EP2985126B1 - Method for edgebanding panels - Google Patents
Method for edgebanding panels Download PDFInfo
- Publication number
- EP2985126B1 EP2985126B1 EP15002333.1A EP15002333A EP2985126B1 EP 2985126 B1 EP2985126 B1 EP 2985126B1 EP 15002333 A EP15002333 A EP 15002333A EP 2985126 B1 EP2985126 B1 EP 2985126B1
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- EP
- European Patent Office
- Prior art keywords
- narrow side
- profiling
- workpiece
- region
- narrow
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 18
- 238000007688 edging Methods 0.000 claims description 11
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 2
- 239000002983 wood substitute Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
- B27D5/003—Other working of veneer or plywood specially adapted to veneer or plywood securing a veneer strip to a panel edge
Definitions
- the invention relates to a method for laminating narrow sides of plate-shaped workpieces according to the preamble of claim 1.
- a method for laminating narrow sides of plate-shaped workpieces is known from EP 0 276 359 A2 known.
- Schmalumblekaschtechniken the type in question are used when plate-shaped workpieces are also made of plate-shaped semi-finished wood or wood substitute materials. In this case, it is usually the case that the surfaces of the surface sides, ie the two surfaces with the largest areal extent, are already coated.
- the semi-finished products are then cut to size according to the desired dimension on their narrow sides and provided with a regularly optically adapted to the surface coating of the surface sides Kantenkaschtechnik.
- edge bands are regularly strip-shaped, single or multilayer plastic belts, which are referred to as so-called edge bands.
- edge bands in general is used for edge lamination materials.
- the present invention is therefore an object of the invention to provide a method for laminating narrow sides of plate-shaped workpieces and producible by this method Schmalrbenkaschtechnik, which allow better connection of the edge band to the narrow side of the plate-shaped semi-finished product in the region of the transition between the narrow side and surface side of the workpiece.
- the edge band rests with a flat surface on the narrow side and thus in particular on the projecting and middle region of the narrow side, the impression initially arises that recessed areas of the narrow side, adjacent to the surface side, would rather lead to a widening of the unwanted joints between edge band and surface of the surface side of the workpiece.
- these joints show a better connection of the edge band to the narrow side when using the method according to the invention and the joint by the adhesion-promoting material - at least largely - is closed.
- the adhesion-promoting material may be a glue, for example a hot glue, with which the edge band is connected to the narrow side; it may also be an adhesive layer or an adhesion-promoting layer of the edge band.
- a glue for example a hot glue
- This can for example have been activated by heat input, preferably by a laser or a hot air blower, wherein the activation in particular means a melting for the purpose of applying the edge band on the narrow side.
- the profiling of the narrow side according to the invention can counteract the effect that could be identified as the cause of the poor connection of edge bands to conventional narrow sides.
- an edge band is applied to a narrow side, it experiences a deflection before being applied to the narrow side. This deflection leads to a bowl, ie to form a concave surface on the narrow side of the workpiece facing surface of the edge band.
- adhesion-promoting material in the region of the edges of the narrow side, ie on the areas of the narrow side adjoining the surfaces of the surface side, is displaced out of the joining zone between narrow side and edge band.
- this adhesion-promoting material for example, melted edge band material, is then no longer available for connecting the narrow side and edge band to the edge regions of the narrow side, whereby the interfering joints and areas of poor binding form.
- this displacement of adhesion-promoting material is reduced. It has been shown that the broadening of the joint by the recessed region is overcompensated by the reduced displacement of adhesion-promoting material from the region of the joint, so that overall a special connection in the edge region arises.
- the profiling may have different geometrical configurations. It may be, for example, a chamfer, so a slight flat bevel of the edge region of the narrow side. But it is also possible to provide a rounding at the edge region of the narrow side or to create a fold, so a stepped shoulder, at the edge region of the narrow side. Of course, combinations of these geometric configurations may be present, for example in the form of a rounded chamfer or the like.
- a thickness-wise middle portion of the narrow side is preferably the most projecting portion of the narrow side. Compared to this area, the profiles of the marginal areas of the narrow side jump back. Preferably, this middle region of the narrow side has a flat, perpendicular to the surface sides of the workpiece course.
