EP1707360A2 - Mécanisme d'encrage par pompage d'une machine à imprimer avec une pluralité de pompes de dosage - Google Patents

Mécanisme d'encrage par pompage d'une machine à imprimer avec une pluralité de pompes de dosage Download PDF

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Publication number
EP1707360A2
EP1707360A2 EP06111233A EP06111233A EP1707360A2 EP 1707360 A2 EP1707360 A2 EP 1707360A2 EP 06111233 A EP06111233 A EP 06111233A EP 06111233 A EP06111233 A EP 06111233A EP 1707360 A2 EP1707360 A2 EP 1707360A2
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EP
European Patent Office
Prior art keywords
printing
printing machine
ink
cylinder
inking unit
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.)
Withdrawn
Application number
EP06111233A
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German (de)
English (en)
Other versions
EP1707360A3 (fr
Inventor
Jürgen Stiel
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.)
Koenig and Bauer AG
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Koenig and Bauer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE200510015197 external-priority patent/DE102005015197B4/de
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1707360A2 publication Critical patent/EP1707360A2/fr
Publication of EP1707360A3 publication Critical patent/EP1707360A3/fr
Withdrawn legal-status Critical Current

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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
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/08—Ducts, containers, supply or metering devices with ink ejecting means, e.g. pumps, nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/22—Means for cooling or heating forme or impression cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/002—Heating or cooling of ink or ink rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2200/00—Printing processes
    • B41P2200/20—Lithography
    • B41P2200/21—Dry offset printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2251/00—Details or accessories of printing machines not otherwise provided for
    • B41P2251/10—Pumps

