EP1040916A1 - Verfahren und Vorrichtung eines Druckwerkzeugs - Google Patents
Verfahren und Vorrichtung eines Druckwerkzeugs Download PDFInfo
- Publication number
- EP1040916A1 EP1040916A1 EP00106488A EP00106488A EP1040916A1 EP 1040916 A1 EP1040916 A1 EP 1040916A1 EP 00106488 A EP00106488 A EP 00106488A EP 00106488 A EP00106488 A EP 00106488A EP 1040916 A1 EP1040916 A1 EP 1040916A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- workpiece
- mask
- nozzles
- wax
- printing
- 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.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/02—Engraving; Heads therefor
- B41C1/025—Engraving; Heads therefor characterised by means for the liquid etching of substrates for the manufacturing of relief or intaglio printing forms, already provided with resist pattern
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
- B41C1/147—Forme preparation for stencil-printing or silk-screen printing by imagewise deposition of a liquid, e.g. from an ink jet; Chemical perforation by the hardening or solubilizing of the ink impervious coating or sheet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
Definitions
- the invention relates to a method and a Device for producing a printing tool in the process a mask for sections chemical passivation to the surface of a machining workpiece is applied and that with the Masked workpiece of a chemical Undergoes surface treatment.
- Such methods and corresponding devices are from the prior art for production various printing tools known.
- etched gravure forms or Embossing printing forms and electroplated Screen printing forms are from the prior art for production various printing tools known.
- a printing tool becomes the workpiece which, for example, in the case of a gravure form of an untreated gravure cylinder is formed, a chemical surface treatment, at a Gravure form subjected to surface etching.
- the surface etching the known method for producing a printing tool the areas of the printing form that this Surface treatment should not be subjected to covered by a mask. This mask passivates the surface sections of the Workpieces chemically, i.e. the covered areas of the Are made by chemical Surface processing not achieved.
- the reproducibility of the mask application is especially with embossing, which is high Imaging accuracy required, of particular importance.
- embossing three-dimensional processing is used of the paper surface structures with relatively large and different height differences on the printing form manufactured.
- the printing form is etched several times and also covered several times by a mask.
- the masks applied one after the other can be relative do not position each other with sufficient accuracy to the to ensure the desired imaging accuracy.
- the mask is at least essentially made of wax and the wax is computer-supported in sections on the workpiece is sprayed on in a punctiform manner from several nozzles.
- the invention is therefore on the surface of the A mask made of wax at points, according to Art known inkjet printer applied.
- Methods according to the invention can be printing tools, in particular printing forms of any shape, in particular Edit printing plates and printing cylinders.
- waxes are resistant to most acids and also low electrical conductivity have and are at the same time water-repellent they are used for the chemical passivation of surfaces both for surface etching and galvanic Surface coating.
- the computer-aided spraying of the Wax on the surface of the workpiece enables the drive technology available today for this required printheads a very high reproducibility in making the mask and the highest possible Flexibility, because of the computer-assisted spraying any form of the mask stored in the computer system can be chosen and sprayed on.
- Apply the mask to the skin in a single operation Surface of the workpiece to be machined applied can be.
- Is used as a workpiece with the inventive method a die for a galvanic coating for Generation of a printing tool processed, so can with the method according to the invention, for example Manufacture screen printing forms.
- the method according to the invention is particularly advantageous by a special procedure for spraying the Wax is designed on the workpiece where the nozzles arranged side by side in the direction of an X axis the nozzles and the workpiece are relative move towards each other in the direction of a Y axis, the nozzles functional to groups of at least one nozzle each be summarized, the nozzles and the workpiece after machining the tool in the direction of the Y axis relative to a new position with respect to the X axis move towards each other in the direction of the X axis and the Increment of movement in the direction of the X axis of the Group width minus or plus the distance of neighboring nozzles divided by the number of groups corresponds.
- the wax layer the workpiece for example, during the rotation of a cylindrical workpiece applied in that the the print head having nozzles after each revolution of the Workpiece is pushed so far that the to the each previous group adjacent group at the following rotation of the workpiece at maximum Resolution right next to that of the previous group the previous revolution applied wax points, the adjoining wax points.
- This embodiment of the method according to the invention deviates, for example, from the known method Production of an inkjet printed image.
- Advantage of described configuration is in particular that the Distances between the nozzles chosen to be significantly larger than the maximum resolution for the Case specified for which when the Printhead on the workpiece with the complete graphics maximum resolution would be transmitted.
