EP1742794A1 - Formes d'impression d'une machine d'impression, et presse rotative a imprimer - Google Patents

Formes d'impression d'une machine d'impression, et presse rotative a imprimer

Info

Publication number
EP1742794A1
EP1742794A1 EP05744815A EP05744815A EP1742794A1 EP 1742794 A1 EP1742794 A1 EP 1742794A1 EP 05744815 A EP05744815 A EP 05744815A EP 05744815 A EP05744815 A EP 05744815A EP 1742794 A1 EP1742794 A1 EP 1742794A1
Authority
EP
European Patent Office
Prior art keywords
printing
web
width
printing form
fed rotary
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.)
Granted
Application number
EP05744815A
Other languages
German (de)
English (en)
Other versions
EP1742794B1 (fr
Inventor
Burkard Otto Herbert
Lothar Franz Hohmann
Bernd Kurt Masuch
Kurt Johannes Weschenfelder
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
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Priority to EP08150699A priority Critical patent/EP1908588B1/fr
Publication of EP1742794A1 publication Critical patent/EP1742794A1/fr
Application granted granted Critical
Publication of EP1742794B1 publication Critical patent/EP1742794B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/10—Forme 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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56—Folding or cutting
    • B41F13/58—Folding or cutting lengthwise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56—Folding or cutting
    • B41F13/60—Folding or cutting crosswise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D7/00—Newspapers or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement
    • B65H45/221—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement incorporating folding triangles
    • B65H45/225—Arrangements of folding triangles

