EP0663288B1 - Verfahren und Rotationsdruckmaschine für indirekten Tiefdruck - Google Patents
Verfahren und Rotationsdruckmaschine für indirekten Tiefdruck Download PDFInfo
- Publication number
- EP0663288B1 EP0663288B1 EP95100175A EP95100175A EP0663288B1 EP 0663288 B1 EP0663288 B1 EP 0663288B1 EP 95100175 A EP95100175 A EP 95100175A EP 95100175 A EP95100175 A EP 95100175A EP 0663288 B1 EP0663288 B1 EP 0663288B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- printing
- gravure
- ink
- forme
- 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
- 238000007639 printing Methods 0.000 title claims description 62
- 238000000034 method Methods 0.000 title claims description 9
- 239000000976 ink Substances 0.000 claims description 31
- 238000007646 gravure printing Methods 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000003746 surface roughness Effects 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 2
- 238000001035 drying Methods 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/10—Intaglio printing ; Gravure printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/01—Rotary intaglio printing presses for indirect printing
Definitions
- the invention relates to a method and a rotary printing press for indirect gravure printing.
- the traditional rotogravure printing unit contains one Gravure form cylinder, an intermediate roller and an impression roller, as in Fig. 1 shown.
- the train will pass between Gravure cylinder and intermediate roller printed on one side.
- the web must have a good expression due to the contact with the hard printing form, have a high smoothness.
- the disadvantage is furthermore that thin, solvent-based printing inks for Application come so that the cells of the printing form are reliable can be filled and emptied during printing.
- the Solvent vapors pollute the environment.
- the thin Solvent ink continues to make a difference in multi-color printing Intermediate drying between the printing inks required because otherwise the color dots would run together on the substrate.
- the immersion coloring still has that Disadvantage that tubular printing forms are not used can, because with the backing of printing ink, the form sleeve on the would stick carrier cylinder.
- the change of printing form is complex because of this the ink pan must be lowered beforehand.
- US-A-2 988 989 shows printing units for printing on webs which work in indirect gravure printing.
- the printing units are on top of each other arranged and each contain the same size form and transfer cylinders. It works with a film-forming, heavy color, which is from a inking roller is brought to the forme cylinder, which is then doctored off with a squeegee becomes.
- a drying device is provided between the printing units.
- a rotary printing press is used to carry out the Procedure.
- the invention deals with the stated viscosity a stickiness, the so-called tak, which causes the cells of the Let gravure form fill reliably.
- tak causes the cells of the Let gravure form fill reliably.
- the purchase of Transfer cylinder with its smooth surface the color well from the wells Printing form too suck and empty them to a large extent.
- the closed one Surface of the cover continues to prevent penetration and thus a shearing off of thinners of the paint and thus the swelling of the Surface.
- the complete detention of the image on the transfer medium is a color film a function of wettability, surface roughness and Layer crosslinking of the outer cover in relation to the Surface tension of the printing ink.
- the cover of the Transfer cylinders also have significant mechanical requirements.
- the deepened pressure points (wells) of the rotogravure form form from the cover and claim an extremely high axial elasticity in the pressure line.
- the elastic, radially compressible cover has the Well no resistance, unlike the cylinder surface what leads to considerable transverse expansion in the pressure line.
- the 1: 1 development ratio means that the spring-loaded pressure line is permanently shifted in the rotation, without relaxation, in contrast to the Offset. This situation becomes the extremely radially compressible cover with very high restoring forces (rebound - elasticity). The slightest damping (displacement) would become too considerable Tangential forces result from the connection joint of the cover to the body of the transfer cylinder could not be included.
- the traditional gravure printing unit shown in Fig. 1 contains a gravure form cylinder 1, which in the printing ink of an ink pan 2 is immersed, as well as an intermediate roller 3 and an impression roller 4.
- the in Fig. 2 gravure unit shown two printing units 6, 7 each a gravure forme cylinder 8, 9 and a transfer cylinder 10, 11 on. All cylinders 8 to 11 are in the side walls 12, 13 of the Printing unit mounted, the transfer cylinders 10, 11 in Eccentric bushes 14 to 17 are included (Fig. 3).
