EP1361051B1 - Printing group of a printing machine - Google Patents

Printing group of a printing machine Download PDF

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Publication number
EP1361051B1
EP1361051B1 EP03017242A EP03017242A EP1361051B1 EP 1361051 B1 EP1361051 B1 EP 1361051B1 EP 03017242 A EP03017242 A EP 03017242A EP 03017242 A EP03017242 A EP 03017242A EP 1361051 B1 EP1361051 B1 EP 1361051B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
printing unit
unit according
printing
transfer cylinder
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
EP03017242A
Other languages
German (de)
French (fr)
Other versions
EP1361051A3 (en
EP1361051A2 (en
EP1361051B9 (en
Inventor
Helmut Holm
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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
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Priority claimed from DE1999158133 external-priority patent/DE19958133C2/en
Priority claimed from DE10016409A external-priority patent/DE10016409B4/en
Priority to DE20023995U priority Critical patent/DE20023995U1/en
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Priority to DE20023363U priority patent/DE20023363U1/en
Publication of EP1361051A2 publication Critical patent/EP1361051A2/en
Publication of EP1361051A3 publication Critical patent/EP1361051A3/en
Publication of EP1361051B1 publication Critical patent/EP1361051B1/en
Publication of EP1361051B9 publication Critical patent/EP1361051B9/en
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F30/00—Devices for attaching coverings or make-ready devices; Guiding devices for coverings
    • B41F30/04—Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching to transfer cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/193—Transfer cylinders; Offset cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B41F7/04—Rotary lithographic machines for offset printing using printing units incorporating one forme cylinder, one transfer cylinder, and one impression cylinder, e.g. for printing on webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B41F7/10—Rotary lithographic machines for offset printing using one impression cylinder co-operating with several transfer cylinders for printing on sheets or webs, e.g. satellite-printing units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B41F7/12—Rotary lithographic machines for offset printing using two cylinders one of which serves two functions, e.g. as a transfer and impression cylinder in perfecting 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
    • B41N10/02—Blanket structure
    • B41N10/04—Blanket structure multi-layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2200/00—Printing processes
    • B41P2200/20—Lithography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/10—Attaching several printing plates on one cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/10—Attaching several printing plates on one cylinder
    • B41P2227/12—Attaching several printing plates on one cylinder in circumferential direction

Definitions

  • the invention relates to a printing unit of a rotary printing press according to the preamble of claim 1.
  • the DE 44 29 891 A1 shows a printing unit of a rotary printing machine with double-sized transfer cylinder (ie, two section lengths around the circumference), which cooperates with a simple large form cylinder.
  • an arrangement of cylinders of an offset printing unit in which the circumference of the transfer cylinder to that of the forme cylinder is in a double ratio.
  • the forme cylinder is in the circumferential direction with a printing form and in its longitudinal direction with at least four standing printed pages in the broadsheet format, or equivalent number of standing or lying tabloid or book formats, assignable.
  • the blanket is, for example, two-ply designed as a fixed to a support plate rubber blanket.
  • the DE 197 40 575 A1 shows cooperating forming and transfer cylinder, wherein in one embodiment, the transfer cylinder in the circumferential direction one behind the other two clamping channels and two held in the clamping channels rubber blankets.
  • a double-sized transfer cylinder interacts with a double-sized forme cylinder, but both cylinders have only one chucking channel in the circumferential direction. In all examples, the channels do not roll off each other.
  • a single form cylinder which has on its circumference in the circumferential direction a plurality of channels for the attachment of printing plates.
  • at least one of the channels can be covered.
  • the GB 1 476 707 A discloses primarily a printing unit for direct printing, whose form and impression cylinders are designed with a width for printing six juxtaposed newspaper pages.
  • the forming and impression cylinders forming the printing nip here have sections of channels for receiving elevators, which reduce the formation of vibrations in the circumferential direction relative to each other are offset. Reference is made to the corresponding problem in the case of an offset printing unit in the gap between the forming and transfer cylinders.
  • GB 2 092 069 A is a printing unit with a form and a transfer cylinder disclosed, wherein the form cylinder side by side carries a plurality of pairs of printing plates, each covering 180 ° of the circumference. Their ends are held in two diametrically opposed channels.
  • the transfer cylinder carries on its periphery several layers of padding and ink-bearing material, the layers extend around the entire circumference and are held with the ends in a single channel.
  • the transfer cylinder has two full-circumference blankets in two 180 ° offset channels and 18 mm wide channels, and the transfer cylinder comprises two full-length receiving slots and eight printing formers or four panoramic printing plates and lighter-built machine designed for small and medium runs and is intended to expand the newspaper's rotation program downwards.
  • the GB 2 092 069 A discloses a pair of cylinders with a form cylinder and a transfer cylinder, wherein viewed in a cross section of the forme cylinder in series two channels for receiving printing plates, and the transfer cylinder has a channel for receiving blanket ends.
  • the EP 0 849 080 A1 discloses a channel cover which can be used in both forming and transfer cylinders.
  • the latter has two channel sections which are offset by 180 ° in the circumferential direction and in which, in the axial direction, a front and a rear rubber blanket are arranged offset from one another in the circumferential direction.
  • the invention has for its object to provide a printing unit of a rotary printing press.
  • the arrangement of a plurality of extending in the longitudinal direction of the forming and / or transfer cylinder channels will meet a variety of requirements as needed, without having to replace the cylinder with changing requirements of existing printing presses or to consider each production profile individually in the production.
  • two newspaper pages in the circumferential direction allows either the assignment with circumferentially successively arranged printing forms or with reaching to the full extent printing forms, wherein a channel is covered.
  • the arrangement of over the full extent reaching printing forms reduced z. B. significantly the changeover time.
  • an array of blanket-length blankets significantly reduces the changeover time.
  • the embodiment of the elevators for the transfer cylinder as a multi-layer or multi-layer printing blanket, which has a carrier plate and a support or layer connected thereto, is advantageous with regard to the quality of the development of the printed image. Especially with large dimensions, a dimensionally stable design is essential for a print quality that is consistently good and register-accurate over the circumference of the cylinder.
  • channels with a narrow opening to the outer surface of the cylinder, z. B. to reduce paper consumption.
  • a narrow opening is particularly advantageous, in particular for channels which are covered at least in part. For example, this can further reduce the risk of breakage.
  • a printing unit of a rotary printing machine has at least one pair of cylinders 01 consisting of two cylinders 02; 03, for example, a transfer cylinder 02 and cooperating with this form cylinder 03.
  • the transfer cylinder 02 can act on the printing substrate 04 to be printed with a counter-pressure cylinder, not shown, or with a transfer cylinder 07 of a second cylinder pair 06, which in turn is associated with a forme cylinder 08.
  • the transfer cylinder 02; 07 are each with at least one elevator 09, for example a blanket 09, and the forme cylinder 03; 08 each with at least one elevator 11, for example, a printing plate 11, assignable.
  • the cylinder pairs 01; 06 different widths executed.
  • the cylinder pairs 01; 06 for newspaper printing three times wide, just wide the width of the bale, such as the forme cylinder 03, for two standing or lying newspaper pages.
  • double-width refers to the required width for four horizontal or six vertical A4 pages.
  • the sizes of transmission 02; 07 and the forme cylinder 03; 08 are each made simple or double, based on a variety of standing or lying formats, such as a standing or lying newspaper format.
  • Advantageous constellations in newspaper printing for example, a double-sized, ie two sides in the circumferential direction, the transfer cylinder 02; 07 acting together with a double or simple circumference of the forme cylinder 03; 08, each double width.
  • Fig. 1 shows an unclaimed double-wide pair of cylinders 01, wherein transfer cylinder 02 and forme cylinder 03 each have a double circumference.
  • the forme cylinder 03 has two longitudinally extending and circumferentially spaced channels 12; 13 for receiving the ends of at least one printing plate 11, the transfer cylinder 02 a channel 14 for receiving the ends of at least one blanket 09 on.
  • the channels 12; 13 of the forme cylinder 03, 08 are at least on a partial section in the longitudinal direction of the forme cylinder 03; 08, viewed in a direction perpendicular to the axis of rotation cross section, arranged in the circumferential direction one behind the other.
  • the forme cylinder 03 is occupied in the example with four in the longitudinal direction of the cylinder juxtaposed printing plates 11, for example, pressure plates 11, which are each held with its two ends in the channel 12, extend to the region of the channel 12 in each case around the entire circumference and respectively cover the channel 13.
  • forme cylinder 03 and transfer cylinder 02 are advantageously arranged relative to one another in such a way that the covered channel 13 cooperates with the channel 14 of the transfer cylinder 02 during the rolling of the cylinder. The latter is not required if z. B. the channel 13 is closed by means of a releasable lid or the channel width is so small that a break is avoided.
  • the claimed form cylinder 03 is made three times wide.
  • He can be flexible in many ways, eg. B. with a continuous, or two or more longitudinally juxtaposed printing plates 11 of various formats (eg, simple, panoramic) be occupied.
  • the forme cylinder 03 may also have more than two longitudinally extending and circumferentially spaced channels 12; 13 have.
  • the transfer cylinder 02 in Fig. 1 may have a continuous channel 14, in which two blankets 09 are held in the axial direction next to each other.
  • the transfer cylinder 02 can, as exemplified in Fig. 2 shown a second, z. B. diametrically opposite and extending in the longitudinal direction of the transfer cylinder 02 channel 16.
  • the channels 14; 16 of the transfer cylinder 02, 07 are at least on a partial section in the longitudinal direction of the transfer cylinder 03; 08, viewed in a direction perpendicular to the axis of rotation cross section, arranged in the circumferential direction one behind the other.
  • the unclaimed example covers a single, extending to the region of the channel 14 over the entire length of the bale and almost over the entire circumference blanket 09 the transfer cylinder 02.
  • the forme cylinder is here by way of example with two in the longitudinal direction of the cylinder adjacent, and each occupied by almost the full circumference extending pressure plates 11.
  • the covered channel 13 acts in the example when unrolling the cylinder pair 01 with the also covered channel 16 of the transfer cylinder 02 together. However, it can, as in the first example, roll on the uncovered channel 14.
  • FIG. 3 and related description is a further advantageous embodiments of the arrangement of Drucktüchem 09 on a transfer cylinder 02; 07 set forth, wherein the transfer cylinder 02; 07 a plurality of longitudinally extending channels 14; 16 has.
  • the example shows two compression unit forming, unclaimed double-wide cylinder pairs 01; 06, wherein the two transfer cylinders 02; 07 on the substrate 04 together.
  • the claimed cylinder pairs 01; 06 are, however, three times wide.
  • the teaching from the examples should then be applied accordingly.
  • the forme cylinder 03; 08 but also with two juxtaposed panoramic printing plates, or a panorama printing form and two simple printing forms be occupied.
  • the co-operating form cylinder 03; 08 but also be made double in size he can with one or, as claimed, with two channels 12; 13, with two in the axial direction next to each other or in the circumferential direction successively arranged printing plates 11, or with a plurality of longitudinally adjacent to each other and at the same time with a plurality of circumferentially successively arranged printing forms be occupied.
  • the Figures 1 and 2 illustrated embodiments for the with the transfer cylinders 02; 07 of the FIGS. 3 to 7 co-operating form cylinder 03; 08 are to be applied.
  • Fig. 3 shows the arrangement of two blankets 09 on a transfer cylinder 02; 07, which are arranged side by side in the longitudinal direction and each extending approximately over the full circumference.
  • Two channels 14; 16 extend in the longitudinal direction of the transfer cylinder 02; 07 and are arranged offset in the circumferential direction almost 180 °.
  • the channel 16 is covered and can counteract the walking and relax as a relief unit the elevator.
  • the channel 14 or the covered channel 16 acts upon settlement of the cylinder against each other with the channel 12 of the forme cylinder 03; 08 together.
  • the claimed arrangement of three juxtaposed blankets 09, especially for very long cylinders, is done in an analogous manner in alignment.
  • Both for the transfer cylinder 02; 07 as well as for the forme cylinder 03; 08 is in each case the circumferentially symmetrical arrangement of the channels 12; 13 and 14, respectively; 16 with almost identical intermediate angles advantageous, z. B. at two channels 12; 13 and 14, respectively; 16 offset by 180 °, with three by 120 ° or alternately by 180 °. With more than two channels 12 each; 13 and 14, respectively; 16, a plurality of longitudinally juxtaposed pressure plates 11 may be offset from each other in the circumferential direction.
  • the ratio of the circumference of the transfer cylinder 02; 07 to the forme cylinder 03; 08 is advantageous integer, in particular for the case of a forme cylinder 03; 08 with circumferentially arranged in succession channels 12; 13 at twice the size equals 1.
  • two cylinder pairs 01 and 06 need not be equipped in the same way with the same channel number and geometry, or with the same pattern for the elevators 09; 11 be occupied.
  • FIGS. 1 to 3 are the channels 12; 13, 14, 16; 17; 18 respectively to the front side of the cylinder 02; 04, 07; 08 shown running.
  • an edge without a channel 12 can be provided on the front side; 13; 14; 16; 17; 18 present.
  • the channels 12; 13; 14; 16; 17; 18 extend in this case almost over the entire length of the cylinder 02; 03, 07; 08 or its bale.
  • the elevator 09 for the transfer cylinder 02; 07 represents a one-piece blanket 09.
  • This one-piece blanket 09 may be single-layered or multi-layered, wherein for the latter on a support plate 21, for example, at least one layer 22 is applied and firmly connected thereto.
  • the ends 23; 24 of the single or multi-layer blanket 09 act with a channel 14; 16; 17; 18 arranged holding device 26 together.
  • the blanket unit 09 as in Fig. 4 shown, the almost dimensionally stable support plate 21, for example of metal or plastic, on which the elastic or soft layer 22 is applied (indicated in FIG Fig. 1 and 2 ).
  • the ends 23 and 24 of the blanket 09 are identical to the ends of the support plate 21, since the support plate 21 in with the channel 14; 16; 17; 18 cooperating area is bent and uncoated.
  • the support plate 21 of the multi-layer printing blanket 09 may be coated in another embodiment also up to the ends of the support plate 21, in which case the ends 23 and 24 of the multilayer blanket 09 next to the support plate 21 and the layer 21 have. If the blanket is designed as a simple rubber blanket 09, the ends 23 act; 24 of the blanket 09 with the channels 14; 16; 17; 18 together.
  • channels 12; 13 may have holding devices 33 for the printing plates 11 in an advantageous embodiment.
  • the holding device 26; 33 may be a known device for non-positive or positive holding and / or clamping a lift 09; Be 11, such.
  • FIG. 4 An advantageous embodiment of a holding device 26; 33 for a lift 09; 11, in particular for a multi-layer printing blanket 09 or a printing plate 11, is the example of a multi-layer printing blanket 09 in Fig. 4 shown representative of the channel 14 in the transfer cylinder 02.
  • the arrangement of such or similar holding means 33 for the printing plates 11 in the channels 12; 13 is an example in Fig. 2 indicated.
  • the holding device 26 is arranged in the axially extending channel 14 of the transfer cylinder 02 for holding the blanket 09.
  • the parallel to the axis of the transfer cylinder 02 extending to the tangent of the lateral surface by 30 to 60 °, in particular by about 45 °, inclined channel 14 has a gap 29 on the lateral surface of the transfer cylinder 02 and a lying inside the transfer cylinder 02, with the Gap 29 connected, bore 31.
  • the width b29 of the gap 29 in the region of the lateral surface in the circumferential direction of the transfer cylinder 02; 03; 07; 08 is greater than twice the thickness of one of the ends 23; 24 of the blanket 09, which in the present example is equivalent to twice the thickness of the support plate 21.
  • For the width b29 of the gap 29 is advantageously 1 mm ⁇ b29 ⁇ 5 mm, in particular b29 ⁇ 3 mm.
  • the width b29 is insubstantially greater than twice the thickness of the blanket 09, in the case of the multi-layer blanket 09 coated to the ends of the carrier plate 21, the width b29 is insignificantly greater than twice the thickness of the coated end 23; 24 of the multi-layer blanket 09 to choose.
  • the shaft 27 in the example, a pivotable spindle 27, arranged in which the pressure pieces 28, z. B. stamp, balls or similar, are arranged directed resiliently and radially outward.
  • the holding device 26 may additionally comprise a slide, not shown, which in addition to the ends 23 and 24 in the gap 29 can be inserted and the gap 29 terminates to the outside.
  • this slide is connected to the spindle 27, so that it is moved in pivoting of the spindle 27 in or out of the gap 29.
  • the width b29 of the gap 29 is formed correspondingly larger when using such a slider.
  • the channels 12; 13 of the forme cylinder 03; 08 are in a preferred embodiment as for the channel 14; 16; 17; 18 also as to the tangent of the lateral surface by 30 to 60 °, in particular by approximately 45 °, inclined narrow slots 12; 13, which has a width b12 (FIG. Fig. 1, 2 ) in the region of the lateral surface in the circumferential direction, which is greater than twice the thickness of the printing plate 11.
  • width b12 of the slot 12 advantageously 1 mm ⁇ b12 ⁇ 5 mm, in particular b12 ⁇ 3 mm.
  • the reference number for the width b29 would correspond to the width b12 and the reference numeral for the transfer cylinder 02 of the forme cylinder, z. B. 03.
  • the ends 23; 24 correspond to the bent ends of the printing forme 11.
  • a holding device 33 in the channels 12; 13 of the forme cylinder 03; 08 can be omitted if by means of shaping the ends of the printing plate 11 and / or the channels 12; 13 a secure holding is guaranteed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Coating Apparatus (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Control Of Electric Motors In General (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Printing Methods (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)