Definitions

  • the invention relates to printing forms of a printing press and
  • DE 25 28 008 A1 shows a printing press for a direct printing process with forme cylinders which can be equipped with six printing plates in the axial direction and with two printing plates in the circumferential direction, and with counter-pressure cylinders which can be occupied with a printing felt in the axial direction and three in the circumferential direction. Both the side-by-side printing plates and the side-by-side printing felts are offset from one another in the circumferential direction.
  • DE 2422 696 C2 shows a six-plate-wide satellite printing unit with offset printing units (nine or ten cylinders), the two middle ones of six printing plates arranged side by side in the axial direction being offset on the forme cylinder in the circumferential direction.
  • DE 41 28 797 A1 discloses a triple-width web-fed rotary printing press with two folding formers arranged on two different levels one above the other.
  • a folding structure is known from US Pat. No. 4,671,501 A, two folding formers being arranged one above the other, the webs being cut lengthwise in front of a third former after passing through idler rollers, the partial webs being rotated through 90 ° over a third former and then being combined into two strands are fed to the two funnels arranged one above the other.
  • EP 10 72 551 A2 discloses a folding structure with two groups of three formers, each offset vertically from one another.
  • a folding structure is known, according to which cut partial webs, which are offset transversely to one another, are fed to different formers.
  • the horizontally next to each other are z. T. vertically staggered.
  • EP 12 38 935 A2 discloses a longitudinal cutting device for variable cutting widths with upper knives that can be moved in the axial direction and a lower knife shaft with grooves that extend beyond the number of upper knives.
  • DE 42 04254 A1 discloses a folding structure of a four-page newspaper printing press, two folding hoppers which can be displaced transversely to the web running direction being arranged in a lower former level and a single stationary folding former in one plane above.
  • a newspaper with four pages next to one another is produced via the two lower former, and in another mode six pages of a telephone book page are produced next to each other with the three former, the two lower former being moved apart in the latter case.
  • EP 10 72 551 A2 shows a former arrangement with two groups of three former, wherein the former of one group lie in one plane and, viewed at least in the horizontal direction, overlap in their vertical extent.
  • DE 196 28 647 A1 From DE 196 28 647 A1 it is known to print a web with panoramic print pages, ie the print over two newspaper pages without interruption.
  • DE 100 16 409 A1 in connection with double-wide printing units, discloses a transfer cylinder which has two printing blankets side by side. In addition to single and double width cylinders, triple width cylinders are also mentioned.
  • the invention has for its object to provide printing forms of a printing press and web-fed rotary printing presses.
  • one or more devices of guiding and / or processing elements interacting with the web can be variably adjusted to the different web width.
  • These are, for example, pressure rollers in the feed mechanism, catching rollers of a catching device, knives of a longitudinal cutting device, pressure rollers of a pulling group and / or folding formers of a folding structure arranged next to one another.
  • the web is advantageously guided symmetrically to the printing machine center axis - that is to say, for example, centrally to the cylinder width ⁇ - through the machine.
  • a preferred further training at a odd number of guide and / or processing elements arranged a middle in said plane of symmetry This can then be fixed in the transverse direction to the transport direction, while the outer guiding and / or processing elements should be movable transversely to the transport direction and thus should be designed to be adjustable to the web width.
  • the printing units are designed as nine-cylinder satellite printing units, which on the one hand results in high precision in the color register and on the other hand results in a low-vibration design.
  • the design as a satellite printing unit is also advantageous because, when printing different web widths in the rubber-to-rubber printing unit, direct contact zones without paper web are available for at least one web width. As is well known, this would lead to greatly changed funding behavior, which in some cases can cause significant register deviations and wrinkles.
  • Vibrations are also reduced by the advantageous arrangement, design and attachment of elevators on the cylinders.
  • openings on the lateral surfaces are minimized in the circumferential direction.
  • the openings can be arranged alternately offset in the circumferential direction in such a way that at least one section length is always a closed one
  • the outer surface interacts with the forme or satellite cylinder.
  • the drive of the satellite cylinder (s) that is mechanically independent of the cylinder pairs has particular advantages with regard to the possibility of variable operation. For example, set-up, e.g. B. a flying change of printing form or washing. Conversely, a path can be drawn in while other cylinders or pairs of cylinders are stationary or are undergoing a set-up program. It is also advantageous if rubber blankets with positive or negative promoting properties are present to operate the satellite cylinder with a surface speed that is different from that of the other cylinders.
  • a superstructure of the printing press has at least one longitudinal cutting device with at least five knives spaced apart from one another transversely to the paper running direction.
  • FIG. 1 is a side view of a web-fed rotary printing press
  • 2 shows a schematic front view of a printing unit
  • 3 shows a schematic plan view of a printing unit
  • FIG. 4 shows a schematic illustration of cylinders in perspective view with the product to be processed
  • FIG. 11 shows a schematic illustration of a three-hopper production, straight ahead, for variable web widths
  • FIG. 12 shows a schematic illustration of a four-hopper production, offset, for variable web widths
  • FIG. 13 shows a schematic top view of a production in a special tabloid format
  • FIG. 14 shows a schematic front view of the production according to FIG. 13;
  • FIG. 16 shows a schematic front view of the production according to FIG. 15;
  • FIG. 17 shows a schematic top view of a production in a special format with plow fold
  • 25 shows a first exemplary embodiment for a train group
  • Fig. 26 shows a second embodiment for a train group with wider a) and narrower b) train
  • FIG. 27 shows an exemplary embodiment for a longitudinal cutting device of wide a) and narrow b) web
  • FIG. 28 shows a first exemplary embodiment for a turning device with a) wide and narrow b) web
  • 29 shows a second exemplary embodiment for a turning device with a) wide and narrow b) web
  • FIG. 30 shows two variants a) and b) of a machine concept with a rotated fold structure
  • FIG. 33 shows a schematic illustration of a four-page newspaper printing unit when printing with a wider (a) and a narrower (b) web;
  • 35 shows a further exemplary embodiment of a printing press
  • 36 shows a further exemplary embodiment of a printing press.
  • the web-fed rotary printing press exemplarily shown in FIG. 1, in particular newspaper printing press, has a left and a right section with at least one each two printing towers 01.
  • the printing towers 01 have printing units 02 which, for. B. at least three times wide, that is, for printing six axially arranged newspaper pages.
  • the printing units 02 are designed as satellite printing units 02.
  • the advantageous design of the printing units 02 as nine-cylinder satellite printing units 02 ensures a very good registration or a low fan-out.
  • the printing units 02 can, however, also be used as ten-cylinder satellite printing units 02 or, if appropriate, also as printing units operable in rubber-against-rubber printing, such as, for. B. several bridge printing units or an H-printing unit 02 can be executed.
  • the printing units 02 are web 03, z. B. webs 03 of rolls, not shown, in particular using roll changers 05 via so-called infeed units 10 (only represented once in FIG. 1). In this case, more roll changers 05 and feed mechanisms 10 can advantageously be provided than printing towers 01.
  • a superstructure 04 Downstream of a web 03 passing through the printing towers 01 or printing units 02, here above the printing towers 01, a superstructure 04 is provided in each section, in which the web 03 or webs 03 cut on longitudinal cutting devices 06, partial webs may be offset by turning devices 07 and / or overturned, can be aligned with one another in the longitudinal register by means of the register devices 08 only indicated in FIG. 1 and can be guided one above the other. Downstream in the web running direction, the superstructure 04 has at least one so-called harp 09 with a number of superposed ones, the webs 03 or partial webs 03a; 03b; 03c perform harp or overrun rollers.
  • the harp 09 determines the funnel entry of the superimposed webs 03 or partial webs 03a; 03b; 03c.
  • the lanes 03 or partial lanes 03a; 03b; 03c a change of direction and are then combined either as one strand or as several strands and fed to at least one folding structure 11.
  • two folding structures 11 are arranged between the sections, which z. B. each have two formers arranged on two different levels one above the other.
  • the printing press can also have only one common fold structure 11 arranged between the sections, or else only one section and an associated fold structure 11.
  • the respective fold structure 11 can also be designed with only one level of formers.
  • One or more folders 12 are assigned to each folder structure 11.
  • the printing unit 02 has several, in the example four, printing units 13, by means of which ink can be applied to the web 03 from an inking unit 14 via at least one cylinder 16 designed as a forme cylinder 16 (FIG. 2).
  • the printing unit 13 is designed as an offset printing unit 13 for wet offset and has, in addition to the inking unit 14, a dampening unit 20 and a further cylinder 17 designed as a transfer cylinder 17.
  • the transfer cylinder 17 forms a pressure point with a pressure cylinder 18 forming an abutment.
  • FIG. 1 Preferably, as shown in the example in FIG.
  • the printing cylinder 18 is designed as a satellite cylinder 18, which forms at least one further printing unit 13 with at least one further transfer cylinder 17 and, in the printing position, a further printing points.
  • the printing cylinder 18 could also be designed as a transfer cylinder when the printing units 13 are designed as double printing units in rubber-against-rubber printing.
