EP1410923A1 - Verfahren zur Herstellung einer Druckform für den Tiefdruck - Google Patents
Verfahren zur Herstellung einer Druckform für den Tiefdruck Download PDFInfo
- Publication number
- EP1410923A1 EP1410923A1 EP03017492A EP03017492A EP1410923A1 EP 1410923 A1 EP1410923 A1 EP 1410923A1 EP 03017492 A EP03017492 A EP 03017492A EP 03017492 A EP03017492 A EP 03017492A EP 1410923 A1 EP1410923 A1 EP 1410923A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- engraving
- printing form
- chrome
- layer
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/16—Curved printing plates, especially cylinders
- B41N1/20—Curved printing plates, especially cylinders made of metal or similar inorganic compounds, e.g. plasma coated ceramics, carbides
-
- 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
- B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
- B41C1/05—Heat-generating engraving heads, e.g. laser beam, electron beam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/04—Printing plates or foils; Materials therefor metallic
- B41N1/06—Printing plates or foils; Materials therefor metallic for relief printing or intaglio printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/04—Printing plates or foils; Materials therefor metallic
- B41N1/08—Printing plates or foils; Materials therefor metallic for lithographic printing
- B41N1/10—Printing plates or foils; Materials therefor metallic for lithographic printing multiple
Definitions
- the invention relates to a method for manufacturing a printing form for gravure printing, in particular rotogravure printing, using a laser beam engraving Wells are created in an engraving surface, as well as a printing form for gravure printing, in particular Rotogravure, with an engraving surface for Laser engraving of cells.
- the invention relates to a use a printing form for gravure printing, in particular rotogravure printing, using a laser beam engraving Cups can be produced in an engraving surface.
- Printing forms for gravure printing, also printing cylinders or Engraving cylinders are mainly used in engraving devices by means of a recording organ in the form an engraving device or by means of an electron beam or laser beam.
- a template to be reproduced is provided with a scanning organ scanned point by point and line by line to obtain an image signal to gain what the tonal values of the sampled Represents template.
- the image signal is after the Reproduction needs, for example, according to a given gradation curve, corrected and one Raster signal overlaid for generating the print raster.
- This through the superimposition of image signal and raster signal formed recording signal controls the recording element, which is in the axial direction on the Printing cylinder moved along and a sequence of im Depressions or recesses arranged in the printing grid, Called well, in the outer surface of the printing cylinder engraved. Scanning the template, the one shown above Principle follows, is usually done nowadays only with electronic scanning of the template.
- the image data provided by the scan will be on given a computer in which a program-based Processing and editing is done.
- the computer then delivers the image signals on the basis of which the cells either mechanically and / or using laser engraving in the outer surface of the printing cylinder were formed.
- the depths or volumes of the engraved cells determine the tonal values to be printed between "black” and “white” in the printing terminology too labeled "depth” and "light”.
- the engraved impression cylinder is used for the printing process then clamped in a rotogravure press.
- each cell takes one of volume of ink depending on its volume corresponds to the tonal value to be printed.
- the color is then transferred from the wells to the Media.
- a gravure cylinder commonly used in practice generally consists of a steel core that additionally can be provided with a base copper layer.
- One is on the steel core or the base copper layer further layer of copper electroplated, in which the Cups can be engraved. Copper exhibits its physical and chemical properties are good Engraving properties as well as good ink acceptance and ink delivery properties on which the generation of high quality Support prints.
- the thickness of the galvanic applied copper engraving surface is approx. 100 microns.
- the copper layer to be engraved polished so that the surface with a defined Microroughness is provided. Then using of a diamond stylus in an electromechanical way Information from image and writing to be printed in the Copper surface in the form of a fine cell grid brought in.
- the chrome layer as well as the one underneath the engraved copper layer from the Printing form removed chemically or mechanically. Thereby the printing cylinder is available for a new cycle Production of another printing form available.
- the object of the invention is achieved according to the method in that a chrome layer before the laser beam engraving applied as an engraving surface to the printing form becomes.