Abstract

The cylinder (2,3) has at least two ducts (12,13,14) one behind each other in a peripheral direction and taking second casings (9,11) on the cylinder. At least one of the ducts is at least partly covered by a second casing. The cylinder is a form or transfer cylinder with the second casing in the form of a printing plate,.

Description

Die Erfindung betrifft ein Druckwerk einer Rotationsdruckmaschine gemäß dem Oberbegriff des Anspruches 1.The invention relates to a printing unit of a rotary printing press according to the preamble of claim 1.

Aus der DE 44 29 210 A1 ist die Anordnung von vier in Drehrichtung eines Formzylinders hintereinander angeordneten Druckfolien bekannt, die in vier Gruben gehalten werden. Die Druckfolien überspannen jeweils einen zwischen zwei Gruben liegenden Kreisbogenabschnitt.From the DE 44 29 210 A1 the arrangement of four in the direction of rotation of a forme cylinder successively arranged printing foils is known, which are held in four pits. The printing foils each span a circular arc section lying between two pits.

Die DE 44 29 891 A1 zeigt eine Druckeinheit einer Rotationsdruckmaschine mit doppelt großem Übertragungszylinder (d. h. zwei Abschnittslängen um den Umfang), der mit einem einfach großen Formzylinder zusammen wirkt.The DE 44 29 891 A1 shows a printing unit of a rotary printing machine with double-sized transfer cylinder (ie, two section lengths around the circumference), which cooperates with a simple large form cylinder.

Ebenfalls ist durch die DE 198 03 809 A1 eine Anordnung von Zylindern eines Offsetdruckwerkes bekannt, in welcher der Umfang des Übertragungszylinders zu dem des Formzylinders in einem doppelten Verhältnis steht. Der Formzylinder ist in Umfangsrichtung mit einer Druckform und in seiner Längsrichtung mit mindestens vier stehende Druckseiten im Broadsheetformat, oder entsprechender Anzahl von stehenden oder liegenden Tabloid- oder Buchformaten, belegbar. In Umfangsrichtung des Übertragungszylinders ist zur Aufnahme zweier in Längsrichtung des Zylinders nebeneinander angeordneter Drucktücher ein einziger, entweder in Längsrichtung durchgehender oder ein in Längsrichtung geteilter und um 180° versetzter, Schlitz angeordnet. Das Drucktuch ist beispielsweise zweilagig als ein auf einer Trägerplatte befestigtes Gummituch ausgeführt.Also is through the DE 198 03 809 A1 an arrangement of cylinders of an offset printing unit is known in which the circumference of the transfer cylinder to that of the forme cylinder is in a double ratio. The forme cylinder is in the circumferential direction with a printing form and in its longitudinal direction with at least four standing printed pages in the broadsheet format, or equivalent number of standing or lying tabloid or book formats, assignable. In the circumferential direction of the transfer cylinder for receiving two in the longitudinal direction of the cylinder juxtaposed blankets a single, either longitudinally continuous or longitudinally divided and offset by 180 °, slot arranged. The blanket is, for example, two-ply designed as a fixed to a support plate rubber blanket.

In der DE 34 41 175 C2 werden zum Zweck der Entspannung des Gummituches Ausnehmungen in der Zylinderoberfläche des Übertragungszylinders vorgeschlagen. Zwischen Zylinder und Gummituch kann auch zu diesem Zweck eine Unterlage angeordnet sein, die nicht über die gesamte Länge des Gummituches in Umfangsrichtung weist und eine Unterbrechung aufweist. Zur Aufnahme der unterbrochenen Unterlage ist neben dem Spannkanal für das Gummituch ein Einsteckschlitz auf dem Umfang des Zylinders vorgesehen. Die in Längsrichtung des Übertragungszylinders angeordneten Ausnehmungen und der das Gummituch aufnehmende Kanal werden so angeordnet, dass sie im Berührungsbereich jeweils mit dem Kanal des Plattenzylinders zusammen wirken.In the DE 34 41 175 C2 be for the purpose of relaxing the blanket Recesses proposed in the cylinder surface of the transfer cylinder. Between cylinder and blanket can also be arranged for this purpose a pad that does not have the entire length of the blanket in the circumferential direction and has an interruption. To accommodate the interrupted pad a slot is provided on the circumference of the cylinder next to the clamping channel for the blanket. The arranged in the longitudinal direction of the transfer cylinder recesses and the rubber blanket receiving channel are arranged so that they act together in the contact region with the channel of the plate cylinder.

