EP0486855B1 - Rouleau tramé - Google Patents

Rouleau tramé Download PDF

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Publication number
EP0486855B1
EP0486855B1 EP91118478A EP91118478A EP0486855B1 EP 0486855 B1 EP0486855 B1 EP 0486855B1 EP 91118478 A EP91118478 A EP 91118478A EP 91118478 A EP91118478 A EP 91118478A EP 0486855 B1 EP0486855 B1 EP 0486855B1
Authority
EP
European Patent Office
Prior art keywords
layer
process according
ink
grooves
cells
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
Application number
EP91118478A
Other languages
German (de)
English (en)
Other versions
EP0486855B2 (fr
EP0486855A1 (fr
Inventor
Thomas John
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6418448&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0486855(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0486855A1 publication Critical patent/EP0486855A1/fr
Application granted granted Critical
Publication of EP0486855B1 publication Critical patent/EP0486855B1/fr
Publication of EP0486855B2 publication Critical patent/EP0486855B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 producing an anilox roller for an inking unit of an offset rotary printing press, which has webs made of a wear-resistant, hard material and cups with a surface made of an ink-accepting material.
  • an anilox roller is known in which the roller core carries a wear-resistant ceramic or metal layer. This layer is engraved to accommodate a layer of a color-accepting, water-repellent material. The ink-accepting layer, which was initially applied in excess, is removed to such an extent that the upper sides of the webs of the wear-resistant layer underneath are exposed. In addition, the wells are introduced into this layer.
  • the wear-resistant hard layer is engraved using a laser beam and is therefore comparatively expensive.
  • an anilox roller 1 has a roller core 2, the diameter of which is a few tenths of a millimeter smaller than the final diameter of the anilox roller 1.
  • the roller core 2 is made of steel.
  • the roller core 2 is coated with a layer 3 consisting of ink-accepting material.
  • Layer 3 can e.g. are made of copper. This material repels water and at the same time has a high affinity for color.
  • the layer 3 can be sprayed on or vapor deposited or, depending on the material used, applied galvanically or by chemical deposition.
  • grooves 4 are advantageously worked into the ink-accepting layer 3 by partially removing this layer 3, except for the roller core 2.
  • the grooves 4 are, as indicated in Fig. 3, arranged obliquely to the axis of the anilox roller 1 in the embodiment.
  • the incorporation of the grooves 4 can be done by a simple engraving process, e.g. Etching.
  • Another possibility of creating the grooves 4 is to cover the surface of the roller core 2 at the locations provided for the grooves 4 before the ink-accepting layer 3 is applied.
  • the covering can be carried out by means of lacquer strips which are removed after the layer 3 has been applied.
  • a layer 6 made of a hard, wear-resistant material is introduced into the grooves 4 in such a way that an anchoring is formed on the one hand with the ink-accepting layer 3, on the other hand if go through the grooves on the roller core, even with this.
  • a material for forming this hard, wear-resistant layer 6 e.g. Chromium dioxide or
  • This layer 6 can be introduced using the plasma spraying process.
  • the layer 6 initially covers at least partially the peripheral surface of the ink-accepting layer 3.
  • a subsequent surface treatment is expedient in which the hard layer 6 above the ink-accepting layer 3 is removed.
  • This processing step is based on FIG. 5, which shows a surface 7 ground and polished on the circumference. The surface 7 is smoothed so that the layer 6 only fills the grooves 4 in the ink-accepting layer 3 and forms wear-resistant webs 8.
  • the thickness of the ink-accepting layer 3 is at least the depth of the wells 9.
  • the depth of the wells 9 is of the order of about 20 microns.
  • the width of the grooves 4 and thus of the webs 8 is approximately in the order of the depth of the wells 9.
  • a major advantage of this procedure is that the load-bearing, wear-resistant layer 6 does not have to be engraved. Since the engraving always takes place in the ink-accepting layer 3, which is relatively soft, it is comparatively simple and enables inexpensive production.
  • the surface of the anilox roller 1 has wear-resistant webs 8 which run obliquely to its axis and which surround it on the circumferential side.
  • the webs 8 are embedded in the layer 3 of ink-accepting, water-repellent material and are arranged at regular intervals from one another.
  • the cups 9 are also engraved at regular intervals between the webs 8 in the ink-accepting layer 3.
  • the wells 9 are bordered on the one hand by the wear-resistant webs 8 and on the other hand by webs 10 which are formed from the ink-accepting layer 3.
  • the webs 10 can also be made of wear-resistant material in the same way as the webs 8. This requires incorporation of the grooves 4 as described above in a cross-diagonal arrangement on the anilox roller 1.
  • the grooves for forming webs 11 on the anilox roller 1 can also be arranged hexagonally.
  • Form-matched cells 12 are engraved between the webs 11 in the ink-accepting layer 3.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Coating Apparatus (AREA)