- Due to the delimiting lines of the profiling on the narrow side or surface of the surface side can be a plane or in the case of a curved narrow side set a straight line that forms an angle to the surface of the surface side.
- This angle can also be used as a measure of the profiling and preferably moves between 85 ° and 89 °, more preferably between 78 ° and 85 °.
- edge bands are applied to narrow sides, which have a convexly curved course. This is the case in particular in the case of rounded corners of plate-shaped workpieces.
- edge band which is applied to the convexly curved narrow side, also a bowl of the edge band.
- the narrow side oriented surface of the edge band is concavely curved due to the curvature of the workpiece in the direction of the narrow side following direction. Due to the internal multiaxial stress state, the In the material of the edge band is formed, is formed in the direction perpendicular thereto, ie in the thickness direction of the workpiece, on the workpiece facing surface of the edge band, however, from a convex curvature.
- Fig. 1 schematically shows how a workpiece 1 is typically provided with an edge band 2 according to the prior art.
- the edge band 2 is brought to the narrow side 3 of the workpiece 1 and by a pressure device 4, which may for example be designed as a roll, with a pressing force F to the narrow side 3 pressed.
- the edge band 2 typically experiences a deflection when approaching the narrow side 3. This results in a curve, ie a curvature in the thickness direction Y of the workpiece 1, which in Fig. 2 is shown schematically.
- the connection between the edge band 2 and the narrow side 3 is effected by an adhesion-promoting medium, such as a glue or an adhesive or, as in the present example, by an adhesion-promoting or adhesive layer 5.
- the edge band 2 is pressed with a pressing force F to the narrow side 3 of the workpiece 1.
- the situation immediately after leaving this pressure zone is in Fig. 4 shown. Due to residual stresses in the edge band occurs in the edge regions in which the connection between edge band 2 and workpiece 1 is weakened by the described displacement of the adhesion-promoting material, to the failure of the connection, it creates a gap 9 due to the partial Replacement of the edge band 2 from the workpiece 1 in the edge region of the narrow side. 3
- FIG Fig. 5 An exemplary profiling according to the invention is shown in FIG Fig. 5 shown.
- the profiling 7 produced according to the invention on the narrow side 3 of the workpiece 1 jumps back relative to the middle region of the narrow side 10 of the narrow side 3.
- the profiling 7 is exemplified as a chamfer.
- the profiling is dimensioned such that the distance A1 between a perpendicular to the surface 8 of the surface side of the workpiece 1, extending in the thickness direction Y of the workpiece 1 and the furthest projecting portion 10 of the narrow side 3 touching line on the one hand and the boundary formed by the profiling the surface of the surface side on the other hand, at most 0.1 mm and at least 0.01 mm, and / or that the profiling dimensioned such that the distance A2 between a extending in extension of the surface 8 of the surface side of the workpiece 1 straight line on the one hand and by On the other hand, the profiling of the most projecting region 10 of the narrow side 3 is at most 1 mm and at least 0.1 mm.
- the design of the profiling results in an angle ⁇ between the surface 8 of the surface side on the one hand and a reference plane E on the other hand.
- the reference plane E is determined by the boundary of the most projecting region 10 of the narrow side 3, which is formed by the profiling, on the one hand and by the boundary of the surface 8 of the surface side, which is formed by the profiling, on the other. It is understood that in curved progressions of the narrow side, for example, in rounded corners of the plate-shaped workpieces 1, the reference plane corresponding to the tangential plane to the above-described boundary lines, which in the case of a curved edge of course also curved in space, is.
- the angle ⁇ is preferably between 45 ° and 89 °, more preferably between 78 ° and 85 °.
- Fig. 6 it is shown how the profiling 7 is mounted in a rounded corner region of a workpiece 1.
- a profiling can be advantageous if a satisfactory manufacturing quality can be achieved by conventional methods in the region of the straight edge courses, but in the region of the curved narrow side profile at the rounded corner of the workpiece 1, a conventional production of Schmallabschtechnik is problematic.
- Fig. 7 is again schematically the inventive method for applying the edge band 2 shown on the workpiece 1.
