EP0858909B1 - Druckmaschine mit einem korrosiongeschützten Druckwerkzylinder - Google Patents
Druckmaschine mit einem korrosiongeschützten Druckwerkzylinder Download PDFInfo
- Publication number
- EP0858909B1 EP0858909B1 EP97119106A EP97119106A EP0858909B1 EP 0858909 B1 EP0858909 B1 EP 0858909B1 EP 97119106 A EP97119106 A EP 97119106A EP 97119106 A EP97119106 A EP 97119106A EP 0858909 B1 EP0858909 B1 EP 0858909B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- plastic
- thickness
- printing press
- printing
- 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
Links
Images
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
- B41N10/00—Blankets or like coverings; Coverings for wipers for intaglio printing
-
- 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
- B41N2207/14—Location or type of the layers in shells for rollers of printing machines characterised by macromolecular organic compounds
-
- 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
- B41N2210/00—Location or type of the layers in multi-layer blankets or like coverings
- B41N2210/02—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
- B41N2210/00—Location or type of the layers in multi-layer blankets or like coverings
- B41N2210/14—Location or type of the layers in multi-layer blankets or like coverings characterised by macromolecular organic compounds
-
- 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
Definitions
- the printing unit cylinders used in today's printing presses especially the Blanket cylinder and the plate cylinder of roll or rotary Sheet-fed rotary offset presses are used to prevent corrosion of the Cylinder surface usually covered with protective layers.
- easy Corrosion protection layers for cast iron or steel cylinders are made by phosphating and subsequent oiling of the cylinder jacket surface.
- high-quality corrosion protection layers for printing unit cylinders by galvanic To produce galvanizing, nickel plating and chrome plating, such as that in the US-PS 4,643,095 is described, or such thin metal layers made of chromium, nickel etc. using a laser to melt onto the plate cylinder (DE 36 08 286).
- Other metal layers e.g. Stainless steel, e.g. JP-OS 4-238034 teaches Plasma coatings applied to the printing cylinder in an argon atmosphere.
- a dampening roller for the dampening unit is one Offset printing machine described, the hydrophilic between 50 microns and 150 microns thick Layer of a mixture of polyurethane and quartz powder. Apart from that it is not a pressure cylinder and an anti-corrosion layer, the surface of this dampening roller is ground after coating.
- rollers in the inking or dampening unit are suitable Printing machine applied coatings from plastics such as polyamides (Rilsan) not particularly good as a corrosion protection layer because these layers on the Surface of the cylinder adhere poorly, so it can be shrunk on relatively thick and then require reworking of the cylinder surface.
- plastics such as polyamides (Rilsan) not particularly good as a corrosion protection layer because these layers on the Surface of the cylinder adhere poorly, so it can be shrunk on relatively thick and then require reworking of the cylinder surface.
- Shrink bandage is also only with completely closed cylinder surfaces possible.
- this corrosion protection layer is produced by the Surface by turning, blasting etc. with a clean, micro-rough surface provided printing unit cylinder in a solvent or dispersant dissolved or dispersed thermally crosslinkable plastic such as Polyurethane, nitrile butadiene, phenol or epoxy resin, silicone resin, acrylic resin or acrylate is applied evenly thin on the cylinder surface, then the cylinder dried and then cured or crosslinked at elevated temperature, so that a abrasion-resistant, maximum 100 ⁇ m thick protective layer that adheres to the Cylinder surface is connected.
- the cylinder provided with this layer then becomes assembled without further processing of the surface shape and in the printing press built-in. Because, for example, by spraying the plastic on the Have the cylinder surface produce very uniform layers Shape deviations of the cylinder surface are still within after coating the required tolerance range of typically 5 ⁇ m, so that a subsequent Post-processing can be dispensed with.
