WO2004039534A2 - Procede de production de corps rotatifs et corps rotatifs d'une presse a imprimer - Google Patents

Procede de production de corps rotatifs et corps rotatifs d'une presse a imprimer Download PDF

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Publication number
WO2004039534A2
WO2004039534A2 PCT/DE2003/003526 DE0303526W WO2004039534A2 WO 2004039534 A2 WO2004039534 A2 WO 2004039534A2 DE 0303526 W DE0303526 W DE 0303526W WO 2004039534 A2 WO2004039534 A2 WO 2004039534A2
Authority
WO
WIPO (PCT)
Prior art keywords
cover
rotary
base body
flow channel
outer body
Prior art date
Application number
PCT/DE2003/003526
Other languages
German (de)
English (en)
Other versions
WO2004039534A3 (fr
Inventor
Karl Robert SCHÄFER
Wolfgang Robert Josef Felgenhauer
Original Assignee
Koenig & Bauer Aktiengesellschaft
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 & Bauer Aktiengesellschaft filed Critical Koenig & Bauer Aktiengesellschaft
Priority to AU2003283194A priority Critical patent/AU2003283194A1/en
Priority to DE50309498T priority patent/DE50309498D1/de
Priority to EP03775071A priority patent/EP1569798B1/fr
Publication of WO2004039534A2 publication Critical patent/WO2004039534A2/fr
Publication of WO2004039534A3 publication Critical patent/WO2004039534A3/fr

Links

Classifications

    • 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
    • B41N6/00—Mounting boards; Sleeves Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising
    • 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
    • B41F13/22—Means for cooling or heating forme or impression cylinders
    • 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
    • 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
    • B41N2207/00—Location or type of the layers in shells for rollers of printing machines
    • B41N2207/02—Top layers
    • 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
    • B41N2207/00—Location or type of the layers in shells for rollers of printing machines
    • B41N2207/04—Intermediate layers