Die DE 197 40 575 A1 zeigt zusammen wirkende Form- und Übertragungszylinder, wobei in einem Ausführungsbeispiel die Übertragungszylinder in Umfangsrichtung hintereinander zwei Spannkanäle und zwei in den Spannkanälen gehaltene Gummitücher aufweisen. Ein doppelt großer Übertragungszylinder wirkt in einem anderen Beispiel mit einem doppelt großen Formzylinder zusammen, wobei jedoch beide Zylinder in Umfangsrichtung nur einen Spannkanal aufweisen. In allen Beispielen rollen die Kanäle nicht aufeinander ab.The DE 197 40 575 A1 shows cooperating forming and transfer cylinder, wherein in one embodiment, the transfer cylinder in the circumferential direction one behind the other two clamping channels and two held in the clamping channels rubber blankets. In another example, a double-sized transfer cylinder interacts with a double-sized forme cylinder, but both cylinders have only one chucking channel in the circumferential direction. In all examples, the channels do not roll off each other.

Durch die DE-OS 19 60 635 ist ein einzelner Formzylinder offenbart, welcher auf seinem Umfang in Umfangsrichtung mehrere Kanäle zur Befestigung von Druckformen aufweist. Bei Belegung des Formzylinders mit einer Druckform in Umfangsrichtung, kann zumindest einer der Kanäle überdeckt sein.By the DE-OS 19 60 635 a single form cylinder is disclosed, which has on its circumference in the circumferential direction a plurality of channels for the attachment of printing plates. When occupying the forme cylinder with a printing forme in the circumferential direction, at least one of the channels can be covered.

Die GB 1 476 707 A offenbart vornehmlich ein Druckwerk für den Direktdruck, dessen Form- und Gegendruckzylinder mit einer Breite zum Druck von sechs nebeneinander angeordneter Zeitungsseiten ausgeführt sind. Die den Druckspalt bildenden Form- und Gegendruckzylinder weisen hierbei abschnittsweise Kanäle zur Aufnahme von Aufzügen auf, welche zur Reduktion von Schwingungsbildung in Umfangsrichtung zueinander versetzt sind. Auf die entsprechende Problematik im Fall eines Offsetdruckwerkes im Spalt zwischen Form- und Übertragungszylinder wird verwiesen.The GB 1 476 707 A discloses primarily a printing unit for direct printing, whose form and impression cylinders are designed with a width for printing six juxtaposed newspaper pages. The forming and impression cylinders forming the printing nip here have sections of channels for receiving elevators, which reduce the formation of vibrations in the circumferential direction relative to each other are offset. Reference is made to the corresponding problem in the case of an offset printing unit in the gap between the forming and transfer cylinders.

Durch die US 5,687,648 A ist ein mehrschichtiges Gummituch aus einer Trägerplatte und einer elastischen Schicht beschrieben, dessen Enden in einem Kanal mit einer Schlitzbreite zur Mantelfläche von z. B. 1 mm gehalten sind.By the US 5,687,648 A is a multi-layer blanket of a support plate and an elastic layer described, the ends in a channel with a slot width to the lateral surface of z. B. 1 mm are held.

In der GB 2 092 069 A ist ein Druckwerk mit einem Form- und einem Übertragungszylinder offenbart, wobei der Formzylinder nebeneinander mehrere Paare von Druckformen trägt, die jeweils 180° des Umfanges abdecken. Ihre Enden sind in zwei sich diametral gegenüberliegenden Kanälen gehalten. Der Übertragungszylinder trägt auf seinem Umfang mehrere Lagen von Polsterung und farbführendem Material, wobei die Lagen um den gesamten Umfang reichen und mit den Enden in einem einzigen Kanal gehalten sind.In the GB 2 092 069 A is a printing unit with a form and a transfer cylinder disclosed, wherein the form cylinder side by side carries a plurality of pairs of printing plates, each covering 180 ° of the circumference. Their ends are held in two diametrically opposed channels. The transfer cylinder carries on its periphery several layers of padding and ink-bearing material, the layers extend around the entire circumference and are held with the ends in a single channel.

In einem Artikel der Ifra-Zeitungstechnik vom Oktober 1991, Seiten 48 - 50, "Die KBA Journal - eine kleine Schwester für die Commander und die Express ", ist ein Druckwerk offenbart, wobei der Formzylinder zwei durchgehende Aufnahmeschlitze und acht Druckformern oder vier Panoramadruckformen aufweist. Der Übertragungszylinder weist in zwei um 180° zueinander versetzten und 18 mm breiten Kanälen zwei über den vollen Umfang reichende Gummitücher auf. Die Maschine ist als preisgünstige und leichter gebaute Maschine für kleine und mittlere Auflagen konzeptioniert und soll das Zeitungsrotationsprogramm nach unten" erweitern.In an article of the Ifra newspaper technology from October 1991, pages 48 - 50, "The KBA journal - a small sister for the Commander and the express The transfer cylinder has two full-circumference blankets in two 180 ° offset channels and 18 mm wide channels, and the transfer cylinder comprises two full-length receiving slots and eight printing formers or four panoramic printing plates and lighter-built machine designed for small and medium runs and is intended to expand the newspaper's rotation program downwards.

In der Ausgabe der Ifra-Zeitungstechnik, September 1991, Seiten 150, 152, 154, 156, 158, "6-Platten-breite Zeitungsmaschinen - Geschichte und Tatsachen " ist für Zeitungen mit hoher Aufklage ein Konzept für den Druck von sechs nebeneinander angeordneter Zeitungsseiten offenbart. Hierbei weist der Formzylinder zwei, drei oder vier Druckplatten in Umfangsrichtung und sechs Platten in der Breite auf. In einer schematischen Darstellung eines Plattenschemas für das 2X6-Konzept sind zwei mal sechs Platten nebeneinander angeordnet. Über die tatsächliche Anordnung der Platten und/oder Kanäle auf dem Zylinder ist keine Angabe gemacht.In the Issue of Ifra-Zeitungstechnik, September 1991, pages 150, 152, 154, 156, 158, "6-plate wide newspaper machines - history and facts "For high-end newspapers, a concept for printing six juxtaposed newspaper pages is disclosed, in which the forme cylinder has two, three or four printing plates in the circumferential direction and six plates in the width Illustration of a plate scheme for the 2X6 concept, two by six plates are arranged side by side. No information is given about the actual arrangement of the plates and / or channels on the cylinder.

Die GB 2 092 069 A offenbart ein Zylinderpaar mit einem Formzylinder und einem Übertragungszylinder, wobei in einem Querschnitt betrachtet der Formzylinder hintereinander zwei Kanäle zur Aufnahme von Druckformen, und der Übertragungszylinder einen Kanal zur Aufnahme von Drucktuchenden aufweist.The GB 2 092 069 A discloses a pair of cylinders with a form cylinder and a transfer cylinder, wherein viewed in a cross section of the forme cylinder in series two channels for receiving printing plates, and the transfer cylinder has a channel for receiving blanket ends.

Die EP 0 849 080 A1 offenbart eine Kanalabdeckung, welche sowohl in Form- als auch Übertragungszylinder einsetzbar ist. In einem Beispiel für einen Übertragungszylinder weist dieser zwei um 180° in Umfangsrichtung versetzte Kanalabschnitte auf, in welchen in axialer Richtung nebeneinander ein vorderes und ein hinteres Gummituch in Umfangsrichtung versetzt zueinander angeordnet sind.The EP 0 849 080 A1 discloses a channel cover which can be used in both forming and transfer cylinders. In one example of a transfer cylinder, the latter has two channel sections which are offset by 180 ° in the circumferential direction and in which, in the axial direction, a front and a rear rubber blanket are arranged offset from one another in the circumferential direction.

Der Erfindung liegt die Aufgabe zugrunde, ein Druckwerk einer Rotationsdruckmaschine zu schaffen.The invention has for its object to provide a printing unit of a rotary printing press.

Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst.The object is achieved by the features of claim 1.

Die Anordnung jeweils mehrerer in Längsrichtung des Form- und/oder Übertragungszylinders verlaufender Kanäle wird den verschiedensten Anforderungen je nach Bedarf gerecht, ohne den Zylinder bei wechselnden Anforderungen an bestehende Druckmaschinen austauschen zu müssen bzw. in der Fertigung jedes Anforderungsprofil einzeln zu berücksichtigen.The arrangement of a plurality of extending in the longitudinal direction of the forming and / or transfer cylinder channels will meet a variety of requirements as needed, without having to replace the cylinder with changing requirements of existing printing presses or to consider each production profile individually in the production.

Vorteilhaft ist insbesondere, dass sowohl verschiedene Formate der Aufzüge, in Umfangs- und Längsrichtung der Zylinder, als auch verschiedene Konstellationen und Phasenverschiebungen der wechselseitig miteinander zusammen wirkenden Zylinder berücksichtigbar, und dadurch hinsichtlich der z.T. konkurrierenden Anforderungen an Registerhaltigkeit, Vibrationsarmut, Anordnung der aneinander abrollenden Druckbereiche und Minimierung des nicht bedruckbaren Papiers bedarfsweise optimierbar sind.It is particularly advantageous that both different formats of the lifts, in the circumferential and longitudinal direction of the cylinder, as well as different constellations and phase shifts of mutually interacting cylinders considered, and thus in terms of competing requirements for register, vibration, arrangement of the rolling pressure areas and minimizing the non-printable paper are optimized as needed.

Eine vorteilhafte Ausführung eines Formzylinders mit Doppelumfang, d. h. beispielsweise zwei Zeitungsseiten in Umfangsrichtung, ermöglicht wahlweise die Belegung mit in Umfangsrichtung hintereinander angeordneten Druckformen oder mit um den vollen Umfang reichenden Druckformen, wobei ein Kanal überdeckt wird. Die Anordnung von über den vollen Umfang reichenden Druckformen vermindert z. B. erheblich die Umrüstzeit. Auch vermindert für den Fall eines Übertragungszylindern eine Anordnung von über den vollen Umfang reichenden Drucktüchern die Umrüstzeit erheblich.An advantageous embodiment of a forme cylinder with double circumference, d. H. For example, two newspaper pages in the circumferential direction, allows either the assignment with circumferentially successively arranged printing forms or with reaching to the full extent printing forms, wherein a channel is covered. The arrangement of over the full extent reaching printing forms reduced z. B. significantly the changeover time. Also, in the case of transfer cylinders, an array of blanket-length blankets significantly reduces the changeover time.

Durch die Anordnung mindestens zweier in Längsrichtung annähernd durchgehender Kanäle auf einem Übertragungszylinder werden eine Vielzahl von Möglichkeiten zur Anordnung von Aufzügen, beispielsweise Drucktüchern geschaffen. Vorteilhaft im Hinblick auf die Qualität der Abwicklung des Druckbildes im Vergleich zu doppelt großen Zylindern mit nur einem Kanal ist bei der Anordnung mehrerer Kanäle auch, dass im Fall von Drucktüchern, die sich um den vollen Umfang erstrecken, ein überdeckter Kanal gleichzeitig zur Entspannung des Aufzuges dienen kann.By arranging at least two channels which are approximately continuous in the longitudinal direction on a transfer cylinder, a large number of possibilities for arranging elevators, for example blankets, are created. Advantageous in terms of the quality of the processing of the printed image compared to double-sized cylinders with only one channel is in the arrangement of multiple channels also that in the case of blankets that extend around the full extent, a covered channel at the same time to relax the elevator can serve.

