DE102016204549B4 - Method for configuring a drying device in a security printing machine and a printing machine - Google Patents

Abstract

Method for configuring a drying device in a securities printing machine, wherein the securities printing machine has at least one printing unit (19; 23; 19 '; 23') at the printing location (06; 07; 06 '; 07') passing the printing location (06; 07) Sections of a printing material (02) in a cycle (Z) with a cycle length (L) per section fixed to the printing material feed at the printing location (06; 07; 06 '; 07') with a printed image (44) of a printed image length (L44) in which a drying device has a dryer (14; 16; 36) which is arranged downstream of the printing location (06; 07; 06 '; 07') in the printing material path and which comprises a drying agent (38) comprising one or more drying means (14; Radiation is applied to it in at least one track (t; t) running in at least one track (t; t) running in the direction of transport of the printing substrate (02) and also controls the operation of the dryer (14; 16; 36) control device (37) is provided, wherein for the current or upcoming production, a configuration of the drying device with regard to a lateral position and / or width of the at least one by the dryer (14; 16; 36) is applied by adjusting and / or changing this lateral position and / or width using data P originating from a device (89) designed as an inspection system (89); Inspection System (89) selectively detects upstream printed image elements (56) or pixel groups and evaluates them for their print quality.

Description

The invention relates to a method for configuring a drying device in a security printing machine and a printing press.

By the EP 2 025 515 A1 is a screen printing machine with a two pressure points comprehensive printing unit known. The respective pressure point is formed by a staff against a counter-pressure cylinder screen cylinder. In the Bedruckstoffweg between the two pressure points a drying device based on UV radiation is provided by which the applied in the first print spot print pattern can be dried at least superficially. In the second printing location, a printing pattern with printing areas can then be applied, which adjoin the printed areas immediately or even overlap them. For example, a plurality of image elements arranged in rows and columns and comprising these two regions are printed on a printing material sheet.

In the EP 1 648 702 B1 discloses a printing machine with a working according to the screen printing process printing unit, wherein a printing cylinder or cylinder of a conveying path has at least one magnetic element for aligning pigments contained in the ink and the Bedruckstoffweg downstream comprises a dryer.

The EP 2 067 620 B1 relates to a method for drying printed material in multi-color printing, wherein the drying takes place via a one- or two-dimensional array of radiation sources depending on the image content. Data from prepress is used to control the light sources individually or in groups.

The DE 10 2009 007 873 A1 discloses a sheet-fed printing machine wherein a sheet printed with UV light-curing inks is exposed to UV light by irradiating a predetermined range. To this end, the device comprises a plurality of LEDs, which are arranged in predetermined zones in the transverse direction of the sheet and are switched on in accordance with the position and size of predetermined areas. An activation of individual zones in the transverse direction can take place here as a function of the width of the sheet passage area or depending on whether an image is contained in this zone. In the transport direction, a turn on depending on a front and rear end of the image or depending on the distance of a plurality of longitudinally spaced partial images can take place. The irradiation area is calculated by a corresponding calculation unit on the basis of data to be provided before the printing operation.

By the DE 10 2012 215 491 A1 a processing machine and a method for their operation is known, wherein a control center data are supplied with respect to the subject of a job and are fed under consideration of these data control means of a dryer signals through which the dryer on the format width of the substrate zonal activates taking into account the subject and deactivated.

The EP 1 599 340 B1 relates to an ultraviolet curing of coating compositions, wherein the example of a laterally over a printing material oscillating Injektkopf with the head entrained LEDs for selectively drying only printed target surfaces are exposed to radiation. The control takes place z. B. over software, for example, a raster image or other system used in the production of the printed image. In a modification, the control of the LEDs should be transferred to an intermediate dryer or a final dryer of an offset printing press. Alternatively, this should also be transferred to a screen printing in order to allow a controlled drying of a printed substrate before re-printing.

The EP 1 439 071 B1 relates to an inkjet printer having a dryer that is controlled based on a temperature or a humidity measured by a sensor.

Also the US 2007/0206083 A1 relates to an ink jet printer, wherein curing of the ink takes place by irradiation or other application of energy. Irradiation is carried out by led on the ink jet head LEDs, the amount of radiation and a profile in the transport direction of the paper is set differently depending on the paper used.

By the DE 10 2007 040 139 A1 discloses a printing machine, wherein a dryer is arranged in a sheet-guiding drum with this co-rotating. The dryer can be controlled in the circumferential direction and / or in the axial direction zonal independently of each adjacent zones and thus the printed image be customizable. The example checkered zones can be controlled depending on the printed image. The data can come from prepress. The activation can also be effected as a function of operating parameters, including printing sheet parameters such as the printing sheet format.

The EP 1 142 711 A1 discloses a controller for the dryer device of a printing press, wherein the dryer device is controlled in dependence on variables characterizing the printing process. As such a size, the radiant power of a UV or IR dryer can be controlled in dependence on the color assignment of a preceding printing unit. Also, in the case of block over the format width distribution arranged drying devices, the individual blocks can be controlled according to the color assignment of the subject. The data to be used for color assignment can be obtained by printing plate scanning or preferably as a data set from the digital prepress.

By the EP 2 025 515 A1 is a securities printing machine with two screen printing units and an intermediate UV dryer known. The screen printing units can be applied according to the grid of several columns and rows of benefits per benefit picture elements.

The WO 2015/118447 A2 discloses a security printing machine having a printing unit operating according to the type set and an additional screen printing unit. By working according to the Lettersetdruckverfahren printing unit serial numbers can be applied to the benefits, for example, in the execution as Nummerierdruckwerk.

In the EP 0 949 069 B1 a security printing machine is disclosed, by means of which at a first printing location a first side can be printed in two colors and at a second printing location both sides can be printed simultaneously in multiple colors. Between the two pressure points, a UV dryer is arranged and directed to the previously printed side.

The DE 198 35 046 A1 relates to an apparatus for drying ink or ink, wherein by a pressure means downstream heat source, for. B. IR emitter, a druckdruckbildabhängiger drying process is feasible. In this case, a printhead of a printing device not shown in detail designs a printed image on the paper carrier according to the electronic control signals of a computer, for. As a PC. The print-image-dependent drying process can be carried out in one embodiment by data from one of the printing device downstream scan or scanning unit, in another embodiment by evaluation of the available for printing by the print head print image.

The DE 100 38 897 A1 discloses a method and apparatus for drying inkjet prints by means of infrared radiation. The starting point here is that ink printing devices that work with non-penetrating ink would have a significantly better typeface on printing paper used in offices than printing devices using penetrating ink. To accelerate drying, the printed image carrier is exposed to IR radiation. Preferably, the application takes place as a function of the print image outer contour via, for example, a control device which is activated via a print image detection device.

The invention has for its object a method for configuring a dryer device in a security printing machine and to create a printing press.

The object is achieved by the features of claim 1 and 11, respectively.

The achievable with the present invention consist in particular that a variable-length and / or selective drying with a particularly fast and economical solution for their configuration is created.

In a preferred embodiment of a security printing machine, in particular a security printing machine with at least one printing unit, at the printing point the printing location passing sections of a printing material in a cycle with respect to the printing material at the printing point fixed cycle length per section can be printed with a print image of a print image length, and with a Drying device with a downstream of the printing area in Bedruckstoffweg and a one- or multi-part drying agent dryer, through which the dryer passing substrate for its drying in at least one extending in the transport direction of the substrate track can be acted upon with radiation, and a the operation of the dryer controlling controller, in Bedruckstoffweg a signal technically connected to the controller means for image acquisition and / or evaluation be provided by which the controller data on a position and / or dimension, ie the position and / or dimension indicating or this representing data or information containing this data, from upstream on the substrate applied pixels or picture element groups are provided.

In the configuration of the drying device in a security printing press, in particular a security printing machine, with at least one printing unit, at the printing location of the printing point passing portions of a substrate, especially printing material in a cycle with a fixed to the printing substrate at the printing cycle length per section with a in particular exactly one, printed image of a printed image length is printed, wherein the drying device downstream of the printing in Bedruckstoffweg and comprising a one- or multi-part dryer drying, through which the dryer passing substrate for drying in at least one running in the transport direction of the substrate track with radiation is applied, as well as with the operation of the dryer controlling control device, takes place for the current or pending production of a configuration of the dryer device in terms of a lateral position and / or width of the at least one track to be acted upon by the dryer, by - at least among other things - this lateral position and / or width using data originating from or originating from a device for image acquisition and / or evaluation, in particular, data relating to a position and / or dimension of picture elements is set and / or changed.

In addition to the above, data-based configuration or instead of can in another advantageous development of the securities printing machine, in particular a securities printing machine with at least one printing unit, at the printing location of the printing point passing sections of a substrate in a cycle with respect to the substrate feed at the pressure point fixed cycle length ever Section with a print image of a print image length can be printed, and with a dryer with a pressure point downstream in Bedruckstoffweg and a one- or multi-part drying dryer, through which the dryer passing substrate for drying in at least one running in the transport direction of the substrate track with radiation can be acted upon, and one of the operation of the dryer controlling control device, an operating interface connected to the control device is provided with controls over which the dryer device is configurable by the operator with regard to a lateral position and / or width of at least one track to be acted upon by the dryer

In the configuration of the drying device in a security printing press, in particular a security printing machine, with at least one printing unit, at the printing location of the printing point passing portions of a substrate, especially printing material in a cycle with a fixed to the printing substrate at the printing cycle length per section with a in particular exactly one, printed image of a printed image length is printed, wherein the drying device downstream of the printing in Bedruckstoffweg and comprising a one- or multi-part dryer drying, through which the dryer passing substrate for drying in at least one running in the transport direction of the substrate track with radiation is acted upon, as well as with the operation of the dryer controlling control device, the dryer device for the current or pending production at an operator interface in Hinbl ick configured on a lateral position and / or width of at least one track to be acted upon by the dryer.

In a particularly advantageous embodiment of a dryer device or a dryer device comprising a dryer, the latter has a dryer with a drying means comprising a plurality of separately switchable and transversely offset to the transport direction of the printing material to each other dryer elements through which the printing material in each activated state for the drying of which is acted upon by a drying medium, and a control device, by which switching on and off of the or a part of the dryer elements in a repetitive, a sequence comprising at least one active and at least one inactive phase cycle correlates to a Machine and / or printing material phase position takes place and / or can take place.

