surface |
| DE102005042658B3 (en) | 2005-09-08 | 2007-03-01 | Kronotec Ag | Tongued and grooved board for flooring has at least one side surface and tongue and/or groove with decorative layer applied |
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| US3810774A (en) * | 1972-04-17 | 1974-05-14 | Masonite Corp | Multi-color,multi-patterned panels |
| US5178928A (en) * | 1988-09-22 | 1993-01-12 | Dai Nippon Insatsu Kabushiki Kaisha | Decorative materials |
| DE19532819A1 (en) * | 1995-09-06 | 1997-03-13 | Hofa Homann Verwaltungsgesells | Mfr. of fibreboards with patterned surfaces |
| SE516696C2 (en) * | 1999-12-23 | 2002-02-12 | Perstorp Flooring Ab | Process for producing surface elements comprising an upper decorative layer as well as surface elements produced according to the method |
| US6844049B2 (en) * | 2002-10-30 | 2005-01-18 | Hossein Amin-Javaheri | Polyvinyl chloride/wood composite having a natural wood grain finish and a method for creating the finish |
| DE10310199B4 (en) * | 2003-03-06 | 2007-09-20 | Kronotec Ag | Wood fiber board and process for its production |
| WO2005044558A1 (en) * | 2003-10-28 | 2005-05-19 | 3M Innovative Properties Company | Decorative protective film |
| EP1652652A1 (en) * | 2004-10-27 | 2006-05-03 | Nmc S.A. | Decorated articles |
| US7141295B2 (en) * | 2005-05-02 | 2006-11-28 | Interprint, Inc. | Optically embossed sheet for a laminate and method of making |
-
2007
- 2007-09-17 DE DE102007044261A patent/DE102007044261B4/en not_active Revoked
-
2008
- 2008-09-12 US US12/209,448 patent/US20090074969A1/en not_active Abandoned
- 2008-09-15 PL PL08016193T patent/PL2036741T3/en unknown
- 2008-09-15 EP EP08016193.8A patent/EP2036741B1/en not_active Revoked
- 2008-09-15 ES ES08016193T patent/ES2423031T3/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2445051B1 (en) | 1974-09-20 | 1976-01-29 | Alkor Gmbh | PROCESS FOR THE PRODUCTION OF A SURFACE IMITATING A WOOD GRAIN |
| WO2006002917A2 (en) | 2004-07-01 | 2006-01-12 | Fritz Egger Gmbh & Co. | Panel having a decorative surface |
| DE102005042658B3 (en) | 2005-09-08 | 2007-03-01 | Kronotec Ag | Tongued and grooved board for flooring has at least one side surface and tongue and/or groove with decorative layer applied |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8051886B2 (en) | 2009-12-14 | 2011-11-08 | Unilin Flooring Nc Llc | Distressing process and apparatus for applying such process |
| ITMI20101112A1 (en) * | 2010-06-18 | 2011-12-19 | R S A S Di Tarpini Giuseppe & C B V | PROCESS TO BUILD COVERING MATERIALS FOR THE FURNITURE SECTOR TO REPRODUCE VISUALLY AN IMPROVED "WOOD EFFECT" |
| EP3141400A1 (en) * | 2015-09-09 | 2017-03-15 | Interprint GmbH | Method for the preparation of different laminates with one press plate |
| EP3290173A1 (en) * | 2016-09-02 | 2018-03-07 | SWISS KRONO Tec AG | Method for structuring the surface of a wooden panel and a surface-structured wooden panel prepared by means of this process |
| EP4134242A1 (en) * | 2021-08-09 | 2023-02-15 | Flooring Technologies Ltd. | Method and device for applying a decoration and a surface structure to a substrate |
| WO2023017024A1 (en) | 2021-08-09 | 2023-02-16 | Flooring Technologies Ltd. | Method and device for applying a decoration and a surface structure to a carrier material |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090074969A1 (en) | 2009-03-19 |
| DE102007044261B4 (en) | 2009-06-18 |
| ES2423031T3 (en) | 2013-09-17 |
| PL2036741T3 (en) | 2013-11-29 |
| EP2036741A3 (en) | 2010-05-19 |
| EP2036741B1 (en) | 2013-06-05 |
| DE102007044261A1 (en) | 2009-04-16 |
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