EP2156951B1 - Presse pouvant être tempérée - Google Patents

Presse pouvant être tempérée Download PDF

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Publication number
EP2156951B1
EP2156951B1 EP20090167163 EP09167163A EP2156951B1 EP 2156951 B1 EP2156951 B1 EP 2156951B1 EP 20090167163 EP20090167163 EP 20090167163 EP 09167163 A EP09167163 A EP 09167163A EP 2156951 B1 EP2156951 B1 EP 2156951B1
Authority
EP
European Patent Office
Prior art keywords
roller
cylinder
metal
hollow cylinder
open
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.)
Not-in-force
Application number
EP20090167163
Other languages
German (de)
English (en)
Other versions
EP2156951A2 (fr
EP2156951A3 (fr
Inventor
Stefan Bauer
Sven Palme
Peter Schmitt
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.)
KBA Meprint AG
Original Assignee
KBA Meprint 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 KBA Meprint AG filed Critical KBA Meprint AG
Publication of EP2156951A2 publication Critical patent/EP2156951A2/fr
Publication of EP2156951A3 publication Critical patent/EP2156951A3/fr
Application granted granted Critical
Publication of EP2156951B1 publication Critical patent/EP2156951B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/26—Construction of inking rollers
    • 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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/002—Heating or cooling of ink or ink rollers
    • 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
    • B41N2207/04—Intermediate 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
    • B41N2207/10—Location or type of the layers in shells for rollers of printing machines characterised by inorganic compounds, e.g. pigments
    • 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
    • B41N7/04—Shells for rollers of printing machines for damping rollers
    • 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
    • B41N7/06—Shells for rollers of printing machines for inking rollers

Definitions

  • the invention relates to a heatable roller according to the preamble of claim 1 and to a method for producing such a roller according to the preamble of claim 15.
  • printing presses and converter machines for the transport and further processing of web-shaped or sheet-like material have a number of different rollers, such as pressure rollers, ink rollers, counter-pressure rollers or deflection rollers.
  • the diameters of such rolls vary from a few centimeters in diameter, for example in deflection rolls up to about 500 mm in diameter, or more in pressure rolls or inking rolls or counter-pressure rolls.
  • rollers in particular pressure rollers and ink rollers, in particular of sheet-fed presses in recesses of the lateral surface devices for holding and / or clamping of sheets, Drucktüchem or clichés, whereby at least the wall thickness of the roller must be reinforced in this area in total to the said devices in take a way that they can not protrude beyond the lateral surface of the roller or only in certain rotational angle ranges of the roller, for which the said devices are driven by a corresponding control.
  • Such devices may for example also represent gripper elements, eg. on a transfer drum, whereby the sheets to be printed or already printed are transported in a sheet-fed printing press from a printing unit to a subsequent processing station.
  • gripper elements eg. on a transfer drum
  • Such devices may for example also represent gripper elements, eg. on a transfer drum, whereby the sheets to be printed or already printed are transported in a sheet-fed printing press from a printing unit to a subsequent processing station.
  • gripper elements for example, in a recess of the lateral surface parallel to the axis of rotation of the roller a number of gripper elements are movably arranged, which, for example, within a certain rotational angle range of the roller from its recess, for example via a cam controlled, moved out, so that a sheet leading edge can be detected by means of the gripper elements and, for example, the sheet are thereby removed from a previous printing unit or a feed unit and can be fed to a subsequent printing unit.
  • the wall of the roller must be reinforced at least in this area, in particular in order to be able to meet the required accuracies, for example positioning accuracies. If such rolls are made of solid and dimensionally stable steel, as is generally the case, then such rolls - as already mentioned - have a high weight and a high mass inertia, which requires powerful drives.
  • a disadvantage of the use of said roller body of the known type is further that when replacing such rollers, for example, to perform a format change, these can be difficult to change with appropriate lifting equipment and with increased expenditure of time due to their high weight, whereby the downtime of the printing machine crucial is extended.
  • DE 10 2004 055 833 A1 is a roll of a printing press with an outer, a surface of the roll forming tubular shell and a shell enclosed by the tubular shell of a metal foam, wherein the core of the foamed material is tubular and wherein within the core, a further tube is arranged , Optionally, a groove is introduced as a flow channel in the metal foam.
