EP1254856B1 - Corps cylindrique d'une machine de traitement de matériau de bande imprimée - Google Patents

Corps cylindrique d'une machine de traitement de matériau de bande imprimée Download PDF

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Publication number
EP1254856B1
EP1254856B1 EP02007374A EP02007374A EP1254856B1 EP 1254856 B1 EP1254856 B1 EP 1254856B1 EP 02007374 A EP02007374 A EP 02007374A EP 02007374 A EP02007374 A EP 02007374A EP 1254856 B1 EP1254856 B1 EP 1254856B1
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EP
European Patent Office
Prior art keywords
cylindrical body
conical elements
diameter
effective diameter
conical
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.)
Expired - Lifetime
Application number
EP02007374A
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German (de)
English (en)
Other versions
EP1254856A2 (fr
EP1254856A3 (fr
Inventor
Stephen Franklin
Robert Richard Murray
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.)
Goss International Americas LLC
Original Assignee
Goss International Americas LLC
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 Goss International Americas LLC filed Critical Goss International Americas LLC
Priority to EP06017757A priority Critical patent/EP1731460B1/fr
Publication of EP1254856A2 publication Critical patent/EP1254856A2/fr
Publication of EP1254856A3 publication Critical patent/EP1254856A3/fr
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Publication of EP1254856B1 publication Critical patent/EP1254856B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/02—Advancing webs by friction roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/20—Delivering or advancing articles from machines; Advancing articles to or into piles by contact with rotating friction members, e.g. rollers, brushes, or cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/40—Shafts, cylinders, drums, spindles
    • B65H2404/41—Details of cross section profile
    • B65H2404/411—Means for varying cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/32—Torque e.g. braking torque

