EP0064270B2 - Dispositif d'encrage - Google Patents

Dispositif d'encrage Download PDF

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Publication number
EP0064270B2
EP0064270B2 EP82103608A EP82103608A EP0064270B2 EP 0064270 B2 EP0064270 B2 EP 0064270B2 EP 82103608 A EP82103608 A EP 82103608A EP 82103608 A EP82103608 A EP 82103608A EP 0064270 B2 EP0064270 B2 EP 0064270B2
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EP
European Patent Office
Prior art keywords
roller
screen
ink
inking unit
fountain
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
EP82103608A
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German (de)
English (en)
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EP0064270B1 (fr
EP0064270A1 (fr
Inventor
Joachim Dorow
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.)
Albert Frankenthal AG
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Albert Frankenthal AG
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Application filed by Albert Frankenthal AG filed Critical Albert Frankenthal AG
Publication of EP0064270A1 publication Critical patent/EP0064270A1/fr
Publication of EP0064270B1 publication Critical patent/EP0064270B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N7/00—Shells for rollers of printing machines
    • B41N7/06—Shells for rollers of printing machines for inking rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/06—Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/20—Ink-removing or collecting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N2207/00—Location or type of the layers in shells for rollers of printing machines
    • B41N2207/02—Top layers

Definitions

  • the invention relates to an inking unit for printing machines that work with a hard printing form, highly viscous printing inks, in particular offset printing machines, with an immersion roller immersed in an ink fountain, an application roller inking the printing form mounted on a cylinder, which rotates at approximately the same peripheral speed as the printing form, and with a transfer roller transferring the ink from the dip roller to the applicator roller, which has a different, preferably smaller diameter than the applicator roller and can be driven with a different peripheral speed than the dip roller (DE-A-2 916 212).
  • the inking unit primarily has the task of offering a uniform, thin ink film on the ink collecting device, which film is removed from the printing form. Under normal operating conditions, however, this film is not completely removed, but only at the printing points. A residual relief is therefore left on the ink application device. Secondly, it is important to equalize this residual relief, which can lead to so-called stenciling. When stenciling, the printing elements of the printing form are no longer adequately colored, so that the color density on the printing substrate becomes too low. When using tough inks, such as offset inks, a roller system with many rollers is usually used to produce a thin ink film, which rolls the ink to the desired thickness.
  • a plurality of small applicator rollers are intended to achieve a uniform inking of the printing form and thus prevent stenciling.
  • the ink supply is adjusted zone by zone over the roller width by so-called zone screws, specifically in accordance with the degree of ink removal from the application device.
  • zone screws specifically in accordance with the degree of ink removal from the application device.
  • Such an inking unit is known from DE-A-29 16 212.
  • This known inking unit consists of a central roller with a comparatively large diameter, to which an immersion roller, several metering rollers and several application rollers of a comparatively small diameter are set.
  • the metering rollers mentioned should have a different circumferential speed compared to the inking roller interacting therewith and thus take more or less ink from this inking roller depending on the speed difference.
  • the color film thickness can only be set with insufficient accuracy because various disruptive factors can come into effect, such as e.g. B. runout, different color toughness due to different temperature or different pollution, and the like.
  • the final thickness of the ink film that can be achieved is always a fixed part of the initial thickness applied by the dipping roller to the central roller. It is therefore also important here to transmit a uniform, very specific thickness with the dipping roller, but experience has shown that this is very difficult to achieve, especially when using tough colors. Since the achievable final thickness of the color film is to be achieved as a function of a speed difference, the known arrangement also proves to be speed-dependent, which can be extremely negative in the event of speed fluctuations. The known arrangement therefore requires continuous monitoring and adjustment or readjustment of the metering rollers and still does not make it possible to provide the same constant, stable ink supply on the central inking roller.
  • Another short inking unit known from DE-C-1 761 715 consists of an immersion roller immersed in an ink fountain and an application roller which is directly acted on by it and which colors the printing form.
  • the applicator roller has a soft surface in a manner known per se.