Bei Überdeckung eines Kanals durch eine Druckform ist es auf Grund bestehender Bruchgefahr vorteilhaft, Formzylinder und Übertragungszylinder so anzuordnen, dass der überdeckte Kanal auf einem Kanal des Übertragungszylinders abrollt. Auch das Abrollen eines durch ein Drucktuch abgedeckten Kanal des Übertragungszylinders auf einem Kanal des Formzylinders ist hinsichtlich einer weiter verbesserten Entspannung des Drucktuches beim Durchgang der Kanäle aufeinander, und somit für das abgerollte Druckbild vorteilhaft.When a channel is covered by a printing forme, it is advantageous, due to the risk of breakage, to arrange the forme cylinder and the transfer cylinder such that the covered channel rolls on a channel of the transfer cylinder. The unwinding of a covered by a blanket channel of the transfer cylinder on a channel of the forme cylinder is in terms of a further improved relaxation of the blanket on passage of the channels to each other, and thus advantageous for the unrolled print image.

Die Anordnung mehrerer nebeneinander in Längsrichtung des Zylinders angeordneter, sich jeweils nahezu über den gesamten Umfang erstreckender Aufzüge weist z. B. Vorteile hinsichtlich Handhabung und einzelner Austauschbarkeit auf. Dies insbesondere für lange Zylinder, wie dies für dreifach (z. B. sechs Zeitungsseiten) breite Zylinder der Fall ist.The arrangement of several juxtaposed in the longitudinal direction of the cylinder, each extending almost over the entire circumference extending elevators has z. B. advantages in terms of handling and individual interchangeability. This is especially true for long cylinders, as is the case for triple (eg six newspaper pages) wide cylinders.

Vorteilhaft im Hinblick auf die Qualität der Abwicklung des Druckbildes ist auch die Ausbildung der Aufzüge für den Übertragungszylinder als mehrlagiges oder mehrschichtiges Drucktuch, welches eine Trägerplatte und eine mit dieser verbundenen Auflage bzw. Schicht aufweist. Insbesondere bei großen Dimensionen ist für ein über den Umfang des Zylinders konstant gute und registergenaue Druckqualität eine möglichst dimensionsstabile Ausbildung wesentlich.The embodiment of the elevators for the transfer cylinder as a multi-layer or multi-layer printing blanket, which has a carrier plate and a support or layer connected thereto, is advantageous with regard to the quality of the development of the printed image. Especially with large dimensions, a dimensionally stable design is essential for a print quality that is consistently good and register-accurate over the circumference of the cylinder.

Vorteilhaft ist auch die Ausbildung der Kanäle mit einer schmalen Öffnung zur Mantelfläche des Zylinders hin, z. B. zur Reduzierung des Papierverbrauchs. Für Kanäle des Formzylinders ist eine schmale Öffnung besonders vorteilhaft, insbesondere für Kanäle, welche zumindest zu einem Teil abgedeckt sind. Beispielsweise kann hierdurch die Bruchgefahr weiter verringert werden.Also advantageous is the formation of the channels with a narrow opening to the outer surface of the cylinder, z. B. to reduce paper consumption. For channels of the forme cylinder, a narrow opening is particularly advantageous, in particular for channels which are covered at least in part. For example, this can further reduce the risk of breakage.

Weiterhin ist es vorteilhaft das Umfangsverhältnis des Übertragungs- zum Formzylinder ganzzahlig auszuführen und die Kanäle auf dem Zylinder in Umfangsrichtung symmetrisch anzuordnen.Furthermore, it is advantageous to perform the circumferential ratio of the transmission to the forme cylinder integral and to arrange the channels on the cylinder in the circumferential direction symmetrically.

Beispiele sind in den Zeichnungen dargestellt und werden im folgenden näher beschrieben.Examples are shown in the drawings and will be described in more detail below.

Es zeigen:

Fig. 1
ein in doppelt breiter Ausführung nicht beanspruchtes Zylinderpaar, wobei der Formzylinder mit zwei in Längsrichtung verlaufenden Kanälen ausgebildet ist und sich die Aufzüge auf dem Formzylinder nahezu über den vollen Umfang erstrecken;
Fig. 2
ein in doppelt breiter Ausführung nicht beanspruchtes Zylinderpaar, wobei der Form- und Übertragungszylinder mit jeweils zwei in Längsrichtung verlaufenden Kanälen ausgebildet ist und sich die Aufzüge auf dem Form- und Übertragungszylinder nahezu über den vollen Umfang erstrecken;
Fig. 3
zwei in doppelt breiter Ausführung nicht beanspruchte Zylinderpaare, wobei der Übertragungszylinder mit zwei in Längsrichtung verlaufenden Kanälen ausgebildet und mit zwei sich nahezu über den vollen Umfang erstreckenden, in Längsrichtung nebeneinander liegenden Aufzügen belegt ist;
Fig. 4
ein mehrschichtiges Drucktuch mit Kanal und Halteeinrichtung.
Show it:
Fig. 1
a cylinder pair not claimed in a double-wide design, wherein the forme cylinder is formed with two longitudinally extending channels and the elevators on the forme cylinder extend almost over the full circumference;
Fig. 2
a cylinder pair unstretched in a double-width design, wherein the forming and transfer cylinder is formed with each two longitudinally extending channels and the elevators extend on the forming and transfer cylinder almost over the full circumference;
Fig. 3
two cylinder pairs unstretched in a double-width design, wherein the transfer cylinder is formed with two longitudinally extending channels and is covered with two elevators extending almost over the full circumference and lying side by side in the longitudinal direction;
Fig. 4
a multi-layered blanket with channel and holding device.

Ein Druckwerk einer Rotationsdruckmaschine weist mindestens ein Zylinderpaar 01 bestehend aus zwei Zylindern 02; 03, beispielsweise einem Übertragungszylinder 02 und einem mit diesem zusammen wirkenden Formzylinder 03 auf. Der Übertragungszylinder 02 kann über den zu bedruckenden Bedruckstoff 04 mit einem nicht dargestellten Gegendruckzylinder oder aber mit einem Übertragungszylinder 07 eines zweiten Zylinderpaares 06 zusammen wirken, dem seinerseits ein Formzylinder 08 zugeordnet ist. Die Übertragungszylinder 02; 07 sind jeweils mit mindestens einem Aufzug 09, beispielsweise einem Drucktuch 09, und die Formzylinder 03; 08 jeweils mit mindestens einem Aufzug 11, beispielsweise einer Druckform 11, belegbar.A printing unit of a rotary printing machine has at least one pair of cylinders 01 consisting of two cylinders 02; 03, for example, a transfer cylinder 02 and cooperating with this form cylinder 03. The transfer cylinder 02 can act on the printing substrate 04 to be printed with a counter-pressure cylinder, not shown, or with a transfer cylinder 07 of a second cylinder pair 06, which in turn is associated with a forme cylinder 08. The transfer cylinder 02; 07 are each with at least one elevator 09, for example a blanket 09, and the forme cylinder 03; 08 each with at least one elevator 11, for example, a printing plate 11, assignable.

Je nach Anforderung an die Druckformate und die Druckleistung, sowie die Möglichkeiten in der Papierführung sind die Zylinderpaare 01; 06 verschieden breit ausgeführt. Beispielsweise sind die Zylinderpaare 01; 06 für den Zeitungsdruck dreifach breit ausgeführt, wobei einfach breit die Breite des Ballens, beispielsweise des Formzylinders 03, für zwei stehende oder liegende Zeitungsseiten bezeichnet. Im Akzidenzdruck wird unter doppeltbreit die erforderliche Breite für vier liegende oder sechs stehende A4-Seiten bezeichnet. Die Umfänge der Übertragungs- 02; 07 und der Formzylinder 03; 08 sind jeweils einfach oder doppelt ausgeführt, bezogen auf unterschiedlichste stehende oder liegende Formate, beispielsweise auf ein stehendes oder liegendes Zeitungsformat. Vorteilhafte Konstellationen im Zeitungsdruck sind beispielsweise ein doppelt großer Umfang, d. h. zwei Seiten in Umfangsrichtung, beim Übertragungszylinder 02; 07 zusammen wirkend mit einem doppelten oder einfachen Umfang beim Formzylinder 03; 08, jeweils doppelt breit.Depending on the requirements of the print formats and the printing performance, as well as the possibilities in the paper guide, the cylinder pairs 01; 06 different widths executed. For example, the cylinder pairs 01; 06 for newspaper printing three times wide, just wide the width of the bale, such as the forme cylinder 03, for two standing or lying newspaper pages. In commercial printing, double-width refers to the required width for four horizontal or six vertical A4 pages. The sizes of transmission 02; 07 and the forme cylinder 03; 08 are each made simple or double, based on a variety of standing or lying formats, such as a standing or lying newspaper format. Advantageous constellations in newspaper printing, for example, a double-sized, ie two sides in the circumferential direction, the transfer cylinder 02; 07 acting together with a double or simple circumference of the forme cylinder 03; 08, each double width.

Fig. 1 zeigt ein nicht beanspruchtes doppelt breites Zylinderpaar 01, wobei Übertragungszylinder 02 und Formzylinder 03 jeweils einen doppelten Umfang aufweisen. Der Formzylinder 03 weist zwei in Längsrichtung verlaufende und in Umfangsrichtung voneinander beabstandete Kanäle 12; 13 zur Aufnahme der Enden mindestens einer Druckform 11, der Übertragungszylinder 02 einen Kanal 14 zur Aufnahme der Enden mindestens eines Drucktuches 09 auf. Die Kanäle 12; 13 des Formzylinders 03, 08 sind zumindest auf einem Teilabschnitt in Längsrichtung des Formzylinders 03; 08, in einem senkrecht zur Rotationsachse liegenden Querschnitt betrachtet, in Umfangsrichtung hintereinander angeordnet. Der Formzylinder 03 ist im Beispiel mit vier in Längsrichtung des Zylinders nebeneinander angeordneten Druckformen 11, beispielsweise Druckplatten 11 belegt, die jeweils mit ihren beiden Enden im Kanal 12 gehalten sind, sich bis auf den Bereich des Kanals 12 jeweils um den gesamten Umfang erstrecken und jeweils den Kanal 13 überdecken. Um einer Bruchgefahr vorzubeugen, sind Formzylinder 03 und Übertragungszylinder 02 vorteilhafter Weise so zueinander angeordnet, dass der überdeckte Kanal 13 beim Abrollen der Zylinder mit dem Kanal 14 des Übertragungszylinders 02 zusammen wirkt. Letzteres ist nicht erforderlich, wenn z. B. der Kanal 13 mittels eines lösbaren Deckels verschließbar ist oder die Kanalbreite so klein ist, dass ein Bruch vermieden wird. Der beanspruchte Formzylinder 03 ist dreifach breit ausgeführt. Er kann flexibel auf vielfältige Weise, z. B. mit einer durchgehenden, oder zwei oder mehreren in Längsrichtung nebeneinander angeordneten Druckplatten 11 verschiedenster Formate (z. B. einfach, Panorama) belegt sein. Im Bedarfsfall kann der Formzylinder 03 auch mehr als zwei in Längsrichtung verlaufende und in Umfangsrichtung voneinander beabstandete Kanäle 12; 13 aufweisen. Der Übertragungszylinder 02 in Fig. 1 kann einen durchgehenden Kanal 14 aufweisen, in dem in axialer Richtung nebeneinander zwei Drucktücher 09 gehalten sind. Fig. 1 shows an unclaimed double-wide pair of cylinders 01, wherein transfer cylinder 02 and forme cylinder 03 each have a double circumference. The forme cylinder 03 has two longitudinally extending and circumferentially spaced channels 12; 13 for receiving the ends of at least one printing plate 11, the transfer cylinder 02 a channel 14 for receiving the ends of at least one blanket 09 on. The channels 12; 13 of the forme cylinder 03, 08 are at least on a partial section in the longitudinal direction of the forme cylinder 03; 08, viewed in a direction perpendicular to the axis of rotation cross section, arranged in the circumferential direction one behind the other. The forme cylinder 03 is occupied in the example with four in the longitudinal direction of the cylinder juxtaposed printing plates 11, for example, pressure plates 11, which are each held with its two ends in the channel 12, extend to the region of the channel 12 in each case around the entire circumference and respectively cover the channel 13. In order to prevent a risk of breakage, forme cylinder 03 and transfer cylinder 02 are advantageously arranged relative to one another in such a way that the covered channel 13 cooperates with the channel 14 of the transfer cylinder 02 during the rolling of the cylinder. The latter is not required if z. B. the channel 13 is closed by means of a releasable lid or the channel width is so small that a break is avoided. The claimed form cylinder 03 is made three times wide. He can be flexible in many ways, eg. B. with a continuous, or two or more longitudinally juxtaposed printing plates 11 of various formats (eg, simple, panoramic) be occupied. If necessary, the forme cylinder 03 may also have more than two longitudinally extending and circumferentially spaced channels 12; 13 have. The transfer cylinder 02 in Fig. 1 may have a continuous channel 14, in which two blankets 09 are held in the axial direction next to each other.

