EP1910045B1 - Verfahren zum bearbeiten eines ein holzmaterial und eine beschichtung aufweisenden bauteils, insbesondere einer platte oder eines paneels - Google Patents

Verfahren zum bearbeiten eines ein holzmaterial und eine beschichtung aufweisenden bauteils, insbesondere einer platte oder eines paneels Download PDF

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Publication number
EP1910045B1
EP1910045B1 EP06777704A EP06777704A EP1910045B1 EP 1910045 B1 EP1910045 B1 EP 1910045B1 EP 06777704 A EP06777704 A EP 06777704A EP 06777704 A EP06777704 A EP 06777704A EP 1910045 B1 EP1910045 B1 EP 1910045B1
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EP
European Patent Office
Prior art keywords
panels
component
panel
coating
plate
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.)
Active
Application number
EP06777704A
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German (de)
English (en)
French (fr)
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EP1910045A1 (de
Inventor
Bruno Reiter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fritz Egger GmbH and Co OG
Original Assignee
Fritz Egger GmbH and Co OG
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Publication date
Application filed by Fritz Egger GmbH and Co OG filed Critical Fritz Egger GmbH and Co OG
Priority to PL06777704T priority Critical patent/PL1910045T3/pl
Publication of EP1910045A1 publication Critical patent/EP1910045A1/de
Application granted granted Critical
Publication of EP1910045B1 publication Critical patent/EP1910045B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/06—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by burning or charring, e.g. cutting with hot wire