- the profiling 7 according to the invention at the critical point at the transition between edge band 2 and surface side basically creates a wider gap, as is the case with the conventional method.
- Fig. 8 it follows that due to the profiling 7 according to the invention no such sharp-edged corner region presses into the adhesive layer 5 and leads to a high degree, as is the case in the prior art, to a displacement of the adhesion-promoting material.
- This can then be during the in Fig. 9 shown pressing the wedge-shaped forming gap between the profiling 7 and the support layer 6 of the edge band 2 fill and so provide a complete connection at this point.
- the result is the in Fig. 10 schematically illustrated connection between edge band 2 and workpiece 1, in which the joint area 11 is filled by adhesion-promoting material, which is why the edge band no longer triggers the formation of an undesirable gap without intact adhesive bond from the workpiece 1.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Laminated Bodies (AREA)
Description
Die Erfindung betrifft ein Verfahren zur Kaschierung von Schmalseiten plattenförmiger Werkstücke gemäß dem Oberbegriff des Anspruchs 1. Ein solches Verfahren ist aus der
Bei dem aufgebrachten Kantenkaschierungsmaterial handelt es sich regelmäßig um streifenförmige, ein- oder mehrschichtige Kunststoffbänder, die als sogenannte Kantenbänder bezeichnet werden. Zur sprachlichen Vereinfachung wird im Folgenden der Begriff Kantenbänder verallgemeinert für Kantenkaschierungsmaterialien verwendet.The applied Kantenkaschierungsmaterial is regularly strip-shaped, single or multilayer plastic belts, which are referred to as so-called edge bands. For the purpose of linguistic simplification, the term edge bands in general is used for edge lamination materials.
Ein verbreitetes Problem bei der Herstellung solcher Schmalflächenkaschierungen ist der Übergang zwischen dem Kantenband und der Oberfläche der Flächenseite des Werkstücks. Hier entsteht oft eine Fuge, in deren Bereich die Anhaftung des Kantenbands an die Schmalseite versagt, so dass ein schmaler Zwischenraum zwischen dem plattenförmigen Halbzeug und dem Kantenband entsteht. In diesem kann sich Schmutz sammeln, was zu unschönen optischen Beeinträchtigungen dieses Übergangsbereichs führt.A common problem in the production of such Schmalflächenkaschierungen is the transition between the edge band and the surface of the surface side of the workpiece. This often results in a joint, in the area of which the adhesion of the edge band to the narrow side fails, so that a narrow space is created between the plate-shaped semifinished product and the edge band. In this can collect dirt, which leads to unsightly visual impairments of this transition area.
Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren zur Kaschierung von Schmalseiten plattenförmiger Werkstücke sowie eine nach diesem Verfahren herstellbare Schmalseitenkaschierung aufzuzeigen, welche eine bessere Anbindung des Kantenbands an die Schmalseite des plattenförmigen Halbzeugs im Bereich des Übergangs zwischen Schmalseite und Flächenseite des Werkstücks ermöglichen.The present invention is therefore an object of the invention to provide a method for laminating narrow sides of plate-shaped workpieces and producible by this method Schmalseitenkaschierung, which allow better connection of the edge band to the narrow side of the plate-shaped semi-finished product in the region of the transition between the narrow side and surface side of the workpiece.