Definitions

  • the present invention relates to a cylindrical body according to the preamble of claim 1.
  • the present invention relates to a method for changing the effective diameter of a cylindrical body according to the preamble of claim 10.
  • Inking rollers dampening rollers
  • plate cylinders blanket cylinders
  • web-guiding cylinders e.g. Inking rollers, dampening rollers, plate cylinders, blanket cylinders and web-guiding cylinders.
  • a circumferentially-variable rotating body for rotary printing presses which comprises a shaft on which a circumferentially adjustable cylinder-like support element is arranged.
  • a cylindrical coil spring is disposed over the support member and connected at one side directly or indirectly to the shaft.
  • On the other side of the coil spring is a means for relative movement of the turns of the spring in the circumferential direction to selectively change the diameter of the coil spring.
  • the cylinder may be used as a blanket cylinder, a diverter cylinder for diverting a web of material having a diameter adaptable to different paper thicknesses, or as a belt pulley for varying the speed for flat belt transmissions.
  • DE 1 097 452 describes a printing cylinder consisting of a conical support cylinder and an internally conical, detachable jacket for rotary printing presses with two cooperating cylinders.
  • a pressure fluid in a helical groove By a pressure fluid in a helical groove, the sleeve is stretched to remove or postpone it to the support cylinder.
  • the sleeve fits snugly on the support cylinder when it is not pressurized.
  • the pressurized fluid system is complicated and no axial motion device is disclosed.
  • An alternative or additional object of the invention is to provide better control of the torque for cylindrical bodies in printing presses.
  • a cylindrical body according to the invention of a variable diameter substrate processing machine comprises a plurality of first conical elements and a plurality of second conical elements cooperating with the first conical elements and axially movable with respect to the first conical elements, the effective diameter of the cylindrical body being in Dependent on the axial movement between the first and second conical elements is variable, and is characterized in that the first and second conical elements define the outer surface of the cylindrical body.
  • variable effective diameter over the effective width of the cylindrical body is substantially the same for a given positioning of the conical elements.
  • Cylindrical here refers to a substantially cylindrical outer surface, which, however, does not have to be completely cylindrically shaped. If the conical elements are moved away from their zero position, z. B. arise a slight rosette shape.
  • the first conical elements may have first contact surfaces, which contact second contact surfaces of the second conical elements at least in sections, wherein the first conical elements and the second conical elements are arranged alternately in the circumferential direction of the cylindrical body.
  • first and second contact surfaces are in contact over the entire effective width of the cylindrical body.
  • the cylindrical body is preferably a rotating cylindrical body, the surface of which in particular has no openings.
  • the effective diameter can be adjusted in a simple manner, wherein an outer surface is provided without openings, so that the inventive body z. B. as Paint roller can be used, on the outer surface of which color is transported.
  • the cylindrical body is preferably connected to a torque control by means of which the torque of a motor driving the body can be changed or controlled by changing the diameter of the body.
  • the cylindrical body according to the invention can, for. Example, as a plate cylinder and a blanket cylinder of a printing press are used, both of which have a variable diameter and are driven independently of each other by a separate motor.
  • a plate cylinder and a blanket cylinder of a printing press are used, both of which have a variable diameter and are driven independently of each other by a separate motor.
  • the torque of the two motors driving the cylinders can be changed to distribute the torque in an appropriate manner to the two motors.
  • This arrangement can help to solve the torque distribution problem that occurs in printing presses with cylinders driven by separate motors driven by each other.
  • the number of first and second conical elements is preferably odd and z. B. 3, 5, 7 or 9.
  • the cylindrical body according to the invention can be used as a blanket cylinder, as a plate cylinder or as another press cylinder, e.g. Example, as an inking roller or a dampener, be formed whose diameter z. B. for removing, pulling and secure fastening a tubular blanket, a pressure plate or other pressure sleeve on the outer surface of the cylindrical body or to change the amount of liquid supplied (eg., Dampening agent or color) should be adjustable.
  • liquid supplied eg., Dampening agent or color
  • the cylindrical body may also have an outer gap into which both ends of a pressure plate or blanket placed around the cylindrical body are inserted can be. Subsequently, the effective diameter can be increased to secure the flat pressure plate securely.
  • the cylindrical body can also be used to form a web or signatures either directly or via an elastic element, e.g. B. a blanket to contact.
  • the cylindrical body may act as a driving roller or a contact driven cylindrical variable radius roller offering the possibility of finely adjusting a rotational speed or varying a section length.
