EP0623466B1 - Druckwalze mit einer Hülse aus thermisch gewickelten faserverstärkten Thermoplasten und einer plasmagespritzten Kupfer- oder Kupferlegierungsbeschichtung - Google Patents

Druckwalze mit einer Hülse aus thermisch gewickelten faserverstärkten Thermoplasten und einer plasmagespritzten Kupfer- oder Kupferlegierungsbeschichtung Download PDF

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Publication number
EP0623466B1
EP0623466B1 EP19940105693 EP94105693A EP0623466B1 EP 0623466 B1 EP0623466 B1 EP 0623466B1 EP 19940105693 EP19940105693 EP 19940105693 EP 94105693 A EP94105693 A EP 94105693A EP 0623466 B1 EP0623466 B1 EP 0623466B1
Authority
EP
European Patent Office
Prior art keywords
printing roller
copper
fibers
sleeve
fiber
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
Application number
EP19940105693
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0623466A2 (de
EP0623466A3 (de
Inventor
Heinrich Kühn
Frank Dr. Herberg
Dieter Dr. Jaculi
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Publication of EP0623466A2 publication Critical patent/EP0623466A2/de
Publication of EP0623466A3 publication Critical patent/EP0623466A3/de
Application granted granted Critical
Publication of EP0623466B1 publication Critical patent/EP0623466B1/de
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
    • 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
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/16—Curved printing plates, especially cylinders
    • B41N1/20—Curved printing plates, especially cylinders made of metal or similar inorganic compounds, e.g. plasma coated ceramics, carbides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/08—Metallic material containing only metal elements
    • 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
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1355—Elemental metal containing [e.g., substrate, foil, film, coating, etc.]
    • Y10T428/1359—Three or more layers [continuous layer]
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]