  • the same parts are given the same reference numerals, unless it is necessary to distinguish them. However, there may be a difference in the spatial location and remains in the case of the assignment of the same reference numerals i. d. R. disregarded.
  • the inking unit 14 has an ink fountain 15 which extends over six printed pages.
  • three ink fountains 15, each approximately two printed pages wide, are arranged side by side in the axial direction.
  • the dampening unit 20 is designed in an advantageous embodiment as a four-roller spray dampening unit 20.
  • the forme cylinder 16 has, for. B. a circumference between 850 and 1,000 mm, in particular from 900 to 940 mm.
  • the scope is e.g. B. to accommodate two standing pages, z. B. newspaper pages in broadsheet format, by means of two elevators 19, z. B. flexible printing forms 19, formed.
  • the printing formes 19 can be mounted on the forme cylinder 16 in the circumferential direction and, in the embodiment shown in FIG. 3, can be replaced individually as a single printing plate equipped with a printing side in the axial direction.
  • the length L16 of the usable bale of the forme cylinder 16 in the first embodiment is, for. B. 1,850 to 2,400 mm, in particular 1,900 to 2,300 mm and is in the axial direction for receiving z. B. at least six adjacent printed pages, in particular newspaper pages of different formats, eg. B. in broadsheet and a different format, dimensioned (see Fig. 3, sections A to F). It is u. a. Depending on the type of product to be manufactured, whether only one print page or several print pages are arranged next to one another in the axial direction on a printing form 19.
  • the forme cylinder 16 z. B. a circumference between 980 and 1,300 mm, in particular from 1,000 to 1,200 mm.
  • the length L16 of the usable bale is z. B. 1,950 to 2,500, advantageously 1,950 to 2,400 mm, in particular 2,000 to 2,400 mm. The assignment corresponds to the above. Execution.
  • the transfer cylinder 17 in the first embodiment also has a scope z. B. between 850 and 1,000 mm, in particular from 900 to 940 mm.
  • the length L17 of the usable bale of the transfer cylinder 17 is z in the first embodiment. B. also 1,850 to 2,400 mm, in particular 1,900 to 2,300 mm.
  • the transfer cylinder 17 z. B. a circumference between 980 and 1,300 mm, in particular from 1,000 to 1,200 mm.
  • the length L17 of the usable bale is z. B. 1,950 to 2,500, advantageously 1,950 to 2,400 mm, in particular 2,000 to 2,400 mm.
  • the assignment with elevators 21 corresponds to the first embodiment.
  • Diameter of bales of cylinders 16; 17 are in the first o. G. Execution z. B. from 270 to 320 mm, in particular from about 285 to 300 mm. In the second above Execution is the diameter of bales of cylinders 16; 17 z. B. from about 310 to 410 mm, in particular from 320 to about 380 mm. A ratio of a usable bale length of cylinders 16; 17 to their diameter should be 5.8 to 8.8, z. B. at 6.3 to 8.0, in a broad version in particular at 6.5 to 8.0.
  • Lt6; L17 of the usable bale is to be understood here as the width or length of the bale which is used to accommodate lifts 19; 21 is suitable. This corresponds approximately to a maximum possible web width of a web 03 to be printed. Relative to an entire length of the bale of the cylinders 16; 17 would be L16 to this length; L17 of the usable bale, the width of any existing bearer rings, of any grooves and / or of any surface areas that may be present, which z. B. must be accessible for the operation of clamping and / or clamping devices.
  • the satellite cylinder 18 also essentially has the dimensions and ratios mentioned, at least the assigned one Transfer cylinder 17 on.
  • the printing press is suitable for the production of various product formats, i. H. the printing of webs 03 of different widths. This does not mean a different width due to part-width webs, as would be the case with "half", “third”, “two-third wide” webs of the same base web. With the different web width, there is a difference with the same number of possible pages Product format.
  • Forme and transfer cylinder 16; In a particularly advantageous embodiment, 17 have the occupancy shown in FIG. 3 with the elevators 19; 21 on. 4 shows a particularly advantageous arrangement of channels 27; 36; 37 for fastening the elevators 19; 21 shown.
  • On the forme cylinder 16 two channels 27 or channel openings 28 (openings 28) which are continuous over the effective length of the forme cylinder 16 and are 180 ° apart in the circumferential direction, and on the transfer cylinder 17 two channels which are each continuous over half the effective length and 180 ° to one another in the circumferential direction offset channels 36; 37 or channel openings 38; 39 (openings 38; 39).
  • the channels 27; 36; 37 are only shown in the form of a slit in FIG. 4 for inserting elevator ends, but can, as explained in more detail below, open inside to accommodate a corresponding clamping and / or tensioning device.
  • Fig. 4 this is a form and a transfer cylinder 16; 17 having printing unit 13 for printing a variable web width is shown schematically together with a fold structure 11 described below and two web widths.
  • a web 03J with a first width b1 for printing with a first printing page format F1 and in a second operating mode a web 03.2 with a second width b2 for printing with a smaller, second printing page format F2 can be printed, and wherein the transfer cylinder 17 a width in the axial direction of at least six newspaper page widths of the larger print page format F1, and has two printing blankets side by side on its circumference in the axial direction, each of which has a width in the axial direction of three newspaper page widths of at least the smaller format F2, e.g. B. print page format F2 - but better of the larger format F1, z. B. Print page format F1 - have.
  • a page number of newspaper pages viewed in the axial direction is, for. B. in the first mode (newspaper printing, F1) and the second mode (newspaper printing, F2) is the same. It is preferably six pages of the corresponding format F1; F2.
  • the larger width b1 is suitable for printing six newspaper pages arranged next to one another in the first format F1 and is, for. B. at 1,800 to 2,500, advantageously at 1,900 to 2,400 mm, in particular at 1,900 to 2,200 mm.
  • the smaller width b2 is suitable for printing six newspaper pages arranged side by side in the second format F2 and is, for. B. at 1,750 to 2,100, advantageously at 1,750 to 2,050 mm, preferably between 1,850 mm and 1,950 mm, but with b1> b2.
  • the possible widths for newspaper printing are not to be applied to the two mentioned, but to any width or format in between. I.e. in principle, all webs 03 of various widths (or corresponding newspaper formats) are variable, which z. B. from 1,750 mm to 2,400 mm, at least from 1,850 and 2,200 mm.
  • An imaginary printing machine central axis M is also indicated in FIGS. 3 and 4.
  • the two elevators 21 are arranged symmetrically with respect to this printing machine center axis M.
  • the train 03.1; 03.2 passes through the printing units 13 regardless of the width b1; b2 symmetrical to this printing machine central axis M.
  • the forme cylinder 16 of the printing unit 13 carries z. B. one in the axial direction over at least three newspaper page widths of the current relevant format F1; F2-reaching printing form 19 "(see below). This is then provided, for example, side by side with printed images of three newspaper pages or a printed image corresponding to a total of three newspaper pages, in particular exposed. There is also the funnel tip of a middle of three folding formers 41; 42; 43 des Hopper structure 11 in this printing machine central axis M (see below).
  • Fig. 5 shows schematically the situation for a wide web 03.1 (Fig. 5a) and a narrow web 03.2 (Fig. 5b), the main cutting lines S1 and S2 for the two different product widths (web widths) are also shown.
  • Main cutting lines are understood here to mean the longitudinal cuts which the web 03 separates in an alignment between two adjacent former hoppers 41; 42; 43, so that the partial webs formed can only be guided over the adjacent former hoppers 41; 42; 43.
  • F41; F42; F43 designated fold planes, which the symmetry planes of the respective former 41; 42; 43 and in which, if appropriately designed, the funnel tips lie.
  • a distance A1 between the fold planes F41 and F42 and a distance A2 between the fold planes F42 and F43 depend on the width b1; b2 of the course 03.1; 03.2 and / or the current print page format F1; F2 and / or the type of Assignment with printed images (symmetrical / asymmetrical) varies.
  • These varying distances A1; A2 by moving the outer former 41; 43 reached, the middle former 42 remaining stationary.
  • Subsection lines S4; S5 could, for example, in addition to the above-mentioned main cutting lines S1; S2 may be provided in the folding plane F41, the folding plane F42 and / or the folding plane F43, in which case, in the case of the secondary cut, a multi-layer product, loosely superimposed on the back, is cut open at the back (see tabloid production Fig. 13 to 16 and special format with Plow Palatinate Fig. 17 and 18).
  • the transfer cylinder 17 is equipped in the axial direction side by side with two elevators 21 of the larger format which are three pages wide.
  • these two elevators 21 can each extend over the full circumference and either align with their ends (joints in the channel openings 38; 39) or be offset from one another by 180 ° in the circumferential direction (see above).
  • two elevators 21 can be arranged one behind the other in the circumferential direction, in which case the ends of the two elevators 21 which are each arranged next to one another are aligned with one another.
  • 6 and 7 is a preferred variant for the assignment of the transfer cylinder 17 - namely two elevators 21 - each shown over the full circumference - shown in dashed lines.
  • 8, 9 and 10 show the three-sided design in the axial direction, but the design in the circumferential direction is left open and can be one of the above-mentioned variants.
  • Fig. 6 shows the assignment of the forme cylinder 16 with printing forms 19; 19 'in the operating mode or mode in which it has print images of the larger print page format F1.
  • the web width corresponds to the larger width b1.
  • All (here twelve) printing forms 19 designed as individual printing forms 19 can be arranged.
  • combinations of individual printing forms 19 and panoramic printing forms 19 '(exemplarily shown at the bottom right in FIG. 6) can also be present.
  • the latter have a width of several - z.
  • B. two or even three - individual printing forms 19 and either carry a multi-page wide print image (panorama print page) or several single or multi-page wide print images of the first (larger) print page format F1.
  • panorama printing form 19 '(19 ") can have individual or panorama printing images.