The achievable with the execution of a drying device advantages are, in particular, that thereby an improved print quality and / or less wear during printing and / or a reduced energy and / or maintenance or cleaning costs can be achieved. As a result, a particularly fast and economical dryer and printing machines are created with such a fast and economical dryer. In particular, while maintaining high print quality and / or reduced energy consumption and / or less wear and / or reduced Maintenance effort in an advantageous embodiment or operation, a variable format and / or print image length or in another embodiment or mode printing with interrupted by longer, not to be printed sections print pixels possible. In a further development, a selective drying and fixing of picture element parts and thus an extended production spectrum can be achieved.

In an advantageous in connection with a preferred embodiment of the configuration printing machine, in particular security printing machine, this comprises at least one printing cylinder comprising a printing unit at the pressure point, the printing area in sections passing substrate, in particular sections of a printing material or preferably printing material in a cycle with a based on the substrate feed at the printing point fixed cycle length with printed images of the same print image length are printed, and a dryer with a pressure point downstream in Bedruckstoffweg and a one- or multi-part radiation means comprehensive dryer through which the dryer passing substrate to its drying with radiation can be acted upon , A controller which controls the radiation means of the dryer with regard to activation and deactivation is preferably provided, which is in signal connection to a sensor supplying the machine phase and / or the printing material progressing step and, during operation, activating and deactivating the cycle or at least one per cycle Part of the radiation means according to a sequence comprising at least one active and at least one inactive phase correlated to the machine and / or printing material phase position causes.

In a particularly preferred in connection with a preferred embodiment for the configuration process for the production of securities or securities intermediates comprising at least one printing cylinder comprising a printing cylinder, at the printing location the printing area passing sections of a substrate, in particular sections of a printing material or preferably printing material in one Cycle printed with a reference to the substrate at the printing cycle fixed cycle length with printed images of the same print image length, and acted upon by one of the pressure point in Bedruckstoffweg downstream and a one- or multi-part radiation comprehensive dryer of a dryer for drying it with radiation. For each cycle, switching on and off of the or at least part of the radiation agent takes place after a sequence comprising at least one active phase and at least one inactive phase correlated to the machine and / or printing material phase position.

Such a drying device unfolds its advantages, in particular in connection with a security paper, in particular printing material from security paper, printing securities printing machine in which the printed image applied by a printing unit or a printing image across its width a plurality of benefits side by side and / or over the length of a plurality of Benefits in a row comprises, wherein z. B. each benefit to be printed pixels in at least the location on the respective benefits and / or the external shape and / or even in the print pattern does not differ.

Especially in securities printing - for example, in the manufacture of securities such. As banknotes or other security-related documents - printed by screen printing or number printing per printing point only small and significantly spaced apart pixels or groups of pixels of the same image and / or group structure. This involves the risk of unnecessary heating or even excessive overheating of large unprinted areas and / or the use of unnecessary energy.

In particular, in connection with the possibility of processing a variable printing material format is - especially in screen printing with the regularly stronger ink thicknesses and / or the risk of contamination on the counter-pressure surface by color, which passes in the smallest amounts and not intended for duck areas of the screen - a particular advantage in that is dried only in areas where a scheduled printing is done. This applies equally to the printing of relatively small picture elements in the Letterset, such. When numbering.

In an embodiment which is likewise advantageous for the configuration in accordance with a preferred embodiment, a drying device for a printing machine, in particular a securities printing machine, printing on at least one printing location by at least one printing unit comprises a dryer with a drying agent which extends through at least the maximum width of the substrate Arrangement of a plurality of juxtaposed radiation sources is formed, through which the, preferably arcuate, substrate in the activated state for its drying is acted upon with radiation, and a control device, by which switching on and off of the or a part of the radiation sources in a repeating a sequence having at least one active cycle and at least one inactive phase correlates to a machine and / or process Substrate phase position is or can be done. Preferably, the dryer device comprising the dryer and the control device is designed and set up, each cycle only a portion of the radiation sources in sections in at least four predefinable, transversely to the transport direction to each other in approximately, ie by more than 10% from the average distance divergent, equidistant spaced groups of Radiation sources according to a sequence comprising a plurality and / or in particular at least three equidistantly spaced active phases of a same first phase length, simultaneously and / or jointly turn on and off.

An advantageous in connection with a preferred embodiment for the configuration printing machine, in particular security printing machine comprises at least one printing cylinder having a printing unit at the pressure point pass the printing section passing sections of a substrate, in particular sections of a printing material or preferably printing material in a cycle with respect to a the substrate feed at the printing point fixed cycle length with print images of the same print image length can be printed. The printing unit comprises an imaging cylinder having a multiplicity of imaging printing elements or groups of imaging printing elements, in particular a same structure and / or shape, on the circumference, which on a circumferential length corresponding to the print image length in a plurality of transverse to the transport direction equidistantly spaced columns and on one of Print image width corresponding cylinder width are arranged in a plurality of equidistant from each other in the transport direction spaced rows. Furthermore, a drying device is provided with a dryer arranged downstream of the printing location in the printing material path and comprising a one- or multi-part drying agent, through which the substrate passing through the dryer can be acted upon by radiation to dry it. The drying agent is preferably formed by an arrangement of a multiplicity of radiation sources arranged side by side at least over the maximum width of the printing substrate. The dryer device comprising the dryer and the control device is designed and set up, the printing material passing through the dryer during the cycle on a plurality of transverse to the transport direction in about, d. H. deviating at most 10% from the average distance, equidistantly spaced tracks in several and / or in particular three with respect to the printing material feed equidistant to act on inactive phases spaced apart active phases simultaneously with radiation.

In connection with a preferred embodiment for the configuration, when a drying device comprising a dryer and a control device is operated in a printing press, in particular a securities printing machine, the dryer as drying agent comprises an arrangement of a multiplicity of radiation sources arranged side by side at least over the maximum width of the substrate. and switching off the or a part of the radiation sources in a repetitive cycle comprising a sequence with at least one active phase and at least one inactive phase correlates to a machine and / or printing material phase position to be supplied to the control device. The printing material passing through the dryer is cycled on a plurality of tracks spaced transversely to the transport direction to the printing material advance and / or to the machine phase, in which only a portion of the radiation sources is divided into several, in particular at least four predefined and / or predefinable, transverse to Transport direction in about, d. H. deviating at most 20% from the mean distance, equidistantly spaced groups simultaneously and / or jointly on a same, underlying the control sequence with at least three equidistantly spaced active phases of a same first phase length on and off.

In particular, in connection with the possibility of processing a variable printing material format is - especially in screen printing with the regularly stronger ink thicknesses and / or the risk of contamination on the counter-pressure surface by color, which passes in the smallest amounts and not intended for duck areas of the screen - a particular advantage in that is dried only in areas where a scheduled printing is done. This applies equally to the printing of relatively small picture elements in the Letterset, such. When numbering.

Another in connection with a preferred embodiment for the configuration advantageous security printing machine comprises at least a first printing location at which this printing location passing substrate, in particular sections of a printing material or preferably printing material in sections on at least a first of its two sides in a cycle on a print length and Printing width with a reference to the printing material at the printing fixed fixed cycle length with printed images over the cycle length shorter print image length is printable, a downstream next second printing location at which the printing site passing this printing substrate on at least the second page is also printable with print images, and at least one Drying device with a one or more parts comprising a radiation means dryer in the Bedruckstoffweg between the first and second pressure point and / or in the second printing location subsequent printing material path is arranged and by which of the dryer on its transport passing printing material is beauschlagbar for its drying with radiation. There is further provided a drying means of the dryer with respect to an activation and deactivation controlling means which is in signal communication with a machine phase and / or the printing material progress representing signals supplying encoder and in operation per cycle on and off of the or at least part of Radiation source correlated with at least one active and at least one inactive phase causes the machine and / or printing material phase position.

In connection with a preferred embodiment for the configuration, in the production of security or securities intermediates in a securities printing machine, this printing location passing printing material, in particular sections of a printing material or preferably printing material on at least one first of its two sides in one cycle at a print length and print width with a cycle length fixed relative to the print substrate advance at the print location with print images of a shorter print length compared to the cycle length; and at a downstream second print location the print substrate passing this print location on at least the second of its pages - for example in the same cycle with print images of a shorter print length compared to the cycle length - printed. By a one or more parts comprising radiation means dryer of a dryer, which is arranged in Bedruckstoffweg between the first and second printing location and / or in the second printing location subsequent Bedruckstoffweg, the drying of the dryer on its transport substrate is subjected to the drying thereof with radiation. Preferably, the printing material clocked is applied by each switching on and off of the or at least a portion of the radiation source with at least one active and one inactive phase is correlated to the machine and / or printing material phase position.

In particular two-sided security printing - z. B. also in the multistage printed primer - it comes comparatively to a particular extent on quality and accuracy in order to recognize the already applied in these processing steps and / or subsequently applied in relation to the primer security features as error-free and thus as "real".

The aforementioned preferred embodiments and methods further developing features, as set forth below and / or with reference to the embodiments and / or in the features of the subclaims, may be added to form an advantageous development individually or in addition.

In a possible development o. Solution, the position and / or length of the repetitive on and off sequence can be synchronized in total to a Leitachsgeber or preferably directly to signals of the machine phase and / or the printing material progress detecting sensor.

Embodiments of the invention are illustrated in the drawings and will be described in more detail below.

