EP0924072B1 - Procédé d'opération d'une machine rotative d'impression et dispositif dans une machine rotative d'impression - Google Patents

Procédé d'opération d'une machine rotative d'impression et dispositif dans une machine rotative d'impression Download PDF

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Publication number
EP0924072B1
EP0924072B1 EP98122118A EP98122118A EP0924072B1 EP 0924072 B1 EP0924072 B1 EP 0924072B1 EP 98122118 A EP98122118 A EP 98122118A EP 98122118 A EP98122118 A EP 98122118A EP 0924072 B1 EP0924072 B1 EP 0924072B1
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EP
European Patent Office
Prior art keywords
stroke
set forth
roller
printing
ink
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
EP98122118A
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German (de)
English (en)
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EP0924072A1 (fr
Inventor
Hermann Beisel
Rudi Junghans
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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Publication date
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Priority to EP00120285A priority Critical patent/EP1068955B1/fr
Publication of EP0924072A1 publication Critical patent/EP0924072A1/fr
Application granted granted Critical
Publication of EP0924072B1 publication Critical patent/EP0924072B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/15—Devices for moving vibrator-rollers

Definitions

  • the invention relates to a method for operating a rotary printing press, according to the preamble of claim 1 and an apparatus for performing the Method in a rotary printing press, according to the preamble of claim 11.
  • EP 0 705 692 A1 describes a method and a device for changing over described an inking system, which the aforementioned shortcomings of Do not eliminate the state of the art.
  • the device according to the invention is known to change the Stroke size of the lateral trituration devices are used with which the Stroke of a rotating friction roller increased and decreased with the inking unit running can be.
  • DE 36 29 825 A1 describes a device for axially adjusting the friction rollers with which the axial movement of the friction rollers from 0 to a maximum and a regulation segment with a drive groove includes.
  • the regulating segment can be rotated on an axis in a side wall stored.
  • the invention has for its object in the operation of a Rotary printing machine waste due to brief interruptions to minimize.
  • the object is achieved by a method having the features of claim 1 and by solved a device with the features of claim 11.
  • the inventive method for operating an inking unit with at least an inking roller which oscillates axially with a variable stroke amplitude comprehensive rotary printing press in which the rotary printing press is operated first in an operating mode "pressure interruption", the Ink roller with minimal stroke oscillates, and then in an operating mode "Printing operation” is operated, the inking roller oscillating with normal stroke, is characterized in that the stroke amplitude of the inking roller before the start of Printing operation is enlarged.
  • the invention is based on the observation that when operating a Printing machine in the manner corresponding to the state of the art for a restoration of the printing status necessary and after Resumption of adjustment and compensation operations cause a relatively high amount of waste in the inking unit.
  • the invention recognized that waste can be minimized if the compensation processes during the pressure interruption and especially before putting on the Ink application roller or rollers take place on the printing form for the inking.
  • By reinserting the lateral rubbing before the one stop The following renewed start of printing is made use of the thixotropy of Printing ink an optimal liquefaction of the printing form for the coloring of the printing form Ink reached. Printing begins when the substrate is printed again Printing unit transported and printed in this, for. B.
  • Blanket cylinder first a printing form cylinder and then to the Counter-pressure cylinders and in Dilitho rotary printing machines line up a printing form cylinder and an impression cylinder triggered become.
  • the blanket cylinder can be moved from the Printing form cylinder and of impression cylinder or can printing form cylinder and Counter pressure cylinders are parked apart.
  • the stroke amplitude of the friction roller can be from one in the first operating mode stopped axial stroke or a very small stroke, e.g. B. 1 mm, starting be enlarged.
  • the stroke amplitude can be on the normal stroke, which is a ensures favorable lateral rubbing during printing, or on a different relative to the normal stroke amplitude, d. H. bigger or smaller, Stroke amplitude can be increased.
  • Stroke amplitude can be increased.
  • After increasing the stroke amplitude in first operating mode can be maintained while maintaining this stroke amplitude there is a transition to the second operating mode.
  • enlargement can also reduce the stroke amplitude, e.g. B. on the minimum stroke, take place, with the command "pressure on" the stroke amplitude at Resumption of printing operations is increased again.
  • the command "pressure on” can also be a line, one, several or preferably all inking rollers on the printing form to color it trigger.
  • the inking roller is or are Ink application rollers during the first mode of operation from the printing form turned off and turned on the printing form during the second operating mode.
  • a previously interrupted one can also be used Printing ink supply from a color reservoir into the inking unit is reactivated become.
  • dampening solution can be used for pre-moistening the inking unit by a dampening solution supply device, e.g. B. on the printing press anyway
  • a dampening solution supply device e.g. B. on the printing press anyway
