EP2741916B1 - Procédé pour ajuster une quantité de nettoyant contenant un solvant - Google Patents

Procédé pour ajuster une quantité de nettoyant contenant un solvant Download PDF

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Publication number
EP2741916B1
EP2741916B1 EP20120735229 EP12735229A EP2741916B1 EP 2741916 B1 EP2741916 B1 EP 2741916B1 EP 20120735229 EP20120735229 EP 20120735229 EP 12735229 A EP12735229 A EP 12735229A EP 2741916 B1 EP2741916 B1 EP 2741916B1
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EP
European Patent Office
Prior art keywords
printing
printing press
detergent
solvent
amount
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP20120735229
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German (de)
English (en)
Other versions
EP2741916A1 (fr
Inventor
Andreas Ewald Heinrich Bernard
Burkhard Wolfgang LIEBLEIN
Patrick Schneppe
Christian Weidler
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
Original Assignee
Koenig and Bauer AG
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Filing date
Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP2741916A1 publication Critical patent/EP2741916A1/fr
Application granted granted Critical
Publication of EP2741916B1 publication Critical patent/EP2741916B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • B41F35/04—Cleaning arrangements or devices for inking rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/26—Spraying devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/30—Recovering used solvents or residues

Definitions

  • the invention relates to a method for adjusting an amount of a solvent-containing detergent according to the preamble of claim 1.
  • a printing machine having at least one roller inking unit, wherein a printing ink is applied to the at least one roller of this inking unit, wherein a washer is provided, with which a detergent containing at least one solvent on the at least one roller of the inking unit can be applied individual process steps for applying the detergent to the at least one roller of the inking unit are controlled by a control unit.
  • an inking unit for rotary printing machines with ink rollers with a device for applying detergent to the inking rollers and with a device for doctoring off the color-contaminated cleaning liquid from a roller of the hard shell inking unit, wherein the fresh detergent is applied via nozzles on a paint roller , wherein the cleaning agent is metered onto the inking roller via the nozzles, wherein different cleaning fluids and different cleaning programs can be carried out.
  • the invention has for its object to provide a method for adjusting an amount of a solvent-containing detergent.
  • This is the detergent of a washer directly to at least one ink-carrying roller of an inking unit of a printing press z.
  • the achievable with the present invention consist in particular in that in an inking unit introduced by a detergent solvent is quantitatively controlled and introduced as needed.
  • the introduction of the detergent into the inking unit in particular during a run-up of the printing machine. Because existing by the introduction of the detergent in the inking, possibly at least partially already sticky and thus unsuitable for printing old paint, ie ink is dissolved and conditioned by the current run-up of the printing press preceding printing, this can mixed with the introduced solvent old paint in the now run-up of the printing press can be quickly removed from the respective inking unit, so that this inking is ready in a very short time again for a new printing process.
  • the proposed introduction of the detergent into the inking unit thus contributes to making the printing press ready for the new printing process as quickly as possible, whereby this readiness is controlled and thus automated.
  • the performance limits of a z. B. in a commercial press the printing process downstream dryer observed and not exceeded in those operating situation when applied in addition to the ink or inks, each already contains a certain proportion of a solvent, a further amount of solvent applied to the substrate and the dryer is transported.
  • Fig. 1 shows by way of example in a simplified representation arranged on a foundation 02, consisting of several modules or modules printing press 01, z. B. a rotary printing machine, in particular a commercial press, in which for the execution of the printing process, a substrate 03, z. B. a web of material 03, in particular a paper web, is guided substantially horizontally through this printing press 01.
  • the illustrated printing machine 01 has z. B. several, here four in the transport direction of the material to be printed web 03 successively arranged pressure units 06; 07; 08; 09, wherein in each of these printing units 06; 07; 08; 09 a printing ink is printed with a different color or at least printable.
  • the transport direction of the material to be printed web 03 is in the Fig.
  • the illustrated printing machine 01 thus provides a multi-color printing, z. B. usable in four-color printing press 01, in Transport direction of the web to be printed 03 different inks on this web 03 applies.
  • the printing units 06; 07; 08; 09 are z. B. substantially identical design, which is why the same position numbers are used for the same components below.
  • the printing units 06; 07; 08; 09 are each preferably equipped with double printing, which the web 03, between the two mutually employed printing units 12; 13 of the same printing unit 06; 07; 08; 09 is guided through, print on both sides by means of their respective at least one printing unit cylinder.