• 1 ein Ausführungsbeispiel für eine ein Druckaggregat umfassende Druckmaschine, insbesondere Wertpapierdruckmaschine, a) in einer ersten b) in einer zweiten und c) in einer dritten Ausführung;
• 2 eine detailliertere vergrößerte Darstellung des Ausführungsbeispiels exemplarisch für ein Druckaggregat aus 1 in a) bogenverarbeitender und b) in bahnverarbeitender Ausführung;
• 3 eine schematische Querschnittsdarstellung durch ein Gegendruck- und/oder Transportzylindersegment;
• 4 eine schematisch dargestellte Abwicklung eines Mantelflächensegmentes des Gegendruck- und/oder Transportzylinders;
• 5 eine schematische Schrägansicht eines bildgebenden Zylinders mit bildgebenden Druckelementen, exemplarisch als Sujets an a) einem Siebzylinder und b) einem Nummerierzylinder;
• 6 eine schematischen Darstellung für eine erste Ausführung einer eine Steuereinrichtung und einen Trockner umfassenden Trocknereinrichtung;
• 7 eine schematischen Darstellung für eine zweite Ausführung einer eine Steuereinrichtung und einen Trockner umfassenden Trocknereinrichtung;
• 8 eine Schrägansicht für die Ausführung eines Trocknungsmittels mit mehreren hintereinander angeordneten Zeilen von jeweils einer Vielzahl nebeneinander angeordneter Strahlungsquellen;
• 9 eine schematische Darstellung für die Positionierung und/oder Selektion von in erster Ausführung ausgebildeter Trockenelemente;
• 10 eine schematische Darstellung für die Bildung von in zweiter Ausführung ausgebildeter, durch Gruppenbildung realisierter Trockenelemente;
• 11 eine Prinzipskizze für a) die Abfolge von Phasen innerhalb einer An- und Abschaltsequenz sowie b) eines Schaltprofils mit den zugehörigen, den Zustand eines oder mehrerer Trockenelemente betreffender Schaltzuständen;
• 12 eine Prinzipskizze für das Schaltprofil, d. h. die Abfolge von Phasen innerhalb einer An- und Abschaltsequenz für a) ein größeres und b) ein kleineres Bedruckstoffformat;
• 13 eine schematische Darstellung eines möglichen Schaltprofils zu 11 quer und längs zur Transportrichtung betrachtet;
• 14 eine Prinzipskizze für das Schaltprofil, d. h. die Abfolge von Phasen innerhalb einer An- und Abschaltsequenz in Abhängigkeit von der vorliegenden Druckbildlänge;
• 15 eine schematische Darstellung eines möglichen Schaltprofils zu 13 quer und längs zur Transportrichtung betrachtet;
• 16 eine Prinzipskizze für das Schaltprofil, d. h. die Abfolge von Phasen innerhalb einer An- und Abschaltsequenz in Abhängigkeit von Lage, Länge und Anzahl der in einer Druckbildlänge vorliegenden Druckstreifen;
• 17 eine schematische Darstellung a) eines Musters von Bildelementen in einer Mehrzahl von in Spalten und Zeilen angeordneten Nutzen sowie b) ein mögliches zugehöriges Schaltprofil quer und längs zur Transportrichtung betrachtet;
• 18 eine schematische Darstellung einer Variante zum Schaltprofils gemäß 11 mit Beaufschlagung in lediglich einer Spur;
• 19 eine schematische Darstellung zur Ansteuerung des Trockners bzw. Trockenmittels unter Berücksichtigung der aktuellen Maschinengeschwindigkeit;
• 20 eine schematische Darstellung zur Ansteuerung und Konfigurierung des Trockners unter Verwendung einer Bedienschnittstelle in einer ersten Ausführungsform;
• 21 eine schematische Darstellung einer die Abmessungen und/oder Lage betreffenden Bedienoberfläche;
• 22 eine schematische Darstellung zur Ansteuerung und Konfigurierung des Trockners unter Verwendung einer Bedienschnittstelle in einer zweiten Ausführungsform;
• 23 schematisch dargestellte Beispiele für die Lage von Bildelementen und entsprechend konfigurierten Trocknerelementen bzw. Gruppen von Strahlungsquellen oder von ein- oder mehrreihiger Strahlungssegmenten;
• 24 schematisch dargestelltes Beispiel für die Lage des Bedruckstoffs und des entsprechend konfigurierten Trocknerelementes;
• 25 eine schematische Darstellung zur Ansteuerung und Konfigurierung des Trockners unter Verwendung einer Bedienschnittstelle in einer dritten Ausführungsform;
• 26 eine schematische Darstellung zur Ansteuerung und Konfigurierung des Trockners unter Verwendung von aus einer Einrichtung zur Bilderfassung und/oder -auswertung stammenden Daten.

Show it:

• 1 an embodiment of a press unit comprising a printing unit, in particular securities printing machine, a) in a first b) in a second and c) in a third embodiment;
• 2 a more detailed enlarged view of the embodiment of an example of a printing unit 1 in a) sheet processing and b) in sheet processing design;
• 3 a schematic cross-sectional view through a counter-pressure and / or transport cylinder segment;
• 4 a schematically illustrated development of a lateral surface segment of the counter-pressure and / or transport cylinder;
• 5 a schematic oblique view of an imaging cylinder with imaging pressure elements, exemplified as subjects to a) a screen cylinder and b) a numbering cylinder;
• 6 a schematic representation of a first embodiment of a controller comprising a dryer and dryer;
• 7 a schematic representation of a second embodiment of a controller comprising a dryer and dryer;
• 8th an oblique view for the execution of a drying means having a plurality of successively arranged rows of a plurality of juxtaposed radiation sources;
• 9 a schematic representation of the positioning and / or selection of trained in the first embodiment dry elements;
• 10 a schematic representation of the formation of trained in second embodiment, realized by grouping dry elements;
• 11 a schematic diagram of a) the sequence of phases within a turn-on and turn-off sequence and b) a switching profile with the associated, the state of one or more dry elements relevant switching states;
• 12 a schematic diagram for the switching profile, ie the sequence of phases within a startup and shutdown sequence for a) a larger and b) a smaller substrate format;
• 13 a schematic representation of a possible switching profile to 11 viewed transversely and longitudinally to the transport direction;
• 14 a schematic diagram for the switching profile, ie the sequence of phases within a start-up and shutdown sequence in dependence on the existing print image length;
• 15 a schematic representation of a possible switching profile to 13 viewed transversely and longitudinally to the transport direction;
• 16 a schematic diagram for the switching profile, ie the sequence of phases within a startup and shutdown sequence as a function of position, length and number of pressure strips present in a print image length;
• 17 a schematic representation a) of a pattern of pixels in a plurality of arranged in columns and rows benefits and b) considered a possible associated switching profile across and along the transport direction;
• 18 a schematic representation of a variant of the switching profile according to 11 with application in only one lane;
• 19 a schematic representation of the control of the dryer or desiccant, taking into account the current machine speed;
• 20 a schematic representation of the control and configuration of the dryer using a user interface in a first embodiment;
• 21 a schematic representation of the dimensions and / or position relevant user interface;
• 22 a schematic representation of the control and configuration of the dryer using a user interface in a second embodiment;
• 23 schematically illustrated examples of the position of picture elements and correspondingly configured dryer elements or groups of radiation sources or of single- or multi-row radiation segments;
• 24 schematically illustrated example of the position of the printing material and the correspondingly configured dryer element;
• 25 a schematic representation of the control and configuration of the dryer using a user interface in a third embodiment;
• 26 a schematic representation of the control and configuration of the dryer using data derived from a device for image acquisition and / or evaluation data.

A z. B. preferably as a sheet-fed press or optionally also designed as a web-fed printing press comprises the input side, a feeder 01 through which the printing press with a sheet or web-shaped substrate 02 is supplied, at least one printing unit 03 through which the printing material 02 one or both sides one or more times printing, and a product display 04 on which printed products or intermediates are stacked or continuously laid or wound up as a roll (see, for example, US Pat. 1a . 1b and 1c ).

In a preferred embodiment and set forth in the figures, the printing press is used as a printing press for security printing, for example for printing web-like printing material 02 , z. B. a printing substrate, or preferably for printing sheet-like substrate 02 , z. B. substrate sheet 02 , executed. The feeder 01 for the latter embodiment is z. B. as a sheet feeder 01 formed, in which a stack of supplied and to be printed substrate sheets 02 can be arranged. The term security printing is intended here in particular the printing of z. As banknotes or other security-related, equipped with one or more security features documents and / or be taken on security paper.

The printing machine is designed as a roll or preferably as a sheet-fed press for preferably the security printing and z. B. designed to be unprinted in one embodiment, or already pre-printed substrate in another version 02 , z. B. substrate sheet 02 , in particular securities trays or in particular sheets, such. B. webs or in particular sheets with banknotes or other security-related documents to produce as products or further processed intermediate products.

In a first embodiment, which is advantageous in particular for security printing, it is embodied as a printing press operating at least under one another by a printing and / or high-pressure method, but in particular as a further processing machine, by means of which a - previously inline or in particular offline - already with a Raster of use printed substrate 02 each benefit is imprinted and / or can be printed in the printing or high-pressure method with at least one security feature and / or an identifier individualizing the respective use.

In another embodiment, also advantageous for security printing, it is a printing material 02 , in particular a security paper, in the printing material at several pressure points in succession on each of the two sides of at least one pressure point, in particular multi-colored, to print.

The printing unit 03 the z. B. as a security printing machine trained printing machine may in principle be based on any printing process printing unit 03 with at least one pressure point 06 ; 07 ; 06 '; 07 ' , z. B. as on a high-pressure method, a gravure printing method, an offset method, a screen printing method or sequentially based on several of said methods, be formed. In a first embodiment set forth is the printing unit 03 However, as the substrate in a printing or a high-pressure process printing executed. In a given and preferred example, the printing unit is 03 the substrate 02 in the range of at least one pressure point 06 ; 07 formed on at least one substrate side in a screen printing process, especially in rotary screen printing, printing. In another, z. In 1b set forth, but alternatively or optionally in addition to preferred example is the or optionally a further printing unit 03 ' the substrate 02 in the range of at least one pressure point 06 '; 07 ' formed on at least one substrate side in a high-pressure process, in particular in the so-called Letterset, for example, with a numbering printing, printing.

In a third embodiment is the substrate 02 at a first pressure point 06 " on at least a first of its two sides and at a downstream second pressure point downstream 07 " printed on at least the second of its pages in the same cycle with print images of a shorter compared to the cycle length print image length. The said first and second pressure point may be preceded by a further pressure point.

The z. B. in screen printing or Letterset to be printed substrate 02 is preferred as a printing material sheet 02 and / or as already printed by another printing process substrate 02 and / or as z. As textile, linen, hemp and / or synthetic fibers such. B. plastic substrates (polymer substrates) or hybrid substrates, comprehensive security paper executed.

The printing material sheets 02 are in execution of the printing press as a sheet-fed press z. B. as layers of a printing material stack in the sheet feeder 01 trained feeder 01 held, of which they by a not shown in detail, z. B. suction cups comprehensive gripping device 08 picked up individually and isolated over a conveyor line 09 , z. B. via a preferably as a band system 09 trained conveyor system 09 , And possibly a conditioning drum up to an entry area in the printing unit 03 be encouraged. At the entrance to the printing unit 03 For example, on a transfer drum 11 becomes the substrate sheet 02 to a the printing unit 03 associated conveyor line, z. B. a pressure unit 03 assigned conveyor system passed through which the printing material 02 along its transport path one or more bruises 06 ; 07 happens before he - for example, over a transfer drum 12 - from the printing unit 03 associated conveyor line in a third, one or more parts conveyor line 13 enters or to a third conveyor line 13 , z. B. a tape system 13 , and passed through this until the product delivery 04 , z. B. a one or more sheet trays for stacking comprehensive product display 04 , is transported.

In the case of a web-processing version of the printing press, the web-shaped printing material passes 02 in the area of the printing unit 03 a conveyor line which comprises one or more rollers and / or cylinders looped around the track.