  • Existing dampening system can be fed with rollers.
  • the Inking unit can be designed differently depending on the type of printing press, whereby the distance of the inking roller with variable stroke amplitude to this Depending on the machine type z. B. due to different numbers of intermediate inking rollers can be of different sizes.
  • The can vary accordingly Period of time (reaction time) until the dampening solution supplied over the Ink roller train flows to the inking roller, or is conveyed.
  • the pre-dampening dampening solution can be used before, after or are preferably supplied simultaneously with the increase in the stroke amplitude. It is essential in this advantageous embodiment of the invention that the inking unit Dampening solution is supplied while the inking roller with an opposite Minimal stroke increased stroke amplitude oscillates.
  • one that can be operated with a variable fountain solution delivery rate Dampening can be used, with this in the pre-moistening opposite the normal operation of increased output works.
  • This can be done with a Lifter dampening the lifter cycle and for a film dampening the Rotation speed of the rollers, e.g. B. a plunger and one Dosing roller, can be increased.
  • the length of time for pre-wetting and side wetting Rubbing with increased stroke amplitude can be limited to a certain number Revolutions of the printing unit cylinders (machine revolutions) related and in Depending on other operating parameters of the printing press controlled as well be variably preselectable.
  • a dampening unit For planographic printing presses with an inking unit and a dampening unit can be pre-moistened by at least one of the inking units with the dampening unit at least temporarily connecting roller take place over which the dampening solution from Dampening unit in the inking unit, e.g. B. is promoted directly to an inking roller.
  • the Pre-wetting of the inking unit can be carried out at the same time as pre-wetting the Printing form, e.g. B. with a dampening roller applied to the printing form and ink application rollers parked by the printing form.
  • This variant is advantageous if the printing operation starts again immediately after the pre-moistening is recorded.
  • Pre-moistening can also take place from the printing form parked inking rollers and also dampening roller respectively. This variant is when the start of printing is delayed for pre-moistening advantageous.
  • the printing unit, the inking unit and the dampening unit can be coordinated can be controlled to each other by an electronic control device. This can the on and off movements of the printing unit cylinder and the on and Parking movements of the inking rollers and the dampening roller on and control from the printing form cylinder.
  • the printing unit, the inking unit and the dampening unit Controlling electronic control device also the device according to the invention controls to change the stroke amplitude and in particular their actuator.
  • the inventive device for performing the method and Changing the stroke amplitude of at least one axially oscillating inking roller in an inking unit of a rotary printing press the friction roller through a friction stroke drive can be driven via a friction stroke transmission, which is a Backdrop with a groove and a sliding block movable in the groove includes and the backdrop of a first transmission link and the sliding block of one second transmission link of the friction lifting gear is carried and both Gear elements that can be driven by the friction stroke drive are characterized by this from that the backdrop is adjustable from a first position to a second position is arranged relative to the first gear member to the stroke amplitude of the inking roller enlarge before printing begins.
  • the method according to the invention is particularly favorable feasible because the device changes the stroke amplitude very quickly the inking roller at low, to be applied by the actuator for adjustment Actuators, enables.
  • the backdrop guide acts according to the invention as an optional, in particular from a first to a second position and from the second to the first position, adjustable carrier.
  • the backdrop with the sliding block can an oscillating drive movement - depending after whether the backdrop or the link that carries the sliding block the driving or the driven gear link is - from the first gear link the second gear link or from the second gear link to the first gear link be transmitted.
  • the backdrop on a first movable Gear link and the sliding block on a second movable gear link of the friction lifting gear and the adjustability of the setting compared to this load-bearing gear member can by a, especially with regard to Linkage, simplified construction of the friction lifting gear the installation space better exploited and the manufacturing costs can be reduced.
  • a groove with a bottom surface (bottom) as well as an elongated hole without floor space and under a sliding block both a sliding block be understood as a role as well.
  • the sliding block can be circular (e.g. bolt) or polygonal (e.g. square) cross section.
  • the backdrop of an actuator from the first in the second position is adjustable, the actuator being electronic Control device, in particular controlled by the method according to the invention can be.
  • the actuator being electronic Control device, in particular controlled by the method according to the invention can be.
  • the Use of a double-acting or actable in both directions Pneumatic cylinder is advantageous because the backdrop is very secure in the corresponding positions can be held.
  • the invention The method and the device are in sheet-fed and web-fed rotary printing machines applicable.
  • Each printing unit 2 comprises a planographic printing device which, like shown, from the printing form cylinder 3, the blanket cylinder 4 and the Impression cylinder 5 can exist.