- the transfer cylinders 10, 11 are both on the gravure forme cylinder 8, 9 of the respective printing unit 6, 7 as also adjustable against each other.
- a chambered doctor blade 26, 27 is located on each gravure forme cylinder 8, 9 employed by a pump 28, 29 via a feed line, 30, 31 is supplied with paint. Return lines 32, 33 lead from the Chamber doctor blades 26, 27 to ink containers.
- the gravure forms on the gravure form cylinders 8, 9 are inked by the chamber doctor blades 26, 27.
- a water color with a viscosity of approx. 80 to 120 mPa s to use.
- other colors for example radiation curable or offset inks with a viscosity of at least 80 to a maximum of 1000 mPa s can be printed.
- the Chamber doctor blades are advantageously operated with ink circulation, i. H. the Pumps 28, 29 deliver more ink than is needed for printing. The color excess is on the return lines 32, 33 Paint containers 34, 35 fed again.
- the Gravure cylinders 8, 9 with the respective transfer cylinder 10, 11 the colored cups give off the printing ink on them. These in turn transmit that in mutual rolling contact Print image on the web 36 passed between them.
- the transfer cylinders 10, 11 each have a cover made of a fully crosslinked aliphatic polyurethane. Silicone could also be used.
- the cover 37 is advantageously applied to a metallic carrier sleeve 38.
- This reference sleeve 39 is shown in FIG. 4.
- the reference 37 has a roughness depth R z ⁇ 6 ⁇ m.
- the radial rebound elasticity of the cover is greater than 95%, its compression set less than 5%, preferably less than 2%, its hardness 70 to 80 Shore A. Its density is 0.30 to 0.65 g / cm 3 .
- Such transfer cylinder sleeves are described in DE 39 08 999 C2.
- the change of the reference sleeve 39 is for the transfer cylinder 10 in Fig. 5 shown.
- the Diameter is larger than the outer diameter of the reference sleeve 39, is now the latter axially from the cylindrical body 42 of the Transfer cylinder pushed out of the printing unit.
- the gravure forms of the gravure cylinders 8, 9 sleeve-shaped designed, also by the principle shown in Fig. 5 can be changed.
- the cover sleeves or molded sleeves are changed after the appropriate cylinders were taken from the printing unit, for what for this, slots in the side walls by removing filler pieces be created.
- the gravure cylinder can for example also with individual printing forms placed with a butt joint, e.g. B. magnetically adhesive.
- the gravure form can also firmly on the cylindrical body of the gravure cylinder be upset. The cylinder can do this in the printing press illustrated and deleted.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Methods (AREA)
- Rotary Presses (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Printing Plates And Materials Therefor (AREA)
- Screen Printers (AREA)
- Ink Jet (AREA)
Description
- Fig. 1
- ein Tiefdruckwerk nach dem Stand der Technik
- Fig. 2
- eine Tiefdruckeinheit mit zwei im Gummi - Gummi - Prinzip arbeitenden Druckwerken
- Fig. 3
- die Druckeinheit nach Fig. 2 im Schnitt
- Fig. 4
- die Bezugshülse des Transferzylinders in der Seitenansicht
- Fig. 5
- den Wechsel der Bezugshülse des Transferzylinders.