- the cylinders designated 2 and 3 in the printing unit 1 of FIG. 1, namely the Plate cylinder 2 and the blanket cylinder 3 are made of cast iron or steel and were very precise in terms of the shape of their surface to a diameter with a Concentricity of 0.01mm brought. Before installing it in the press its surface was coated with an anti-corrosion layer in the following way Mistake:
- the surface was cleaned by sandblasting with a defined grain size and roughened, resulting in a roughness depth of approx. 5 ⁇ m. Then was on the surface prepared in this way is a mixture of the main components nitrile butadiene (100 parts), phenolic resin (100 parts), carbon black (70 parts), vulcanizing agent (30 parts), Zinc oxide (5 parts), stearic acid (1 part), accelerator (1 part) and Hexamethyltetraamine (6 parts) dissolved as a 30% solution of a suitable organic Solvent at a temperature of around 60 degrees Celsius to around 50 Celsius sprayed on heated cylinder.
- the cylinder 2 became uniform rotated and the spray head 4 at a constant speed over its surface performed as outlined in Figure 2 ..
- the cylinder sprayed in this way was then at the temperature mentioned for several hours dried until the layer was solvent free. Then the temperature raised to 130 degrees and held constant for about 2 hours, which makes the shift polymerized.
- an additional primer based on a Phenolic resin for example polybutirals in a very thin layer of approx. 10 ⁇ m spray on the cylinder surface.
- the cylinder surface can also be phosphated before coating.
- the through-hardened protective layer obtained in a thickness of 50 microns protects the Cylinder surface very effective against corrosion, is resistant to the at Offset printing used inks, detergents and solvents and relatively impact and abrationsfest.
- e.g. B also one Lacquer layer based on a dissolved polyurethane compound essentially after be sprayed onto cylinder 2 using the same method.
- suitable PU connections include in U.S. Patents 5,552,496 and 5,459,197 which is expressly referred to here.
- Such a coating is also suitable for others because of its adhesive strength sheet-guiding printing unit cylinders that do not have a completely closed cylinder surface own, but with z. B. channels or recesses are provided, such as. B. Convicted drums.
Landscapes
- Printing Plates And Materials Therefor (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
- Figur 1
- ist eine vereinfachte Prinzipskizze, die das Druckwerk einer Offsetdruckmaschine mit dem Plattenzylinder und dem Gummituchzylinder im Schnitt zeigt.
- Figur 2
- ist eine einfache Schemazeichnung, die den Beschichtungsvorgang des Zylinders 2 aus Figur 1 skizziert.
Claims (11)
- Verfahren zum Aufbringen einer Korrosionsschutzschicht auf die Oberfläche eines Zylinders für das Druckwerk einer Druckmaschine, wobei
der Zylinder z.B. durch Drehen, Strahlen etc. mit einer sauberen, mikrorauhen Oberfläche versehen wird,
ein in einem Lösungsmittel gelöster, thermisch vernetzbarer Kunststoff gleichmäßig auf die Zylinderoberfläche aufgetragen wird,
die Kunststoffschicht anschließend getrocknet und bei erhöhter Temperatur ausgehärtet bzw. vernetzt wird, und
der Zylinder dann ohne weitere Bearbeitung der Oberflächenform montiert wird. - Verfahren nach Anspruch 1,
wobei der Auftrag des gelösten Werkstoffes auf den Zylinder bei erhöhter Temperatur erfolgt. - Verfahren nach Anspruch 2,
wobei der Zylinder auf eine Temperatur zwischen 40 und 80 Grad Celsius gebracht und der gelöste Kunststoff ebenfalls im Temperaturbereich zwischen 40 Grad Celsius und 80 Grad Celsius aufgetragen wird. - Verfahren nach Anspruch 1,
wobei die Vernetzung des Kunststoffs bei Temperaturen oberhalb von 120 Grad erfolgt. - Verfahren nach Anspruch 1,
wobei der gelöste Kunststoff auf die Zylinderoberfläche aufgesprüht wird. - Verfahren nach einem der Ansprüche 1 bis 5,
wobei die Oberfläche des Zylinders vor dem Auftragen des Kunststoffs mit einem Haftprimer versehen wird. - Verfahren nach einem der Ansprüche 1 bis 5,
wobei die Oberfläche des Zylinders vor dem Auftragen des Kunststoffes phosphatiert wird. - Verfahren nach einem der Ansprüche 1 bis 7,
wobei der Kunststoff einen der Stoffe Polyurethan, Phenolharz, Epoxyharz, Polyesterharz, Silikonharz, Acrylharz, Acrylate, Nitrilbutadien oder eine Mischung dieser Stoffe enthält. - Druckmaschine mit einem Druckwerkszylinder, dessen Oberfläche eine Korrosionsschutzschicht trägt, wobei die Schutzschicht höchsten 100 µm stark ist, aus einem verschleiß- und abriebfesten, thermisch vernetzbaren Kunststoff besteht, der haftfest auf die Oberfläche aufgebracht ist, und die Dickenvariation der Schicht den größeren Wert aus 20 % ihrer Stärke und 5µm nicht überschreitet.