  • Each of the printing units 12; 13 has at least one at least one roller exhibiting, hired at the respective printing cylinder or at least engageable inking unit 16; 17 on, if necessary, a dampening unit.
  • At least one of the printing units 12; 13, but preferably each of the printing units 12; 13 is a respective to the respective inking unit 16; 17 acting washer 18; 19 associated with the washing station concerned 18; 19 z. B. one in the axial direction of the at least one roller of the respective inking unit 16; 17 extending spray bar, by means of which a detergent directly and preferably non-contact on the lateral surface of the at least one roller of the respective inking unit 16; 17 z. B. is applied by spraying or at least be applied.
  • the at least one print-off position of the printing cylinder having operating situation of the relevant printing unit 06; 07; 08; 09 is in a subsequent to the spraying of the detergent process step on the lateral surface of the at least one roller of the respective inking unit 16; 17 applied detergent together with the dissolved and / or detached residues of the detergent present on the outer surface of the respective roller inked by means of a staff employed on the inking roller concerned squeegee with the detergent dissolved and / or detached from the lateral surface of the at least one roller of the respective inking unit 16; 17 removed, consisting of the detergent and the ink mixture which z. B. of a mud-like consistency, z. B. is collected in a tub and is ready in this way for disposal.
  • the conventional inking unit washing is not provided that on the lateral surface of the at least one roller of the respective inking unit 16; 17 applied detergent on the material to be printed web 03 passes.
  • the invention provides that on the at least one roller of the respective inking unit 16; 17 preferably applied by spraying detergent on the surface of this roller deposited, originating from an earlier printing process printing ink and / or conditioned, d. H. this ink residue in the viscosity and / or tack properties adjusted to a usable value, d. H. to a respective value at which these ink residues are discharged from the inking unit, wherein the removal of the ink residue is effected in that these ink residues together with the introduced into the inking detergent ultimately by means of at least one with the inking unit 16 concerned; 17 cooperating printing cylinder of the relevant printing unit 12; 13 are transferred to the material to be printed web 03.
  • the relevant inking unit 16; 17 applied detergent together with the existing on the outer surface of the respective roller ink in the form of a mixture applied to the web 03 to be printed.
  • the printing units 06; 07; 08; 09 in the transport direction of the material to be printed web 03, a dryer 11, in particular a continuous dryer, downstream, in which at least the means of at least one of Printing units 06; 07; 08; 09 printed on the web 03 printed ink is dried, which are released by evaporation and curing flammable substances.
  • a drying temperature for a used in a vapor space of the dryer 11 heating medium, for. B. air, z. In the range of 160 ° C and 200 ° C.
  • Both the detergent and the respective printing ink each contain at least one solvent, which in the running in the dryer 11 drying process, for. B. while the web 03 passes through the vapor space of the dryer 11, is volatilized.
  • a continuous dryer is z. B.
  • the amount of solvent to be volatilized in the dryer 11 is composed of a proportion of solvent in the detergent and a proportion of solvent in the printing ink.
  • the respective proportion of solvent in the detergent and in the printing ink is usually different from each other.
  • the proportion of solvent z. In the range of 30% and 40%, preferably about 35%.
  • the respective proportions of solvent resulting from the detergent and from the at least one printing ink can differ from each other not only in their respective amount but also in their respective evaporation factor.
  • Solvents are usually flammable substances, because they are used for. For example, hydrocarbons and / or other flammable substances that may result in their release above a certain concentration in combination with oxygen to an ignitable gas mixture. In the dryer 11, therefore, the amount of verflthroughdem combustible solvent may be a z. In DIN EN 1539 i d. Do not exceed the limit value specified in August 2010 to avoid reaching a critical concentration and thus an explosion hazard in the dryer 11.
  • a material web 03 is printed in each case with a printing ink at a number of n printing locations.
  • n 4
  • a continuation of the printing process when restarting the printing machine 01 can then cause problems because this ink has lost at least in part their transportability, ie this ink is difficult due to their stickiness from the inking unit 16; 17 to dissipate in the direction of the material to be printed web 03.
  • this operating situation of the printing machine 01 is by means of the respective washing system 18; 19 a solvent-containing detergent in the inking unit 16; 17 in particular by spraying on the relevant roller of this inking unit 16; 17 registered to the on the at least one roller of this inking unit 16; 17 diluted ink to dissolve and dissolve and thus make it more transportable.