In the preferred embodiment of the printing press as a sheet-processing printing machine which is the printing unit 03 associated conveyor line preferably designed as a gripper system, in which the printing material 02 by successive transfer between a plurality of successive drums and / or cylinders in the transport direction along the transport path through the printing unit 03 is encouraged. At the end of z. B. designed as a gripper system conveyor line is the printing material 02 to the third conveyor line 13 issued.

The printing unit 03 ; 03 ' In the first embodiment, at least on one side of the conveying path comprises at least one pressure point 06 ; 06 ' through which the substrate 02 is printable or printed on one of his substrates. The pressure point 06 ' can through a nip 06 ; 06 ' two bodies of revolution 18 ; 21 , z. B. a nip 06 ; 06 ' between a cylinder 18 a first printing unit 19 ; 19 ' and a cylinder 18 serving as an abutment cylinder 21 , z. B. a counter-pressure and / or transport cylinder 21 be formed.

Downstream of this at least one first pressure point 06 ; 06 ' can in the substrate path of the substrate 02 , especially in the pressure point 06 ; 06 ' downstream downstream conveyor line through the pressure unit 03 ; 03 ' a first in contact contact with the at least one pressure point 06 ; 06 ' printed substrate side standing, the pressure point 06 ; 06 ' downstream in the printing substrate rotational body 22 be arranged. This with the freshly printed Bedruckstoffseite cooperating rotary body 22 can z. B. as a guide and / or transport roller of the conveyor system, as a conditioning roller for cooling or heating of the printing material or in particular for the formation of a further pressure point 07 ; 07 ' as a cylinder 22 one of the former printing unit 19 ; 19 ' subsequent printing unit 23 ; 23 ' be executed.

Such a second pressure point 07 ; 07 ' can by a Nippstelle 07 ' between the cylinder 22 of the second printing unit 23 ; 23 ' and an effective as an abutment cylinder, the z. B. by the first printing unit 19 ; 19 ' as counter-pressure and / or transport cylinder 21 serving cylinder 21 or a different further, effective as Gegenruck- and / or transport cylinder cylinder is formed. In Bedruckstoffweg the printing press and / or the printing unit 03 upstream or downstream one or more further such printing units acting on this same printing material side and / or one or more further printing units acting on the other printing material side may also be provided.

In the at least one pressure point 06 ; 07 ; 06 '; 07 ' downstream Bedruckstoffweg is at least one a dryer 14 ; 16 ; 36 comprehensive drying device provided by which on the substrate 02 applied pressure fluid, z. As printing ink, paints or other coating materials, at least superficially dried or can be. Such a drying device can be between a printing unit 19 and a downstream, with the freshly printed Bedruckstoffseite cooperating rotating body 22 , z. B. as an intermediate drying device between the printing unit 19 ; 19 ' and the downstream print engine 23 ; 23 ' be provided and a directed to the Bedruckstoffweg dryer 36 include. Instead or preferably in addition to this, at least one dryer device in the printing material path can be the only or last printing unit 19 ; 19 '; 23 ; 23 ' ie the printing unit 03 ; 03 ' , downstream and a directed to the Bedruckstoffweg dryer 14 ; 16 include.

In the printing material path between two printing units 19 ; 19 '; 23 ; 23 ' or in the substrate path behind the last printing unit 19 ; 19 '; 23 ; 23 ' of the printing unit 03 ; 03 ' can a the visual impression of the applied pressure fluid - especially in the not yet dried state - varying conditioner 17 be provided. For example, this can be used as the substrate 02 directed device applying magnetic field lines 17 be executed and the pressurized fluid by magnetic field lines alignable particles, such as magnetizable or magnetically active pigments include.

In an advantageous embodiment explicitly illustrated here (eg. 1a . 2 ) is the at least one printing unit 19 and in particular also the at least one further printing unit which cooperates with the same printing material side 23 as after screen printing working 19 ; 23 , in short as a screen printing unit 19 ; 23 , and the printing unit 19 ; 23 associated imaging cylinder 18 ; 22 as a form cylinder 18 ; 22 , in particular as so-called screen cylinder 18 ; 22 educated.

The screen cylinder 18 ; 22 rolls on the lateral surface of the counter-pressure and / or transport cylinder 21 from and forms in the area of his above nip 06 ; 07 with the counter-pressure and / or transport cylinder 21 the pressure point 06 . 07 out. The screen cylinder 18 ; 22 includes in the area of its lateral surface as a printing plate 31 ; 32 a screen printing stencil arranged concentrically with the real or imaginary cylinder axis 31 ; 32 , This is in the mounted state, for example, the front side releasably secured to not shown ring flanges. The screenprint template 31 ; 32 can in principle be used as an endless cylinder-jacket or sleeve-shaped screen-printing stencil or as a finite, but in the mounted state, to form a screen printing stencil closed to form a slight impact in the circumference 31 ; 32 be executed.

Inside the form cylinder 18 ; 22 is a squeegee 34 a squeegee device 33 provided, which in the salaried state in a peripheral region of the screen cylinder 18 ; 22 from the inside against the screenprint stencil 31 ; 32 is employed, in which of these the pressure point 06 ; 07 with the counter-pressure and / or transport cylinder 21 formed. This point can, for example, based on the operating direction of rotation, a maximum of 5 ° before or after the nip 06 ; 07 with the counter-pressure and / or transport cylinder 21 be provided. The doctor employed in this way 34 accumulates a bead of printing ink, which she rolls in front of her and through the permeable areas of the screen printing stencil 31 ; 32 pushes outwards.

At the end of an interruption explained in more detail below 28 , z. B. an opening 28 on the counter-pressure and / or transport cylinder 21 through the nip 06 ; 07 in the following section U _D , z. B. peripheral section U _D , to allow a resumption of printing as soon as possible, for temporary and at least partial coverage of the opening 28 an above-mentioned coloring aid 29 , z. B. as a flap 29 trained cover 29 , be provided, through which the opening 28 at least in the leading area of the opening 28 is temporarily coverable. This is a premature hiring of, for example, the Nippdurchtritt the open area of the opening 28 lifted squeegee 34 allows. The cover element 29 For example, it may slightly overlap with the undisturbed cylinder jacket peripheral portion and, in this case, reduce the length of the maximum usable peripheral portion for printing U _D , This geometric shortening is caused by the premature hiring z. B. more than offset. Due to the premature setting can - in relation to the unrolling during operation - upstream pressure range beginning in the ideal case immediately, but possibly also a small safety distance to the cover 29 connect. For example, by the slight overlap and possibly a slight safety distance following the cover 29 conditional extension of the not usable for printing peripheral portion U _N beyond the leading edge of the opening and / or the distance of the earliest possible beginning of the pressure range to the trailing edge, for example, may be between 10 mm and 50 mm, preferably at most 30 mm.

The maximum usable length for printing L _D is limited by the machine-and / or safety-related earliest possible pressure range beginning and a machine and / or safety-related trailing side latest possible pressure range end. In this case, the latest possible end of the pressure range can basically coincide with the leading end of the following opening 28 , z. B. the leading edge of the following opening 28 , coincide or - z. B. for reasons of safety and / or risk of contamination and / or due to function - by a distance to be observed a _s to the trailing edge of the following pit opening spaced (see, for example, schematically in 3 and 4 ). The maximum usable length for printing L _D For example, by the length of the undisturbed circumference on the abutment, z. B. the counter-pressure and / or transport cylinder 21 , or by other involved in the printing and / or transport machine elements or by the considered in the transport and / or circumferential direction, the maximum usable for printing length of the printing unit 19 ; 23 ; 19 '; 23 '; 19 "; 23 " provided printing forms 31 ; 32 , hereinafter also referred to briefly as the printing length, be limited. These variables are regularly matched to one another and essentially correspond to one another.

In 1-fold version of the counter-pressure and / or transport cylinder 21 Under the subsequent pit opening here is the same single pit opening to understand.

In the embodiment of the printing press as a sheet-processing printing machine, the at least one counterpressure and / or transport cylinder comprises 21 at least one holding device on its circumference 24 , z. B. a gripper device comprising one or a group of several grippers 24 , by which input side, the leading end of a printing material sheet 02 receivable and output side to the downstream conveyor line can be dispensed again. The gripper device 24 here is z. B. in one in the otherwise cylindrical lateral surface 27 of the cylinder 21 provided pit 26 arranged, the radially outwardly directed opening 28 , z. B. pit opening 28 , the cylinder jacket-shaped lateral surface 27 interrupts and disturbs.

hier beispielsweise n = 3, Bedruckstoffbogen 02 in Umfangsrichtung hintereinander ausgebildeten Ausführung des Gegendruck- und/oder Transportzylinders 21 umfasst dieser in Umfangsrichtung hintereinander mehrfach, d. h. n-fach, hier z. B. dreifach, eine derartige Halteeinrichtung 24 und einen jeweils dazwischen liegenden zylindermantelförmigen Umfangsabschnitt (siehe z. B. 2a). Für den Fall einer bahnverarbeitenden Ausführung der Druckmaschine können derartige Halteeinrichtungen entfallen (siehe z. B. 2b). Umgangssprachlich umfasst der n-fach große Zylinder 21 n jeweils ohne Unterbrechung zum Druck nutzbare Umfangsabschnitte U_D .In one for receiving several, z. B. a number of n $\text{n}\in \mathbb{N}\text{.}$

here, for example, n = 3, substrate sheet 02 in the circumferential direction successively formed execution of the counterpressure and / or transport cylinder 21 this includes in the circumferential direction one behind the other several times, ie n-fold, here z. B. three times, such a holding device 24 and a respective cylinder jacket-shaped circumferential section (see eg. 2a ). In the case of a web-processing version of the printing press, such holding devices can be dispensed with (see, for example, US Pat. 2 B ). Colloquially, the n-fold includes large cylinder 21 n each without interruption usable for printing peripheral sections U _D ,

Regardless of the type and number n of provided in the case of sheet pressure in the circumferential direction holding devices 24 is through the respective pit opening 28 on the circumference of the counter-pressure and / or transport cylinder 21 an interruption of the otherwise undisturbed cylindrically extending lateral surface 27 conditionally.

In n-fold, ie one or more times large version includes the counter-pressure and / or transport cylinder 21 Viewed in the circumferential direction n, ie one or more usable as an abutment during printing peripheral portions U _D , in particular cylinder circumference sections U _D and n, ie one or more of the holding devices 24 comprehensive, not usable as an abutment during printing peripheral sections U _N with disturbed lateral surface 27 , The usable as abutments during printing peripheral sections U _D are colloquially referred to as so-called "saddle"

The opening 28 comprehensive, not suitable for printing and / or provided peripheral portion U _N indicates an effective length on unrolling along the continued circular line L _N which corresponds to the circular arc length reaching over the opening. The usable for printing peripheral portion U _N has a length accordingly L _N on, at the same time the possible print image length L44 limited to the top.