Definitions

  • the invention relates to a printing press with at least one printing unit according to the preamble of claim 1.
  • WO 03/045694 A1 and the WO 03/045695 A1 Methods are known in which by tempering a cooperating with a printing ink rotating component of a printing unit a tack of the ink on the rotating component in a temperature range of 22 ° C to 50 ° C is kept substantially constant, the speed of the ink from the temperature on the lateral surface of the rotating component and its production speed depends.
  • the application consists in particular in a waterless printing unit, preferably in a printing unit for newspaper printing.
  • a short inking unit of a rotary printing machine wherein in the inking unit an anilox roller pasty printing inks, in particular with a viscosity greater than 9000 mPa * s, processing is arranged, wherein a grid of the anilox roller to a grid of a printing plate of a rotary printing machine arranged in a form cylinder in a ratio of 0 , 5, in particular greater than 0.8.
  • in Pumpfarbwerken in contrast to conventional film inking the ink quantity to be entered into the inking unit is not made via color meter, but via an exact dosage by means of valves and / or pumps. This is done, for example, tailor-made for each individual color zone. For cost and / or space reasons, a supply of a certain pressure levels for several in the axial direction juxtaposed ink zones is sometimes provided, the dosage, for example, per Falbzone or color zone group individually adjustable by valves are.
  • Fig. 7 shows schematically a Pumpfarbwerk, each to be supplied color zone or color zone group a pump, here a Schrägachsen- (double) piston pump is provided.
  • These pumps are supplied via a supply line from a paint reservoir and deliver via lines (hoses) the pumped ink to a corresponding metering opening of the applicator.
  • hoses via lines (hoses) the pumped ink to a corresponding metering opening of the applicator.
  • the pumps are arranged for reasons of space away from the applicator, which is disadvantageous in terms of long supply routes, material and lack of compactness.
  • the Falbe is metered through the opening by means of the pump on a roller of the inking unit, for. B duct roller, applied.
  • a pumping inking unit of a printing press wherein a certain amount of ink can be metered by means of a plurality of metering pumps on axially adjacent regions of a roll shell surface by a discharge opening, and wherein several of the metering pumps are arranged side by side in an application strip in the axial direction of the inking roller.
  • the metering pumps are designed as gear pumps or other suitable positive displacement pumps.
  • the DE 26 26 006 A1 disclosed rotatory displacement pumps designed as a sickle-wheel pump designed with a externally toothed inner rotor and an internally toothed outer rotor, whose axes of rotation are mounted eccentrically to each other. To form a suction and a pressure chamber a sickle-shaped insert is provided in the intersection space.
  • a Pumpfarbtechnik which in an embodiment side by side a plurality of pumps, in particular gear pumps, between a common feed line and a respective bore of a manifold block.
  • a metering pump is designed as a rotary positive displacement pump with an externally toothed inner rotor and an internally toothed outer rotor whose axes of rotation are mounted eccentrically to each other, wherein the outer and inner rotor have a cycloid-shaped teeth, which with their cycloid-shaped teeth in meshing engagement and during rotation at any one time forming a system of multiple sealed delivery chambers.
  • the invention has for its object to provide a printing machine with at least one printing unit.
  • gerotor pumps in particular rotary displacement pumps with externally toothed internal rotor and internal toothed external rotor, makes it possible to achieve significantly more uniform conveyance (low pulsation, small dead volume).
  • Another advantage of the invention according to a preferred development is that properties of the printing ink used and the printing forme arranged on a forme cylinder are coordinated with one another in such a way that a good printing result is obtained in a waterless printing process (for example by means of a waterless planographic printing plate), in particular in the "dry offset".
  • a good printing result is obtained in a waterless printing process (for example by means of a waterless planographic printing plate), in particular in the "dry offset".
  • printing qualities can be produced in this way that far exceed the qualities of conventionally produced printed products, in particular in color brilliance.
  • Fig. 1 shows a greatly simplified form schematically a printing press 01, z. B is a newspaper printing machine 01, preferably a printing machine printing several different inks, with a frame 02 and z. B four vertically superimposed printing units, wherein a substrate 03, z. B a material web 03, in particular a paper web 03, in the vertical direction, the printing units passes successively.
  • a production flow of the printing substrate 03 passing through the printing machine 01 is essentially assumed from the bottom to the top in this example.