  • Fig. 2 shows one of the printing units 06; 07; 08; 09 of the Fig. 1 in their respective structure again in more detail.
  • each of the two printing units 12; 13 each formed as an offset printing unit, each printing unit 12; 13 has two printing cylinder, one of which in the form of a forme cylinder 21; 23 and the other than one with the relevant forme cylinder 21; 23 cooperating transfer cylinder 22; 24 is formed, wherein at each of these form cylinder 21; 23 each a particular multi-rolling inking unit 16; 17 is employed or at least employable.
  • the two transfer cylinders 22; 24 of the two printing units 12; 13 employed against each other, wherein the substrate 03 in the nip between the two transfer cylinders 22; 24 is guided through.
  • the respective printing unit 12; 13 associated car wash 18; 19 is arranged so that they, if necessary, in particular by spraying each detergent on at least one of the already provided with ink rollers of the respective inking unit 16; 17 applies, wherein at least a portion of this detergent with an inking set 16; 17 in the print-on position of the printing cylinder on the respective form cylinder 21; 23 and the associated transfer cylinder 22; 24 on the substrate 03, ie the web 03 passes.
  • the relevant printing unit 06; 07; 08; 09 of the printing press 01 in an operating situation in which this printing unit 06; 07; 08; 09 can participate in a printing process, if at least the inking unit 16 concerned; 17 is employed on the printing cylinder assigned to it.
  • each of the washers 18; 19 is each of a control unit 26; 27 controlled.
  • the respective control unit 26; 27 determined due to at least one z. B. stored in it, what amount of detergent per unit time of the respective washer 18; 19 to the at least one roller of the respective inking unit 16; 17 is to be delivered, wherein the of the respective washer 18; 19 to the at least one roller of the relevant Inking unit 16; 17 dispensed amount of detergent is preferably limited by this definition.
  • the of the respective control unit 26; 27 to be taken into account is z. B. in a limiting the amount of detergent to be dispensed limiting value and / or in the form of a functional relationship, this functional context in particular an operation of the printing machine 01 taken into account during their run-up or their startup from standstill on their production speed.
  • Fig. 3 shows as an example of a functional relationship a Cartesian coordinate diagram, in which depending on a speed v03, with which the printing material 03, in particular the material web 03, is moved through the printing press 01, both a quantity mF of solvent, the at least one ink applied to the substrate 03, as well as the amount of mW of solvent which is applied by the detergent as a result of the printing material 03, and the respective mS of the mixture of these two amounts mF relative to a certain speed v03 of the printing material 03; mW are shown.
  • the speed v03 of the printing material 03 comprises a range from standstill of the printing press to its production speed, ie, up to the speed at which this printing press produces print copies as intended.
  • the speed v03 of the printing substrate 03 is z. In a range of 0 m / s to 15 m / s.
  • the respective amount mF; mW; mS of solvent is given in g / s.
  • Individual values for the amount mF of solvent which applies the at least one printing ink to the printing substrate 03 are indicated in the example shown by a square.
  • Individual calculation values for the amount mW of solvent resulting from the washing agent as a function of the printing substrate 03 as a function of a specific speed v03 of the printing substrate 03 are in each case indicated by a rhombus in the example shown.
  • the control of the relevant control unit 26; 27 ensures as a result that the respective sum mS of the mixture of these two aforementioned quantities mF, referred to a specific speed v03 of the printing material 03; mW of solvent remains largely constant, and preferably over the entire range of speed v03, with which the printing material 03 is moved during startup of the printing machine 01 from its standstill to its production speed through this printing machine 01.
  • Fig. 3 is a concrete numerical example for the respective quantities mF with respect to a speed v03 of about 3 m / s of the moving through the printing press 01 substrate 03; mW; mS indicated to solvent. So here are z. B. 8 g / s solvent applied by the at least one ink on the substrate 03. Since in this example a total of 41 g / s of solvent may be applied to this printing substrate 03 without exceeding the performance of the dryer 11, there is still the option of applying up to 33 g / s of solvent contained in the detergent to this printing substrate 03.
  • the relevant control unit 26; 27 now fits the at least one roller of the respective inking unit 16; 17 dispensed amount of detergent as needed to the aforementioned z.
  • the control unit 26; 27 can set the set of it to the at least one roller of the respective inking unit 16; 17 to be dispensed amount of detergent either at the determined value or the control unit 26; 27, the at least one roller of the respective inking unit 16; 17 to be dispensed amount of detergent with increasing speed v03 for the substrate 03 steadily, preferably ultimately throttling to zero.
