WO2007012561A1 - Verfahren zum bearbeiten eines ein holzmaterial aufweisenden bauteils, insbesondere einer platte oder eines paneels - Google Patents
Verfahren zum bearbeiten eines ein holzmaterial aufweisenden bauteils, insbesondere einer platte oder eines paneels Download PDFInfo
- Publication number
- WO2007012561A1 WO2007012561A1 PCT/EP2006/064104 EP2006064104W WO2007012561A1 WO 2007012561 A1 WO2007012561 A1 WO 2007012561A1 EP 2006064104 W EP2006064104 W EP 2006064104W WO 2007012561 A1 WO2007012561 A1 WO 2007012561A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- component
- panels
- panel
- plate
- laser
- Prior art date
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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 wooden material having a component, in particular a plate or a panel.
- 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 are also understood as being medium-density or high-density fiberboard (MDF and HDF boards), OSB boards (Oriented Strand Boards) and the like. Furthermore, 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.
- a high-energy beam in particular a laser beam is directed to a point to be machined on the component and in which by the action of the beam, a portion of the material of the component is removed, through the beam is a coating removed.
- 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.
- lasers with very high precision. In this case, however, very soft tissue is acted upon, for which only a very low energy or intensity of the laser is forced. Compared to such fabric panels are several orders of magnitude harder. It must therefore be spent for a material removal a much higher energy, which in principle has a negative effect on the accuracy of the material removal.
- the wood material of the components is not completely homogeneous, but always has irregularities, and has the property to carbonize even on exposure to a 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.
- mechanical tools for working out of fasteners.
- 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.
- FIG. 1 shows schematically a plate comprising a plurality of blanks before a first method step
- FIG. 2 shows schematically the plate of FIG. 1 during the first method step
- FIG. 3 shows schematically the plate of FIG. 1 during a second method step
- FIG. 4 shows schematically the plate of FIG. 1 during a third method step
- FIG. Fig. 5 shows schematically several blanks comprising bands of the plate of Fig. 1 during a fourth process step and
- FIG. 6 shows schematically the bands of FIG. 5 during a fifth method step
- a plate 1 which forms a precursor 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 Mrs.
- connecting elements 4, 4 'of the panels 2, 2' are sketched by dashed lines in FIG.
- 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 interconnected panels in the installed state abut each other.
- 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 plate illustrated in FIG. 1 forms the starting point for the exemplary embodiment of a method for producing panels comprising a wood material described below.
- the plate 1 is separated, wherein the two panels shown 2, 2 'shown separated 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, 1', a less high-quality tool can be used for cutting, the nevertheless longer service life 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 connecting elements 4, 4 ' can be worked out on the previously formed sides of the panels 2, 2'. This is shown schematically in FIG. 5. This too is carried out with the aid of laser beams 6 in the described preferred embodiment. This allows a high accuracy of material removal. This ultimately ensures that the panels 2, 2 'can be connected later in the desired manner, without having to operate an increased effort for quality assurance.
- 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, now 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)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06777704A 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 |
PL06777704T PL1910045T3 (pl) | 2005-07-29 | 2006-07-11 | Sposób obróbki elementu konstrukcyjnego, zawierającego materiał drzewny i powłokę , w szczególności płyty albo panela |
DE502006002899T DE502006002899D1 (de) | 2005-07-29 | 2006-07-11 | Verfahren zum bearbeiten eines ein holzmaterial und eine beschichtung aufweisenden bauteils, insbeso |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005036345.8 | 2005-07-29 | ||
DE102005036345A DE102005036345B4 (de) | 2005-07-29 | 2005-07-29 | Verfahren zum Bearbeiten eines ein Holzmaterial aufweisenden Bauteils, insbesondere einer Platte oder eines Paneels |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007012561A1 true WO2007012561A1 (de) | 2007-02-01 |
Family
ID=36975597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
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) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8056236B2 (en) | 2005-02-23 | 2011-11-15 | Flooring Industries Limited, Sarl | Method for manufacturing floor panels, as well as floor panel obtained by means of such method |
US8082959B2 (en) * | 2005-05-04 | 2011-12-27 | Berry Finance N.V. | Method of manufacturing a panel |
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 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT13287U1 (de) * | 2012-06-05 | 2013-10-15 | Mac Kunsthandel Gmbh | Verbindung zweier vorzugsweise aus Holzwerkstoff bestehender Platten |
Citations (6)
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 |
US5357728A (en) * | 1989-05-03 | 1994-10-25 | Duncanson Robert J | Jointing of building panels and sheets |
WO1995025621A1 (en) * | 1994-03-21 | 1995-09-28 | Seltman Joachim W O | A method and apparatus for producing a wood surface |
US6647690B1 (en) * | 1999-02-10 | 2003-11-18 | Pergo (Europe) Ab | Flooring material, comprising board shaped floor elements which are intended to be joined vertically |
WO2006031169A1 (en) * | 2004-09-14 | 2006-03-23 | Pergo (Europe) Ab | A decorative laminate board |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19718287C1 (de) * | 1997-04-30 | 1998-06-10 | Fraunhofer Ges Forschung | Verfahren zur Modifizierung von Holzoberflächen |
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 |
-
2005
- 2005-07-29 DE DE102005036345A patent/DE102005036345B4/de active Active
-
2006
- 2006-07-11 DE DE502006002899T patent/DE502006002899D1/de active Active
- 2006-07-11 PL PL06777704T patent/PL1910045T3/pl unknown
- 2006-07-11 AT AT06777704T patent/ATE422993T1/de active
- 2006-07-11 EP EP06777704A patent/EP1910045B1/de active Active
- 2006-07-11 WO PCT/EP2006/064104 patent/WO2007012561A1/de active Application Filing
- 2006-07-11 ES ES06777704T patent/ES2321233T3/es active Active
Patent Citations (6)
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 |
US5357728A (en) * | 1989-05-03 | 1994-10-25 | Duncanson Robert J | Jointing of building panels and sheets |
WO1995025621A1 (en) * | 1994-03-21 | 1995-09-28 | Seltman Joachim W O | A method and apparatus for producing a wood surface |
US6647690B1 (en) * | 1999-02-10 | 2003-11-18 | Pergo (Europe) Ab | Flooring material, comprising board shaped floor elements which are intended to be joined vertically |
WO2006031169A1 (en) * | 2004-09-14 | 2006-03-23 | Pergo (Europe) Ab | A decorative laminate board |
Non-Patent Citations (1)
Title |
---|
DATABASE WPI Section Ch Week 1992, Derwent World Patents Index; Class F09, AN 1992-232090, XP002400053 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8056236B2 (en) | 2005-02-23 | 2011-11-15 | Flooring Industries Limited, Sarl | Method for manufacturing floor panels, as well as floor panel obtained by means of such method |
US8591786B2 (en) | 2005-02-23 | 2013-11-26 | Flooring Industries Limited, Sarl | Method for manufacturing floor panels, as well as floor panel obtained by means of such method |
US8082959B2 (en) * | 2005-05-04 | 2011-12-27 | Berry Finance N.V. | Method of manufacturing a panel |
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 |
Also Published As
Publication number | Publication date |
---|---|
ES2321233T3 (es) | 2009-06-03 |
EP1910045B1 (de) | 2009-02-18 |
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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