  • the distances A1 and A2 in FIG. 6 each correspond to twice the width b19 of an individual printing form 19 or twice the printing page width bF1 of the larger format F1 or the width b19 'of a panorama printing form 19' or printed image of the larger format F1.
  • the printing forms 19; 19 '; 19 are preferably designed as planographic printing forms for offset printing.
  • FIG. 7 shows the assignment of the forme cylinder 16 with printing formes 19 "in the operating mode or mode in which it has print images of the smaller print page format F2.
  • the web width corresponds to the smaller width b2.
  • advantageous embodiments each arranged symmetrically to the printing machine center axis M two panorama printing forms 19 ", each of which has a width of several - e.g. B. two, in particular three - not shown, theoretically required individual printing forms of the smaller format F2 and either as in FIG. 7, several - here three - each one print page-wide print images of the second (smaller) print page format F2 or as in FIG. 8 each carry a print page wide print page and print page wide print page.
  • FIG. 7 is equipped with a double circumference (ie two newspaper pages on the circumference) with four, two printing formes 19 ′′ which are next to one another on the circumference and two in a row, such as three printing images of the smaller print page format F2
  • the printing forms 19 each have a printed image that is several pages wide and a printed page that is one page wide.
  • the distances A1 and A2 in FIGS. 7 and 8 each correspond to twice the width of a potential one , not shown single-page printing form or twice the printing page width bF2 of the smaller format F2.
  • the printing forms 19 "carrying the smaller printing page format F2 not only have the width of the three printing pages, but also extend to the end of the effective outer surface of the forme cylinder 16.
  • the two printing forms 19" arranged next to one another thus have a width corresponding to the maximum or the larger width b1 of the wider web 03.1. This enables a more uniform transport behavior over the entire effective length L16 of the forme cylinder 16, regardless of the web width just used, and / or reduces the risk of the corresponding elevator 21 running dry in the edge zones when using the narrower web 03.2.
  • the printing forms 19 "then carry the printed images asymmetrically to their width and are exposed asymmetrically during production, for example.
  • the non-printing edge area is 50 to 100 mm.
  • FIGS. 9 and 10 show the assignment of the forme cylinder 16 to printing form 19 "with three printing pages, which are provided asymmetrically with printing images.
  • Two printing images lying on a printing form 19" (eg format or printing page format F4 and F5) do not have an integer ratio of their width here; the section lines S1.x; S2.x are e.g. B. not symmetrical to the printing machine central axis M.
  • the distances A1 and A2 are z. B. different from each other.
  • the fold plane F41 falls; F42; F43 (here F42; F43) not with the center of the assigned partial web 03a; 03b; 03c (here 03b and 03c) together, so that the resulting longitudinally folded partial strand has unequal leg lengths.
  • FIG. 11 shows a web run of a production, with the longitudinally cut partial webs 03a; 03b; 03c; one or more webs 03 printed in a printing tower 01 or in a plurality of printing towers 01; 03 'run straight ahead (without turning) onto the three folding hoppers 41 to 43 arranged next to one another, folded lengthways there and finally fed to the folder 12.
  • the former 41 shown schematically in side view of FIG. 11; 42; 43 has an overall usable leg length which corresponds to at least one sixth of the width b1 of the wider (or widest) web 03.1 (b1 / 6).
  • a strand width is also indicated here, which results in production with the narrower width b2 to b2 / 6.
  • FIG. 12 shows a representation comparable to FIG. 11, wherein in addition to the three formers 41 to 43, a further form former 44 - in particular laterally to the other three - is arranged. At least one cut partial web 03a to 03c is turned out of the straight line in so-called “4-hopper production”, passed through this fourth former 44 and finally fed to the folder 12 in addition to the other strands.
  • the four former 41 to 44 point each have an overall usable leg length which corresponds to at least one sixth of the width b1 of the wider (or widest) web 03.1 (b1 / 6).
  • the printing press is in an operating mode for printing six standing printed pages arranged side by side, one as newspaper format F1; F2 trained format F1; F2 (on a suitably wide track 03.1; 03.2) and operated or operable in another mode of operation for printing four adjacent printed pages arranged side by side in a format F3 designed as tabloid format F3.
  • a first exemplary embodiment is given in FIGS. 13 and 14 and a second exemplary embodiment in FIGS. 15 and 16.
  • the fourth former 44 (as an additional former 44) of FIG. B. in a first embodiment of the above.
  • Variant a larger maximum width compared to the former 41 to 43, ie. H. a usable maximum leg length, which corresponds to significantly more than a sixth of the width b1 of the wider (or widest) web 03J (b1 / 6) - in particular at least 120% of the sixth of the width b1 of the wider web 03.1.
  • a production (format F3) shown in FIGS. 13 and 14 can optionally be carried out for a newspaper production (format F1; F2).
  • the - in particular six newspaper page width - forme cylinder 16 in the axial direction is again only equipped with two panorama printing forms 19 ", which, however, carry printed images of a tabloid format F3 (and not of a newspaper format).
  • the incoming web 03.3 here has a further one, from the first and second width b1; b2 different width b3
  • the printed images with their later product length (after transverse fold) lie in the axial direction of the forme cylinder 16 and correspond to a quarter of the width b3 of the web 03.3 (b3 / 4) (see FIG. 14).
  • the product width results essentially to a quarter of the circumference U FZ of the forme cylinder (U F z / 4) .
  • the width b3 is, for example, smaller than the other two widths b1; b2 and lies z. B. at 1,600 to 1,800 mm, preferably between 1,700 mm and 1,750 mm.
  • the printed web 03.3 is here along a main cutting line S3 of the tabloid format (preferably falls with de r printing machine center axis M together) cut longitudinally in the middle, both partial webs 03a; 03b are turned by 90 ° in each case via a turning bar 46 from the previous transport direction to a long side of the printing press, and three folding formers 41 to 43 are brought out of alignment , whereupon it either transversely to the printing press center axis M of an appropriately oriented former 44 or out - are fed after re redirecting to a further turning bar 46 by 90 ° echend oriented over the Unlock r former 44, the folding apparatus 12 - as illustrated.
  • the folding former 44 again has a larger maximum width than the folding former 41 to 43, ie a usable maximum leg length, which is clearly more than one sixth of the width b1 of the wider (or widest) web 03.1 (b1 / 6) - in particular at least 120% of the sixth of the width b1 corresponds to the wider web 03.1 -.
  • the tabloid product is completed by cross cutting, among other things.
  • the folding former 44 (tabloid format F3) or the group of folding former 41 to 43 (newspaper format F1 and / or F2) is thus used for the optional production of tabloid or newspaper products.
  • the additional folding former 44 is not arranged next to the machine level, next to the group of folding former 41 to 43, but within the machine alignment, in particular above or below this group.
  • This can be a single folding former 44 arranged in the path of the web 03 or, as shown, two such folding former 44 can preferably be arranged next to one another in the web path such that the two (half) partial webs 03a; 03b or the (half-funnel-wide) partial webs 03a1; each resulting from two further cuts along the secondary cutting lines S4 and S5; 03a2 (for example only for partial web 03a) run straight onto the former 44, ie do not necessarily have to be turned.
  • auxiliary cutting lines S4 and S5 can be produced in the above-mentioned mode of operation (tabloid) in an advantageous embodiment by the same knives (see below) as in the other mode of operation for the newspaper printing the main cutting lines S1 and S2, but correspondingly differently positioned axially.
  • the forme cylinder 16 is again equipped with the printing forms 19 "extending over the entire length, each of which has a narrow print image (format F6) in the area near the end face and in the middle area corresponding to FIG. 13 or 15 print images in a tabloid format, e.g.
  • format F6 narrow print image
  • the above-mentioned format F3 has the marginal areas with the narrow printed pages (format F6) which are folded in below in each case by a plow fold, not shown, before the narrower web 03.2 or 03.3 which has now been folded in the marginal area (originally eg web 03.1 or 03.2 of a width b1 or b2) is cut longitudinally, for example, along the main cutting line S3 of the tabloid format
  • the two partial webs 03a; 03b which have already been folded in the edge region are now merged either in the manner of the partial webs 03a and 03b from FIG common additional folding former 44 (not shown) or, as shown (FIG. 17), straight on to the group of two additional folding former 44 guided.
  • the above-mentioned preferably applies to the formation of the additional folding former 44.
  • the longitudinal section for producing the two partial webs 03a; 03b takes place here between the inside of the tabloid printing side and the narrower printing side (format F6) - thus not in the alignment of the printing machine central axis M and also not on the printed web 03 in the area of the joint of the two elevators 21 of the transfer cylinder 17.
  • This partial web 03a is now led to one of the two formers 44. This is done in one embodiment, as shown, by laterally displacing the partial web 03a via two turning bars, not shown, in such a way that either the unprinted area located between the two tabloid printed pages or the middle of the partial web is brought into alignment with the folding plane F44.
  • At least the relevant folding former 44 is designed to be movable transversely to the web running direction and positioned in such a way that this partial web 03a can be guided straight onto it.
  • the remaining partial web 03b contains, in addition to the printed images of the right printing forms 19 ", the narrow printing images (format F6) of the left printing forms 19" and experiences at least the impact of the two elevators 21 of the transfer cylinder 17 with a plow fold before they are applied to the other of the two formers 44 - especially straight ahead - is led.
  • the second partial web 03b preferably also has a plow fold in the outer area.
  • print images are in additional special formats F7; F8, which can optionally be arranged together or individually on the aforementioned printing forms 19 ".