Die Aufgabe wird gelöst durch ein Verfahren gemäß Anspruch 1. Die Merkmale der abhängigen Ansprüche betreffen vorteilhafte Ausführungsformen.The object is achieved by a method according to
Da zumindest im Fall der Kaschierung gerader Kanten das Kantenband mit einer ebenen Fläche an der Schmalseite und somit insbesondere an dem vorspringenden und mittleren Bereich der Schmalseite anliegt, entsteht zunächst der Eindruck, dass zurückspringende Bereiche der Schmalseite, die an die Flächenseite angrenzen, eher zu einer Verbreiterung der unerwünschten Fugen zwischen Kantenband und Oberfläche der Flächenseite des Werkstücks führen würden. Es hat sich jedoch überraschenderweise gezeigt, dass diese Fugen bei Anwendung des erfindungsgemäßen Verfahrens eine bessere Anbindung des Kantenbands an die Schmalseite zeigen und die Fuge durch das haftvermittelnde Material - zumindest weitestgehend - verschlossen ist. Dabei kann es sich bei dem haftvermittelnden Material um einen Leim, beispielsweise einen Heißleim handeln, mit dem das Kantenband mit der Schmalseite verbunden wird, es kann sich auch um eine Haftschicht bzw. eine haftvermittelnde Schicht des Kantenbandes handeln. Diese kann beispielsweise durch Wärmeeintrag, vorzugsweise durch einen Laser oder ein Heißluftgebläse, aktiviert worden sein, wobei die Aktivierung insbesondere ein Aufschmelzen zum Zwecke des Aufbringens des Kantenbandes auf die Schmalseite bedeutet.Since, at least in the case of the lamination of straight edges, the edge band rests with a flat surface on the narrow side and thus in particular on the projecting and middle region of the narrow side, the impression initially arises that recessed areas of the narrow side, adjacent to the surface side, would rather lead to a widening of the unwanted joints between edge band and surface of the surface side of the workpiece. However, it has surprisingly been found that these joints show a better connection of the edge band to the narrow side when using the method according to the invention and the joint by the adhesion-promoting material - at least largely - is closed. In this case, the adhesion-promoting material may be a glue, for example a hot glue, with which the edge band is connected to the narrow side; it may also be an adhesive layer or an adhesion-promoting layer of the edge band. This can for example have been activated by heat input, preferably by a laser or a hot air blower, wherein the activation in particular means a melting for the purpose of applying the edge band on the narrow side.
Es hat sich gezeigt, dass durch die erfindungsgemäße Profilierung der Schmalseite dem Effekt entgegengewirkt werden kann, der als ursächlich für die schlechte Anbindung von Kantenbändern an konventionelle Schmalseiten identifiziert werden konnte. Wird ein Kantenband auf eine Schmalseite aufgebracht, so erfährt es vor dem Aufbringen auf die Schmalseite eine Durchbiegung. Diese Durchbiegung führt zu einer Schüsselung, d.h. zur Ausbildung einer konkaven Oberfläche auf der der Schmalseite des Werkstücks zugewandten Fläche des Kantenbandes. Wird das derart geschüsselte Kantenband auf die Kante aufgebracht, so wird haftvermittelndes Material im Bereich der Ränder der Schmalseite, d.h. an den an die Oberflächen der Flächenseite angrenzenden Bereichen der Schmalseite aus der Fügezone zwischen Schmalseite und Kantenband heraus verdrängt. Im Ergebnis führt dies dazu, dass dieses haftvermittelnde Material, beispielsweise aufgeschmolzenes Kantenbandmaterial, dann nicht mehr zum Verbinden von Schmalseite und Kantenband an den Randbereichen der Schmalseite zur Verfügung steht, wodurch sich die störenden Fugen und Bereiche schlechter Anbindung ausbilden.It has been shown that the profiling of the narrow side according to the invention can counteract the effect that could be identified as the cause of the poor connection of edge bands to conventional narrow sides. If an edge band is applied to a narrow side, it experiences a deflection before being applied to the narrow side. This deflection leads to a bowl, ie to form a concave surface on the narrow side of the workpiece facing surface of the edge band. If the thus-edged edge band is applied to the edge, adhesion-promoting material in the region of the edges of the narrow side, ie on the areas of the narrow side adjoining the surfaces of the surface side, is displaced out of the joining zone between narrow side and edge band. As a result, this adhesion-promoting material, for example, melted edge band material, is then no longer available for connecting the narrow side and edge band to the edge regions of the narrow side, whereby the interfering joints and areas of poor binding form.
Durch das erfindungsgemäße Verfahren wird diese Verdrängung haftvermittelnden Materials vermindert. Es hat sich gezeigt, dass die Verbreiterung der Fuge durch den zurückspringenden Bereich durch die verminderte Verdrängung von haftvermittelndem Material aus dem Bereich der Fuge überkompensiert wird, so dass insgesamt eine besondere Anbindung im Randbereich entsteht.By the method according to the invention, this displacement of adhesion-promoting material is reduced. It has been shown that the broadening of the joint by the recessed region is overcompensated by the reduced displacement of adhesion-promoting material from the region of the joint, so that overall a special connection in the edge region arises.