- the advantage of the solution according to the invention consists essentially in the fact that instead of the previous engraving surface made of copper, an engraving surface made of chrome or a chrome alloy is used.
- an engraving surface made of chrome or a chrome alloy is used.
- the cells are formed by a melt-like removal.
- the corresponding metal volume has to be heated to the melting temperature by the laser beam and the amount of heat has to be applied to the melt at the phase transition, in order to then drive the melt out of the well in the engraving surface.
- the melting point of copper is approx. 1083 ° C.
- the melting point of chromium is 1890 ° C. From the thermodynamic data for copper and chrome it follows that for melting 1 cm 3 of metal an energy of 5.515 kJ has to be applied for copper and an energy of 8.698 kJ for chrome. The higher efficiency with chromium results from the higher absorption with laser beams depending on the laser radiation used. Overall, the manufacturing process for gravure cylinders is considerably improved and simplified by the solution according to the invention, since the printing form according to the invention achieves a long service life in printing due to the hard properties of chromium. A further reinforcement of the chrome layer, such as copper, is therefore not necessary; so that further treatment processes of the engraving surface after the engraving of the cells are eliminated.
- the printing form can thus be inserted immediately and immediately into the printing machine, specifically after a deburring process which may have preceded it.
- deburring can already be done during laser engraving.
- the production time for the creation of a printing form or a printing cylinder is considerably reduced.
- the chrome layer is applied galvanically.
- the Electroplating is usually done on a cylindrical Steel core, the outer surface of which also includes a base copper layer can be provided.
- Galvanization is on the steel core or on the Base copper layer a layer of chrome or one Chromium alloy with a predetermined thickness e.g. of approx. 25 ⁇ m applied.
- a well-known chrome alloy is the chrome-vanadium alloy.
- the chrome layer with a predetermined roughness, in particular microroughness is provided. Through this surface treatment minor surface defects are eliminated.
- the roughness is preferably by means of polishing and / or loops generated.
- the printing form is placed in a printing press, in particular rotary printing press inserted to Print media.
- a printing press in particular rotary printing press inserted to Print media.
- To the printing form after the To be able to use pressure again is after printing the chrome layer from the printing form at least partially removed so that the printing form, especially the printing cylinder, for a new production cycle of the printing form is available several times.
- the removal of the Chrome layer can be applied to chemical or done mechanically.
- the object is further achieved by a printing form for gravure, especially rotogravure, with an engraving surface for laser steel engraving of cells, which is available through execution at least a method step of that described above Process.
- a printing form for gravure especially rotogravure
- an engraving surface for laser steel engraving of cells which is available through execution at least a method step of that described above Process.
- the chrome layer is galvanically applied to the Printing form applied.
- the chrome layer with a predetermined roughness is provided.
- the roughness is by means of Polishing and / or grinding generated.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
Description
Claims (14)
- Verfahren zur Herstellung einer Druckform für den Tiefdruck, insbesondere für den Rotationstiefdruck, wobei mittels einer Laserstrahlgravur Näpfchen in einer Gravieroberfläche erzeugt werden, dadurch gekennzeichnet, daß vor der Laserstrahlgravur eine Chromschicht als Gravieroberfläche auf die Druckform aufgebracht wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Chromschicht galvanisch aufgebracht wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Chromschicht mit einer vorbestimmten Rauhigkeit, insbesondere Mikrorauhigkeit, versehen wird.
- Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß die Rauhigkeit mittels Polieren oder Schleifen erzeugt wird.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß nach der Laserstrahlgravur die Druckform in eine Druckmaschine, insbesondere Rotationsdruckmaschine, eingelegt wird.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß nach dem Druck mittels der Druckform die Chromschicht von der Druckform entfernt wird.
- Verfahren nach einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß mit einer Mehrzahl von Laserstrahlen gleichzeitig und/oder hintereinander der Graviervorgang ausgeführt wird.
- Druckform für den Tiefdruck; insbesondere Rotationstiefdruck, mit einer Gravieroberfläche zur Laserstrahlgravur von Näpfchen, erhältlich durch Ausführung des Verfahrens nach einem oder mehreren der Ansprüche 1 bis 6.