  • the one special format F8 has a continuous two-tabloid print page long, and the other special format F7 even a three-tabloid print page long.
  • triple-width printing forms 19 ′′ can be arranged on the forme cylinder 16, which are then likewise provided, in particular illustrated, with printed images of three newspaper pages of the larger format F1
  • the forme cylinder 16 can carry two printing forms 19 ', 19' 'extending side by side in the axial direction over two newspaper page widths of the currently relevant format F1, F2
  • the forme cylinder 16 has, in the embodiment shown, a circumference of two printing pages of the larger newspaper format F1 arranged one behind the other and is covered in the circumferential direction one behind the other with two printing forms 19, 19 ', 19 ".
  • the ends of printing forms 19; 19', 19" which are axially aligned with one another are on the forme cylinder 16, preferably arranged in continuous channel openings 28.
  • the width b21 of the printing blankets 21 corresponds, for example, in both modes of operation to the number mentioned - here three - of the printing pages of the larger format F1.
  • the ends of the two printing blankets 21 are, for example, as shown in FIG in the two to each other in the circumferential direction, in particular by 180 ° Channel openings 38; 39 attached to the circumference of the transfer cylinder 17.
  • the two channel openings 38; In the embodiment shown, 39 each extend essentially over the width of a printing blanket 21 and not over the entire length of the transfer cylinder 17.
  • the two channel openings 38 each extend over a width corresponding to two printing blankets 21.
  • the width b21 of the triple-width printing blanket 21 is e.g. at 900 to 1,250 mm, in particular at 950 to 1,200 mm, preferably between 1,000 mm and 1,100 mm.
  • a width b19 "of the triple-width printing form 19" is also e.g. at 900 to 1,250 mm, in particular at 950 to 1,200 mm, preferably between 1,000 mm and 1,100 mm.
  • the two printing blankets 21 arranged side by side on the transfer cylinder 17 are aligned in the axial direction with respect to one another and their ends are arranged in a single channel opening 38 which extends over the length of the transfer cylinder 17.
  • the channel opening 28 and 38; 39 for receiving the printing form ends and / or the printing blanket ends in the area of the lateral surface preferably has a width in the circumferential direction of at most 5 mm, in particular of at most 3 mm.
  • the elevators 19; 21 on forme and transfer cylinder 16; 17 of the printing unit 13, as shown schematically in FIG. 19, are preferably designed as flexible plates, the elevator 21 designed as a rubber blanket 21 preferably having multi-layered printing blankets 21, e.g. B. as a so-called.
  • Metal printing blanket 21, with an on a dimensionally stable support plate 23 (z. B. metal plate) arranged elastic and / or compressible layer 22 (dashed) is executed (in Fig. 19 are the metal printing blanket 21st relevant reference numerals tied with dashes).
  • a plate-shaped printing form 19 or a carrier plate 23 for a rubber printing blanket usually consists of a flexible but otherwise dimensionally stable material, for. B.
  • a leading end 24 is, for example, bent at an acute angle ⁇ of 40 ° to 50 °, in particular 45 °, and a trailing end 26 at an angle ⁇ of 80 ° to 100 °, in particular 90 °. If in the circumferential direction of the cylinder 16; 17, in particular of the transfer cylinder 17, only a single elevator 21 is applied, the length I of the elevator 21 corresponds almost to the circumference of this cylinder 17.
  • the folded ends 24; 26 of the elevators 19; 21 now each in a on the circumference of the respective cylinder 16; 17 in the longitudinal direction axially parallel, slot-shaped opening 28; 38; 39 insertable, the ends 24; 26 can be held, for example, by their shape, friction or deformation. However, they can also be additionally fixable by means which can be actuated by spring force, by pressure medium or by a centrifugal force which is effective during operation.
  • the slot-shaped openings 28 for pressure plates 19 arranged side by side in the axial direction on the forme cylinder 16 are in one advantageous embodiment in each case in alignment, for. B. arranged as a continuous slot-shaped opening 28, while the openings 38; 39 for the two rubber blankets 21 arranged next to one another on the transfer cylinder 17 are not continuous, but are offset from one another in the circumferential direction by 180 °.
  • two channels 27 are provided in the forme cylinder 16, both channels 27 extending continuously in the axial direction of the cylinder 16 at least over the entire length of the six sections A to F in the bale (see FIG. 3). They are in the circumferential direction of the cylinder 16 z. B. offset from each other by 180 °. Below a lateral surface 30 inside the cylinder 16; (17) arranged, e.g. For example, as shown in FIG. 20, channels 27; (36; 37) have at least the length of the six sections A to F a narrow, slit-shaped opening 28; (38; 39) to the outer surface 30 of the cylinder 16; (17).
  • a slot width s28; (s38; s39) of the opening 28; (38; 39) on the forme cylinder 16; (17) in the circumferential direction is less than 5 mm and is preferably in the range from 1 mm to 3 mm.
  • the folded ends 24; 26 of the printing form 19; 21 can now be inserted into one of the openings 28, (38; 39) which are axially parallel on the circumference in the longitudinal direction and are, at least the trailing end 26, through one in the channel 27; (36; 37) arranged holding device 29, 31 fixable.
  • the holding device 29, 31 here has at least one clamping piece 29, for. B. clamping element 29 and a spring element 31 (Fig. 20).
  • the trailing suspension leg 26 (see FIG. 19) which is not shown at right angles and preferably comes on a wall of the opening 28 which is essentially complementary to the edge; (38; 39) to the system and is pressed there by the clamping piece 29 by a force exerted by the spring element 31 on the clamping piece 29.
  • the leading suspension leg 24 (not shown), which is bent at an acute angle (see FIG.
  • not only one clamping piece 29 is located in each channel 27 of the forme cylinder 16, but several clamping pieces 29 are arranged axially next to one another over the length of the sections A to F in the manner of segments, each with at least one spring element 31.
  • several, e.g. B. six, such clamping pieces 29 are arranged, wherein a one having can be arranged centrally between the clamping elements 29 of each section A to F, here between the third and fourth clamping element 29 of each section A to F.
  • the register stone or register pin is e.g. B. manually displaceable and adjustable in a groove of a base in the axial direction.
  • the register stone can also be actuated via an actuating device, for example an axially guided in a free cavity of the channel 27 or the fitting element.
  • an actuating device for example an axially guided in a free cavity of the channel 27 or the fitting element.
  • the adjusting means 32 is designed for the forme cylinder 16 in such a way that when actuated, the holding device (s) 29, 31, ie all the clamping pieces 29, are closed or released simultaneously over the length of the sections A to F. In the case of the transfer cylinder 17, this applies to holding device (s) 29, 31 of the respective area ABC or DEF.
  • the actuating means 32 is here for the forme cylinder 16 as extending at least over the length of the sections A to F, and for the transfer cylinder 17 as extending at least over the length of the sections ABZ or DEF in the channel 27; 36; 37 extending and actuatable with pressure medium reversibly deformable hollow body 32, z. B. executed as a hose 32. According to FIG. 20, this hose 32 cooperates with the clamping pieces 29 in the channel 27 arranged that it counteracts the self-locking spring elements 31, 31 closing spring elements 31 when actuated. It is then passed through the areas of any register elements that may be present.
  • a printing unit 02 or cylinders 16; 17 advantageous embodiment is at least two cylinders 16; 17, in particular two forme cylinders 16, at least one of the printing towers 01 each have a device for pressing an elevator 19; 21 to a cylinder 16; 17, in particular a printing form 19 assigned to the forme cylinder 16 (in the following pressing device).
  • This is e.g. B. advantageous if in two corresponding printing units 13 a fast, z. B. flying plate change should be made.
  • it is advantageous for a quick, safe and exact product change if such a pressing device is assigned to all forme cylinders 16 of a printing tower 01.
  • a corresponding pressing device has z. B. at least six pressing elements, for. B.
  • the rolling elements which on the elevators 19; 21 can be switched on or off individually for each section A to F. In this way, controlled and guided retraction or tensioning and / or detachment or removal of the elevator 19; 21 allows.
  • This also makes it possible to have an end 24; 26 of the elevator 19; 21 in the corresponding channel 27; 36; 37 or the opening 28; 38; 39 to move in or a released end 24; 26 or the partially released elevator 19; 21 hold down in a desired position.
  • the pressing device extends along the cylinder 16; 17 at least in the entire area of sections A to F, i. H. in the area of the bale effective for printing. It can thus be fixed on the lateral surface 30 of the cylinder 16 elevators 19 by at least one pressing element as needed, while one end 24; 26 of an elevator 19 or more elevators 19 is or are released, d. H. is not pressed at this time.
  • the embodiment of the pressing device described above is in particular also in connection with the embodiment described in FIG. 20 for all sections A to F reaching common adjusting means 32 is an advantage.
  • this constellation an individual or group-wise mounting, changing and / or removing is also possible for six printing formes 19 arranged next to one another on the forme cylinder 16, without an increased outlay in terms of actuating devices or operating means having to be carried out within the forme cylinder 16. This also considerably simplifies production, assembly and maintenance.
  • the cylinders 16; 17; 18 of the printing unit 02 is driven in such a way that the printing units 13 of the printing unit 02 can each be rotatably driven at least by a drive motor which is mechanically independent of the other printing units 13, both in the setup and in the production operation.
  • the satellite cylinder 18 can also be driven mechanically by a drive motor independently of the assigned printing units 13.
  • These drive motors are preferably controlled as regards their angular position electric motors, for. B. as asynchronous motors, synchronous motors or DC motors.
  • between the respective drive motor and the cylinder 16 to be driven; 17; 18 or pair of cylinders 16, 17; 18, 18 at least one gear, in particular at least one reduction gear (such as pinion, attachment and / or planetary gear).