  • Each printing unit also contains 2 Inking unit 6 and a dampening unit 7, which are shown in simplified form in FIG. 1.
  • the printing press 1 is supported by a central electronic control device 8 controlled by a microprocessor 9. The operator can control the processes check and influence the control panel 10.
  • the control device 8 controls the Printing units 2 and in particular the on and off movements of the cylinders 3, 4, 5 to each other as well as the inking unit 6 and the dampening unit 7 of each printing unit 2.
  • the inking unit 6 and the dampening unit 7 of the printing press 1 are from the Fig. 1 shown in more detail.
  • the ink is in one of the ink fountain 11 and the ink fountain roller 12 existing ink reservoir stored.
  • the ink fountain 11 is equipped with a metering device 13 for zonal printing ink metering, which are lined up next to each other parallel to the ink fountain roller axis zone-wide control elements.
  • the reciprocating jack roller 14 transmits a profile with different crossways to the printing direction Color layer thicknesses in the individual zonal metering areas Printing ink from the ink fountain roller 13 onto the first inking roller 15.
  • this includes the inking unit 6 a second, third and fourth driven Rubbing roller 16, 17, 18, a first seen in the direction of rotation of the printing form cylinder 3 Ink application roller 19 and further ink application rollers 20, 21, 22 for application the printing ink on the printing form 23.
  • the dampening unit 7 comprises a basin-shaped Dampening solution reservoir 24, in which the dipping roller 25 is partially immersed. On the latter, the metering roller 26 is employed under contact. The dip roller 25 and the Metering roller 26 can be driven at a variable speed, so that on this Way the dampening solution flow rate, z. B.
  • the amount of dampening solution per Machine revolution is changeable so that the inking unit 6 during the Pre-humidification an increased amount of dampening solution compared to printing can be supplied within a short time.
  • the speed of the Rolls 25, 26 with the printing machine speed depending on this be carried along thus a constant minimum humidification with each Machine speed is guaranteed.
  • the one with printing plate cylinder speed rotating dampening roller 27 and the slower rotating metering roller 26 are in contact with each other to form a gap with slip.
  • a dampening roller 28 is employed to the Moist application roller 27, a dampening roller 28 is employed.
  • the intermediate roller 29 is optionally on the inking roller 19 and / or the dampening roller 27 employable.
  • the inking unit 6 and the dampening unit 7 can be integrated in the mode Moisture "operated, the inking roller 19 and the Dampening roller 27 placed on the printing form 23 and by the Intermediate roller 29 are connected.
  • the inking roller 19 carries a color dampening solution emulsion.
  • the "separate dampening" mode it is Intermediate roller 29 separated from at least one of the application rollers 19, 27.
  • the intermediate roller 29 together connected inking unit 6 and dampening unit 7 can pre-wet the Inking unit 6 take place, the inking rollers 19 - 22 from the printing form 23 are turned off.
  • the dampening roller 27 can be switched off from the printing form or, in particular when the printing starts soon, be employed on the printing form.
  • the dampening solution can be pre-moistened with the inking unit different inking roller combinations are supplied.
  • a pre-wetting of the inking unit 6 without this with the dampening unit 7 connecting roller take place via the printing form 23.
  • the automatic control 8 shown in FIG. 1 controls when starting up and after a machine stop the precise execution of all functions and stops the desired amount of dampening solution for each during printing Speed exactly one.
  • the inking unit 6 and the printing form 23 are programmed pre-moistened.
  • the control device 8 controls roller position, in particular the turning on and off of the inking rollers 15-18, and Dampening solution dosing in every phase.
  • everyone can Ink and dampening rollers 19 - 22, 27 can be switched off from the printing form 23.
  • the automatic control releases all the necessary functions automatically, that is the pre-moistening of the printing form 23 and the inking unit 6 About the intermediate roller 29 with the dampening roller 27 and the Production printing with speed-compensated dampening.
  • Multi-color printing press 1 runs the one controlled by the control device 8 Automatic of the individual printing units at exactly the right time one after the other so that each dampening unit starts under optimal conditions.
  • a device is shown with which the stroke amplitude of Rubbing rollers z. B. the dampening roller 28 shown in Figure 2 and / or one or can change several of the inking rollers 15-18 simultaneously.
  • the shown Example refers to the first in the ink roller relative to the ink flow Ink roller 15, the frame 29, z. B. in the side walls of the printing press, is rotatably mounted.
  • the journal 30 carries the driver 31, which one Transfer of the lifting movement to the rotating inking roller 15 enables.
  • the here cuboid sliding block 32 is on the sliding block joint 34 in the Rod 33 rotatably supported and connected to the driver 31 by the latter.
  • the friction stroke drive 35 generates an oscillating drive movement with the amplitude H.
  • This drive movement is transmitted through the rod 36 to the backdrop 37, which is rotatably mounted in the rod 36 via the link joint 38.
  • the Link joint 38 is introduced into the bottom of the groove 40.
  • the backdrop 37 is through the actuator 39 from the first position (shown in full line) to the second position (shown in broken lines) and adjustable back.