  • a roll of a printing press which has at least one roll body which has at least one inner element that at least partially consists of a foamed metal.
  • the roller has a channel.
  • the object of the invention is therefore to provide a roller body and / or a roller, which has a significantly reduced weight and thus a significantly reduced torque and moment of inertia.
  • the object of the invention is also to provide a roller which can have a high concentricity and dimensional stability.
  • the object of the invention is also to provide a roller which can be tempered in a simple and familiar manner by means of a cooling liquid.
  • the object of the invention is also to provide a roller body or a roller, which may have in its lateral surface recesses for receiving movably mounted elements.
  • the object of the invention is also to provide a method for producing such rolls.
  • a structure may be such that the roller body of a roller comprises an outer hollow cylinder in which coaxially to this at least one stiffening element is arranged, which is at least partially formed of a foamed metal and at least partially contacted with its outer surface, the inner surface of the hollow cylinder ,
  • the outer hollow cylinder substantially serves to form a smooth closed surface, whereas the inner coaxially located in the outer hollow cylinder stiffening element provides the mechanical strength.
  • a coaxial layer structure of at least two bodies arranged inside one another for example of at least one inner body and one outer body, wherein the at least one inner body at least partially comprises a foamed metal and can therefore be manufactured very easily in relation to its volume and nevertheless has high stability and wherein the outer body is substantially a metal sleeve, which can be very thin compared to the prior art known in the art hollow cylinder assemblies, since it is supported from the inside by the stiffening element. For this reason, the wall thickness of the outer hollow cylinder can be kept thinner than the wall thickness of the stiffening element.
  • the metal sleeve can be made of a solid metal.
  • the at least one inner reinforcing element for example, as a cylinder consisting entirely of a metal foam, in particular a hollow cylinder.
  • a metal foam in particular a hollow cylinder.
  • the outer preferably fully metallic hollow cylinder is completely filled with a metal foam, in the embodiment as a hollow cylinder only in one of the inner wall near range.
  • the stiffening element comprises a respective coaxial with each other and at least partially, preferably completely made of a metal foam hollow cylinder, each between two consisting of a metal foam hollow cylinders made of a solid metal hollow cylinder can be arranged, said the respective inner and outer surfaces of adjacent hollow cylinders contact each other at least in regions, so that a radial sandwich structure results from a plurality of coaxially arranged cylindrical metal foam elements with interposed full metal sleeves.
  • the opposing inner and outer surfaces of these metal foam hollow cylinder can contact at least partially even without interposed solid metal hollow cylinder, especially if it is metal foam cylinder made of different metals.
  • the most radially inner element is formed as a support member which, for. may be formed by a solid or a hollow cylinder preferably made of a solid metal. If a stiffening element made of only one metal foam hollow cylinder is provided, then such a support element contacts and supports this stiffening element directly and directly from the inside.
  • the at least one coaxial stiffening element may further be provided to carry out the at least one coaxial stiffening element, for example, as a cylinder made entirely of metal foam or hollow cylinder, which in addition to its foam pores has regularly or irregularly arranged cavities.
  • a stiffening element with a plurality of coaxial metal foam hollow cylinders lying one inside the other.
  • an inner stiffening element may have a wall thickness which is 2 to 10 times thicker than the wall thickness of the outer hollow cylinder.
  • At least one coaxially arranged inside the outer hollow cylinder stiffening element as an axial stack or axial sequential arrangement of cylindrical or hollow cylindrical discs of a foamed metal, in particular wherein the discs are arranged axially spaced along the roll axis.
  • This can e.g. be realized by an axially spaced series of discs of metal foam, which are mounted at a distance on a cylindrical or hollow cylindrical support member, e.g. cohesively.
  • the radially outer edge of these discs may be designed open-pore or wear a full metallic sleeve.
  • this series arrangement can be realized by a cylinder or hollow cylinder made of metal foam, in which a plurality of axially spaced circumferential grooves of a certain width are introduced, e.g. by turning, so that is defined by the groove widths, the distance and the width of the discs.
