EP1385702A1 - Aufzug für einen bogenführungszylinder in einer verarbeitungsmaschine - Google Patents
Aufzug für einen bogenführungszylinder in einer verarbeitungsmaschineInfo
- Publication number
- EP1385702A1 EP1385702A1 EP02737978A EP02737978A EP1385702A1 EP 1385702 A1 EP1385702 A1 EP 1385702A1 EP 02737978 A EP02737978 A EP 02737978A EP 02737978 A EP02737978 A EP 02737978A EP 1385702 A1 EP1385702 A1 EP 1385702A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- elevator
- coating
- guiding cylinder
- sheet guiding
- sheet
- 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
Links
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 coating machine, according to the preambles of claims 1 and 2.
- Elevators for sheet guiding cylinders are used in printing machines, especially in perfecting and reverse printing machines. After the first side has been printed or varnished and turned over, a sheet is supported by a sheet guiding cylinder, for example an impression cylinder, in order to be printed or varnished on the second (top) side.
- the fresh paint or varnish can be deposited from the first side of the sheet onto the outer surface by dye / varnish splitting.
- the outer surface of the sheet guide cylinder must be cleaned in order not to impair the print image of the subsequent sheets.
- Such an elevator is known from DE 28 20 549 AI.
- the elevator referred to here as a sheet guide film, has a two-layer structure.
- the first layer a carrier film with depressions produced on the side facing the printing material by a blasting treatment and the second layer is a cover layer made of nickel, which is arranged on the surface roughened by the blasting treatment.
- the durability of such a coating is impaired in particular by the protruding elevations of the surface due to wear (relative movement between the printing material and the surface of the elevations) and the ink 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 structurally uniformly distributed, equally high structural elements in the form of spherical caps.
- Such an elevator can be produced by electroforming a metallic carrier film or by pressing a plastic film with a high modulus of elasticity in order to form the calottes therein, followed by the deposition of a chrome top layer to compensate for the micro-roughness of the
- DE 42 30 567 A1 discloses a further development of an elevator in which the convex structural elements have an oval shape with a radius of curvature that increases from the pole of an elevation to the transition into the convex structural elements.
- a single or multi-layer jacket for a sheet guide cylinder is known.
- the jacket has a fat-repellent, wear-resistant outer layer made of nickel and / or chrome with a minimum proportion of 30%. This minimum proportion also includes admixtures of the elements Molybdenum, tungsten, cobalt, aluminum, boron, manganese, titanium, magnesium and cerium are added.
- a sealing material preferably Teflon or copying lacquer, is introduced into the pores of this outer layer.
- DE 198 50 968 AI discloses a wear-resistant paint-repellent coating - suitable for printing press components - made from a material of metal oxides or low-wear hard metals. This coating is additionally treated with a sealant from the group of polyorganosiloxanes.
- the invention is based on the object of creating an elevator of the type mentioned at the outset which
- a first advantage is based on the fact that the elevator has a special layer structure with a color / paint repellent surface, which improves the dye / lacquer cleavage.
- the build-up of paint or lacquer on the surface of the elevator arranged on a sheet guiding cylinder resulting from the cleavage is noticeably minimized.
- Another advantage is that a marked reduction in the ink release behavior can be seen on a printed or lacquered side of a sheet material carried by the outer surface of the elevator. This leads to a noticeable increase in print quality, especially with multi-color printing in the printing mode.
- the elevator or the elevators with the special coating can or can be arranged in a quickly detachable manner on a single- or multiple-sized sheet guiding cylinder, based on a single-sized forme or plate cylinder. This means that the elevator or elevators can be exchanged on a sheet guiding cylinder with short set-up times.
- the surface of the elevator forms a reduced contact area with the printed side of the sheet material.
- the contact surface is formed by a large number of irregularly arranged, essentially pointed-conical elevations with rounded profile tips, which results in a low load-bearing component.
- the contact area can additionally be 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 multi-color printing and in surface and reverse printing operations, as well as in coating machines, preferably for multiple coatings and in front and back printing operations.
- 1 is a sheet guiding cylinder with elevator in a printing press for face or reverse printing
- Fig. 4 is a surface profile (enlarged
- a sheet-fed rotary printing press has at least printing units for multi-color printing and preferably coating units.