  • Fig. 4 shows in a graph by way of example a ramp-up curve of a printing press 01, ie a speed profile of this printing press 01, this print machine 01 from its standstill preferably fully automated, ie without manual intervention by operators, is raised to its production speed.
  • the abscissa of the diagram shows the course of time in seconds.
  • the ordinate indicates a rotational speed for the printing unit cylinders in revolutions per hour, this rotational speed corresponding to the speed v03 for the printing substrate 03 guided by the printing press 01.
  • the run-up is divided into several successive phases A, B, C, D, E, F.
  • the run-up of the printing press 01 is z. B. programmatically, after an operator has given a start command to the responsible for this run-up control unit.
  • This control unit is z. B. operated on a belonging to this printing press 01 control center.
  • a first phase A of the startup starts at time t0 with the z. B. triggered at the control center start command.
  • this first phase A is z. B. the dryer 11 on his Operational readiness checked and placed in a standby mode.
  • a time t1 ends the first phase A of the run-up and the currently still in their print-off position arranged printing cylinders of the printing press 01 are rotated by their respective drive in rotation, whereby a second phase B of the run-up is initiated, the speed of this Printing cylinder from standstill to a first speed level n1 z. B. is raised along a first ramp.
  • the respective inking units 16; 17 are still parked in the second phase B of the run-up of the respectively relevant printing cylinder, but it is the at least one roller of the respective inking unit 16; 17 already set in rotation at time t1.
  • the dryer 11 begins to heat to its operating temperature.
  • the dryer 11 starts z. B. another, especially next higher blower level.
  • the second phase B of the run-up ends at a time t3 when the first speed level n1 is reached, wherein the first speed level n1 itself marks a third phase C of the run-up.
  • n1 Even before reaching this first speed level n1 begins - if in the relevant pressure unit 06; 07; 08; 09 in association with a occupied with at least one blanket transfer cylinder 22; 24 a blanket washing system is installed at all - a washing time tW carried out by the relevant blanket washing system, by the blanket washing system at a time t2 at a speed n0 which is less than the first speed level n1, a detergent at the transfer cylinder 22 associated with this blanket washing system; 24 begins to deliver.
  • the washing time tW extends z. Over a period of 20 s ⁇ 10 s.
  • the first speed level n1 and the third phase C is held at least until the end of the washing time tW and ends at a time t4, at which the speed of the printing cylinder z. B. ramp up along a second ramp up to a second speed level n2.
  • a dampening unit to the printing cylinder ie at a working in a wet offset printing press 01 to the forme cylinder 21; 23 is hired.
  • the fourth phase D of the run-up ends at a time t8 when the second speed level n2 is reached.
  • the second speed level n2 forms during startup of the printing machine 01 a fifth phase E, this fifth phase E is also referred to as a set-up phase E.
  • the units of the printing press 01 which have already been set to their operative readiness to execute a printing process, are set up in their respective properties specifically for the upcoming new production and thus set production-dependent. These units include at least one printing unit 12; 13 of this printing machine 01, at least one to the relevant printing unit 12; 13 associated inking unit 16; 17, optionally also at least one dampening unit and optionally the dryer 11 and, if required, further units.
  • the speed n2 is in the range z. B. from 10,000 U / h to 15,000 U / h.
  • the Guttik begins, ie the aggregates the printing press 01 are now set so that the printed products to be produced in the forthcoming production can now be printed in their intended condition.
  • the control unit 26; Fig. 27 illustrates that of the washer 18; 19 to the at least one roller to be dispensed amount of detergent in particular as a function of that speed v03, with which enters the printing machine 01 to be printed substrate 03 in the dryer 11, to a certain value and / or limits this amount of detergent in dependence from this speed v03 corresponding to the speeds in the range from n5 to n2.
  • the spraying of the respective at least one rotating roller of the inking unit 16; 17 ended with detergent at the latest when the set-up phase E or preferably even before the start-up of the printing press 01 Einrichtephase E is achieved, because with the achievement of Einrichtephase E ink residues from an earlier production from the inking unit 16; 17 already be displaced.
  • the inking unit 16; 17 should be ready for the upcoming new production at the beginning of set-up phase E with a proper flow of color. Otherwise, a disturbed or at least not yet correct color flow from the inking unit 16; 17 extend setup phase E, which would lead to increased unwanted waste production.