  • stiffening element of two or more coaxially matingly arranged hollow cylinders with different diameters, which are preferably made of solid metal and the intermediate region is each foamed with a metal, so that a sandwich construction results with at least one core of foamed Metal and respective inner and outer, in particular thin-walled cylinder sleeves.
  • this stiffening element can be subsequently provided with circumferential grooves, for example by unscrewing, with an above construction results with successively spaced discs, the radially outer edge each carries a fully metallic sleeve.
  • Such a stiffening element can thus be used for all mentioned embodiments, in particular also to form spaced-apart disks of the aforementioned type.
  • all rings axially separated outer hollow cylinder or sleeves, core portions of metal foam and a common carrier cylinder or carrier cylinder.
  • the outer or inner diameter of the mutually coaxial or concentric lying elements each adapt to each other, in particular form-fitting, so that there is no or only a minimal gap when joining.
  • the outer hollow cylinder is preferably designed as a particularly thin-walled hollow cylinder whose inner diameter substantially corresponds to the outer diameter of the outermost of the inner stiffening elements.
  • the outer hollow cylinder in particular as an at least substantially thin-walled hollow cylinder, such that its wall is formed on at least one region parallel to the roll axis such that a recess for receiving additional elements, for example fastening devices for printing plates or blankets , is formed, in particular whereby the inner circumferential surface of the hollow cylinder has an irregular shape and in particular has a different shape from a circular cross-section.
  • the outer shape of the stiffening element of the inner shape of the outermost hollow cylinder it is provided to adapt the outer shape of the stiffening element of the inner shape of the outermost hollow cylinder.
  • a material for the inner at least partially foamed stiffening elements may preferably be a foamed light metal or a foamed metal alloy, in particular a foamed light metal alloy, for example of aluminum or magnesium or their alloys may be used.
  • the outer hollow cylinder may already include at least one aforementioned recess and wherein the extruded profile may have, for example, additional stiffening elements, in particular stiffening ribs on its inner wall.
  • a foam structure of a foamed metal forms a rigid and dimensionally stable in themselves construction and comprises, for example, when using aluminum has an average density of only 0.4 g / cm 3 to 0.6g / cm 3, thereby maintaining the shape stability and stiffness a significant weight reduction of the roller is effected.
  • metal foams may have an open-pored structure. It is thus intended to flow through at least one hollow cylinder of the sandwich structure of such an open-pore metal foam with a fluid for temperature control, in particular for the purpose of cooling with a cooling liquid to flow through. In this way, effective cooling, in particular of the roll surface of the roll, can be achieved.
  • the open-pore structure has the following property: within a volume flowed through and / or permeable by temperature-control fluid, which lies inside the roller, there is a closed path, which in the mathematical sense is not simply connected, whose length is smaller than 0.5 cm.
  • a closed, simply connected path is a closed path that can be contracted to a single point. In this case, a simply connected path would have to contract to one point, without even a part of the path ever leaving the volume through which flowed through and / or flowed through or through the metallic framework.
  • the use of the metal foam also has the advantage that metals and in particular light metals such as aluminum are known to have a high thermal conductivity, whereby a heat transfer, for example, from the lateral surface of such a roller can be made particularly effective in the cooling liquid. It is also possible, for example for the production of such a roller to produce the sheath body in a first step as a particularly thin-walled tube or as a particularly thin-walled tubular extruded profile, for example, the necessary recesses for gripper elements or holding devices in the lateral surface are already incorporated into the profile.
  • corresponding shape-matched sandwich elements are then introduced into the interior of the sheath body and connected thereto, for example glued or welded or soldered thereto, resulting in a dimensionally stable and rigid construction.
  • a tempering fluid is introduced into an open-pored structure of the metal foam, which later flows through the open-pore structure for purposes of tempering and also flows out of the roll and / or into the roll.
  • a plurality of coaxially fitted hollow cylinder layers of a stiffening element may be provided, which respectively comprise at least partially metal foam or are formed entirely of metal foam, wherein at least one of the coaxial layers is used to supply a Temper michsfluid and optionally at least one other layer is used to remove the Temper michsfluid again.
  • Such fluid-flow or through-flowable metal foam layers can preferably be separated from one another by full-metal hollow cylinders and / or by a metal foam layer which can not flow through them.