  • the adjustment of the backdrop 37 relative to the sliding block 32 takes place in the movement phase in which the Link stone joint 34 and the link joint 38 congruent or in alignment stand on top of each other by setting 37 and setting block 38 simultaneously and be rotated together by an angle of 90 °.
  • the size of the stroke amplitude of the inking roller 15 is in the first position adjusted backdrop 37 different to the stroke amplitude in the second position.
  • Each after the dimensional training of scenery 37 and scenery stone 32 results in In the longitudinal direction and in the width direction of the groove 40, a freewheel of different sizes the difference A - C or B - D of the sliding block 32 in the groove 40 and to the backdrop 37.
  • the sliding block 32 is carried along through the backdrop 37 in both directions. If the game A - C or B - D bigger or is the same size, no take-along.
  • To change the stroke amplitude of the Inking roller 15 must assume the constant drive amplitude H Difference A - C not equal to the difference B - D.
  • the game A - C of z. B. 18 mm assumption slightly, e.g. B. by 2 mm, smaller than twice the amplitude 2 H of z. B. 20 mm the drive movement, so that the stroke amplitude E of the inking roller 15 in both Directions of movement per 1 mm (minimum stroke) is when the link 37 is the first Holds position.
  • the smooth sliding of the sliding block 32 in Longitudinal play B - D perpendicular to the longitudinal direction is essential less than twice the amplitude 2 H and can with z. B.
  • the sliding block 32 can also here in the embodiment shown in the following figures, cylindrical be trained.
  • C and D correspond to the diameter of the Setting stone and to change the stroke amplitude, A must not be equal to B.
  • the the groove 40 in the longitudinal direction delimiting inner surfaces can in this case be semicircular, so that a full surface meeting of The sliding block 32 and the inner surface of the sliding block take place and wear in the form of a knocked out groove 40 is avoided.
  • FIG. 4 shows a preferred embodiment of the device according to the invention shown.
  • the inking rollers 15 and 16 shown in Fig. 2 are here axially moved in opposite directions to each other. It can be provided that beyond that further friction rollers are actuated by the device, e.g. B. in Fig. 2nd shown inking rollers 17, 18 and the dampening roller 28.
  • the device e.g. B. in Fig. 2nd shown inking rollers 17, 18 and the dampening roller 28.
  • For the axial Drive and a change in the stroke amplitude of these additional friction rollers can one of the inking rollers 15; 16 with one or more of the other friction rollers be connected in terms of drive via a rocker of known type (DE 36 29 825).
  • the friction rollers 15, 16 are coupled by the drive 41 via the gear 42 to the rotation of the cylinder 3 of the printing unit rotatively and via the Friction gear 43 driven axially.
  • the Friction lifting gear 43 includes the gears 44-46.
  • the one that functions as a crank Gear 44 forms together with the rod 47 functioning as a crank rod Crank gear 44, 47.
  • the gear 44 has an eccentric to the axis 48 on this arranged crank pin 49, which via the joint 50 with the Rod 47 is connected.
  • the rod 47 is formed with the bolt here Sliding block 32 connected. As shown, this can be in the sliding block joint 34 the rod 47 is rotatably mounted or non-rotatably attached to the rod 47.
  • the Joint 50 and the sliding block joint 34 are each about two axes movable joints trained. As joints are z. B. spherical shells - or Universal joints can be used.
  • the formation of the joints 34, 50 is preferred as Spherical roller bearings or ball bearings, with each self-aligning bearing on one eye End of the rod 47 is added.
  • the inner ring center axis of the self-aligning bearing of the joint 50 runs in the image plane and corresponds to the axis of the Crank pin 49 on which the inner ring sits.
  • the inner ring central axis of the Self-aligning bearing of the joint 34 runs perpendicular to the image plane and corresponds to the Axis of the sliding block 32 on which the latter inner ring sits.
  • the disc-shaped backdrop 37 has a circular arc-shaped slot formed groove 40.
  • the link 37 is in the lever arm 51 of the lever 52 rotatably mounted.
  • the lever 52 has two further lever arms, each of which the drivers 31 are connected to one of the friction rollers 15, 16.
  • the well known Type (DE 36 29 825) trained driver 31 each include a driver roller 53, between two disks attached to the journal 30 or in one Circumferential groove 54 of the journal 30 is guided.
  • the lever 52 is rotatable in the frame 29 mounted, the bracket 55 the lever 52 and the lever axis 56th forming joint carries.
  • the actuator is arranged on the lever 52 and is supported on an outer lever arm of the three-armed lever 52 and that on the middle. Lever arm arranged backdrop 37 from.
  • the actuator 39 shown is as a preferably designed in two directions pneumatic cylinder.
  • the Actuator 39 is dependent on the electronic control device 8 Operating parameters of the printing press controlled. Such a thing Operating parameters can e.g. B. a certain number of revolutions of the Printing form cylinder 3.
  • the control device 8 controls both the drive 41 the printing press or the printing unit and the actuator 39. Furthermore the control device 8 can switch the inking roller 57 on and off control the dampening roller not shown in Figure 4.
  • the controls Control device 8 that turns the application roller 57 on and off Applicator roller actuator 58. It can also be provided that the Drive 58 not only the applicator roller 57, but also the backdrop 37 instead of additional actuator 39 actuated. Furthermore, FIG.
  • valve 60 is an example for everyone mentioned pneumatic cylinder shown that this from a compressed air source 59 a valve 60 can be supplied with compressed air. Hydraulic can also be used Systems are used.
