EP0878248A2 - Basisträgerhülse für Rotationsdruckmaschinen - Google Patents
Basisträgerhülse für Rotationsdruckmaschinen Download PDFInfo
- Publication number
- EP0878248A2 EP0878248A2 EP98103114A EP98103114A EP0878248A2 EP 0878248 A2 EP0878248 A2 EP 0878248A2 EP 98103114 A EP98103114 A EP 98103114A EP 98103114 A EP98103114 A EP 98103114A EP 0878248 A2 EP0878248 A2 EP 0878248A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- sleeve
- shaped body
- body according
- strip material
- 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.)
- Withdrawn
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/12—Making tubes or metal hoses with helically arranged seams
- B21C37/123—Making tubes or metal hoses with helically arranged seams of coated strip material; Making multi-wall tubes
-
- 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
Definitions
- the invention relates to a base support sleeve for rotary printing machines, which, for example in gravure printing, serves as a carrier for the elastic impression cover, the clichés that can be stuck on in flexographic printing and the elastic ones in offset printing Covers as exchangeable transfer carrier sleeves.
- the sleeve comprises a carrier sleeve Plastic, which can be carbon fiber reinforced or from a metallic tube can consist of aluminum, for example.
- the wall thickness depends on the material between 0.2 and 3.0 mm.
- a lithographic printing press has become known from EP 0 421 145 A1 which is a tubular rubber blanket with a gap-free outer surface, is removably attached to a blanket cylinder.
- the base layer in the tubular rubber blanket disclosed in EP 0 421 145 A1 consists of nickel.
- the nickel sleeve as a base support sleeve for elastic Coatings are made by electroplating.
- An exactly in the The required master cylinder is placed in a galvanic nickel bath immersed so that the nickel separates from the electrolyte.
- the Nickel layer is deposited on the carrier cylinder.
- the thin nickel skin forms the entire geometry of the cylinder surface, so that the accuracy of the Cylinder base can be adopted in the nickel sleeve.
- the galvanic Manufacturing process is very polluting, time consuming and has a lot high power requirements. Since it is common according to today's manufacturing processes, the The material experiences the fact that it rolls off the nickel skin from the master cylinder using a roller consequently a strong deformation and extension. This procedure affects the Dimensional accuracy very negative.
- the nickel sleeves manufactured in the galvanic process have a wall thickness between 0.1 to 0.3 mm and are therefore very sensitive to kinking, which the Handling makes it very sensitive.
- An increase in wall thickness in the The deposition process made the nickel sleeves considerably more expensive and would also make them Make pulling off the master cylinder even more difficult.
- Offset printing molds are known from DE 41 40 768 C2 and DE 43 15 996 C1 become, in which the mutually facing edges of the hollow cylindrical shape curved plate are connected to each other by means of a weld seam.
- the welding process should be carried out in such a way that a weld seam is formed the top and bottom have a concave shape.
- Acceptable cylindricity is not an option for full-size bending of sheet metal to reach.
- a subsequent calibration of the Indispensable sleeve to achieve dimensional and shape accuracy are extremely high and are extremely difficult dominate.
- the solution according to the invention results in an extremely high retention rate thin wall thickness for base support sleeves an enormous improvement in stiffness of these pods.
- the narrow band material used - a very thin metal foil - is very temperature-resistant; in addition, the narrow used Band material quite inexpensive and allows inexpensive production of the Base carrier sleeves in an industrially automatable manufacturing process.
- the Utilization of the sandwich construction for the base carrier sleeves results in less Mass of the base carrier sleeves for excellent strength and Rigidity properties that benefit the graphics industry.
- the wound first layer can be a functional layer, such as a compressible pressure elevator similar to a rubber blanket, or a further layer of narrow strip material.
- the adhesive layer has the task to ensure the tightness of the sleeve and the adhesion of the layers maintain each other.
- the further layer can be relative to the first layer of the narrow strip material be arranged that this is the slope of the first layer but one to the first Location has different bandwidth.
- the further location of the narrow strip material with an opposite to the first slope Be applied to the first layer of the narrow strip material can be relative to the first layer of the narrow strip material.
