EP1466729A2 - Cylindre pour une machine à imprimer et procédé pour la production d'un cylindre - Google Patents

Cylindre pour une machine à imprimer et procédé pour la production d'un cylindre Download PDF

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Publication number
EP1466729A2
EP1466729A2 EP04405171A EP04405171A EP1466729A2 EP 1466729 A2 EP1466729 A2 EP 1466729A2 EP 04405171 A EP04405171 A EP 04405171A EP 04405171 A EP04405171 A EP 04405171A EP 1466729 A2 EP1466729 A2 EP 1466729A2
Authority
EP
European Patent Office
Prior art keywords
color
roller
friendly
repellent
friendly material
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
EP04405171A
Other languages
German (de)
English (en)
Other versions
EP1466729B1 (fr
EP1466729A3 (fr
Inventor
Robert Langsch
Carlo Manta
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.)
Wifag Maschinenfabrik AG
Original Assignee
Wifag Maschinenfabrik 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 Wifag Maschinenfabrik AG filed Critical Wifag Maschinenfabrik AG
Publication of EP1466729A2 publication Critical patent/EP1466729A2/fr
Publication of EP1466729A3 publication Critical patent/EP1466729A3/fr
Application granted granted Critical
Publication of EP1466729B1 publication Critical patent/EP1466729B1/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
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/36—Inking-rollers serving also to apply ink repellants
    • 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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/26—Damping devices using transfer 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
    • 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
    • B41N2207/04—Intermediate 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
    • 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
    • B41N2207/14—Location or type of the layers in shells for rollers of printing machines characterised by macromolecular organic compounds