  • the valve 60 shown is a multi-way valve trained and is controlled by the control device 8, for. B. magnetic operated. Via the valve 60, the piston rod 61 of the double-acting Pneumatic cylinders can optionally be extended and retracted.
  • the piston rod 61 is connected via a joint 62 to the backdrop 37, so that this through the Actuator 39 can be rotated around the link joint 34. The angle of twist can be limited by additional stops.
  • the rod 47 carries an oscillating thrust and Pull movement from which on the sliding block 32 engaging in the groove 40 the backdrop 37 is transmitted.
  • this friction stroke drive movement with a lower idling of the sliding block 32 in the backdrop 37 than in a to the first position in substantially vertical second position not shown (without entrainment) on the Link 37 and the lever 52 transferred.
  • the lever 52 is carried over a larger one Swivel angle away.
  • the oscillating friction rollers 15, 16 lead z. B. pro two revolutions of the printing form cylinder 3 a full oscillation back and forth a stroke from or per revolution from the center position to a dead center position and back.
  • the lever 52 thus forms the first gear member and the rod 47 the second Transmission member of the friction-type transmission 43, the link 37 relative to the lever 52 is adjustable and in particular rotatable. Both the lever 52 and the Rod 47 are driven by the drive 41.
  • the lever 52 thereby leads an oscillating pivoting movement about its lever axis 56 and shifts the rotating friction rollers 15, 16 simultaneously in opposite axial directions Directions.
  • One of two dead center positions of the system is shown in the figure.
  • To a rotation of the link 37 by an angle of 90 ° in the second Position of the sliding block 32 has a greater idle, so that the backdrop 37 and the lever 52 not at all or back over a smaller swivel angle be moved. Both of the latter cases correspond to the minimum stroke.
  • Fig. 5 is the rotatable about the lever axis 56 and the first gear member forming lever 52 shown in more detail.
  • the backdrop 37 is the lever arm 51st worn and is rotatable about the link axis 64 in the lever arm 51 in the Bore 61 stored.
  • the sliding block 32 has a circular cross section and the groove 40 is in the form of a circular arc and is in the form of an elongated hole.
  • the Inner surfaces 62, 63 are concentric to the second position Lever axis 56.
  • the mean radius 65 of the groove 40 corresponds to the distance between lever axis 56 and link axis 64.
  • the arc length 66 of the middle The radius corresponds to the groove length A of the straight line shown in FIG. 3 extending groove 40.
  • the groove 40 is arranged centrally to the link axis 64. Furthermore, the sliding block 32 is in the two dead center positions oscillating drive movement shown in dash-dotted lines. It can be seen that the Sliding block 32 in its movement over the groove length, for. B. in the case of here circular arc-shaped groove 40 shown by the pivot angle 68 each included arc length runs out. In this way, a minimum stroke of Rubbing rollers 15, 16 of z. B. mm are generated. With a longer groove 40 or A drive movement over a shorter distance can cause the swivel angle 68 be zero (striking without a middle name) or the sliding block 32 strikes not at all on the groove inner surfaces lying in its direction of movement.
  • Fig. 5 is the first position of the backdrop 37 by the corresponding position of the Groove 40 (shown in dash-dotted lines) indicated. In this position there is a Taking the backdrop 37 through the sliding block 32 over a larger path, see above that an increased stroke amplitude of the friction roller compared to the minimum stroke is effected.
  • FIG. 6 shows a preferred embodiment of the groove 40.
  • the modification compared to the design shown in Fig. 5 consists in a along the Radius 65 belonging arc about the lever axis 56 displaced position of the Groove 40 so that the lying in the direction of movement of the sliding block 32 rounded inner surface 71 of the groove 40 extends coaxially to the link axis 64.
  • On this can be a particularly quick and safe changeover of the Stroke amplitude can be realized, which is preferably in that shown in Fig. 4
  • Fig. 7 is a preferred embodiment of the bearing of the lever 52, the Setting stone 32 and the backdrop 37 shown in a side view.
  • the Sliding block 32 is designed as a bolt, which in the rod 47 and in at least one further lever 69 is mounted. Storage and in particular the storage in two further levers 69 serves to stabilize the bearing Sliding block 32 and minimizes the wear of the groove 40 by a Tilting movement of the sliding block 32 in the groove 40 due to the driving force is prevented. In this way, the game between groove 40 and Make the sliding block 32 sufficiently large so that it runs particularly smoothly Adjustment of the backdrop 37 is possible.
  • the storage of the sliding block 32 in the here the second gear member of the friction-lifting gear rod 47 can advantageously take place by means of a spherical roller bearing 70.
  • the pre-wetting is carried out Printing form 77.1 and the inking unit 77.2, z. B. within three to five Machine revolutions.
  • the following program stage 78 takes place in parallel activation of the siphon roller for supplying ink to the inking unit 78.1, a setting of the inking rollers on the printing form cylinder 78.2, which can be done simultaneously or staggered one after the other, adjusting the speed of the Dosing and immersion roller on normal operation 78.3 and starting the Blanket cylinder to the printing form cylinder 78.4.
  • This is followed by pre-coloring the printing form according to program level 79, e.g. B. within several Machine revolutions.
  • program level 80 the blanket cylinder is switched on the impression cylinder switched on 80.1 and the printing material transport again activates 80.2, so that a production status according to program level 81 is reached.

