EP0486855B2 - Rasterwalze - Google Patents
Rasterwalze Download PDFInfo
- Publication number
- EP0486855B2 EP0486855B2 EP91118478A EP91118478A EP0486855B2 EP 0486855 B2 EP0486855 B2 EP 0486855B2 EP 91118478 A EP91118478 A EP 91118478A EP 91118478 A EP91118478 A EP 91118478A EP 0486855 B2 EP0486855 B2 EP 0486855B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- process according
- ink
- grooves
- wear
- 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.)
- Expired - Lifetime
Links
Images
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
- B41N7/00—Shells for rollers of printing machines
- B41N7/06—Shells for rollers of printing machines for inking rollers
-
- 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
- B41N2207/00—Location or type of the layers in shells for rollers of printing machines
- B41N2207/02—Top layers
-
- 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
- B41N2207/00—Location or type of the layers in shells for rollers of printing machines
- B41N2207/10—Location or type of the layers in shells for rollers of printing machines characterised by inorganic compounds, e.g. pigments
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49544—Roller making
- Y10T29/4956—Fabricating and shaping roller work contacting surface element
- Y10T29/49563—Fabricating and shaping roller work contacting surface element with coating or casting about a core
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49544—Roller making
- Y10T29/49565—One-piece roller making
Definitions
- the invention relates to a method for manufacturing an anilox roller for an inking unit of an offset rotary printing press, the bridges from one wear-resistant, hard material and cell with a surface of an ink-accepting Has material.
- a coating consisting of hard ceramic is applied to a steel core, which is then engraved and provided with a color-friendly coating.
- the hard ceramic coating is also engraved using a laser beam.
- the US patent 47 73 143 discloses according to claim 19 and Figures 1 and 2 a manufacturing method of an anilox roller, in which wells are engraved in an oleophilic layer of the roller surface, then a spiral groove is worked out of this layer, then this groove a hard Material is filled so that a spiral layer is formed, which runs flat with or slightly raised over the oleophilic layer of the anilox roller. Both the oleophilic surface and the hard spiral rail can then be finished.
- the disadvantage here is that the material filled into the groove can make adjacent cells usable, which in turn have to be reworked.
- an anilox roller 1 a roll core 2, the diameter of some Tenths of a millimeter smaller than the final diameter the anilox roller 1.
- the roller core 2 is in Embodiment made of steel.
- the roll core 2 is made with an ink-accepting material existing layer 3 coated.
- Layer 3 can e.g. are made of copper. This material repels water and at the same time has a high Affinity for color. Instead of copper there is also Use of nickel, asphalt or a suitable one Plastic, such as nylon 11, possible.
- the Layer 3 can be sprayed on or evaporated on depending on the material used, galvanically, or applied by chemical deposition become.
- Fig. 2 are in the ink-accepting layer 3 advantageously by partially removing this layer 3 up to the roller core 2 grooves 4 incorporated.
- the grooves 4 are, as indicated in Fig. 3 is, obliquely to the axis in the exemplary embodiment the anilox roller 1 arranged to run.
- the Incorporation of the grooves 4 can be done by a simple Engraving processes, e.g. Etching.
- Another way to create the grooves 4 is the surface of the roll core 2 at the locations provided for the grooves 4 are, before applying the ink-accepting Cover layer 3.
- the cover can by means of lacquer strips, which are made after application Layer 3 can be removed.
- a hard, wear-resistant material existing layer 6 introduced in such a way that anchoring formed on the one hand with the ink-accepting layer 3 on the other hand, if the grooves on the Go through the roller core, also with this.
- Material to form this hard, wear-resistant Layer 6 can e.g. Chromium dioxide or Find aluminum oxide.
- the bringing in This layer 6 can be plasma sprayed respectively.
- Layer 6 initially covers as a continuous layer the peripheral surface of the ink-accepting layer 3. To achieve a flat, even surface of the anilox roller 1 is a subsequent surface treatment sensible, in which the hard layer 6 above the ink-accepting layer 3 is removed.
- This Processing step is based on Fig. 5, the a surface that is ground and polished on the circumference 7 shows. The surface 7 is smoothed that the layer 6 only the grooves 4 in the ink-accepting layer 3 fills and wear-resistant Forms webs 8.
- the thickness of the ink-accepting layer 3 exceeds the depth of the cells 9.
- the depth of the cells 9 is of the order of magnitude of approx. 20 ⁇ .
- the width of the grooves 4 and thus the Web 8 is approximately in the order of depth the well 9.
- a major advantage of this procedure is that the load-bearing, wear-resistant Layer 6 does not have to be engraved. Because the engraving always takes place in the ink-accepting layer 3, which is relatively soft, it turns out comparatively simple and allows an inexpensive Production.
- the webs 8 are in layer 3 of ink-accepting, water-repellent Material embedded and in uniform Spaced from each other. Between the webs 8 are in the ink-accepting Layer 3 also at regular intervals the wells 9 are engraved. The wells 9 are on the one hand through the wear-resistant webs 8 and on the other hand by webs 10, which from the ink-accepting Layer 3 are formed, bordered. However, the webs 10 can also be made of wear-resistant Material in the same way as that Bars 8 are made. This requires an induction the grooves 4 as described in above Way in a cross-diagonal arrangement on the Anilox roller 1 ahead.
