EP0640477A1 - Machine à imprimer rotative pour la réalisation de journaux - Google Patents

Machine à imprimer rotative pour la réalisation de journaux Download PDF

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Publication number
EP0640477A1
EP0640477A1 EP94112016A EP94112016A EP0640477A1 EP 0640477 A1 EP0640477 A1 EP 0640477A1 EP 94112016 A EP94112016 A EP 94112016A EP 94112016 A EP94112016 A EP 94112016A EP 0640477 A1 EP0640477 A1 EP 0640477A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
machine according
printing machine
printing
rotary 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.)
Withdrawn
Application number
EP94112016A
Other languages
German (de)
English (en)
Inventor
Ingo Köbler
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
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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0640477A1 publication Critical patent/EP0640477A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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 rotary printing press for producing newspapers and newspaper-like printed products from web-shaped printing materials with an intaglio printing cylinder which can be assigned a printing form and an impression cylinder.
  • the invention has for its object to provide a newspaper printing machine working according to the gravure printing process, which is inexpensive to operate and achieves a higher print quality comparable to today's newspapers on conventional newsprint.
  • the printing unit 1 shown in FIG. 1 of a rotary printing press for the production of newspapers contains an intaglio printing cylinder 2, a transfer cylinder 3 and an impression cylinder 4.
  • two printing forms 8 and 9, 10 and 11, 12 and 13 can be accommodated on the circumference of the intaglio printing cylinder 2.
  • the invention can also be used if the circumference of the gravure forme cylinder corresponds to the length of the printing form.
  • the printing formes 8 to 13 are held magnetically on the gravure form cylinder 2.
  • the printing formes can be designed as steel plates and embedded in the gravure form cylinder holding magnets.
  • the printing formes 8 to 13 are placed in the circumferential direction with an impact on the gravure form cylinder 2.
  • the joint 17, 18, 19 is advantageously carried out obliquely to the axis of the gravure cylinder 2.
  • the printing forms can, for example, also be double-sided.
  • the printing forms 8 to 13 are directly engraved in the exemplary embodiment. However, they could also be coated with a substrate such as epoxy resin or other thermosets then be engraved. For example, laser or electron beam engraving is used for engraving.
  • the surface carrying the printed image can also consist of regularly arranged identical cups, the volume of which is reduced by means of an introduced substance in accordance with the subject to be printed. This can be done by introducing the substance into the cell in the amount inversely proportional to the amount of color to be transferred. For example, a melt-injection process or registration is suitable for this using a thermal transfer film. The methods are described in patent DE 38 37 941 C2.
  • the cells can also first be filled with the substance, for example using an unimaged thermal transfer film or a melt inking unit with a doctor blade, and the printed image is then written in by removing substance in the amount of the amount of ink to be transferred.
  • the latter can be done, for example, using a laser.
  • the printing forms can be illustrated lying flat or mounted on a cylinder. In the latter case, this can also be done in the printing press.
  • the imaging is advantageously computer-controlled.
  • the function of the printing unit 1 is such that the chamber doctor blades 14 to 16 ink the printing plates 8 to 13.
  • the chambered doctor blades 14 to 16 are supplied with a water-soluble ink.
  • the sliding of the squeegees over the joints 17 to 19 is facilitated by their oblique design.
  • the helix angle is advantageously up to 5 °.
  • the effect mentioned can also be achieved by positioning the chamber doctor blades at an angle to the axis of the gravure cylinder. Sloping positions of up to 1 ° are practical here, in which case the plate joint can run parallel to the forme cylinder axis.
  • the intaglio printing form cylinder 2 transfers the printing ink to the transfer cylinder 3 placed on it in accordance with the engraved subject.
  • the latter has an elastic surface, in the form of a rubber blanket or a rubber blanket sleeve.
  • the transfer cylinder 3 transfers the print image to the web 20 passed between the two. Thanks to the elastic surface of the transfer cylinder 3, the printing unit 1 can also achieve good print quality on rough newsprint paper.
  • Fig. 3 shows the part of a printing unit 21, in which the gravure form is designed as a sleeve 22. For the purpose of changing, it can be pushed laterally from the gravure forme cylinder 23 through an opening 24 in a printing unit side wall 25.
  • the printing form can also be embodied by partial or double-sided wide sleeves.
  • the opening 24 is created by removing the wall piece 26.
  • a further opening can be created in the printing unit side wall, through which the rubber blanket sleeve of the transfer cylinder 3 can be changed if necessary.
  • Fig. 4 shows a part of a printing unit 27, in which the intaglio cylinder 28 carries a printing form 29 fixedly arranged thereon.
  • the gravure forme cylinder 28 can be removed transversely to its longitudinal axis through slots 30, 31 in the side walls 32, 33.
  • the slots 30, 31 are exposed by dismantling the filler pieces 34, 35.
  • the sleeve 22 '(FIG. 2) or the intaglio printing cylinder 28' with the printing form 29 ' are engraved outside the printing unit 21 or 27 according to one of the methods described above, which does not exclude that the engraving could also take place inside the printing unit.
  • the pressure force for the transfer of the print image to the web was generated by positioning the transfer cylinder on an impression cylinder.
  • the impression cylinder can also be replaced by the transfer cylinder of another printing unit.
  • Such a printing unit is shown in FIG. 5. It contains two printing units 36, 37, each of which includes a transfer cylinder 38, 39 and an intaglio printing cylinder 40, 41.
  • a chamber doctor blade 42, 43 is assigned to the latter.
  • An intaglio printing plate 44, 45 of one of the variants described above is attached to each intaglio printing cylinder.
  • the chambered doctor blades 42, 43 ink the gravure forms 44, 45.
  • the gravure cylinders 40, 41 deliver the printing ink to them in accordance with the engraved subject.
  • the color is transferred from the elastic rubber blanket or the rubber blanket sleeve of the transfer cylinders 38, 39, which are pressed against one another, to both sides of the web 46 passing between them.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printing Methods (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP94112016A 1993-08-20 1994-08-02 Machine à imprimer rotative pour la réalisation de journaux Withdrawn EP0640477A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934328027 DE4328027A1 (de) 1993-08-20 1993-08-20 Rotationsdruckmaschine zum Herstellen von Zeitungen
DE4328027 1993-08-20