- Verwendung einer Druckform für den Tiefdruck, insbesondere Rotationstiefdruck, wobei mittels einer Laserstrahlgravur Näpfchen in einer Gravieroberfläche erzeugt werden, daurch gekennzeichnet, daß eine Chromschicht als Gravieroberfläche ausgebildet ist.
- Verwendung einer Druckform nach Anspruch 9, dadurch gekennzeichnet, daß die Chromschicht galvanisch auf die Druckschicht aufgebracht wird.
- Verwendung einer Druckform nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß die Chromschicht mit einer vorbestimmten Rauhigkeit, insbesondere Mikrorauhigkeit, versehen wird.
- Verwendung nach Anspruch 11, dadurch gekennzeichnet, daß die Rauhigkeit mittels Polieren und/oder Schleifen erzeugt wird.
- Verwendung einer Druckform nach einem oder mehreren der Ansprüche 9 bis 12, dadurch gekennzeichnet, daß nach der Gravur die Druckform in eine Druckmaschine, insbesondere Rotationsdruckmaschine, eingelegt wird.
- Verwendung einer Druckform nach einem oder mehreren der Ansprüche 9 bis 13, dadurch gekennzeichnet, daß nach dem Druck mittels der Druckform die Chromschicht von der Druckform wenigstens teilweise entfernt wird.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10248602 | 2002-10-17 | ||
DE10248602 | 2002-10-17 | ||
DE10324327A DE10324327A1 (de) | 2002-10-17 | 2003-05-27 | Verfahren zur Herstellung einer Druckform für den Tiefdruck |
DE10324327 | 2003-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1410923A1 true EP1410923A1 (de) | 2004-04-21 |
EP1410923B1 EP1410923B1 (de) | 2006-08-09 |
Family
ID=32043973
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03017492A Expired - Lifetime EP1410923B1 (de) | 2002-10-17 | 2003-08-02 | Verfahren zur Herstellung einer Druckform für den Tiefdruck |
EP03020399A Withdrawn EP1410924A1 (de) | 2002-10-17 | 2003-09-10 | Verfahren zur Herstellung einer Druckform für den Tiefdruck, Druckform für den Tiefdruck und ihre Verwendung |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03020399A Withdrawn EP1410924A1 (de) | 2002-10-17 | 2003-09-10 | Verfahren zur Herstellung einer Druckform für den Tiefdruck, Druckform für den Tiefdruck und ihre Verwendung |
Country Status (6)
Country | Link |
---|---|
US (2) | US20040129152A1 (de) |
EP (2) | EP1410923B1 (de) |
JP (1) | JP2004136660A (de) |
CN (1) | CN1491794A (de) |
CA (1) | CA2442247A1 (de) |
DE (1) | DE50304555D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102514355A (zh) * | 2011-11-25 | 2012-06-27 | 郑州运城制版有限公司 | 电镀电雕制作防伪版的方法 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004136674A (ja) * | 2002-10-17 | 2004-05-13 | Hell Gravure Systems Gmbh | 凹版印刷に用いられる印刷版を製造するための方法、凹版印刷に用いられる印刷版およびその使用 |
CN1326692C (zh) * | 2004-07-01 | 2007-07-18 | 深圳市光韵达实业有限公司 | 一种镀镍金属印刷模板及其制造方法 |
EP1990208A1 (de) * | 2007-05-10 | 2008-11-12 | Kba-Giori S.A. | Vorrichtung und Verfahren zum magnetischen Übertragen von Markierungen auf eine auf ein Substrat aufgetragene Beschichtungszusammensetzung |
DE102007044653A1 (de) | 2007-09-18 | 2009-03-19 | Hell Gravure Systems Gmbh & Co. Kg | Verfahren, Vorrichtung und Tiefdruckform zur direkten Lasergravur |
DE102008015162B3 (de) * | 2008-03-20 | 2009-10-15 | Hell Gravure Systems Gmbh & Co. Kg | Verfahren und Vorrichtung zur Bearbeitung von Tiefdruckzylindern |