Definitions

  • the invention relates to a method for processing a component comprising a wood material and a coating, in particular a plate or a panel, according to the preamble of claim 1 (see eg US Pat. No. 6,647,690 ).
  • a component can also represent something other than a plate or a panel, for example furniture or cabinet elements, door elements and door frames or facade elements.
  • wood materials composites of wood and plastic so-called wood-plastic compounds may be.
  • the panels comprising a wood material also include those having a carrier plate, which as a rule have a decorative layer provided on the carrier plate, in the form of a lacquer or laminate layer, and a base layer which is usually constructed in a comparable manner.
  • the Panels are laid on floors (flooring), walls and / or ceilings to form a floor covering.
  • the tools for separating the plates and for milling out the connecting elements must have a high precision, since in the manufacture of panels very small tolerances must be adhered to. Otherwise, the panels can not be easily laid or it comes to unsightly joints after laying the panels on a floor, on a wall or a ceiling. Consequently, high-quality tools for processing the plates must be used.
  • the present invention is therefore based on the technical problem of specifying a method for processing components comprising a wood material, with which a component can be produced more economically and the risk of inaccuracies can be reduced.
  • the invention has recognized that on the one hand by the use of a high-energy beam, in particular a laser on the use of mechanical, so machining tools can be at least partially dispensed with.
  • Rays of the type described above, in particular laser beams are not subject to friction-related wear, as is the case with tools for machining. Therefore, the components, ie in particular the panels, the plates for their production or the blanks of the later panels - can be processed almost wear-free. So it comes to less wear-related downtime and expensive tool changes.
  • a beam in particular a laser but also a machining accuracy can be achieved, as it is indispensable in the manufacture of panels for easy connection of the same during installation.
  • the invention and its preferred embodiments are referred to as a laser, this is generally understood to mean a high-energy beam for non-contact machining of the component.
  • a laser any desired beam of electromagnetic radiation or of particle radiation can be used.
  • a hot gas jet for example a plasma jet is used. Nevertheless, the following always speaks of a laser beam.
  • Lasers have been used for some time to cut very hard materials such as metal.
  • a laser when set correctly, a very high amount of thermal energy can be applied to a very narrow area of the material. This thermal energy can then spontaneously evaporate at least individual components, which leads to a volume expansion and thus to a spalling of material. Some materials simply melt through the action of the laser beam, where it hits the workpiece.
  • the invention has surprisingly shown that when using a laser does not have to be expected with respect to the extraordinarily high manufacturing accuracies uncontrollable material removal. Rather, the small tolerances of the components can be readily adhered to.
  • the wood material of the components is not built completely homogeneous, but always has irregularities, and has the property to carbonize even on exposure to low thermal energy or even to smolder.
  • this leads to an impairment of the material properties, in particular strength being to be considered, and on the other hand to optical losses, which are fundamentally to be avoided in the case of components, in particular in the case of panels and panels.
  • the coating is a paint or laminate coating applied to a backing plate.
  • the support plate is then made of wood or other wood material.
  • Laminate coatings consist of a synthetic resin, impregnated papers and hard particles.
  • the hard particles are usually mineral particles of alumina, corundum, silicon compounds, boron nitride, titanium carbide, tungsten carbide or the like.
  • the component, the plate, the blank of a panel or a plate web after the removal of the coating by the laser in the region of the ablation with a mechanical tool is machined. Ultimately, therefore, before a conventional machining of the workpiece, the coating is first selectively removed by a laser application.
  • machining can be just as good the separation of a plate in tracks or the separation of a web in blanks of individual panels as well as the milling out of a connecting element of a web or a blank of a panel.
  • a connecting element is preferably understood to mean a groove and / or spring which is suitable either for gluing or for latching the panels.
  • an embodiment of the method can be used in which an upper contact surface is machined out of the panel by the laser beam. If the panel has a coating on the corresponding upper side, not only the coating is removed by the laser beam, but preferably also the upper contact surface is worked out in one working step. Thus, a process step in the panel production can be saved and ensured that the upper contact surface is worked with a very high and always the same accuracy.
  • the method is not limited to an upper contact surface.
  • the same can also be provided in connection with a lower contact surface.
  • lower contact surfaces are not preferred in many panels, so that only an upper contact surface is mentioned here, even if, alternatively or additionally, the lower contact surface can also be meant.
  • a connecting element is machined out of the blank by the laser beam. In this case can then be dispensed with mechanical tools for working out of fasteners. If, in addition, the separation of individual webs into blanks of individual panels is accomplished by a laser, mechanical tools can ultimately be completely dispensed with.
  • one or more mating surfaces with the laser from the blank bez. be worked out of the web of blanks or at least reworked.
  • the high accuracy of the laser is exploited, which must be ensured in particular in mating surfaces at which abut the connecting elements of adjacent panels in the connected state.
  • the laser is operated in a setting which relates in particular to the focusing and the intensity of the laser beam, in which a smoothing of the processed panel surfaces is achieved.
  • the working out and smoothing the panel surfaces is preferably carried out simultaneously.
  • the removal of material for working out of the panel surfaces and the smoothing of the same are carried out in successive steps or independently of each other.
  • the panel surface smoothed in this way are in particular contact surfaces or mating surfaces. By smoothening, the remaining surface roughness can be reduced, for example, during a previous mechanical treatment.
  • the panel surfaces are sealed by the action of the laser beam. This is preferably achieved by a change in the fiber structure, which is responsible for the good water absorption of the panels.
  • the Moisture is mainly stored as capillary moisture, which is sometimes even removed from the ambient air.
  • the laser treatment thus preferably leads to a kind of closure of the wooden capillaries, or at least to a reduction of the capillarity.
  • the sealing is combined with another method step.
  • This may be either smoothing, material removal or both.
  • a second laser beam With a second laser beam, a further section of the coating can be removed beyond the region of the separating cut so that cutting tools can be used for the subsequent machining of the side edges of the plate parts, which only have to fulfill lower requirements for the surface finish. Because the area of the core of the plate is much easier to work, as it is the case for the coating. Thus, the laser beam is used as far as it comes to the severing of the plate and the beyond further detachment of the coating.
  • the second laser beam can in turn be used for the incorporation of a depression, for example, to produce an upper side edge as a well-defined contact surface.
  • a longitudinal groove can be incorporated, which is used in the subsequent processing of the plate to the leadership. If this longitudinal or guide groove is very precisely introduced by means of the laser beam, the subsequent guidance of the plate is thereby improved.
  • This technique is used in particular in the application of a plate transport by means of air cushion technology application. Because here the transport of the plate takes place by means of an air flow, the transport is initially less accurate than is the case for a mechanical guide. By introducing a guide groove in the manner described above, the guiding of a plate is then improved, which is transported by means of an air cushion. The guidance benefits the very good precision of the laser processing.
  • a plate 1 is shown, which forms a preliminary stage in the manufacture of panels 2, 2 '.
  • the sliced panels 2, 2 ' are not yet separated, but together with other panels still the plate 1.
  • the plate 1 has a carrier material 2 of a high-density fiberboard (HDF) and two coatings 3, 3' on.
  • the upper coating 3 is a laminate layer with a decorative paper, while the lower coating 3 'is a laminate layer without decorative layer and acts as a so-called Gegenzug Anlagen.
  • connecting elements 4, 4 'of the panels 2, 2' outlined by dashed lines.
  • a groove is provided, while at the left end of the right panel 2 'a spring is provided.
  • Both connecting elements 4, 4 ' have mating surfaces 5, 5', 5 ", 5"', on which connected panels abut each other in the installed state.
  • locking elements are provided by means of which panels can be locked together. For the method for producing the panels, it would make no difference in contrast to their installation, if the connecting elements 5, 5 'would have no locking elements, but would be intended for bonding.
  • the illustrated plate forms the starting point for the exemplary embodiment described below of a method for producing panels comprising a wood material.
  • Fig. 4 is shown schematically, the plate 1 separated, with the two panels 2, 2 'shown cut off from each other be separated.
  • the separation of the plate 1 takes place here with a sawing device 9 known from the prior art. Since the coatings 3, 3 'have already been removed along the strip-like regions 7, 7', a less high-quality tool can be used for cutting, the nevertheless longer service lives or curfew reached.
  • the separation could also be done with the help of a laser beam. This would in particular have the advantage that much smaller joint widths would have to be provided than is the case for conventional tools. This could ultimately minimize the waste.
  • the variable removal of material can be achieved on the one hand by a variable loading time and / or on the other hand by a corresponding intensity profile of the laser.
  • the Fig. 6 shows are now still the mating surfaces 5, 5 ', 5 ", 5"' of the connecting elements 4, 4 'smoothed and sealed. Also the upper abutment surfaces 8, 8 'have been smoothed and sealed, in time with the working out of the upper abutment surfaces 8, 8' by an additional laser beam. The way in which this process step takes place can vary from case to case and is not predetermined from the outset.
  • the resulting transverse edges can also be processed by using a laser beam.
  • the method is not limited to the sequence of method steps shown in the drawing. Also, only a single application of the laser beam or any combination thereof may be used in the manufacture of the panels.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Laser Beam Processing (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
EP06777704A 2005-07-29 2006-07-11 Verfahren zum bearbeiten eines ein holzmaterial und eine beschichtung aufweisenden bauteils, insbesondere einer platte oder eines paneels Active EP1910045B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06777704T PL1910045T3 (pl) 2005-07-29 2006-07-11 Sposób obróbki elementu konstrukcyjnego, zawierającego materiał drzewny i powłokę , w szczególności płyty albo panela