Claims (14)

1. Procédé de fabrication d'un rouleau tramé pour un groupe imprimant d'une machine à imprimer offset, qui comprend des nervures faites d'une matière dure, résistante à l'usure, et des alvéoles présentant une surface faite d'une matière prenant l'encre, caractérisé en ce que, sur un noyau (2) du rouleau tramé (1), on dépose une couche (3) faite d'une matière prenant l'encre, sous une épaisseur qui est supérieure à la profondeur des alvéoles (9), et dans laquelle on forme les rainures (4), puis on dépose une couche (6) faite d'une matière dure, résistante à l'usure, destinée à la formation des nervures (8), en comblant entièrement les rainures (4), et on forme les alvéoles (9) dans la couche (3) faite de la matière prenant l'encre.
2. Procédé selon la revendication 1, caractérisé en ce que les rainures (4) sont creusées jusqu'au noyau (2) du rouleau.
3. Procédé selon la revendication 1, caractérisé en ce que les rainures (4) sont orientées obliquement à l'axe du rouleau tramé (1).
4. Procédé selon la revendication 1, caractérisé en ce que les rainures (4) sont disposées en se croisant en diagonale.
5. Procédé selon la revendication 1, caractérisé en ce que les rainures (4) sont disposées en hexagone.
6. Procédé selon la revendication 1, caractérisé en ce que la couche (6) faite de la matière dure, résistante à l'usure, est déposée sous la forme d'une couche continue et est ensuite enlevée dans les régions situées en dehors des nervures (8).
7. Procédé selon la revendication 1, caractérisé en ce que l'épaisseur de la couche (3) prenant l'encre est au moins égale à la profondeur des alvéoles (9).
8. Procédé selon une des revendications précédentes, caractérisé en ce que les rainures (4) sont formées par enlèvement de matière dans la couche (3) qui prend l'encre.
9. Procédé selon la revendication 8, caractérisé en ce que l'enlèvement de la matière s'effectue par attaque à l'acide.
10. Procédé selon une des revendications 1 à 6, caractérisé en ce que les rainures (4) sont formées en recouvrant la surface du noyau (2) du rouleau avant le dépôt de la couche (3) faite d'une matière prenant l'encre.
11. Procédé selon la revendication 10, caractérisé en ce que le recouvrement s'effectue par dépôt de bandes de laque.
12. Procédé selon une des revendications précédentes, caractérisé en ce que la couche (3) prenant l'encre est déposée par projection à la flamme.
13. Procédé selon une des revendications précédentes, caractérisé en ce que, lorsqu'on utilise du cuivre pour la couche (3) prenant l'encre, cette couche (3) est déposée par galvanoplastie.
14. Procédé selon une des revendications précédentes, caractérisé en ce que les alvéoles (9) sont formés par gravure, moletage ou attaque chimique.
EP91118478A 1990-11-17 1991-10-30 Rouleau tramé Expired - Lifetime EP0486855B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4036661A DE4036661C1 (fr) 1990-11-17 1990-11-17
DE4036661 1990-11-17

Publications (3)

Publication Number Publication Date
EP0486855A1 EP0486855A1 (fr) 1992-05-27
EP0486855B1 true EP0486855B1 (fr) 1994-12-07
EP0486855B2 EP0486855B2 (fr) 2002-01-09

Family

ID=6418448

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91118478A Expired - Lifetime EP0486855B2 (fr) 1990-11-17 1991-10-30 Rouleau tramé

Country Status (4)

Country Link
US (1) US5191703A (fr)
EP (1) EP0486855B2 (fr)
JP (1) JPH04269546A (fr)
DE (2) DE4036661C1 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
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 (fr) * 2012-10-10 2015-12-16 Artio Sarl Procédé de fabrication de cylindres de rotogravure
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)

* Cited by examiner, † Cited by third party
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.

Also Published As

Publication number Publication date
JPH04269546A (ja) 1992-09-25
EP0486855B2 (fr) 2002-01-09
DE59103805D1 (de) 1995-01-19
DE4036661C1 (fr) 1992-06-17
EP0486855A1 (fr) 1992-05-27
US5191703A (en) 1993-03-09

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