- the narrow strip material is preferably a temperature-resistant thin one Metal foil that is between 10 and 100 mm, but preferably 40 mm wide.
- the thin metal tape can be selected in thicknesses between 0.05 mm and 0.15 mm, which guarantees easy processability.
- the winding angle at which the The first layer and the at least one further layer are applied in this way chosen that a bandwidth of the narrow strip material per winding revolution is wound up.
- the thickness of the adhesive layer is preferably in the range between 0.01 and 0.1 mm.
- the adhesive layer of the base carrier sleeve according to the invention prevents a relative movement between the first layer and the at least another layer of narrow strip material; the adhesive layer is at Elongation of the base carrier sleeve only under shear.
- Fig. 1 shows a mandrel provided with air holes for a base support sleeve according to the invention.
- the mandrel 1 rotates about its axis 9 and is accommodated in pins 5 on both sides.
- Air holes 4 provided, with the help of an air cushion under the Base support sleeve is built up.
- the inside diameter of the base carrier sleeve becomes determined by the mandrel diameter 3.
- Fig. 2 is a supply of the narrow strip material 6 - an extremely thinly rolled one Metal foil - shown.
- the strip material 6 has the width 7 between 10 and 100 mm, preferably about 40 mm.
- the thickness of the strip material 6 is approximately at 0.05 mm.
- Fig. 3 shows the arrangement of the first layer of narrow strip material Base support sleeve.
- the narrow band material 6 is wound around the mandrel 1 in such a way that a first layer 10 of the base support sleeve is formed.
- the narrow band material 6 is - diagonally oriented around the winding angle ⁇ - so that the individual First layer windings without gaps and without overlap lie together.
- the respective edges 21, 22 of the narrow strip material 6 form joints 13 at which they meet.
- the first layer of the Accordingly, the base support sleeve according to the invention consists of a through the Surface of a mandrel supported first layer of material 10, which is light is oriented diagonally and extends over the entire width 2 of the mandrel 1. Of the The outer diameter of the first layer 10 of the thin strip material 6 is with Item number 11 designated.
- the sleeve insert strip created per winding revolution forms with the Edges 21 of the preceding strip of narrow strip material 6 Butt joints 13. At these butt joints 13 are the edges 21, 22 of the narrow one Band material 6 to each other without forming a gap between them or themselves to overlap each. If there were joints at joint 13, that would be Stiffness of the base carrier sleeve not given. This could also be used for assembly and dismantling necessary air cushions only with difficulty or not at all. A The narrow strip material 6 would overlap at the respective joints 13 destroy the required accuracy of the base carrier sleeve.
- Fig. 4 the base support sleeve is shown in a state in which the first Layer 10 of the narrow strip material 6 is another layer 14 of the narrow one Tape material 6 is applied.
- the first layer 10 of the narrow strip material 6 which is the basis that The base layer of the base support sleeve forms, with a first winding angle ⁇ oriented perpendicular to the normal 25 on the axis 9. Form the edges 21, 22 each joint 13 with each other. Via an adhesive layer 18, which, however, in 4 is not shown, another layer 14 of the narrow strip material 6 upset.
- the at least one further layer 14 of the narrow strip material 6 is by a winding angle ⁇ - opposite to the winding direction of the first layer 10 - oriented.
- the at least one further layer 14 with the slope 12 of the first Layer 10 opposite slope 16 also has joints 15 at the the edges 21, 22 of the narrow strip material 6 abut each other.
- Adhesive layer 18 causes additional stiffening of the base support sleeve (see also Fig. 6). However, the adhesive layer 18 is not shown in FIG. 4.
- the Butt joints 13 and 15 of the respective layers 10 and 14 overlap one another crosswise depending on the pitch angle ⁇ .
- the representation according to FIG. 3 4 shows the normal 25 to the axis 9; by the angle ⁇ to this oriented obliquely, the first layer 10 of the narrow strip material 6 is applied.
- the narrow strip material 6 is preferably an extremely thinly rolled metal foil the thickness of only a few hundredths of a millimeter; the width 7 of the narrow Tape material 6 can be between 10 and 100 mm, for example 40 mm, what allows good processability.