  • the web tension can be controlled in an exit area or an entry area or in an area between two transfer columns. With superimposed webs it is also possible to control the speed of the upper and lower webs.
  • the diameter of the cylindrical body by changing the diameter of the cylindrical body, it may be brought into contact or out of contact with another object, or the contact pressure between the cylindrical body and another object may be changed.
  • the diameter adjuster of a group of conical elements may comprise a motor with an internally threaded shaft and with a second internally threaded shaft fixedly connected to the conical elements.
  • a coupling may be provided, which allows in the engaged state, a common rotation of the two shafts and in the disengaged state, the implementation of a setting operation.
  • a printing device comprises a first rotating cylindrical body having a plurality of first conical elements and a plurality of second conical elements cooperating therewith relative to the first conical elements Axially movable elements, wherein the first and second conical elements define an outer surface of the body, the diameter of which is variable in dependence on the axial movement between the first and second conical elements.
  • the apparatus of the present invention may include a second rotating cylindrical body forming a transfer nip with the first rotating cylindrical body, a first motor for driving the first cylindrical body, a second motor for driving the second cylindrical body, and a torque controller for distributing the torque between comprise first and second motors in response to an effective diameter of the first rotating cylindrical body.
  • the second cylindrical body is also preferably a cylindrical body of variable diameter.
  • the cylindrical body of variable diameter is preferably laterally register adjustable.
  • the effective diameter may be changeable by less than 10% or less than 1% of a minimum effective diameter.
  • An inventive method for changing the effective diameter of a cylindrical body in a printing machine wherein the effective diameter of the body is changed by axially moving a plurality of first conical elements with respect to these cooperating second conical elements, provides that a substantially closed outer surface by means of the outwardly facing surfaces of the first and second conical elements is formed.
  • the cylindrical body can be rotated and be part of a printing press.
  • the torque of a drive motor for the cylindrical body is changed by a change in the effective diameter.
  • the method may further comprise a change in the ink or fountain solution supply depending on the diameter of the cylindrical body.
  • a printing forme, z As a blanket or a printing plate supported by a change in the effective diameter of the cylindrical body is applied to the cylindrical body.
  • the slip at a transfer nip, the web speed, the web tension between two transfer nips and / or the web tension in an exit or entrance area can be controlled.
  • the method according to the invention can also be used to bring the surface of the cylindrical body into contact with another object or to remove it and / or to change the contact pressure between the cylindrical body and another object.
  • an inventive body can be used as a cutting, folding, or collecting cylinder.
  • the method may also provide that the cylindrical body is moved laterally by moving the first and second conical elements in the same direction when the first and second conical elements are independently driven.
  • a combination of change in diameter and lateral movement is possible with the body according to the invention or the method according to the invention.
  • printing form means any cover of a printing press cylinder, e.g. As a blanket, a printing plate or other roller cover.
  • a printing press according to the invention comprises a first cylindrical body of variable diameter comprising opposing first and second conical elements.
  • the printing machine further preferably includes a second cylindrical body forming a transfer nip with the first cylindrical body, a first motor driving the first cylindrical body and a second motor driving the second cylindrical body, and torque control for distributing the torque between the first and second motors depending on the diameter of the cylindrical body of variable diameter.
  • both cylindrical bodies have a variable diameter.
  • variable diameter cylindrical body of the present invention can also be used for side register inspection of a web by moving the first and second conical elements in the same direction without changing the diameter.
  • Fig. 1 shows a cylindrical body 10 having a width (axial length) w and with first conical elements 12a, 12b, 12c, 12d, 12e, 12f and 12g and second conical elements 22a, 22b, 22c, 22d, 22e, 22f and 22g.
  • the first conical elements 12a, 12b, 12c, 12d, 12e, 13f and 12g are each connected on their inner surface, ie on their surface directed towards the axis of rotation, to a first common actuator 112 which comprises seven arms corresponding to the number of first conical elements in which each one of the first conical elements are arranged in the axial direction in such a way that a radial position change is possible.
  • the second Conical elements 22a, 22b, 22c, 22d, 22e, 22f and 22g are attached to a second common actuator 122 in the same manner.
  • the first and second conical elements are interconnected in such a way that they are movable or displaceable relative to each other, for. B. via a dovetail guide or Profilnutharm 30th
  • an actuator 112 is shown schematically in more detail.