Dabei kann die Profilierung verschiedene geometrische Ausgestaltungen aufweisen. Es kann sich beispielsweise um eine Fase, also eine leichte ebene Abschrägung des Randbereichs der Schmalseite handeln. Es ist aber auch möglich, eine Verrundung am Randbereich der Schmalseite vorzusehen oder einen Falz, also einen stufenförmigen Absatz, am Randbereich der Schmalseite zu erzeugen. Natürlich können auch Kombinationen dieser geometrischen Ausgestaltungen vorhanden sein, beispielsweise in Form einer abgerundeten Fase oder ähnlichem.In this case, the profiling may have different geometrical configurations. It may be, for example, a chamfer, so a slight flat bevel of the edge region of the narrow side. But it is also possible to provide a rounding at the edge region of the narrow side or to create a fold, so a stepped shoulder, at the edge region of the narrow side. Of course, combinations of these geometric configurations may be present, for example in the form of a rounded chamfer or the like.
Ein in Dickenrichtung mittlerer Bereich der Schmalseite ist vorzugsweise der am weitesten vorstehende Bereich der Schmalseite. Gegenüber diesem Bereich springen die Profilierungen der Randbereiche der Schmalseite zurück. Vorzugsweise hat dieser mittlere Bereich der Schmalseite einen ebenen, zu den Flächenseiten des Werkstücks senkrechten Verlauf.A thickness-wise middle portion of the narrow side is preferably the most projecting portion of the narrow side. Compared to this area, the profiles of the marginal areas of the narrow side jump back. Preferably, this middle region of the narrow side has a flat, perpendicular to the surface sides of the workpiece course.
Durch die begrenzenden Linien der Profilierung an der Schmalseite bzw. Oberfläche der Flächenseite lässt sich eine Ebene bzw. im Falle einer gekrümmten Schmalseite eine Gerade legen, die einen Winkel zur Oberfläche der Flächenseite bildet. Dieser Winkel kann ebenfalls als Maß für die Profilierung verwendet werden und bewegt sich vorzugsweise zwischen 85° und 89°, weiter vorzugsweise zwischen 78° und 85°.Due to the delimiting lines of the profiling on the narrow side or surface of the surface side can be a plane or in the case of a curved narrow side set a straight line that forms an angle to the surface of the surface side. This angle can also be used as a measure of the profiling and preferably moves between 85 ° and 89 °, more preferably between 78 ° and 85 °.
Erfindungsgemäß werden Kantenbänder auf Schmalseiten aufgebracht, die einen konvex gekrümmten Verlauf aufweisen. Dies ist insbesondere im Falle abgerundeter Ecken plattenförmiger Werkstücke der Fall. Bei diesen Bereichen entsteht durch die Krümmung, die dem Kantenband, welches auf die konvex gekrümmte Schmalseite aufgebracht wird, aufgezwungen wird, ebenfalls eine Schüsselung des Kantenbandes. Die zur Schmalseite hin orientierte Fläche des Kantenbandes ist infolge der Krümmung des Werkstücks in der dem Verlauf der Schmalseite folgenden Richtung konkav gekrümmt. Infolge des inneren mehrachsigen Spannungszustandes, der im Material des Kantenbands dadurch entsteht, bildet sich in der hierzu senkrechten Richtung, d.h. in der Dickenrichtung des Werkstücks, an dieser dem Werkstück zugewandten Fläche des Kantenbandes hingegen eine konvexe Krümmung aus. Hierdurch werden die Randbereiche von der Schmalseite des Werkstücks weggebogen. Infolgedessen entsteht eine zusätzliche Zugbeanspruchung der Verbindung zwischen Kantenband und Schmalseite im Randbereich derartig gekrümmter Schmalseitenverläufe. Die eingangs beschriebene grundsätzliche Problematik der Spaltenbildung tritt aus diesem Grund bei derartigen gekrümmten Schmalseitenverläufen in verstärktem Maße auf. Dementsprechend ist eine Bekantung solcher gekrümmter Kantenverläufe nach dem erfindungsgemäßen Verfahren besonders vorteilhaft, da hier der Vorteil der vorliegenden Erfindung, eine bessere Anbindung des Kantenbands in den Randbereichen zu bewirken, noch stärker zum Tragen kommt.According to the invention edge bands are applied to narrow sides, which have a convexly curved course. This is the case in particular