Definitions

  • the invention relates to methods for producing rotary bodies and a rotary body of a printing press according to the preamble of claim 1, 5 or 14.
  • DE 4338467 C1 discloses a method for producing a sleeve-shaped printing form, in which a plate-shaped, metallic raw form of the printing form is cut to length by means of a laser beam and plate edges forming the beginning and the end of the printing form are welded to one another without overlap by means of the laser beam.
  • WO 01/26902 A1 discloses a cylinder of a rotary printing press, the cylinder having a tubular or solid base body with at least one helical channel on its surface and an outer body surrounding the base body with a circular cross-section, the outer body covering the channel by shrinking on is applied to the base body and a tempering agent for tempering the outer surface of the cylinder flows through the channel.
  • the invention has for its object to provide methods for producing rotary bodies and a rotary body of a printing press.
  • the object is achieved by the features of claim 1, 5 or 14.
  • the advantages that can be achieved with the invention are, in particular, that an expensive deep-hole drilling is not required to form a flow channel in the rotating body, which has a particularly favorable effect in the production of a rotating body of great axial length.
  • the flow channels formed in a separate component are applied as an outer body to the base body and covered by a cover which forms the outer surface of the rotary body.
  • the contours of the flow channels z. B. can be formed inexpensively in the outer body by a laser-assisted cutting process.
  • the advantageous position of the flow channels enables efficient temperature control.
  • the preferred electron beam welding process or laser welding process for connecting the outer body and cover to the main body allows the main body to be heated in a locally very narrow welding zone, as a result of which the main body remains tension-free and free of distortion despite the supply of heat. It is also advantageous that a base body made of a more corrosive, more unstable material by welding a z. B. plate-shaped cover made of a more corrosive resistant material can be protected against corrosion. In the same way, the outer surface of the rotating body can also be made more wear-resistant.
  • FIG. 1 shows a profile body introduced into the bale of the rotary body with a tensioning channel running in it;
  • Fig. 2 shows a rotating body with a welded into the bale
  • Fig. 3 shows a rotating body with a welded into the bale
  • Fig. 4 shows a rotating body with one applied to the bale
  • FIG. 5 shows a rotary body with a cover applied to the bale and with flow channels formed in the bale in addition to the tensioning channel;
  • the rotary body 01 is configured, for example, as a forme cylinder 01 or as a transfer cylinder 01 of a printing unit, this cylinder 01 can be z. B. an elevator 03 or two elevators 03 and axially, ie its length with z. B. up to six elevators 03.
  • the elevators 03 are mostly designed as plate-shaped printing forms 03.
  • the elevators 03 are preferably rubber printing blankets 03 each applied to a carrier plate.
  • the printing unit in which the cylinder 01 described above is used can, for. B. be designed as a 9-cylinder satellite printing unit, in which four pairs each consisting of a forme cylinder 01 and a transfer cylinder 01 are arranged around a common impression cylinder, z. B. at least the forme cylinder 01 can each have the features of the solution proposed here. Arrangements in which a forme cylinder 01 is in its axial direction, ie. H. next to one another with up to six plate-shaped printing forms 03 and along its circumference either with a plate-shaped printing form 03 or in succession with two plate-shaped printing forms 03. Such a forme cylinder 01 rolls on a transfer cylinder 01, the z. B.
  • a trained as a cylinder 01 body 01 has z. B. a diameter of, for example, 140 mm to 420 mm, preferably between 280 mm and 340 mm.
  • the axial length of the bale 02 of the cylinder 01 is, for. B. in the range between 500 mm and 2400 mm, preferably between 1200 mm and 1700 mm.
  • it can also be used as a printing material, e.g. B. paper leading roller 01 may be formed.
  • the tensioning channel 06 is at least to an outer surface 07 of the bale 02 of at least a profile body 04 introduced into the bale 02 is limited.
  • an elevator 03, z. B. On the lateral surface 07 of the bale 02 is an elevator 03, z. B. a flexible plate-shaped printing form 03, fastened in that at the ends of the elevator 03 beveled legs 08; 09 is inserted into the tensioning channel 06, which has an opening 11 directed towards the outer surface 07 of the bale 02, and there essentially on the walls 12; 13 of the opening 11 are created.
  • the tensioning channel 06 can have different cross-sectional geometries without influencing the invention.
  • the elevator 03 to be fastened on the bale 02 has a leading end 16 and a trailing end 17, each with a bent leg 08; 09 on.
  • the opening 11 of the tensioning channel 06 has a front edge 18 seen in the production direction P of the rotating body 01, from which a wall 12 extends to the tensioning channel 06, and a rear edge 19, from which a wall 13 also extends to the tensioning channel 06 ,
  • the opening 11 is long and narrow on the outer surface 07 of the bale 02 and is thus slit-shaped, the slot width S compared to the depth t of the tensioning channel 06, which, for. B. 28 mm to 35 mm, preferably 30 mm, is small and dimensioned such that a leg 08 at the leading end 16 of an elevator
