EP1385702B1 - Aufzug für einen bogenführungszylinder in einer druckmaschine - Google Patents

Aufzug für einen bogenführungszylinder in einer druckmaschine Download PDF

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Publication number
EP1385702B1
EP1385702B1 EP02737978A EP02737978A EP1385702B1 EP 1385702 B1 EP1385702 B1 EP 1385702B1 EP 02737978 A EP02737978 A EP 02737978A EP 02737978 A EP02737978 A EP 02737978A EP 1385702 B1 EP1385702 B1 EP 1385702B1
Authority
EP
European Patent Office
Prior art keywords
coating
covering element
sealing layer
sheet
element according
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.)
Revoked
Application number
EP02737978A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1385702A1 (de
Inventor
Gerhard Johner
Markus Kirst
Ruth Kremer
Rainer Schneider
Uwe Wilms
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
Praxair ST Technology Inc
Praxair Technology Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7956220&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1385702(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, Praxair ST Technology Inc, Praxair Technology Inc filed Critical MAN Roland Druckmaschinen AG
Publication of EP1385702A1 publication Critical patent/EP1385702A1/de
Application granted granted Critical
Publication of EP1385702B1 publication Critical patent/EP1385702B1/de
Anticipated expiration legal-status Critical
Revoked 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
    • 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
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12389—All metal or with adjacent metals having variation in thickness
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12993—Surface feature [e.g., rough, mirror]