Auch der Übertragungszylinder 02 kann, wie beispielhaft in Fig. 2 gezeigt, einen zweiten, z. B. diametral gegenüber liegenden und in Längsrichtung des Übertragungszylinder 02 verlaufenden Kanal 16 aufweisen. Die Kanäle 14; 16 des Übertragungszylinders 02, 07 sind zumindest auf einem Teilabschnitt in Längsrichtung des Übertragungszylinders 03; 08, in einem senkrecht zur Rotationsachse liegenden Querschnitt betrachtet, in Umfangsrichtung hintereinander angeordnet. Im nicht beanspruchten Beispiel überdeckt ein einziges, sich bis auf den Bereich des Kanals 14 über die gesamte Länge des Ballens und nahezu über den gesamten Umfang erstreckendes Drucktuch 09 den Übertragungszylinder 02. Der Formzylinder ist hier beispielhaft mit zwei in Längsrichtung des Zylinders nebeneinander liegenden, und sich jeweils um nahezu den vollen Umfang erstreckenden Druckplatten 11 belegt. Der überdeckte Kanal 13 wirkt im Beispiel beim Abrollen des Zylinderpaares 01 mit dem ebenfalls überdeckten Kanal 16 des Übertragungszylinders 02 zusammen. Er kann jedoch, wie im ersten Beispiel, auf dem nicht überdeckten Kanal 14 abrollen.Also, the transfer cylinder 02 can, as exemplified in Fig. 2 shown a second, z. B. diametrically opposite and extending in the longitudinal direction of the transfer cylinder 02 channel 16. The channels 14; 16 of the transfer cylinder 02, 07 are at least on a partial section in the longitudinal direction of the transfer cylinder 03; 08, viewed in a direction perpendicular to the axis of rotation cross section, arranged in the circumferential direction one behind the other. In the unclaimed example covers a single, extending to the region of the channel 14 over the entire length of the bale and almost over the entire circumference blanket 09 the transfer cylinder 02. The forme cylinder is here by way of example with two in the longitudinal direction of the cylinder adjacent, and each occupied by almost the full circumference extending pressure plates 11. The covered channel 13 acts in the example when unrolling the cylinder pair 01 with the also covered channel 16 of the transfer cylinder 02 together. However, it can, as in the first example, roll on the uncovered channel 14.

Im Gegensatz zu der in den Figuren 1 und 2 mit dem Formzylinder 03; 08 zusammen wirkend dargestellten nicht beanspruchten doppelt breiten Ausführungsform des Übertragungszylinders 02 ist dieser erfindungsgemäß dreifach breit ausgeführt. Der mit den zwei Kanäle 12, 13 aufweisenden Formzylindern 03; 08 zusammen wirkende Übertragungszylinder 02; 07 aus den ersten beiden Beispielen (Fig. 1, 2) ist mit zwei oder mehreren in Längsrichtung nebeneinander angeordneten Drucktüchern 09 belegt. In Figur 3 kann z. B. auch ein Formzylinder 03 doppelten Umfangs aus den Figuren 1 oder 2 und deren Beschreibung an die Stelle des in Figur 3 dargestellten Formzylinders 03; 08 treten. Mit den gemäß Fig. 1 und 2 dargestellten Ausführungsformen für den Formzylinder 03, 08 kann auch ein Übertragungszylinder herkömmlicher Bauart und Belegung (z. B doppelt groß und nur ein Kanal, ein oder zwei Drucktücher in Längsrichtung nebeneinander) zusammen wirken.Unlike in the Figures 1 and 2 with the forme cylinder 03; 08 together acting unclaimed double-width embodiment of the transfer cylinder 02 this invention is made three times wide. The with the two channels 12, 13 having the form of cylinders 03; 08 cooperating transfer cylinder 02; 07 from the first two examples ( Fig. 1, 2 ) is occupied by two or more longitudinally juxtaposed blankets 09. In FIG. 3 can z. As well as a forme cylinder 03 double circumference of the Figures 1 or 2 and their description in place of in FIG. 3 illustrated forme cylinder 03; 08 kick. With the according to Fig. 1 and 2 For the forme cylinder 03, 08 shown embodiments, a transfer cylinder of conventional design and occupancy (eg, doubly large and only one channel, one or two blankets in the longitudinal direction next to each other) can work together.

Im nachfolgenden Beispiel, Figur 3 und zugehöriger Beschreibung, ist eine weitere vorteilhafte Ausgestaltungen für die Anordnung von Drucktüchem 09 auf einem Übertragungszylinder 02; 07 dargelegt, wobei der Übertragungszylinder 02; 07 mehrere in Längsrichtung verlaufende Kanäle 14; 16 aufweist. Das Beispiel zeigt zwei eine Druckeinheit bildende, nicht beanspruchte doppelt breite Zylinderpaare 01; 06, wobei die beiden Übertragungszylinder 02; 07 über den Bedruckstoff 04 zusammen wirken. Die beanspruchten Zylinderpaare 01; 06 sind jedoch dreifach breit ausgeführt. Die Lehre aus den Beispielen ist dann entsprechend anzuwenden. Im Beispiel weist der Übertragungszylinder 02; 07 einen doppelt so großen Umfang auf wie der des Formzylinders 03; 08, der hier mit jeweils vier in Längsrichtung nebeneinander angeordneten Druckplatten 11 belegt ist. Ebenso kann der Formzylinder 03; 08 aber auch mit zwei nebeneinander angeordneten Panoramadruckformen, oder einer Panoramadruckform und zwei einfachen Druckformen belegt sein. Für das nachfolgende Beispiel kann der zusammen wirkende Formzylinder 03; 08 jedoch auch doppelt groß ausgeführt sein, er kann mit einem oder, wie beansprucht, mit zwei Kanälen 12; 13, mit zwei in axialer Richtung nebeneinander oder in Umfangsrichtung hintereinander angeordneten Druckformen 11, oder mit mehreren in Längsrichtung nebeneinander und gleichzeitig mit mehreren in Umfangsrichtung hintereinander angeordneten Druckformen belegt sein. Auch die in den Figuren 1 und 2 dargestellten Ausführungsformen für den mit den Übertragungszylindern 02; 07 der Figuren 3 bis 7 zusammen wirkenden Formzylinder 03; 08 sind anzuwenden.In the following example, FIG. 3 and related description, is a further advantageous embodiments of the arrangement of Drucktüchem 09 on a transfer cylinder 02; 07 set forth, wherein the transfer cylinder 02; 07 a plurality of longitudinally extending channels 14; 16 has. The example shows two compression unit forming, unclaimed double-wide cylinder pairs 01; 06, wherein the two transfer cylinders 02; 07 on the substrate 04 together. The claimed cylinder pairs 01; 06 are, however, three times wide. The teaching from the examples should then be applied accordingly. In the example, the transfer cylinder 02; 07 twice as large extent as that of the forme cylinder 03; 08, which is here occupied with four longitudinally juxtaposed printing plates 11. Likewise, the forme cylinder 03; 08 but also with two juxtaposed panoramic printing plates, or a panorama printing form and two simple printing forms be occupied. For the following example, the co-operating form cylinder 03; 08 but also be made double in size, he can with one or, as claimed, with two channels 12; 13, with two in the axial direction next to each other or in the circumferential direction successively arranged printing plates 11, or with a plurality of longitudinally adjacent to each other and at the same time with a plurality of circumferentially successively arranged printing forms be occupied. Also in the Figures 1 and 2 illustrated embodiments for the with the transfer cylinders 02; 07 of the FIGS. 3 to 7 co-operating form cylinder 03; 08 are to be applied.

Fig. 3 zeigt die Anordnung zweier Drucktücher 09 auf einem Übertragungszylinder 02; 07, die in dessen Längsrichtung nebeneinander angeordnet sind und sich jeweils annähernd über den vollen Umfang erstrecken. Zwei Kanäle 14; 16 erstrecken sich in Längsrichtung des Übertragungszylinders 02; 07 und sind in Umfangsrichtung nahezu um 180° versetzt angeordnet. Der Kanal 16 ist überdeckt und kann dem Walken entgegen wirken und als Entlastungseinheit den Aufzug entspannen. In vorteilhafter Weise wirkt der Kanal 14 oder der überdeckte Kanal 16 bei Abwicklung der Zylinder gegeneinander mit dem Kanal 12 des Formzylinders 03; 08 zusammen. Die beanspruchte Anordnung von drei nebeneinander angeordneten Drucktüchern 09, insbesondere bei sehr langen Zylindern, erfolgt in analoger Weise fluchtend. Fig. 3 shows the arrangement of two blankets 09 on a transfer cylinder 02; 07, which are arranged side by side in the longitudinal direction and each extending approximately over the full circumference. Two channels 14; 16 extend in the longitudinal direction of the transfer cylinder 02; 07 and are arranged offset in the circumferential direction almost 180 °. The channel 16 is covered and can counteract the walking and relax as a relief unit the elevator. In an advantageous manner, the channel 14 or the covered channel 16 acts upon settlement of the cylinder against each other with the channel 12 of the forme cylinder 03; 08 together. The claimed arrangement of three juxtaposed blankets 09, especially for very long cylinders, is done in an analogous manner in alignment.