- a band of the same width can be used to illustrate the simplest case layer underneath can be wound offset by half the width.
- the subsequently wound further layer 14 of the narrow Band material 6 is offset here, for example, by half the width from the first Layer 10 applied.
- the joints 15 resulting during winding are not located over the joints 13 of the first layer 10 but in each case by half one Web width offset. This significantly improves the kink resistance a sleeve according to the invention.
- the base support sleeve 27 consists of a first one Layer 10, as already shown in Fig. 3. At the joints 13 of the first layer the edges 21, 22 of the narrow strip material 6 abut one another without joints to form and without overlapping each other. The accuracy of the training the joints 13 prejudges the later accuracy of the base support sleeve 27 and enables rotation when mounting on the respective printing unit cylinder Construction of the air cushion required for assembly and disassembly. Over the first Layer 10 of narrow strip material 6 shows an adhesive layer 18.
- Adhesive layer 18 has both the function of shifting the individual Layers 10 and 14 to avoid relative to each other, as well as for sealing the to provide individual joints 13 of the first layer 10.
- the adhesive layer 18 is like this Made as thin as possible, in the range between 0.07 mm to occur Absorb shear forces or shear stresses.
- Another layer of the narrow layer is located above the adhesive layer 18 Tape material 6 recognizable.
- This at least one further layer 14 is according to FIG 4 with one of the slopes 12 of the first layer 10 opposite slope 16 applied. By the opposite Incline 16 overlap the joints 15 of the at least one further layer 14 the joints 13 of the first layer 10.
- the first layer 10, the adhesive layer 18 and the at least one further layer 14 form a sandwich structure 20 in FIG Base support sleeve 27 as a composite material.
- a third layer 26 - include.
- the third layer 26 is in turn by means of an adhesive layer 18 of thickness 19 applied to the further layer 14.
- the joints 23 of the narrow strip material 6 of the third layer 26 arranged that they are not over the joints 15 of the further layer 14. This can, for example, by changing the width 7 of the narrow Band material 6 or by changing the winding angle ⁇ so the Winding pitch can be achieved.
- the following band is compared the respective previous layer with the same bandwidth of all layers 10, 14 or 26, wound around a part of the bandwidth 7 offset.
- the offset depends on the Number of layers. Depending on the number of layers, the offset is two Layers 10, 14 each half, with three-layer winding 10, 14 and 26 each Third of the bandwidth 7.
- the respective layers 10, 14 and 26 with three layers Wrapping winding offset by part of web width 7 has the advantage that the joints do not cross axially from one layer to another, which affects the surface the sleeves significantly improved their roundness.
- Fig. 7 shows a bidirectionally wound base support sleeve 27, for example receives an elastic cover 28, as required for the offset printing process becomes.
- the structure of the elastic cover and its layer sequence are not Subject of the present invention.
- the layer 7 shows the layer sequence of the base carrier sleeve 27 that is not to scale recognizable.
- the first layer 10 of the narrow strip material 6 is under training of joints 13 below the further layer 14.
- the adhesive layer 18 which compared to the narrow strip material 6 by a much smaller amount E-module has. Therefore, the adhesive layer 18 affects the elongation of the first one and the at least one further layer 10 or 14 is not.
- this since three Layers 10, 14, 18 arranged in a sandwich construction 20 one above the other are, this has an improvement in the rigidity of the base support sleeve 27 significant impact.
- the base support sleeve 27 with an air cushion are applied to the assembly or disassembly from mandrel 1 or from printing unit cylinder 1 to enable.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Plates And Materials Therefor (AREA)
- Laminated Bodies (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Abstract
Description
- Fig. 1
- ein mit Luftbohrungen versehenen Wickeldorn für eine erfindungsgemäße Basisträgerhülse,
- Fig. 2
- einen Vorrat des extrem schmalen Bandmaterials,
- Fig. 3
- eine gewickelte erste Lage aus schmalem Bandmaterial mit einer ersten Steigung,
- Fig. 4
- eine, eine erste Lage aus schmalem Bandmaterial überdeckende, weitere Lage aus schmalem Bandmaterial,
- Fig. 5
- ein gleich breites Band als weitere Lage über einer darunter liegenden Lage, um die Hälfte der Breite versetzt gewickelt,
- Fig. 6
- ein Querschnitt durch den Sandwich-Aufbau einer auf einem Wickeldorn befindlichen Basisträgerhülse und
- Fig. 7
- eine erfindungsgemäße Basisträgerhülse.