  • FIG. 2 furthermore shows a feed device 55 for feeding a printing forme 04 to the forme cylinder 07.
  • the printing forme 04 can be mounted largely automatically on the lateral surface of the forme cylinder 07.
  • Each of at least one transfer cylinder 06 and a forme 07 existing printing unit 05 is associated with an inking unit 08, wherein each inking unit 08, which is formed in the case of the illustrated embodiment as accordingghiges roller inking unit 08, at least one ink supply 09, namely the below even more detail descriptive metering pump device 09 includes.
  • the printing units 05 and inking units 08 are designed here for the "dry offset” or “waterless offset printing", i. the execution of printing unit 05 and inking unit 08 is such that no dampening solution and thus no dampening unit is provided.
  • each inking unit 08 comprises (at least) two application rollers 12 applying the ink to the printing plates 04 fastened on the forme cylinder 07, eg. B inking rollers 12 which the color of a printing form near rubbing roller 13 and distribution cylinder 13 (eg hard surface), a color or transfer roller 14 (eg, with a soft surface), a printing unit remote rubbing roller 15 and distribution cylinder 15, another color or transfer roller 16 (eg, with a soft surface), a film roll 17 and a ductor roller 18 from the Dosierpumpen worn 09 receives.
  • the two distribution cylinders 13; 15 in the axial direction iridescent, i. movably driven.
  • the distribution cylinder 13; 15 together or individually by a separate, from the cylinders 06; 07 independent drive motor driven by rotation. Also for the ductor roller 18 and possibly also for the film roller 17, a separate rotary drive is preferably provided.
  • the traversing movement of the distribution cylinder 13; 15 can be done with increased demand for variability, jointly or individually, by a suitable drive means or, as provided here with reduced effort, by a rotational movement in an axial movement converting gear.
  • Each two-color inking unit 20 comprises at least three, here four the color on the Printing form 04 application rollers 21, z.
  • the ductor roller 30 is preferably, and optionally also provided for the film roller 29, a separate rotary drive.
  • the traversing movement of the distribution cylinder 22; 25; 27 can be made with increased demand for variability, jointly or individually, by a suitable drive means or, as provided here with reduced effort, by a rotational movement in an axial movement converting gear.
  • Such an inking unit 20 is preferably provided in the configuration of the printing unit for commercial printing, but may also be used for the newspaper printing.
  • the both sides of the paper web 03 arranged transfer cylinder 06 are employed in a so-called rubber-rubber arrangement against each other, so that the mutually employed transfer cylinder 06 mutually act as a counter-pressure cylinder.
  • printing units 05 can be combined to a satellite printing unit, wherein the printing units 05 to a common of the other cylinders 06; 07 separate impression cylinder are arranged, wherein the paper web 03 is guided in each case between at least one employee employed to the impression cylinder transfer cylinder 06 and the impression cylinder.
  • the Printing machine 01 z. B is formed as a commercial press with a preferably substantially horizontal guidance of the printing material 03, wherein in the printing machine 01 along the printing machine 01 continuous production flow of the printing material 03 preferably on both sides, ie below and above the printing material 03, several successive printing units 05 are provided , wherein the transfer cylinder 06 of two printing units 05 turn z. B are employed in a rubber-rubber arrangement against each other, wherein the substrate 03 is passed between the two mutually employed transfer cylinders 06, ie the substrate 03 passes through the mutual Abroll Scheme.
  • the printing material 03 may also be formed as a sheet 03.
  • the ink transfer cylinder 06 are, as already mentioned, as operating in a dry offset printing transfer cylinder 06, wherein the transfer cylinder 06 preferably have an elastic surface, wherein the elastic surface z. B by at least one arranged on the lateral surface of the transfer cylinder 06 printing blanket 10, z. B blanket 10 is formed of an elastomeric material.
  • the transfer cylinders 06 associated with the forme cylinder 07 have on their lateral surface in each case at least one printing forme 04, (in particular designed as a printing plate), cf. 2 and 3.
  • Each printing forme 04 is designed in particular as a planographic printing plate 04 suitable for a waterless planographic printing process ("dry offset"), so that it is not necessary to supply a dampening solution for the formation of non-printing areas.
  • the forme cylinders 07 are preferably provided with a plurality of printing plates 04 in their axial direction X and / or in their circumferential direction Y (FIG. 3). In the case of the embodiment of a newspaper printing press (newspaper pages in broadsheet format) shown here, the forme cylinders 07 are in each case in the axial direction X, z.