  • the arms 212 of the actuator 112 are fixedly connected to the first conical elements and to a plate 312, which in turn is fixedly connected to a shaft 412.
  • the shaft 412 has an external thread 413 at one end.
  • the actuator 112 further includes a drive motor 60 having a drive shaft 62 connected to a female threaded portion 63.
  • the internal thread 63 cooperates with the thread 413 of the shaft 412.
  • a clutch 64 for selectively engaging and disengaging the shaft 62 with respect to the shaft 412. When the cylindrical body 10 shown in Fig. 1 is to be driven, the clutch 64 is engaged so that the two shafts Rotate 62 and 412 together.
  • the motor 60 is preferably stationary so that the shaft 62, with the motor 60 and disengaged clutch 64 disengaged via the female threaded portion 63, causes the male thread 413 to move the shaft 412, plate 312 and arms 212 away from or toward the motor 60 emotional.
  • a further drive or motor can also be provided for the rotational driving of the body 10.
  • the actuator 122 for the second conical elements may have a mirror-inverted arrangement compared to the actuator 112. However, the actuator 122 may be formed stationary in the axial direction and have no motor, in which case only the first conical elements are axially movable.
  • the actuator 112 can therefore cause an axial movement of the first conical elements with disengaged clutch 64 via the motor 60.
  • the clutch 64 When the clutch 64 is engaged, the entire cylinder can be driven by the motor 60 or by both Motors are driven when the second actuator 122 is also a motor is arranged.
  • actuators there are also other actuators conceivable. However, in one mode of operation, they must allow common rotation of the first and second conical elements and, in a cylinder adjustment mode, axial movement of the first conical elements relative to the second conical elements.
  • Fig. 2 shows the cylindrical body 10 of Fig. 1 in a state in which the shaft 412 and the first conical elements 12a, 12b, 12c, 12d, 12e, 12f and 12g are displaced away from the second conical elements. Adjacent conical elements are thereby moved or displaced in opposite axial directions, the movements taking place such that the adjacent conical elements do not touch or overlap in the region of the cone base in order to reduce the diameter of the cylindrical body. In this way, the effective circumference decreases slightly, so that the diameter also slightly reduces depending on the angle of the slope or the conicity of the elements and the length of the movement path. So very fine diameter adjustments, z. In the range of 1% or less. This reduces the effective width of the cylindrical body, i. the width that can be used during operation.
  • the cylinder 10 shown in Fig. 1 is shown in a state in which the shaft 412 and the first conical members 12a, 12b, 12c, 12d, 12e, 12f, 12g have been moved toward the second conical members.
  • adjacent conical elements are moved or displaced in opposite axial directions in such a way that the elements do not touch or overlap in the region of the cone tip.
  • the effective circumference of the cylinder 10 has thereby increased slightly, so that the effective Diameter is slightly larger. In this case also the effective width of the cylindrical body is reduced.
  • the element 12a has an end 88.
  • the cylinder may comprise any number of first conical elements, but preferably an odd number, and in particular 3, 5, 7 or 9 conical elements. The same number of second conical elements can be provided.
  • a preferred taper of the elements can be determined by drawing a distance of a length L representing an axis. L corresponds to the width of the cylinder to be produced or is greater than this. At one end, a plane orthogonal to the line L is drawn. In the plane, a circle is drawn whose center lies on the axis. At a uniform distance from one another, an odd number n of points on the circumference of the circle corresponding to the desired number of first conical elements is distributed. Any one of these points is connected by two straight lines A, B to the two farthest points on the circle. The two planes formed by the straight lines A and B, respectively, and the midpoint of the path L define the sides of a conical element, but the ends of the conical element can be cut off.
  • the length L can z. B. be chosen so that it is three times the actual length of the cylinder, so that two thirds are cut off.
  • a 2n corresponding number of conical elements must be prepared and z. B. are positioned slidably together via a dovetail guide or a profile groove, so that they form the cylinder 10.
  • the length L can be determined on the basis of design requirements, eg based on the consideration of how much the diameter should be variable and how wide (axial extent) the cylinder should be.
  • the contact surfaces of the conical elements are preferably displaceable relative to each other in such a way that the surfaces remain constantly in contact with each other over the effective width of the cylinder.
  • a rosette shape may be formed when the first and second conical elements are displaced relative to each other to increase or decrease the diameter. This rosette shape, the is explained in more detail with reference to FIGS. 6 and 7, however, remains negligible and does not affect the print quality in a printing press.
  • Fig. 6 shows the end of the cylindrical body 10 shown in Fig. 1 in the zero position with an effective diameter d.
  • the outer surface of the body 10 formed by the outer surface of the conical elements 12a, 22a, 12b, 22b, etc. is completely cylindrical.
  • the surface portion 72a formed by the element 12a and the outer surface 72 accordingly have the same curvature.