  • An acute opening angle ⁇ is formed between the wall 12 extending from the front edge 18 to the tensioning channel 06 and an imaginary tangent T lying on the lateral surface 07 of the rotary body 01 on the opening 11, which angle is between 30 ° and 60 °, preferably 45 ° is.
  • the slot width S of the opening 11 thus tapers towards the lateral surface 07 of the rotary body 01 and it increases towards the tensioning channel 06.
  • the leg 08 at the leading end 16 of the elevator 03 can be attached to the front edge 18 of the opening 11, so that this leg 08 preferably bears in a form-fitting manner on the wall 12 extending from the front edge 18 to the tensioning channel 06. In the example shown in FIG.
  • the wall 13 on the rear edge 19 of the opening 11 slopes approximately perpendicular to the tensioning channel 06.
  • the wall 13 can also be slightly inclined, so that the opening 11 widens towards the tensioning channel 06.
  • An angle ⁇ which results as the opening angle ⁇ between the wall 13 extending from the rear edge 19 to the tensioning channel 06 and the already mentioned tangent T lying on the lateral surface 07 of the rotary body 01 on the opening 11, is z. B. in the range between 85 ° and 95 ° and is preferably 90 °.
  • the tensioning channel 06 generally extends in the axial direction of the rotary body 01. A z. B. in the bottom 14 of the tensioning channel 06 or the profile body 04 recessed to the tensioning channel 06 groove 21, in which a rigid, preferably plate-shaped holding means 22 - preferably loosely - is set and pivotally mounted.
  • the holding means 22 can, for. B. a metallic strip 22 extending longitudinally in the tensioning channel 06.
  • the groove 21 is therefore the bearing point and support point of the as a lever 22 designed holding means 22.
  • the width B of the groove 21 is larger than the thickness D of the holding means 22.
  • the holding means 22 is designed such that it has a first upper one one of the two walls 12 or 13 of the opening 11 can be placed on the end 23 and a second lower end 24 opposite the opening 11, this lower end 24 being supported in the groove 21.
  • a preferably pre-tensioned spring 26 is supported at one end on the profile body 04 and at the other end on the holding means 22, preferably close to the first upper end 23 of the holding means 22, so that the holding means 22 acting as a lever 22 from its bearing point in the groove 21 to the spring 26 forms the longest possible arm.
  • An actuating means 27 counteracts the contact pressure exerted by the spring 26 via the holding means 22 on the wall 13, which extends from the rear edge 19 of the opening 11, so that when the actuating means 27 is actuated, one with the holding means 22 on the wall 13 release caused clamping if necessary.
  • the adjusting means 27 is preferably a hose 27 running in the longitudinal direction of the tensioning channel 06, which is connected to a pressure medium, for. B. compressed air can be applied. Accordingly, all of the components that are required to hold an elevator 03 on the lateral surface 07 of the bale 02 are arranged and stored in the tensioning channel 06.
  • At least one profile body 04 is introduced into the bale 02 in order to produce the rotary body 01 such that the profile body 04 spatially delimits a tensioning channel 06 at least on the lateral surface 07.
  • the profile body 04 is preferably introduced into the bale 02 cohesively, in particular by a welding process, e.g. B. by electron beam welding or by laser welding.
  • a welding process e.g. B. by electron beam welding or by laser welding.
  • brazing in a vacuum could also be used, whereby a solder paste applied to the joint surface runs as a result of a capillary action and finally leads to a very firm solder joint even under shear stress if the complete rotating body 01 is heated in a vacuum.
  • the profile body 04 is advantageously inserted into a groove 31 preferably milled into the lateral surface 07 of the bale 02, regardless of the subsequently used connection technique.
  • the profile body 04 is block-shaped, the width W31 of the groove 31 and the width of the profile body 04 are preferably adapted to one another in a play fit or a transition fit.
  • the profile body 04 which extends in the axial direction of the rotary body 01, preferably has a strip-like shape and can be formed in one or more parts. As illustrated in FIGS. 2 and 3, it is e.g. B. not absolutely necessary that the profile body 04 forms a bottom 14 in the tensioning channel 06.
  • the profile body 04 can be integrally formed in a welding process at least on or near the lateral surface 07 of the bale 02 by applying a material.
  • a corrosion-resistant stainless steel is particularly suitable as the material for a profile body 04 designed for welding.
  • the holding means 22 arranged in the tensioning channel 06, the spring 26 and the adjusting means 27 are no longer shown in FIG. 2 and the subsequent figures for the sake of clarity. For details in this regard, reference is made to FIG. 1.
  • the width W31 of the groove 31 can at least on the lateral surface 07 z. B. between 10 mm and 50 mm, preferably between 12 mm and 30 mm.
  • the profile body 04 has on a side facing the lateral surface 07, ie on its end face 34 z. B. a slot-shaped opening 11 as access to the tensioning channel 06.
  • two profile bodies 04 can be provided, which are at least on the lateral surface 07 due to their spacing in the axial direction of the rotary body 01 form a slot-shaped opening 11.
  • the cross section of the tensioning channel 06 can preferably be round or rectangular.
  • the tensioning channel 06 preferably runs in the axial direction of the rotary body 01.