  • FIG. 3 is a development of such a plate cylinder 07 is shown schematically with twelve printing plates 04, wherein the printing plates 04 are shown only half in the illustrated view and the belonging to FIG. 3, perpendicular to each other direction arrows X; Y indicating the forme cylinder 07 axial direction X and the circumferential direction Y of the forme cylinder 07.
  • Fig. 4 shows a perspective view of the two forme cylinder 07 and the two transfer cylinder 06 of the press machine 01 opposite Pushers 05.
  • the transfer cylinder 06 are each occupied by three axially adjacent rubber blankets 10, which are each rotated by 180 °.
  • the forme cylinders 07 are each occupied by six planographic printing plates 04 arranged side by side in the axial direction, with two planographic printing plates 04 being arranged one behind the other in the circumferential direction.
  • each printing plate 04 has at least one printed image spot.
  • the printing plates 04 have several print image positions in the axial direction X and / or in the circumferential direction Y of the forme cylinder 07 (see FIG. Instead of a forme cylinder 07 in its axial direction X z. B six printing plates 04 and in the circumferential direction Y z. B provide two printing plates 04, the form cylinder 07 can each z. Be occupied with only a single printing plate 04 04, this printing plate 04 in the forme cylinder 07 axial direction X z. B six print image locations and / or in the circumferential direction Y of the forme cylinder 07 z. B has two print image locations. Also, each printing plate 04 may each have only a single printed image point.
  • the printing units 05 arranged downstream of one another on the same side of the printing material 03 in the production flow preferably print ink with mutually different shades.
  • each printing unit there are 05 color dots one of the colors used in four-color printing, black, cyan, magenta and yellow.
  • On the forme cylinder 07 of the successive printing units 05 are correlated with the same print image print image locations, each forming a color separation of the multicolored print image to be generated, each color separation is assigned to one of the colors to be printed.
  • a multicolored print image is generated by the fact that on the substrate 03 more color separations, z.
  • a color separation representing print image points to produce a common print image are printed in the production flow of the printing substrate 03 successively arranged printing units 05 with their respective from the forme cylinder 07 printing ink transferring cylinders 06 precisely over each other.
  • waterless offset printing z. B is a silicone layer on the lateral surface of the printing plate 04, the role of assignable with dampening hydrophilic range of the "wet offset” to prevent the printing plate 04 at a color pickup.
  • the non-printing areas and the printing areas of the printing form 04 are achieved by the formation of areas of different surface tensions when interacting with the printing ink. Therefore, in waterless offset printing processes, inks are used whose properties differ from those used in conventional "wet offset” printing.
  • Non-printing areas are preferably formed as a silicone layer, a printing ink with a compared to the "wet offset" significantly higher tack is needed for this purpose.
  • the tack represents the resistance with which the ink counteracts the film splitting in a nip or during the transfer of the ink in the print zone between the ink transferring cylinder 06 and the substrate 03.
  • the tack of printing inks d. H. their tack value, z. B according to the standard ISO 12634: 1996 (E).
  • tack meters e.g. B the test facilities "Inkomat” and "Tackomat” Fa. strigbau in D-82380 Peissenberg-Munich, available.
  • Tack values depend on the test equipment used and are given as dimensionless numerical values. Printing ink manufacturers usually indicate the tack value of an ink in conjunction with the underlying test conditions, eg. B with which test device the tack value was determined and at which speed or surface speed of the measuring roller. Typical data relate to speeds of 400, 800 or 1,200 revolutions per minute or measurements with a surface speed of the measuring roller of about 100 meters per minute to 300 meters per minute, in particular 100 or 200 meters per minute. During the test, the ink is heated to preferably 27 ° C or 32 ° C and kept constant at this temperature. Printing inks show i. d. R. with increasing surface speed increasing tack values.
  • test device "Inkomat” for example, the test at z. B. 27 ° C, z. B. paint application 1 ml, z. B. Verreibezeit 15 sec., Z. B. Measurement time 4 min., Z. B. Measuring speed 100 m / min.
  • the forme cylinders 07 are preferably cooled and / or on one constant temperature to avoid toning under changing operating conditions during printing.
  • a temperature control is preferably also in the case of the distribution cylinder 13; 15; 22; 25; 27 of the inking 08 or 20 provided.