- This described embodiment of the invention is further improved in that the in Direction to move along the X axis last Group from one nozzle less than the remaining Groups is formed. Because the last nozzle of the last group is omitted, it is ensured that no Wax point twice on the surface of the machining workpiece is sprayed on. Hereby the resolution is evened out on the workpiece applied layer of wax.
- a device known from the prior art for Production of a printing tool with a holder for a workpiece and a device for applying a Mask for section-wise chemical passivation of the Surface of the workpiece is according to the invention, especially for realizing the previously described further developed method in that the mask consists at least essentially of wax, the device for applying the mask of a computer control has and the device for application a mask has at least one print head with several nozzles for spraying the wax onto the spot Workpiece.
- This device according to the invention ensures the achievement of the in view of the Advantages described method according to the invention.
- FIG. 1a shows a section of a workpiece 1 a surface to be machined 2 and one on the Surface 2 arranged mask made of wax 3 in average.
- the mask 3 covers the surface 2 of the workpiece 1 only in sections.
- the non - binding sections of the Surface 2 of the workpiece 1 are after application of the Mask 2, for example, as shown in Fig. 1b) galvanically coated. With this galvanic Coating will be on the uncovered sections a metal 4 deposited on the surface 2.
- the surface 2 can also be processed by etching are (see Fig. 1c)). During this etching process the surface 2 in those not covered by the mask 3 Sections lowered.
- the invention is suitable Method in which a mask 3 made of wax on the Surface 2 of a workpiece 1 is deposited, both for surface processing by etching as well electroplating.
- FIG. 2 is an embodiment of a device for the production of a printing tool with a holder 5 for a gravure roller 6 and a print head 7 for Apply a mask, not shown here Sectional chemical passivation of the surface the gravure roller 6 shown.
- a mask not shown here Sectional chemical passivation of the surface the gravure roller 6 shown.
- the device shown one not here shown mask made of wax on the surface of the Gravure roller 6 applied.
- a computer 8 for example a conventional one Personal computer on.
- the gravure roller 6 is on the receptacle 5 via a Shaft 9 mounted.
- the print head 7 is also on the Recording 5 stored on two guide rails 10.
- the Computer 8 controls the rotation of the gravure roll 6, the Movement of the print head 7 and the control of the in 2 nozzles of the print head 7, not shown such that one on the gravure roller 6 is not here shown mask made of wax accordingly in the computer 8 available graphical data is plotted.
- a view of the print head 7 of the embodiment is from the direction of the gravure roller 6 in FIG. 3 shown. It can be seen that the print head 7 a Row 11, from in the enlarged detail in Fig. 3rd nozzle 12 shown more clearly. About these The print head 7 injects liquid wax onto the nozzles 12 Surface of the gravure roll 6, where this through the Cooling down very quickly due to heat conduction stiffens. The distances d between the individual nozzles 12 are larger than it actually is at the maximum guaranteed resolution would be possible.
- Embodiment of a device according to the invention is ensured by the fact that a special procedure to control the nozzles during printing is coming. With this process, the nozzles become functional into groups of, for example, as shown in Fig. 3, four nozzles combined. The control of these nozzles now takes place according to that illustrated in FIG. 4 Method.
Abstract
Description
- Fig. 1a)-c)
- einen Schnitt, teilweise vergrößert, durch die Oberfläche eines mit dem erfindungsgemäßen Verfahren zur Herstellung eines Druckwerkzeugs zu bearbeitenden Werkstücks,
- Fig. 2
- ein Ausführungsbeispiel einer erfindungsgemäßen Vorrichtung zur Herstellung eines Druckwerkzeugs,
- Fig. 3
- eine Ansicht eines Druckkopfs des Ausführungsbeipiels einer erfindungsgemäßen Vorrichtung zur Herstellung eines Druckwerkzeugs und
- Fig. 4
- eine Darstellung einer Ausgestaltung des erfindungsgemäßen Verfahrens zur Herstellung eines Druckwerkzeugs.