- Each printing unit has a sheet guiding cylinder as the printing cylinder 3, the printing cylinder 3 being assigned a blanket cylinder 2 and the blanket cylinder 2 being assigned a plate cylinder 1.
- the turning drum 4 is double-sized, is mounted on the frame side and has two sheet-holding systems arranged symmetrically (offset by 180 °) on the circumference for sheet transport in front or back printing.
- the double-sized printing cylinders 3 each have a first elevator 5 and a second elevator 6 detachably arranged on a surface 10 of the printing cylinder 3 to form a curved lateral surface 11 guiding the arc.
- the elevators 5, 6 are preferably attached to the pressure cylinder 3 by means of clamping means at the beginning of the pressure 8 and clamping means at the end of the pressure 9, which are arranged in at least one cylinder channel 7.
- the sheet retention systems are preferably arranged in the cylinder channel 7.
- the elevators 5, 6 are each formed 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 an area 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 made of a stainless steel sheet, and its underside is assigned to the surface 10 of the printing cylinder 3.
- the carrier material 12 has a coating 13 (second layer) on the upper side, which is bonded to the carrier material 12 in an adherent manner.
- the coating 13 (2nd layer) carries a sealing layer 14 (3rd layer) which is assigned to the printing material and 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 has an irregular surface profile with randomly distributed, pointed-conical elevations (pointed cone 18) with end-to-end profile tips 16 with the lowest possible proportion of bearing and deepened Profile valleys 17 formed.
- Such a surface profile of the coating 13 can be achieved in 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 essentially adapted to the contour of the pointed cone 18, is formed in the vertical section (FIG. 4) by individual and / or interlinked, spaced-apart pointed cones 18 with rounded profile tips 16.
- a pretreatment of the upper side of the carrier material 12 of the elevators 5, 6 facing the printing material can be carried out before the application of the coating 13 by blasting, brushing, embossing, engraving, spark erosion, laser treatment or a purely chemical or electrochemical etching process.
- the coating 13 consists of metals such as chromium, iron, titanium, nickel, cobalt or tungsten, their oxides such as A1 2 0 3 , Ti0 2 , Cr 2 0 3 , Si0 2 , or Zr0 2 , their carbides such as WC or Cr 3 C 2 or suicides of these metals, mixtures or alloys thereof, such as NiCr and variants thereof.
- metals such as chromium, iron, titanium, nickel, cobalt or tungsten
- their oxides such as A1 2 0 3 , Ti0 2 , Cr 2 0 3 , Si0 2 , or Zr0 2
- their carbides such as WC or Cr 3 C 2 or suicides of these metals, mixtures or alloys thereof, such as NiCr and variants thereof.
- pure molybdenum (Mo) can be used as the material for the coating 13.
- Mo molybdenum
- this material Mo has a high strain hardening under mechanical stress, so that after a short operating time the surface of the coating 13 is optimally hardened.
- the sliding properties of the coating 13 made of molybdenum can be improved during operation by forming very thin molybdenum disulfide (MoS 2 ) layers through the interaction between the molybdenum and the sulfidic constituents of the mineral oil-bound paints.
- MoS 2 molybdenum disulfide
- MoS 2 can be added to the coating powder up to 30 vol.%, so that the superior sliding properties of such a molybdenum layer take effect immediately.
- tungsten carbide / cobalt (WC / Co) can be used as the preferred material for the coating 13.
- the coating 13 can be applied directly to the carrier material 12 or indirectly by means of an adhesive.
- the coating 13 can preferably be applied to the carrier material 12 using the thermal spraying process.
- the surface structure of the coating 13 can subsequently be improved by lightly grinding, polishing or peeling off the surface.
- the color-repellent character of the coating 13 can be improved by the sealing layer 14.
- the sealing layer 14 can be realized using a material with a low surface energy. To do this, are in a preferred
- Embodiment fluorinated hydrocarbons such as acrylates, but also fluoropolymers based on PTEF and fluorine-containing copolymers can be used.
- inorganic-organic hydride polymers can be applied to the top of the coating 13, which are composed of an organic SiSi network and an inorganic Si-O network.
- Functional groups such as alkyls, vinyls or metal oxides can be incorporated into these hybrid polymers.