- 1
- Dorn
- 2
- Breite
- 3
- Dorndurchmesser
- 4
- Luftbohrung
- 5
- Zapfen
- 6
- schmales Bandmaterial
- 7
- Bandbreite
- 8
- Bandstärke
- 9
- Achse des Dorns
- 10
- erste Lage
- 11
- Außendurchmesser der ersten Lage
- 12
- erste Steigung
- 13
- Stoßstellen
- 14
- weitere Lage
- 15
- Stoßstellen
- 16
- entgegengesetzte Steigung
- 17
- Dornoberfläche
- 18
- klebende Schicht
- 19
- Klebstoffschichtdicke
- 20
- Sandwich-Aufbau
- 21
- Kante des Bandmaterials
- 22
- Kante des Bandmaterials
- 23
- Stoßstelle
- 24
- Wickelwinkel α
- 25
- Normale zur Zylinderachse
- 26
- dritte Lage
- 27
- Basishülse
Claims (18)
- Hülsenförmiger Körper der auf einen zylindrischen Trägerkörper aufgebracht und von diesem wieder entfernt werden kann,
dadurch gekennzeichnet,
daß eine erste Lage (10) aus einem gewickelten schmalen Bandmaterial (6) mit einer ersten Steigung (12) von einem weiteren Material überdeckt ist. - Hülsenförmiger Körper gemäß Anspruch 1,
dadurch gekennzeichnet,
daß das weitere Material, Stoßstellen (13) der ersten Lage (10) überdeckend, aufgebracht ist. - Hülsenförmiger Körper gemäß Anspruch 1,
dadurch gekennzeichnet,
daß das weitere Material eine weitere Lage (14) eines schmalen Bandmaterials (6) ist, welches Stoßstellen (13) der ersten Lage (10) überlappend, aufgebracht ist. - Hülsenförmiger Körper gemäß Anspruch 1,
dadurch gekennzeichnet,
daß zwischen der ersten Lage (10) und der weiteren Lage (14) des schmalen Bandmaterials (6) eine klebende Schicht (18) vorgesehen ist. - Hülsenförmiger Körper gemäß Anspruch 4,
dadurch gekennzeichnet,
daß als klebende Schicht (18) anerobe Kleber vorgesehen sind. - Hülsenförmiger Körper gemäß Anspruch 4,
dadurch gekennzeichnet,
daß als klebende Schicht (18) Sandwich bildenden Epoxid-Systeme vorgesehen sind. - Hülsenförmiger Körper gemäß Anspruch 3,
dadurch gekennzeichnet,
daß die weitere Lage (14) des schmalen Bandmaterials (6) mit der ersten Steigung (12) jedoch unterschiedlicher Bandbreite (7) des schmalen Bandmaterials (6) gewickelt ist. - Hülsenförmiger Körper gemäß Anspruch 3,
dadurch gekennzeichnet,
daß die weitere Lage (14) des schmalen Bandmaterials (6) mit zur ersten Steigung (12) entgegengesetzter Steigung (16) auf die erste Lage (10) des schmalen Bandmaterials (6) gewickelt wird. - Hülsenförmiger Körper gemäß Anspruch 3,
dadurch gekennzeichnet,
daß die jeweils nachfolgende Lage (14, 26) des schmalen Bandmaterials (6) gegenüber der jeweiligen vorherigen Lage (10, 14) bei gleicher Bandbreite (7) aller Lagen (10, 14, 26) um den Teil der Bandbreite (7) versetzt gewickelt wird, der dem Kehrwert der Lagenzahl entspricht. - Hülsenförmiger Körper gemäß Anspruch 1,
dadurch gekennzeichnet,
daß das Bandmaterial (6) temperaturbeständige dünne Metallfolie ist. - Hülsenförmiger Körper gemäß Anspruch 1,
dadurch gekennzeichnet,
daß das Bandmaterial (6) zwischen 10 und 100 mm, vorzugsweise 40 mm breit ist. - Hülsenförmiger Körper gemäß Anspruch 1,
dadurch gekennzeichnet,
daß das Bandmaterial (6) vorzugsweise eine Stärke zwischen 0,05 bis 0,2 mm aufweist. - Hülsenförmiger Körper gemäß Anspruch 1,
dadurch gekennzeichnet,