Claims (10)
- Verfahren für indirekten Tiefdruck mittels eines Tiefdruckformzylinders (8, 9), eines Transferzylinders (10, 11) und eines Gegendruckzylinders mit einer an den Tiefdruckformzylinder (8, 9) angestellten Kammerrakel (26, 27), die die Druckform mit einer Farbe mit einer Viskosität im Bereich von 80 bis 1000 mPa s einfärbt, anschließend Farbe mittels des Bezuges (37) des Transferzylinders (10, 11) bei dessen Abrollkontakt mit dem Tiefdruckformzylinder (8, 9) aus den Näpfchen der Druckform entnommen und auf den Bedruckstoff bei dessen Durchgang zwischen dem Transferzylinder (10, 11) und dem an diesen angestellten Gegendruckzylinder übertragen wird, wobei aufgrund geringer Benetzbarkeit, niedriger Oberflächenrauheit und geschlossener Oberfläche des Bezuges (37) eine weitgehende Entnahme der Druckfarbe aus den Näpfchen und deren weitgehende Übergabe auf den Bedruckstoff erfolgt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Kammerrakel (26, 27) dem Tiefdruckformzylinder (8, 9) eine Wasser als Lösungsmittel enthaltende Farbe zuführt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Kammerrakel (26, 27) dem Tiefdruckformzylinder (8, 9) eine strahlungshärtbare Farbe zuführt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Kammerrakel (26, 27) dem Tiefdruckformzylinder (8, 9) eine Offsetfarbe zuführt.
- Rotationsdruckmaschine für indirekten Tiefdruck, wobei das Druckwerk (6, 7) folgende Merkmale umfaßteinen mit einer Druckform belegbaren Tiefdruckformzylinder (8, 9)einen das Druckbild von dem Tiefdruckformzylinder (8, 9) übernehmenden Transferzylinder (10, 11) mit elastischer Oberflächeeinen Gegendruckzylinderdie genannten Zylinder (8, 9, 10, 11) sind in Seitenwänden (12, 13) gelagertdie genannten Zylinder (8, 9, 10, 11) haben gleiche Umfänge und stehen mit auf ihren Zapfen (18 bis 21) befestigten Stirnrädern (22 bis 25) in Antriebsverbindung,
dadurch gekennzeichnet, daßder Transferzylinder (10, 11) mittels Exzenterbuchsen (14 bis 17) hinsichtlich der benachbarten Zylinder an- und abstellbar istan den das Druckbild tragenden Tiefdruckformzylinder (8, 9) eine Kammerrakel (26, 27) angestellt ist, die mit einer Farbe mit einer Viskosität im Bereich von 80 bis 1000 mPa s gespeist wirdder Transfersylinder (10, 11) einen Bezug mit geschlossener Oberfläche, einer Oberflächenrauheit mit einer Rauhtiefe Rz < 6 µm, einer geringen Benetzbarkeit und hoher Kompressibilität mit einer radialen Rückprallelastizität größer 95 % trägt. - Rotationsdruckmaschine nach Anspruch 5, dadurch gekennzeichnet, daß der Bezug (37) des Transferzylinder (10, 11) aus einem vollvernetzten aliphatischen Polyurethan oder Silikon besteht.
- Rotationsdruckmaschine nach einem der Anspüche 5 bis 6, dadurch gekennzeichnet, daß der Bezug (37) des Transferzylinders (10, 11) auf einer Trägerhülse (38) befestigt ist, die auf dem zylindrischen Körper (42) des Transferzylinders (10, 11) lagert und durch eine freilegbare Öffnung (41) in der Seitenwand (13) des Druckwerkes axial vom Körper (42) aus dem Druckwerk schiebbar ist.
- Rotationsdruckmaschine nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, daß die Druckform als Hülse ausgebildet ist, die auf dem zylindrischen Körper des Tiefdruckformzylinders (8, 9) lagert und durch eine freilegbare Öffnung in der Seitenwand (13) des Druckwerkes axial vom Körper aus dem Druckwerk schiebbar ist.
- Rotationsdruckmaschine nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, daß die Kammerrakel (26, 27) einen mit einer Farbpumpe (28, 29) verbundenen Farbzulauf und einen mit einem Farbbehälter (34, 35) verbundenen Farbablauf aufweist.