Definitions

  • the invention relates to an elevator for a sheet guiding cylinder in a processing machine, in particular a printing or varnishing machine, according to the preambles of claim 1.
  • Elevators for sheet guiding cylinders are in use in printing machines, especially in perfecting presses.
  • a sheet guiding cylinder such as a counter-pressure cylinder to be printed or painted now on the second (top) page.
  • the fresh paint or the paint from the first page of the sheet on the lateral surface by paint / paint splitting deposit.
  • the outer surface of the sheet guiding cylinder must be cleaned so as not to affect the printed image of the subsequent sheets.
  • Such an elevator is known from DE 28 20 549 A1.
  • the elevator here referred to as sheet guide foil, has a two-layered layer structure.
  • the first layer a carrier film with recesses produced on the side to be printed by blasting and the second layer is a covering layer of nickel which is arranged on the surface roughened by the blasting treatment.
  • the durability of such a coating is particularly affected by the protruding elevations of the surface due to wear (relative movement between the substrate and the surface of the surveys) and the color splitting behavior is in need of improvement.
  • an elevator film in which the surface provided for contact with the material to be printed is provided with statistically uniformly distributed, equally high structural elements in the form of spherical caps.
  • Such an elevator can be made by electroforming a metallic carrier sheet or pressing a high modulus plastic film to form the dome therein, followed by depositing a chromium topcoat to equalize the microroughness of the surface of the dome in the carrier sheet. The small thickness of the cover layer limits the life of the elevator.
  • a single or multilayer jacket for a sheet guiding cylinder is known.
  • the jacket has a grease-resistant, wear-resistant outer layer of nickel and / or chromium with a minimum proportion of 30%.
  • admixtures of the elements Molybdenum, tungsten, cobalt, aluminum, boron, manganese, titanium, magnesium and cerium are fed.
  • a sealing substance preferably Teflon or copying lacquer, is introduced into the pores of this outer layer.
  • the invention is based on the object to provide an elevator of the type mentioned above, which avoids the disadvantages mentioned, which is particularly easier to remove as a sealing elevator from the sheet guiding cylinder and having a surface with improved color fading behavior and with significantly reduced wear.
  • a first advantage is due to the fact that the elevator has a special layer structure with a color / paint-repellent surface, which improves the color / paint splitting.
  • the build-up of paint or varnish on the surface of the elevator arranged on a sheet guiding cylinder resulting from the cleavage is noticeably minimized.
  • Another advantage is that, in the case of a printed or painted side, one of the lateral surface of the elevator worn sheet material a significant reduction in the color delivery behavior is recognizable. This leads to a noticeable increase in print quality, especially in multi-color printing in perfecting mode.
  • the elevator or the elevators with the special coating can be arranged in a detachable manner on a single or multiple-sized sheet guiding cylinder, relative to a single-sized forming or plate cylinder, or are.
  • For an exchange of the elevator or the lifts on a sheet guiding cylinder can be realized with short set-up times.
  • the surface of the elevator forms a reduced contact surface to the printed side of the sheet material.
  • the contact surface is formed by a plurality of irregularly arranged, substantially conical elevations with rounded profile crests, resulting in a low bearing ratio.
  • the contact surface is additionally minimized by a preferred structuring of the layer structure.
  • the elevator designed according to the invention can be used universally on sheet guiding cylinders in processing machines.
  • Such sheet guiding cylinders can be used in printing presses (with or without coating units), preferably for multicolor printing and in perfecting mode, as well as in varnishing machines, preferably for multiple varnishes and in perfecting printing.
  • a sheet-fed rotary printing press has at least printing units for the multi-color printing and preferably coating units.
  • Each printing unit has a sheet guiding cylinder as a printing cylinder 3, wherein the printing cylinder 3, a blanket cylinder 2 and the blanket cylinder 2, a plate cylinder 1 is assigned.
  • the turning drum 4 is double-sized, is mounted on the frame side and has two peripherally symmetrical (180 ° offset) arranged sheet holding systems for sheet transport in beautiful or perfecting.
  • Double-sized impression cylinder 3 On the arranged in the conveying direction after the turning drum 4 Double-sized impression cylinder 3 are each a first elevator 5 and a second elevator 6 detachably arranged on a surface 10 of the printing cylinder 3 to form a curved, the sheet-guiding jacket surface 11.
  • the attachment of the lifts 5, 6 takes place on the printing cylinder 3 by means of clamping means at the beginning of printing 8 and clamping means at the printing end 9, which are arranged in at least one cylinder channel 7.
  • the sheet holding systems are arranged in the cylinder channel 7.
  • the elevators 5, 6 are each designed as a laminated body with three layers, identical in construction. At the end, the elevators 5, 6, in particular the carrier material 12, each have a region 15. This area 15 serves to fix the elevators 5, 6 in clamping means 8, 9.
  • a carrier material 12 (1st layer) is flexible and preferably metallic, for example, formed from a stainless steel sheet, and is associated with its underside of the surface 10 of the printing cylinder 3.
  • the carrier material 12 carries on the upper side a coating 13 (2nd layer), which is adhesively bonded to the carrier material 12.
  • the coating 13 (2nd layer) carries a sealing layer 14 (3rd layer) associated with the printing material, which is adhesively bonded to the coating 13.
  • the coating 13 is structured with a surface profile.
  • the layer thickness is between 10 and 120 ⁇ m and the roughness R z is 5 to 60 ⁇ m.
  • the coating 13 is formed with an irregular surface profile, preferably with randomly distributed, pointed conical elevations (pointed cone 18) with profiled ends 16 arranged at the end, with the smallest possible carrying proportion and recessed Profile valleys 17.
  • a surface profile of the coating 13 can be achieved during the coating process itself or subsequently by etching the coating 13.
  • the surface profile of the coating 13 and the sealing layer 14, which is substantially adapted to the contour of the pointed cones 18, is preferably formed in a vertical section (FIG. 4) by individual and / or interlinked pointed cones 18 with rounded profile caps 16.
  • the coating 13 consists of metals such as chromium, iron, titanium, nickel, cobalt or tungsten, their oxides such as Al 2 O 3 , TiO 2 , Cr 2 O 3 , SiO 2 , or ZrO 2 , their carbides such as WC or Cr 3 C 2 or silicides of these metals, mixtures or alloys thereof, such as NiCr.
  • pure molybdenum (Mo) can be used as the material for the coating 13.
  • Mo molybdenum
  • This material Mo has in addition to favorable sliding properties on a high work hardening under mechanical stress, so that after a short period of operation an optimally solidified surface of the coating 13 is present.
  • the slip properties of the molybdenum coating 13 can be improved during operation by forming very thin molybdenum disulfide (MoS 2 ) layers through the interaction between the molybdenum and the sulfidic components of the mineral oil-bound paints.
  • MoS 2 molybdenum disulfide
  • the coating powder up to 30 vol.% Added, so that the superior sliding properties of such a molybdenum layer immediately effective.
  • tungsten carbide / cobalt (WC / Co) can be used as the preferred material for the coating 13.
  • the coating 13 may be applied directly to the substrate 12 or indirectly by means of an adhesion promoter.
  • the application of the coating 13 to the substrate 12 is preferably realized in the thermal spraying process.
  • the surface structure of the coating 13 is subsequently improved in an embodiment by a slight grinding, polishing or removal of the surface.
  • the color-repellent character of the coating 13 can be improved by the sealing layer 14.
  • the sealing layer 14 is realized by a low surface energy material according to claim 1.
  • fluorinated acrylates but also other fluoropolymers, for example, on the basis of PTEF and fluorine-containing copolymers can be used.
  • polyorganosiloxanes their hydrocarbon radicals, preferably methyl groups but also other alkyls, such as phenyl or aryl groups can be incorporated.
  • Halogenated groups, in particular F or F compounds can furthermore be incorporated into these compounds.
  • the adhesion and the wear resistance of the sealing layer 14 is by curing at temperatures of 50 to 450 ° C can be improved.
  • the sealing layer 14 in particular the polysiloxanes, after exposure of the laminated body (elevator 5, 6) to a water vapor-saturated atmosphere.
  • t max. 120 ° C and a time ⁇ ⁇ 120 min is a residual crosslinking of free SiH groups, so that the sealing layer 14 is fully polymerized.
  • migration additives in the form of polydimethylsiloxanes having terminally bound groups can be incorporated into the sealing layer 14, in particular when polysiloxanes are used.
  • the migration additives are preferably admixable to the sealant during the production of the sealing layer 14.
  • a sheet guiding cylinder with removably arranged elevators 5, 6 is not limited to the formation of a double-sized printing cylinder 3. Rather, single-sized sheet guiding cylinders with a base body and an elevator 5 or 3 to 4-fold sheet guiding cylinder with 3- or 4-symmetrically arranged on the circumference of the body lifts 5, 6 executable.
  • the inventive design is further not limited to printing cylinder 3, but is in all bow-leading cylinders, for example in investment drums, transfer drum, transfer drum, printing cylinders used.

