EP0428893A2 - Elément d'impression - Google Patents

Elément d'impression Download PDF

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Publication number
EP0428893A2
EP0428893A2 EP90120395A EP90120395A EP0428893A2 EP 0428893 A2 EP0428893 A2 EP 0428893A2 EP 90120395 A EP90120395 A EP 90120395A EP 90120395 A EP90120395 A EP 90120395A EP 0428893 A2 EP0428893 A2 EP 0428893A2
Authority
EP
European Patent Office
Prior art keywords
printing unit
cylinder
layer
unit according
temperature
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
Application number
EP90120395A
Other languages
German (de)
English (en)
Other versions
EP0428893A3 (en
EP0428893B1 (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
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0428893A2 publication Critical patent/EP0428893A2/fr
Publication of EP0428893A3 publication Critical patent/EP0428893A3/de
Application granted granted Critical
Publication of EP0428893B1 publication Critical patent/EP0428893B1/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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/26—Construction of 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
    • 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

Definitions

  • the invention relates to a printing unit for a printing press having a cylinder which is provided with a cup and cooperates with a squeegee.
  • the invention has for its object to design a printing unit so that the amount of ink guided by the cylinder can be changed without wear.
  • the gravure forme cylinder 1 has an intaglio printing cylinder 1 and an impression cylinder 2, between which the web 3 to be printed is passed.
  • the gravure forme cylinder 1 is partially immersed in an ink pan 4.
  • a doctor blade 5 can be placed on the gravure forme cylinder 1.
  • the gravure forme cylinder 1 has, cf. 3 and 4 on a metallic core 6, on which a porous, volume-changing intermediate layer 7 is applied, for example by plasma spraying.
  • a layer 8 made of a material with a temperature-dependent shape memory is applied to the outside of the intermediate layer 6.
  • Materials with a temperature-dependent shape memory can be constructed on a metallic basis, as described, for example, in the "Southren" magazine in 1987, pages 58 to 61 and 70 to 73, or be constructed on a plastic basis, as described in the "highTech” magazine, issue 4 / 1989 are described.
  • a temperature control device 9 is provided in front of the circumference of the gravure forme cylinder 1.
  • the temperature control device 9 has As shown schematically in Fig. 2, a plurality of heating elements 10 arranged side by side in the form of very small resistors. The structure of such heat sources is described in the journal "Feintechnik und Meßtechnik” 95 (1987) 7 pages 433 to 435.
  • 3 shows that a multiplicity of cups 11 have been introduced into the layer 8. This can be done, for example, by metting, that is to say a non-cutting deformation of the gravure cylinder 1.
  • 3 shows the shape of the layer 8 in a first shape state.
  • a heating element 10 is assigned to each row of cups 11 rotating in the circumferential direction, as is shown schematically in FIG. 2. If a heating element 10 is switched on, it heats the area of a well 11 of the layer 8. The layer 8 consequently deforms in this area and assumes the second shape state shown in FIG. 4, in which the respective well 11 disappears and the layer 8 forms a section of a cylinder jacket in the area of the well.
  • the porous intermediate layer 7 ensures that the outer diameter of the gravure cylinder 1 does not change during the transition from one to the other.
  • a heating element 10 By gradually rotating the rotogravure form cylinder 1, one or all of the wells 11 of a row of wells can thus be subjected to heat from a heating element 10 one after the other.
  • Fig. 2 shows that with this arrangement it is possible both to delete an entire row of cells rotating in the circumferential direction and to alternately leave cells 11 open in the circumferential direction and to delete adjacent cells.
  • a well configuration which is adapted to the subject to be printed can be produced in layer 8 of rotogravure forme cylinder 1.
  • the change in the shape of a material with temperature-dependent shape memory is plotted against the temperature.
  • the line a shows that the first shape state F 1 is maintained until a temperature T 1 is reached.
  • T 2 At a higher temperature T 2 is the second Shape state F 2 reached.
  • the second shape state F 2 remains until a temperature T 3, which is below the temperatures T 1 and T 2, is maintained.
  • the first shape state F 1 is only reached again when the temperature T 4 is cooled further.
  • the given shape state remains unchanged. If the range of the usual working temperatures ⁇ T * of the printing press lies within the range ⁇ T, the shape of the area in the area of each individual well remains unchanged during the operation of the printing press.
  • a blanket cylinder 20, a plate cylinder 21 which can be covered with an offset printing plate, an application roller 22 with a flexible ink-accepting surface and a cylinder 23 serving as anilox roller are provided.
  • a dampening unit 24 can be set on the plate cylinder 21.
  • the anilox roller 23 is supplied with ink by a chamber doctor blade 25.
  • a temperature control device 26 is also arranged at a free location on the circumference of the cylinder 23.
  • the temperature control device 26 consists of a resistance heating element which extends over the entire width of the cylinder 23. If desired, the heating element can also be divided into zones that can be switched on and off individually. Basically, there is also the possibility of using a temperature control device according to FIG. 1. A given control of individual cells is not always necessary with anilox rollers.
  • the cylinder 23 has a hard metallic core 27 to which a layer 28 made of a material with a temperature-dependent shape memory is applied.
  • the layer 28 is expediently applied as a porous layer by plasma spraying. After it has been applied by chipless shaping with a cup 29, cf. Fig. 7 provided. This ensures at the same time that the outside of the layer 28 passes through closed.
  • the wells are introduced in a state defining the first shape Temperature T 4. Then the temperature of the layer 28 is brought to the value T 2, at which it assumes the second shape. Then the cup 29 'of the second shape is given the desired final shape. This can again be done, for example, by mettling.
  • the inner porosity of the layer 28 in the first shape state is necessary in order to prevent a change in the outer diameter upon transition to the second shape state.
  • the cylinder 30 is rotatably mounted on a fixed axis 31 and in turn has a porous layer 33 made of a material with a temperature-dependent shape memory that is applied to a metallic core 32. Cups 34 are introduced into the layer 33.
  • the cylinder 30 has an inner cavity 35 which is connected to a water circuit 38 via bores 36, 37.
  • a heat exchanger 39 in which the water flowing through can be cooled.
  • a feed pump 40 is also provided in the water circuit 38.
  • a second heat exchanger can also be provided to increase the temperature of the water cycle.
  • the layer 33 is guided from one to the other by heating the circulating water of the water circuit 38.
  • the water of the water cycle can be cooled or the temperature for reaching the first shape is such that it is reached automatically after the printing machine is switched off.
  • a porous layer 51 made of a material with a temperature-dependent shape memory is applied to a hard core 50 of a cylinder, as is the case with the arrangement according to FIGS. 7 and 8. Cups are provided in layer 51, which are in the first shape 53 and are designated in the second form with 53 '.
  • a wear protection layer 52 is applied to the outside of the layer 51.
  • the wear protection layer 52 is only a few ⁇ m thick and suitably consists of TiN, TiAlN or TiCN.
  • FIG. 12 A further variant is shown in FIG. 12.
  • depressions 61 are machined into the outer surface of a hard core 60 of a cylinder.
  • the layer 62 made of a material with a temperature-dependent shape memory is designed as a thin-walled sleeve applied to the core.
  • the layer 62 thus forms part of a cylinder jacket.
  • wells 63 are formed in the area of the depressions 61.
  • the depressions 61 are dimensioned such that they accommodate the layer 62 forming the wells 63.
  • This configuration is not only suitable for anilox rollers but also for gravure cylinders. Basically, in this variant there is also the possibility that the layer 62 forms flatter cells in the first shape, as is the case with the arrangement according to FIGS. 7 and 8. Then it can be used for anilox rollers.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Methods (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Plates And Materials Therefor (AREA)
EP90120395A 1989-11-18 1990-10-24 Elément d'impression Expired - Lifetime EP0428893B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3938449 1989-11-18
DE3938449A DE3938449A1 (de) 1989-11-18 1989-11-18 Druckwerk