Sowohl für die Übertragungszylinder 02; 07 als auch für die Formzylinder 03; 08 ist jeweils die in Umfangsrichtung symmetrische Anordnung der Kanäle 12; 13 bzw. 14; 16 mit nahezu gleichen Zwischenwinkeln vorteilhaft, z. B. bei zwei Kanälen 12; 13 bzw. 14; 16 um jeweils 180°, bei dreien um jeweils 120° oder alternierend um 180° versetzt. Bei mehr als jeweils zwei Kanälen 12; 13 bzw. 14; 16 können mehrere in Längsrichtung nebeneinander angeordnete Druckplatten 11 auch in Umfangsrichtung zueinander versetzt sein.Both for the transfer cylinder 02; 07 as well as for the forme cylinder 03; 08 is in each case the circumferentially symmetrical arrangement of the channels 12; 13 and 14, respectively; 16 with almost identical intermediate angles advantageous, z. B. at two channels 12; 13 and 14, respectively; 16 offset by 180 °, with three by 120 ° or alternately by 180 °. With more than two channels 12 each; 13 and 14, respectively; 16, a plurality of longitudinally juxtaposed pressure plates 11 may be offset from each other in the circumferential direction.

Das Verhältnis des Umfangs der Übertragungszylinder 02; 07 zu dem der Formzylinder 03; 08 ist vorteilhaft ganzzahlig, insbesondere für den Fall eines Formzylinders 03; 08 mit in Umfangsrichtung hintereinander angeordneten Kanälen 12; 13 bei doppelt großem Umfang gleich 1.The ratio of the circumference of the transfer cylinder 02; 07 to the forme cylinder 03; 08 is advantageous integer, in particular for the case of a forme cylinder 03; 08 with circumferentially arranged in succession channels 12; 13 at twice the size equals 1.

Die in Fig. 3 dargestellten beiden Zylinderpaare 01 und 06 müssen nicht in der selben Weise mit der gleichen Kanalanzahl und -geometrie ausgerüstet, bzw. mit dem gleichen Muster für die Aufzüge 09; 11 belegt sein. Vorteilhaft ist jedoch eine Abstimmung der Phasen nicht druckender Bereiche der zusammen wirkenden Übertragungszylinder 02; 07 so, dass möglichst nicht druckende Bereiche, insbesondere Bereiche der verdeckten bzw. nicht verdeckten Kanäle zusammenwirken.In the Fig. 3 shown two cylinder pairs 01 and 06 need not be equipped in the same way with the same channel number and geometry, or with the same pattern for the elevators 09; 11 be occupied. However, it is advantageous to tune the phases of non-printing areas of the co-operating transfer cylinder 02; 07 so that non-printing areas, in particular areas of hidden or not covered channels cooperate.

Selbstverständlich können die in Fig. 1 bis 3 beschriebenen Form- 03 und Übertragungszylinder 02 auch in der "üblichen" Weise, d. h. mit mehreren, durch die Kanalanzahl vorgegebene Anzahl von Aufzügen 09; 11 in Umfangsrichtung hintereinander belegt sein.Of course, the in Fig. 1 to 3 described form 03 and transfer cylinder 02 also in the "usual" way, ie with several, predetermined by the number of channels number of elevators 09; 11 be occupied in the circumferential direction one behind the other.

Die in den Figuren 1 bis 3 und den zugehörigen Beschreibungen dargelegten Belegungen der Übertragungszylindern 02; 07 mit Drucktüchern 09 sind auch auf die jeweils anderen Ausführungsbeispiele entsprechend anzuwenden. Gleiches gilt für die Belegung der Formzylinder 03; 08 und die Übertragung auf die anderen Ausführungsbeispiele im Zusammenhang mit unterschiedlichen Ausführungen des Übertragungszylinders 02; 07.The in the FIGS. 1 to 3 and the descriptions associated with assignments of the transfer cylinders 02; 07 with blankets 09 are also applicable to the other embodiments accordingly. The same applies to the assignment of the forme cylinder 03; 08 and the transfer to the other embodiments in connection with different embodiments of the transfer cylinder 02; 07th

In den Figuren 1 bis 3 sind die Kanäle 12; 13, 14, 16; 17; 18 jeweils bis zur Stirnseite des Zylinders 02; 04, 07; 08 verlaufend dargestellt. Beispielsweise aus Stabilitätsgründen, aus Gründen der Verschmutzung oder bei Verwendung von Schmitzringen kann jedoch stirnseitig ein Rand ohne Kanal 12; 13; 14; 16; 17; 18 vorliegen. Die Kanäle 12; 13; 14; 16; 17; 18 verlaufen in diesem Fall nahezu über die gesamte Länge des Zylinders 02; 03, 07; 08 bzw. dessen Ballens.In the FIGS. 1 to 3 are the channels 12; 13, 14, 16; 17; 18 respectively to the front side of the cylinder 02; 04, 07; 08 shown running. However, for reasons of stability, for reasons of pollution or when using bearer rings, however, an edge without a channel 12 can be provided on the front side; 13; 14; 16; 17; 18 present. The channels 12; 13; 14; 16; 17; 18 extend in this case almost over the entire length of the cylinder 02; 03, 07; 08 or its bale.

Die genannten Ausführungsformen und -beispiele für die Anordnung von Kanälen 12; 13; 14; 16; 17; 18 und Aufzügen 09; 11 auf Übertragungszylindern 02; 07 und Formzylindern 03; 08 sowie Konfigurierungen von Druckwerken mit einem Zylinderpaar 01; 06 aus einem Übertragungszylinder 02; 07 und einem zusammen wirkenden Formzylinder 03; 08 sind selbstverständlich auch für den Fall anzuwenden, wenn das Zylinderpaar 01; 06 nicht mit einem zweiten Übertragungszylinder 07, sondern mit einem beispielsweise als Stahlzylinder ausgeführten Gegendruckzylinder zusammen wirkt.The mentioned embodiments and examples for the arrangement of channels 12; 13; 14; 16; 17; 18 and elevators 09; 11 on transfer cylinders 02; 07 and forme cylinders 03; 08 as well as configurations of printing units with a pair of cylinders 01; 06 from a transfer cylinder 02; 07 and a co-operating form cylinder 03; 08 are of course also apply to the case when the cylinder pair 01; 06 does not cooperate with a second transfer cylinder 07, but with an example, designed as a steel cylinder impression cylinder together.

Unter Aufzug 11 wird hier z. B. eine einteilige Druckplatte 11 verstanden. Der Aufzug 09 für den Übertragungszylinder 02; 07 stellt ein einteiliges Drucktuch 09 dar. Dieses einteilige Drucktuch 09 kann einschichtig oder auch mehrschichtig ausgeführt sein, wobei für letzteres auf einer Trägerplatte 21 beispielsweise mindestens eine Schicht 22 aufgebracht und mit dieser fest verbunden ist. Die Enden 23; 24 des ein- oder mehrschichtigen Drucktuches 09 wirken mit einer im Kanal 14; 16; 17; 18 angeordneten Halteeinrichtung 26 zusammen.Under elevator 11 is here z. B. understood a one-piece pressure plate 11. The elevator 09 for the transfer cylinder 02; 07 represents a one-piece blanket 09. This one-piece blanket 09 may be single-layered or multi-layered, wherein for the latter on a support plate 21, for example, at least one layer 22 is applied and firmly connected thereto. The ends 23; 24 of the single or multi-layer blanket 09 act with a channel 14; 16; 17; 18 arranged holding device 26 together.

Insbesondere in Verbindung mit schmalen Öffnungen der Kanäle 14; 16; 17; 18 zur Mantelfläche des Übertragungszylinder 02; 07 hin ist die Ausbildung des Drucktuches 09 als mehrschichtiges Drucktuch 09 vorteilhaft, welches beim Abrollen beispielsweise des Formzylinders 03 am Übertragungszylinder 02 durch Walken seine Länge oder Breite nicht oder nur unwesentlich ändert, d. h. nahezu dimensionsfest ist. Hierzu weist die Drucktucheinheit 09, wie in Fig. 4 gezeigt, die nahezu dimensionsfeste Trägerplatte 21, beispielsweise aus Metall oder Kunststoff, auf, auf der die elastische oder weiche Schicht 22 aufgebracht ist (angedeutet in Fig. 1 und 2). Im vorliegenden Beispiel für das mehrschichtige Drucktuch 09 sind die Enden 23 und 24 des Drucktuches 09 mit den Enden der Trägerplatte 21 identisch, da die Trägerplatte 21 im mit dem Kanal 14; 16; 17; 18 zusammen wirkenden Bereich abgebogen und unbeschichtet ist.In particular in connection with narrow openings of the channels 14; 16; 17; 18 to the lateral surface of the transfer cylinder 02; 07 toward the formation of the blanket 09 is advantageous as a multi-layer blanket 09, which does not or only insignificantly changes when rolling example, the forme cylinder 03 on the transfer cylinder 02 by walking its length or width, that is almost dimensionally stable. For this purpose, the blanket unit 09, as in Fig. 4 shown, the almost dimensionally stable support plate 21, for example of metal or plastic, on which the elastic or soft layer 22 is applied (indicated in FIG Fig. 1 and 2 ). In the present example of the multi-layer printing blanket 09, the ends 23 and 24 of the blanket 09 are identical to the ends of the support plate 21, since the support plate 21 in with the channel 14; 16; 17; 18 cooperating area is bent and uncoated.

Die Trägerplatte 21 des mehrschichtigen Drucktuches 09 kann in anderer Ausführung auch bis zu den Enden der Trägerplatte 21 beschichtet sein, wobei in diesem Fall die Enden 23 und 24 des mehrschichtigen Drucktuches 09 neben der Trägerplatte 21 auch die Schicht 21 aufweisen. Ist das Drucktuch als einfaches Gummituch 09 ausgeführt, so wirken die Enden 23; 24 des Gummituches 09 mit den Kanälen 14; 16; 17; 18 zusammen.The support plate 21 of the multi-layer printing blanket 09 may be coated in another embodiment also up to the ends of the support plate 21, in which case the ends 23 and 24 of the multilayer blanket 09 next to the support plate 21 and the layer 21 have. If the blanket is designed as a simple rubber blanket 09, the ends 23 act; 24 of the blanket 09 with the channels 14; 16; 17; 18 together.

Auch die Kanäle 12; 13 können in vorteilhafter Ausführung Halteeinrichtungen 33 für die Druckformen 11 aufweisen.Also the channels 12; 13 may have holding devices 33 for the printing plates 11 in an advantageous embodiment.

Die Halteeinrichtung 26; 33 kann eine bekannte Vorrichtung zum kraft- oder formschlüssigen Halten und/oder Spannen eines Aufzuges 09; 11 sein, wie z. B. kraft- oder formschlüssige Mechanismen, über Federkraft oder Getriebe angetriebene Klemmleisten oder Wellen, oder tangentialen Mitnehmer.The holding device 26; 33 may be a known device for non-positive or positive holding and / or clamping a lift 09; Be 11, such. B. force or form-locking mechanisms, via spring force or gear driven terminal strips or shafts, or tangential driver.