  • the dampening unit 20, in particular as a spray dampening unit 20 has closing elements 48, so-called “shutters” in the edge regions of the possible transmission width, which can optionally be introduced into the spray path in the case of a narrower web 03.2; 03.3.
  • At least one edge region such a closing element 48 is provided, which essentially corresponds, for example, to a width of half the difference between the smaller and larger width b1; b2; b3 of the web 03.1; 03.2; 03.3, which is shown schematically in FIG two each between a spray source 49 and a roller 51 of the dampening unit 20 such closing elements 48 are provided for each edge area, which then together have a width of half the difference between the smaller and larger width b1; b2; b3 of the course 03J; 03.2; 03.3 have.
  • the spray source 49 can advantageously be designed as a spray bar 49 with spray nozzles or as a brush roller 49. In principle, however, other versions of the spray source are also conceivable.
  • inking unit 14 in particular as a zone inking unit 14, depending on the mode of operation or web to be printed 03.1; 03.2; 03.3 Farm eaters, not shown, of color zones in the peripheral area either either closed in principle or released for image-based control of the amount of color.
  • the arrangement and design of the group of at least three folding formers 41; 42; 43 as guiding and / or processing elements 41; 42; 43 in the fold structure 11 an important role in the formation of the printing press for different product formats.
  • the two outer (formers 41; 43) of the three formers 41; 42; 43 transversely to the direction of entry of the partial webs 03a; 03b; 03c movably arranged.
  • the middle former 42 can be arranged fixed to the frame, the former tip preferably lying in the central axis M of the printing press.
  • the formers 41; 42; 43 of this group transversely to the running direction of incoming webs or partial webs 03a; 03b; 03c offset from one another next to one another and viewed at least partially overlapping in the horizontal plane.
  • the two outer folding formers 41; 43 slightly offset in the vertical direction from the middle, but viewed in the horizontal plane, but arranged so as to overlap with the middle former 42, so that if necessary (narrow web 03.2 and corresponding narrow partial webs 03a; 03b; 03c) in its edge region near the middle former 42 seen in plan view can be brought into overlap with the latter.
  • the funnel noses are in vertical alignment with one another (shown in dash-dot lines), so that folded strands come to lie on one another.
  • the vertical offset is a maximum of half a funnel height h42.
  • the formers 41; 42; 43 in the respective edge areas movable (e.g. foldable) or removable extension elements 47, which in the case of the wide track 03J (and correspondingly wider partial tracks) in the operating position and in the case of the narrow track 03.2 (and correspondingly narrower partial tracks) from the effective area are removed.
  • the extensions 47 thus broaden the transport plane of the respective former 41; 42; 43, d. H. that level which is formed by the contact zones of the converging flanks with the web 03.
  • at least the middle of the former 42 has a width b42.1, while in the second operating position it has a width b42.2.
  • FIG. 13 shows the wide b41; b42; b43 the former 41; 42; 43 of the group shown without general and without the addition.
  • 5a and 5b show a possible result of a movement of the outer former 41; 43 shown in that they are shown further or closer to the middle spaced.
  • the width of the former 41; 42; 43 never that of the partial web 03a; 03b; 03c but is only to be understood symbolically in the figures.
  • the fixed width B42.1 which is designed for a fixed-format newspaper print, or the width B42.1, which is not reduced in the case of variable newspaper printing, at least of the middle, but possibly all three, formers 41; 42; 43, z. B. at 600 to 830 mm, advantageously 630 to 600 mm, in particular at 630 to 730 mm.
  • formers 41; 42; 43 of variable width lies the width B42.2 of at least the middle, but possibly all three, formers 41; 42; 43, e.g. B. at about 580 to about 700, advantageously at 580 to 680 mm, preferably between about 616 mm and 650 mm.
  • variable former 41; 42; 43 there is a selectable difference ⁇ , for example between 100 and 250 mm, in particular between 120 and 200 mm, the widths being selected correspondingly to one another from the value ranges specified above.
  • Half the measure applies to ⁇ / 2.
  • the effective width b-44 (maximum width in the upper former area) of the additional former 44 is preferably significantly larger than that of the (undiminished) folding former 41; 42; 43 of the funnel group.
  • the broad z. B. a factor of 1.05 to 1.4, in particular 1.1 to 1.3 may be greater than an unchangeable or the maximum width b41.1; b42.1; b43.1 the folding former 41; 42; 43 of the funnel group.
  • both additional funnels 44 can be designed with a variable width b44, in which case the above-mentioned. Relationships refer to the maximum width b44 of the additional funnel 44.
  • variable printing press has one or more of the guide and / or processing elements described below on the path of the web 03.1; 03.2; 03.3 through the printing press on:
  • support arms 52 are mounted on a swivel axis 54 to each end face of a roll 53 to be unwound, in such a way that they can move transversely to the printing machine center axis M, that regardless of the width b1; b2; b3 of the web 03.1 just used; 03.2; 03.3 the roller 53 can be positioned in such a way that the center plane m03 of the raised roller 53 coincides with the printing machine center axis M.
  • the support arms 52 which act here as guide and / or processing elements 52, can be positioned symmetrically and in opposite directions to one another transversely to the printing machine center axis M.
  • z. T. uses the same reference numerals if the assigned parts have the same functionality or even design.
  • guiding and / or processing tools here and below also cutting, web guiding, web drive and / or web guiding elements, such as. B. pressure rollers, turning bars, slitting knives and / or guide rollers understood.
  • a pulling group 56 consisting of pulling roller 57 and a plurality of pressure rollers 58, which can be optionally adjusted thereto, can be inserted in the feed mechanism 10.
  • B. rubber rollers can be provided (Fig. 25). These are grouped symmetrically to the printing machine central axis M in several (at least two) groups and switched in groups for the purpose of switching on and off. In the example, two groups of two and one group of three pressure rollers 58 are provided on each half of the pull roller 57 from the outside inwards. The starting is done, for example, pneumatically from a source, not shown, or electrically. Depending on the mode of operation, when printing on a wide web 03.1 all groups are now placed against the pull roller and when printing on a narrower web, outer groups remain.
  • the pull roller 57 is driven in rotation by a drive motor 59.
  • An odd number of pressure rollers 62 is preferably provided, z. B. the middle in the alignment of the printing machine central axis M is effective and fixed with respect to a direction transversely to the transport direction, while all the eccentric pressure rollers 62 are movable transversely to the transport direction and are thus adjustable to the web width.
  • the positioning can advantageously be carried out via at least one threaded spindle 63, which can preferably be driven by a drive motor 64. It can be provided for the pressure rollers 62 of each of the two sides of its own, several sections of different thread pitch having threaded spindle 63 or - as shown - a common threaded spindle 63 with several (here two each) different left and right hand threads of different pitches can be provided.
  • the pressure rollers 62 provided outside the printing machine central axis M are further out than during the printing of a narrower web 03.2; 03.3.
  • the scissor symbols indicate a longitudinal cutting device 06 (in front of the turning devices 07) or 65 (after the turning devices 07 but before the funnel inlet) which may follow the pull group 61.
  • the longitudinal cutting device 06; 65 again preferably has an odd number of guiding and / or processing elements 66 designed here as knives 66, which can be positioned symmetrically and transversely to the printing machine central axis M in opposite directions to one another.
  • the central guiding and / or processing element 66 is again effective in the alignment of the printing machine center axis M and fixedly arranged with respect to a direction transverse to the transport direction, while all off-center knives 66 are movable transversely to the transport direction and are thus designed to be adjustable to the web width.
  • the positioning is advantageously carried out as in FIG. 26 the pressure roller 62.
  • Counter knives 67 are preferably positioned together with the knives 66.
  • the knives 66 provided outside the printing machine center axis M are further out than during the printing of a narrower web 03.2; 03.3.
  • the middle knife remains stationary in the alignment of the printing machine center axis M.
  • FIGS. 29a and b show two possible configurations of the turning device 07, with two guiding and / or processing elements 68 designed as turning bars 68 transverse to an infeed direction of a partial web 03a; 03b; 03c are positioned.
  • 28a and b show parallel, 45 ° inclined turning bars 68 for the lateral displacement of a partial web 03a; 03b; 03c, while FIGS. 29a and b offset two turning bars 68 inclined to the infeed direction by 45 ° and 135 ° for the lateral and falling of a partial web 03a; 03b; 03c shows.
  • the positioning is again advantageously carried out via a threaded spindle as shown in FIG. 26 for the rollers 62.
  • 28a and 29a show their position during the printing of a wide web 03.1 and FIGS. 28b and 29b their position during the printing of a narrower web 03.2; 03.3.
  • FIG. 30a and b show an alternative concept for the variable printing press
  • the webs 03 or partial webs 03a; 03b; 03c are guided to the fold or former assembly 11 by 90 ° from the alignment of the printing machine center axis M.
  • Hopper assembly 11 and folder 12, not shown in FIG. 30, are offset by 90 ° to the printing press shown in FIG. 1.
  • three movable turning bars 69 are provided for deflecting, depending on the width b1; b2; b3 of the course 03.1; 03.2; 03.3 a position of the turning bars 69 can be found so that the partial webs 03a; 03b; 03c on three stationary folding formers 71; 72; 73 are feasible.
  • a funnel structure 11 with stationary funnels 71 to 73 can be used, the fixed width of which is in each case at least the width of the partial webs 03a; 03b; 03c corresponds.
  • FIG. 30a turning bars 69 with partial web width are provided for this purpose, and in FIG. 30b triple-width turning bars 69 (ie at least six newspaper printed page widths of the larger format F1) are provided.