Definitions

  • the present invention relates to a roller, in particular a roller, which are used in a printing press, for example in the inking or dampening unit can and on a process for producing such a roller.
  • FIG. 4 shows a roller diagram of a printing unit, through which a printing unit is to be printed Lane B is running.
  • the web B is first in the arrangement shown in Figure 4 via a Counter-pressure cylinder 1 'out, at which a first blanket cylinder 2' and a second rubber cylinder 2 "and will continue to re-humidifying another Counter-pressure cylinder 1 out, on which also a first blanket cylinder. 2 and a second blanket cylinder 2 " described the serving for re-wetting structure of the printing unit.
  • a dampening roller 11th is to the on the rubber cylinder adjacent plate cylinder 3 .
  • the dampening roller 11 is in contact with a rubbing roller 12, the so-called Dampening distribution.
  • the wet transfer roller 13 At this rubbing roller 12 is the wet transfer roller 13 and receives The dampening solution is sprayed over a contactless dampening unit.
  • the wet transfer roller 13, the friction roller 12 and the wet applicator roll 11 transmit the Dampening agent on the plate cylinder 3, which gives the desired pre-or Nachfeuchtung receives.
  • the applied to the plate cylinder 3 color applicator rollers 4 transmit color of the first friction roller 5a adjacent thereto, the first so-called ink driver.
  • the rubber roller 6a On the ink roller 5a is the rubber roller 6a, which continues to a second ink driver 5b is applied to which abut two further rubber rollers 6b and 6c.
  • the rubber roller 6c is applied to the ink fountain roller 7, at which, in a known manner, the ink fountain roller 8 and the scoop roller 10 abut.
  • the ink driver 5a is passed over the rubber rollers 6a, 6c, the further ink driver 5b, via the ink fountain roller 7, via the ink ductor 8, on which the color over color meter, arranged in the ink knife bar 9, is metered and on the scoop roller 10, which dips into the paint in the paint tray, in known Colored way.
  • friction rollers have a surface made of copper, to have a color-friendly interface.
  • the roll according to the invention is used in the re-wetting, in which the danger exists that paint runs back into the dampening unit.
  • the roller according to the invention has at least two preferably around the central axis of Roller peripheral portions or surfaces on which of a color-friendly Material consist, being between the two circumferential sections or areas made of color-friendly material at least one circumferential portion or a circumferential Surface is arranged, which consists of an ink-repellent or color-repellent Material exists.
  • a color-friendly Material consist, being between the two circumferential sections or areas made of color-friendly material at least one circumferential portion or a circumferential Surface is arranged, which consists of an ink-repellent or color-repellent Material exists.
  • circumferential section or “circumferential surface” should be understood in the context of this application, an area of a surface of a roller which extends completely or partially around the circumference of the roller.
  • a circumferential surface may, for example, be annular or one or have a plurality of partial ring pieces, wherein the surface advantageously according to Roller surface is formed and preferably around the central axis of the roller around is arranged and particularly advantageous about the same curvature as the Curvature of the adjacent roll surface.
  • a "color-friendly" in the context of the invention for example, such physical and / or have chemical properties that one with such Material coated roller can fulfill the function as a paint roller, so take color can.
  • a color-friendly material has a hydrophobic property on.
  • an "ink-repellent" or “ink-repellent” in the context of the invention Material may be a material containing such physical and / or chemical Features that roll in one with an ink repellent material coated area can perform a function as a dampener, so absorb water can.
  • the ink repellent material should have hydrophilic properties or be water friendly.
  • color-friendly or hydrophobic material is a ceramic, copper, Polyamide or Rilsan (R) used.
  • a roll according to the invention in the axial direction one behind the other arranged several areas or circumferential surfaces of color-friendly material, between which in each case at least one region or a circumferential surface of a color-repellent or water-friendly material is arranged. So can at a roller according to an embodiment, for example, four color-friendly sections be provided in succession in the axial direction, which by three sections separated from water-friendly or color-repellent material are.
  • the thickness of the color-friendly material is preferably in the range of 0.1 mm to 0.5 mm, and is more preferably 0.3 mm.
  • the thickness of the ink-repellent or water-friendly material in the range of 0.01 mm to 0.10 mm, more preferably in the range of 0.02 mm to 0.05 mm and is advantageously 0.035 mm.
  • the width of a circumferential area or part of color-friendly material is preferably about the width of a sentence mirror and is advantageously in the range of 25 to 35 cm.
  • the width of the portion of water-friendly material slightly larger than the stroke of a distributor roller and is advantageously in the range of 18 to 26 mm and is advantageously 22 mm.
  • the invention relates to a color and / or Dampening unit preferred for offset printing machines with at least one as described above Roller.
  • the invention relates to a method of manufacture a roller as described above, wherein on a Walzenroh redesign at least two approximately annular or partially annular structures made of a color-friendly material and intervening there is at least one annular structure of a color-repellent Material in the surface area or directly on the surface of the roller trained, so for example exposed, attached or coated on it.