  • the printing material 03 is an expensive material in the production of printed products
  • the goal is to design the setup phase E as short a time as possible in order to accelerate the printing press 01 to its production speed at the end of this setup phase E.
  • the second speed level n2 then ends after a successful set up of the printing machine 01 at a time t9, which is started in a sixth phase F, the speed of the printing cylinder z. B. ramp up along a third ramp to its production speed corresponding to the production speed n6, said production speed n6 is several ten thousand revolutions per hour, z. B. 60,000 U / h.
  • the solution found helps the press 01 quickly in their To bring pressure readiness and to avoid overdosing of a possibly provided dryer 11 with solvent. This is just an automated startup of the printing press 01 efficiently supported. In addition, the solution found contributes to increased reliability because it helps to avoid a critical operating situation for the dryer 11.
  • the solution consists in a method for adjusting an amount of a solvent-containing detergent, wherein the detergent from a arranged in a printing press 01 washer 18; 19 is released during startup of this printing machine 01, wherein a control unit 26; 27, the washer 18; 19 controls, wherein the of the car wash 18; 19 dispensed detergent on at least one roller of an inking unit 16; 17 of this printing press 01 is applied, said roller carries a solvent-containing ink, wherein the application of solvent-containing detergent to the at least one inked roller of the inking unit 16; 17 is terminated at the latest when the phases A in its run-up have several consecutive phases; B; C; D; e; F continuous printing machine 01 reaches its Einrichtephase E.
  • the of the washer 18; 19 dispensed detergent directly to the at least one roller of the inking unit 16; 17 of this printing press 01 is applied by spraying on the lateral surface.
  • the at least one roller of the inking unit 16; 17 usually carries ink from a previous run-up of the printing press 01 preceding printing, the ink of the washing system 18; 19 dispensed detergent at least is dissolved.
  • the control unit 26; Fig. 27 illustrates that of the washer 18; 19 on the at least one roller of the inking unit 16; 17 to be applied amount of solvent-containing detergent to a certain value and / or limits this amount.
  • control unit 26; 27, the washing system 18; 19 adjusts and / or limits the amount of detergent to be applied to the at least one roller such that a sum mS of a mixture consisting of an amount mW of the solvent contained in the detergent and an amount mF of the solvent contained in the printing ink remains below a predetermined barrier value.
  • the value of the sum mS of the mixture consisting of the amount mW of the solvent contained in the detergent and the amount mF of the solvent contained in the ink is at least in a partial range of speed v03, with which the substrate 03 at a startup of the printing machine 01 by this printing press 01 is moved through, set to the same value and / or limited.
  • the of the car wash 18; 19 on the at least one roller of the inking unit 16; 17 to be applied amount of detergent and / or on the at least one roller of the inking unit 16; 17 applied solvent-containing ink is or will be transferred to a printing substrate 03 to be printed in the printing press 03 and fed to this substrate 03 to a dryer 11.
  • the control unit 26; Fig. 27 illustrates that of the washer 18; 19 on the at least one roller of the inking unit 16; 17 amount of detergent to be applied in dependence on a speed v03, with which enters a to be printed in the printing machine 01 substrate 03 in the dryer 11, on the specific value and / or limits this amount. To this value.
  • control unit 26; 27, the washing system 18; 19 on the at least one roller of the inking unit 16; 17 sets to be applied amount of detergent in response to a the dryer 11 supplied by the ink amount of solvent to the specific value and / or limited. Both on the at least one inked roller of the inking unit 16; 17 applied Amount mW of the solvent contained in the detergent and the amount mF of the solvent contained in the ink are each at least partially volatilized in the dryer 11.
  • control unit 26; 27, the washing system 18; 19 on the at least one roller of the inking unit 16; 17 to be applied amount of solvent-containing detergent at least in a partial range of speed v03, with which the printing material 03 is moved during startup of the printing press 01 through this printing press 01, with increasing speed v03 sets to an ever lower value, or that the control unit 26; 27, the washing system 18; 19 on the at least one roller of the inking unit 16; 17 to be applied amount of solvent-containing detergent at least in a partial range of speed v03, with which the substrate 03 is moved during startup of the printing press 01 through this printing press 01, proportional to an increase in the speed v03 of moving through the printing press 01 substrate 03rd Increasing amount mF of the solvent contained in the ink is reduced.