Definitions

  • the invention relates to a pressure roller with a core cylinder and removable sleeve.
  • Solid steel rollers are usually used for gravure printing electroplated with a copper layer that has a layer thickness in the range of Has 0.2 to 3.0 mm, coated.
  • the for the gravure printing process either chemically, Introduce mechanically or with the help of laser technology.
  • the sleeve technology has proven itself in the with removable sleeves made of nickel or thermosetting Fiber composite materials that are additionally coated with rubber be worked.
  • the sleeves are made of metal on the roller core pneumatically mounted and can be easily removed after use will. So far, however, this technique is still used for gravure printing not feasible because suitable sleeves can be machined Copper layer could not yet be provided.
  • US-A-4,503,769 describes the application of a flame-sprayed zinc layer directly a hollow plastic cylinder and the subsequent application of a copper layer.
  • the Zinc coating is used to interlock with the surface of the hollow plastic cylinder and Limitation of the temperature effect on the plastic body.
  • the object of the present invention was a pressure roller for the To provide gravure printing, which allows it without large technical effort after the sleeve technology a change of Function profile.
  • the complete roller is not meant to be be replaced, but only a sleeve to reduce the amount Achieve machine downtimes in combination with less Expenses for the storage and transportation of steel rollers and greater flexibility in operation.
  • the present invention solves this problem by a pressure roller
  • the sleeve has a tubular shape
  • Base body made of a thermoplastic fiber-reinforced plastic material includes and in which the base body on its outer surface with a layer of copper or a layer produced by plasma spraying Copper alloy is coated.
  • the plastic matrix is preferably the thermoplastic fiber-reinforced plastic material due to heat melted so that the individual layers while maintaining the fiber matrix distribution of the thermoplastic fiber reinforced Plastic material in the base body with the simultaneous formation of a homogeneous matrix-rich surface are welded together.
  • thermoplastic fiber reinforced material contains carbon, glass, Aramid, metal, ceramic, boron or other fibers as continuous or Long fibers. Any combination of different fiber materials inside the body is also possible.
  • the matrix system consists of thermoplastic Plastics such as polypropylene (PP), polyamides (PA) such as Polyhexamethylene adipamide or poly- ⁇ -caprolactam, high pressure or Low pressure polyethylene (PE), polyphenylene sulfide (PPS), polycarbonate (PC), polyoxymethylene (POM), polyether ether ketones (PEK) or from thermoplastic polyesters, e.g. Polyethylene terephthalate (PET) or Polybutylene terephthalate (PBT).
  • PP polypropylene
  • PA polyamides
  • PE polyhexamethylene adipamide or poly- ⁇ -caprolactam
  • PE polyethylene
  • PPS polyphenylene sulfide
  • PC polycarbonate
  • POM polyoxymethylene
  • PEK polyether ether ketones
  • thermoplastic polyesters e.g. Polyethylene terephthalate (PET) or Polybutylene terephthalate (PBT).
  • thermoplastic fiber reinforced material is in the form of impregnated tapes or fabrics.
  • the fiber content is 30 to 80% by weight, preferably 50 to 75% by weight.
  • the making of this Tapes are made e.g. by melt, powder or Suspension impregnation in the pultrusion process.
  • thermoplastic fiber-reinforced material For the production of base bodies of the type according to the invention, on a carrier which e.g. can consist of metal, several layers of one thermoplastic fiber-reinforced material applied and online consolidated.
  • the carrier is rotated and with the thermoplastic fiber-reinforced material, which is in the form of a or several ribbons or fabrics is wrapped.
  • the Winding angle can be varied in a range from 0 ° to ⁇ 90 ° to adjust.
  • the plastic matrix of the fiber composite tape is affected by heat, for example with the help of a gas burner, in a molten liquid State shifted.
  • both before Application as well as after applying the above fiber-reinforced thermoplastic material on the carrier another also fiber-reinforced thermoplastic material with a high Matrix portion are applied.
  • the fiber content of this second material is significantly less than that of the first material and is preferably 1 to 30% by weight, particularly preferably 5 to 15% by weight.
  • thermoplastic film tape applied to the first material, which is also exposed to heat the fiber-rich material is welded.
  • thermoplastic film tape applied to the first material, which is also exposed to heat the fiber-rich material is welded.
  • the basic body described above advantageously has one particularly high precision with regard to its geometric dimensions.
  • a 1 meter long molded body with a Diameter of 100 mm and a wall thickness of ⁇ 3 mm with a Wall thickness tolerance of ⁇ 0.3 mm, preferably ⁇ 0.2 mm, manufactured will.
  • the plasma-sprayed copper layer is applied directly to the matrix-rich outer surface of the base body.
  • the surface is first subjected to a roughening process without the surface geometry being changed significantly.
  • the surface is preferably treated with a sandblasting process in preparation for the application of the copper layer.
  • the surface can be roughened with sandblasting equipment, preferably mineral blasting material such as fine-grained aluminum oxide, zirconium corundum, etc. being suitable as the abrasive.
  • Preferred blasting conditions are a blasting pressure in the range from 1 to 3 bar, a grain size in the range from 20 to 200 ⁇ m, a distance from the nozzle to the surface to be treated in the range from 90 to 120 mm and a movement of the nozzle over the treated surface at a speed in the range of 0.5 to 1 m / sec.