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005036345A DE102005036345B4 (de) 2005-07-29 2005-07-29 Verfahren zum Bearbeiten eines ein Holzmaterial aufweisenden Bauteils, insbesondere einer Platte oder eines Paneels
PCT/EP2006/064104 WO2007012561A1 (de) 2005-07-29 2006-07-11 Verfahren zum bearbeiten eines ein holzmaterial aufweisenden bauteils, insbesondere einer platte oder eines paneels

Publications (2)

Publication Number Publication Date
EP1910045A1 EP1910045A1 (de) 2008-04-16
EP1910045B1 true EP1910045B1 (de) 2009-02-18

Family

ID=36975597

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06777704A Active EP1910045B1 (de) 2005-07-29 2006-07-11 Verfahren zum bearbeiten eines ein holzmaterial und eine beschichtung aufweisenden bauteils, insbesondere einer platte oder eines paneels

Country Status (6)

Country Link
EP (1) EP1910045B1 (pl)
AT (1) ATE422993T1 (pl)
DE (2) DE102005036345B4 (pl)
ES (1) ES2321233T3 (pl)
PL (1) PL1910045T3 (pl)
WO (1) WO2007012561A1 (pl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101107105B (zh) 2005-02-23 2012-07-04 地板材料工业有限公司 用于制造地板块的方法以及通过该方法获得的地板块
ES2320352T3 (es) * 2005-05-04 2009-05-21 Berry Finance Nv Metodo para la produccion de un panel de suelo.
AT13287U1 (de) * 2012-06-05 2013-10-15 Mac Kunsthandel Gmbh Verbindung zweier vorzugsweise aus Holzwerkstoff bestehender Platten
CN106926339A (zh) * 2015-12-30 2017-07-07 广州厚邦木业制造有限公司 一种炭化速生桉木板材的制造工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4469931A (en) * 1982-09-13 1984-09-04 Macken John A Laser assisted saw device
JPS60127102A (ja) * 1983-12-13 1985-07-06 大建工業株式会社 装飾材
NZ233510A (en) * 1989-05-03 1993-09-27 Robert John Duncanson Panels joined by tongue and recess formation
SE9400934L (sv) * 1994-03-21 1995-09-22 Joachim W O Seltman Förfarande och anordning för att erhålla en träyta med frilagd cellstruktur
DE19718287C1 (de) * 1997-04-30 1998-06-10 Fraunhofer Ges Forschung Verfahren zur Modifizierung von Holzoberflächen
SE515789C2 (sv) * 1999-02-10 2001-10-08 Perstorp Flooring Ab Golvbeläggningsmaterial innefattande golvelement vilka är avsedda att sammanfogas vertikalt
DE10305817A1 (de) * 2003-02-12 2004-08-26 Dietrich Menzel Fußboden
DE10321220B3 (de) * 2003-05-12 2004-12-30 Formtec Technische Formholzteile Gmbh Verfahren zum Herstellen von Segment- oder Endlosbögen für Lenkräder sowie Lenkrad
WO2006031169A1 (en) * 2004-09-14 2006-03-23 Pergo (Europe) Ab A decorative laminate board

Also Published As

Publication number Publication date
ES2321233T3 (es) 2009-06-03
WO2007012561A1 (de) 2007-02-01
DE102005036345B4 (de) 2012-05-03
ATE422993T1 (de) 2009-03-15
DE502006002899D1 (de) 2009-04-02
DE102005036345A1 (de) 2007-02-01
EP1910045A1 (de) 2008-04-16
PL1910045T3 (pl) 2009-07-31

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