  • Fig. 7 shows the end or the side 88 of the cylindrical body 10 in the state shown in Fig. 3.
  • the elements 12a, 12b, 12c, etc. have been moved outwardly toward each other by a movement of the elements towards each other, so that the effective diameter is now d + ⁇ d.
  • the effective diameter is formed by the centers 74 of the circular arc line of the conical elements 12a, 22a, 12b, 22b, etc., since these points are farthest from the center of the body 10.
  • the distance z of the points 73 remote from the points 74 from the center of the body 10 is slightly smaller than the distance of the points 74 from the center of the body 10, which is evident from the fact that z is smaller than (d + ⁇ d) / 2.
  • the outer surface remains substantially cylindrical and therefore remains suitable for almost all applications in a printing press, since the conical elements have little, e.g. B. in the percentage range or less (that is, for example, less than one percent of their axial extent) are shifted from each other.
  • the conical elements are constructed in such a way that the effective diameter remains the same over a change over the entire effective width of the body.
  • FIG. 5 is a schematic representation of an embodiment of a printing unit of a printing press 1.
  • a first plate cylinder C1 is in operative contact with a first blanket cylinder C2 at a transfer nip.
  • the blanket cylinder C2 forms with a second blanket cylinder C3 a transfer nip through which a Material web, z. B. a paper web is performed.
  • a second plate cylinder C4 is in operative contact with the second blanket cylinder C3.
  • Each cylinder C1, C2, C3, C4 is driven by its own motor M1, M2, M3, M4.
  • Each of the motors has a specified rated power K1, K2, K3 or K4, where Ktotal is the sum of the rated power.
  • Each of the cylinders C1, C2, C3, C4 has a variable diameter and preferably comprises conical elements similar to the conical elements of the cylinder 10 shown in Fig. 1, but with two position controls at each end.
  • the power distribution can be z. B. occur when starting the printing press or after several seconds of data acquisition by means of a low-frequency controller with a relatively large dead time.
  • the motors M1, M2, M3 and M4 all have the same rated power, and the motor M1 drives all the cylinders since the contact pressure at the transfer nip is so strong that the torque currents I2, I3 and I4 have a very low or no value exhibit.
  • P1 would be set to -I1 / Ktotal + I1 / K1, giving a positive number
  • P2 would be the negative value of that amount (i.e., multiplied by -1).
  • the diameter of the cylinder C1 would be reduced
  • P3, P5 and P7 would be set to -I1 / Ktotal
  • P4, P6, P8 to I1 / Ktotal so that the cylinder diameter would be increased.
  • the torque would be more evenly distributed to the engines, since the contact pressure at the transmission gap formed between the cylinders C1 and C2 would be reduced.
  • the values calculated for P1-P8 represent adjustment values which have to be added to the control variables. to achieve the same current in all motors when the scale factor between position and torque or current is 1.
  • P3, P5 and P7 would be set to -1 / 4I1 / K1, and P2, P4 and P6 would be set to the negative of that amount.
  • I1 / K1 100%.
  • a feedback circuit may also be provided to alter the diameter, for example, in an iterative process and thereby equalize the torque currents I1 I2, I3, I4 for motors of similar rated power.
  • the side register of the plates can be adjusted by moving the first and second conical elements of a cylinder in the same direction, the diameter remaining unchanged.
  • Fig. 8 shows an offset printing machine 50 with a blanket cylinder 51, a plate cylinder 52, an inking roller 53 and a fountain solution applicator roller 54.
  • a blanket cylinder 51 On the blanket cylinder 51, an axially removable, sleeve-shaped blanket be applied, which can be applied by increasing its diameter.
  • a blanket is z.
  • a flat pressure plate On the plate cylinder, a flat pressure plate may be applied, which extends at both ends in an axially extending gap in the cylinder 52 inside. Subsequently, the diameter of the plate cylinder 52 is increased.
  • a sleeve-shaped pressure plate may be used, or the cylinder may be formed as a cylinder with a directly imageable outer surface.
  • the rollers 53 and 54 may have an outer rubber coating or be uncoated. By changing the diameter of the rollers, the ink and fountain solution supply can be changed, and the rollers 53, 54 can be turned off the printing plate so that they no longer contact them.
  • the printing machine 50 further comprises a second blanket cylinder 55 and a second plate cylinder 56, which may be similar to the cylinders 51 and 52, respectively.
  • a web 59 - or more superimposed web strands - is or are formed by a between the two blanket cylinders 51, 55 Transmission gap led.
  • the web can also be passed through a gap formed between cylindrical bodies 57, 58, wherein the cylindrical bodies 57, 58 may be blanket cylinders of another printing unit.
  • the tension in the web between the two columns can be controlled by changing the diameter of the cylindrical bodies, since the tension at the entrance and exit of the nip is controllable.
  • the cylindrical body according to the invention can also be used to change the section length in a folder and to change a trajectory of a folding cylinder in response to a change in the cylinder diameter. As a result, signatures of different section lengths can be generated or folded.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Winding Of Webs (AREA)
  • Advancing Webs (AREA)
  • Printing Methods (AREA)

