EP4448298A1 - Verfahren zum herstellen eines werkstücks - Google Patents
Verfahren zum herstellen eines werkstücksInfo
- Publication number
- EP4448298A1 EP4448298A1 EP22838664.5A EP22838664A EP4448298A1 EP 4448298 A1 EP4448298 A1 EP 4448298A1 EP 22838664 A EP22838664 A EP 22838664A EP 4448298 A1 EP4448298 A1 EP 4448298A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- workpiece
- digital printing
- printing process
- coating material
- strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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
- B44C1/10—Applying flat materials, e.g. leaflets, pieces of fabrics
-
- 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
-
- 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
- B27D5/006—Trimming, chamfering or bevelling edgings, e.g. lists
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
- B27N7/005—Coating boards, e.g. with a finishing or decorating layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/0009—Cutting out
- B29C2793/0018—Cutting out for making a hole
Definitions
- the invention relates to a method for producing a workpiece, the workpiece being made, in particular at least in sections, from wood or a wood material, such as chipboard or fiberboard (MDE, HDF).
- a processing and handling system is also provided.
- the current value-added processes in the processing of workpieces for the furniture industry (living room, bathroom and kitchen furniture) as well as the board industry in general provide for the attachment of a decor to the broad surfaces.
- the raw workpiece large format panel
- the decoration is formed by means of a printing process on the raw workpiece.
- the indirect gravure printing process liquid coating with roller mills
- a strip-shaped coating material also called “edging tape”
- the color of this must be matched to the printed decor, among other things.
- suitable edge band for production on the machines are made available and stored .
- residual materials carrier board, edge bands
- foil-shaped half formats (decor finish foils, i.e. thermoplastic foils made of PVC, PP, PET, laminates, HPL, CPL or also veneers) containing the decoration are bonded with the help of a binder (adhesives: UF or UMF resin glues , PVAc or EVA dispersion adhesives, hot melt adhesives) applied to the carrier board (MDE, HDF, chipboard). Suitable edge bands for production must also be kept available for these processes.
- the object of the invention is to provide a method with which a manufacturing process can be designed to be more flexible and at the same time of high quality.
- a method for producing a panel-shaped workpiece comprising the steps: providing a panel-shaped raw workpiece, in particular a large-format panel, dividing the raw workpiece to form one or more workpieces, applying a strip-shaped coating material to one or more narrow surfaces of at least one Workpiece, and machining of the at least one workpiece.
- at least one wide area is printed in a first digital printing process and at least one narrow area provided with the strip-shaped coating material is printed in a second digital printing process, with the first and second printing processes being carried out after the raw workpiece has been divided up.
- a strip-shaped coating material can in particular be made of a plastic material or comprise a veneer.
- the method according to the invention is characterized in that the wide areas (top and bottom) of the workpiece are printed and the strip-shaped coating material is printed with an (individual) decoration using the digital printing process during the processing of the workpiece obtained from a raw workpiece .
- the variance and complexity is placed at a later point in the manufacturing process , so that individual customer requests are only introduced at this point in time .
- Drilling as an example of machining can be protected from subsequent external influences, such as moisture, moisture and the like, by the printing that is then carried out as part of the digital printing process. other damage during transport, storage and final use by the end customer.
- this approach reduces the visibility of the effects of machining, such as drilled holes, and thus improves the overall appearance of the workpiece.
- the method according to the invention also has the advantage that the decoration of the broad surface(s) and the narrow surface(s) match. Furthermore, individual customer requirements can be met without increasing the variance of the workpiece or the strip-shaped coating materials. This leads to a reduction in complexity in the production process and in material handling.
- the stock of residual materials can be significantly reduced, since only uni-colored workpieces and/or uni-colored, strip-shaped coating materials have to be kept on hand. This reduces the general organizational effort and customer requests can be served without longer delivery times and, if necessary, changed at short notice.
- the quality of the workpieces is achieved by coating and sealing the machined sections (especially drill holes).
- a digital print, digital printing process or digital printing process the following steps can be carried out, preferably in the order mentioned: applying a primer/adhesive base to the surface to be printed to produce and/or improve the adhesive properties, printing a surface using a digital printer, in particular an Inkj et printing device, and sealing / protecting zen / finishing the then already printed surface with a coating to protect against external influences such.
- the last-mentioned coatings can be applied by means of a rolling or spray painting process or an inkjet process.
- an optically and/or haptically perceptible surface is provided in the course of the first and second digital printing process.
- the digital printing device can be set up to print a surface with a graphic pattern, image, or the like and, if necessary. to be additionally provided with a structured surface/a haptically perceptible structure.
- the method can also include the step of finalizing the production, in particular the assembly of add-on parts on the workpiece, packaging the workpiece and/or preparing the workpiece for shipping.
- first and the second digital printing process are carried out between two of the aforementioned steps, in particular one after the other or in parallel.
- the first digital printing process in the course of which a wide area of a workpiece is printed, is carried out during or after the second digital printing process. This means that extremely precise printing can be carried out. Even if overspray were to occur when printing the narrow surface of the workpiece, the resulting contamination on the wide surface can be corrected by printing in the course of the first digital printing process. This is particularly advantageous since the wide area is often the main visible side.
