EP1184172A2 - Gummituchzylinder in einer Offset-Rotationsdruckmaschine - Google Patents
Gummituchzylinder in einer Offset-Rotationsdruckmaschine Download PDFInfo
- Publication number
- EP1184172A2 EP1184172A2 EP01119806A EP01119806A EP1184172A2 EP 1184172 A2 EP1184172 A2 EP 1184172A2 EP 01119806 A EP01119806 A EP 01119806A EP 01119806 A EP01119806 A EP 01119806A EP 1184172 A2 EP1184172 A2 EP 1184172A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- rubber
- blanket
- printing machine
- offset 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
Links
Images
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
- B41F13/193—Transfer cylinders; Offset cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F30/00—Devices for attaching coverings or make-ready devices; Guiding devices for coverings
- B41F30/04—Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching to transfer cylinders
Definitions
- the invention relates to an offset rotary printing press with the print image from a plate cylinder on the Rubber cylinder transferring printing material, the surface of which is covered with a rubber blanket.
- the Adequate color in the contact zones of the cylinders Compression stress required. This is generated in that the elastic rubber blanket of the rubber cylinder in every contact zone is indented by a small amount. By this indentation will also vary in thickness Plate, the blanket and the printing material as well as production technology compensated for inaccuracies.
- There the cylinder surface of the plate cylinder, the blanket cylinder and the impression cylinder from a channel for receiving is interrupted by clamping or gripping devices the compressive stress during the printing operation at each Channel passage removed and rebuilt.
- the hereby Periodic loads and reliefs lead to Excitation of vibrations in the printing press that are adversely affect the print quality and in Horizontal stripes.
- the invention has for its object the print quality to improve in a printing press of the type mentioned and in particular the appearance of vibration characteristics to eliminate in the printed image.
- this object is achieved in that the The contact surface on which the rubber blanket rests is screened is. Surprisingly, it was found that a such screening the print quality can be significantly improved can and the appearance of development strips or other vibration characteristics is eliminated. This is going on attributed that the grid the deformation behavior of the blanket in radial and because of the better Adhesion influenced in the tangential direction and thereby counteracts vibration-related quality losses.
- the grid contact surface can either immediately be formed by the outer surface of the rubber cylinder. Another advantageous option is between a pad in the rubber cylinder and the rubber blanket To provide a film, the facing the blanket Surface of the film is provided with a grid. Both metal and plastic films come as films into consideration.
- the thickness of the base is preferably 0.5 to 1.0 mm. The use has proven to be particularly advantageous a screened, customary in flexographic printing Cliché film made of elastic photopolymer material as Document proved.
- the rubber cylinder 1 consists of a steel manufactured cylindrical roller, one along the Has circumferential surface extending axially parallel channel 2.
- a base 3 stretched out from a cliché film made from photopolymer material consists.
- the outer surface of the pad 3 is rasterized.
- the rubber blanket 4 is over the base 3 curious; excited.
- the device for tensioning the base 3 and of the blanket 4 are in the channel 2, they are however, not shown for reasons of simplification.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Plates And Materials Therefor (AREA)
- Paper (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims (5)
- Offset-Rotationsdruckmaschine mit einem das Druckbild von einem Plattenzylinder auf den Bedruckstoff übertragenden Gummizylinder, dessen Oberfläche mit einem Gummituch bespannt ist, dadurch gekennzeichnet, daß die Anlagefläche, auf der das Gummituch (4) aufliegt, gerastert ist.
- Offset-Rotationsdruckmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Mantelfläche des Gummizylinders (1) die gerastere Anlagefläche für das Gummituch (4) bildet.
- Offset-Rotationsdruckmaschine nach Anspruch 1, dadurch gekennzeichnet, daß zwischen dem Gummizylinder (1) und dem Gummituch (4) eine Unterlage (3) in Form einer Folie vorgesehen ist und daß die dem Gummituch (4) zugekehrte Oberfläche der Folie gerastert ist.
- Offset-Rotationsdruckmaschine nach Anspruch 3, dadurch gekennzeichnet, daß die Dicke der Unterlage (3) 0,5 bis 1,0 mm beträgt.
- Offset-Rotationsdruckmaschine nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, daß die Unterlage (3) eine im Flexodruckverfahren übliche Klischeefolie aus Photopolymermaterial ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10042277 | 2000-08-29 | ||
DE10042277A DE10042277A1 (de) | 2000-08-29 | 2000-08-29 | Offset-Rotationsdruckmaschine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1184172A2 true EP1184172A2 (de) | 2002-03-06 |
EP1184172A3 EP1184172A3 (de) | 2003-02-12 |
EP1184172B1 EP1184172B1 (de) | 2006-03-01 |
Family
ID=7654093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01119806A Expired - Lifetime EP1184172B1 (de) | 2000-08-29 | 2001-08-16 | Gummituchzylinder in einer Offset-Rotationsdruckmaschine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1184172B1 (de) |
AT (1) | ATE318708T1 (de) |
DE (2) | DE10042277A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101608910B (zh) * | 2009-07-30 | 2010-12-29 | 河南省中原内配股份有限公司 | 一种检测气缸套内孔珩磨网纹夹角的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3608286A1 (de) * | 1985-04-03 | 1986-10-09 | Winfried 7758 Meersburg Heinzel | Verfahren zur oberflaechenbehandlung eines druckmaschinenzylinders, druckmaschinenzylinder sowie verwendung derselben |
US6000336A (en) * | 1998-02-04 | 1999-12-14 | Heidelberger Druckmaschinen Aktiengesellschaft | Applicator cylinder with sleeve having recesses therein to receive grippers in a sheet-fed press |
-
2000
- 2000-08-29 DE DE10042277A patent/DE10042277A1/de not_active Withdrawn
-
2001
- 2001-08-16 EP EP01119806A patent/EP1184172B1/de not_active Expired - Lifetime
- 2001-08-16 AT AT01119806T patent/ATE318708T1/de active
- 2001-08-16 DE DE50109040T patent/DE50109040D1/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3608286A1 (de) * | 1985-04-03 | 1986-10-09 | Winfried 7758 Meersburg Heinzel | Verfahren zur oberflaechenbehandlung eines druckmaschinenzylinders, druckmaschinenzylinder sowie verwendung derselben |
US6000336A (en) * | 1998-02-04 | 1999-12-14 | Heidelberger Druckmaschinen Aktiengesellschaft | Applicator cylinder with sleeve having recesses therein to receive grippers in a sheet-fed press |
Also Published As
Publication number | Publication date |
---|---|
DE50109040D1 (de) | 2006-04-27 |
EP1184172A3 (de) | 2003-02-12 |
DE10042277A1 (de) | 2002-03-14 |
ATE318708T1 (de) | 2006-03-15 |
EP1184172B1 (de) | 2006-03-01 |
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