Claims (7)
- Verfahren zur Herstellung eines Druckwerkzeugs bei welchem eine Maske zur abschnittsweisen chemischen Passivierung auf die Oberfläche eines zu bearbeitenden Werkstücks aufgebracht wird und das mit der Maske versehene Werkstück einer chemischen Oberflächenbearbeitung unterzogen wird,
dadurch gekennzeichnet, daß die Maske zumindest im wesentlichen aus Wachs hergestellt wird und das Wachs EDV-gestützt abschnittsweise auf das Werkstück aus mehreren Düsen jeweils punktförmig aufgespritzt wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß zur chemischen Oberflächenbearbeitung eine Ätztechnik eingesetzt wird. - Verfahren nach Anspruch 2,
dadurch gekennzeichnet, daß als Werkstück eine Druckform für den Tiefdruck oder den Prägedruck bearbeitet wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß als Werkstück eine Matrize für eine galvanische Beschichtung zur Erzeugung eines Druckwerkzeugs bearbeitet wird. - Verfahren nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß die Düsen nebeneinander in Richtung einer X-Achse angeordnet werden, sich die Düsen und das Werkstück relativ zueinander in Richtung einer Y-Achse bewegen, die Düsen funktional zu Gruppen von jeweils mindestens einer Düse zusammengefaßt werden, sich die Düsen und das Werkstück nach der Bearbeitung des Werkstücks in Richtung der Y-Achse an eine neue Position bezüglich der X-Achse relativ zueinander in Richtung der X-Achse bewegen und die Schrittweite der Bewegung in Richtung der X-Achse der Gruppenbreite abzüglich oder zuzüglich des Abstands von benachbarten Düsen dividiert durch die Anzahl der Gruppen entspricht. - Verfahren nach Anspruch 5,
dadurch gekennzeichnet, daß die in Richtung auf die Bewegung entlang der X-Achse letzte Gruppe aus einer Düse weniger als die verbleibenden Gruppen gebildet wird. - Vorrichtung zur Herstellung eines Druckwerkzeugs mit einer Aufnahme (5) für ein Werkstück (1,6) und einer Einrichtung (7) zum Aufbringen einer Maske (3) zur abschnittsweisen chemischem Passivierung der Oberfläche (2) des Werkstücks (1,6) insbesondere zur Verwirklichung eines Verfahrens nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß die Maske (3) zumindest im wesentlichen aus Wachs besteht, die Einrichtung zum Aufbringen der Maske (3) eine EDV-Steuerung (8) aufweist und die Einrichtung zum Aufbringen der Maske (3) mindestens einen Druckkopf (7) mit mehreren Düsen (12) zum punktförmigen Aufspritzen des Wachses auf das Werkstück (1,6) aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19914323 | 1999-03-30 | ||
DE19914323A DE19914323A1 (de) | 1999-03-30 | 1999-03-30 | Verfahren und Vorrichtung zur Herstellung eines Druckwerkzeugs |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1040916A1 true EP1040916A1 (de) | 2000-10-04 |
EP1040916B1 EP1040916B1 (de) | 2004-12-22 |
Family
ID=7902885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00106488A Revoked EP1040916B1 (de) | 1999-03-30 | 2000-03-25 | Verfahren und Vorrichtung eines Druckwerkzeugs |
Country Status (4)
Country | Link |
---|---|
US (1) | US6565761B1 (de) |
EP (1) | EP1040916B1 (de) |
AT (1) | ATE285327T1 (de) |
DE (2) | DE19914323A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7033516B2 (en) | 2001-04-19 | 2006-04-25 | Xerox Corporation | Inexpensive fabrication of large-area pixel arrays for displays and sensors |
EP3205499A1 (de) * | 2016-02-10 | 2017-08-16 | AKK GmbH | Verfahren zum strukturieren einer oberfläche einer tiefdruckform |
CN112877682A (zh) * | 2021-02-26 | 2021-06-01 | 刘朝彩 | 一种机械生产制造用的钝化装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10063819B4 (de) | 2000-12-21 | 2006-02-02 | Man Roland Druckmaschinen Ag | Maskenerstellung zur Herstellung einer Druckform |
DE602005018165D1 (de) * | 2004-12-23 | 2010-01-21 | Flooring Ind Ltd | Schichtförmiges Bodenpaneel |
US20080236431A1 (en) | 2007-03-28 | 2008-10-02 | Pergo (Europe) Ab | Process for Color Variability in Printing to Simulate Color Variation of Natural Product |