  • an air-filled metal foam layer or stiffening element is arranged between two layers or stiffening elements which serve as a return for the fluid, since the air cushion present in the metal foam intermediate layer additionally acts as a heat insulator can act, whereby a thermal short circuit between the flow and return of the fluid, in particular the cooling liquid can be effectively prevented.
  • FIGS. 1 a and 1 b show a cross section and a schematic perspective cross section of a roller 1 of the known type.
  • the roller 1 In this case, for example, consists of a roller body 2 designed as a hollow cylinder, which has a cover surface 4 with a bearing journal 3 at its front-side ends.
  • the roller body 3 is designed as a thick-walled hollow cylinder with a wall thickness in the range of about 30 mm to 60 mm, so that in the circumferential surface 6 of the roller body 3 additional elements not shown, such as fasteners, clamping elements or gripper elements can be incorporated without the stability of the entire roller 1 significantly affect.
  • the bearing journals 3 can furthermore each be made hollow, whereby the possibility is created, for example, to guide a cooling liquid into the interior 5 of the roll and to pass it through the roll 1, whereby the roll can be tempered.
  • the roller 10 here comprises, for example, a particularly thin-walled hollow cylinder 11, whose lateral surface 12 can be further finished depending on the intended use of the roller, for example, be polished or carry auxiliary markings for clichés to be adhered can or something similar.
  • Thin-walled here means at least thinner than in comparison to the hollow cylinder according to the prior art and in particular with a wall thickness in a range of 2 to 15 mm, preferably 3 mm to 10 mm.
  • a stiffening element 20 which is also embodied, for example, essentially as a hollow cylinder, is furthermore introduced in the interior of the roller 10 such that its outer diameter corresponds exactly to the inner diameter of the outer hollow cylinder 11.
  • the stiffening element 20 made of a foamed metal, such as a light metal, such as aluminum or magnesium or an alloy of metals, in particular light metals. Due to its internal structure, the foamed metal structure has a high rigidity and dimensional stability and at the same time has an average density of only 0.5 g / cm 3, for example when using aluminum as the material.
  • a foamed metal such as a light metal, such as aluminum or magnesium or an alloy of metals, in particular light metals. Due to its internal structure, the foamed metal structure has a high rigidity and dimensional stability and at the same time has an average density of only 0.5 g / cm 3, for example when using aluminum as the material.
  • an inner coaxial stiffening element 20 is provided from a metal foam, which rests with its inner wall precisely on a support member 30 which is formed as a solid or preferably as a hollow cylinder and thereby creating a whole cylindrical sandwich structure which forms a metal foam Core.
  • the inventive construction of the roller 10, it is possible to significantly reduce the total weight of the roller without affecting the mechanical properties such as rigidity or dimensional stability, for example by the Wall thickness of the outer cylinder 11 is reduced and is in a range of, for example, 3mm to 10mm.
  • FIGS. 3a, 3b show the FIGS. 3a, 3b .
  • the figures show a cross section or a schematic perspective cross section of a second roller 10 according to the invention.
  • the sandwich structure of the roller 10 comprises an outer hollow cylinder 11 and a support member 30 between which a stiffening member 20 is inserted and is substantially similar to the previous embodiment, with the difference that the stiffening member 20 is formed from at least two individual stiffening disks 21, which are spaced apart by a distance 22 in the axial direction.
  • the stiffening disks 21 are in this case designed in each case as a hollow cylinder consisting of a foamed metal, wherein the respective inner and outer circumferential surfaces is adapted to the adjacent inner surface or outer surface of the outer cylinder 11 and the inner support member 30 and, for example, in each case connected thereto, in particular cohesively, for example, by welding, soldering, gluing or the like.
  • the axial length of the respective stiffening disks 21 and their respective axial spacing 22 relative to one another may be the same or different in each case, whereby the possibility is created of creating regions with different mechanical properties, such as rigidity or dimensional stability, along the axis of the roller 10.
  • FIGS. 4a, 4b schematically shown as a cross section and as a schematic perspective cross section that the outer hollow cylinder 11 has at least one area for receiving fasteners for example, pressure plates and / or adjusting or gripper elements.