  • the temperature of the forme cylinder 07 and the distribution cylinder 13; 15; 22; 25; 27 is preferably carried out from the inside by means of a suitable fluid, esp. A suitable liquid, for. B by a flowable temperature control, z. B water, the distribution cylinder 13; 15; 22; 25; 27 or the forme cylinder 07 flows through the jacket surface.
  • the lateral surface of the distribution cylinder 13; 15; 22; 25; 27, for example, held in the temperature range between 22 ° C and 40 ° C and the lateral surface of the forme cylinder 07 in the temperature range z. B between 20 ° C and 30 ° C.
  • the distribution cylinder 13; 15; 22; 25; 27 and / or the forme cylinder 07 have z.
  • B has an axial length of 500 mm to 1,700 mm, in particular 1,200 mm to 1,300 mm, in six plate-width machines between 1,800 mm and 2,500 mm.
  • the tack of the ink influenced in addition to the separation of printing and non-printing areas, but also the strength of a plucking in the interaction of a color-leading transfer cylinder 06 with the substrate 03.
  • the substrate 03 as uncoated, low-density newsprint with very good absorbency, ie open-pore and with very low impact time is carried out, increases the risk of loosening caused by fibers or dust. This danger is but z. B also for used in web offset printing lightly coated or lightweight, coated paper grades with a coating weight of z.
  • the temperature is particularly suitable for uncoated or coated papers with a coating weight of less than 20 g / m 2 .
  • the tempering may be advantageous if it is determined that the stroke is due to increasing tackiness of the paper (at least in part) "deducted" is.
  • the relative speed during the detachment process is also significant.
  • H. when splitting or loosening the ink a crucial role.
  • the ink produced at higher production speed v ( Figure 1, corresponds to the surface or unwinding speed v of the printing cylinder 06 or the conveying speed of the printing material 03, measured eg in m / s) in the gap both between the inking roller 12, 21st and the printing forme 04 of the forme cylinder 07 as well as between the printing forme 04 of the forme cylinder 07 and the blanket 10 on the transfer cylinder 07 greater tear-off forces.
  • the tack value of printing inks used in waterless offset printing is z. B in the range between 2 and 16, which is to strive for a trouble-free printing, the tack value to values z. B to stabilize between 6 and 9.5, in particular between 7 and 8.5.
  • the tack value is constant in the entire range of the production speed v of 1 m / s to 16 m / s and in the entire range of the relevant for the printing process temperature of 15 ° C to 50 ° C, preferably from 25 ° C to 35 ° C.
  • a printing ink is to be used, which in the entire range for the production speed v of 1 m / s to 16 m / s, in particular 3 m / s to 16 m / s, and / or in the entire range for the temperature of 15 ° C to 50 ° C, in particular between 22 ° C and 40 ° C, a tack value of 4 does not fall below 12 and does not exceed.
  • the viscosity of the printing ink is also a decisive influencing factor for the print quality.
  • the viscosity of the ink is z. B according to the standard ISO 12644: 1996 (E). Their value can be z. B according to the above standard with a bar viscometer or z. B with the measuring method according to Höppler be determined with a falling ball viscometer.
  • the viscosity is a highly dependent on the temperature variable. As the temperature increases, printing inks show a significant drop in their viscosity in the temperature range between 15 ° C and 50 ° C, in particular between 22 ° C and 40 ° C, which is relevant for the printing process.
  • the value of the viscosity for suitable printing inks in the temperature range between 22 ° C and 40 ° C, preferably of 27 ° C, below 350 Pa * s, in particular between 10 Pa * s and 150 Pa * s.
  • the printing form 04 used is to be adapted to the printing method and / or to the printing ink used.
  • the printing form 04 has raster lines (not shown), wherein the raster lines z. B between 50 and 120 lines per centimeter.
  • the printing plate 04 can have raster lines with a screen frequency between 50 and 70 lines per centimeter, preferably 60 lines per centimeter, whereas when using a tendency to higher viscosity ink, the grid lines are formed with a screen frequency between 80 and 120 lines per centimeter ,
  • the grid lines may have a depth between 20 microns and 200 microns and z. B by laser, e.g. be introduced by means of a CO2 laser.
  • the promotion and / or dosage of the color in the pumping 08; 20 trained inking units 08; 20 takes place by means of metering pumps, which is based on the Mikroschwringkal, in particular by means of rotary displacement pumps with externally toothed rotor 31, z. B inner rotor 31 and internally toothed rotor 32, z. B outer rotor 32, which are slightly eccentric to each other.
  • metering pumps which is based on the Mikroyakringtex
  • rotary displacement pumps with externally toothed rotor 31, z. B inner rotor 31 and internally toothed rotor 32, z. B outer rotor 32, which are slightly eccentric to each other.
  • During the rotation of the rotors 31; 32 about their offset axes of rotation 33; 34, z. B axes 33; 34 enlarge the delivery chambers 35 on the suction side, while simultaneously shrinking on the pressure side (kidney-shaped shown in Fig. 8).