  • the dipping roller is designed here as an anilox roller, which is provided with a screen formed by ink cups and the webs surrounding them and which interacts with a doctor blade.
  • the working diameter of the dipping roller and the applicator roller corresponds to the effective diameter of the plate cylinder receiving the printing form.
  • the applicator roller and the dip roller are driven.
  • the drive takes place via gearwheels, the pitch circle diameter of which corresponds to the pitch circle diameter of the drive wheel of the plate cylinder.
  • the dipping roller designed as anilox roller therefore has the same, high Peripheral speed like the plate cylinder.
  • the anilox roller takes more ink per revolution than can flow into the ink fountain.
  • the consequence of this is that the plunger roller frees itself and only takes up color irregularly.
  • the cells of the dipping roller designed as anilox roller are therefore no longer filled evenly, which can lead to uneven inking of the printing form and to a lack of color.
  • a so-called squeeze bar is employed on the applicator roller, which is obviously intended to achieve a uniform distribution of the color over the circumference of the applicator roller.
  • the squeeze bar attached to the soft surface of the applicator roller causes considerable wear.
  • an additional cleaning roller interacting with the applicator roller was obviously considered necessary, which increases the parts requirement and can have a negative effect on the cleaning effort when a color change is carried out.
  • the dipping roller designed as anilox roller is not scraped off in the known arrangement, so that the ink cups are filled with ink and the webs surrounding these cups are scraped off.
  • the squeegee is formed by a comparatively thick plastic bar, with the aid of which a gap can be set which is intended to control the amount of ink.
  • the applicator roller is provided with elevations and depressions which are intended to ensure that the printing form is always the same, but this is the case with the known arrangement is not achieved.
  • This applicator roller consists of a roller core, which is surrounded by a jacket made of soft material, in order to achieve the flexibility given with conventional applicator rollers.
  • On this soft coat spacers made of hard material are applied according to a predetermined pattern, for. B. glued or vulcanized or the like.
  • the known arrangement is therefore not only associated with a considerable manufacturing effort, but also causes not inconsiderable wear both on the part of the printing plate and on the part of the spacer elements due to the interaction of the hard spacer elements, which leads to a deterioration in the course of longer operating times Print quality and accuracy leads and overall a reduction in service life can be expected.
  • the application roller provided with ridges and depressions is not scraped off. Rather, the amount of ink transferred to the applicator roller should be regulated by a doctor blade which interacts with the dip roller and / or by the ratio of the speeds between the dip roller and applicator roller.
  • Another short inking unit is known from DE-B-23 23 025.
  • the applicator roller is assigned a so-called metering roller, which has microscopic ink-receiving depressions.
  • the ink is dosed via the speed and the contact pressure of the dosing roller pressing into the application roller and via a doctor blade which interacts with the dosing roller.
  • heavy wear of the applicator roller is to be feared here, since the metering roller pressing into it does not unwind on it, but in the contact area is opposite to it.
  • the metering roller Since the metering roller is intended to transfer an ink film of a given thickness, the ink-receiving depressions as such do not come into play at all. Furthermore, the ink reservoir between the applicator roller and the metering roller is very difficult to control in terms of control technology.
  • the required Ink layer thickness on the applicator roller should here by a metered pressure between the rollers interacting with one another, furthermore by different speeds of the rollers interacting with one another, that is to say by corresponding relative speeds, furthermore by a larger number of so-called ink supply or transfer rollers assigned to the applicator roller and the transfer roller .
  • adjusting devices are provided which have to be adjusted by hand from case to case. This not only results in increased construction costs and space requirements, but also very complicated and cumbersome operation.
  • the dipping roller and the transfer roller are coupled to one another by spur wheels.
  • a clutch or brake connected to a geared motor is assigned to the transfer roller.
  • this is not only a component that is susceptible to faults, but also a component that requires considerable construction effort.
  • the clutch or brake mentioned is very difficult to control in terms of control, because heating or contamination can lead to a change in the braking behavior, which inevitably has to be reflected in fluctuations in the color range.