  • the profile body 04 can be designed in the form of a strip and, in a section transverse to the axial direction of the rotary body 01, essentially angular.
  • each welding zone 32 with a welding depth of 5 mm directed in the bale 02 is z. B. 1 mm, at a depth of 20 mm z. B. 2 mm and at a depth of 40 mm z. B. 3 mm.
  • the welding zones 32 are designed to be somewhat wider, so that the width and depth of each welding zone 32 are in a ratio of approximately 1: 5. Welding depths of 15 mm to 20 mm may be sufficient for the application at hand. The maximum depth required is z. B. at 50 mm.
  • the welding zones 32 can e.g. B. run approximately perpendicular to the lateral surface 07 of the bale 02 and thus be arranged approximately radially to the rotating body 01 or they have a deliberately chosen and essentially dependent on the geometry of the profile body 04 an inclination angle to the lateral surface 07 of the bale 02. In any case, the welding zones 32 penetrate straight into the bale 02 in accordance with the beam path of the energy source.
  • the welding zones 32 do not necessarily have to extend over the entire length of the bale 02, but can e.g. B. be formed only selectively or in several spaced apart short sections of only a few millimeters in length.
  • the welded sections can e.g. B. 5 mm to 25 mm, preferably about 10 mm long and repeated at intervals of 20 mm to 50 mm, preferably in 30 mm to 40 mm in the axial direction of the rotating body 01.
  • the profile body 04 and the bale 02 may well consist of different materials.
  • a corrosion-resistant material is preferably chosen, for. B. an alloyed, corrosion-resistant steel or an aluminum bronze, whereas the bale 02 z. B. from an unalloyed C22 steel and thus from a more susceptible to corrosion material.
  • an embodiment of the rotating body 01 with materials of different corrosion behavior leads to an embodiment in which it can be advantageous to insert the at least one profile body 04 into the groove 31 with a slight protrusion a or to form it on the groove 31 with a slight protrusion a, whereby the projection a measures a few tenths of a millimeter, so that the profile body 04 inserted into the groove 31 slightly protrudes beyond the lateral surface 07 of the bale 02 by the projection a (FIG. 3).
  • the z. B. can consist of an inexpensive unalloyed C22 steel, a corrosion-resistant protective layer 33 is advantageously applied, the protective layer 33 z. B.
  • This protective layer 33 can also, in whole or in part, face 34 of the face of the surface 02 of the bale 02 Cover profile body 04. After the application of the protective layer 33, the entire coated outer surface 07 of the bale 02 is preferably turned or sanded, whereby the end surface 34 of the profile body 04 is partially or completely exposed again by the protective layer 33 and a continuous, smooth transition from the profile body 04 to the outer surface 07 of the Ballens 02 is ensured.
  • an elevator 03 applied to the bale 02 only comes into contact with corrosion-resistant surfaces, because both the lateral surface 07 of the bale 02 and the profile body 04 are each designed to be corrosion-resistant at least on the contact surfaces with the elevator 03.
  • FIG. 4 shows an embodiment of the rotary body 01, in which a cover 36 is applied to a surface 29 of a base body 28 of the bale 02.
  • the base body 28, together with its surface 29, can be made of an inexpensive material which is more susceptible to corrosion, e.g. B. consist of an unalloyed C22 steel.
  • the cover 36 is preferably made of a corrosion-resistant material, for. B. an alloyed, corrosion-resistant steel and is applied cohesively on the surface 29 of the base body 28, preferably welded, in particular by electron beam welding or by laser welding. Due to their depth effect, these preferred welding methods allow the cover 36, the radial material thickness, i. H.
  • Thickness is only a few millimeters, preferably 2 mm and at most 10 mm, welded through and a secure and thus permanent, firm connection of the cover 36 to the surface 29 of the base body 28 can be produced.
  • Welding zones 32 extending into the base body 28, which are shown in FIGS. 4 to 6 in simplified form by lines, are preferably formed equidistantly along the circumference of the bale 02 or its base body 28.
  • the tensioning channel 06 which preferably runs in the direction of the length of the bale 02, can — as shown in FIG. 4 — either directly in the base body 28 be introduced or be formed in the manner described above in connection with FIG. 2 in connection with a profile body 04, the profile body 04 advantageously integrally, preferably by using a welding process, in particular by electron beam welding or by laser welding, or by gluing to the base body 28 is inextricably linked.
  • the cover 36 has a slot-shaped opening 11 to the tensioning channel 06 at all functionally required locations, this opening 11 being introduced into the cover 36, preferably milled in, preferably after the cover 36 the surface 29 of the base body 28 has been applied.
  • the slot-shaped opening 11 is therefore introduced into the cover 36 at least as part of a holding device, it being possible for an elevator 03 which can be applied to the surface 29 to be aged with the holding device.
  • An example of a holding device is shown in FIG. 1, which is why reference is made to the relevant description for details of the holding device.
  • the slot width S of the opening 11 is in the range of a few millimeters, preferably it is at most 5 mm, in particular 1 mm to 3 mm (FIG. 1).
  • the opening 11 can extend over the entire length of the bale 02 or only in sections of this length.