Claims (12)

  1. Corps cylindrique (10) de diamètre variable (d) avec une multitude de premiers éléments coniques (12a-g) et avec une multitude de deuxièmes éléments coniques (22a-g) qui agissent conjointement avec les premiers éléments coniques (12a-g) et peuvent être déplacés de manière axiale par rapport aux premiers éléments coniques (12a-g), le diamètre effectif (d) du corps cylindrique (10) étant modifiable en fonction du mouvement axial entre les premiers et les deuxièmes éléments coniques (12a-g, 22a-g), les premiers et deuxièmes éléments coniques (12a-g, 22a-g) définissant la surface extérieure du corps cylindrique (10),
    caractérisé en ce que
    le corps cylindrique est un corps d'une machine de traitement de matériau de bande imprimée et en ce que le corps cylindrique (10) est conçu comme un cylindre de plaque (52, 56), un cylindre porte-blanchet (51, 55), un rouleau toucheur-encreur (53) ou un rouleau toucheur-mouilleur (54) d'une machine à imprimer.
  2. Corps cylindrique selon la revendication 1,
    caractérisé en ce que
    le diamètre effectif variable (d) est pour l'essentiel identique sur la largeur effective (w) du corps cylindrique (10) pour un positionnement donné des éléments coniques (12a-g, 22a-g).
  3. Corps cylindrique selon la revendication 1 ou 2,
    caractérisé en ce que
    les premiers éléments coniques (12a-g) présentent des premières surfaces de contact qui entrent en contact au moins sur certaines sections avec des deuxièmes surfaces de contact des deuxièmes éléments coniques (22a-g), les premiers éléments coniques (12a-g) et les deuxièmes éléments coniques (22a-g) étant disposés par alternance dans le sens de la circonférence du corps cylindrique (10).
  4. Corps cylindrique selon la revendication 3,
    caractérisé en ce que
    les premières et deuxièmes surfaces de contact sont en contact sur toute la largeur effective du corps cylindrique (10).
  5. Corps cylindrique selon l'une quelconque des revendications précédentes,
    caractérisé par
    un dispositif de réglage du diamètre (112, 122) pour commander le diamètre effectif (d) du corps cylindrique (10) par déplacement des premiers éléments coniques (12a-d) par rapport aux deuxièmes éléments coniques (22a-d).
  6. Corps cylindrique selon la revendication 5,
    caractérisé en ce que
    le dispositif de réglage du diamètre (112) comporte un arbre (412) doté d'un filetage (413).
  7. Corps cylindrique selon l'une quelconque des revendications précédentes,
    caractérisé par
    un deuxième corps cylindrique en rotation qui forme avec le premier corps cylindrique en rotation (10) une fente de transmission, un premier moteur (M1) pour entraîner le premier corps cylindrique (10), un deuxième moteur (M2) pour entraîner le deuxième corps cylindrique et une commande de couple de rotation pour répartir le couple de rotation entre le premier et le deuxième moteur (M1, M2) en fonction d'un diamètre efficace (d) du premier corps cylindrique en rotation (10).
  8. Corps cylindrique selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le corps cylindrique (10) à diamètre variable est réglable latéralement grâce à des registres en déplaçant les premiers et deuxièmes éléments coniques du corps dans le même sens.
  9. Corps cylindrique selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le diamètre effectif (d) est modifiable de moins de 10 % ou de moins de 1 % par rapport à un diamètre effectif minimal.
  10. Procédé de modification du diamètre effectif (d) d'un corps cylindrique (10), le diamètre effectif (d) du corps étant modifié par un déplacement axial d'une multitude de premiers éléments coniques (12a-g) par rapport à des deuxièmes éléments coniques (22a-g) agissant conjointement avec eux,
    avec l'étape de procédé suivante :
    formation d'une surface extérieure pour l'essentiel fermée au moyen des surfaces dirigées vers l'extérieur des premiers et deuxièmes éléments coniques (12a-g, 22a-g),
    caractérisé en ce que
    le corps cylindrique est un corps cylindrique selon l'une quelconque des revendications précédentes.
  11. Procédé selon la revendication 10,
    caractérisé en ce que
    le couple de rotation d'un moteur d'entraînement (M1-M4) pour le corps cylindrique (10) est modifié en modifiant le diamètre effectif (d).
  12. Machine à imprimer, en particulier presse rotative,
    caractérisée par
    un corps cylindrique selon l'une quelconque des revendications 1 à 9.
EP02007374A 2001-04-30 2002-04-09 Corps cylindrique d'une machine de traitement de matériau de bande imprimée Expired - Lifetime EP1254856B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06017757A EP1731460B1 (fr) 2001-04-30 2002-04-09 Corps cylindrique d'une machine de traitement de matériau de bande imprimée