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  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)

Claims (22)

  1. Procédé pour faire fonctionner une machine à imprimer rotative (1) comprenant un mécanisme d'encrage (6) possédant lui-même au moins un rouleau baladeur d'encrage (15 ; 16 ; 17 ; 18) qui oscille axialement avec une amplitude de course variable, dans lequel on fait fonctionner la machine à impression rotative (1) tout d'abord dans un mode de fonctionnement " interruption de l'impression", dans lequel le rouleau baladeur d'encrage (15) oscille avec une course minimale et, ensuite, dans un mode de fonctionnement "fonctionnement d'impression", dans lequel le rouleau baladeur d'encrage (15) oscille avec une course normale, caractérisé en ce que l'amplitude de course du rouleau baladeur d'encrage (15) est agrandie avant le début du fonctionnement d'impression.
  2. Procédé selon la revendication 1, caractérisé en ce que l'amplitude de course est agrandie pour passer de la course minimale à la course normale.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le mécanisme d'encrage (6) comprend au moins un rouleau toucheur d'encrage (19 ; 20 ; 21 ; 22) qui peut être appliqué contre ou écarté d'une forme d'impression (23) et en ce que l'agrandissement de l'amplitude de course s'effectue alors que le rouleau toucheur d'encrage (19 ; 20 ; 21 ; 22) est écarté de la forme d'impression (23).
  4. Procédé selon la revendication 3, caractérisé en ce que l'agrandissement de l'amplitude de course s'effectue alors que tous les rouleaux toucheurs d'encrage (19, 20, 21, 22) sont dans des positions écartées de la forme d'impression (23).
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que la machine à imprimer rotative(1) est constituée par une machine à imprimer à plat - en particulier une machine à imprimer offset, en ce qu'avant le début du fonctionnement d'impression, il se produit un prémouillage du mécanisme d'encrage (6) et le rouleau baladeur d'encrage (15) oscille alors avec une amplitude de course agrandie comparativement à la course minimale - en particulier avec une course normale.
  6. Procédé selon la revendication 5, caractérisé en ce que l'amenée du milieu de mouillage dans le mécanisme d'encrage pour le prémouillage de ce dernier est activée en même temps que l'agrandissement de l'amplitude de course ou après cet agrandissement.
  7. Procédé selon la revendication 5 ou 6, caractérisé en ce que la machine à imprimer à plat comprend un mécanisme de mouillage (7) à partir duquel le fluide de mouillage est amené au mécanisme d'encrage (6) par l'intermédiaire d'au moins d'un rouleau (29) qui relie le mécanisme d'encrage (6) au mécanisme de mouillage (7).
  8. Procédé selon la revendication 7, caractérisé en ce que le mécanisme de mouillage (7) comprend au moins un rouleau toucheur de mouillage (27) qui peut être appliqué contre ou écarté de la forme d'impression et le prémouillage du mécanisme d'encrage (6) s'effectue alors que le rouleau toucheur de mouillage (27) est écarté de la forme d'impression (23).
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce que la dimension de la course minimale est nulle (état d'arrêt).
  10. Procédé selon l'une des revendications 1 à 9, caractérisé en ce que l'amplitude de course du rouleau baladeur d'encrage (15) est modifiée par un dispositif de modification de l'amplitude de course - commandé en particulier par un dispositif de commande électronique (8) - et comprenant en particulier un entraíneur réglable qui est composé d'une coulisse (37) et d'un coulisseau (32).