  • FIG. 31 schematically shows the arrangement of two printing press sections, each with a plurality (here two) of printing towers 01 or printing units 02, by means of which, via a respective turning device 07 described in FIG. 30a or b, but only schematically indicated in FIG. 31, on a common hopper structure 11 is produced.
  • each hopper group shows a folding structure 11 in section.
  • two groups of essentially the same formers 41; 42; 43 be arranged one above the other, which are either slightly offset vertically (not shown) or are designed with extensions 47 (only indicated for the lower group).
  • hopper feed roller 76 or pull roller 76 driven by a motor 74.
  • the folder 12 of the printing press is designed for all of the above exemplary embodiments in an advantageous embodiment with seven fields.
  • the circumference of the transport cylinder 77 corresponds to more than five, in particular seven, section lengths or seven lengths of the signature (“seven-field transport cylinder 77”) B. Puncture strips with extendable puncture needles arranged (puncture folding apparatus)
  • the holding devices can also be designed as grippers (gripper folding apparatus)
  • seven cutting strips are arranged, which are preferably viewed slightly in the direction of rotation (eg 0.3 to 3 cm)
  • the position of the clamping point (gripper folder) or the puncture puncture (puncture folder) are spaced apart on the lateral surface of the transport cylinder 77.
  • the circumference of the jaw cylinder 78 also preferably corresponds to more than five, in particular seven Section lengths or seven lengths of the signature.
  • the transport cylinder 77 has an even spacing in the circumferential direction, e.g. B. as many folding flaps (not shown) as the number of folding knives and / or the holding devices on the transport cylinder 77, here in particular seven.
  • the folded products are transferred from the jaw cylinder 78 to a paddle wheel 79 and from there onto a delivery device 81, e.g. B. designed a conveyor belt 81.
  • a cutting cylinder 82 which acts together with the transport cylinder 77 as a cross-cutting device can double, i. H. two circumferential knives spaced apart by a section length, or also four times large, d. H. four knives spaced apart by a section length on the circumference.
  • the printing forms 19; 19 ' preferably cover the entire effective length L16 or the width b1 of the larger web 03J to be printed. If the printing unit 13 is not double-circumferential (two newspaper pages in the circumferential direction) but simple, this applies equally to four individual printing forms 19, two panorama printing forms 19 'or mixed.
  • the forme cylinder 16 now has print images of the smaller format F2.
  • the printing forms 19 "are again in the form of panorama printing forms 19", but with two printing pages of the smaller format F2, and yet they still extend essentially over the range of the possible printing length of the wider web 03.1, i.e. H. they have the same width as panorama printing forms 19 'of the larger format F1.
  • the printing forms 19 ′′ are again exposed asymmetrically, for example.
  • a funnel construction is also advantageous here, with a distance A1 of the folding planes F42; F43 being changeable in the manner mentioned above.
  • two printing blankets 21, for example are arranged side by side on the transfer cylinder 17, each of which has a width of two printing pages of a newspaper format F1; F2, in particular the larger newspaper format F1. These can then extend around the full circumference and their ends can be aligned with one another or alternately arranged on the transfer cylinder by 180 °.
  • a printing press section equipped essentially in the same way has, for example, two printing towers 01; 01 a, in an advantageous development at least one of these printing towers 01 in addition to the eight printing points of the satellite printing units 02 two further printing points, for. B. in the form of a six-cylinder printing unit 83 or two three-cylinder printing units 83 are assigned.
  • a printing tower 01 of a printing machine that is detached from the special printing machine according to FIG. 34 in combination with one or more of the above-mentioned features.
  • a printing tower 01a which has been expanded in this way, either two webs 03 can then be printed in one color on one side and in one color on the other side, or else one web 03 can be printed in four colors on both sides and a second web 03 in one color on both sides.
  • the printing press is designed in a multi-storey manner in such a way that the printing towers or the respectively lower printing units 02 and the reel changer 05 are not arranged on the same system level.
  • the printing towers 01 are arranged in a plane T above the plane G carrying the roll changers 05.
  • the former are arranged, for example, on a so-called “table”, in particular a concrete table.
  • the printing press of FIG. 34 here has three such printing press sections, with webs 03 being able to be transferred from distant printing towers 01 of the adjacent printing press section, but lying in front of the next folding assembly 11, as marked by * for example. Each of these from four printing towers 01; 01a and a fold structure 11 existing sections are such.
  • turning towers with three, four or five turning devices 07 can be provided.
  • a folder 12 (here F1, F2, F3) is arranged downstream of each folder structure 11. 34 also shows a selection of advantageous production options and products. The designation is explained on the basis of the gray production for the web guide shown in line 3:
  • Products are alternately created on the strand and alternately discharged into two product streams.
  • On the first folder 12 from the left (F1) for example, first four webs printed in 4/4 printing are printed from the right side, two webs 1/4 and 4/1 printed on the outside left in the printing tower and one 4/4 in the adjacent printing tower printed web led.
  • the product has 84 pages, of which 72 are printed in four colors (and the rest in one color) (84/72). The same applies here to the product produced on the other folder (F3).
  • the remaining nine rows of the table should be read in the same way.
  • B. in line 6 on two folders (F1 and F3) each from 6 webs (w) a 72 page (p.) Strong, 60 four-color page product and on a folder (here F2) a 24- soapy product,
  • the offset printing units 13 are at least one of the printing units 02 of a printing tower 11 (e.g., however, all printing units 02; 83 of a printing tower, but advantageously all printing units 02; 83 of an entire printing press section, but in particular all printing units 02; 83 of the printing press ) equipped with three-sided printing forms 19 "and / or three-sided elevators 21 in the embodiment described above or designed to be equipped.
  • the folding structures 11 have z. B. at least one former level, but advantageously two superimposed former levels with the three adjacent folding formers 41 to 43 (z. B. from Fig. 4 to 16).
  • One or more of these fold structures 11 can advantageously additionally have a lateral additional funnel 44 as shown in FIGS. 12 to 14 (or, if appropriate, an additional funnel level.
  • Fig. 35 shows a ground level printing press, i. H. Reel changer 05 and printing towers 01; 01a are at essentially the same level E, e.g. B. a ground floor level E.
  • This can result in advantages in terms of construction costs (no basement or a lower height of a building 86 that houses the pressure towers 01; 01 a, for example a hall 86) is required.
  • the building 86 can then be made considerably lower (as indicated in FIG. 35).
  • an additional folding former 44 can be arranged laterally to the group of three former in the illustrated folding structure 11. This can be the case for one of the two or both of the formerly illustrated former levels if these again each have three former formers 41; 42; 43 have side by side.
  • This additional former can be the same width as the other three former, however, as stated in FIG. 13, also have a larger width. It is then also possible to run seven product strands (eg so-called "books”) over a total of seven funnels (two times three plus additional funnels) and - if the additional funnel has a larger funnel width - optionally a product of greater width on the additional funnel.
  • the two funnel levels can also be designed in the manner shown in FIG. 16 (one level three funnels, the other level two wider funnels).
  • An embodiment can be optional, with two “normal” funnel levels with three 32 are arranged next to one another as shown in FIG. 32, and two additional folding hoppers 44 are arranged above them in an overlying plane (indicated here by dashed lines) in the manner of the two upper folding hoppers 44 from FIG. 16.
  • One or more of the printing towers 01 can have additional printing units 83.
  • the web feed from the reel changer 05 takes place from the long side of the machine, ie at a 90 "angle to the printing machine center plane M.
  • the printing press is preferably also constructed here on the ground floor, ie reel changer 05 and printing towers 01; 01a
  • the reel changer (s) 05 is or are located to the side of the machine, the axis of rotation of the material or paper reels running essentially parallel to the printing machine center axis M. After unwinding, the web runs across the machine The height of the machine alignment is now on a deflection element 84, for example a guide element 84 in the manner of a turning bar 84, so that its direction of movement thereafter lies in the printing machine center plane M.
  • the guide element 84 has a length which is projected onto the incoming web at least corresponds to their maximum width, which is preferably 45 ° to the Direction of the incoming web and inclined to the machine center plane M. In this case it has a length, the projection of which on the incoming web corresponds to at least six adjacent newspaper pages.
  • the usable length of the turning bar 84 corresponds to at least 1.4 times the maximum web width to be processed in the printing press, that is to say here at least 1.4 times a web width six newspaper page widths or here at least 8.5 newspaper page widths.
  • two turning bars crossed with respect to one another can also be provided, which then allow the deflection in one direction and also in the other direction.
  • the two crossed turning bars 84 can then either be loaded with this track either by a reel changer 05, or, as shown, can be acted on simultaneously by two reel changers 05 lying in the same alignment.
  • an infeed mechanism which adjusts the web tension may be provided before the turning bar 84, but advantageously between the turning bar 84 and entry into the printing tower 01.
  • the lateral arrangement of the roll changers 05 can again be considered in isolation, but can also develop a particular advantage in connection with one or more of the above-mentioned advantageous features.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Rotary Presses (AREA)