  • the control unit 26; Fig. 27 illustrates that of the washer 18; 19 on the at least one roller of the inking unit 16; 17 to be applied amount of solvent-containing detergent to the specified value and / or limits this amount, while at least one of the ink transferring printing unit cylinder of the printing machine 01 is in its print-off position and the inking unit 16; 17 is turned off by the associated printing cylinder.
  • Applying solvent-containing detergent to the at least one inked roller of the inking unit 16; 17 is preferably terminated before the at least one of the ink transferring printing unit cylinder of the printing press 01 brought into its print-on position and the inking unit 16; 17 are employed on the associated printing cylinder.
  • a first phase A of the startup of the printing press 01 the dryer 11 is checked for readiness for operation and put into standby mode.
  • the printing unit cylinders 01 of this printing press 01 which are still in their printing-off position, are set in rotation by their respective drive.
  • a blanket washing machine supplies a washing agent to a blanket washing machine associated with this as a transfer cylinder 22; 24 trained printing cylinder of the printing machine 01 from.
  • a fourth phase D of startup of the printing machine 01 are initially present - a dampening unit and then the inking unit 16; 17 employed in each case to the respective printing cylinder, otherwise in this phase D only the inking unit 16; 17 employed to the respective printing cylinder.
  • a fifth phase E of the run-up of the printing machine 01 is referred to as its Einrichtephase E.
  • the setup phase E of the printing machine 01 is a speed n2 of the respective printing cylinder z. B. in the range of 10,000 U / h to 15,000 U / h.
  • the respective rotational speed of the relevant printing cylinder is in each case raised to its production speed corresponding to a production speed n6.

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Claims (15)

  1. Procédé de réglage d'une quantité d'un nettoyant contenant un solvant, où le nettoyant est délivré par une installation de nettoyage (18 ; 19) disposée dans une machine à imprimer (01) pendant une montée en régime de ladite machine à imprimer (01), où une unité de commande (26 ; 27) commande l'installation de nettoyage (18 ; 19), où le nettoyant délivré par l'installation de nettoyage (18 ; 19) est appliqué sur au moins un rouleau d'un groupe d'encrage (16 ; 17) de ladite machine à imprimer (01), où ledit rouleau porte une encre d'impression contenant un solvant, où l'application de nettoyant contenant un solvant sur le ou les rouleaux du groupe d'encrage (16 ; 17) pourvu d'encre d'impression est terminée au plus tard quand la machine à imprimer (01) passant par plusieurs phases (A ; B ; C ; D ; E ; F) successives lors de sa montée en régime atteint sa phase de réglage (E), où l'unité de commande (26 ; 27) règle et/ou limite à une valeur définie la quantité de nettoyant contenant un solvant à appliquer par l'installation de nettoyage (18 ; 19) sur le ou les rouleaux du groupe d'encrage (16 ; 17), caractérisé en ce que l'unité de commande (26 ; 27) règle et/ou limite la quantité de nettoyant contenant un solvant à appliquer par l'installation de nettoyage (18 ; 19) sur le ou les rouleaux, de telle manière qu'une somme (mS) d'un mélange composé d'une quantité (mW) du solvant contenu dans le nettoyant et d'une quantité (mF) du solvant contenu dans l'encre d'impression reste inférieure à une valeur seuil prescrite, ladite valeur seuil étant définie par une valeur limite fixée par la norme DIN EN 1539, version d'août 2010, la valeur de la somme (mS) du mélange composé de la quantité (mW) du solvant contenu dans le nettoyant et de la quantité (mF) du solvant contenu dans l'encre d'impression étant réglée et/ou limitée à la même valeur au moins dans une plage partielle de la vitesse (v03) à laquelle le support d'impression (03) est déplacé au travers de la machine à imprimer (01) lors d'une montée en régime de ladite machine à imprimer (01).
  2. Procédé selon la revendication 1, caractérisé en ce que l'installation de nettoyage (18 ; 19) comprend un bras de pulvérisation s'étendant dans la direction axiale du ou des rouleaux du groupe d'encrage (16 ; 17) concerné, au moyen duquel le nettoyant est appliqué sans contact sur la surface périphérique du ou des rouleaux du groupe d'encrage (16 ; 17) concerné.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que, lors de la montée en régime de la machine à imprimer (01), la phase de réglage (E) de celle-ci est atteinte en ce qu'au début de ladite phase de réglage (E), au moins un groupe d'impression (12 ; 13) de ladite machine à imprimer (01) et le ou les groupes d'encrage (16 ; 17) appartenant au groupe d'impression (12 ; 13) concerné sont passés en état d'aptitude au fonctionnement.