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US845556 2001-04-30
US09/845,556 US6546867B1 (en) 2001-04-30 2001-04-30 Variable-diameter cylindrically-shaped body

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP06017757A Division EP1731460B1 (fr) 2001-04-30 2002-04-09 Corps cylindrique d'une machine de traitement de matériau de bande imprimée

Publications (3)

Publication Number Publication Date
EP1254856A2 EP1254856A2 (fr) 2002-11-06
EP1254856A3 EP1254856A3 (fr) 2004-01-21
EP1254856B1 true EP1254856B1 (fr) 2006-12-27

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EP06017757A Expired - Lifetime EP1731460B1 (fr) 2001-04-30 2002-04-09 Corps cylindrique d'une machine de traitement de matériau de bande imprimée
EP02007374A Expired - Lifetime EP1254856B1 (fr) 2001-04-30 2002-04-09 Corps cylindrique d'une machine de traitement de matériau de bande imprimée

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EP06017757A Expired - Lifetime EP1731460B1 (fr) 2001-04-30 2002-04-09 Corps cylindrique d'une machine de traitement de matériau de bande imprimée

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US (1) US6546867B1 (fr)
EP (2) EP1731460B1 (fr)
JP (1) JP4404519B2 (fr)
CN (1) CN1298532C (fr)
AT (2) ATE542765T1 (fr)
DE (2) DE50209045D1 (fr)

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CN107233959A (zh) * 2017-06-21 2017-10-10 河池市森机械有限责任公司 辊式破碎机
CN109484007B (zh) * 2018-07-04 2021-01-29 重庆宏声印务有限责任公司 一种胶印工艺中的可变套筒
CN109179036B (zh) * 2018-08-24 2023-12-29 天津市天塑滨海氟塑料制品有限公司 一种车削膜张力辊
CN109291671B (zh) * 2018-09-21 2021-01-05 杭州钱塘彩印包装有限公司 一种增加胶与印刷产品附着力的彩箱制造方法
CN109397733B (zh) * 2018-10-12 2024-02-27 北京晟智科技发展有限公司 一种带自动控制的有机废弃物挤压装置
CN111270634A (zh) * 2020-03-25 2020-06-12 安徽安康塑业有限公司 一种可变扫路刷总成
CN111702820B (zh) * 2020-05-21 2022-04-15 无锡宏义高分子材料科技有限公司 一种水果包装pvc吸塑材料分切机
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CN112297605A (zh) * 2020-10-10 2021-02-02 山东华冠智能卡有限公司 一种基于石墨烯导电浆料的rfid天线印刷设备
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Also Published As

Publication number Publication date
DE10215705A1 (de) 2002-10-31
CN1298532C (zh) 2007-02-07
US6546867B1 (en) 2003-04-15
EP1254856A2 (fr) 2002-11-06
DE50209045D1 (de) 2007-02-08
JP4404519B2 (ja) 2010-01-27
EP1254856A3 (fr) 2004-01-21
ATE542765T1 (de) 2012-02-15
ATE349391T1 (de) 2007-01-15
EP1731460B1 (fr) 2012-01-25
CN1383980A (zh) 2002-12-11
JP2003040496A (ja) 2003-02-13
EP1731460A1 (fr) 2006-12-13

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