Abstract

L'invention concerne une forme d'impression (19'') destinée à être utilisée dans une unité d'impression d'une machine d'impression, ladite forme d'impression (19'') étant réalisée sous forme panoramique (19''), et étant porteuse d'images imprimées côte à côte, d'un nombre n (avec n > 1) de pages imprimées d'un format déterminé (F1, F2). La forme d'impression (19'') présente une largeur qui correspond sensiblement à un nombre n = 3 pages imprimées verticales format journal (F1, F2) et est porteuse d'images imprimées côte à côte de n = 3 pages, format journal (F1, F2).
EP05744815A 2004-05-04 2005-04-29 Presse rotative d'impression avec une unite d'impression comprenant un cylindre de plaques pour l'impression d'une triple largeur au moins Not-in-force EP1742794B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08150699A EP1908588B1 (fr) 2004-05-04 2005-04-29 Machine d'impression rotative avec une unité d'impression comprenant un cylindre de plaques

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102004022231 2004-05-04
DE102004030062 2004-06-23
DE102004033920A DE102004033920B4 (de) 2004-05-04 2004-07-14 Druckform einer Druckmaschine und Rollenrotationsdruckmaschine
US63142104P 2004-11-30 2004-11-30
PCT/EP2005/051965 WO2005105445A1 (fr) 2004-05-04 2005-04-29 Formes d'impression d'une machine d'impression, et presse rotative a imprimer

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP08150699A Division EP1908588B1 (fr) 2004-05-04 2005-04-29 Machine d'impression rotative avec une unité d'impression comprenant un cylindre de plaques
EP08150699A Division-Into EP1908588B1 (fr) 2004-05-04 2005-04-29 Machine d'impression rotative avec une unité d'impression comprenant un cylindre de plaques

Publications (2)

Publication Number Publication Date
EP1742794A1 true EP1742794A1 (fr) 2007-01-17
EP1742794B1 EP1742794B1 (fr) 2012-09-05

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EP05744815A Not-in-force EP1742794B1 (fr) 2004-05-04 2005-04-29 Presse rotative d'impression avec une unite d'impression comprenant un cylindre de plaques pour l'impression d'une triple largeur au moins

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US (1) US7707934B2 (fr)
EP (1) EP1742794B1 (fr)
DE (1) DE102004033920B4 (fr)
WO (1) WO2005105445A1 (fr)

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Also Published As

Publication number Publication date
WO2005105445A1 (fr) 2005-11-10
DE102004033920B4 (de) 2006-11-02
US20080028965A1 (en) 2008-02-07
DE102004033920A1 (de) 2005-12-01
US7707934B2 (en) 2010-05-04
EP1742794B1 (fr) 2012-09-05

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