The non-usable as a pressure abutment peripheral portion U _N can basically be alone through the opening 28 the holding device 24 receiving pit 26 or possibly through this opening 28 and - if provided - a leading and / or trailing side subsequent functional portion, for example, an overlap region of a possibly provided on the flow side Einpräghilfe 29 (see below) and / or to be observed by setting distance to the trailing edge of the following pit opening, be given. Conversely, the usable for printing peripheral portion U _D basically by between a leading end of the interruption 28 For example, the leading end of the opening 28 , and the trailing end of the circumferentially following same or next opening 28 lying cylinder jacket section given the same. In the case of an irregular training of the disturbance on the lateral surface 27 leading and / or trailing side limiting contour is as a length L _N the non-printable peripheral portion U _N For example, considered in the circumferential direction of printing material or sheet length L02 between the flow side first and the trailing side last point by the same holding device 24 conditional interruption 28 in the undisturbed lateral surface 27 to understand.

Through the screen printing unit 19 ; 23 is for example printing material 02 , which is printed with a grid of utility in multiple rows and columns, each with printed image elements 56 , in short: picture elements 56 , or groups of with picture elements 56 comparable structure printable.

The imaging cylinder 18 ; 22 wears screen printing z. B. a plurality of imaging printing elements 25 or groups of imaging elements 25 on the periphery (eg 5a ), which are arranged in several transverse to the transport direction equidistantly spaced columns and on a width corresponding to the printing width of the cylinder width in a plurality of equidistantly spaced apart in the transport direction rows. In the case of screen printing, these are for example by sujets 25 given, which are formed by color-permeable areas. This in the circumferential direction and in the cylinder longitudinal direction repeated printing elements 25 or groups, for example, may all be given by a same one or more part motif.

In a likewise advantageous embodiment (for example by way of example 1b . 5b ) is the at least one printing unit 19 ' and in particular also the at least one further, with the same substrate side co-acting printing unit 23 ' as after a high-pressure process, especially after the Letterset working printing unit 19 '; 23 ' , z. B. Numbering printing 19 '; 23 ' , and the printing unit 19 '; 23 ' associated imaging cylinder 18 '; 22 'as a form cylinder 18 '; 22 ', in particular as so-called. High pressure cylinder 18 '; 22 ', z. B. as a numbering cylinder formed. This has on its circumference in the above-mentioned arrangement as Hochdrucksujets 25 ' , in particular as a numbering device 25 ' executed printing elements 25 ' or groups of such imaging elements 25 ' , z. B. Numbering modules 25 ' , on. In execution as a numbering printing unit, the printing unit, for example, comprises at least one of the number of columns of side by side on the substrate 02 intended benefit 57 , z. B. banknotes, corresponding number of transversely to the transport direction staggered numbering 25 ' , The above to suitable for printing and unsuitable peripheral portions U _D ; U _N The same applies analogously to this version.

The at least one dryer device preferably comprises one as a radiation dryer 14 ; 16 ; 36 trained dryer 14 ; 16 ; 36 , This comprises a drying agent which is effective for drying 38 , z. B. a radiation source 38 through which the printing material 02 for its drying with a drying medium can be acted upon. The drying agent 38 or the radiation source 38 can basically be formed in one piece and upon activation over a total effective width b _A continuously extending effective range A form. For example, the entire effective width b _A corresponds to at least one - in the transverse direction (eg in the figures with one direction x indicated) - maximum printing width.

durch welche in der Ebene E₀₂ des Bedruckstoffweges am Ort des Zusammenwirkens betrachtet eine Mehrzahl von quer zur Bedruckstofftransportrichtung, d. h. in Querrichtung, zueinander versetzte, insbesondere beabstandete Wirkbereiche ${\text{a}}_{\text{j}}\left(\text{j}=\{\text{1}\text{,2}\text{,}\dots \text{n})\text{,n}\in \mathbb{N}\ge 2\right)\text{,}$

z. B. Trocknungsbereiche ${\text{a}}_{\text{j}}\left(\text{j}=\{\text{1}\text{,2}\text{,}\dots \text{n})\text{,n}\in \mathbb{N}\ge 2\right)\text{,}$

2), auf einer jeweiligen Wirkbreite b_j , z. B. Trocken- oder Spurbreite b_j , mit Trocknungsmedium, beispielsweise Strahlung, beaufschlagbar sind, und/oder umfasst eine Mehrzahl von quer zur Bedruckstofftransportrichtung zueinander versetzt angeordnete Trocknerelemente 38_k .Preferably, the dryer means comprises an effective drying agent 38 a majority I of dryer elements ${38}_{\text{k}}\left(\text{k}=\{\text{1}\text{, 2}\text{.}...\text{l})\text{, l}\in \mathbb{N}\ge 2\right)\text{.}$

through which in the plane E ₀₂ the Bedruckstoffweges at the point of interaction considered a plurality of transverse to the printing material transport direction, ie in the transverse direction, mutually offset, in particular spaced-effective areas ${\text{a}}_{\text{j}}\left(\text{j}=\{\text{1}\text{2}\text{.}...\text{n})\text{, n}\in \mathbb{N}\ge 2\right)\text{.}$

z. B. drying areas ${\text{a}}_{\text{j}}\left(\text{j}=\{\text{1}\text{2}\text{.}...\text{n})\text{, n}\in \mathbb{N}\ge 2\right)\text{.}$

2), on a respective effective width _bj , z. B. dry or track width _bj , with drying medium, such as radiation, can be acted upon, and / or comprises a plurality of transversely to the printing material transversely offset to each other arranged dryer elements 38 _k ,

wobei bevorzugt i = j und m = n) ununterbrochen oder vorzugsweise je einem unten erläuterten Zyklus Z in hier dargelegter Weise ein- oder mehrfach getaktet mit dem Trocknungsmedium, vorzugsweise mit Strahlung, insbesondere UV-Strahlung, zu beaufschlagen.By the transversely spaced from each other active or drying areas a _j the dryer elements 38 _k is the dryer 14 ; 16 ; 36 passing substrate 02 in several, based on the Bedruckstoffweg transversely to the transport direction spaced tracks ${\text{t}}_{\text{i}}\left(\text{i}=\{\text{1}\text{2}\text{.}...\text{m})\text{, m}\in \mathbb{N}\ge 2\right)\text{.}$

preferably i = j and m = n) continuously or preferably each cycle explained below Z one or more times clocked in this way with the drying medium, preferably with radiation, in particular UV radiation to apply.

Under the effective width _bj should be understood that width in the transverse direction, at which by the maximum of the respective dryer element 38 _k emanating outgoing beam bundle on both sides has fallen to 50% of the maximum value with respect to the area-related radiation power. These should be the case that there is no sharp boundary with an infinitely steep flank as a lateral boundary of the corresponding effective range a _j be understood.

für elektromagnetische Strahlung, z. B. für Licht, insbesondere für UV-Licht, d. h. von Licht mit zumindest einem überwiegend im UV-Spektralbereich, z. B. zwischen 100 nm und 380 nm, liegenden Anteil an emittierter Strahlungsleistung, ausgebildet. Grundsätzlich könnten die Trocknerelemente 38_k auch in anderer Weise, z. B. als einzelne, eine oder mehrere Düsenöffnungen umfassende Blaselemente eines als Konvektions- und/oder Heißlufttrockners ausgeführten Trockners 14, 16; 36 ausgebildet sein, durch welche der Bedruckstoff beispielweise mit Fluid, z. B. Luft, als Trocknungsmedium beaufschlagbar ist.The dryer elements 38 _k are preferred as radiation sources 38 _k (k = {1, 2, ... l), $\text{l}\in \mathbb{N}\ge 2$

for electromagnetic radiation, z. B. for light, especially for UV light, ie light with at least one predominantly in the UV spectral range, for. B. between 100 nm and 380 nm, lying proportion of emitted radiation power is formed. In principle, the dryer elements 38 _k in other ways, for. B. as a single, one or more nozzle openings comprising blowing elements of a running as a convection and / or hot air dryer dryer 14 . 16 ; 36 be formed, through which the printing material, for example, with fluid, eg. As air, can be acted upon as a drying medium.

The dryer elements 38 _k in a first embodiment, in principle, in each case by individual desiccant sources 38 _{k, i} , z. B. by beam sources 38 _{k, i} , in particular radiation sources 38 _{k, i} , self or preferably by groups 38 _k such, associated with each other, z. B. together and / or simultaneously switching beam or radiation sources 38 _{k, i} be formed. These groups 38 _k can already be firmly formed in a first embodiment and always only total switchable, but z. B. as a group 38 _{k, i} , z. B. on a designed in the manner of a dryer head component, in the transverse direction - preferably motor - be displaced (see, eg. 6 ). In this case, one, several or all of the dryer elements 38 _k across to the substrate 02 provided transport direction be displaced.

In an advantageous second embodiment, the groups 38 _k for mutually different production runs variable from several individual beam or radiation sources 38 _{k, i} desiccant 38 be formed and / or be imaginable, wherein the one group 38 _k attributable individual beam or radiation sources 38 _{k, i} However, preferably in operation during a same production run always simultaneously, in particular activated and deactivated together or can be activated and deactivated (see, eg. 7 ). In an embodiment which is particularly advantageous for the printing machine in connection with the first embodiment, all of the individual beam or radiation sources arranged next to one another are used 38 _{k, i} the spaced apart groups 38 _k at the same time, in particular jointly activated and deactivated. In at least the second, multi-part version of the drying agent 38 are preferably a variety, for. B. at least 50, beam or radiation sources 38 _{k, i} , offset from one another. In particular, a high length-related number considered in the transverse direction, for example, with respect to the length of a meter, is at least 50 / m, in particular at least 70 / m, of beam sources or radiation sources offset in the transverse direction 38 _{k, i} intended. Activating and deactivating individual or fixed or variable groups of beam or radiation sources 38 _{k, i} via a dryer 14 ; 16 ; 36 associated control device 37 ,

The dryer elements 38 _k individually or in groups forming beam or radiation sources 38 _{k, i} are preferably as UV light sources in the above sense, in particular as UV diodes, short UV LEDs, formed.