Publications (3)

Publication Number Publication Date
EP0428893A2 true EP0428893A2 (fr) 1991-05-29
EP0428893A3 EP0428893A3 (en) 1991-12-11
EP0428893B1 EP0428893B1 (fr) 1995-10-04

Family

ID=6393838

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90120395A Expired - Lifetime EP0428893B1 (fr) 1989-11-18 1990-10-24 Elément d'impression

Country Status (4)

Country Link
US (1) US5233921A (fr)
EP (1) EP0428893B1 (fr)
JP (1) JPH03176154A (fr)
DE (2) DE3938449A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0703093A1 (fr) * 1994-09-24 1996-03-27 MAN Roland Druckmaschinen AG Cylindre, de préférence pour le dispositif de mouillage d'une machine à imprimer
WO2008110434A3 (fr) * 2007-03-09 2008-11-06 Oce Printing Systems Gmbh Dispositif pour l'application d'un fluide sur un matériau d'impression
EP2384888A3 (fr) * 2010-05-05 2012-02-08 Giesecke & Devrient GmbH Machine de flexographie, procédé de flexographie et produit imprimé ainsi obtenu
ITVR20100171A1 (it) * 2010-09-08 2012-03-09 Uteco Converting Spa Struttura di cilindro retinato particolarmente per macchine da stampa flessografiche
EP2581227A1 (fr) * 2011-10-14 2013-04-17 Bobst Bielefeld GmbH Rouleau d'encrage et jeux de rouleaux d'encrage pour vérification des couleurs