  • FIGS. 4 and 5 show a special embodiment of the groove 31 made in the base body 28, into which a profile body 04 can be inserted.
  • the groove 31 shown in FIGS. 4 and 5 has an undercut in the base body 28.
  • Such a shape of the groove 31 can, for. B. with a T-shaped cutter in the base body 28.
  • the advantage of the undercut is that a z. B. in the axial direction of the rotary body 01 in the base body 28 inserted profile body 04 by the undercut in the radial Direction of the rotating body 01 is secured against unintentional loosening from the groove 31.
  • the cover 36 which closes the bale 02 on its outer surface 07, has an opening 11 with a smaller slot width S than the width W31 of the groove 31.
  • the ratio of the width W31 of the groove 31 to the slot width S of the opening 11 is preferably between 5: 1 and 15: 1.
  • the slot-shaped opening 11 can be introduced into the cover 36 after the cover 36 has been applied to the surface 29 of the base body 28.
  • this opening 11 z. B. by milling the front edge 18 described in connection with FIG. 1 with the wall 12 extending from this edge 18 at the opening angle ⁇ to the tensioning channel 06 and the rear edge 19 with the wall extending approximately perpendicular to the tensioning channel 06 13 formed or molded on the opening 11.
  • a flow channel 37 in particular a cooling channel 37, which is open in the direction of the lateral surface 07 of the bale 02, can be introduced into the base body 28, which then is covered by the cover 36 applied to the surface 29 of the base body 28 is covered.
  • a plurality of flow channels 37 are provided in the base body 28 along its circumference, which are preferably equidistant from one another and which, for. B. have a rectangular cross section.
  • Flow channels 37 designed in this way can preferably be milled into the base body 28, e.g. B. with a side milling cutter.
  • the flow channels 37 can be flowed through by a liquid heat transfer medium, for. B. of water or an oil. It is advantageous to line the flow channels 37 at least partially, ie at contact points with the base body 28, with a plastic, in particular around that To thermally isolate flow channels 37 flowing through the heat transfer medium from the base body 28.
  • the fact that the flow channels 37 in this embodiment of the rotary body 01 can be arranged very close to the lateral surface 07 thereof enables very efficient temperature control to be achieved, in particular if the cover 36 is thin-walled, ie only a few millimeters, preferably 2 mm and at most 10 mm thick is trained. As shown in FIG.
  • both at least one tension channel 06 and at least one flow channel 37 or more flow channels 37 can be formed in a bale 02 or its base body 28, which are preferably parallel to one another and in the direction of the length of the bale 02 or whose base body 28 extend.
  • a welding zone 32 is preferably formed in each case between adjacent flow channels 37.
  • a welding zone 32 is preferably also formed between a tensioning channel 06 and an adjacent flow channel 37. It is advantageous to arrange the welding zones 32 equidistantly along the circumference of the bale 02.
  • the channels ie the tensioning channel 06 and / or the at least one flow channel 37
  • Welding processes with very narrowly defined heating zones have the advantage that the rotary body 01 remains practically free from warping despite this heat-producing manufacturing process. Even plastic linings installed in the flow channels 37 are not deformed by the supply of heat in the proposed preferred welding methods.
  • the cover 36 is preferably designed as a tubular hollow cylinder and can be pushed onto the base body 28 for its assembly.
  • the cover 36 can, however, also be designed in the form of a shell, in particular in several parts, with a plurality of arcuate segments being applied in the direction of the circumference to the surface 29 of the base body 28.
  • the cover 36 which preferably consists of a corrosion-resistant and advantageously also of a wear-resistant material can be used for the base body 28 of the rotary body 01, the z. B. consists of a cheaper unalloyed and non-corrosion-resistant material, a noble outer surface 07 can be produced in a technically advantageous manner.
  • FIG. 6 shows a partial section of the bale 02 of the rotating body 01, wherein in the base body 28 of the bale 02 z. B. at least one clamping channel 06 is arranged.
  • a plurality of flow channels 37 are preferably arranged in an outer body 38 along the circumference of the bale 02 and are covered by a cover 36 in the manner described above.
  • This embodiment differs from the embodiment described in connection with FIG. 5 in that the flow channels 37 are not introduced into the surface 29 of the base body 28, but are applied to it by means of a separate component, ie the outer body 38.
  • a separate component ie the outer body 38.
  • a preferably cylindrical tubular outer body 38 which can be pushed onto the base body 28, z. B.
  • FIG. 9 shows a perspective view of this outer body 38.
  • the preferred machining method of the outer body 38 for introducing the flow channels 37 allows any contours for the configuration of the flow channels 37. B. arranged in groups axial slots, ie slots that extend in the axial direction of the rotating body 01.
  • the lateral surface 07 of the bale 02, ie here the cover 36 in this embodiment, is advantageously in zones 41 to be tempered; 42 divisible.