  • the roll according to the invention is produced by a roll raw body or pipe is pre-machined by turning to a surface with a desired To get texture.
  • the Walzenrohsko can according to one embodiment already one or more parts of color-friendly and farbab oftenendem or color-repellent material may be provided. It is also possible that a color-friendly or ink-repellent material on the Walzenroh redesign to the desired Jobs is applied.
  • the application of a color-friendly or color-repellent Material can be, for example, by chromium plating, welding or by a coating process, such as plasma coating.
  • After application and / or exposing and / or reworking the materials from color friendly and / or ink-repellent material may be a post-processing of the thus produced Roller can be performed by turning or grinding to a roller obtained, for example, in a paint or dampening unit of a printing press can be used.
  • FIG. 1 shows a sectional view of a partial region of a roller according to the invention, wherein the structure of the roller is shown from the central axis to the surface.
  • the exemplified roller is in four sections of width Y, assigned to zones Subdivided A to D, which are each about the same width and about a type area correspond.
  • a color-friendly or hydrophobic surface is present Material 25, 33, such as ceramic, copper, polyamide or Rilsan (R) attached with a layer thickness of about 0.3 mm.
  • Between the color-friendly material is on the surface color repellent or water friendly material 23, 34, im Example of chromium, with a layer thickness of about 0.02 to 0.05 mm and a Width of about 20 to 24 mm arranged.
  • the surface of the invention Roller is therefore designed so that the more of a paper width B for the Pressure corresponding surface alternately a color-friendly material, which assigned to the type area and a water-friendly material, which is between two adjacent color-friendly materials lies, is
  • a provided with such a surface dampening drive roller, which in the printing insert is reciprocated in the axial direction with a stroke of, for example, 20 mm, on the one hand ensures that the color-friendly material assigned to the type area ensures the transfer of a color is possible and prevented on the other hand by the between the areas of color-friendly material lying color-repellent or water-friendly Material that turns colors, which in adjacent zones next to each other run, mix.
  • the surface area made of water-friendly material Ensures a sufficient supply and discharge of water during operation and thus can remove a color flowing beyond the edge of a zone or a type area mirror and thus can prevent this color in an adjacent zone or a neighboring type area is running.
  • FIG. 2 shows a first embodiment of a method according to the invention for the production a roll according to the invention.
  • the initial state designated 1 is a WalzenrohSystem or tube 20, which is pre-machined by turning is that four circumferential recesses 21 are generated. Between every two wells 21 is in each case a circumferential projection 22.
  • each circumferential projection 22 is chromed and so a layer of chrome 23rd applied.
  • a weld 24 attached to to produce a watertight seal at the edge of the chromium layer 23 Prefers
  • the weld 24 may be roughened to better adhere to the step 4 to ensure applied color-friendly or hydrophobic coating 25.
  • a polyamide can be applied as a color-friendly layer 25. It is possible to perform a plasma coating to the color-friendly layer 25th to create. Likewise, a hard chrome plating can be performed. Becomes advantageous Rilsan applied as color-friendly material 25 on the roller 20.
  • the color-friendly Layer can be either as a single layer or in multiple layers - in the embodiment three layers - are applied to the roller 20.
  • step 5 the through the processing steps 1 to 4 roller 20 ground or turned to a substantially planar Surface with circumferential color-friendly portions 25 to get which interrupted by circumferential ink-repellent or water-friendly portion 23 or separated from each other.
  • FIG. 3 shows method steps for carrying out a second inventive method Process for producing the roll according to the invention.
  • step 1 a rolling stock 30 is at the area indicated by the arrow machined by over-turning to the surface of the Walzenrohworkss 30 for the make subsequent manufacturing processes planar. Subsequently, in step 2 a circumferential around the central axis of the Walzenrohworkss 30 recess 31 by piercing or another material-removing process. Subsequently, how in step 3, into the recess 31 formed in step 2 by stainless welding a material 32 applied.
  • step 4 by Preturn the surface of the pre-machined by the steps 1 to 3 Walzenroh stresses 30 in a desired shape, wherein the outer surface of the in Step 3 applied material 32 made planar and the width of this material 32nd is reduced to the desired width.
  • a color-friendly material 33 such as Rilsan (R) applied to the surface regions of the WalzenrohMechs 30, which at adjoin the projecting portion of the material 32.
  • Rilsan R
  • one or more layers of color-friendly material 33 may be applied.
  • the outer surface of the embedded between the color-friendly material 33 Material 32 is hard chrome plated in step 6 to form an anti-color chrome layer 34 and subsequently the one processed by steps 1 to 6 Roll raw bodies 30 are ground in step 7 to a substantially planar outer surface to obtain.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
EP04405171A 2003-04-09 2004-03-22 Cylindre pour une machine à imprimer et procédé pour la production d'un cylindre Expired - Lifetime EP1466729B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10316240 2003-04-09
DE10316240A DE10316240A1 (de) 2003-04-09 2003-04-09 Walze für eine Druckmaschine und Verfahren zur Herstellung einer Walze