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4137337A1 (de) * 1991-11-13 1993-05-19 Sengewald Karl H Gmbh Hochdruckverfahren und auftragsvorrichtung zu seiner durchfuehrung
DE4206525C2 (de) * 1992-03-02 2001-05-17 Heidelberger Druckmasch Ag Vorrichtung zur Beeinflussung einer Feuchtmittelverteilung in einem Druckwerk einer Druckmaschine
DE4408615C2 (de) * 1994-03-15 1996-01-11 Roland Man Druckmasch Näpfchenwalze innerhalb eines Auftragswerks einer Rotationsdruckmaschine
US5524342A (en) * 1994-05-27 1996-06-11 Xerox Corporation Methods for shrinking nickel articles
DE19645934A1 (de) * 1996-11-07 1998-05-14 Roland Man Druckmasch Rasterwalze innerhalb eines Auftragswerkes einer Rotationsdruckmaschine
DE19653911C2 (de) * 1996-12-21 2003-03-27 Roland Man Druckmasch Druckmaschinenwalze mit einer farbfreundlichen Beschichtung der Ballenfläche des Walzenkerns, insbesondere Farbwalze
US6006665A (en) * 1997-10-30 1999-12-28 Didde Web Press Corporation Pliable anilox roller
US6024907A (en) * 1998-02-02 2000-02-15 Bruce Jagunich Embossing with an endless belt composed of a shape memory alloy
US6092465A (en) * 1998-03-03 2000-07-25 United Container Machinery, Inc. Method and apparatus for providing erasable relief images
DE19901243A1 (de) * 1999-01-14 2000-07-20 Heidelberger Druckmasch Ag Dosierbare Rasterwalze in einer Rotationsdruckmaschine
DE19925420A1 (de) * 1999-06-02 2000-12-07 Voith Sulzer Papiertech Patent Elastische Walze und Verfahren zum Herstellen einer solchen
DE10001364C2 (de) * 2000-01-14 2002-08-14 Windmoeller & Hoelscher Auftragswalze zum Übertragen eines formatgerechten Klebstoffauftrags
DE10021451A1 (de) * 2000-05-03 2001-11-08 Heidelberger Druckmasch Ag Gesteuerte Bebilderung und Löschung einer Druckform aus metallischem Titan
DE10145403A1 (de) * 2001-07-04 2003-01-16 Any Seyd Ahmadiyan Vorrichtung zur zonalen Farbdosierung und Aktuator mit einem Aktuatordraht aus einer Formgedächtnislegierung
US6779444B2 (en) 2001-08-01 2004-08-24 Heidelberger Druckmaschinen Ag Printing form and process for producing the printing form
DE10213012B4 (de) * 2001-08-01 2011-08-11 Heidelberger Druckmaschinen AG, 69115 Verfahren zur Herstellung einer Druckform
US6663215B2 (en) * 2001-10-25 2003-12-16 Hewlett-Packard Company, L.P. Printhead service station
EP1415805A1 (fr) * 2002-10-28 2004-05-06 Hauni Maschinenbau AG Groupe d'impression avec unité d'éaquilibrage de température
SI1493552T1 (sl) * 2003-07-01 2006-08-31 Delicarta Spa Naprava in postopek za vtiskovanje listnatega materiala
DE102005030918A1 (de) * 2005-06-30 2007-01-04 Man Roland Druckmaschinen Ag Farbduktorwalze einer Rollendruckmaschine
CN1939721B (zh) * 2005-09-27 2010-12-15 海德堡印刷机械股份公司 用于对印刷机调节温度的方法
DE102006040746B4 (de) * 2005-09-27 2017-04-27 Heidelberger Druckmaschinen Ag Verfahren zum Temperieren einer Druckmaschine
US7762188B2 (en) * 2005-09-30 2010-07-27 Xerox Corporation Reimageable printing member
US7814830B2 (en) * 2005-11-07 2010-10-19 Xerox Corporation Printing system using shape-changing materials
DE102006031682A1 (de) * 2006-07-08 2008-01-10 Man Roland Druckmaschinen Ag Flexodruckrasterwalze und Flexodruckverfahren
DE102007041203A1 (de) 2006-10-11 2008-04-24 Man Roland Druckmaschinen Ag Kurzfarbwerk für eine Verarbeitungsmaschine
US20080240794A1 (en) * 2007-03-26 2008-10-02 Research Laboratories Of Australia Pty Ltd Printing machine incorporating plastic metering roller
DE102008011241B4 (de) 2008-02-26 2015-06-11 manroland sheetfed GmbH Verarbeitungsmaschine mit einem Kurzfarbwerk
DE102008028675A1 (de) * 2008-06-17 2009-12-24 Wifag Maschinenfabrik Ag Elektro- oder magnetorheologische Druckmaschine
DE102009007343A1 (de) * 2009-02-04 2010-08-05 OCé PRINTING SYSTEMS GMBH Anordnung zum Transport eines flüssigen Farbmediums bei einem Druckgerät
DE102014001970A1 (de) * 2014-02-13 2015-08-13 Heidelberger Druckmaschinen Ag Baugruppe einer bogen- oder bahnförmigen Bedruckstoff verarbeitenden Maschine
ES2701477T3 (es) * 2014-11-05 2019-02-22 Bobst Mex Sa Procedimientos de realización de una herramienta de estampado hembra, herramientas de estampado, módulo y procedimiento de estampado y máquina de estampado equipada con dichas herramientas
CN104698688B (zh) * 2015-04-03 2017-08-01 合肥京东方光电科技有限公司 摩擦辊及其使用方法
CN105807500B (zh) * 2016-05-31 2019-03-12 京东方科技集团股份有限公司 转印装置和转印方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3382798A (en) * 1965-10-21 1968-05-14 Homer L. Bishop Method of shaping the image bearing surface of printing plates
US3654864A (en) * 1970-01-16 1972-04-11 Energy Conversion Devices Inc Printing employing materials with variable volume
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
DE3167878D1 (en) * 1980-12-04 1985-01-31 Dainippon Printing Co Ltd Sleeve-type gravure printing cylinder and method and apparatus for its assembly
DE3046757C2 (de) * 1980-12-12 1985-09-12 W.C. Heraeus Gmbh, 6450 Hanau Tiefdruckzylinder
US4603634A (en) * 1985-02-04 1986-08-05 Rockwell International Corporation Copper and nickel layered ink metering roller
DE3706011A1 (de) * 1987-02-25 1988-09-08 Roland Man Druckmasch Kurzfarbwerk
DE3832160A1 (de) * 1988-09-22 1990-04-12 Roland Man Druckmasch Rakelfarbwerk