In an advantageous embodiment of the drying agent 38 is this as - structurally single or multi-part - radiation source array, in particular LED array, with several along the transport path, ie the Bedruckstofflaufs, considered in succession more than at least the maximum width of substrate B02 _max extending lines, each with a variety of radiation sources 38 _{k, i} , in particular UV LEDs (see eg 8th ). From this formed groups 38 _k In this case, each comprise one or more longitudinal rows next to one another, each with a plurality of radiation sources arranged one behind the other along the transport path 38 _{k, i} , especially UV LEDs. In a simple embodiment, simultaneous and / or joint switching on and off of the radiation sources relating to the groups can take place 38 _{k, i} as actually simultaneous and / or joint switching all, even of the successively arranged radiation sources 38 _{k, i} of the groups 38 _k be done or trained. In an advantageous embodiment for the case of the multi-dimensional arrangement of radiation sources 38 _{k, i} is the simultaneous and / or joint switching to the passage of the printing material 02 related to the relevant line. In this case, the "simultaneous and / or joint" switching of the radiation sources encompassed by the participating groups takes place 38 _{k, i} in such a way that the radiation sources to be switched 38 _{k, i} line-wise correlated to the substrate feed simultaneously and / or jointly switched on and off. The lines are synchronized to the printing substrate progressively switched on and off.

In a development which is less complicated with regard to an interconnection, a plurality of radiation sources can each be considered in the transverse direction 38 _{k, i} , z. B. LEDs 38 _{k, i} ,, especially UV LEDs 38 _{k, i} , or several longitudinal rows of radiation sources 38 _{k, i} , in particular longitudinal rows of LEDs 38 _{k, i} , be operatively connected to a same switching element over which they can be turned on and off as a fixed subgroup only in total, and which in turn to the group 38 _k together and / or simultaneously to be activated and deactivated radiation sources 38 _{k, i} are to be summarized. However, the dissipation of the irradiation in the transverse direction suffers, which is, however, to be accepted for some applications.

The z. B. in the transverse direction smallest switchable unit can here - regardless of whether these in width only a single radiation source 38 _{k, i} or a longitudinal row of radiation sources 38 _{k, i} or several individual radiation sources 38 _{k, i} or multiple longitudinal rows of radiation sources 38 _{k, i} comprises - be referred to as a radiation segment.

Basically, the dryer elements 38 _k and the controller 37 comprehensive drying device with a fixed in the transverse direction, possibly only laterally adjustable for adjusting the dryer arrangement of the dryer elements 38 _k be formed and / or with a one- or multi-part desiccant 38 be formed, through which over a total effective width b _A continuously extending effective range A is formed or educable.

The dryer elements 38 _k and the controller 37 However, comprehensive drying device is preferably adapted to - in at least one operating situation - viewed in the transverse direction on a plurality of spaced-apart section widths, for. B. tracks t _i , through one or more of the dryer elements 38 _k a radiation effecting or at least supporting irradiation can be applied, the irradiated section widths or tracks t _i are interrupted by unirradiated sections or tracks. The irradiated section widths or tracks t _i can in each case by only one or more adjacent drying areas a _j be formed. The thus varying in the transverse direction irradiation profile with irradiated and unirradiated sections or tracks t _i is for example by a correspondingly spaced positioning of displaceable dryer elements 38 _k and / or preferably by section-wise activation of dryer elements 38 _k effected. In this case, the dryer elements 38 _k as stated above as radiation sources 38 _k present or as groups 38 _{k, i} , from individual radiation sources 38 _{k, i} which are fixed or Favor production dependent variable definable.

Preferred in the first embodiment with displaceable dryer elements 38 _k several or all of the dryer elements 38 _k displaceable such that positions of the active or activatable dryer elements 38 _k and / or distances between the through the dryer elements 38 _k Irradiated section widths - preferably up to a distance zero or even a slight overlap - are variable depending on the printed product-related characteristics. For this purpose, the dryer elements 38 _k manually or motor to be movable in the transverse direction and / or moved. In a more highly automated design, the dryer elements are or will be 38 _k in the transverse direction automated via the control device 37 positionable or positioned.

This printing product-related configuration of the drying device in the second embodiment, here a selection and / or selection and / or positioning of the dryer elements 38 _k via the control device 37 , can hereby -. B. by operators on a user interface 55 - manually entered or selected production-related data P or obtained from a production planning or an inspection, such. B. to number and / or size and / or lateral position of use on the substrate 02 , respectively. For this purpose, these are the production in terms of positioning of and / or formation of dryer elements 38 _k characterizing data P in the form of appropriately prepared information I (P) the control device 37 where, for example, in control means set up for this purpose 48 , z. B. computational and / or data processing means 48 , are processed to the respective positioning signals. The data P or information I (P) can be done by operators at the operator interface in a more detailed manner outlined below 55 data obtained from data imported from production planning or from data originating from an inspection system or provided in parallel to the inspection system. The signals relating to the positioning can then be supplied, for example, to one or more drives provided for positioning. Do not always all dryer elements 38 _k requires information derived from print product related characteristics I (G (k)) over the dryer elements to be activated 38 _k in the control of the beam or radiation sources 38 _{k, i} , Taking into account, for example, for the production concerned only the selection determined thereby G (k) of groups 38 _k or dryer elements 38 _k activated activated and / or. is activated or is.

In the second embodiment of the drying agent 38 with dryer elements 38 _{k, i} , as printed product related from blasting or radiation sources 38 _{k, i} to be formed or formed groups 38 _k are present, position and / or size of irradiated section widths and / or distances between by the dryer elements 38 _k irradiated section widths variable by, for example, the total of the across the width b38 arranged beam or radiation sources 38 _{k, i} , depending on the product-related characteristics specific groups 38 _k to be activated or activated beam or radiation sources 38 _{k, i} with intermediate groups not to be activated or inactive beam or radiation sources 38 _{k, i} be formed. This should also be construed as an embodiment, with smaller groups of radiation or radiation sources 38 _{k, i} according to the printed product related characteristics to several overlapping groups 38 _k be summarized.

The printing product-related configuration of the dryer device in the second embodiment, here a determination of the sections to be exposed or to be acted upon, ie selection or definition of beam or radiation sources to be activated or activated 38 _{k, i} for the training of the groups to be activated 38 _k can also hereby. B. by operators on a user interface 55 - be taken manually, z. B. be selected manually or computer based on manually entered or selected data. Examples of this are detailed below.

Additionally or alternatively, the determination can be made on the basis of production-related data P. The production-related data P or information I (P) can be done by operators at the operator interface in a more detailed manner outlined below 55 provided data, data imported from production planning, or data coming from an inspection system or provided in parallel to the inspection system. The originating from the production planning or the inspection system data P are the controller z. B. via a data interface 59 and includes data on product-related characteristics, such as B. to number and / or size and / or location of use on the substrate 02 , In a highly automated embodiment, such data - for example via a data interface - the controller 37 information in the form of product-related characteristics I (P) where, for example, by appropriately established control means 48 , z. B. computational and / or data processing means 48 to form the groups to be formed for the production in question 38 _k activatable or to be activated beam or radiation sources 38 _{k, i} be used. Thus, information (G (x)) obtained from print product related characteristics can be obtained from subsets of the beam or radiation sources 38 _{k, i} formed and activated groups 38 _k or dryer elements 38 _k in the control of the beam or radiation sources 38 _{k, i} Taking into account, for example, for the production concerned only the selection determined thereby G (x) from radiation or radiation sources 38 _{k, i} is activatable.

The selective activation of the dryer elements 38 _k or to groups 38 _k combined beam or radiation sources 38 _{k, i} itself, for example, in one of the dryer elements 38 _k or beam or radiation sources 38 _{k, i} switching, possibly spatially from the dryer 14 ; 16 ; 36 Included dryer control 49 implemented according to the selection made. The product-relevant selection or the selection and / or formation of the groups 38 _k Information (G (k); I (G (x)) relating to one of the following may be used in the transport direction (for example, in the figures with one direction y indicated) varying and / or clocked wiring also form a basis for a relevant overlay, so that a varied in length and / or location or clocked activating and deactivating each only for the selected and possibly product-related positioned and / or groups 38 _k to be activated beam or radiation sources 38 _{k, i} combined dryer elements 38 _k he follows.

For example, in the case of the first embodiment of the desiccant 38 in a first operating situation (eg 9a ) with, for example, a first printing material or printing area width B02 ; B44 and / or a first transverse profile of pressure gaps 52 a printing area interrupted by non-printable strips 44 a first selection and / or positioning of dryer elements 38 _k activated or activated and in a second, from the first operating situation in the printing material and / or printing area width B02 ; B44 and / or different second operating situation in the profile (eg 9b ) in the selection and / or positioning to the first operating situation different dryer elements 38 _k be activated or activated.

In the case of the second embodiment, in a first operating situation (eg. 10a ) With, for example, a first substrate width B02 and / or a first transverse profile of pressure gaps 52 a print area interrupted by non-printable columns 44 a first selection of groups 38 _k combined beam or radiation sources 38 _{k, i} activated or activated and in a second, from the first operating situation in the substrate width B02 and / or the second operating situation deviating from the profile (eg 10b ) differing in the selection for the first operating situation beam or radiation sources 38 _{k, i} be activated or activated.

Under a pressure column 52 should be understood here in the transport direction extending pressure strip, which runs on both sides by in the transport direction, not in the printing unit 03 or the relevant printing unit 19 ; 23 printed strips of a strip width are limited, the z. B. Beyond the dimension of individual pixels or color points beyond ready, z. B. has a width of more than 5 mm, in particular more than 10 mm. However, printed strips that are separated by z. B. such non-printed narrow strips of at least 5 mm are interrupted despite their discontinuity in the above sense to larger pressure gaps 52 be summarized or become.

In a preferred embodiment, the positioned and / or selected for activation dryer elements 38 _k or groups 38 _k from radiation or radiation sources 38 _{k, i} spaced apart from one another in the transverse direction, in particular at least three or more such dryer elements 38 _k or groups 38 _k spaced approximately or substantially equidistantly spaced side by side and / or can be arranged.

The the dryer 14 ; 16 ; 36 and the controller 37 comprehensive drying device is thus designed and arranged in an advantageous embodiment, only a part of the radiation sources 38 _{k, i} in sections in several, in particular at least four predefinable, transversely to the transport direction to each other approximately, ie by more than 20% from the average distance deviating, equidistant spaced groups 38 _k from radiation sources 38 _{k, i} turn on and off simultaneously and / or jointly after a certain sequence. In a preferred embodiment, it is executed and set up, depending on a cycle detailed below Z only a part of the radiation sources 38 _{k, i} in sections in several, in particular at least four predefinable, transversely to the transport direction such equidistantly spaced apart groups 38 _k from radiation sources 38 _{k, i} according to a sequence comprising a plurality of and / or at least three equidistant active phases P _AN includes a same first phase length, simultaneously and / or jointly on and off.