  11. Dispositif pour la mise en oeuvre du procédé selon la revendication 1 et pour la modification de l'amplitude de course d'au moins un rouleau baladeur d'encrage (15 ; 16 ; 17 ; 18) qui oscille axialement, compris dans un mécanisme d'encrage (6) d'une machine à imprimer rotative, dans lequel le rouleur baladeur d'encrage (15 ; 16 ; 17 ; 18) peut être entraíné par un entraínement de course de baladeur (35) par l'intermédiaire d'une transmission de course de baladeur (43), laquelle comprend une coulisse (37) munie d'une rainure (40) et un coulisseau (32) qui peut se déplacer dans la rainure (40), et dans lequel la coulisse (37) est portée par un premier organe de transmission (36 ; 52) et le coulisseau (32) par un deuxième organe de transmission (33 ; 47) de la transmission de la course de baladeur (43), et les deux organes de transmission (33, 36, 47, 52) peuvent être entraínés par l'entraínement de course de baladeur (35), caractérisé en ce que la coulisse (37) est disposée de façon à pouvoir être déplacée d'une première position à une deuxième position relativement au premier organe de transmission (52) pour agrandir l'amplitude de course du rouleau baladeur d'encrage (15 ; 16 ; 17 ; 18) avant le début du fonctionnement d'impression.
  12. Dispositif selon la revendication 11, caractérisé en ce qu'un mouvement d'entraínement oscillant peut être transmis du premier organe de transmission (36,52) au deuxième organes de transmission (33, 47) ou du deuxième organe de transmission au premier organe de transmission (36,52), la coulisse (37) et le coulisseau (32) coopérant à la façon d'un entraíneur.
  13. Dispositif selon la revendication 11 ou 12, caractérisé en ce que la première position de la coulisse (37) est sensiblement perpendiculaire à la deuxième position.
  14. Dispositif selon l'une des revendications 11 à 13, caractérisé en ce que la coulisse (37) peut-être commandée par un servomoteur.
  15. Dispositif selon la revendication 14, caractérisé en ce que le servomoteur (39) est porté par au moins un des organes de transmission (33 ; 36 ; 47 ; 52) et en particulier par le deuxième organe de transmission (36, 52).
  16. Dispositif selon l'une des revendications 11 à 15, caractérisé en ce que le premier organe de transmission est constitué par un levier (52) qu'on peut faire pivoter autour d'un axe de levier (56).
  17. Dispositif selon l'une des revendications 11 à 16, caractérisé en ce qu'on peut faire tourner la coulisse (37) autour d'un axe de coulisse (64) et que la rainure (40) est en forme d'arc de cercle.
  18. Dispositif selon la revendication 17, caractérisé en ce que le rayon moyen (65) de la rainure (40) correspond à la distance de l'axe de levier (56) à l'axe (64) de la coulisse.
  19. Dispositif selon l'une des revendications 15 à 18, caractérisé en ce que le levier (52) est constitué par un levier à plusieurs bras, qui présente un bras (51) dans lequel la coulisse (37) est montée rotative.
  20. Dispositif selon la revendication 19, caractérisé en ce que le levier (52) est constitué par un levier qui déplace au moins deux rouleaux baladeurs (15,16) l'un en sens inverse de l'autre.
  21. Dispositif selon l'une des revendications 14 à 20, caractérisé en ce que la coulisse (37) peut être commandée par le servomoteur (39) commandé lui-même par un dispositif de commande électronique (8) conformément au procédé selon la revendication 1.
  22. Machine à imprimer rotative - en particulier machine à imprimer rotative offset - comprenant au moins un dispositif selon l'une des revendications 11 à 21.
EP98122118A 1997-12-17 1998-11-23 Procédé d'opération d'une machine rotative d'impression et dispositif dans une machine rotative d'impression Expired - Lifetime EP0924072B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00120285A EP1068955B1 (fr) 1997-12-17 1998-11-23 Dispositif pour changer l'amplitude de l'oscillation axiale d'un rouleau d'encrage dans une machine rotative d'impression