  • the micro surface roughness R a of the base body treated in this way is in the range from 6 to 10 ⁇ m, measured in accordance with DIN 4768.
  • the macrostructure remains unchanged, there are no fiber breakouts in the surface.
  • the roughening process is expediently followed by a cleaning process Compressed air or in an aqueous cleaning bath, if necessary Ultrasound support.
  • a cleaning process Compressed air or in an aqueous cleaning bath, if necessary Ultrasound support.
  • copper and copper alloys are applied by thermal spraying of powdery material with a particle diameter D 50 of 20 20 ⁇ m.
  • plasma spraying and high-speed flame spraying are preferably used.
  • the nature of the copper powder is matched to the different thermal spray processes.
  • the copper powder preferably has a grain size D 50 in the range from 8 to 12 ⁇ m, which is determined by the Cilas laser diffraction analysis method.
  • the phosphorus content of the copper or copper alloy is in the range from 0.08 to 0.15% and is determined photometrically, while the oxygen content is in the range from 0.2 to 0.3% and is determined by hot extraction in an inert gas stream.
  • a phosphorus content of preferably 0.10 to 0.12% as deoxidizing agent has positive effects on the oxidation behavior of the applied copper layer.
  • copper alloys can also be used, such as copper-zinc, copper-tin, copper-aluminum, copper-nickel or copper-nickel-zinc, which can additionally contain further alloy components such as iron, manganese, silicon or lead.
  • an inert gas or an is used as the plasma gas Inert gas mixture used, preferably in an amount of argon Range from 30 to 60 l / min.
  • the electrical power of the plasma torch is preferably 10 to 15 kW, particularly preferably 12 kW.
  • the burner is on the rotationally symmetrical body at a distance in Range from 40 to 100 mm, preferably from 40 to 70 mm, with a Speed passed from 10 to 100 mm / min. Among such Conditions an application rate in the range of 2 to 8 kg / h is achieved.
  • the base body is preferably cooled during the coating process in order to keep the oxide formation low and to prevent internal stresses both in the coating and in the base body.
  • CO 2 is preferably used in a finely crystalline form at a high pressure of approximately 40 to 60 bar.
  • the microgranule of the copper powder means that the plasma process can be operated at low energy.
  • a carrier made of highly heat-conducting metal, for example aluminum By pulling the base body onto a carrier made of highly heat-conducting metal, for example aluminum, good heat dissipation is achieved during the coating.
  • Copper layers which are applied as described above can have a layer thickness in the range from 50 to 500 ⁇ m, preferably from 100 to 300 ⁇ m, the thickness uniformity fluctuating only by 5 to 10%.
  • the application in one layer means that the layer has no oxidic intermediate layers.
  • the copper layer can be machined particularly well to a dimensionally accurate body by turning. Non-porous, uniform surfaces with roughnesses of R a ⁇ 0.1 ⁇ m are achieved.
  • the copper layer is still mechanically or structured with the help of laser technology.
  • the sleeve can be form-fitting on a pressure cylinder, e.g. made of metal.
  • the tape laying speed was 0.3 m / s, with a tape tension of 50 N / mm 2 .
  • the plastic matrix of the fiber composite tape was put into a molten state using a gas burner.
  • the matrix-rich surface was then roughened by sandblasting to apply the copper layer.
  • Electro-corundum an aluminum oxide powder with a proportion of 3% titanium dioxide and a grain size in the range from 63 to 149 ⁇ m, was used as the radiation medium.
  • the jet pressure was 2 bar with a jet spacing of 80 mm and with a jet nozzle diameter of 4 mm. After roughening, the surface was cleaned with cleaned compressed air.
  • the surface of the base body treated in this way was coated by plasma spraying with a copper powder with a grain size D 50 in the range from 8 to 10 ⁇ m. Argon was used as the plasma gas.
  • the burner output was 12 kW and the burner was moved at a distance of 60 mm at a speed of 100 mm / min over the base body rotating at a speed of 300 rpm.
  • the surface of the base body was cooled in the area of the plasma flame with CO 2 under a pressure of 60 bar and non-adherent material was removed by blasting with CO 2 snow.
  • the copper layer produced in this way had a layer thickness of 300 ⁇ m.
  • the copper surface could be machined very well with polycrystalline diamond. After a reduction in diameter of 0.15 mm, a pore-free surface with a roughness Ra of 0.1 microns was reached, measured according to DIN 4768. The mold was deviation of the finished sleeve 0.02 mm, while their positional deviation was 0.03 mm, respectively determined according to DIN ISO 1101.
  • the sleeve thus produced was pneumatically compressed with air from the Metal carrier removed and stored over a period of 4 weeks. Then the sleeve was pulled back onto the carrier and gave the same shape and position deviation as in the original production.
  • FIG. 1 shows a printing roller in an oblique view.
  • the reference numeral is the pressure roller 1 highlighted and in the Enlargement is the core cylinder 2 with a bore 3 for pneumatic Removal of the sleeve from fiber-reinforced thermoplastic base 4 with the copper layer 5.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Laminated Bodies (AREA)
EP19940105693 1993-04-19 1994-04-13 Druckwalze mit einer Hülse aus thermisch gewickelten faserverstärkten Thermoplasten und einer plasmagespritzten Kupfer- oder Kupferlegierungsbeschichtung Expired - Lifetime EP0623466B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9305806U DE9305806U1 (de) 1993-04-19 1993-04-19 Druckwalze mit einer Hülse aus thermisch gewickelten faserverstärkten Thermoplasten und einer plasmagespritzten Kupfer- oder Kupferlegierungsbeschichtung
DE9305806U 1993-04-19