  • This outer body 38 which is preferably perforated to a certain extent, is pushed onto the base body 28 after the incisions of the flow channels 37 have been formed therein and there integrally with the surface 29 of the base body 28 connected, e.g. B. glued, but preferably welded, the welding method used in particular electron beam welding or laser welding. If necessary, the bale 02 with the outer body 38 fastened thereon is z. B. machined with a lathe on its lateral surface 07 by the first applied outer body 38 and then the cover 36 to achieve good concentricity for the rotating body 01 or be ground. Thereafter, in the manner previously described in connection with FIGS.
  • the cover 36 which is preferably made of a corrosion-resistant material, is applied to the outer body 38, with the cover 36 the flow channels 37 introduced into the outer body 38 and optionally one or covers at least temporarily a plurality of tensioning channels 06 introduced into the base body 28.
  • Welding zones 32 can either only connect the cover 36 to the outer body 38 or penetrate the cover 36 and the outer body 38 and extend into the base body 28 (FIG. 6).
  • 7 and 8 show the layer structure of the rotating body 01 in a longitudinal section.
  • the cover 36 is preferably integrally connected to the surface 29 of the base body 28 between the end faces 39 of the base body 28, in particular on at least one web formed between the flow channels 37. 8 is an enlarged detail of this longitudinal section.
  • FIGS. 10 to 12 An alternative embodiment to the embodiment shown in FIGS. 6 to 9 is shown in FIGS. 10 to 12.
  • An outer body 38 in the form of a cylindrical sleeve is pushed onto the preferably closed cylindrical surface of the base body 28 which extends over the axial length of the rotary body 01, the outer body 38 having a plurality of preferably axially extending grooves along its circumference, each groove preferably as a flow channel 37 can be used.
  • Over the axial length of the rotating body 01 are preferably a plurality of outer bodies 38, preferably the same width z. B. by plugging onto the rotating body 01 such strung together that all of the grooves formed on the lateral surface, preferably on the outer surface of the outer body 38, complement each other to form a continuous flow channel 37 that extends over the axial length of the rotary body 01.
  • a heat transfer medium guided on at least one end face 39 of the rotary body 01 through a channel into the rotary body 01 is, for. B. inside a shaft through the rotating body 01 through to close to the opposite end face 39 of the rotating body 01.
  • the heat transfer medium is fed from there to the end openings of the grooves of the outer body 38, which is outermost in the axial direction of the rotary body 01, and is introduced into the grooves, after which the heat transfer medium moves the grooves in the direction of the end face 39 of the rotary body 01, at which the heat transfer medium in was passed through the rotating body 01, flows through.
  • the heat transfer medium emerging at the front openings of the grooves of the last outer body 38 in the axial direction of the rotary body 01 can be fed to a channel for the collective removal of the heat transfer medium from the rotary body 01.
  • the grooves, in particular the grooves flowed through by the heat transfer medium can, for. B. have a rectangular cross section (Fig. 12) or a round or semicircular cross section (Fig. 11).
  • the outer body 38 is preferably made of a plastic such. B. manufactured in an injection molding process, for. B. made of a polyamide, and is able to thermally insulate the heat transfer medium flowing through the flow channels 37 preferably against the base body 28.
  • the outer body 38 on the base body 28 is preferably by a material connection, z. B. fixed by an adhesive and attached.
  • the preferably thin-walled cover 36 is, for. B. positively pushed onto the outer body 38 and preferably cohesively on the outer bodies 38 or on the base body 28 or on both. B. attached by welding or gluing.
  • the cover 36 is preferably made of a corrosion-resistant and wear-resistant metallic material.
  • the particular advantage of the rotary body 01 embodied in a layer structure is that no flow channels 37 need to be introduced into the base body 28, as a result of which a complex processing step in the manufacture of the rotary body 01 is eliminated.
  • Some rotating bodies 01 require an arrangement of twenty and more flow channels 37 for effective temperature control of the lateral surface 07 of their bale 02 along the circumference, which in turn z. B. by means of a deep hole with a diameter of z. B. 20 mm to 25 mm in the bale 02 or the base body 28 are introduced.
  • a production of the rotary body 01 is complex and therefore expensive.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Printing Methods (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Moulding By Coating Moulds (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne un procédé de production d'un corps rotatif d'une presse à imprimer, ce corps rotatif comprenant un corps de base présentant une surface. Selon l'invention, un corps extérieur comprenant au moins une découpe formant un canal d'écoulement est disposé sur la surface du corps de base et un revêtement recouvrant ledit canal d'écoulement est disposé sur le corps extérieur.
PCT/DE2003/003526 2002-10-31 2003-10-23 Procede de production de corps rotatifs et corps rotatifs d'une presse a imprimer WO2004039534A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2003283194A AU2003283194A1 (en) 2002-10-31 2003-10-23 Rotative bodies of a printing press and method for producing said bodies
DE50309498T DE50309498D1 (de) 2002-10-31 2003-10-23 Rotationskörper einer druckmaschine und verfahren zu dessen herstellung
EP03775071A EP1569798B1 (fr) 2002-10-31 2003-10-23 Corp rotativ d'une presse a imprimer et procede de production du meme