  • the hollow cylinder 11 in certain areas parallel to the cylinder axis inside, in particular radially into the interior of the hollow cylinder 11 facing thickenings 16, in which the desired fasteners or mounting holes, etc. 17 are introduced.
  • the outer shape of the stiffening element 20 and the stiffening rings 21 is adapted, so that in turn a positive engagement between the lateral surface of the stiffening element 20 / the stiffening disks 21 and the inner surface of the cylinder 11 is given.
  • the FIGS. 4a and 4b show here in the lateral surface of the stiffening element 20 in the axial direction extending groove 23 which is adapted in shape to the inner thickening 16 of the outer hollow cylinder.
  • the foam structure of the foamed metal of the stiffening element 20 or the stiffening disks 21 is preferably open-pored, this is also preferably permeable to, for example, gases such as air or also to cooling liquids such as water.
  • the thus formed hollow body 31 is in this case held axially shorter to the respective ends of the roller 10 than the axial inner dimension of the outer hollow cylinder 11, whereby at the respective ends of the roller 10 between the cover surfaces 14 and the body 31 cavities 42a, 42b are formed.
  • the cavities 42a, 42b are connected on the one hand to the respective bearing pins 13 connected to the cover surfaces 14 and hollow, and on the other hand to the stiffening element 20 formed of open-pored metal foam.
  • the length of the stiffening element 20 may be the same length as the body 31 or correspond to the axial inner dimension of the cylinder 11. This makes it possible, via a first bearing pin acting as an inlet 40 13 to guide a cooling liquid in the direction of the arrows 100 through the bearing pin 13, the corresponding cavity 42a through the metallic foam consisting of stiffening element 20 and the cavity 42b and the return 41 of the cooling liquid to lead over the opposite bearing pin 13.
  • both journals can each serve to supply and / or the discharge of Temper michsfluid.
  • FIG. 6 shows an embodiment of a roller 10 according to the invention, which substantially the in FIG. 5 described embodiment corresponds with the difference that the volume 15 is also filled with a metal foam, whereby a further increased dimensional stability and rigidity of the roller 10 can be achieved without significantly increasing their overall weight.
  • FIG. 7 An embodiment of a roller 10 according to the invention FIG. 7 , which are essentially those in FIG. 5 described embodiment corresponds with the difference that the closed body 31 of the FIG. 5 in turn is built in a sandwich structure.
  • the according to FIG. 7 closed body 33 in this case comprises the carrier element 30, which is designed, for example, as a particularly thin-walled hollow cylinder, in the interior of which a stiffening element 24 made of a foamed metal is co-accurately inserted in register.
  • the adjacent walls can be connected to each other in the same way, in particular cohesively, for example by welding, soldering or gluing or the like.
  • the stiffening element 24 may in this case be designed essentially as a hollow cylinder and its inner circumferential surface rest on a further carrier element 32 in register and be connected thereto.
  • the closed body 33 thus formed with the respective end pieces 43a, 43b has a structure of this kind Furthermore, increased rigidity and dimensional stability, without significantly increasing the overall weight of the roller 10.
  • the opposite bearing pin 13a has in its bore 13c coaxially disposed therein tube 13d with a smaller diameter than the bore 13c.
  • the tube 13d is further tightly connected at its end located inside the roller to the opening 44a of the end piece 43a.
  • an inlet 40 with, for example, an annular cross-section and a return 41 with, for example, a circular cross-section, is formed in the journal 13a, via which the roller 10 can be charged with a coolant, or vice versa.
  • the cooling liquid initially passes along the arrow directions 100 via the inlet 40 into the cavity 42a and then flows through the stiffening element 20 consisting of open-pored metal foam, as a result of which the outer jacket surface of the cylinder 11 is effectively tempered.
  • the cooling liquid passes into the cavity 42b and via the opening 44b located in the end piece 43b into the cavity 15 and from there via the opening 44a into the tube 13d, which thus forms the return 41.
  • the carrier element 32 thick-walled or made of a different material to meet the requirements of the cooling liquid or the changed during operation of the roller with coolant pressure conditions.