  4. Procédé selon la revendication 1, 2 ou 3, caractérisé en ce que le ou les rouleaux du groupe d'encrage (16 ; 17) portent de l'encre d'impression d'un processus d'impression précédant l'actuelle montée en régime de la machine à imprimer (01), l'encre d'impression étant au moins détachée par le nettoyant délivré par l'installation de nettoyage (18 ; 19).
  5. Procédé selon la revendication 1, 2, 3 ou 4, caractérisé en ce que la quantité de nettoyant à appliquer par l'installation de nettoyage (18 ; 19) sur le ou les rouleaux du groupe d'encrage (16 ; 17) et/ou l'encre d'impression contenant un solvant à appliquer sur le ou les rouleaux du groupe d'encrage (16 ; 17) sont transférées sur un support d'impression (03) à imprimer dans la machine à imprimer (01) et conduites vers un séchoir (11) avec ledit support d'impression (03).
  6. Procédé selon la revendication 5, caractérisé en ce que l'unité de commande (26 ; 27) règle et/ou limite à la valeur définie la quantité de nettoyant à appliquer par l'installation de nettoyage (18 ; 19) sur le ou les rouleaux du groupe d'encrage (16 ; 17) en fonction d'une vitesse (v03) à laquelle un support d'impression (03) à imprimer dans la machine à imprimer (01) entre dans le séchoir (11), ou en ce que l'unité de commande (26 ; 27) règle et/ou limite à la valeur définie la quantité de nettoyant à appliquer par l'installation de nettoyage (18 ; 19) sur le ou les rouleaux du groupe d'encrage (16 ; 17) en fonction d'une quantité de solvant amenée au séchoir (11) par l'encre d'impression.
  7. Procédé selon la revendication 1, 2, 3, 4, 5 ou 6, caractérisé en ce que l'unité de commande (26 ; 27) règle la quantité de nettoyant contenant un solvant à appliquer par l'installation de nettoyage (18 ; 19) sur le ou les rouleaux du groupe d'encrage (16 ; 17) à une valeur décroissante à mesure que la vitesse (v03) augmente, au moins dans une plage partielle de la vitesse (v03) à laquelle le support d'impression (03) est déplacé au travers de la machine à imprimer (01) lors de la montée en régime de ladite machine à imprimer (01), ou en ce que l'unité de commande (26 ; 27) diminue la quantité de nettoyant contenant un solvant à appliquer par l'installation de nettoyage (18 ; 19) sur le ou les rouleaux du groupe d'encrage (16 ; 17) proportionnellement à l'augmentation de la quantité (mF) du solvant contenu dans l'encre d'impression, laquelle croît avec la vitesse (v03) du support d'impression (03) déplacé au travers de la machine à imprimer (01), au moins dans une plage partielle de la vitesse (v03) à laquelle le support d'impression (03) est déplacé au travers de la machine à imprimer (01) lors de la montée en régime de ladite machine à imprimer (01).
  8. Procédé selon la revendication 1, 2, 3, 4, 5, 6 ou 7, caractérisé en ce que l'unité de commande (26 ; 27) règle et/ou limite à la valeur définie la quantité de nettoyant contenant un solvant à appliquer par l'installation de nettoyage (18 ; 19) sur le ou les rouleaux du groupe d'encrage (16 ; 17), alors qu'au moins un cylindre de groupe d'impression de la machine à imprimer (01) transférant l'encre d'impression se trouve dans sa position de dégagement et que le groupe d'encrage (16 ; 17) concerné est débrayé du cylindre de groupe d'impression correspondant.
  9. Procédé selon la revendication 1, 2, 3, 4, 5, 6, 7 ou 8, caractérisé en ce que l'application de nettoyant contenant un solvant sur le ou les rouleaux du groupe d'encrage (16 ; 17) pourvus d'encre d'impression est terminée avant que le ou les cylindres de groupe d'impression de la machine à imprimer (01) transférant l'encre d'impression soient mis dans leur position de pressage et que le groupe d'encrage (16 ; 17) concerné soit appliqué contre le cylindre de groupe d'impression correspondant.
  10. Procédé selon la revendication 5, caractérisé en ce que, lors d'une première phase (A) de la montée en régime de la machine à imprimer (01), l'aptitude à fonctionner du séchoir (11) est contrôlée et celui-ci passé en mode standby.