Landscapes

  • Printing Plates And Materials Therefor (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Electroluminescent Light Sources (AREA)
  • Printing Methods (AREA)
EP02737978A 2001-04-26 2002-04-22 Aufzug für einen bogenführungszylinder in einer druckmaschine Revoked EP1385702B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20107183U DE20107183U1 (de) 2001-04-26 2001-04-26 Aufzug für einen Bogenführungszylinder in einer Verarbeitungsmaschine
DE20107183U 2001-04-26
PCT/EP2002/004387 WO2002087883A1 (de) 2001-04-26 2002-04-22 Aufzug für einen bogenführungszylinder in einer verarbeitungsmaschine

Publications (2)

Publication Number Publication Date
EP1385702A1 EP1385702A1 (de) 2004-02-04
EP1385702B1 true EP1385702B1 (de) 2007-03-21

Family

ID=7956220

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02737978A Revoked EP1385702B1 (de) 2001-04-26 2002-04-22 Aufzug für einen bogenführungszylinder in einer druckmaschine

Country Status (9)

Country Link
US (1) US7104195B2 (enrdf_load_stackoverflow)
EP (1) EP1385702B1 (enrdf_load_stackoverflow)
JP (2) JP2004525805A (enrdf_load_stackoverflow)
CN (1) CN100341696C (enrdf_load_stackoverflow)
AT (1) ATE357338T1 (enrdf_load_stackoverflow)
DE (2) DE20107183U1 (enrdf_load_stackoverflow)
ES (1) ES2283564T3 (enrdf_load_stackoverflow)
PT (1) PT1385702E (enrdf_load_stackoverflow)
WO (1) WO2002087883A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009045752A1 (de) 2009-10-16 2011-04-21 Manroland Ag Aufzug für einen Bogenführungszylinder und Verfahren zum Herstellen desselben