  • the openings 44a, 44b are introduced into the end pieces 43a, 43b such that the frontal regions of the stiffening element 24 are guided by the end pieces 43a, 443b are covered and sealed, whereby the air contained in the interior of the metal foam of the stiffening element 24 is enclosed and whereby the sandwich structure thus formed substantially acts as a heat insulator.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Laminated Bodies (AREA)

Claims (15)

  1. Rouleau ou cylindre d'une machine à imprimer et/ou à transformer et/ou à laquer, qui comporte au moins un corps de rouleau ou de cylindre (10), ledit corps de rouleau ou de cylindre (10) comportant un cylindre creux (11) extérieur en métal massif et au moins un élément intérieur (20), lequel est au moins partiellement constitué d'un métal cellulaire, caractérisé en ce qu'une structure du métal cellulaire est à pores ouverts et est traversée et/ou peut être traversée par un fluide de thermostatisation, et en ce que plus de 40 % des pores de la structure à pores ouverts sont ouverts et traversés et/ou peuvent être traversés.
  2. Rouleau ou cylindre selon la revendication 1, caractérisé en ce que le ou les éléments intérieurs (20) sont réalisés comme cylindres creux et/ou comme cylindres.
  3. Rouleau ou cylindre selon la revendication 1, caractérisé en ce que le corps de rouleau ou de cylindre (10) présente une structure en sandwich constitué d'au moins deux éléments (11, 20, 30) cylindriques emboîtés coaxialement l'un dans l'autre, dont les surfaces intérieures et extérieures respectives sont au moins partiellement au contact l'une de l'autre.
  4. Rouleau ou cylindre selon la revendication 1, caractérisé en ce que le corps de rouleau ou de cylindre (10) comporte un cylindre creux (11) extérieur en métal massif, dans lequel sont disposés le ou les éléments intérieurs (20) constitués d'un métal cellulaire à pores ouverts et contactant au moins partiellement par leur surface extérieure la surface intérieure du cylindre creux (11).
  5. Rouleau ou cylindre selon la revendication 1, caractérisé en ce que l'élément intérieur (20) est réalisé comme élément de renforcement (20).
  6. Rouleau ou cylindre selon la revendication 4, caractérisé en ce que le cylindre creux (11) extérieur présente une épaisseur de paroi inférieure à l'élément intérieur (20) qui y est disposé, et au moins une surface fermée sur son enveloppe (12) extérieure.
  7. Rouleau ou cylindre selon la revendication 5, caractérisé en ce qu'un élément de renforcement (20) est constitué de deux ou de plusieurs cylindres creux en métal massif de diamètres différents emboîtés coaxialement l'un dans l'autre, dont l'intervalle entre eux est comblé avec un mousse métallique.
  8. Rouleau ou cylindre selon la revendication 1, caractérisé en ce qu'un élément radialement intérieur est réalisé comme élément de support (30) constitué d'un cylindre massif ou creux en métal massif.
  9. Rouleau ou cylindre selon la revendication 1, caractérisé en ce que deux cylindres creux en mousse métallique à pores ouverts emboîtés coaxialement l'un dans l'autre sont traversés et/ou peuvent être traversés par un fluide de thermostatisation dans la même direction ou dans des directions contraires.
  10. Rouleau ou cylindre selon la revendication 9, caractérisé en ce qu'un cylindre creux en mousse métallique chargé d'air et/ou de gaz est disposé entre deux cylindres creux en mousse métallique à pores ouverts emboîtés coaxialement l'un dans l'autre et traversés et/ou pouvant être traversés par un fluide de thermostatisation, et est enserré entre deux cylindres creux en métal massif sur chaque côté dans la direction radiale.
  11. Rouleau ou cylindre selon la revendication 8, caractérisé en ce que des tourillons (13a, 13b) sont disposés de part et d'autre du corps de rouleau ou de cylindre dans la direction axiale, un (13a) des tourillons étant doté d'une admission et d'une évacuation (13a ; 13d) de fluide de thermostatisation, lesquelles sont disposées coaxialement l'une autour de l'autre dans le tourillon (13a), l'admission (13c) et l'échappement (13d) étant reliés au cylindre creux en mousse métallique à pores ouverts le plus extérieur dans la direction radiale, et l'échappement (13d) et l'admission (13c) étant reliés à un cylindre creux en mousse métallique à pores ouverts intérieur dans la direction radiale ou à l'intérieur de l'élément de support (30) le plus intérieur dans la direction radiale, le fluide de thermostatisation étant conduit vers le côté du rouleau ou du cylindre opposé au tourillon (13a) d'admission et d'échappement dans la direction radiale.