Publications (3)

Publication Number Publication Date
EP1466729A2 true EP1466729A2 (fr) 2004-10-13
EP1466729A3 EP1466729A3 (fr) 2008-12-10
EP1466729B1 EP1466729B1 (fr) 2010-08-04

Family

ID=32864400

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04405171A Expired - Lifetime EP1466729B1 (fr) 2003-04-09 2004-03-22 Cylindre pour une machine à imprimer et procédé pour la production d'un cylindre

Country Status (4)

Country Link
US (1) US7127990B2 (fr)
EP (1) EP1466729B1 (fr)
AT (1) ATE476295T1 (fr)
DE (2) DE10316240A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009098102A1 (fr) * 2008-02-07 2009-08-13 Manroland Ag Groupe d'impression pour une machine de traitement
CN108430776A (zh) * 2015-11-27 2018-08-21 捷德货币技术有限责任公司 用于柔性版印刷机的网纹辊

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7207268B2 (en) * 2004-07-30 2007-04-24 Nu Tech Coatings Llc Apparatus and method of enhancing printing press cylinders
DE102006015490B4 (de) * 2006-04-03 2009-11-12 Koenig & Bauer Aktiengesellschaft Rollendruckmaschine mit einem Filmfarbwerk
JP2008143180A (ja) * 2006-12-07 2008-06-26 Heidelberger Druckmas Ag インキ装置の洗浄装置を備えた印刷機
US8192005B2 (en) * 2009-07-29 2012-06-05 Xerox Corporation Rollers for phase-change ink printing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4860652A (en) 1986-05-24 1989-08-29 Kabushikigaisha Tokyo Kikai Seisakusho Mesh roller for planography
EP0511543A1 (fr) 1991-04-27 1992-11-04 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Rouleau pour machine d'imprimerie

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4287827A (en) * 1979-05-17 1981-09-08 Warner Gordon R Combined inking and moistening roller
DE3326698A1 (de) * 1983-07-23 1985-02-07 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung zur zonenweisen messtechnischen kontrolle der feuchtmittelfuehrung im druckwerk einer offsetdruckmaschine
DE3519134C1 (de) 1985-05-29 1988-10-20 Roland Man Druckmasch Walze,insbesondere Farb- oder Verreiberwalze,fuer Druckmaschinen sowie deren Verwendung
US5107762A (en) * 1988-06-16 1992-04-28 Rockwell International Corporation Inked dampener for lithographic printing
DE4012283A1 (de) * 1990-04-17 1991-10-24 Wifag Maschf Farb- und feuchtwerk fuer ein umsteuerbares druckwerk einer rotations-offsetdruckmaschine
US6435086B1 (en) * 1995-05-04 2002-08-20 Howard W. DeMoore Retractable inking/coating apparatus having ferris movement between printing units
DE19653911C2 (de) 1996-12-21 2003-03-27 Roland Man Druckmasch Druckmaschinenwalze mit einer farbfreundlichen Beschichtung der Ballenfläche des Walzenkerns, insbesondere Farbwalze
DE19926833A1 (de) * 1999-06-12 2000-12-14 Koenig & Bauer Ag Brückenwalze
EP1147889A3 (fr) * 2000-04-14 2006-01-18 Komori Corporation Structure de rouleau dans une machine à imprimer.
FI116389B (fi) * 2002-07-16 2005-11-15 Millidyne Oy Menetelmä pinnan ominaisuuksien säätämiseksi

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4860652A (en) 1986-05-24 1989-08-29 Kabushikigaisha Tokyo Kikai Seisakusho Mesh roller for planography
EP0511543A1 (fr) 1991-04-27 1992-11-04 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Rouleau pour machine d'imprimerie

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009098102A1 (fr) * 2008-02-07 2009-08-13 Manroland Ag Groupe d'impression pour une machine de traitement
CN108430776A (zh) * 2015-11-27 2018-08-21 捷德货币技术有限责任公司 用于柔性版印刷机的网纹辊

Also Published As

Publication number Publication date
EP1466729B1 (fr) 2010-08-04
EP1466729A3 (fr) 2008-12-10
DE502004011465D1 (de) 2010-09-16
DE10316240A1 (de) 2004-11-04
ATE476295T1 (de) 2010-08-15
US20040226461A1 (en) 2004-11-18
US7127990B2 (en) 2006-10-31

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