  • the ink supply on the applicator roller in this arrangement in which, among other things, the ink supply is dosed by means of a change in relative speed, is generally dependent on speed fluctuations, which, however, are generally not avoidable.
  • the device for accomplishing the traversing movement of the transfer roller and the ink supply and conditioning rollers assigned to the transfer roller and the applicator roller further increase the structural effort and space requirement.
  • the diameter of the application roller deviates from the effective diameter of the printing form to be inked therefrom.
  • the contacts between the applicator roller and transfer roller or between the transfer roller and dip roller serve only for ink transfer.
  • the color is not dosed here.
  • the contact pressure and the gap width can therefore be set in an advantageous manner so that only minimal wear is to be expected.
  • the elimination of the color metering by gap adjustment and the like has a positive effect on the operation.
  • the measures according to the invention therefore result in a highly user-friendly arrangement which also enables the use of less well-trained personnel.
  • the required thin layer of ink on the applicator roller is achieved here by a particularly clever combination of design factors that are decisive for this.
  • the construction effort required is comparatively low. Nevertheless, high reliability is achieved even in the case of changing operating conditions, such as temperature fluctuations, speed fluctuations, fluctuations in fouling and the like.
  • the dipping roller creates a thick layer of ink on the anilox roller.
  • the superfluous ink is simply stripped off again, so that only the ink-receiving depressions of the anilox roller, which are practically formed by cells, remain filled with ink. Only the volume of these ink receiving depressions is therefore responsible for the amount of ink transferred to the applicator roller.
  • the range of colors on the applicator roller therefore advantageously always remains the same.
  • the pattern practically printed on the applicator roller by means of the anilox roller advantageously results in a uniform color distribution.
  • the raster division according to the invention advantageously results in a uniform and sufficient color density. Rolling out the tough ink too A thin film is advantageously unnecessary, which enables a simple and space-saving inking unit construction.
  • Concentricity errors can practically not have a negative impact here.
  • the anilox roller can unwind several times per revolution of the applicator roller, so that the screen is leveled out at the same peripheral speed, ie low-wear mode of operation, and a uniform ink application is ensured. Since the application roller has the same diameter as the printing form, ink is always taken from it at the same point. The residual relief can therefore practically not be disruptive. In addition, however, it is hereby ensured that no so-called ink build-up can form on the application roller in the area of the non-printing areas because the anilox roller interacting with it is stripped off. This ensures that so-called stenciling is reliably avoided.
  • the applicator roller itself can have a soft surface, which ensures gentle operation.
  • the immersion roller and the anilox roller are only to be adjusted so that ink transfer takes place, which makes dosed pressure unnecessary, so that gentle operation is ensured even at different speeds of the immersion roller and anilox roller.
  • the relative speed between the immersion roller and the anilox roller ensures that the ink is drawn into the ink-receiving recesses in the anilox roller, as a result of which they are reliably filled.
  • the applicator roll does not need to be driven here, which is advantageous in terms of the required diameter tolerances. The advantages that can be achieved with the invention can thus be seen in a simple structure, high user friendliness and high reliability.
  • the dipping roller and the anilox roller can have opposite directions of rotation in the contact area. This ensures that the stripping devices assigned to the anilox roller and possibly also to the dipping roller can be arranged so that they are easily accessible regardless of the direction of rotation of the machine.
  • the gap between the dipping roller and anilox roller can be made adjustable.
  • the dipping roller can also be assigned a preferably adjustable metering device, which is expediently designed as a metering knife. Such a pre-metering can advantageously relieve the stripping device assigned to the anilox roller.
  • wiping doctor blades can also be expediently provided in the region of the end faces of the dipping roller.
  • the wiping device assigned to the anilox roller can simply be designed as a preferably oscillating doctor blade attached to the anilox roller. This advanced training results in a particularly simple, yet very precise execution.
  • a further advantageous measure can consist in that the division of the grid of the anilox roller has only twice the number of grid lines per unit length as the grid division of the printing form. This measure results in a comparatively coarse screen of the anilox roller, by means of which, however, a comparatively large amount of color can also be transferred in the tough printing inks to be processed here, so that rich color tones can advantageously be achieved on the printing substrate.