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10250683A DE10250683B3 (de) 2002-10-31 2002-10-31 Verfahren zur Herstellung eines Rotationskörpers einer Druckmaschine und einen danach hergestellten Rotationskörper
DE10250683 2002-10-31

Publications (2)

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WO2004039534A2 true WO2004039534A2 (fr) 2004-05-13
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CN103111805A (zh) * 2013-01-16 2013-05-22 黄石山力大通热工设备有限公司 一种金属辊筒包扎卷制生产工艺方法
CN103193109B (zh) * 2013-04-12 2015-06-10 江苏金呢工程织物股份有限公司 造纸成形网验网用卷网机大辊及其制作方法

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US4056057A (en) * 1976-02-27 1977-11-01 Livermore And Knight Co., Inc. Vacuum printing cylinder construction
US4261112A (en) * 1977-01-10 1981-04-14 Joachim Apitz Heat exchange cylinder
JPH01249449A (ja) * 1988-03-31 1989-10-04 Dainippon Printing Co Ltd 印刷シリンダーの加温装置
EP0557245A1 (fr) * 1992-02-20 1993-08-25 Grapha-Holding Ag Cylindre pour machines de traitement de matériau en bande
US5379693A (en) * 1991-12-11 1995-01-10 Man Roland Druckmaschinen Ag Welded tubular printing plate, and the method of making
WO2001026902A1 (fr) * 1999-10-08 2001-04-19 Koenig & Bauer Aktiengesellschaft Cylindre de presse rotative

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DD66630A1 (de) * 1967-06-15 1969-05-05 Herbert Doliner Zylinder für Druckmaschinen
DE4036121C2 (de) * 1990-07-26 1997-06-12 Schwaebische Huettenwerke Gmbh Heizwalze
DE9116367U1 (de) * 1991-06-15 1992-09-24 Koenig & Bauer AG, 8700 Würzburg Zylinder für die Papierführung an Bogenrotationsdruckmaschinen
DE4212790C2 (de) * 1992-04-16 1996-04-04 Roland Man Druckmasch Zylinder für Rotationsdruckmaschinen
DE4338467C1 (de) * 1993-11-11 1995-02-23 Roland Man Druckmasch Verfahren zur Herstellung einer hülsenförmigen Druckform

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US4056057A (en) * 1976-02-27 1977-11-01 Livermore And Knight Co., Inc. Vacuum printing cylinder construction
US4261112A (en) * 1977-01-10 1981-04-14 Joachim Apitz Heat exchange cylinder
JPH01249449A (ja) * 1988-03-31 1989-10-04 Dainippon Printing Co Ltd 印刷シリンダーの加温装置
US5379693A (en) * 1991-12-11 1995-01-10 Man Roland Druckmaschinen Ag Welded tubular printing plate, and the method of making
EP0557245A1 (fr) * 1992-02-20 1993-08-25 Grapha-Holding Ag Cylindre pour machines de traitement de matériau en bande
WO2001026902A1 (fr) * 1999-10-08 2001-04-19 Koenig & Bauer Aktiengesellschaft Cylindre de presse rotative

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AU2003283194A1 (en) 2004-05-25
AU2003283194A8 (en) 2004-05-25
CN101229705A (zh) 2008-07-30
DE10250683B3 (de) 2004-03-18
WO2004039534A3 (fr) 2004-08-19
DE50309498D1 (de) 2008-05-08
ATE390281T1 (de) 2008-04-15
EP1569798A2 (fr) 2005-09-07
EP1569798B1 (fr) 2008-03-26

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