- Rotationsdruckmaschine nach einem der Ansprüche 5 bis 9, dadurch gekennzeichnet, daß als Gegendruckzylinder der Transferzylinder (10, 11) eines weiteren Druckwerkes (6, 7) fungiert, an dem ebenfalls ein Tiefdruckformzylinder (8, 9) mit Kammerrakel (26, 27) angeordnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4401362A DE4401362C2 (de) | 1994-01-18 | 1994-01-18 | Verfahren und Rotationsdruckmaschine für indirekten Tiefdruck |
DE4401362 | 1994-01-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0663288A1 EP0663288A1 (de) | 1995-07-19 |
EP0663288B1 true EP0663288B1 (de) | 1998-08-05 |
Family
ID=6508186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95100175A Expired - Lifetime EP0663288B1 (de) | 1994-01-18 | 1995-01-09 | Verfahren und Rotationsdruckmaschine für indirekten Tiefdruck |
Country Status (5)
Country | Link |
---|---|
US (1) | US5718171A (de) |
EP (1) | EP0663288B1 (de) |
JP (1) | JP2888772B2 (de) |
CA (1) | CA2140496C (de) |
DE (2) | DE4401362C2 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19536764C2 (de) * | 1995-10-02 | 1998-12-03 | Tampoprint Gmbh | Tamponwalze |
DE19624441C1 (de) * | 1996-06-19 | 1997-12-04 | Roland Man Druckmasch | Verfahren und Vorrichtung für den Tiefdruck mittels einer löschbaren Tiefdruckform |
DE29616686U1 (de) * | 1996-09-25 | 1996-11-14 | MAN Roland Druckmaschinen AG, 63075 Offenbach | Einrichtung zum Beschichten von Bedruckstoffen mit einer Flüssigkeit |
DE19955214B4 (de) * | 1999-11-17 | 2006-05-11 | Stork Gmbh | Verfahren zum Herstellen von Leiterstrukturen |
DE10208270A1 (de) * | 2002-02-26 | 2003-09-04 | Roland Man Druckmasch | Lackiereinrichtung |
DE10210934B4 (de) * | 2002-03-13 | 2005-06-02 | Nexpress Solutions Llc | Verfahren zum Bedrucken eines Bedruckstoffes |
DE10249947A1 (de) * | 2002-10-26 | 2004-05-13 | Man Roland Druckmaschinen Ag | Druckwerk einer Rollenrotationsdruckmaschine für Zeitungsdruck |
EP1598185A1 (de) * | 2004-05-21 | 2005-11-23 | DeMaxz Deutschland GmbH | Vorrichtung und Verfahren zum Bedrucken von Substraten aus Holzwerkstoff oder Kunststoff |
EP1707354A1 (de) * | 2005-03-30 | 2006-10-04 | Top Digital Co., Ltd. | Druckmaschine für indirekten Tiefdruck |
CN100339215C (zh) * | 2005-09-20 | 2007-09-26 | 史智勇 | 金属卷材印刷设备及其印刷工艺 |
DE202010018196U1 (de) * | 2010-03-03 | 2014-09-09 | manroland sheetfed GmbH | Bogenführungseinrichtung |
ES2431894B1 (es) | 2012-04-26 | 2014-09-03 | Comexi Group Industries, Sau | Sistema de aplicación de líquido de impresión o auxiliar de impresión a un rodillo de huecograbado |
EP2722179A1 (de) * | 2012-10-18 | 2014-04-23 | KBA-NotaSys SA | Intaglio-Druckpresse und Verfahren zur Überwachung des Betriebs davon |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE296512C (de) * | ||||
US1428080A (en) * | 1919-12-20 | 1922-09-05 | Ellis W Cooper | Printing press |
US1702769A (en) * | 1926-07-06 | 1929-02-19 | Simmons Co | Metal-printing machine |
US2177656A (en) * | 1933-06-30 | 1939-10-31 | Harris Seybold Potter Co | Gravure printing press |
US2988989A (en) * | 1958-08-04 | 1961-06-20 | Earl A Crawford | Intaglio dry offset printing press |