  • anilox rollers are also used, the raster division of which is finer than the raster division of the associated, here soft printing form.
  • these known anilox rollers must have at least three times as much, often four times as much, raster lines as the associated printing form in order to prevent the so-called moiré phenomenon. When processing tough printing inks, the color transfer would be far too low with such a raster ratio.
  • zone rollers extending over part of their length can be placed on the anilox roller, each of which is assigned a wiping device, preferably designed as a doctor blade. This makes it possible to derive ink from the anilox roller in the area of non-printing zones in order to prevent the ink from emulsifying on the printing plate with the fountain solution.
  • the inking unit shown in Fig. 1 consists of an immersion roller 2 immersed in an ink fountain 1, an application roller 4 inking the printing plate, which is clamped on a cylinder 3, not shown, and an anilox roller 5 which transfers the ink from the immersion roller 2 to the application roller 4
  • Applicator roller 4 has a soft surface, preferably made of rubber.
  • a rubber blanket can be glued to a steel core in such a way that the abutting edge of the rubber blanket coincides with the tensioning channel of the cylinder 3 which holds the printing form, the so-called plate cylinder, when it is being developed on the printing form in Fig. 1 indicated enlarged color receiving recesses 6 and this delimiting webs 7 is provided.
  • the dipping roller 2 can also have a rubberized surface.
  • the screen of the anilox roller 5 formed by the ink receiving recesses 6 and the webs 7 can be produced by metting or simply by knurling the surface of the anilox roller 5 made of steel.
  • the doctor device 9 is to oscillate in the axial direction, so that so-called doctor strips are omitted.
  • the ink supply is practically constant and depends only on the absorption capacity of the ink-receiving depressions 6, which are distributed uniformly over the entire surface of the anilox roller 5 Printed uniform pattern over its entire length.
  • the anilox roller 5 can advantageously be pressed against the applicator roller 4 with an adjustable pressure, in order to ensure a compensation of rounding and still ensure a reliable inking.
  • the anilox roller 5 and the applicator roller 4 can be accommodated in adjustable eccentric bushes in a manner known per se. With this, the gap between the anilox roller 5 and the immersion roller 2 can also be adjusted.
  • the diameter of the application roller 4 corresponds to the diameter of the printing form spanned on the plate cylinder 3.
  • the application roller 4 is driven at the same surface speed and in the area of the contact point in the same direction of rotation as the drive of the plate cylinder 3. As tests have shown, such a dimensioning reliably eliminates stenciling.
  • the anilox roller 5 rolling on the applicator roller 4 has a smaller diameter than the applicator roller 4 and can therefore unwind several times with each revolution of the applicator roller 4, which has a positive effect on the uniform coloring of the applicator roller 4.
  • the screen of the anilox roller 5 formed by the ink-receiving depressions 6 and the webs 7 that delimit them is optimized with regard to the screen depth and division.
  • the capacity of the ink-receiving depressions 6 is to be dimensioned such that rich color tones can be achieved on the printing material.
  • the grid pitch should be dimensioned so that tough printing inks can be handled reliably.
  • excellent results can be achieved if the screen of the anilox roller 5 has only twice as many screen lines per unit length as the screen of the associated printing form.
  • the anilox roller 5 thus differs significantly from the anilox rollers which are used in the flexographic printing process and whose raster division is much finer.
  • the offset printing plate used here should have a grid division with 50 grid lines per cm.
  • the assigned screen roller should have 100 screen lines per cm.
  • This grid division of the anilox roller can also be maintained for all other screens that are customary for offset plates, which can go up to 80 screen lines per cm.
  • the anilox roller 5 is driven so that its direction of rotation in the contact area with the applicator roller 4 coincides with the direction of rotation of the applicator roller 4.
  • the application roller 4 and the anilox roller 5 can expediently be driven via spur gears which are driven via the drive wheel assigned to the plate cylinder 3.
  • the plunger roller 2 should run much more slowly than the anilox roller 5, so that it is ensured that even when processing tough printing inks in the ink fountain the necessary level compensation is set, ie the ink flows so far that the plunger roller 2 can never spin empty.
  • the Drive of the plunger roller 2 can, as shown in FIG. 2, be removed from the drive of the anilox roller 5.
  • a suitable spur gear set 10 can simply be used for this.
  • the plunger roller 2 is driven by a separate gear motor 12 by means of a chain drive 11.