- the raw workpiece is divided up with a saw. In this way, a high throughput can be guaranteed with little loss of material. After dividing the raw workpiece into several workpieces, these can be separated before further processing. Furthermore, it is preferred that the step of machining includes the introduction of a bore, in particular in a broad surface and/or narrow surface of the workpiece.
- the first and second digital printing processes can be performed after the step of applying the coating material. In this way, the printing processes are placed at a relatively late stage in the manufacturing process, so that a high degree of flexibility is guaranteed.
- the application of strip-shaped coating materials takes place in several passes. This reduces the complexity of a corresponding coating device.
- the first digital printing process and the second digital printing process are carried out after the step of machining the at least one workpiece. This means that the sections to be machined, in particular the bore(s) that have already been drilled, can be closed and sealed by the surface finishing of the digital printing process.
- the steps are performed along a conveyor line.
- the stations at which the aforementioned steps are carried out can be connected by means of transport devices.
- the invention also provides a processing and handling system that is set up in particular to carry out the method according to one of the aspects mentioned above.
- the processing and handling system includes a device for applying a strip-shaped coating material on one or more narrow surfaces of the at least one workpiece, a device for carrying out a machining operation on the at least one workpiece, and a first digital printing device for carrying out a first digital printing process for printing a wide area and a second digital printing device for carrying out a second digital printing process on one with the strip-shaped coating material provided narrow surface of the workpiece.
- the device for applying a strip-shaped coating material and the device for carrying out a machining operation are arranged one after the other in a throughput direction, preferably in the order mentioned.
- the first digital printing device and the second digital printing device are set up to provide a surface that can be perceived optically and/or haptically.
- a graphic pattern, an image or the like and possibly. a structured surface can be printed.
- FIG. 1 shows a method sequence according to a first embodiment of the invention.
- Fig. 2 shows a method sequence according to a second embodiment of the invention.
- Fig. 3 shows a method sequence according to a third embodiment of the invention.
- Fig. 4 shows a method sequence according to a fourth embodiment of the invention.
- Fig. 1 shows a method sequence according to a first embodiment.
- a workpiece is produced from a plate-shaped raw workpiece and this workpiece is prepared for shipping.
- a processing and handling system is used, with which the plate-shaped raw workpiece can be moved, divided into workpieces and the workpieces can then be processed.
- the processing and handling system can be formed by stations connected by means of transport routes, or a workpiece can be conveyed from station to station via a conveyor mechanism , such as a trolley, a crane or a robot.
- the raw workpiece or the workpieces obtained from a raw workpiece are in particular made of wood or wooden materials, such as kitchen worktops, furniture fronts, shelves, floors or the like.
- it can be one Workpiece made of a wood material is chipboard or fibreboard (MDE, HDF, etc.).
- MDE chipboard or fibreboard
- the panel-shaped workpieces have two wide surfaces (top and bottom) and several narrow surfaces. In this case, there are four narrow surfaces in the case of a right-angled workpiece.
- a raw workpiece is provided (step S1), which is supplied to the processing and handling system as a semi-finished product.
- the raw workpiece can be provided from a panel storage facility, with raw workpieces being stacked at a feed section of the processing and handling system and individually fed to the processing and handling system.
- One or more workpieces are removed from this raw workpiece by using a dividing device (step S2), which are then fed to further processing.
- the dividing device can be a panel dividing saw.
- a strip-shaped coating material (also called “edge band”) is applied to the respective narrow surfaces of the workpiece in a further work step (step S3).
- the coating materials can be applied to the various narrow surfaces of the workpiece in one or more passes.
- machining in particular drilling and/or milling, is carried out on the workpiece (step S4).
- drill holes are formed for the assembly of attachment parts, such as hinges, or for attachment to another workpiece. At least one of the boreholes has an opening in the broad face or narrow face of the workpiece.
- a first digital printing process D1 (hereinafter also simply referred to as the first “printing process”) and a second digital printing process D2 (hereinafter also referred to simply as the second “printing process”) are carried out using a respective inkjet printing device.
- the wide areas of the workpiece are printed (top and bottom of the workpiece).
- Such printing by means of an inkjet printing device can take place over the entire area, with the printing area being set in such a way as to avoid so-called overspray in the edge area of the broad area.
- An optically and/or haptically perceptible surface is provided with a printing process.
- the narrow surfaces of the plate-shaped workpiece are printed. It is particularly preferred that the second printing operation D2, with which the narrow surface is printed, is carried out before the first printing operation (printing of the wide surface). A surface that can be perceived optically and/or haptically is also provided in the course of the second printing process.
- At least the narrow surfaces aligned in one direction of passage can be printed in one passage.
- the narrow surfaces aligned transversely to the throughput direction i.e. the front and rear narrow surface in the case of a right-angled workpiece, can be processed in one be printed in a further pass after the workpiece has been rotated about an axis running in the vertical direction.
- step S5 This completes the production.
- Fig. 2 shows a method according to a second embodiment, which, similar to the method according to the first embodiment, involves providing a raw workpiece (step S1'), dividing the raw workpiece (step S2'), applying a coating material (step S3') and machining (step S4').