- the grooves can be Formation of webs 11 on the anilox roller 1 also be arranged hexagonally. Between the bridges 11 are shape-matched in the ink-accepting layer 3 Cup 12 engraved.
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Coating Apparatus (AREA)
Description
- Fig. 1
- einen Teilschnitt durch eine Rasterwalze nach dem ersten Verfahrensschritt;
- Fig. 2
- einen Teilschnitt durch die Rasterwalze nach dem zweiten Verfahrensschritt;
- Fig. 3
- eine Teilaufsicht der Rasterwalze nach dem zweiten Verfahrensschritt;
- Fig. 4 bis 6
- Teilschnitte durch die Rasterwalze nach jeweils einem weiteren Verfahrensschritt;
- Fig. 7
- eine Teilaufsicht der fertiggestellten Rasterwalze.
Claims (12)
- Verfahren zur Herstellung einer Rasterwalze für ein Farbwerk einer -Offset-Rotationsdruckmaschine, die Stege aus einem verschleißfesten, harten Werkstoff und Näpfchen mit einer Oberfläche aus einem farbannehmenden Werkstoff aufweist, dadurch gekennzeichnet, daß auf einen Walzenkern (2) der Rasterwalze (1) eine aus dem farbannehmenden Werkstoff bestehende Schicht (3) in einer Dicke, die die Tiefe der Näpfchen (9) übersteigt, aufgebracht wird, in die Nuten (4) eingebracht werden, dann eine Schicht (6) aus einem verschleißfesten, harten Werkstoff zur Bildung der Stege (8) die Nuten (4) voll ausfüllend aufgetragen wird, daß die Schicht (6) aus dem harten verschleißfesten Werkstoff zunächst zumindest teilweise die umfangsseitige Fläche der Schicht (3) bedeckt und anschließend von den Bereichen außerhalb der Stege (8) abgetragen wird und in die Schicht (3) aus dem farbannehmenden Werkstoff die Näpfchen (9) eingebracht werden, derart, dass die Näpfchen (9) zumindest einer seits durch die verschleißfesten Stege (8) beraudet sind.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Nuten (4) bis auf den Walzenkern (2) durchgehen.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Nuten (4) schräg zur Achse der Rasterwalze (1) verlaufend angeordnet sind.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet. daß die Nuten (4) kreuzdiagonal angeordnet sind.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Nuten (4) hexagonal angeordnet sind.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Nuten (4) durch Entfernen von Material aus der farbannehmenden Schicht (3) erzeugt werden.
- Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß das Entfernen des Materials durch Ätzen erfolgt.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Nuten (4,) durch Abdecken der Oberfläche des Walzenkernes (2) vor dem Aufbringen der Schicht (3) aus dem farbannehmenden Werkstoff erzeugt werden.
- Verfahren nach Anspruch 8, dadurch gekennzeichnet, daß das Abdecken durch Aufbringen von Lackstreifen erfolgt.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die farbannehmende Schicht (3) durch Flammspritzen aufgebracht wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß bei Verwendung von Kupfer für die farbannehmende Schicht (3), diese Schicht (3) galvanisch aufgebracht wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Näpfchen (9) durch Gravieren, Molettieren oder Ätzen hergestellt werden.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4036661A DE4036661C1 (de) | 1990-11-17 | 1990-11-17 | |
DE4036661 | 1990-11-17 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0486855A1 EP0486855A1 (de) | 1992-05-27 |
EP0486855B1 EP0486855B1 (de) | 1994-12-07 |
EP0486855B2 true EP0486855B2 (de) | 2002-01-09 |
Family
ID=6418448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91118478A Expired - Lifetime EP0486855B2 (de) | 1990-11-17 | 1991-10-30 | Rasterwalze |
Country Status (4)
Country | Link |
---|---|
US (1) | US5191703A (de) |
EP (1) | EP0486855B2 (de) |
JP (1) | JPH04269546A (de) |
DE (2) | DE4036661C1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4113903A1 (de) * | 1991-04-27 | 1992-10-29 | Frankenthal Ag Albert | Walze fuer eine druckmaschine |
US5370052A (en) * | 1993-03-15 | 1994-12-06 | Man Roland Druckmaschinen Ag | Method of controlling the quantity of printing ink and reconditioning used anilox rollers |
US5411462A (en) * | 1993-08-30 | 1995-05-02 | Link; Terry G. | Lightweight ink transfer roll |