  • the geared motor 12 can have a variable transmission ratio, so that the speed of the dip roller 2 can be selected.
  • the dipping roller 2 can have such a direction of rotation that in the contact gap formed with the anilox roller 5 there is synchronism with the direction of rotation of the anilox roller 5, as indicated in FIG. 2 by arrows, or counter-rotation, which is the basis of FIG. 1. In any case, there is a bead of color in the contact gap, which ensures reliable filling of the ink-receiving depressions 6.
  • the dipping roller 2 is mounted so that it can be swiveled in and out relative to the anilox roller 5, which is particularly facilitated when a separate individual drive according to FIG. As a result, the gap between the immersion roller 2 and the anilox roller 5 can be adjusted to make it easy to adjust when the diameter changes.
  • the thickness of the ink film removed from the ink fountain 1 by the dipping roller 2 can be adjusted by means of a wiping edge interacting with the peripheral surface of the dipping roller 2 in order to accomplish a pre-metering.
  • a metering device 14 provided with an ink knife 13 and adjustable with an adjustable force and at an adjustable angle to the dip roller 2 is used.
  • the doctor blade 8 of the doctoring device 9 and the ink knife 13 of the metering device 14 are arranged above the ink fountain 1 in such a way that the ink which has been stripped or scraped off can flow directly or indirectly back into the ink fountain 1.
  • FIG. 1 the thickness of the ink film removed from the ink fountain 1 by the dipping roller 2 can be adjusted by means of a wiping edge interacting with the peripheral surface of the dipping roller 2 in order to accomplish a pre-metering.
  • a metering device 14 provided with an ink knife 13 and adjustable with an adjustable force and at an adjustable angle to the dip roller 2 is used.
  • the doctoring device 9 is arranged above the peripheral region of the immersion roller 2 which is moving toward the anilox roller 5, so that the doctored ink advantageously reinforces the ink bead in the mutual contact gap.
  • the metering device 14 and the doctoring device 9 can be arranged so that they are easily accessible, regardless of the direction of rotation of the plate cylinder.
  • zone rolls 16 are provided on the doctored circumference of the anilox roller 5, the length of which corresponds to the width of non-printing, ink-free zones. These zone rollers 16 derive ink from the anilox roller 4, which can be advantageous in some cases to prevent the ink from emulsifying with the fountain solution on the printing form.
  • the zone rollers can be driven or simply carried along by friction.
  • a drive shaft 17 which extends across the entire machine width can expediently be provided, which can be coupled by a gearwheel set to the stimulating wheel assigned to the anilox roller 4 and onto which the required zone rollers 16 can be pushed and secured by spacers thereon.
  • the ink picked up by the zone rollers 16 is doctored off by a doctoring device 19 provided with a doctor blade 18 and fed to the ink fountain 1.
  • the doctoring device 19 is arranged such that the ink doctored therefrom can flow back into the ink fountain 1 practically automatically.
  • the adjacent ink fountain cheek is pulled up to form a guide surface 20 over the doctor device 19.
  • the ink running off the doctor blade device 19 therefore flows back along the guide surface 20 into the ink fountain 1.
  • a deflection of the dip roller 2 or the application roller 4 or the anilox roller 5 can be prevented by a deflection compensation.
  • a roller as can best be seen from FIG. 5, consists of a tubular jacket 21 and a spindle 22 penetrating it with radial play, the ends of which protrude laterally beyond the end faces of the jacket 21.
  • the radial annular gap between the jacket 21 and the spindle 22 is bridged by at least one support bearing 23 which is arranged here as a pivot bearing and is symmetrical to the center of the roll. This ensures that the jacket 21 and the spindle 22 can bend independently of one another, which enables deflection compensation.
  • the jacket 21 can be rotatably supported laterally by pivot bearings.
  • the ends of the spindle 22 can be acted upon by assigned actuating devices in such a way that the deflection of the spindle 22 caused thereby reverses the deflection of the jacket 21.
  • the spindle 22 can be arranged stationary in the direction of rotation. In this case, the casing 21 is driven directly via a cooperating spur gear, as indicated in FIG.
  • the support bearings could simply be designed as spring washers.
  • the annular space between the jacket and the spindle can simply be provided with an opening that partially occupies it.
  • the inking unit on which the figures are based is to be used as an offset inking unit, to which, as shown in FIG. 1, is assigned a dampening unit designated as a whole as 25.
  • This dampening unit 25 cooperates here with the application roller 4, i. H. the dampening solution applicator roller rolls on the ink applicator 4.
  • the dampening solution is applied behind the point of contact between anilox roller 5 and applicator roller 4, i. H. the dampening unit 25 is arranged downstream of the touch point mentioned in the direction of rotation of the application roller 4