  12. Rouleau ou cylindre selon la revendication 1, caractérisé en ce que l'élément intérieur (20) est réalisé comme empilement axial ou comme succession axiale de disques (21) en forme de cylindres ou de cylindres creux en métal cellulaire, lesdits disques (21) étant axialement espacés l'un de l'autre le long de l'axe du rouleau ou du cylindre.
  13. Rouleau ou cylindre selon la revendication 12, caractérisé en ce que la succession des disques (21) est obtenue au moyen d'un cylindre ou un cylindre creux en mousse métallique, où plusieurs rainures périphériques axialement espacées sont ménagées avec une largeur définie.
  14. Rouleau ou cylindre selon la revendication 1, caractérisé en ce que les surfaces de délimitation superposées des différents cylindres et/ou cylindres creux sont raccordées l'une à l'autre par liaison de matière.
  15. Procédé de fabrication d'un rouleau ou d'un cylindre destiné à être utilisé dans une machine à imprimer, à transformer ou à laquer, le corps de rouleau ou de cylindre (10) étant fabriqué comme cylindre creux (11) en métal massif, à l'intérieur duquel au moins un élément intérieur (20, 30) constitué au moins partiellement d'un métal cellulaire à pores ouverts est inséré avec correspondance de forme, caractérisé en ce qu'un fluide de thermostatisation est versé dans une structure à pores ouverts de la mousse métallique, dont plus de 40 % des pores sont ouverts et traversés et/ou peuvent être traversés.
EP20090167163 2008-08-19 2009-08-04 Presse pouvant être tempérée Not-in-force EP2156951B1 (fr)

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DE102015211489B3 (de) 2015-06-22 2016-06-30 Thyssenkrupp Ag Rolle zur Umlenkung oder Führung eines zu beschichtenden Metallbandes in einem metallischen Schmelzenbad
DE102015217691A1 (de) * 2015-09-16 2017-03-16 Gallus Druckmaschinen Gmbh Verfahren zur Herstellung eines Rotationskörpers und Rotationskörper
DE102021105926A1 (de) * 2021-03-11 2022-09-15 Koenig & Bauer Ag Transportzylinder, Trocknungseinheit mit diesem Transportzylinder und Bogendruckmaschine mit dieser Trocknungseinheit
CN115157839B (zh) * 2022-07-04 2024-07-02 广东科斯林新材料有限公司 一种塑料薄膜印刷用印刷辊自动冷却系统

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DE19542850C2 (de) * 1995-11-17 1998-07-09 Martinez Jose Ruiz Walze, insbesondere Transport-, Trag- oder Führungswalze, in Verbundbauweise
DE19709672C2 (de) * 1997-03-11 1998-12-24 Koenig & Bauer Albert Ag Zylinder für Druckmaschinen
FI111473B (fi) * 1997-10-14 2003-07-31 Metso Paper Inc Menetelmä kevytrakenteisen telan valmistamiseksi ja menetelmän mukaisesti valmistettu tela
DE19749228A1 (de) * 1997-11-07 1999-06-02 Koenig & Bauer Ag Halbzeug mit Metallschaum-Kern
DE19939775C2 (de) * 1999-08-21 2003-06-12 Siegwerk Druckfarben Gmbh & Co Druckzylinder, Verfahren zu seiner Herstellung und seine Verwendung
DE10250686A1 (de) * 2002-10-31 2004-05-19 Koenig & Bauer Ag Verfahren zum Temperieren eines Ballens eines Rotationskörpers einer Druckmaschine und Rotationskörper einer Druckmaschine mit einem Ballen
DE102004055833A1 (de) * 2004-11-19 2006-05-24 Man Roland Druckmaschinen Ag Walze mit einer Füllung aus einem geschäumten Werkstoff insbesondere für eine Druckmaschine

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DE102008038400B3 (de) 2010-04-08
ES2388334T3 (es) 2012-10-11
EP2156951A3 (fr) 2011-11-02

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