- polyorganosiloxanes, their hydrocarbon radicals, preferably methyl groups, but also other alkyls, such as, for example, phenyl or aryl groups, can be incorporated.
- Halogenated groups, in particular F or F compounds can also be incorporated into these compounds.
- the adhesion and the wear resistance of the sealing layer 14 is due to curing at temperatures from 50 to 450 ° C can be improved.
- the sealing layer 14 in particular the polysiloxanes, must be exposed to a water vapor-saturated atmosphere after the layered body (elevator 5, 6) has been produced. At temperatures of 120 ° C and a time ⁇ ⁇ 120 min there is a residual crosslinking of free SiH groups, so that the sealing layer 14 is polymerized.
- migration additives in the form of polydimethylsiloxanes with terminally bound groups can be incorporated into the sealing layer 14, in particular when polysiloxanes are used.
- the migration additives can preferably be admixed with the sealing material when the sealing layer 14 is produced.
- a sheet guiding cylinder with detachably arranged elevators 5, 6 is not limited to the formation of a double-sized printing cylinder 3. Rather, single-size sheet guide cylinders with a base body and an elevator 5 or 3 to 4-fold sheet guide cylinders with 3 or 4 symmetrical lifts 5, 6 etc. arranged on the circumference of the base body can be executed.
- the design according to the invention is furthermore not limited to impression cylinders 3, but can be used in all cylinders which guide sheets, for example in contact drums, transfer drums, transfer drums, impression cylinders. [REFERENCE LIST]
Landscapes
- Printing Plates And Materials Therefor (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Electroluminescent Light Sources (AREA)
- Photoreceptors In Electrophotography (AREA)
- Printing Methods (AREA)
Description
Claims
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 true EP1385702A1 (de) | 2004-02-04 |
EP1385702B1 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 (de) |
EP (1) | EP1385702B1 (de) |
JP (2) | JP2004525805A (de) |
CN (1) | CN100341696C (de) |
AT (1) | ATE357338T1 (de) |
DE (2) | DE20107183U1 (de) |
ES (1) | ES2283564T3 (de) |
PT (1) | PT1385702E (de) |
WO (1) | WO2002087883A1 (de) |
Families Citing this family (11)
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 |
DE102009045752A1 (de) | 2009-10-16 | 2011-04-21 | Manroland Ag | Aufzug für einen Bogenführungszylinder und Verfahren zum Herstellen desselben |
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)
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 |
-
2001
- 2001-04-26 DE DE20107183U patent/DE20107183U1/de not_active Expired - Lifetime
-
2002
- 2002-04-22 PT PT02737978T patent/PT1385702E/pt unknown
- 2002-04-22 JP JP2002585203A patent/JP2004525805A/ja active Pending
- 2002-04-22 CN CNB028088069A patent/CN100341696C/zh not_active Expired - Fee Related
- 2002-04-22 AT AT02737978T patent/ATE357338T1/de not_active IP Right Cessation
- 2002-04-22 EP EP02737978A patent/EP1385702B1/de not_active Revoked
- 2002-04-22 ES ES02737978T patent/ES2283564T3/es not_active Expired - Lifetime
- 2002-04-22 WO PCT/EP2002/004387 patent/WO2002087883A1/de active IP Right Grant
- 2002-04-22 DE DE50209775T patent/DE50209775D1/de not_active Revoked
-
2003
- 2003-10-27 US US10/694,031 patent/US7104195B2/en not_active Expired - Fee Related
-
2008
- 2008-06-17 JP JP2008158439A patent/JP2008213495A/ja active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO02087883A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1385702B1 (de) | 2007-03-21 |
PT1385702E (pt) | 2007-06-08 |
JP2008213495A (ja) | 2008-09-18 |
ES2283564T3 (es) | 2007-11-01 |
US7104195B2 (en) | 2006-09-12 |
CN1610613A (zh) | 2005-04-27 |
DE20107183U1 (de) | 2001-07-05 |
CN100341696C (zh) | 2007-10-10 |
ATE357338T1 (de) | 2007-04-15 |
WO2002087883A1 (de) | 2002-11-07 |
JP2004525805A (ja) | 2004-08-26 |
US20060169155A1 (en) | 2006-08-03 |
DE50209775D1 (de) | 2007-05-03 |
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