EP0860273A2 - Disposition des cylindres pour une presse rotative - Google Patents

Disposition des cylindres pour une presse rotative Download PDF

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Publication number
EP0860273A2
EP0860273A2 EP98810066A EP98810066A EP0860273A2 EP 0860273 A2 EP0860273 A2 EP 0860273A2 EP 98810066 A EP98810066 A EP 98810066A EP 98810066 A EP98810066 A EP 98810066A EP 0860273 A2 EP0860273 A2 EP 0860273A2
Authority
EP
European Patent Office
Prior art keywords
cylinders
cylinder
pressure
impression
web
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
EP98810066A
Other languages
German (de)
English (en)
Other versions
EP0860273A3 (fr
EP0860273B1 (fr
Inventor
Andres Miescher
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.)
Wifag Maschinenfabrik AG
Original Assignee
Wifag Maschinenfabrik 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8036190&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0860273(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wifag Maschinenfabrik AG filed Critical Wifag Maschinenfabrik AG
Publication of EP0860273A2 publication Critical patent/EP0860273A2/fr
Publication of EP0860273A3 publication Critical patent/EP0860273A3/fr
Application granted granted Critical
Publication of EP0860273B1 publication Critical patent/EP0860273B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F7/00Rotary lithographic machines
    • B41F7/02Rotary lithographic machines for offset printing
    • B41F7/10Rotary 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/70Driving devices associated with particular installations or situations
    • B41P2213/73Driving devices for multicolour presses
    • B41P2213/734Driving devices for multicolour presses each printing unit being driven by its own electric motor, i.e. electric shaft

Definitions

  • the invention relates to a cylinder unit for a web-fed rotary printing press.
  • the invention has set itself the task. the flexibility of a cylinder unit in Increase in relation to the formation of printing gaps for a web to be printed.
  • the invention is based on a cylinder unit whose cylinder is H-shaped Cylinder bridge with four colors on a web transferring cylinders and two central ones Impression cylinders for these four ink transfer cylinders. Two of the four Ink transfer cylinders of the H-cylinder bridge are each in a print-on position to one common impression cylinder swiveling.
  • two of the four ink transfer cylinders are from a print-on position to their respective central impression cylinder in a print-on position reversible to each other.
  • the other two ink transfer cylinders are ready spaced from each other that between them a web to be printed is unimpeded run in and run out again after wrapping both impression cylinders.
  • the figure shows an H-shaped cylinder unit of a web-fed rotary printing press.
  • the cylinder unit has four cylinders 1, 2, 3 and 4, which transfer color to a web B 1 and / or B 2 .
  • These four ink transfer cylinders 1 to 4 each form a printing nip and a total of four printing nips with two central impression cylinders 5 and 6.
  • the four ink transfer cylinders 1 to 4 are blanket cylinders, while the central impression cylinders 5 and 6 are designed as steel cylinders.
  • a plate cylinder 8 is assigned to each of the four ink transfer cylinders 1 to 4 in a manner known per se.
  • the cylinder unit shown is generally referred to as a 10-cylinder unit.
  • the arrangement of the ink transfer cylinders 1 to 4 and their plate cylinder 8 is symmetrical to an imaginary perpendicular to the connecting line of the axes of rotation of the two central impression cylinders 5 and 6.
  • the arrangement of the ink transfer cylinders 1 to 4 is however not symmetrical with respect to this connecting line between the Axes of rotation of the two impression cylinders 5 and 6.
  • the clear distance between the two ink transfer cylinders 2 and 3 is so large that a web B 1 runs through the space between these two cylinders.
  • two deflection rollers 11 and 12 are arranged, around which the web B 1 is deflected before and after the two impression cylinders 5 and 6 are looped around.
  • the upper ink transfer cylinders 1 and 4 in the exemplary embodiment are also each in a print-on position against their impression cylinder 5 or 6.
  • the web B 1 is four-sided printed in the cylinder position shown.
  • the advantage of the cylinder arrangement according to the invention in this position of the ink transfer cylinders 1 to 4 is that none of the four printing cylinders 1 to 4 is wrapped in the web B 1 .
  • the web B 1 wraps around the two impression cylinders 5 and 6 and extends tangentially to each of the four ink transfer cylinders 1 to 4.
  • Each of these four ink transfer cylinders 1 to 4 can therefore even with web B 1 running, ie during production, in the exemplary embodiment a 4.0 -Production, can be taken out of production by swiveling its respective impression cylinder 5 or 6. In the opposite case, this also applies to swiveling.
  • the two upper ink transfer cylinders 1 and 4 in the exemplary embodiment are spaced so closely to one another that they move from their print-on position against their respective counter-pressure cylinders 5 and 6 into one Pressure-on position to one another can be reversed by swiveling counter-pressure cylinders 5 and 6 and swiveling towards one another.
  • the latter, alternative print-on position of the two ink transfer cylinders 1 and 4 is shown in the figure in dashed lines. In this alternative print-on position, the two ink transfer cylinders are designated 1 'and 4'. In position 1 '/ 4', for example.
  • a second B 2 can be printed on both sides in one color by the two ink transfer cylinders 1 and 4. A two-lane production is thus indicated in the figure.
  • the web B 1 is printed in two colors on one side by the two ink transfer cylinders 2 and 3, while the web B 2 is printed on both sides by the two ink transfer cylinders 1 and 4, in each case in one color.
  • the arrangement according to the invention is not only particularly flexible with regard to the feasible alternative production options, but also builds special space-saving.
  • the symmetrical both with respect to the connecting line between the axes of rotation of the two Impression cylinders 5 and 6 as well as with respect to the perpendicular to this Connection line is due to the non-symmetrical arrangement according to the invention Construction height saved by the flat top V-bridge of the two ink transfer cylinders 1 and 4 and their plate cylinder 8. Because of the closer distance between the two upper ink transfer cylinder builds the upper V-bridge flatter than the same width the lower N-bridge of the 10-cylinder unit.
  • wrap-free web guide - wrap-free also in relation to the two tighter spaced ink transfer cylinder - obtained. Because of the loop-free Web guiding is the pivoting in and out of ink transfer cylinders ongoing production is simplified because the swiveling in and out of cylinders does not close Path vibrations that would be intolerable in terms of production quality. In particular, by swiveling in and out, i.e. by remodeling Pressure gaps or pressure points did not change the path of the web.
  • a preferred drive concept is also shown in the figure. Between Ink transfer cylinders 1 to 4 and the impression cylinders 5 and 6 with each other there is no positive drive connection.
  • the cylinders 1 to 6 protrude at most the web or via bearer rings in friction connection.
  • Each of cylinders 1 through 6 is through own motor 7 driven.
  • the power transmission takes place from each of the motors 7 via a gear 9, preferably a toothed belt, directly to the cylinder 1 to 6.
  • the downstream plate cylinders 8 are form-fitting with their respective ink transfer cylinders 1 to 4 coupled to the common drive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Screen Printers (AREA)
  • Paper (AREA)
EP98810066A 1997-02-19 1998-01-30 Disposition des cylindres pour une presse rotative Expired - Lifetime EP0860273B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29702923U 1997-02-19
DE29702923U DE29702923U1 (de) 1997-02-19 1997-02-19 Zylindereinheit für eine Rollenrotationsdruckmaschine