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1593512A3 (de) 2004-05-04 2006-05-24 MAN Roland Druckmaschinen AG Druckmaschine
DE102005031164A1 (de) * 2005-07-04 2007-01-18 Koenig & Bauer Ag Oberfläche für bedruckstoffführende Teile einer Druckmaschine und Verfahren zur Herstellung einer solchen Oberfläche
DE102005050070A1 (de) * 2005-10-19 2007-04-26 Koenig & Bauer Ag Bogenführender Rotationskörper
DE102006030062B3 (de) * 2006-06-29 2007-10-11 Man Roland Druckmaschinen Ag Bogenführungszylinder mit Aufzug in einer Verarbeitungsmaschine
JP2008105244A (ja) * 2006-10-25 2008-05-08 Komori Corp 印刷機の圧胴又は搬送胴の被覆体
DE102009009460A1 (de) * 2009-02-18 2010-08-19 Manroland Ag Bogenführungszylinder mit Aufzug in einer Verarbeitungsmaschine
JP4738515B2 (ja) * 2009-08-06 2011-08-03 住友ゴム工業株式会社 印刷方法とそれに用いる溶剤吸収体
JP5123965B2 (ja) 2010-03-03 2013-01-23 東京印刷機材トレーディング株式会社 オフセット枚葉印刷機用圧胴・渡し胴ジャケット
DE102011078625A1 (de) * 2010-08-24 2012-03-01 Manroland Ag Bogendruckmaschine
DE102012222527A1 (de) 2011-12-22 2013-06-27 Koenig & Bauer Ag Anordnung zum Befestigen eines Aufzuges auf einer Oberfläche eines Zylinders

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH620863A5 (en) 1977-06-24 1980-12-31 Von Roll Ag Metal foil with sheet-bearing surface
DD136480A1 (de) * 1978-05-26 1979-07-11 Herbert Patzelt Ein-oder mehrschichtiger mantel fuer bogenfuehrende zylinder
DE2916505A1 (de) * 1979-04-24 1980-10-30 Heidelberger Druckmasch Ag Bogenfuehrende folie als aufzug fuer gegendruckzylinder
DE3023246A1 (de) 1979-07-02 1981-01-08 Polygraph Leipzig Ein- oder mehrschichtiger mantel fuer bogenfuehrende zylinder
US4402267A (en) * 1981-03-11 1983-09-06 Printing Research Corporation Method and apparatus for handling printed sheet material
DE3931479A1 (de) * 1989-09-21 1991-04-04 Heidelberger Druckmasch Ag Bogenfuehrende folie als aufzug fuer gegendruckzylinder und bogenueberfuehrungszylinder in bogenoffsetdruckmaschinen fuer schoen- und widerdruck
DE4230567C2 (de) * 1992-09-12 1994-06-30 Heidelberger Druckmasch Ag Folie als Aufzug für einen Gegendruckzylinder einer Offset-Bogen-Rotationsdruckmaschine zum Schön- und Widerdruck
JP3439569B2 (ja) * 1994-04-25 2003-08-25 新日本製鐵株式会社 圧胴または中間胴
US6119597A (en) * 1994-06-14 2000-09-19 Howard W. DeMoore Method and apparatus for handling printed sheet material
JP3132965B2 (ja) * 1994-11-07 2001-02-05 三菱重工業株式会社 ローラ表面の防汚処理方法
DE19850968A1 (de) 1998-11-05 2000-05-25 Roland Man Druckmasch Verschleißhemmende, farbabweisende Beschichtung, insbesondere von Druckmaschinenkomponenten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009045752A1 (de) 2009-10-16 2011-04-21 Manroland Ag Aufzug für einen Bogenführungszylinder und Verfahren zum Herstellen desselben

Also Published As

Publication number Publication date
US7104195B2 (en) 2006-09-12
JP2008213495A (ja) 2008-09-18
DE50209775D1 (de) 2007-05-03
CN100341696C (zh) 2007-10-10
ATE357338T1 (de) 2007-04-15
US20060169155A1 (en) 2006-08-03
PT1385702E (pt) 2007-06-08
WO2002087883A1 (de) 2002-11-07
DE20107183U1 (de) 2001-07-05
JP2004525805A (ja) 2004-08-26
EP1385702A1 (de) 2004-02-04
CN1610613A (zh) 2005-04-27
ES2283564T3 (es) 2007-11-01

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