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

Claims (11)

1. Dispositif d'encrage d'une plaque d'impression dure dans des machines d'imprimerie utilisant des encres à haute viscosité, notamment des machines offset, comportant un rouleau plongeur (2) qui trempe dans un bac à encre (1), un rouleau encreur (4) qui encre une plaque étendue sur un cylindre (3) et qui tourne sensiblement à la même vitesse périphérique que la plaque, et un rouleau de transfert de l'encre du rouleau plongeur (2) au rouleau encreur, ce rouleau de transfert présentant un diamètre différent, de préférence plus petit que celui du rouleau encreur (4) et étant entraîné à une vitesse différente de celle du rouleau plongeur (2), caractérisé en ce que le diamètre du rouleau encreur (4) correspond au diamètre utile de la plaque d'impression, en ce que le rouleau de transfert coopérant avec lui, qui tourne à la même vitesse que le rouleau encreur (4) et que le cylindre porte-plaque (3), se présente sous la forme d'un rouleau tramé comportant des cavités pour l'encre (6) et des plats (7) séparant ces cavités, le rapport entre la finesse de trame du rouleau tramé (5) et celle de la plaque d'impression à encrer étant compris entre 1,25:1 et 2:1, en ce que le rouleau tramé est associé à un dispositif d'essorage (9) qui essore les plats (7) situés entre les cavités pour l'encre (6) et qui est formé par une racle à disposition négative, et en ce que le rouleau encreur (4) tourne sans dispositif pour effacer la trame d'encre qu'il transfère.
2. Dispositif d'encrage selon la revendication 1, caractérisé en ce que le rouleau plongeur (2) et le rouleau tramé (5) présentent des sens de rotation contraires dans leur zone de contact.
3. Dispositif d'encrage selon la revendication 1 ou 2, caractérisé en ce que la vitesse périphérique du rouleau plongeur (2) est faible et, de préférence, en tout cas plus petite que celle du rouleau tramé (5).
4. Dispositif d'encrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'l comporte un intervalle, de préférence réglable, entre le rouleau plongeur (2) et le rouleau tramé (5), et en ce que le rouleau plongeur (2) est monté de manière mobile, permettant de le rapprocher et de l'éloigner du rouleau tramé (5).
5. Dispositif d'encrage selon l'une quelconque des revendications précédentes, caractérisé en ce que le rouleau plongeur (2) est associé à un dispositif de dosage (14), de préférence réglable.
6. Dispositif d'encrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'l comporte des racloirs (15) contre les faces frontales du rouleau plongeur (2).
7. Dispositif d'encrage selon l'une quelconque des revendications précédentes, caractérisé en ce que la trame du rouleau tramé (5), constituée de préférence par une surface lignée, présente un nombre de lignes par unité de longueur qui est le double de celui de la trame de la plaque d'impression.
8. Dispositif d'encrage selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif d'essorage associé au rouleau tramé (5) est constitué par un dispositif de raclage (9), de préférence modifiable en position.
9. Dispositif d'encrage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'f comporte des rouleaux partiels (16), agencés pour être applicables contre une partie de la longueur du rouleau tramé (5) et associés chacun à un dispositif d'essorage, de préférence un dispositif de raclage (19).
10. Dispositif d'encrage selon l'une quelconque des revendications précédentes, caractérisé en ce que le rouleau tramé (5) est monté de manière réglable par rapport au rouleau plongeur (2) et au rouleau encreur (4), celui-ci étant de préférence réglable par rapport à la plaque d'impression et, de manière à pouvoir être pressé contre le rouleau encreur (4).
11. Dispositif d'encrage selon l'une quelconque des revendications précédentes, caractérisé en ce que le rouleau tramé (5) et/ou le rouleau plongeur (2) et/ou le rouleau encreur (4) comportent un manteau tubulaire (21) traversé par un arbre (22) qui est appuyé contre lui par au moins un palier et dont les extrémités saillantes, hors du manteau (21), sont montées dans un dispositif de réglage pour compensation de la flexion.
EP82103608A 1981-05-02 1982-04-28 Dispositif d'encrage Expired - Lifetime EP0064270B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3117341A DE3117341C2 (de) 1981-05-02 1981-05-02 Farbwerk
DE3117341 1981-05-02

Publications (3)

Publication Number Publication Date
EP0064270A1 EP0064270A1 (fr) 1982-11-10
EP0064270B1 EP0064270B1 (fr) 1984-12-19
EP0064270B2 true EP0064270B2 (fr) 1991-10-30

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EP82103608A Expired - Lifetime EP0064270B2 (fr) 1981-05-02 1982-04-28 Dispositif d'encrage