in the case of rounded corners of plate-shaped workpieces. In these areas, caused by the curvature, which is imposed on the edge band, which is applied to the convexly curved narrow side, also a bowl of the edge band. The narrow side oriented surface of the edge band is concavely curved due to the curvature of the workpiece in the direction of the narrow side following direction. Due to the internal multiaxial stress state, the In the material of the edge band is formed, is formed in the direction perpendicular thereto, ie in the thickness direction of the workpiece, on the workpiece facing surface of the edge band, however, from a convex curvature. As a result, the edge regions are bent away from the narrow side of the workpiece. As a result, an additional tensile stress of the connection between edge band and narrow side arises in the edge region of such curved narrow side profiles. The basic problem of the formation of gaps described at the outset therefore occurs to a greater extent in such curved narrow-side progressions. Accordingly, an edging of such curved edge courses by the method according to the invention is particularly advantageous, since the advantage of the present invention to bring about a better connection of the edge band in the edge areas becomes even more evident here.
Die Erfindung wird im Folgenden anhand der
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Fig. 1 zeigt eine schematische Darstellung des Aufbringens eines Kantenbandes auf die Schmalseite eines Werkstücks. -
Fig. 2 zeigt eine Querschnittdarstellung der Annäherung des Kantenbandes an die Schmalseite während des Aufbringens. -
Fig. 3 zeigt eine Querschnittdarstellung des Aufbringens eines Kantenbandes an eine Schmalseite während des Anpressens des Kantenbandes. -
Fig. 4 zeigt eine Querschnittsdarstellung des Zustands unmittelbar nach dem Aufbringen des Kantenbands auf die Schmalseite nach dem Stand der Technik. -
Fig. 5 zeigt eine beispielhafte erfindungsgemäße Profilierung einer Schmalseite. -
Fig. 6 zeigt eine beispielhafte erfindungsgemäße Profilierung einer Schmalseite im Bereich einer abgerundeten Ecke eines plattenförmigen Werkstücks. -
Fig. 7 zeigt eine schematische Darstellung des Aufbringens eines Kantenbands auf eine erfindungsgemäß profilierte Schmalseite. -
Fig. 8 zeigt eine Querschnittsdarstellung der Annäherung des Kantenbands an eine erfindungsgemäß profilierte Schmalseite unmittelbar vor dem Aufbringen des Kantenbands auf die Schmalseite. -
Fig. 9 zeigt ein während des Aufbringens auf eine erfindungsgemäß profilierte Schmalseite an diese angedrücktes Kantenband im Querschnitt. -
Fig. 10 zeigt eine Querschnittsdarstellung eines auf eine erfindungsgemäß profilierte Schmalseite aufgebrachten Kantenbandes unmittelbar nach dem Aufbringen.
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Fig. 1 shows a schematic representation of the application of an edge band on the narrow side of a workpiece. -
Fig. 2 shows a cross-sectional view of the approach of the edge band to the narrow side during application. -
Fig. 3 shows a cross-sectional view of the application of an edge band to a narrow side during the pressing of the edge band. -
Fig. 4 shows a cross-sectional view of the state immediately after the application of the edge band on the narrow side according to the prior art. -
Fig. 5 shows an exemplary profiling of a narrow side according to the invention. -
Fig. 6 shows an exemplary inventive profile of a narrow side in the region of a rounded corner of a plate-shaped workpiece. -
Fig. 7 shows a schematic representation of the application of an edge band on an inventively profiled narrow side. -
Fig. 8 shows a cross-sectional view of the approach of the edge band to an inventively profiled narrow side immediately before the application of the edge band on the narrow side. -
Fig. 9 shows a during application to a profiled according to the invention narrow side of this pressed edgeband in cross section. -
Fig. 10 shows a cross-sectional view of an edge strip applied to a profiled narrow side according to the invention immediately after application.