WO2009087440A2 (en) * | 2008-01-09 | 2009-07-16 | Flooring Industries Limited, Sarl | Floor covering, formed from floor panels and method for manufacturing such floor panels |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5495803A (en) * | 1994-07-25 | 1996-03-05 | Gerber Scientific Products, Inc. | Method of forming a photomask for a printing plate with an ink jet |
EP0885718A2 (de) * | 1997-06-17 | 1998-12-23 | Kissel & Wolf GmbH | Verfahren zur Herstellung einer Siebdruckform und Vorrichtung zur Durchführung des Verfahrens |
US5852975A (en) * | 1995-08-29 | 1998-12-29 | Kimoto Co., Ltd. | Method for making lithographic plates using an ink-jet printer |
EP0913730A1 (de) * | 1997-11-03 | 1999-05-06 | Schablonentechnik Kufstein Aktiengesellschaft | Verfahren zum Herstellen einer Druckform |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3635194A (en) * | 1967-10-31 | 1972-01-18 | Vychem Inc | High-production machine utilizing spray masks |
GB1376748A (en) * | 1971-03-01 | 1974-12-11 | Mullard Ltd | Methods of manufacturing semiconductor devices |
US3887421A (en) * | 1973-01-22 | 1975-06-03 | Gen Motors Corp | Method of masking semiconductor wafers using a self-aligning mask |
US3841261A (en) * | 1973-01-22 | 1974-10-15 | Gen Motors Corp | Self-aligning etch-out spray mask |
US4292104A (en) * | 1979-09-13 | 1981-09-29 | Corning Glass Works | Decalcomania manufacture |
US4640191A (en) * | 1985-08-13 | 1987-02-03 | Bradley Gerald R | Sublimation printing apparatus |
US4767489A (en) * | 1987-03-25 | 1988-08-30 | Pc Proto, Inc. | Computer aided printer-etcher |
US5694852A (en) * | 1990-04-26 | 1997-12-09 | W.R. Chesnut Engineering, Inc. | Rotogravure printing media and methods of manufacturing a rotogravure printing device employing the media |
US5458590A (en) * | 1993-12-20 | 1995-10-17 | Kimberly-Clark Corporation | Ink-printed, low basis weight nonwoven fibrous webs and method |
US5794859A (en) * | 1996-11-27 | 1998-08-18 | Ford Motor Company | Matrix array spray head |
ES2147960T3 (es) * | 1997-08-18 | 2000-10-01 | Schablonentechnik Kufstein Ag | Procedimiento para la fabricacion de una plantilla de serigrafia y dispositivo apropiado para ello. |
-
1999
- 1999-03-30 DE DE19914323A patent/DE19914323A1/de not_active Ceased
-
2000
- 2000-03-25 AT AT00106488T patent/ATE285327T1/de not_active IP Right Cessation
- 2000-03-25 EP EP00106488A patent/EP1040916B1/de not_active Revoked
- 2000-03-25 DE DE50008988T patent/DE50008988D1/de not_active Revoked
- 2000-03-30 US US09/537,713 patent/US6565761B1/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5495803A (en) * | 1994-07-25 | 1996-03-05 | Gerber Scientific Products, Inc. | Method of forming a photomask for a printing plate with an ink jet |
US5852975A (en) * | 1995-08-29 | 1998-12-29 | Kimoto Co., Ltd. | Method for making lithographic plates using an ink-jet printer |
EP0885718A2 (de) * | 1997-06-17 | 1998-12-23 | Kissel & Wolf GmbH | Verfahren zur Herstellung einer Siebdruckform und Vorrichtung zur Durchführung des Verfahrens |
EP0913730A1 (de) * | 1997-11-03 | 1999-05-06 | Schablonentechnik Kufstein Aktiengesellschaft | Verfahren zum Herstellen einer Druckform |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7033516B2 (en) | 2001-04-19 | 2006-04-25 | Xerox Corporation | Inexpensive fabrication of large-area pixel arrays for displays and sensors |
EP1251398A3 (de) * | 2001-04-19 | 2009-09-23 | Xerox Corporation | Verfahren zum Druck von Ätzmasken, das Phasenwechselmaterialien verwendet |
EP3205499A1 (de) * | 2016-02-10 | 2017-08-16 | AKK GmbH | Verfahren zum strukturieren einer oberfläche einer tiefdruckform |
CN112877682A (zh) * | 2021-02-26 | 2021-06-01 | 刘朝彩 | 一种机械生产制造用的钝化装置 |
Also Published As
Publication number | Publication date |
---|---|
DE50008988D1 (de) | 2005-01-27 |
DE19914323A1 (de) | 2000-10-26 |
EP1040916B1 (de) | 2004-12-22 |
ATE285327T1 (de) | 2005-01-15 |
US6565761B1 (en) | 2003-05-20 |
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