Publications (3)

Publication Number Publication Date
EP0623466A2 EP0623466A2 (de) 1994-11-09
EP0623466A3 EP0623466A3 (de) 1994-11-17
EP0623466B1 true EP0623466B1 (de) 1998-01-28

Family

ID=6892147

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940105693 Expired - Lifetime EP0623466B1 (de) 1993-04-19 1994-04-13 Druckwalze mit einer Hülse aus thermisch gewickelten faserverstärkten Thermoplasten und einer plasmagespritzten Kupfer- oder Kupferlegierungsbeschichtung

Country Status (5)

Country Link
US (1) US5468568A (es)
EP (1) EP0623466B1 (es)
JP (1) JP3434567B2 (es)
AT (1) ATE162759T1 (es)
DE (2) DE9305806U1 (es)

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DE4432816A1 (de) * 1994-09-15 1996-03-21 Roland Man Druckmasch Druckwalze für den kanallosen Druck
US6779449B1 (en) * 1994-09-15 2004-08-24 Man Roland Druckmaschinen Ag Carrying sleeve for printing and transfer forms and a process for production of such a carrying sleeve
US6631676B2 (en) * 1995-02-07 2003-10-14 Man Roland Druckmaschinen Ag Process and apparatus for gravure
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DE19616756A1 (de) * 1995-06-05 1996-12-12 Heidelberger Druckmasch Ag Rotierender zylindrischer Körper mit geringer Massenträgheit
DE19546036C1 (de) * 1995-12-09 1997-03-20 Kampf Gmbh & Co Maschf Schneidwalze für Rollenschneidmaschinen und Verfahren zu ihrer Herstellung
US5819657A (en) * 1996-03-11 1998-10-13 Ermino Rossini, Spa Air carrier spacer sleeve for a printing cylinder
DE29609007U1 (de) * 1996-05-20 1996-07-04 MAN Roland Druckmaschinen AG, 63075 Offenbach Walze für eine Druckmaschine
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DE10214989A1 (de) * 2002-04-04 2003-10-30 Georg Frommeyer Druckzylinder zur Verwendung in einer Tiefdruckmaschine, sowie Verfahren zur Herstellung einer Oberflächenbeschichtung eines Druckzylinders
EP1543962B1 (de) * 2003-12-19 2006-11-29 Fischer & Krecke Gmbh & Co. Tiefdruckzylinder
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DE102004014308A1 (de) * 2004-03-24 2005-10-20 Roland Man Druckmasch Walzen und Zylinder mit einem Stahlkern für Offset-Druckmaschinen
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EP1985459A3 (de) * 2007-04-23 2009-07-29 Mdc Max Daetwyler AG Herstellung von Tiefdruckformen
DE102008012308A1 (de) * 2008-03-04 2009-09-24 Coatec Gesellschaft für Oberflächenveredelung mbH Beschichtung eines Körpers aus Stahl oder CFK-Material sowie Verfahren zum Herstellen einer solchen Beschichtung
US8739701B2 (en) * 2008-07-31 2014-06-03 Ryan Vest Method and apparatus for thermal processing of photosensitive printing elements
US20100055221A1 (en) * 2008-09-04 2010-03-04 Bunting Magnetics Co. Assembly and Method for Magnetic Embossing Roll Surfacing
JP5955539B2 (ja) 2010-12-03 2016-07-20 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーＥ．Ｉ．Ｄｕ Ｐｏｎｔ Ｄｅ Ｎｅｍｏｕｒｓ Ａｎｄ Ｃｏｍｐａｎｙ 印刷で使用するシリンダ形状要素を作製する方法
DE102013107400B4 (de) * 2013-07-12 2017-08-10 Ks Huayu Alutech Gmbh Verfahren zur Entfernung des Oversprays eines thermischen Spritzbrenners
DE102013109661A1 (de) 2013-09-04 2015-03-05 Inometa Gmbh & Co. Kg Verfahren zum Herstellen eines beschichteten Bauteils und beschichtetes Bauteil
ES2704258T3 (es) * 2014-04-25 2019-03-15 Paramount Int Services Ltd Sistema de impresión de huecograbado o rotograbado y preparación y uso del mismo
EP3006591B1 (de) 2014-10-10 2019-12-25 Inometa GmbH Verfahren zum Herstellen einer beschichteten Walze und beschichtete Walze
EP4206434A1 (en) * 2015-05-08 2023-07-05 Lutron Technology Company LLC Low-deflection roller shade tube for large openings
CN108754402A (zh) * 2018-09-07 2018-11-06 德清创智科技股份有限公司 碳纤维表面热喷涂合金涂层及其制备方法
KR102201357B1 (ko) * 2020-06-04 2021-01-11 문무열 카본 소재의 모재에 금속을 용사코팅하는 방법 및 그 방법을 이용하여 제조된 롤러
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Also Published As

Publication number Publication date
EP0623466A2 (de) 1994-11-09
JP3434567B2 (ja) 2003-08-11
US5468568A (en) 1995-11-21
ATE162759T1 (de) 1998-02-15
DE59405143D1 (de) 1998-03-05
EP0623466A3 (de) 1994-11-17
DE9305806U1 (de) 1993-06-09
JPH06320703A (ja) 1994-11-22

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