Publications (3)

Publication Number Publication Date
EP0860273A2 true EP0860273A2 (fr) 1998-08-26
EP0860273A3 EP0860273A3 (fr) 1999-03-10
EP0860273B1 EP0860273B1 (fr) 2001-11-28

Family

ID=8036190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98810066A Expired - Lifetime EP0860273B1 (fr) 1997-02-19 1998-01-30 Disposition des cylindres pour une presse rotative

Country Status (6)

Country Link
US (1) US5970871A (fr)
EP (1) EP0860273B1 (fr)
JP (1) JP2836049B2 (fr)
AT (1) ATE209567T1 (fr)
DE (2) DE29702923U1 (fr)
ES (1) ES2168735T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29702923U1 (de) * 1997-02-19 1997-03-27 Maschinenfabrik Wifag, Bern Zylindereinheit für eine Rollenrotationsdruckmaschine
DE19860540A1 (de) * 1998-12-30 2000-07-20 Koenig & Bauer Ag Mehrfarben-Rollenrotationsdruckmaschine
DE10027441A1 (de) * 2000-06-02 2001-12-06 Roland Man Druckmasch Verfahren und Vorrichtung zur Verhinderung von Maschinenschäden
CH697884B1 (de) * 2004-07-13 2009-03-13 Manroland Ag Rollenrotationsdruckeinheit.
DE102005017179A1 (de) * 2005-04-13 2006-10-19 Man Roland Druckmaschinen Ag Druckeinheit einer Rollenrotationsdruckmaschine
DE102008000184B4 (de) * 2008-01-30 2011-02-24 Koenig & Bauer Aktiengesellschaft Verfahren zur Verringerung bzw. Vermeidung von Abwickelfehlern an Rotationsdruckmaschinen

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329086A (en) * 1966-06-14 1967-07-04 Miehle Goss Dexter Inc Perfecting or multicolor offset printing press
DE2422696C2 (de) * 1974-05-10 1982-12-09 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg Druckwerk für ein- oder beidseitigen Druck mit mindestens vier Zylindern
SE426153B (sv) * 1979-01-22 1982-12-13 Wifag Maschf Drivanordning for en valsrotations offsettryckmaskin
US4798137A (en) * 1979-04-20 1989-01-17 Publishers Equipment Corporation Conversion of letterpress to offset printing
JPS55158969A (en) * 1979-05-26 1980-12-10 Tokyo Kikai Seisakusho:Kk Multipurpose offset printing press
JPS56111669A (en) * 1980-02-06 1981-09-03 Tokyo Kikai Seisakusho:Kk Printing mode switching device in blanket drum of offset rotary printing press
DE3048840C1 (de) * 1980-12-23 1983-03-10 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Drehrichtungsumkehrbarer Antrieb fuer eine Rollen-Rotationsdruckmaschine mit einem Zehnzylinder-Druckwerk
DE3614029C1 (de) * 1986-04-25 1987-04-02 Roland Man Druckmasch Rollenrotations-Offsetdruckmaschine mit einem Druckwerk fuer fliegenden Plattenwechsel
DE3702071C1 (de) * 1987-01-24 1988-07-14 Roland Man Druckmasch Fuer filegenden Plattenwechsel geeignete Druckeinheit
ATE524311T1 (de) * 1993-12-29 2011-09-15 Wifag Maschf Ag Rotationsdruckmaschine
DE29702923U1 (de) * 1997-02-19 1997-03-27 Maschinenfabrik Wifag, Bern Zylindereinheit für eine Rollenrotationsdruckmaschine

Also Published As

Publication number Publication date
ATE209567T1 (de) 2001-12-15
DE59802193D1 (de) 2002-01-10
ES2168735T3 (es) 2002-06-16
EP0860273A3 (fr) 1999-03-10
DE29702923U1 (de) 1997-03-27
JPH10235828A (ja) 1998-09-08
JP2836049B2 (ja) 1998-12-14
US5970871A (en) 1999-10-26
EP0860273B1 (fr) 2001-11-28

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