  • Outer and inner rotor 32; 31 are in meshing engagement with their cycloid-shaped teeth and form a system of multiple sealed delivery chambers 35 during rotation at all times. The number of teeth of internal and external teeth are different.
  • the delivery chambers 35 enlarge on the suction side, while at the same time shrinking on the pressure side, as this is shown schematically on a hatched filled delivery chamber 35 in Fig. 8 a) to d).
  • Fig. 9 shows the conception of the pumping ink 08; 20, wherein from a color reservoir 40, z. B a reservoir 40 of a central ink supply, color by means of a pump 50 and a compressor 50 is conveyed to the applicator 38.
  • To order bar 38 per printing unit 05
  • the supply line 39 is preferably a pressure regulator 41, z. B, a pressure reducer 41, arranged through which independent of the form a behind-lying pressure P 0 in the flow 39 to the metering pump 42 is adjustable.
  • the pressure P 0 is set to at least 2 bar (over ambient), in particular to 3 to 5 bar in the flow 39.
  • a filter 43 can be arranged on the path of the ink from the ink reservoir 40 to the metering pump 42.
  • metering pumps 42 are provided, which are supplied together via the flow 39.
  • the applicator bar 38 in an advantageous embodiment, an axially extending "suburb reservoir" 44, z. B in the form of over one, two or more pressure sides reaching, transverse tube 44 (Farbzutechnischang 48), with the appropriate number of lines leading to the respective metering pumps 42 45 have (Fig. 10). All metering pumps 42 have their own motor 46 and are individually controllable.
  • the reference numeral 60 designates a controller for the motor 46, which is preferably designed as a stepping motor 46, wherein the control of the stepper motors 46 and therefore of the metering pump device 09 via the control station is possible.
  • the motors 46 are controllable so that their rotor is movable in each case in a predetermined rotation angle.
  • FIG. 11 additionally shows a pressure oil supply 49 for a sealing seal.
  • a cross section in the region of the inlet and / or outlet into or out of the metering pump 42 (and preferably the Channels 51) should be due to the high viscosity z. B. at least 10 mm 2 , in particular at least 15 mm 2 .
  • V max eg 10,000 or 15,000 mm 3
  • a minimum cross-sectional area Q should be chosen such that Q ⁇ 1 / (1,000 mm) * V max . This should preferably apply to the entire supply path between Farbzu 150092 to (kidney-shaped) inlet opening 36 and / or from the (kidney-shaped) outlet opening 37 to the discharge opening.
  • Figs. 12 and 13 show the pumping inking unit 08; 20 in the embodiment substantially according to FIG. 11, the device being movable, in particular pivotable, in the printing unit 05 or inking unit 08; 20 is mounted and abuts in its functional position on a stop 52 and can be clamped by means of a clamping lever 53 in its operating position.
  • the motor 46 is preferably as a stepping motor 46, z. B with a resolution of at least 100, in particular between 200 and 400 steps per revolution executed. So can an extremely low flow rate at sufficient accuracy can be achieved.
  • Fig. 15 as a unit 59, the pump unit (with externally toothed inner rotor and innenverieretem outer rotor), the drive shaft 61 and a sealing seal 62 is shown.
  • the barrier seal 62 is provided with two seals 63 (eg Teflon) surrounding the drive shaft 61 and an intermediate pressure chamber 64 in which pressurized oil is held. If the seal does not completely seal off, then at most a small amount of oil will flow towards the pump chamber.
  • Fig. 16 advantageous features for design and / or operation of the metering pump 42 are shown. Of particular importance in this case is a width of less than 50 mm, in particular 35 to 43 mm, in the axial direction (FIG. 8) of the inking unit 08; 20.
  • a kind of "array" of juxtaposed metering pumps 42 per zone (corresponding to the individual color meter in conventional film inking units) is possible.
  • a range of 0.001 l / h to 1,000 l / h or even 1,500 l / h ensures a particularly reliable supply for the smallest (eg 1%) to the largest area coverage (eg 100%) in the printed image - and this in the range of Production speeds from 4,000 U / h to z.
  • the paint pump is a requirement that they in the entire above-mentioned control range, the flow rate to z. B controls exactly 1%. This is made possible by one or more of the abovementioned measures (above-mentioned cross sections and / or use of an above-mentioned stepping motor 46 and / or short paths due to the possible arrangement of the pump on the application strip 38 and / or formation of the pumping unit as above-mentioned micro-toothed ring pump).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP06111233A 2005-04-02 2006-03-16 Mécanisme d'encrage par pompage d'une machine à imprimer avec une pluralité de pompes de dosage Withdrawn EP1707360A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510015197 DE102005015197B4 (de) 2005-04-02 2005-04-02 Druckmaschine mit mindestens einem Druckwerk