  11. Procédé selon la revendication 8 ou 9, caractérisé en ce qu'au début d'une deuxième phase (B) de la montée en régime de la machine à imprimer (01), les cylindres de groupe d'impression de ladite machine à imprimer (01) encore dans leur position de dégagement sont entraînés en rotation par leurs entraînements respectifs.
  12. Procédé selon la revendication 8 ou 9, caractérisé en ce que lors d'une troisième phase (C) de la montée en régime de la machine à imprimer (01), une installation de nettoyage de blanchet délivre un nettoyant à un cylindre de groupe d'impression de la machine à imprimer (01) associé à ladite installation de nettoyage de blanchet et réalisé comme cylindre de transfert (22 ; 24).
  13. Procédé selon la revendication 8 ou 9, caractérisé en ce que lors d'une quatrième phase (D) de la montée en régime de la machine à imprimer (01), un groupe de mouillage puis le groupe d'encrage (16 ; 17) sont appliqués contre le cylindre de groupe d'impression concerné.
  14. Procédé selon la revendication 8 ou 9, caractérisé en ce qu'une cinquième phase (E) de la montée en régime de la machine à imprimer (01) est qualifiée de phase de réglage (E) de celle-ci.
  15. Procédé selon la revendication 8 ou 9, caractérisé en ce que lors d'une sixième phase (F) de la montée en régime de la machine à imprimer (01), la vitesse de rotation du cylindre de groupe d'impression concerné est élevée jusqu'à une vitesse de rotation de production (n6) correspondant à sa vitesse de production.
EP20120735229 2011-08-12 2012-06-22 Procédé pour ajuster une quantité de nettoyant contenant un solvant Not-in-force EP2741916B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110080896 DE102011080896A1 (de) 2011-08-12 2011-08-12 Verfahren zur Einstellung einer Menge eines Lösungsmittel haltigen Waschmittels
PCT/EP2012/062053 WO2013023824A1 (fr) 2011-08-12 2012-06-22 Procédé pour ajuster une quantité de nettoyant contenant un solvant

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EP2741916A1 EP2741916A1 (fr) 2014-06-18
EP2741916B1 true EP2741916B1 (fr) 2015-04-22

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EP20120735229 Not-in-force EP2741916B1 (fr) 2011-08-12 2012-06-22 Procédé pour ajuster une quantité de nettoyant contenant un solvant

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DE (1) DE102011080896A1 (fr)
WO (1) WO2013023824A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3841411C1 (fr) * 1988-12-08 1990-07-26 Baldwin-Gegenheimer Gmbh, 8900 Augsburg, De
US5259313A (en) * 1991-12-20 1993-11-09 Heidelberg Harris Gmbh Method and apparatus for cleaning an inking mechanism and/or a printing mechanism in printing units of rotary printing machines
DE19711545B4 (de) * 1997-03-20 2005-08-04 Heidelberger Druckmaschinen Ag Farbwerk für Rotationsdruckmaschinen
DE10209856B4 (de) * 2002-03-06 2007-09-20 Man Roland Druckmaschinen Ag Verfahren zur Steuerung der Einbringung von Reinigungsflüssigkeit
DE102007011042B4 (de) * 2006-03-28 2017-06-14 Heidelberger Druckmaschinen Ag Verfahren zum Herstellen eines Sprühbalkens, Sprühbalken und Druckmaschine mit Sprühbalken
DE102007043236B4 (de) * 2006-10-11 2015-01-15 Heidelberger Druckmaschinen Ag Verfahren zur Intensivreinigung eines Farbwerks einer Druckmaschine
DE102007000952A1 (de) 2007-09-20 2009-04-02 Koenig & Bauer Aktiengesellschaft Verfahren zum Hochlauf einer Rotationsdruckmaschine
DE102008045421A1 (de) 2008-09-02 2010-03-04 Technotrans Ag Waschanlage für Druckmaschinen
DE102008047429A1 (de) * 2008-09-15 2010-04-15 Baldwin Germany Gmbh Verfahren und Vorrichtung zum Reinigen von Zylindern einer Rollenrotations-Druckmaschine

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Publication number Publication date
DE102011080896A1 (de) 2013-02-14
EP2741916A1 (fr) 2014-06-18
WO2013023824A1 (fr) 2013-02-21

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