In
In einem anschließenden Verfahrensschritt, der in
Dem kann mit einer erfindungsgemäßen Profilierung 7 der Schmalseite 3 des Werkstücks 1 entgegengewirkt werden. Eine beispielhafte erfindungsgemäße Profilierung ist in
Die erfindungsgemäß an der Schmalseite 3 des Werkstücks 1 erzeugte Profilierung 7 springt gegenüber dem mittleren Bereich der Schmalseite 10 der Schmalseite 3 zurück. In
Erfindungsgemäß ist diese Profilierung derart bemessen, dass der Abstand A1 zwischen einer zur Oberfläche 8 der Flächenseite des Werkstücks 1 senkrechten, in Dickenrichtung Y des Werkstücks 1 verlaufenden und den am weitesten vorstehenden Bereich 10 der Schmalseite 3 berührenden Geraden einerseits und der durch die Profilierung gebildeten Begrenzung der Oberfläche der Flächenseite andererseits höchstens 0,1 mm und wenigstens 0,01 mm beträgt, und/oder dass die Profilierung derart bemessen, dass der Abstand A2 zwischen einer in Verlängerung der Oberfläche 8 der Flächenseite des Werkstücks 1 verlaufenden Geraden einerseits und der durch die Profilierung gebildeten Begrenzung des am weitesten vorstehenden Bereichs 10 der Schmalseite 3 andererseits höchstens 1 mm und wenigstens 0,1 mm beträgt.According to the profiling is dimensioned such that the distance A1 between a perpendicular to the
Vorzugsweise resultiert aus der Bemessung der Profilierung ein Winkel α zwischen der Oberfläche 8 der Flächenseite einerseits und einer Referenzebene E andererseits. Die Referenzebene E ist dabei durch die Begrenzung des am weitesten vorstehenden Bereichs 10 der Schmalseite 3, die durch die Profilierung gebildet wird, zum einen und durch die Begrenzung der Oberfläche 8 der Flächenseite, die durch die Profilierung gebildet wird, zum anderen festgelegt. Es versteht sich, dass bei gekrümmten Verläufen der Schmalseite, beispielsweise bei abgerundeten Ecken der plattenförmigen Werkstücke 1, die Referenzebene entsprechend die tangentiale Ebene zu den vorstehend beschriebenen Begrenzungslinien, die im Fall einer gekrümmten Kante natürlich ebenfalls gekrümmt im Raum verlaufen, ist. Der Winkel α beträgt bevorzugt zwischen 45° und 89°, weiter bevorzugt zwischen 78° und 85°.Preferably, the design of the profiling results in an angle α between the
In
In
Claims (7)
- Method for lining the narrow sides (3) of panel-type workpieces (1), more particularly for applying edging bands (2) to the narrow sides of wood or wood substitutes, wherein an edging band (2) is applied to the narrow side (3) of a panel-type workpiece (1), wherein prior to applying the edging band (2) a profiling (7) is formed on the narrow side (3) of the workpiece (1) and configured so that an edge region of the narrow side (3) adjoining a flat surface side of the workpiece (1) is recessed back relative to a middle region (10) of the narrow side (3), in the thickness direction (Y) of the workpiece, wherein the profiling (7) is provided on a region (10) of the narrow side (3) where the latter has a convex curved path in the extension plane (X, Z) of the workpiece (1),
characterised in that the profiling (7) is dimensioned so that the distance (A1) between a straight line perpendicular to the surface (8) of the flat side of the workpiece, running in the thickness direction (Y) of the workpiece (1) and contacting the furthest protruding region (10) of the narrow side (3) on the one side, and the boundary of the surface (8) of the flat side formed by the profiling (7) on the other side, amounts at most to 0.1 mm and at least 0.01 mm, and /or
that the profiling (7) is dimensioned so that the distance (A2) between a straight line running in the extension of the surface (8) of the flat side of the workpiece (1), on the one side, and the boundary, formed by the profiling (7), of the furthest protruding region (10) of the narrow side (3), on the other side, amounts to at most 1mm and at least 0.1 mm. - Method according to claim 1, characterised in that the profiling (7) is a chamfer, rounded area, fold and/or a combination thereof.