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Publication Number Publication Date
EP1707360A2 true EP1707360A2 (fr) 2006-10-04
EP1707360A3 EP1707360A3 (fr) 2008-08-06

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DE (1) DE102005062897A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006040388A1 (de) * 2006-08-29 2008-03-13 Maschinenfabrik Wifag Anordnung von Drucktüchern auf Druckzylindern einer Rotationsdruckmaschine
WO2009101251A2 (fr) * 2008-02-12 2009-08-20 Upm-Kymmene Oyj Procédé et dispositif pour mesurer la pression dans la pince et/ou le profil de pression dans la pince d'une unité d'impression d'une presse à imprimer

Citations (5)

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Publication number Priority date Publication date Assignee Title
US3065693A (en) 1958-07-01 1962-11-27 Hoe & Co R Printing machine ink pumping system
DE1222510B (de) 1961-03-30 1966-08-11 Maschf Augsburg Nuernberg Ag Farbwerk fuer Rotationsdruckmaschinen
WO1999011459A1 (fr) 1997-09-03 1999-03-11 Goss Graphic Systems, Inc. Appareil et procede d'impression lithographique au moyen d'un mecanisme de precision d'alimentation en encre a l'eau
DE10157270A1 (de) 2001-11-22 2003-06-12 Koenig & Bauer Ag Verfahren und Vorrichtung zur Regelung einer Rotationsdruckmaschine
DE10329427A1 (de) 2003-07-01 2005-02-10 Koenig & Bauer Ag Verfahren zum Betrieb eines Farbwerks

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DE2043078A1 (de) * 1970-08-31 1972-03-09 Lau W Einrichtung zum dosierten Abgeben eines flüssigen Mediums, z.B. Farbe, an Walzen in Druckwerken von Druckmaschinen
DE2626006A1 (de) * 1976-06-10 1977-12-22 Maschf Augsburg Nuernberg Ag Pumpfarbwerk fuer eine druckmaschine
DE19859437A1 (de) * 1998-12-22 2000-06-29 Heidelberger Druckmasch Ag Farbwerk
JP3562511B2 (ja) * 2001-12-25 2004-09-08 株式会社東京機械製作所 印刷機用ポンプ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065693A (en) 1958-07-01 1962-11-27 Hoe & Co R Printing machine ink pumping system
DE1222510B (de) 1961-03-30 1966-08-11 Maschf Augsburg Nuernberg Ag Farbwerk fuer Rotationsdruckmaschinen
WO1999011459A1 (fr) 1997-09-03 1999-03-11 Goss Graphic Systems, Inc. Appareil et procede d'impression lithographique au moyen d'un mecanisme de precision d'alimentation en encre a l'eau
DE10157270A1 (de) 2001-11-22 2003-06-12 Koenig & Bauer Ag Verfahren und Vorrichtung zur Regelung einer Rotationsdruckmaschine
DE10329427A1 (de) 2003-07-01 2005-02-10 Koenig & Bauer Ag Verfahren zum Betrieb eines Farbwerks

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006040388A1 (de) * 2006-08-29 2008-03-13 Maschinenfabrik Wifag Anordnung von Drucktüchern auf Druckzylindern einer Rotationsdruckmaschine
WO2009101251A2 (fr) * 2008-02-12 2009-08-20 Upm-Kymmene Oyj Procédé et dispositif pour mesurer la pression dans la pince et/ou le profil de pression dans la pince d'une unité d'impression d'une presse à imprimer
WO2009101251A3 (fr) * 2008-02-12 2009-12-03 Upm-Kymmene Oyj Procédé et dispositif pour mesurer la pression dans la pince et/ou le profil de pression dans la pince d'une unité d'impression d'une presse à imprimer

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EP1707360A3 (fr) 2008-08-06

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