The groups are preferred 38 _k substantially equidistant from each other, ie deviating at most 10% from the mean distance. For example, the distances between the on and off groups differ 38 _k of each other by a maximum of twice the definition of the groups 38 _k transversely to the transport direction considered smallest possible increment, ie the smallest possible in the transverse direction switchable unit, z. B. the width of an above-mentioned more or preferably single-lane LED row.

Of particular advantage is the configuration, ie the positioning and / or selection of the dryer elements to be activated 38 _k or groups 38 _k on the basis of the product-related data P or information I (P) , In particular, this is done on the basis of the product-related information I (P) encompassed information by which a number and location of at least three, preferably at least four in the transverse direction, in particular equidistant, spaced from each other on the substrate 02 imprinted or aufzudruckender print elements 56 , in particular the same printed image element 56 , definable and / or fixed. Using this information and taking into account the relative position between the substrate 02 and dryers 14 ; 16 ; 36 at the site of action of the dryer 14 ; 16 ; 36 becomes the positioning of the dryer elements 38 _k or the education groups 38 _k carried out or is made accordingly.

The number and distribution of picture elements 56 Information in the transverse direction can basically be obtained in any way and in the information I (P) be made available. So this could basically from the printed image in its entire width and length image data concerned, z. B. from existing in the prepress data for the entire print image pertaining to printing patterns, be obtained by the evaluation or be. However, this is a great deal of effort and can moreover easily lead to errors due to the high number of each to be determined exposure ranges.

insbesondere ≥ 4, bevorzugt ≥ 6, und/oder zur Lage und/oder zur Größe von in Querrichtung nebeneinander und z. B. einzeln oder in Gruppen, bevorzugt äquidistant, beabstandet zueinander auf dem Bedruckstoff 02 aufzubringender oder aufgebrachter ein- oder mehrteiliger Bildelemente 56 generiert. Die Bildelemente 56 weisen z. B. zumindest eine selbe oder im Wesentlichen, d. h. mit höchstens ± 2 mm Abweichung, selbe Breite und/oder gar ein gleiches Druckmuster bzw. Motiv auf. So kann sich beim Druck von Nummerierungen als Bildelement 56 ein Nummernfeld mit im wesentlichen gleichen Abmessungen oder für den Fall von im Siebdruck aufzubringenden Bildelementen 56 ein gleiches Motiv in Querrichtung n_x - fach wiederholen. Die Trocknerelemente 38_k oder Gruppen 38_k werden bzw. sind dann entsprechend dieses Musters von durch nichtbedruckte Bereiche unterbrochenen Bildelementen 56 angeordnet und/oder anordenbar. Dabei können die Trocknerelemente 38_k oder Gruppen 38_k beispielsweise derart angeordnet und/oder einer Breite ausgebildet sein, sodass die Bildelementen 56 in ihrer Breite jeweils vollständig von der Wirkbreite b_A der betreffenden Trocknerelemente 38_k oder Gruppen 38_k umfasst sind. In einer Variante hierzu oder einer anderen Betriebssituation, insbesondere in Verbindung mit einer im Bedruckstoffweg dem Trockner 16 zu- oder vorgeordneten, das Erscheinungsbild beeinflussenden Konditioniereinrichtung 17, sind oder werden die Trocknerelemente 38_k oder Gruppen 38_k beispielsweise derart angeordnet bzw. mit einer Breite ausgebildet, sodass die Bildelementen 56 in ihrer Breite lediglich zu einem vorbestimmbaren Teil von der Wirkbreite b_A der betreffenden Trocknerelemente 38_k bzw. Gruppen 38_k umfasst und/oder bestrahlt sind.In a particularly advantageous solution, however, these details to be used for positioning and / or selection are taken from data on the number n _x ${\text{n}}_{\text{x}}\in \mathbb{N}\ge \mathrm{3,}$

in particular ≥ 4, preferably ≥ 6, and / or the position and / or the size of transversely side by side and z. B. individually or in groups, preferably equidistant, spaced from each other on the substrate 02 applied or applied one or more picture elements 56 generated. The picture elements 56 have z. B. at least a same or substantially, ie with at most ± 2 mm deviation, the same width and / or even a same print pattern or motif. Thus, when printing numberings as a picture element 56 a number field of substantially the same dimensions or in the case of screen-applied picture elements 56 Repeat times - a similar motif in the transverse direction n _x. The dryer elements 38 _k or groups 38 _k are then corresponding to this pattern of pixels interrupted by non-printed areas 56 arranged and / or can be arranged. In this case, the dryer elements 38 _k or groups 38 _k For example, be arranged and / or formed such a width, so that the picture elements 56 in their width in each case completely from the effective width b _{A of} the respective dryer elements 38 _k or groups 38 _k are included. In a variant of this or another operating situation, in particular in conjunction with a in the Bedruckstoffweg the dryer 16 upstream or upstream, the appearance influencing conditioning 17 , are or are the dryer elements 38 _k or groups 38 _k For example, arranged such or formed with a width, so that the picture elements 56 in their width only to a predeterminable part of the effective width b _{A of} the respective dryer elements 38 _k or groups 38 _k encompassed and / or irradiated.

insbesondere ≥ 4, bevorzugt ≥ 6, von Nutzen 57 nebeneinander und/oder über die gesamte Druckbild- bzw. Druckbereichslänge L44 eine Mehrzahl, z. B. eine Anzahl N_Y, mit ${\text{N}}_{\text{Y}}\in \mathbb{N}\ge \mathrm{3,}$

insbesondere ≥ 5, von Nutzen 57 hintereinander umfasst, die sich in zumindest der Lage auf dem jeweils Nutzen 57 und/oder gar im Druckmuster nicht unterscheidende Bildelemente 56 oder Bildelementgruppen tragen. Je Nutzen 57 können ein oder mehrere o. g. Bildelemente 56 oder Bildelementgruppen vorgesehen sein.Said preferred embodiment is of particular advantage in connection with a mode of operation and / or design of the printing press, in which by the printing unit 03 applied print image over the print image or print area width B44 a plurality, e.g. As a number N _x , With ${\text{N}}_{\text{X}}\in \mathbb{N}\ge \mathrm{3,}$

in particular ≥ 4, preferably ≥ 6, of use 57 next to each other and / or over the entire print image or print area length L44 a plurality, e.g. B. a number N _Y , with ${\text{N}}_{\text{Y}}\in \mathbb{N}\ge \mathrm{3,}$

especially ≥ 5, of use 57 one after another, which is at least capable of benefiting each 57 and / or even in the print pattern non-distinctive picture elements 56 or image groups. The benefit 57 can one or more above picture elements 56 or picture element groups.

The control of the radiation source 38 The underlying sequence preferably comprises one of the number n _{x of} the rows of image-forming printed image elements lying one behind the other in the circumferential direction in a printing image length 56 or groups of such print pixels 56 corresponding number equidistant over respective inactive phases P _AB spaced active phases P _AN a same first phase length and an inactive phase P _AB with a compared to the first phase length significantly larger, ie at least twice, the phase length. In the case of several, z. B. of two, in the direction of transport per benefit 57 spaced pixels may correspond exactly to one of the number of uses Ny, and a plurality of pixels, respectively 56 covering number of active phases P _AN be equidistant from a same first phase length. In a finer resolution can several, z. B. two, such series, each with a number Ny of equidistant spaced phases P _AN be provided offset from each other.

dieser Bildelemente 56 oder Bildelementgruppen beabstandet zueinander angeordnet sein können (siehe z. B. 17a).The juxtaposed picture elements 56 can be viewed in the transport direction in each case by the above-mentioned pressure columns 52 includes, wherein in the transport direction, for example, in each case several, z. B. a number n _Y , with ${\text{n}}_{\text{Y}}\in \mathbb{N}\ge \mathrm{2,}$

of these picture elements 56 or pixel groups can be arranged at a distance from one another (see, for example, FIG. 17a ).

As a "benefit" 57 is here a multiple in size and structure - and preferably in a regular arrangement - repeating part of the entire print image of a printing section referred to, which - after at least one longitudinal and / or transverse cutting of the printing material 02 - a z. B. represents individually usable product unit for the intermediate or end customer. In here z. B. preferred security printing are the individual benefits 57 on the through a print image in a print area 44 printed substrate 02 For example, formed by individual banknotes or security documents corresponding partial print images, which on the further processing path - possibly after further processing, such. B. a repeated printing and / or embossing and / or coating - are separated by cutting only to the individual banknotes.

Basically independent of the aforementioned embodiment of the dryer 14 ; 16 . 36 with selectable and / or positionable and / or formable dryer elements 38 _k or groups, but preferably in conjunction therewith, is the desiccant 38 , in particular the beam or radiation sources 38 _{k, i} switching dryer control 49 with, for example, the control device 37 included control means 51 in signal connection, which is the one- or multi-part desiccant 38 , all or preferred as selected and / or formed groups 38 _k in the present case, correlated in above already indicated manner, in particular synchronized or clocked to the machine and / or printing material phase position, ie for example to the position and / or the movement of a machine phase, in particular to a pressure point 06 ; 07 relevant phase position, and / or to a situation and / or an advance of the substrate 02 activated and deactivated in the printing press or by which this is activated or deactivated in whole or in part or is activated and deactivated. In particular, there is a correlation, in particular a correlation of switching states SZ ; SZAN; SZ _AB the involved dryer elements 38 _k or groups, with respect to a length and / or location of a repeating sequence of activation and deactivation, ie one over a cycle length L _Z extending on-off sequence with at least one active state "ON", z. B. on state "ON", and at least one of an inactive state "AB", z. B. shutdown "AB" phase concerned P _AN ; P _AB , The machine phase can be from the middle or directly derived angular position of a cylinder 18 ; 21 ; 22 a pressure point 06 ; 07 or another register member to be rotated to rotating machine element. The progress of the printing material 02 relevant size can by an angular position signal of the substrate 02 be in accordance with the register transporting machine element or by a passage signal of a provided on the transport sensor.