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0703093A1 (fr) * 1994-09-24 1996-03-27 MAN Roland Druckmaschinen AG Cylindre, de préférence pour le dispositif de mouillage d'une machine à imprimer
WO2008110434A3 (fr) * 2007-03-09 2008-11-06 Oce Printing Systems Gmbh Dispositif pour l'application d'un fluide sur un matériau d'impression
EP2384888A3 (fr) * 2010-05-05 2012-02-08 Giesecke & Devrient GmbH Machine de flexographie, procédé de flexographie et produit imprimé ainsi obtenu
ITVR20100171A1 (it) * 2010-09-08 2012-03-09 Uteco Converting Spa Struttura di cilindro retinato particolarmente per macchine da stampa flessografiche
EP2428361A1 (fr) * 2010-09-08 2012-03-14 Uteco Converting S.p.A. Rouleau anilox, en particulier pour machines d'impression flexographique
AU2011218777B2 (en) * 2010-09-08 2014-04-24 Uteco Converting S.P.A. Anilox roller, particularly for flexographic printing machines
RU2572583C2 (ru) * 2010-09-08 2016-01-20 Утеко Конвертинг С.П.А. Анилоксовый валик, в частности, для флексографских печатных машин
US9555619B2 (en) 2010-09-08 2017-01-31 Uteco Converting S.P.A. Anilox roller, particularly for flexographic printing machines
EP2581227A1 (fr) * 2011-10-14 2013-04-17 Bobst Bielefeld GmbH Rouleau d'encrage et jeux de rouleaux d'encrage pour vérification des couleurs

Also Published As

Publication number Publication date
US5233921A (en) 1993-08-10
DE3938449A1 (de) 1991-05-23
DE3938449C2 (fr) 1993-02-11
DE59009741D1 (de) 1995-11-09
JPH03176154A (ja) 1991-07-31
EP0428893A3 (en) 1991-12-11
EP0428893B1 (fr) 1995-10-04

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