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US (1) US4428291A (fr)
EP (1) EP0064270B2 (fr)
JP (1) JPS57187254A (fr)
DE (2) DE3117341C2 (fr)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232780C2 (de) * 1981-10-31 1986-02-06 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Farbwerk für Offsetdruckmaschinen
DE3302872A1 (de) * 1983-01-28 1984-10-11 Albert-Frankenthal Ag, 6710 Frankenthal Kurzfarbwerk
DE3329331A1 (de) * 1983-08-13 1985-03-07 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Druckwerk mit kurzem farbwerk
AT378151B (de) * 1983-10-07 1985-06-25 Johannes Zimmer Druck- und auftragsmaschine fuer fliessfaehige medien auf warenbahnen
DE3442662A1 (de) * 1984-11-23 1986-06-05 Albert-Frankenthal Ag, 6710 Frankenthal Farbwerk
DE3442661A1 (de) * 1984-11-23 1986-06-05 Albert-Frankenthal Ag, 6710 Frankenthal Farbwerk
AT384960B (de) * 1985-08-30 1988-02-10 Zimmer Johannes Einrichtung zum dosierten aufbringen fliessfaehiger medien auf eine bahn
FR2590205A1 (fr) * 1985-11-21 1987-05-22 Seailles Tison Sa Dispositif pour l'encrage d'une forme d'impression rotative a partir d'une masse compacte d'encre a viscosite elevee
DE3622550C2 (de) * 1986-07-04 1994-05-05 Koenig & Bauer Ag Offset-Kurzfarbwerk
US4690055A (en) * 1986-08-28 1987-09-01 Rockwell International Corporation Keyless inking system for offset lithographic printing press
JPS6394728U (fr) * 1986-12-11 1988-06-18
DE3704433A1 (de) * 1987-02-12 1988-08-25 Frankenthal Ag Albert Kurzfarbwerk
DE3705194A1 (de) * 1987-02-19 1988-09-01 Frankenthal Ag Albert Farbwerk
DE3706011A1 (de) * 1987-02-25 1988-09-08 Roland Man Druckmasch Kurzfarbwerk
DE3713027A1 (de) * 1987-04-16 1988-11-17 Frankenthal Ag Albert Rasterwalze fuer ein offsetfarbwerk, sowie verfahren zur herstellung einer derartigen rasterwalze
DE3800412A1 (de) * 1988-01-09 1989-07-20 Frankenthal Ag Albert Farbwerk
DE3804204A1 (de) * 1988-02-11 1989-08-24 Heidelberger Druckmasch Ag Filmfarbwerk fuer rotationsdruckmaschinen
DD283581A5 (de) * 1988-03-25 1990-10-17 Veb Kombinat Polygraph "Werner Lamberz" Leipzig,Dd Kurzfarbwerk
JPH07106632B2 (ja) * 1988-05-12 1995-11-15 株式会社東京機械製作所 キーレスインキ供給調整装置
JP2572366B2 (ja) * 1988-05-24 1997-01-16 株式会社東京機械製作所 輪転印刷機
JP2529878Y2 (ja) * 1988-08-25 1997-03-19 三菱重工業株式会社 キーレス印刷機
DD278551A1 (de) * 1988-12-27 1990-05-09 Polygraph Leipzig Verfahren und einrichtung zum verarbeiten von spezialfarben in bogenoffsetdruckmaschinen
DE8908243U1 (fr) * 1989-07-06 1989-08-17 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE3922559C2 (de) * 1989-07-08 1994-03-24 Roland Man Druckmasch Offsetdruckwerk
US5022322A (en) * 1990-04-18 1991-06-11 Keller James J Metering roller control apparatus
DE4210529A1 (de) * 1991-12-11 1993-10-07 Kochsmeier Hans Hermann Dosiervorrichtung für flüssige Auftragsmittel
JP2864224B2 (ja) * 1995-06-30 1999-03-03 株式会社東京機械製作所 インキ供給装置
DE19625362A1 (de) * 1996-06-25 1998-01-02 Roland Man Druckmasch Farbwerk
DE10000903A1 (de) * 1999-02-05 2000-08-10 Heidelberger Druckmasch Ag Verfahren zum Betrieb einer Druckmaschine und Druckmaschine zur Durchführung des Verfahrens
US6895861B2 (en) * 2003-07-11 2005-05-24 James F. Price Keyless inking systems and methods using subtractive and clean-up rollers
EP1159136B1 (fr) * 1999-03-03 2005-05-18 James F. Price Dispositif encreur sans cle pour presse d'impression offset
US6672211B2 (en) * 1999-03-03 2004-01-06 James F. Price Inking systems for printing presses
USRE40160E1 (en) * 2001-09-07 2008-03-25 Heidelberger Druckmaschinen Ag Method for controlling a quantity of medium transferable between two rollers
DE10143827A1 (de) * 2001-09-07 2003-03-27 Heidelberger Druckmasch Ag Verfahren zur Steuerung der Übertragung einer Mediummenge zwischen zwei Walzen
DE10144563A1 (de) * 2001-09-11 2003-03-27 Heidelberger Druckmasch Ag Druckmaschine und Verfahren zum Betreiben eines Farbwerks
DE10337594B4 (de) * 2003-08-16 2006-03-23 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Trennmittelauftragsvorrichtung
AU2005211994B2 (en) * 2004-01-15 2010-12-02 Kba-Notasys Sa Inking system for intaglio printing machine
DE102005031569B4 (de) * 2004-08-04 2016-07-28 Heidelberger Druckmaschinen Ag Druckmaschine
CN100575082C (zh) 2004-08-04 2009-12-30 海德堡印刷机械股份公司 印刷机
ATE495013T1 (de) * 2007-11-26 2011-01-15 Amcor Flexibles Kreuzlingen Auftragswerk für lösungsmittelhaltiges auftragsmaterial
CN102414540A (zh) * 2009-05-06 2012-04-11 技术解决顾问有限公司 与热偏差导致的上墨变化有关的粘稠油墨柔性版印刷方法
CN103522746A (zh) * 2013-10-22 2014-01-22 广东中烟工业有限责任公司 一种高速卷烟机的钢印印刷组件
JP6255899B2 (ja) * 2013-10-29 2018-01-10 凸版印刷株式会社 フレキソ版印刷機及びそれを用いた機能性薄膜の製造方法並びに機能性薄膜製造装置
US9833989B2 (en) 2014-07-16 2017-12-05 Kba-Metalprint Gmbh Device for printing on hollow bodies
CN208529936U (zh) * 2018-05-07 2019-02-22 广东欧格精机科技有限公司 一种印刷或涂布机上的往复运动式封闭墨斗