Publications (1)

Publication Number Publication Date
EP0640477A1 true EP0640477A1 (fr) 1995-03-01

Family

ID=6495629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94112016A Withdrawn EP0640477A1 (fr) 1993-08-20 1994-08-02 Machine à imprimer rotative pour la réalisation de journaux

Country Status (3)

Country Link
EP (1) EP0640477A1 (fr)
JP (1) JP2578077B2 (fr)
DE (1) DE4328027A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0813957A2 (fr) * 1996-06-19 1997-12-29 MAN Roland Druckmaschinen AG Procédé et appareil pour l'impression en creux utilisant une forme effaçable
DE102012215796A1 (de) 2012-09-06 2014-03-06 Koenig & Bauer Aktiengesellschaft Druckeinheit einer Druckmaschine sowie ein Verfahren zur Beschichtung zumindest eines Bedruckstoffs

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401362C2 (de) * 1994-01-18 1997-12-11 Roland Man Druckmasch Verfahren und Rotationsdruckmaschine für indirekten Tiefdruck
DE19536765C2 (de) * 1995-10-02 2000-08-31 Tampoprint Gmbh Farbgebersystem für eine Druckmaschine
DE19810708C2 (de) * 1998-03-12 2002-06-27 Martin Dreher Einrichtung zum Drucken

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE1536430A1 (de) * 1966-03-29 1970-01-08 Carraro, Luigi; Carraro, Franco; Mailand (Italien) Rotationsdruckverfahren und Druckmaschine
EP0294022A1 (fr) * 1987-05-11 1988-12-07 Vickers Plc Imprimerie

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE674828A (fr) * 1965-01-08 1966-07-07
DE3821777A1 (de) * 1988-06-28 1990-01-04 Wifag Maschf Verfahren zum bedrucken eines drucktraegers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1536430A1 (de) * 1966-03-29 1970-01-08 Carraro, Luigi; Carraro, Franco; Mailand (Italien) Rotationsdruckverfahren und Druckmaschine
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
EP0294022A1 (fr) * 1987-05-11 1988-12-07 Vickers Plc Imprimerie

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0813957A2 (fr) * 1996-06-19 1997-12-29 MAN Roland Druckmaschinen AG Procédé et appareil pour l'impression en creux utilisant une forme effaçable
EP0813957A3 (fr) * 1996-06-19 1998-09-16 MAN Roland Druckmaschinen AG Procédé et appareil pour l'impression en creux utilisant une forme effaçable
US6070528A (en) * 1996-06-19 2000-06-06 Man Roland Druckmaschinen Ag Process and device for gravure printing with an erasable gravure form
DE102012215796A1 (de) 2012-09-06 2014-03-06 Koenig & Bauer Aktiengesellschaft Druckeinheit einer Druckmaschine sowie ein Verfahren zur Beschichtung zumindest eines Bedruckstoffs
DE102012215796B4 (de) * 2012-09-06 2016-12-01 Koenig & Bauer Ag Druckeinheit einer Druckmaschine

Also Published As

Publication number Publication date
DE4328027A1 (de) 1995-02-23
JP2578077B2 (ja) 1997-02-05
JPH07101045A (ja) 1995-04-18

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