daß der Wickelwinkel α des schmalen Bandmaterials (6) so gewählt ist, daß pro Wickelumdrehung ein Vorschub um die Bandbreite (7) des schmalen Bandmaterials (6) erfolgt. - Hülsenförmiger Körper gemäß Anspruch 1,
dadurch gekennzeichnet,
daß die erste Lage (10) des bandförmigen Materials (6) und gegebenenfalls weitere Lagen (14, 26) überlappungs- und fugenfrei gewickelt sind. - Hülsenförmiger Körper gemäß Anspruch 1,
dadurch gekennzeichnet,
daß durch die Anordnung einer klebenden Schicht (18) zwischen der ersten Lage (10) und einer weiteren Lage (14) des schmalen Bandmaterials (6) eine Sandwich-Bauweise (20) entsteht, womit die belasteten Zonen der Basisträgerhülse radial nach außen verschoben sind. - Hülsenförmiger Körper gemäß Anspruch 4,
dadurch gekennzeichnet,
daß die klebende Schicht (18) aufgrund ihres, im Vergleich zum schmalen Bandmaterial (6), geringeren E-Moduls die radiale Distanz der Lagen (10, 14, 26) im Sandwich-Aufbau (20) bestimmt. - Hülsenförmiger Körper gemäß Anspruch 4,
dadurch gekennzeichnet,
daß die Klebstoffschichtdicke (19) vorzugsweise zwischen 0,01 und 0,1 mm liegt. - Hülsenförmiger Körper gemäß Anspruch 4,
dadurch gekennzeichnet,
daß die Klebstoffschichten (18) eine Relativbewegung zwischen der ersten Lage (10) und der mindestens einen weiteren Lage (14) von schmalem Bandmaterial (6) verhindern.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19720551A DE19720551A1 (de) | 1997-05-16 | 1997-05-16 | Basisträgerhülse für Rotationsdruckmaschinen |
DE19720551 | 1997-05-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0878248A2 true EP0878248A2 (de) | 1998-11-18 |
EP0878248A3 EP0878248A3 (de) | 2001-05-30 |
Family
ID=7829646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98103114A Withdrawn EP0878248A3 (de) | 1997-05-16 | 1998-02-23 | Basisträgerhülse für Rotationsdruckmaschinen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5974973A (de) |
EP (1) | EP0878248A3 (de) |
JP (1) | JPH10323970A (de) |
DE (1) | DE19720551A1 (de) |
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US6615721B1 (en) * | 2000-11-20 | 2003-09-09 | Heidelberger Druckmaschinen Ag | Method and device for manufacturing a tubular lithographic printing blanket |
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1997
- 1997-05-16 DE DE19720551A patent/DE19720551A1/de not_active Withdrawn
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1998
- 1998-02-23 EP EP98103114A patent/EP0878248A3/de not_active Withdrawn
- 1998-05-01 US US09/071,517 patent/US5974973A/en not_active Expired - Lifetime
- 1998-05-14 JP JP10131794A patent/JPH10323970A/ja active Pending
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108620448A (zh) * | 2018-04-20 | 2018-10-09 | 中国石油集团渤海石油装备制造有限公司 | 一种大直径、高强度螺旋焊管制造方法 |
CN108620448B (zh) * | 2018-04-20 | 2021-02-09 | 中国石油集团渤海石油装备制造有限公司 | 一种大直径、高强度螺旋焊管制造方法 |
Also Published As
Publication number | Publication date |
---|---|
DE19720551A1 (de) | 1998-11-19 |
US5974973A (en) | 1999-11-02 |
JPH10323970A (ja) | 1998-12-08 |
EP0878248A3 (de) | 2001-05-30 |
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