- Method according to one of the preceding claims characterised in that the profiling (7) is configured so that a central region (10) in the thickness direction (Y) of the narrow side (3) preferably running perpendicular to the flat sides of the workpiece is the furthest protruding region of the narrow side.
- Method according to one of the preceding claims characterised in that prior to being applied to the narrow side (3) the edging band (2) is deformed, more particularly as a result of the configuration of a feed mechanism (4) for feeding the edging band (2), in such a way that a concave interlinking of the edging band (2) arises on the side of the edging band (2) facing the narrow side (3) at the moment of applying the edging band (2) to the narrow side (3).
- Method according to one of the preceding claims characterised in that the profiling (7) is dimensioned so that the angle (α) between a boundary, formed through the profiling (7), of the furthest protruding region (10) of the narrow side (3), and planes (E) defined by the boundary, formed by the profiling (7), of the surface (8) of the flat side, and the surface (8) of the flat side amounts to between 45□ and 89□, more particularly between 78□ and 85□.
- Method according to one of the preceding claims characterised in that the profiling (7) is provided on a region (10) of the narrow side (3) wherein the region is a rounded corner region of a workpiece (1).
- Method according to one of the preceding claims characterised in that an adhesive layer (5) of the edging band (2) is activated, more particularly melted by applying heat, before and/or during application of the edging band (2) to the narrow side (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL15002333T PL2985126T3 (en) | 2014-08-14 | 2015-08-05 | Method for edgebanding panels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014012149.6A DE102014012149A1 (en) | 2014-08-14 | 2014-08-14 | Method for laminating narrow sides of plate-shaped workpieces |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2985126A1 EP2985126A1 (en) | 2016-02-17 |
EP2985126B1 true EP2985126B1 (en) | 2018-11-21 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15002333.1A Active EP2985126B1 (en) | 2014-08-14 | 2015-08-05 | Method for edgebanding panels |
Country Status (3)
Country | Link |
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EP (1) | EP2985126B1 (en) |
DE (1) | DE102014012149A1 (en) |
PL (1) | PL2985126T3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019113078A1 (en) * | 2019-05-17 | 2020-11-19 | Ima Schelling Deutschland Gmbh | Edging process for the arrangement of an edgeband on a panel component and furniture panel |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0276359A2 (en) * | 1987-01-26 | 1988-08-03 | IMA-Norte Maschinenfabriken Klessmann GmbH & Co. | Process and apparatus for applying edging material to plate-like elements, for example furniture parts |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL294604A (en) * | 1963-06-26 | 1965-04-26 | ||
DE29817408U1 (en) * | 1998-09-29 | 1998-11-26 | Dorus Klebetechnik Gmbh & Co K | Pressure elements for coating narrow surfaces of a plate element and such a plate element |
DE29903734U1 (en) * | 1999-03-02 | 1999-05-27 | Dorus Klebetechnik Gmbh & Co K | Pressure element and system of pressure elements for coating straight narrow surfaces of a plate element |
DE102009041928B4 (en) * | 2009-09-17 | 2012-03-29 | Ima Klessmann Gmbh Holzbearbeitungssysteme | Surface smoothing process and surface lamination device |
DE102014003766A1 (en) * | 2014-03-15 | 2015-09-17 | Ima Klessmann Gmbh Holzbearbeitungssysteme | Method and device for producing an edge lamination |
-
2014
- 2014-08-14 DE DE102014012149.6A patent/DE102014012149A1/en not_active Withdrawn
-
2015
- 2015-08-05 PL PL15002333T patent/PL2985126T3/en unknown
- 2015-08-05 EP EP15002333.1A patent/EP2985126B1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0276359A2 (en) * | 1987-01-26 | 1988-08-03 | IMA-Norte Maschinenfabriken Klessmann GmbH & Co. | Process and apparatus for applying edging material to plate-like elements, for example furniture parts |
Also Published As
Publication number | Publication date |
---|---|
PL2985126T3 (en) | 2019-05-31 |
EP2985126A1 (en) | 2016-02-17 |
DE102014012149A1 (en) | 2016-02-18 |
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