- the machining of the workpiece (step S4') is followed by the step of assembling, packaging and shipping the workpiece (step S5').
- a first printing operation Dl' and a second printing operation D2' are also carried out with a respective inkjet printing device, with the first printing operation Dl' covering the wide areas and the second printing operation D2' covering the narrow areas of the Workpiece are printed.
- the second printing process D2' can be carried out before, during or after the first printing process D1'.
- Fig. 3 shows a method according to a third embodiment, which similar to the method according to the first or second embodiment form providing a raw workpiece (step Sl ''), dividing the raw workpiece (step S2 ''), an application a coating material (step S3'') and machining (step S4''). After the machining (step S4''), the workpiece is assembled, packaged and shipped (step S5'').
- a first printing process D1'' and a second printing process D2'' are carried out with a respective ink et printing device, with the first printing process D1'' being used for the broad areas and the second printing process D2'' for the Narrow surfaces of the workpiece are printed.
- the first printing process D1'' is carried out after the raw workpiece has been divided (step S2''), but before a coating material is applied (step S3'').
- the second printing process D2'' is carried out after the machining (step S4'') and before step S5''.
- step S4 shows a method according to a fourth embodiment, the method according to a fourth embodiment, similar to the method according to the first to third embodiments, including providing a raw workpiece (step S1''), dividing of the raw workpiece (step S2''), an application of a coating material (step S3'') and machining (step S4'''). After the machining (step S4''), the workpiece is assembled, packaged and shipped (step S5'').
- a first printing process is carried out with a respective inkjet printing device Dl '''and a second printing operation D2 '''carried out, with the first printing operation Dl '''the broad surfaces and with the second printing operation D2 '''the narrow surfaces of the workpiece are printed.
- the first printing process D1''' is carried out before the second printing process D2'''.
- the first printing process D1''' takes place after the raw workpiece has been divided up (step S2''') and before a coating material is applied (step S3''').
- the second printing process D2''' is performed after application of a coating material (step S3'') and before machining (step S4'').
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021133043.2A DE102021133043A1 (de) | 2021-12-14 | 2021-12-14 | Verfahren zum Herstellen eines Werkstücks |
| PCT/EP2022/085541 WO2023110827A1 (de) | 2021-12-14 | 2022-12-13 | Verfahren zum herstellen eines werkstücks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4448298A1 true EP4448298A1 (de) | 2024-10-23 |
Family
ID=84829821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22838664.5A Withdrawn EP4448298A1 (de) | 2021-12-14 | 2022-12-13 | Verfahren zum herstellen eines werkstücks |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20250058581A1 (de) |
| EP (1) | EP4448298A1 (de) |
| CN (1) | CN118354909A (de) |
| DE (1) | DE102021133043A1 (de) |
| WO (1) | WO2023110827A1 (de) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10031030B4 (de) | 2000-06-26 | 2005-08-04 | Bauer, Jörg R. | Verfahren und Vorrichtung zum Herstellen flächiger Bauteile mit vorbestimmtem Oberflächenaussehen und flächiges Bauteil, insbesondere Frontplatte eines Küchenelements |
| BE1016846A3 (nl) * | 2005-11-09 | 2007-08-07 | Flooring Ind Ltd | Vloerbekleding, vloerpanelen en werkwijze voor het vervaardigen van vloerpanelen. |
| ATE552990T1 (de) * | 2008-04-29 | 2012-04-15 | Flooring Ind Ltd Sarl | Bodenpaneel, verfahren zur herstellung von bodenpaneelen und transferfolie |
| EP2243619B2 (de) | 2009-04-22 | 2022-03-16 | Homag Holzbearbeitungssysteme AG | Vorrichtung und Verfahren zum Beschichten von Werkstücken |
| DE102015219108A1 (de) * | 2015-10-02 | 2017-04-06 | Homag Gmbh | Verfahren sowie Vorrichtung zur Schmalflächenbeschichtung |
| DE102015219102A1 (de) | 2015-10-02 | 2017-04-06 | Homag Gmbh | Verfahren zum Beschichten eines bevorzugt plattenförmigen Werkstücks |
| EP3798813A1 (de) * | 2019-09-24 | 2021-03-31 | Jesús Francisco Barberan Latorre | Verfahren zum dekorieren eines substrats und so dekoriertes substrat |
-
2021
- 2021-12-14 DE DE102021133043.2A patent/DE102021133043A1/de active Pending
-
2022
- 2022-12-13 US US18/719,241 patent/US20250058581A1/en active Pending
- 2022-12-13 WO PCT/EP2022/085541 patent/WO2023110827A1/de not_active Ceased
- 2022-12-13 EP EP22838664.5A patent/EP4448298A1/de not_active Withdrawn
- 2022-12-13 CN CN202280081391.7A patent/CN118354909A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20250058581A1 (en) | 2025-02-20 |
| CN118354909A (zh) | 2024-07-16 |
| WO2023110827A1 (de) | 2023-06-22 |
| DE102021133043A1 (de) | 2023-06-15 |
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