EP2119527A1 (de) * | 2008-05-16 | 2009-11-18 | Kba-Giori S.A. | Verfahren und System zur Herstellung von Triefdruckplatten für die Herstellung von Wertzeichenpapieren |
DE102008035203B4 (de) | 2008-07-28 | 2011-01-27 | Leibniz-Institut für Oberflächenmodifizierung e.V. | Verfahren zum Löschen und Neubebildern eines Druckzylinders |
US9993982B2 (en) | 2011-07-13 | 2018-06-12 | Nuvotronics, Inc. | Methods of fabricating electronic and mechanical structures |
KR101659772B1 (ko) * | 2012-02-07 | 2016-09-26 | 가부시키가이샤 씽크. 라보라토리 | 그라비아 제판 롤의 페이퍼 연마 방법 및 페이퍼 연마 장치 |
CN104260575B (zh) * | 2014-09-23 | 2017-03-29 | 北京中融安全印务公司 | 一种用于印码机的凸印版及其加工方法 |
TR201617415A2 (tr) | 2016-11-29 | 2017-03-21 | Bak Gravuer Teknolojisi Sanayi Ve Ticaret Anonim Sirketi | Baski si̇li̇ndi̇ri̇ne sahi̇p rotogravür terti̇bati |
JP7009742B2 (ja) * | 2017-01-20 | 2022-01-26 | 凸版印刷株式会社 | 化粧シートの製造方法、化粧シート、及び化粧板 |
DE102020205495B4 (de) * | 2020-04-30 | 2023-03-09 | STOMA Gesellschaft mit beschränkter Haftung Maschinen und Geräte für die graphische Industrie. | Druckform, insbesondere Reliefdruckplatte, sowie Verfahren zur Herstellung derselbigen |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3035714A1 (de) | 1979-09-26 | 1981-04-16 | Dai Nippon Insatsu K.K., Tokyo | Verfahren zur herstellung einer tiefdruckplatte |
EP0446762A2 (de) * | 1990-03-15 | 1991-09-18 | Wolfgang Hüttl | Verfahren zum Herstellen von gravierten Walzen oder Platten |
EP0473973A1 (de) | 1990-09-04 | 1992-03-11 | MDC Max Dätwyler Bleienbach AG | Verfahren zum Bearbeiten von Tiefdruckformen |
DE4212582A1 (de) * | 1992-04-15 | 1993-10-21 | Hell Ag Linotype | Verfahren zur Gravur von Druckformen sowie Druckform zur Durchführung des Verfahrens |
WO2002040272A1 (de) * | 2000-11-15 | 2002-05-23 | Mdc Max Daetwyler Ag | Verfahren zur herstellung von rasternäpfchen in einer tiefdruckform und in dem verfahren verwendbarer grundkörper |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB401579A (en) * | 1932-04-16 | 1933-11-16 | Aluminum Colors Inc | Improvements in or relating to printing plates particularly for intaglio printing |
US3665286A (en) * | 1970-09-29 | 1972-05-23 | Mitsubishi Electric Corp | Direct current power control system |
US4029013A (en) * | 1975-04-07 | 1977-06-14 | Gravure Research Institute, Inc. | Wrap around gravure printing apparatus |
GB2087796B (en) * | 1980-11-19 | 1984-11-28 | Crosfield Elelctronics Ltd | Improvements relating to printing members |
JPS57189852A (en) * | 1981-05-18 | 1982-11-22 | Toppan Printing Co Ltd | Production of gravure plate |
GB2198085B (en) * | 1986-11-29 | 1991-02-13 | Stc Plc | Printing apparatus and process |
US5221562A (en) * | 1989-05-02 | 1993-06-22 | Praxair S.T. Technology, Inc. | Liquid transfer articles and method for producing them |
US5252360A (en) * | 1990-03-15 | 1993-10-12 | Huettl Wolfgang | Process for the protection of an engraved roll or plate by coating an engraved surface with an interlayer and thereafter applying a wear-resistant layer to the interlayer by PVD |
US5143578A (en) * | 1990-08-07 | 1992-09-01 | Union Carbide Coatings Service Technology Corporation | Method for engraving solid articles with laser beams |