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE14574C (de) * W. R. SCHÜRMANN in Düsseldorf Neuerung in Konstruktion von Walzen
DE639293C (de) * 1936-12-02 Richard Lehmann Farbwerk fuer Druckmaschinen
GB198864A (en) * 1922-04-13 1923-06-14 Calico Printers Ass Ltd Improvements relating to ink or colour supplying devices for printing machines
DE741828C (de) * 1938-01-13 1943-11-17 Maschf Augsburg Nuernberg Ag Anilinfabrwerk
FR1341701A (fr) * 1962-09-21 1963-11-02 Etudes De Machines Speciales Procédé et dispositif d'encrage pour machines d'impression
US3339485A (en) * 1964-06-15 1967-09-05 Bonnierfoeretagen Ab Adjustable ink supply device in rotary printing presses
GB1230020A (fr) * 1967-06-30 1971-04-28
DE1933838A1 (de) * 1969-07-03 1971-02-04 Windmoeller & Hoelscher Rakelvorrichtung fuer Tiefdruckmaschinen
US3587463A (en) * 1970-05-18 1971-06-28 Wallace H Granger Simplified circulating inking system for rotary newspaper printing press
US3709147A (en) * 1970-12-03 1973-01-09 W Granger Ink transfer cylinder mounting with adjustable drive clutch
CA1019637A (en) * 1972-05-09 1977-10-25 Dahlgren Manufacturing Company Method and apparatus for inking printing plates
SE374056B (fr) * 1972-05-24 1975-02-24 Sunds Ab
DE2245301A1 (de) * 1972-09-15 1974-04-04 Springer Ag Verlag Axel Farbauftragwalze
JPS512508A (en) * 1974-05-17 1976-01-10 Fuji Telecasting Co Ltd Tenshainsatsuki no inkukyokyusochi
DE2822350A1 (de) * 1977-05-31 1978-12-07 Nebiolo Spa Feuchtwerk fuer flachdruckmaschinen
CH624526B (de) * 1977-12-19 Polytype Ag Verfahren und vorrichtung zum aufbringen von fliessfaehigen auftragsmedien auf zweidimensionale bahn- bzw. bogenfoermige substrate oder dreidimensionale formkoerper mit gewoelbten oberflaechen.
GB2069932B (en) * 1978-04-18 1983-01-06 Dahlgren H P Reversible printing press
JPS54156704A (en) * 1978-05-30 1979-12-11 Shiyougo Nagao Relief printing plate and relief printing machine
US4301583A (en) * 1979-02-15 1981-11-24 Consolidated Engravers Corporation Fluid metering roller
DE2916212A1 (de) * 1979-04-21 1980-10-23 Maschf Augsburg Nuernberg Ag Farbwerk fuer eine druckmaschine
GB2049102A (en) * 1979-05-03 1980-12-17 Csi Corp Transfer roll
DE2930303C2 (de) * 1979-07-26 1982-12-30 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Filmfarbwerk für Rotationsdruckmaschinen

Also Published As

Publication number Publication date
EP0064270B1 (fr) 1984-12-19
JPS57187254A (en) 1982-11-17
DE3117341A1 (de) 1982-11-18
US4428291A (en) 1984-01-31
DE3117341C2 (de) 1988-07-07
DE3261597D1 (en) 1985-01-31
EP0064270A1 (fr) 1982-11-10
JPH0326127B2 (fr) 1991-04-09

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