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19756077 1997-12-17
DE19756077A DE19756077A1 (de) 1997-12-17 1997-12-17 Verfahren zum Betrieb einer Rotationsdruckmaschine und Vorrichtung in einer Rotationsdruckmaschine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP00120285A Division EP1068955B1 (fr) 1997-12-17 1998-11-23 Dispositif pour changer l'amplitude de l'oscillation axiale d'un rouleau d'encrage dans une machine rotative d'impression

Publications (2)

Publication Number Publication Date
EP0924072A1 EP0924072A1 (fr) 1999-06-23
EP0924072B1 true EP0924072B1 (fr) 2001-08-22

Family

ID=7852231

Family Applications (2)

Application Number Title Priority Date Filing Date
EP00120285A Expired - Lifetime EP1068955B1 (fr) 1997-12-17 1998-11-23 Dispositif pour changer l'amplitude de l'oscillation axiale d'un rouleau d'encrage dans une machine rotative d'impression
EP98122118A Expired - Lifetime EP0924072B1 (fr) 1997-12-17 1998-11-23 Procédé d'opération d'une machine rotative d'impression et dispositif dans une machine rotative d'impression

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP00120285A Expired - Lifetime EP1068955B1 (fr) 1997-12-17 1998-11-23 Dispositif pour changer l'amplitude de l'oscillation axiale d'un rouleau d'encrage dans une machine rotative d'impression

Country Status (4)

Country Link
US (1) US6578481B1 (fr)
EP (2) EP1068955B1 (fr)
JP (1) JP4347935B2 (fr)
DE (3) DE19756077A1 (fr)

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DE102004048149A1 (de) * 2004-10-02 2006-04-06 Koenig & Bauer Ag Verfahren zum Betreiben eines Farbwerkes einer Rotationsdruckmaschine

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DE10044860B4 (de) 1999-09-29 2008-04-30 Heidelberger Druckmaschinen Ag Antriebsvorrichtung für Druckmaschinen
DE10003026B4 (de) * 2000-01-25 2004-03-25 Koenig & Bauer Ag Antrieb für eine Reibwalze
US6612233B2 (en) 2000-02-18 2003-09-02 Mitsubishi Heavy Industries, Ltd. Sheet feed offset press
EP1364781A2 (fr) * 2000-09-20 2003-11-26 Koenig & Bauer Aktiengesellschaft Unité d'impression
DE10110695A1 (de) 2001-03-06 2002-09-12 Voith Paper Patent Gmbh Selbstanstellende Durchbiegungseinstellwalze
EP1552924A3 (fr) * 2001-11-08 2007-09-05 Koenig & Bauer Aktiengesellschaft Dispositif d'entrainement d'un groupe d'impression
ES2314017T3 (es) * 2001-11-27 2009-03-16 Komori Corporation Prensa de impresion.
DE10209861B4 (de) * 2002-03-06 2012-10-04 manroland sheetfed GmbH Verfahren und Vorrichtung zur Farbzufuhrsteuerung
DE10225244B4 (de) * 2002-06-07 2016-02-04 Koenig & Bauer Ag Verfahren zum Anfahren des Fortdrucks nach einer Druckunterbrechung
JP4025255B2 (ja) * 2003-07-14 2007-12-19 株式会社小森コーポレーション 振りローラの振り量調整装置
JP4025256B2 (ja) * 2003-07-23 2007-12-19 株式会社小森コーポレーション 振りローラの振り量調整装置
DE102004057817A1 (de) 2003-12-15 2005-07-14 Heidelberger Druckmaschinen Ag Changiermechanismus für eine Reibwalze einer Druckmaschine
JP4896461B2 (ja) 2004-08-04 2012-03-14 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 印刷機
DE102004040150A1 (de) * 2004-08-19 2006-02-23 Man Roland Druckmaschinen Ag Druckeinheit sowie Farbwerk
DE102006059015A1 (de) * 2006-12-14 2008-06-19 Heidelberger Druckmaschinen Ag Verfahren zur Verringerung von Mikrofarbstreifen bei der Herstellung eines Druckprodukts in einer Druckmaschine
DE102007030889A1 (de) 2007-07-03 2009-01-08 Manroland Ag Druckeinheit für eine Rotationsdruckmaschine
FR2921583B1 (fr) * 2007-10-02 2010-04-30 Goss Int Montataire Sa Unite de distribution de liquide et presse d'impression offset correspondante
DE102007049916A1 (de) * 2007-10-18 2009-04-23 Heidelberger Druckmaschinen Ag Verfahren zum Betreiben eines Druckwerks einer Druckmaschine
JP2015510462A (ja) * 2012-02-01 2015-04-09 クラウン・パッケージング・テクノロジー・インク 容器の装飾
DE202012004791U1 (de) 2012-05-15 2012-07-03 Heidelberger Druckmaschinen Ag Reiberwalze mit separatem Antriebsmotor
BR112021008794B1 (pt) 2018-11-09 2023-01-31 Ball Corporation Conjunto de tintagem para um decorador e método de decorar uma superfície exterior de um recipiente com um conjunto de tintagem de um decorador

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Publication number Priority date Publication date Assignee Title
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DE102004048149B4 (de) * 2004-10-02 2015-10-15 Koenig & Bauer Ag Verfahren zum Betreiben eines Farbwerkes einer Rotationsdruckmaschine

Also Published As

Publication number Publication date
EP1068955B1 (fr) 2003-05-21
JP4347935B2 (ja) 2009-10-21
US6578481B1 (en) 2003-06-17
DE59808499D1 (de) 2003-06-26
JPH11240139A (ja) 1999-09-07
DE19756077A1 (de) 1999-06-24
EP0924072A1 (fr) 1999-06-23
EP1068955A1 (fr) 2001-01-17
DE59801242D1 (de) 2001-09-27

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