DE4228596A1 (de) * | 1992-08-27 | 1994-03-03 | Metallgesellschaft Ag | Tiefdruckzylinder |
DE19516883A1 (de) * | 1994-05-13 | 1995-11-16 | Merck Patent Gmbh | Tiefdruckform |
WO1996002390A1 (de) * | 1994-07-14 | 1996-02-01 | Koenig & Bauer-Albert Aktiengesellschaft | Druckwerk mit kurzfarbwerk einer rotationsdruckmaschine für direktdruck mittels einer 'wasserlosen' flachdruckplatte |
US6228463B1 (en) * | 1997-02-20 | 2001-05-08 | Mannington Mills, Inc. | Contrasting gloss surface coverings optionally containing dispersed wear-resistant particles and methods of making the same |
US6113472A (en) * | 1997-02-28 | 2000-09-05 | Rosa; Valerio | Method and an apparatus for polishing a roller and for removing the chromium plating thereof |
DE60136602D1 (de) * | 2000-09-18 | 2009-01-02 | Mccomas Technologies Ag | Verfahren und Vorrichtung zur Herstellung von Tiefdruckzylindern |
US6530317B2 (en) * | 2000-12-05 | 2003-03-11 | Creo Srl | Method to engrave surface using particle beam |
DE10127908A1 (de) * | 2001-06-08 | 2002-12-19 | Roland Man Druckmasch | Verfahren zur Herstellung einer chemikalienbeständigen Schutzschicht für Rotationskörper mit einem Grundkörper aus faserverstärktem Kunststoff und andere Rotationskörper |
-
2003
- 2003-08-02 EP EP03017492A patent/EP1410923B1/de not_active Expired - Lifetime
- 2003-08-02 DE DE50304555T patent/DE50304555D1/de not_active Expired - Fee Related
- 2003-08-26 JP JP2003301643A patent/JP2004136660A/ja active Pending
- 2003-09-02 CN CNA031557880A patent/CN1491794A/zh active Pending
- 2003-09-10 EP EP03020399A patent/EP1410924A1/de not_active Withdrawn
- 2003-09-22 US US10/667,822 patent/US20040129152A1/en not_active Abandoned
- 2003-09-23 CA CA002442247A patent/CA2442247A1/en not_active Abandoned
- 2003-10-07 US US10/680,514 patent/US6877423B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3035714A1 (de) | 1979-09-26 | 1981-04-16 | Dai Nippon Insatsu K.K., Tokyo | Verfahren zur herstellung einer tiefdruckplatte |
EP0446762A2 (de) * | 1990-03-15 | 1991-09-18 | Wolfgang Hüttl | Verfahren zum Herstellen von gravierten Walzen oder Platten |
EP0473973A1 (de) | 1990-09-04 | 1992-03-11 | MDC Max Dätwyler Bleienbach AG | Verfahren zum Bearbeiten von Tiefdruckformen |
DE4212582A1 (de) * | 1992-04-15 | 1993-10-21 | Hell Ag Linotype | Verfahren zur Gravur von Druckformen sowie Druckform zur Durchführung des Verfahrens |
WO2002040272A1 (de) * | 2000-11-15 | 2002-05-23 | Mdc Max Daetwyler Ag | Verfahren zur herstellung von rasternäpfchen in einer tiefdruckform und in dem verfahren verwendbarer grundkörper |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102514355A (zh) * | 2011-11-25 | 2012-06-27 | 郑州运城制版有限公司 | 电镀电雕制作防伪版的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1491794A (zh) | 2004-04-28 |
US6877423B2 (en) | 2005-04-12 |
EP1410923B1 (de) | 2006-08-09 |
US20040129152A1 (en) | 2004-07-08 |
EP1410924A1 (de) | 2004-04-21 |
DE50304555D1 (de) | 2006-09-21 |
CA2442247A1 (en) | 2004-04-17 |
JP2004136660A (ja) | 2004-05-13 |
US20040168595A1 (en) | 2004-09-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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