- Druckmaschine nach Anspruch 9,
wobei die Schutzschicht in einer Stärke von bis zu 50 µm mit einer Dickentoleranz von 5 µm aufgebracht ist. - Druckmaschine nach einem der Ansprüche 9 bis 10,
wobei der Druckwerkszylinder der Plattenzylinder oder Gummituchzylinder einer Offsetdruckmaschine ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19705671 | 1997-02-14 | ||
DE19705671A DE19705671A1 (de) | 1997-02-14 | 1997-02-14 | Druckmaschine mit einem korrosionsgeschützten Druckwerkszylinder |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0858909A2 EP0858909A2 (de) | 1998-08-19 |
EP0858909A3 EP0858909A3 (de) | 1999-09-01 |
EP0858909B1 true EP0858909B1 (de) | 2003-05-21 |
Family
ID=7820248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97119106A Expired - Lifetime EP0858909B1 (de) | 1997-02-14 | 1997-11-03 | Druckmaschine mit einem korrosiongeschützten Druckwerkzylinder |
Country Status (4)
Country | Link |
---|---|
US (1) | US6006663A (de) |
EP (1) | EP0858909B1 (de) |
JP (1) | JPH10226183A (de) |
DE (2) | DE19705671A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6253053B1 (en) * | 2000-01-11 | 2001-06-26 | Xerox Corporation | Enhanced phenolic developer roll sleeves |
US6802123B2 (en) * | 2002-05-17 | 2004-10-12 | Shin Soong | Method of manufacturing a rolling shaft of a photo printer |
DE102006015474A1 (de) * | 2006-03-31 | 2007-10-04 | Heidelberger Druckmaschinen Ag | Folientransferwerk mit integrierter Weiterverarbeitungseinrichtung |
US9191997B2 (en) * | 2010-10-19 | 2015-11-17 | Gentherm Gmbh | Electrical conductor |
US20130311382A1 (en) | 2012-05-21 | 2013-11-21 | Klaus S. Fosmark | Obtaining information for a payment transaction |
US9521548B2 (en) | 2012-05-21 | 2016-12-13 | Nexiden, Inc. | Secure registration of a mobile device for use with a session |
US9642005B2 (en) * | 2012-05-21 | 2017-05-02 | Nexiden, Inc. | Secure authentication of a user using a mobile device |
CN106000811B (zh) * | 2016-06-11 | 2019-05-10 | 江苏浩帮重钢制造有限公司 | 一种桥梁接触网钢板复合防腐处理工艺 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1404209A (en) * | 1919-02-03 | 1922-01-24 | Ideal Roller And Mfg Company | Roller |
US2927346A (en) * | 1954-04-16 | 1960-03-08 | Edward D Hill | Method of making an ink-carrier roller |
FR1180308A (fr) * | 1956-08-03 | 1959-06-03 | Bayer Ag | Procédé d'obtention de corps poreux ou homogènes |
US3133340A (en) * | 1959-11-10 | 1964-05-19 | Goodyear Tire & Rubber | Printer's roll comprising a polyurethane and method for producing same |
US3225419A (en) * | 1963-11-12 | 1965-12-28 | Interchem Corp | Roller for applying fountain solution in lithographic printing |
ES326504A1 (es) * | 1965-05-07 | 1967-03-01 | Pirelli | Un procedimiento para el revestimiento de cilindros metalicos con elastomeros vulcanizables. |
US3599306A (en) * | 1969-06-13 | 1971-08-17 | Beloit Corp | Roll composition |