DE19515393B4 (de) * | 1995-04-26 | 2004-01-15 | Man Roland Druckmaschinen Ag | Bedruckstofführende Oberflächenstruktur, vorzugsweise für Druckmaschinenzylinder oder deren Aufzüge |
DE19528114C2 (de) * | 1995-08-01 | 1999-02-18 | Wetzel Gmbh | Farbgeberwalze und Verfahren zu deren Herstellung |
DE19841785C2 (de) * | 1998-09-12 | 2001-02-22 | Inst Mikrotechnik Mainz Gmbh | Verfahren zur Herstellung eines Körpers mit Mikrostrukturen aus thermisch aufgespritzem Material |
DE19847108C2 (de) * | 1998-10-13 | 2002-10-24 | Windmoeller & Hoelscher | Rasterwalze |
GB9828305D0 (en) * | 1998-12-23 | 1999-02-17 | Eastman Kodak Co | Device to reduce electrostatic pattern transfer in coating processes |
US6931991B1 (en) * | 2004-03-31 | 2005-08-23 | Matsushita Electric Industrial Co., Ltd. | System for and method of manufacturing gravure printing plates |
DE102005030918A1 (de) * | 2005-06-30 | 2007-01-04 | Man Roland Druckmaschinen Ag | Farbduktorwalze einer Rollendruckmaschine |
GR1007354B (el) * | 2009-12-15 | 2011-07-20 | Icr Ιωαννου Αβεε, | Κατασκευη κυλινδρου βαθυτυπιας με βαση απο αλουμινιο |
JP5646240B2 (ja) * | 2010-07-27 | 2014-12-24 | 株式会社シンク・ラボラトリー | アニロックスロール及び塗布装置 |
EP2719544B1 (de) * | 2012-10-10 | 2015-12-16 | Artio Sarl | Verfahren zur Herstellung eines Rotationstiefdruckzylinders |
DE102013019578A1 (de) * | 2012-12-03 | 2014-06-05 | Heidelberger Druckmaschinen Ag | Rasterwallze |
US10500784B2 (en) | 2016-01-20 | 2019-12-10 | Palo Alto Research Center Incorporated | Additive deposition system and method |
DE102016007574A1 (de) * | 2016-06-21 | 2017-12-21 | Fresenius Medical Care Deutschland Gmbh | Zweikomponentige Abtropfkante |
US10493483B2 (en) | 2017-07-17 | 2019-12-03 | Palo Alto Research Center Incorporated | Central fed roller for filament extension atomizer |
US10464094B2 (en) * | 2017-07-31 | 2019-11-05 | Palo Alto Research Center Incorporated | Pressure induced surface wetting for enhanced spreading and controlled filament size |
US20210070032A1 (en) | 2019-09-05 | 2021-03-11 | Harper Corporation Of America | Engraved roller for flexographic and gravure printing |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3018540A (en) * | 1957-11-18 | 1962-01-30 | Sealed Air Corp | Methods for making embossing rollers |
US3948655A (en) * | 1973-12-26 | 1976-04-06 | Xerox Corporation | Electrostatographic process for preparing gravure printing member |
US4009658A (en) * | 1974-04-26 | 1977-03-01 | Pamarco Incorporated | Fluid metering roll and method of making the same |
SU995931A1 (ru) * | 1978-07-17 | 1983-02-15 | Ждановский металлургический институт | Прокатный валок |
US4793041A (en) * | 1979-05-03 | 1988-12-27 | Jerome D. Jenkins | Transfer roll with ceramic-fluorocarbon coating containing cylindrical ink holes with round, beveled entrances |
SU1348020A1 (ru) * | 1986-01-06 | 1987-10-30 | Днепродзержинский Индустриальный Институт Им.М.И.Арсеничева | Способ сборки составного прокатного валка |
DE3713027A1 (de) * | 1987-04-16 | 1988-11-17 | Frankenthal Ag Albert | Rasterwalze fuer ein offsetfarbwerk, sowie verfahren zur herstellung einer derartigen rasterwalze |
DE3744131A1 (de) * | 1987-12-24 | 1989-07-06 | Frankenthal Ag Albert | Rasterwalze fuer ein offsetfarbwerk sowie verfahren zur herstellung einer derartigen rasterwalze |
DE3822692C2 (de) * | 1988-07-05 | 1996-02-15 | Kochsmeier Hans Hermann | Rasterwalze in einem Auftragswerk einer Druckmaschine |
JPH0764052B2 (ja) * | 1989-01-09 | 1995-07-12 | 株式会社東京機械製作所 | 印刷機のインキングローラー及びその製造方法 |
FI83439C (fi) * | 1989-08-24 | 1991-07-10 | Valmet Paper Machinery Inc | Vals i pappersmaskin och foerfarande foer framstaellning av denna. |
-
1990
- 1990-11-17 DE DE4036661A patent/DE4036661C1/de not_active Expired - Lifetime
-
1991
- 1991-09-19 US US07/762,582 patent/US5191703A/en not_active Expired - Fee Related
- 1991-10-30 EP EP91118478A patent/EP0486855B2/de not_active Expired - Lifetime
- 1991-10-30 DE DE59103805T patent/DE59103805D1/de not_active Expired - Fee Related
- 1991-11-12 JP JP3295452A patent/JPH04269546A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE59103805D1 (de) | 1995-01-19 |
US5191703A (en) | 1993-03-09 |
JPH04269546A (ja) | 1992-09-25 |
EP0486855A1 (de) | 1992-05-27 |
EP0486855B1 (de) | 1994-12-07 |
DE4036661C1 (de) | 1992-06-17 |
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