FR1410832A (fr) * | 1964-10-08 | 1965-09-10 | Procédé d'impression, notamment sur papier, installation pour la mise en oeuvre du présent procédé ou procédé similaire, ainsi que les supports imprimés conformesà ceux obtenus par le présent procédé ou procédé similaire | |
FR1531614A (fr) * | 1967-05-24 | 1968-07-05 | Holweg Const Mec | Procédé d'encrage et encrage pour machines à imprimer en héliogravure et en héliogravure-report |
DE2221188B1 (de) * | 1972-04-29 | 1973-09-20 | Hueck & Co | Druckwerk |
DE2264284C2 (de) * | 1972-12-30 | 1982-05-27 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Bindemitteln für Druckfarben |
US4004939A (en) * | 1974-03-29 | 1977-01-25 | Uniroyal Inc. | Bisulfite terminated oligomers as dispersing agents |
US4474110A (en) * | 1980-03-22 | 1984-10-02 | Foamink Company | Process employing pigmented water based foamed compositions |
DE3276471D1 (en) * | 1981-10-10 | 1987-07-09 | Basf Lacke & Farben | Flat-bed printing method |
DE3702889A1 (de) * | 1987-01-31 | 1988-08-11 | Roland Man Druckmasch | Vorrichtung zum aufbringen einer huelse auf einen druckwerkzylinder |
GB8711096D0 (en) * | 1987-05-11 | 1987-06-17 | Vickers Plc | Printing |
US4958563A (en) * | 1988-08-19 | 1990-09-25 | Presstek, Inc. | Lithography plate with a chromium surface and method for imaging |
DE3843017C1 (de) * | 1988-12-21 | 1990-05-23 | Man Roland Druckmaschinen Ag, 6050 Offenbach, De | |
DE3908999A1 (de) * | 1989-03-18 | 1990-09-20 | Roland Man Druckmasch | Traegerhuelse, insbesondere fuer den offsetzylinder einer rotationsdruckmaschine |
US5316798A (en) * | 1989-03-18 | 1994-05-31 | Man Roland Druckmaschinen Ag | Method of making a cylindrical sleeve structure, particularly cover for an offset cylinder in a rotary printing machine |
JPH02278764A (ja) * | 1989-04-20 | 1990-11-15 | Matsushita Electron Corp | 半導体記憶装置 |
SE468467B (sv) * | 1991-05-17 | 1993-01-25 | Tetra Alfa Holdings | Anordning foer faergmatning |
FR2689451B1 (fr) * | 1992-04-03 | 1997-01-17 | Komori Chambon | Dispositif d'encrage pour un appareil d'impression heliographique. |
DE4328027A1 (de) * | 1993-08-20 | 1995-02-23 | Roland Man Druckmasch | Rotationsdruckmaschine zum Herstellen von Zeitungen |
-
1994
- 1994-01-18 DE DE4401362A patent/DE4401362C2/de not_active Expired - Lifetime
-
1995
- 1995-01-09 EP EP95100175A patent/EP0663288B1/de not_active Expired - Lifetime
- 1995-01-09 DE DE59503028T patent/DE59503028D1/de not_active Expired - Fee Related
- 1995-01-17 JP JP7005294A patent/JP2888772B2/ja not_active Expired - Lifetime
- 1995-01-18 CA CA002140496A patent/CA2140496C/en not_active Expired - Fee Related
-
1996
- 1996-02-13 US US08/599,855 patent/US5718171A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
INK-REPORT, Zusammensetzung, Herstellung und Anwendung von Druckfarben; Druckfarbenfabrik Gebr. Schmidt GmbH (1993), Seite 39. * |
Also Published As
Publication number | Publication date |
---|---|
CA2140496A1 (en) | 1995-07-19 |
DE4401362A1 (de) | 1995-07-20 |
CA2140496C (en) | 1999-09-28 |
US5718171A (en) | 1998-02-17 |
DE4401362C2 (de) | 1997-12-11 |
JPH07205535A (ja) | 1995-08-08 |
JP2888772B2 (ja) | 1999-05-10 |
DE59503028D1 (de) | 1998-09-10 |
EP0663288A1 (de) | 1995-07-19 |
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