DE2204413A1 (de) * | 1972-01-31 | 1973-08-09 | Reichhold Albert Chemie Ag | Verwendung von durch acetessigestergruppen modifizierten epoxydharzen |
DE2328738A1 (de) * | 1973-06-06 | 1975-01-09 | Metallurg Gmbh | Beschichtete walze oder zylinder fuer druck- und papiermaschinen |
DD136481A1 (de) * | 1978-05-26 | 1979-07-11 | Heiner Fink | Ein-oder mehrschichtiger mantel fuer zylinder |
US4296172A (en) * | 1978-12-07 | 1981-10-20 | Hill Edward D | Ink transfer member |
JPS5619758A (en) * | 1979-07-27 | 1981-02-24 | Dainippon Printing Co Ltd | Preparation of gravure cylinder made of resin |
US4571798A (en) * | 1983-09-19 | 1986-02-25 | Beloit Corporation | Urethane covered paper machine roll |
DE8434353U1 (de) * | 1984-11-23 | 1985-02-21 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | Druckwerkszylinder fuer offset-rotationsdruckmaschinen |
JPS61193892A (ja) * | 1985-02-22 | 1986-08-28 | Mitsubishi Heavy Ind Ltd | 印刷機における湿し装置用ゴムロ−ラの皮膜形成方法 |
DE3608286A1 (de) * | 1985-04-03 | 1986-10-09 | Winfried 7758 Meersburg Heinzel | Verfahren zur oberflaechenbehandlung eines druckmaschinenzylinders, druckmaschinenzylinder sowie verwendung derselben |
US5176940A (en) * | 1989-02-28 | 1993-01-05 | Valmet Paper Machinery Inc. | Method for forming a coated roll |
DE4129120C2 (de) * | 1991-09-02 | 1995-01-05 | Haldenwanger Tech Keramik Gmbh | Verfahren und Vorrichtung zum Beschichten von Substraten mit hochtemperaturbeständigen Kunststoffen und Verwendung des Verfahrens |
FI100314B (fi) * | 1992-02-06 | 1997-11-14 | Valmet Paper Machinery Inc | Paperikoneen telan pinnoittaminen ja telan pinnoite |
US5415612A (en) * | 1992-06-12 | 1995-05-16 | American Roller Company | Compressible roller |
DE4224343C2 (de) * | 1992-07-23 | 1995-11-02 | Zweckform Etikettiertechnik | Verfahren zum Bedrucken von Bahnmaterial |
DE4226789A1 (de) * | 1992-08-13 | 1994-02-17 | Sigri Great Lakes Carbon Gmbh | Faserverstärkte Kunststoffwalze mit äußerer, verschleißfester, füllerhaltiger Kunststoffschicht |
DE4315813A1 (de) * | 1993-05-12 | 1994-11-17 | Hoechst Ag | Verfahren zur Herstellung von Druckwalzen aus einem metallischen Kernzylinder und einer Kupfer- oder Kupferlegierungsauflage |
-
1997
- 1997-02-14 DE DE19705671A patent/DE19705671A1/de not_active Withdrawn
- 1997-11-03 DE DE59710124T patent/DE59710124D1/de not_active Expired - Fee Related
- 1997-11-03 EP EP97119106A patent/EP0858909B1/de not_active Expired - Lifetime
-
1998
- 1998-02-10 JP JP10028200A patent/JPH10226183A/ja active Pending
- 1998-02-17 US US09/023,956 patent/US6006663A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6006663A (en) | 1999-12-28 |
DE19705671A1 (de) | 1998-08-20 |
DE59710124D1 (de) | 2003-06-26 |
EP0858909A3 (de) | 1999-09-01 |
EP0858909A2 (de) | 1998-08-19 |
JPH10226183A (ja) | 1998-08-25 |
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