Eine vorteilhafte Ausführung einer Halteeinrichtung 26; 33 für einen Aufzug 09; 11, insbesondere für ein mehrschichtiges Drucktuch 09 oder eine Druckform 11, ist am Beispiel eines mehrschichtigen Drucktuches 09 in Fig. 4 anhand des Kanals 14 im Übertragungszylinder 02 stellvertretend dargestellt. Die Anordnung einer derartigen oder ähnlichen Halteeinrichtungen 33 für die Druckformen 11 in den Kanälen 12; 13 ist exemplarisch in Fig: 2 angedeutet.An advantageous embodiment of a holding device 26; 33 for a lift 09; 11, in particular for a multi-layer printing blanket 09 or a printing plate 11, is the example of a multi-layer printing blanket 09 in Fig. 4 shown representative of the channel 14 in the transfer cylinder 02. The arrangement of such or similar holding means 33 for the printing plates 11 in the channels 12; 13 is an example in Fig. 2 indicated.

Die Halteeinrichtung 26 ist im axial verlaufenden Kanal 14 des Übertragungszylinder 02 zum Halten des Drucktuches 09 angeordnet. Die Betätigung der Vorrichtung für das Spannen oder Halten des mehrteiligen Drucktuches 09 erfolgt über eine im Kanal 14 des Übertragungszylinder 02 drehbar gelagerte Welle 27, beispielsweise eine Spindel 27 mit Druckstücken 28.The holding device 26 is arranged in the axially extending channel 14 of the transfer cylinder 02 for holding the blanket 09. The operation of the device for clamping or holding the multi-part blanket 09 via a rotatably mounted in the channel 14 of the transfer cylinder 02 shaft 27, for example, a spindle 27 with pressure pieces 28th

Der parallel zur Achse des Übertragungszylinder 02 verlaufende, zur Tangente der Mantelfläche um 30 bis 60°, insbesondere um ca. 45°, geneigte Kanal 14 weist einen Spalt 29 auf der Mantelfläche des Übertragungszylinder 02 und eine im Inneren des Übertragungszylinder 02 liegende, mit dem Spalt 29 verbundene, Bohrung 31 auf. Die Breite b29 des Spaltes 29 im Bereich der Mantelfläche in Umfangsrichtung des Übertragungszylinders 02; 03; 07; 08 ist größer als die doppelte Dicke eines der Enden 23; 24 des Drucktuches 09, was im vorliegenden Beispiel gleichbedeutend mit der doppelten Dicke der Trägerplatte 21 ist. Für die Breite b29 des Spaltes 29 gilt vorteilhafter Weise 1 mm ≤ b29 ≤ 5 mm, insbesondere b29 ≤ 3 mm. Für den Fall eines einfachen Gummituches 09 ist die Breite b29 unwesentlich größer als die doppelte Dicke des Gummituches 09, im Fall des bis zu den Enden der Trägerplatte 21 beschichteten mehrschichtigen Drucktuches 09 ist die Breite b29 unwesentlich größer als die doppelte Dicke des beschichteten Endes 23; 24 des mehrschichtigen Drucktuches 09 zu wählen.The parallel to the axis of the transfer cylinder 02 extending to the tangent of the lateral surface by 30 to 60 °, in particular by about 45 °, inclined channel 14 has a gap 29 on the lateral surface of the transfer cylinder 02 and a lying inside the transfer cylinder 02, with the Gap 29 connected, bore 31. The width b29 of the gap 29 in the region of the lateral surface in the circumferential direction of the transfer cylinder 02; 03; 07; 08 is greater than twice the thickness of one of the ends 23; 24 of the blanket 09, which in the present example is equivalent to twice the thickness of the support plate 21. For the width b29 of the gap 29 is advantageously 1 mm ≤ b29 ≤ 5 mm, in particular b29 ≤ 3 mm. In the case of a simple blanket 09, the width b29 is insubstantially greater than twice the thickness of the blanket 09, in the case of the multi-layer blanket 09 coated to the ends of the carrier plate 21, the width b29 is insignificantly greater than twice the thickness of the coated end 23; 24 of the multi-layer blanket 09 to choose.

In der Bohrung 31 ist die Welle 27, im Beispiel eine schwenkbare Spindel 27, angeordnet, in der die Druckstücke 28, z. B. Stempel, Kugeln oder vergleichbares, federnd und radial nach außen gerichtet angeordnet sind.In the bore 31, the shaft 27, in the example, a pivotable spindle 27, arranged in which the pressure pieces 28, z. B. stamp, balls or similar, are arranged directed resiliently and radially outward.

Zum Klemmen des Drucktuches 09 werden beide Enden 23; 24 des Drucktuches 09, im Beispiel gleichbedeutend mit den Enden der Trägerplatte 21, in den Spalt 29 geführt und die Spindel 27 mit den Druckstücken 28 so verschwenkt, dass diese nahezu senkrecht gegen das vor- und nachlaufenden Ende 23 und 24 des Drucktuches 09 bzw. der Trägerplatte 21 und eine zylinderfeste Wand 32 drückt und diese kraftschlüssig im Spalt 29 hält. Sind in Umfangsrichtung des Übertragungszylinder 02 mehrere Drucktücher 09 hintereinander angeordnet, so wirken jeweils ein vor- und ein nachlaufendes Ende 23 und 24 benachbarter Drucktücher 09 zusammen. Die Halteeinrichtung 26 kann zusätzlich einen nicht dargestellten Schieber aufweisen, der zusätzlich zu den Enden 23 und 24 in den Spalt 29 einschiebbar ist und den Spalt 29 nach außen hin abschließt. Vorteilhaft ist dieser Schieber mit der Spindel 27 verbunden, so dass er bei Verschwenken der Spindel 27 in den bzw. aus dem Spalt 29 bewegt wird. Die Breite b29 des Spaltes 29 ist bei Verwendung eines derartigen Schiebers entsprechend größer ausgebildet.For clamping the blanket 09 both ends 23; 24 of the blanket 09, in the example equivalent to the ends of the support plate 21, guided in the gap 29 and the spindle 27 with the pressure pieces 28 so pivoted that this almost perpendicular to the leading and trailing end 23 and 24 of the blanket 09 and the support plate 21 and a cylinder-fixed wall 32 presses and holds this non-positively in the gap 29. If a plurality of printing blankets 09 are arranged one behind the other in the circumferential direction of the transfer cylinder 02, a forward and a trailing end 23 and 24 of adjacent printing blankets 09 act together in each case. The holding device 26 may additionally comprise a slide, not shown, which in addition to the ends 23 and 24 in the gap 29 can be inserted and the gap 29 terminates to the outside. Advantageously, this slide is connected to the spindle 27, so that it is moved in pivoting of the spindle 27 in or out of the gap 29. The width b29 of the gap 29 is formed correspondingly larger when using such a slider.

Die Kanäle 12; 13 der Formzylinder 03; 08 sind in bevorzugter Ausführung wie für den Kanal 14; 16; 17; 18 ebenfalls als zur Tangente der Mantelfläche um 30 bis 60°, insbesondere um ca. 45°, geneigte schmale Schlitze 12; 13 ausgeführt, welche eine Breite b12 (Fig. 1, 2) im Bereich der Mantelfläche in Umfangsrichtung aufweisen, die größer als die doppelte Dicke der Druckform 11 ist. Für die Breite b12 des Schlitzes 12 gilt vorteilhafter Weise 1 mm ≤ b12 ≤ 5 mm, insbesondere b12 ≤ 3 mm. Für eine beispielhafte Prinzipdarstellung der Halteeinrichtung 33 für die Druckform 11 ist in der für das mehrteilige Drucktuch 09 dargestellten Fig. 4 lediglich das mehrteilige Drucktuch 09 (aus Trägerplatte 21 und Schicht 22) durch eine Druckform 11 mit abgebogenen, in den Kanal 12; 13 reichenden Enden zu ersetzen. Das Bezugszeichen für die Breite b29 entspräche der Breite b12 und das Bezugszeichen für den Übertragungszylinder 02 dem des Formzylinders, z. B. 03. Die Enden 23; 24 entsprächen den abgebogenen Enden der Druckform 11.The channels 12; 13 of the forme cylinder 03; 08 are in a preferred embodiment as for the channel 14; 16; 17; 18 also as to the tangent of the lateral surface by 30 to 60 °, in particular by approximately 45 °, inclined narrow slots 12; 13, which has a width b12 (FIG. Fig. 1, 2 ) in the region of the lateral surface in the circumferential direction, which is greater than twice the thickness of the printing plate 11. For the width b12 of the slot 12, advantageously 1 mm ≦ b12 ≦ 5 mm, in particular b12 ≦ 3 mm. For an exemplary schematic representation of the holding device 33 for the printing plate 11 is shown in the multi-part blanket 09 Fig. 4 only the multi-part blanket 09 (from support plate 21 and layer 22) by a printing plate 11 with bent, in the channel 12; To replace 13 reaching ends. The reference number for the width b29 would correspond to the width b12 and the reference numeral for the transfer cylinder 02 of the forme cylinder, z. B. 03. The ends 23; 24 correspond to the bent ends of the printing forme 11.

Auf eine Halteeinrichtung 33 in den Kanälen 12; 13 der Formzylinder 03; 08 kann verzichtet werden, wenn mittels Formgebung der Enden der Druckform 11 und/oder der Kanäle 12; 13 ein sicheres Halten gewährleistet ist.On a holding device 33 in the channels 12; 13 of the forme cylinder 03; 08 can be omitted if by means of shaping the ends of the printing plate 11 and / or the channels 12; 13 a secure holding is guaranteed.

Claims (20)

