EP0486841A1 - Cylindre d'impression avec diamètres multiples - Google Patents

Cylindre d'impression avec diamètres multiples Download PDF

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Publication number
EP0486841A1
EP0486841A1 EP91118273A EP91118273A EP0486841A1 EP 0486841 A1 EP0486841 A1 EP 0486841A1 EP 91118273 A EP91118273 A EP 91118273A EP 91118273 A EP91118273 A EP 91118273A EP 0486841 A1 EP0486841 A1 EP 0486841A1
Authority
EP
European Patent Office
Prior art keywords
printing cylinder
sheet
foils
printing
cylinder according
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
EP91118273A
Other languages
German (de)
English (en)
Other versions
EP0486841B1 (fr
Inventor
Arno Wirz
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0486841A1 publication Critical patent/EP0486841A1/fr
Application granted granted Critical
Publication of EP0486841B1 publication Critical patent/EP0486841B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B41F13/18—Impression cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F22/00—Means preventing smudging of machine parts or printed articles
    • 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
    • B41N7/00—Shells for rollers of printing machines

Definitions

  • the invention relates to printing cylinders with multiple diameters and elevators arranged on the lateral surface for carrying a sheet on its already printed side for sheet-fed offset printing machines for perfecting.
  • Double-size printing cylinders with a chrome-plated and ground outer surface are known. Due to the accumulating form errors of the two halves of the ground cylinder, duplication phenomena and the redistribution of the already printed ink in the reverse printing easily occur during operation, so that the printing cylinder has to be washed more frequently and the environmentally harmful solvent consumption increases. This leads to a negative influence on quality.
  • the invention solves this problem by the training features according to claim 1.
  • a number of foils with different thicknesses and possibly different shapes are assigned to the printing cylinder for selection, so that the runout errors or the sum of the shape errors of the two halves of the printing cylinder of a double-sized printing cylinder are compensated for by the selection of a suitable foil.
  • films can be ground non-parallel by shifting the center of the grinding device so that the surfaces of the film run non-parallel to one another in the circumferential direction, in order to achieve a difference in thickness between the front edge and the rear edge of the film in the direction of sheet travel.
  • Such foils are assigned to the printing cylinder in stages, for example sorted in three stages of 0.01 mm each.
  • the printing cylinder can be brought into a new condition at any time by changing the film by changing the foil. The same applies to damage during production.
  • the exact grinding of the back of the film appropriate techniques are already mastered by relevant companies. The same applies to corresponding measuring devices with which the entire format can be detected, so that the pre-sorting of the foils with it can be done.
  • films for purposes of the invention can also be produced from a carrier layer with a high modulus of elasticity and a chrome layer, which gives the structured surface from which the sheet is carried.
  • these foils can also have a non-parallel course of the surfaces to one another according to the illustration in FIG. 2, so that the front edge 7 has, for example, a greater thickness than the rear edge 8.
  • a non-parallel course of the surfaces 9 and 10 relative to one another can also lead to a difference in thickness between the drive side and the operator side.
  • FIG. 3 shows the fundamentally simplified structure of a device for processing a film intended for the purpose according to the invention. It consists of a grinding cylinder 1, which is mounted rotatably about an axis 2 in a frame 3 and has clamping means for a film 4 to be processed on its outer circumference. A driven grinding wheel 5 is effective against this film 4, the axis 6 of which is aligned parallel to the axis 2. To achieve a non-parallel surface profile on the film 4 in the circumferential direction, the axis 2 of the bearing of the grinding cylinder 1 is displaced in the direction 2a along the axis 6 of the grinding wheel 5 in the common plane of the two axes 2 and 6.
  • the parallel position of the two axes 2 and 6 can optionally be changed at an angle to one another in order to achieve different thicknesses of the film on the drive side and on the operator side, for example in the case of conically ground cylinders.
  • the film itself can consist, in a manner known per se, of a carrier layer and of a cover layer which has the structured surface in order to avoid the accumulation and build-up of color in the counterprint.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Pens And Brushes (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Rolls And Other Rotary Bodies (AREA)
EP91118273A 1990-11-14 1991-10-26 Cylindre d'impression avec diamètres multiples Expired - Lifetime EP0486841B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4036252 1990-11-14
DE4036252A DE4036252C1 (fr) 1990-11-14 1990-11-14

Publications (2)

Publication Number Publication Date
EP0486841A1 true EP0486841A1 (fr) 1992-05-27
EP0486841B1 EP0486841B1 (fr) 1994-06-29

Family

ID=6418247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91118273A Expired - Lifetime EP0486841B1 (fr) 1990-11-14 1991-10-26 Cylindre d'impression avec diamètres multiples

Country Status (7)

Country Link
EP (1) EP0486841B1 (fr)
JP (1) JPH0785929B2 (fr)
CN (1) CN1025304C (fr)
AT (1) ATE107892T1 (fr)
CA (1) CA2052715C (fr)
DE (2) DE4036252C1 (fr)
HK (1) HK20995A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0588091A1 (fr) * 1992-09-12 1994-03-23 Heidelberger Druckmaschinen Aktiengesellschaft Blanchet de revêtement pour un cylindre de contre-pression d'une rotative offset recto-verso à feuilles

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1514683B1 (fr) 2003-09-09 2013-06-05 Koenig & Bauer Aktiengesellschaft Procédé pour faire fonctionner une machine à imprimer
EP2296889B1 (fr) * 2008-06-16 2015-04-01 Humaneyes Technologies Ltd. Dispositif et procédé de traitement d un substrat d impression lenticulaire
DE102010010142B4 (de) 2009-03-26 2022-03-17 Heidelberger Druckmaschinen Ag Bogenführungselement und Verfahren zur Herstellung eines Bogenführungselementes

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820549A1 (de) * 1977-06-24 1979-01-04 Von Roll Ag Metallische bogenfuehrungsfolie
DE3023246A1 (de) * 1979-07-02 1981-01-08 Polygraph Leipzig Ein- oder mehrschichtiger mantel fuer bogenfuehrende zylinder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2446188C3 (de) * 1974-09-27 1983-11-24 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Bogenführende Mantelfläche von Gegendruckzylindern oder Bogenüberführungszylindern in Rotationsoffsetdruckmaschinen
DE2916505A1 (de) * 1979-04-24 1980-10-30 Heidelberger Druckmasch Ag Bogenfuehrende folie als aufzug fuer gegendruckzylinder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820549A1 (de) * 1977-06-24 1979-01-04 Von Roll Ag Metallische bogenfuehrungsfolie
DE3023246A1 (de) * 1979-07-02 1981-01-08 Polygraph Leipzig Ein- oder mehrschichtiger mantel fuer bogenfuehrende zylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0588091A1 (fr) * 1992-09-12 1994-03-23 Heidelberger Druckmaschinen Aktiengesellschaft Blanchet de revêtement pour un cylindre de contre-pression d'une rotative offset recto-verso à feuilles

Also Published As

Publication number Publication date
EP0486841B1 (fr) 1994-06-29
ATE107892T1 (de) 1994-07-15
DE4036252C1 (fr) 1992-01-02
CA2052715A1 (fr) 1992-05-15
DE59102074D1 (de) 1994-08-04
JPH0785929B2 (ja) 1995-09-20
JPH04269544A (ja) 1992-09-25
CA2052715C (fr) 1996-03-26
CN1025304C (zh) 1994-07-06
HK20995A (en) 1995-02-24
CN1061375A (zh) 1992-05-27

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