  1. Printing unit of a rotary printing press, comprising a transfer cylinder (02; 07), a forme cylinder (03; 08) arranged so as to cooperate with the transfer cylinder (02; 07) as a pair of cylinders (01; 06) and a cylinder cooperating with the transfer cylinder (02; 07) via a print medium (04), the body of the transfer cylinder (02; 07) and of the forme cylinder (03; 08) being formed so as to have triple width and having in each case a width which corresponds to about six horizontal or vertical newspaper pages, and the forme cylinder (03; 08) having, in the circumferential direction, two channels (12; 13) offset approximately by 180° relative to one another, characterized in that the two channels (12; 13) of the forme cylinder (03; 08) each extend up to the end face or, except for an end edge, virtually over the total length of a body of the forme cylinder (03; 08), in that the transfer cylinder (02) has three printing blankets (09) arranged side by side in the longitudinal direction of the transfer cylinder (02) and in each case approximately over the total circumference, in that the transfer cylinder (02; 07) has, in the longitudinal direction, a continuous channel (14) in which the three printing blankets (09) are held flush next to one another in the axial direction, and in that the packing (09) has a multilayer form, having a backing plate (21) and a layer (22) connected to the backing plate (21).
  2. Printing unit according to Claim 1, characterized in that the channel (14; 16; 17; 18) of the transfer cylinder (02; 07) has a gap (29b) of 1 to 5 mm in the circumferential direction in the region of the lateral surface.
  3. Printing unit according to Claim 1, characterized in that bearer rings are provided on the cylinders (02; 03; 07; 08).
  4. Printing unit according to Claim 1, characterized in that the packing (09) of the transfer cylinder (02) extends virtually over the total circumference, except for the region of a channel (14).
  5. Printing unit according to Claim 1, characterized in that the channels (12; 13) of the forme cylinder (03; 08) are inclined by 30° to 60° relative to the tangent of the lateral surface.
  6. Printing unit according to Claim 5, characterized in that the inclination is about 45°.
  7. Printing unit according to Claim 1, characterized in that the channels (12; 13) of the forme cylinder (03; 08) have retaining devices (33) driven by means of spring force and intended for the printing formes (11).
  8. Printing unit according to Claim 1, characterized in that the cylinder cooperating via the print medium (04) is in the form of a counter pressure cylinder differing from a second transfer cylinder.
  9. Printing unit according to Claim 1, characterized in that the cylinder cooperating via the print medium (04) is in the form of a transfer cylinder (07) of a second pair of cylinders (06).
  10. Printing unit according to Claim 1, characterized in that forme cylinder (03; 08) and transfer cylinder (02; 07) have the same circumference.
  11. Printing unit according to Claim 1, characterized in that the body of the transfer cylinder (02; 07) has a circumference which corresponds to at least two horizontal or vertical newspaper pages.
  12. Printing unit according to Claim 1, characterized in that the channel (12; 13; 14; 16; 17; 18) has at least one retaining device.
  13. Printing unit according to Claim 1, characterized in that the ratio of the circumference of transfer cylinder (02; 07) to that of forme cylinder (03; 08) is integral.
  14. Printing unit according to Claim 1, characterized in that the printing formes (11) are arranged with their ends in a channel (12; 13) or at least in alignment along the forme cylinder (03; 08).
  15. Printing unit according to Claim 1, characterized in that the forme cylinder (03; 08) has a plurality of printing formes (11) arranged one behind the other in the circumferential direction.
  16. Printing unit according to Claim 1, characterized in that the body of the forme cylinder (03; 08) has a circumference which corresponds to at least two horizontal or vertical newspaper pages.
  17. Printing unit according to Claim 1, characterized in that the channel (12; 13) of the forme cylinder (03; 08) has, in the region of the lateral surface, in the circumferential direction, a width (b12) which is greater than twice the thickness of the printing forme (11) and in the range between 1 mm and 5 mm, in particular less than or equal to 3 mm.
  18. Printing unit according to Claim 1, characterized in that the channel (12; 13; 14; 16; 17; 18) has at least one retaining device (26; 33).
  19. Printing unit according to Claim 1, characterized in that the packing (09) has a multilayer form, having a backing plate (21) and a layer (22) connected to the backing plate (21).
  20. Printing unit according to Claim 2, characterized in that bearer rings are provided on the cylinders (02; 03; 07; 08).
EP03017242A 1999-12-02 2000-12-01 Printing group of a printing machine Expired - Lifetime EP1361051B9 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE20023363U DE20023363U1 (en) 1999-12-02 2000-12-01 Cylinder for rotary printing machine has double-width printers with ducts covered by second casings
DE20023995U DE20023995U1 (en) 1999-12-02 2000-12-01 Printing unit of a rotary printing machine

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE1999158133 DE19958133C2 (en) 1999-12-02 1999-12-02 printing unit
DE19958135 1999-12-02
DE19958135 1999-12-02
DE19958133 1999-12-02
DE10016409A DE10016409B4 (en) 1999-12-02 2000-04-01 Printing unit of a rotary printing machine
DE10016409 2000-04-01
EP00989826A EP1233864B1 (en) 1999-12-02 2000-12-01 Printing group of a rotary printing press

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP00989826A Division EP1233864B1 (en) 1999-12-02 2000-12-01 Printing group of a rotary printing press
EP00989826.3 Division 2000-12-01

Publications (4)

Publication Number Publication Date
EP1361051A2 EP1361051A2 (en) 2003-11-12
EP1361051A3 EP1361051A3 (en) 2005-09-07
EP1361051B1 true EP1361051B1 (en) 2009-12-09
EP1361051B9 EP1361051B9 (en) 2010-02-24

Family

ID=27213780

Family Applications (16)

Application Number Title Priority Date Filing Date
EP03003525A Expired - Lifetime EP1310363B1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP03008048A Withdrawn EP1329312A3 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP03017312A Withdrawn EP1361054A3 (en) 1999-12-02 2000-12-01 Blanket cylinder of a printing machine
EP03017242A Expired - Lifetime EP1361051B9 (en) 1999-12-02 2000-12-01 Printing group of a printing machine
EP05103076A Withdrawn EP1568492A1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP04102358A Expired - Lifetime EP1454745B1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP08158557A Expired - Lifetime EP1970197B1 (en) 1999-12-02 2000-12-01 Printing group of a rotary printing press
EP00989826A Expired - Lifetime EP1233864B1 (en) 1999-12-02 2000-12-01 Printing group of a rotary printing press
EP03017243A Expired - Lifetime EP1361052B1 (en) 1999-12-02 2000-12-01 Printing groups of a printing press
EP03003523A Withdrawn EP1310362A1 (en) 1999-12-02 2000-12-01 Blanket cylinder of a printing machine
EP03011783A Expired - Lifetime EP1334826B1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP03017311A Withdrawn EP1361053A3 (en) 1999-12-02 2000-12-01 Blanket cylinder of a printing machine
EP05100151A Withdrawn EP1522405A3 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP05104291A Expired - Lifetime EP1574332B1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP03010638A Expired - Lifetime EP1334825B1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP00989827A Expired - Lifetime EP1233862B1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine

Family Applications Before (3)

Application Number Title Priority Date Filing Date
EP03003525A Expired - Lifetime EP1310363B1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP03008048A Withdrawn EP1329312A3 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP03017312A Withdrawn EP1361054A3 (en) 1999-12-02 2000-12-01 Blanket cylinder of a printing machine

Family Applications After (12)

Application Number Title Priority Date Filing Date
EP05103076A Withdrawn EP1568492A1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP04102358A Expired - Lifetime EP1454745B1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP08158557A Expired - Lifetime EP1970197B1 (en) 1999-12-02 2000-12-01 Printing group of a rotary printing press
EP00989826A Expired - Lifetime EP1233864B1 (en) 1999-12-02 2000-12-01 Printing group of a rotary printing press
EP03017243A Expired - Lifetime EP1361052B1 (en) 1999-12-02 2000-12-01 Printing groups of a printing press
EP03003523A Withdrawn EP1310362A1 (en) 1999-12-02 2000-12-01 Blanket cylinder of a printing machine
EP03011783A Expired - Lifetime EP1334826B1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP03017311A Withdrawn EP1361053A3 (en) 1999-12-02 2000-12-01 Blanket cylinder of a printing machine
EP05100151A Withdrawn EP1522405A3 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP05104291A Expired - Lifetime EP1574332B1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP03010638A Expired - Lifetime EP1334825B1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine
EP00989827A Expired - Lifetime EP1233862B1 (en) 1999-12-02 2000-12-01 Printing unit of a printing machine

Country Status (8)

Country Link
US (4) US6920824B2 (en)
EP (16) EP1310363B1 (en)
AT (10) ATE407005T1 (en)
DE (23) DE50005572D1 (en)
DK (3) DK1454745T3 (en)
ES (4) ES2211858T3 (en)
PT (1) PT1454745E (en)
WO (2) WO2001039974A2 (en)

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Publication number Publication date
ATE451236T1 (en) 2009-12-15
EP1970197A3 (en) 2009-12-16
DE20023298U1 (en) 2003-10-02
PT1454745E (en) 2008-10-02
ATE444164T1 (en) 2009-10-15
EP1970197B1 (en) 2010-11-17
US20020189470A1 (en) 2002-12-19
EP1334825A3 (en) 2003-08-27
EP1361051A3 (en) 2005-09-07
EP1522405A3 (en) 2005-04-20
ATE488364T1 (en) 2010-12-15
ATE252455T1 (en) 2003-11-15
DE20023363U1 (en) 2003-11-20
EP1334826A2 (en) 2003-08-13
EP1568492A1 (en) 2005-08-31
DK1361051T3 (en) 2010-03-01
US7246557B2 (en) 2007-07-24
EP1522405A2 (en) 2005-04-13
US20050145129A1 (en) 2005-07-07
EP1361052B1 (en) 2009-09-30
DE20023300U1 (en) 2003-10-02
ATE408503T1 (en) 2008-10-15
EP1329312A2 (en) 2003-07-23
US6920824B2 (en) 2005-07-26
EP1329312A3 (en) 2005-06-15
ES2211858T3 (en) 2004-07-16
US7066090B2 (en) 2006-06-27
EP1574332B1 (en) 2008-09-03
US7523703B2 (en) 2009-04-28
DE50015753D1 (en) 2009-11-12
DE50015819D1 (en) 2010-01-21
EP1454745B1 (en) 2008-09-17
DE20023301U1 (en) 2003-10-02
EP1970197A2 (en) 2008-09-17
EP1233864A1 (en) 2002-08-28
EP1361053A2 (en) 2003-11-12
EP1361054A2 (en) 2003-11-12
DK1454745T3 (en) 2009-01-05
DE50015369D1 (en) 2008-10-30
DE20023995U1 (en) 2008-11-06
DE20023414U1 (en) 2004-02-26
ATE511444T1 (en) 2011-06-15
DK1310363T3 (en) 2004-03-29
US20050145130A1 (en) 2005-07-07
EP1310362A1 (en) 2003-05-14
DE20023299U1 (en) 2003-10-02
EP1334825A2 (en) 2003-08-13
EP1334826B1 (en) 2009-08-05
EP1233864B1 (en) 2003-10-22
EP1361051A2 (en) 2003-11-12
DE20023996U1 (en) 2008-11-06
WO2001039977A1 (en) 2001-06-07
WO2001039974A3 (en) 2001-11-15
DE50010842D1 (en) 2005-09-01
DE50004200D1 (en) 2003-11-27
DE50005572D1 (en) 2004-04-08
ES2330422T3 (en) 2009-12-10
DE20023365U1 (en) 2003-11-20
DE50015347D1 (en) 2008-10-16
DE20024010U1 (en) 2009-06-10
EP1361052A3 (en) 2008-07-16
DE20023364U1 (en) 2003-11-20
DE20023697U1 (en) 2005-08-25
DE20023206U1 (en) 2003-04-30
DE50015707D1 (en) 2009-09-17
EP1334825B1 (en) 2011-06-01
EP1310363B1 (en) 2004-03-03
EP1454745A2 (en) 2004-09-08
ATE438508T1 (en) 2009-08-15
DE20023366U1 (en) 2003-11-20
EP1361052A2 (en) 2003-11-12
EP1361051B9 (en) 2010-02-24
ATE407005T1 (en) 2008-09-15
EP1361053A3 (en) 2004-01-28
US20060117974A1 (en) 2006-06-08
EP1233862B1 (en) 2005-07-27
WO2001039974A2 (en) 2001-06-07
EP1334826A3 (en) 2003-08-27
ES2334120T3 (en) 2010-03-05
DE50016033D1 (en) 2010-12-30
ES2310700T3 (en) 2009-01-16
EP1361054A3 (en) 2005-06-15
EP1454745A3 (en) 2004-09-15
EP1574332A1 (en) 2005-09-14
WO2001039974B1 (en) 2002-06-06
EP1233862A2 (en) 2002-08-28
EP1310363A1 (en) 2003-05-14
ATE260765T1 (en) 2004-03-15
ATE300426T1 (en) 2005-08-15

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