The cycle length L _Z , is preferably given by the repetition length between two successive printing sections, ie the shortest possible distance between the leading ends of two successive printing lengths. Depending on the physical variable to be considered, it can be spatially set to a path length between two locations y or an angle φ or in time between two points in time t be related. Taking into account the geometry and the transport speed profile, these variables are interconvertible and, for example, relative to the machine phase Respectively. The cycle length L _Z corresponds to the sum of the length L _D one considered along the transport path for the maximum usable section pressure U _D , z. B. peripheral section U _D and a length L _N one between two such sections U _D lying, not usable for the pressure section U _N , The latter can be caused inter alia by interruptions in the case of sheet printing inter alia by the means for the sheet transport and for the web printing, which are caused by collisions or even gaps between the ends of clamped printing plates. For the presence of a counter-pressure and / or transport cylinder 21 corresponds to the cycle length L _Z for example, the total of the total length L _D a usable for the pressure peripheral portion U _D and the length L _N a non-usable for the pressure peripheral portion U _N and / or the n-th part of the circumference of the n-large or n saddle comprehensive counter-pressure and / or transport cylinder 21 ,

The cycle length L _Z or the An-Ab sequence assigned to it now comprises an on / off sequence with at least one phase P _AN with activated desiccant 38 or dry element 38 _k and at least one phase P _AB with desiccant deactivated 38 or dry element 38 _k , Here, the concept of the phase P _AN ; P _AN again relate to a spatial or correspondingly correlated temporal size. Such a cycle-related sequence can only have a single activated phase P _AN and a deactivated phase P _AB or in training also several, each of a disabled phase P _AB interrupted activated phases P _ON include. The length of a disabled phase P _AB corresponds here, for example, at least the width or passage duration of the opening 28 plus the length or passage time of possibly existing functional sections which, for example, by a distance a _s upstream of the trailing pit edge and / or by the length of the above-mentioned overlap of a possibly provided cover element 29 given is.

The dryer includes beside the dryer 14 . 16 ; 36 thus a control device 37 with control means 51 , by means of which the z. B. than across the width b38 continuous or in the form of individual dry elements 38 _k trained desiccant 38 in the above-mentioned correlation to the machine phase of the printing press and / or to the progress of the printing material 02 can be switched on and off or switched on and off in whole or in part. In particular, by the control means 51 comprehensive control device 37 the drying agent 38 or at least one of the drying elements 38 _k alternately for one of the length of the activated phase P _AN corresponding duration in an activated or switched on state "ON" and for a length of the deactivated phase P _AB corresponding duration in a deactivated or inactive or switched off state "AB" can be brought. From Z. B. the dryer control 49 included the desiccant 38 or the dry elements 38 _k switching switching means are alternately in corresponding, the active or on state "ON" and the inactive or switched off state "ON";"AB" causing switching states SZ _AN ; SZ _AB spent (see eg schematically in 11 ).

The data processing and / or control means 48 ; 51 and / or dryer control 49 comprehensive control device 37 can be through a contiguous or distributed control circuit 37 or by connected or distributed data processing means interconnected by signal technology 37 be formed, wherein it comprises switching and / or data processing means for performing an above-mentioned synchronization of a startup and shutdown sequence for machine phase and / or the printing material progress. The control device 37 can be wholly or partially integrated into a machine control system connected with other control and / or drive means of the printing press or in whole or in part especially for the control of the dryer 14 . 16 ; 36 be provided.

The said synchronization or correlation of the one cycle length L _Z related sequence to the machine phase and / or the printing material progress is z. B. by transmission of the machine phase and / or the printing material progress representing signals S _K , z. B. a trigger signal S _K , via a signal connection 35 one of the machine phase of the printing press and / or the progress of the printing material 02 representing and the dryer control z. B. as a master 42 serving clock 42 to the control device 37 , This can be done, for example, by a relevant machine phase of the printing press and / or the progress of the printing material 02 detecting sensors 42 and / or by a master axis 42 the medium or direct drive of the cylinder 21 be given controlling drive control. In a particularly suitable for retrofitting this can be an already provided in the machine, a registergerecht anzutreibendem component, eg. B. the investment drum, associated sensors 42 be. For machines, for the several transport and / or printing components or component groups rotatory by mechanically independent drive motors 41 are driven by a common electronic master axis, the dryer control as a master 42 serving master axis encoder 42 through such an electronic master axis 42 be formed, which serves as a master to several other drive motors of the printing press. This leading axis 42 can be considered a real electronic master 42 follow the rotational movement of a real angle signal or as a virtual leading axis Data processing means generated and predetermined for all coupled follower drives. The signal connection 35 is in this embodiment by the coupling to the electronic master axis 42 formed and executed for example as a bus or network system.

Since the timing of the dryer or the elements 38 _k of the drying agent 38 preferably in real time, is the signal connection 35 between that preferably as a sensor 42 executed clock 42 and the controller 37 in an advantageous embodiment, however, given by a - different from a bus system or a network - analog line connection and / or the trigger signal S _k is called as. "Fast triggering", z. B. by hardware signals to the controller 37 or the process processing the signals, but not via a clocked network or bus system or a signal processing and / or transmitting PLC.

The correlation of the - depending on the design of the dryer control or the relevant operation in one of the variants listed below - one or more on and off operations comprehensive sequence is performed by a in the control means 51 implemented control logic, which may be formed for example by a mechanical switching arrangement, a purely electronic control circuit, by a software routine, or by a combination thereof. In this case, the recurring passage through the sequence is correlated, in particular synchronized to the signal representing the machine phase and / or the printing material progress S _K , As the sequence progresses within the cycle length L _Z the location and duration of one or more active and one or more inactive phases P _ON ; P _AB according to the circuit profile relevant for operation. In a particularly advantageous embodiment, the control means comprise 51 for this purpose, an electronic cam controller whose virtual motion is synchronized with the machine phase and / or the printing stock progress, and whose profile is the one or more active and inactive phases P _ON ; P _AB maps.

The correlation of the on a cycle length L _Z related on and off sequence for several or all to be activated dry element 38 _k or groups 38 _k can in principle always by specially provided control means 51 with a respective control logic or specifically in common control means 51 implemented control logics, eg. As electronic cam switches, done. This may preferably be advantageous in connection with an operating mode and / or design of the printing press, in which the printing unit 03 applied print image, for example, only one on the print image width B44 encompassing benefit or multiple utility side-by-side benefits.

insbesondere ${\text{N}}_{\text{X}}\in \mathbb{N}\ge \mathrm{3,}$

insbesondere ≥ 4, bevorzugt ≥ 6, von Nutzen 57 nebeneinander und/oder über die Druckbildlänge L44 eine Mehrzahl, z. B. eine Anzahl N_Y, z. B. mit ${\text{N}}_{\text{Y}}\in \mathbb{N}\ge \mathrm{2,}$

insbesondere ${\text{N}}_{\text{Y}}\in \mathbb{N}\ge \mathrm{3,}$

bevorzugt ≥ 5 von Nutzen 57 hintereinander umfasst, die jeweils sich in der Lage auf dem Nutzen 57 und/oder im Druckmuster nicht oder kaum unterscheidende Bildelemente 56 tragen.In the case of several dry elements in the above sense 38 _k or groups 38 _k comprehensive desiccant 38 the correlation is the cycle length L _Z relevant startup and shutdown sequence preferably for several or all of the provided and / or formed dry elements 38 _k or groups 38 _k synchronous to each other. The correlation of the dry elements to be activated for the production in question 38 _k or groups 38 _k may be preferred via common control means 51 by a same control logic and / or a same switching profile together or over several synchronously operated control logics individually or to several. The synchronous circuit may preferably be advantageous in connection with an operation and / or design of the printing press, in which the by the printing unit 03 Applied print image over the print image width B44 a plurality, e.g. As a number N _x , with z. B. ${\text{N}}_{\text{X}}\in \mathbb{N}\ge \mathrm{2,}$

especially ${\text{N}}_{\text{X}}\in \mathbb{N}\ge \mathrm{3,}$

in particular ≥ 4, preferably ≥ 6, of use 57 next to each other and / or via the print image length L44 a plurality, e.g. B. a number N _Y , z. B. with ${\text{N}}_{\text{Y}}\in \mathbb{N}\ge \mathrm{2,}$

especially ${\text{N}}_{\text{Y}}\in \mathbb{N}\ge \mathrm{3,}$

preferably ≥ 5 is useful 57 one after the other, each capable of benefit 57 and / or in the print pattern little or no distinctive picture elements 56 wear.

The drying device - in particular the mentioned, the drying agent 38 and / or the drying element 38 _k or groups 38 _k in a correlation to the machine phase of the printing press and / or to the progress of the printing material 02 on and off switching control device 37 - includes control means 54 , by which a length and / or position of at least one of the on state "ON" phase P _ON for the desiccant 38 or one or more dry elements 38 _k or groups 38 _k within a repetitive cycle for turning on and off depending on production information I (P) , z. B. of the printed image or the substrate format F relevant or representative information I (F) ; I (L44) ; IN THE) is variable and / or varied. In the case of the printing material format and / or the printed image concerned or representing information I (F) ; I (L _B ); I (M) may be information in particular I (F) ; I (L44) ; IN THE) to the length considered in the direction of transport L02 the printing material sections, z. B. the substrate length L02 , or to a printing section concerned print image length L44 or to through the printing unit 19 ; 23 act to print printed pattern. For information concerning "the substrate format" or the "substrate length L02" I (F) it may be the actual format width and / or length directly, where necessary, a - for example, definable - discount .DELTA.f (exemplary of all possible embodiments in 13 and 18 for the course of the first drying element 38 ₁ indicated) for one or more possibly not printable edge areas, such. B. for the leading and gripped for example by gripping edge, are taken into account by the controller, or to already reduced by possibly required deductions reduced information. In the following, the information relating to "the substrate format" or the "substrate length L02" is intended I (F) which includes the actual format dimensions as well as the information representing format discounted blanks.

Information concerning the printed image or the printed pattern IN THE) as information concerning production I (P) it can be geometric information about a grid of picture elements. Here, the length and / or position of the phase P _ON be referred to in the above-mentioned manner on the spatial or angular position or its temporal equivalent relative to the machine phase position and / or the printing material layer.

In a first variant, two or more discrete values or value ranges for the relevant information can be used for the format-dependent or image-dependent control of the phase length and / or position in an assignment specification I (F) ; (I L _D ); I (M) is a corresponding number of discrete phase lengths and / or locations for the one or more activated phases P _ON and / or a corresponding number of -. B. at least partially spaced apart - phasing for the end of the activated phase P _ON be held or assigned.

In an alternative, however, it may be provided that by the control means 54 as a function of a continuous range of values of the relevant information I (F) ; I (L _B ); I (M) values via an assignment rule a value for the phase length and / or position of the active phase P _ON or for the phase position of the end of the active phase P _ON from a continuous - and z. B. limited up and down - value range is provided or provided. In this case, a sequence of equidistant discrete steps should be understood as "continuous", which is conditioned, for example, by restriction or rounding down to the smallest steps to be considered and / or hand-handled in the variable to be considered.

By the control device 37 a processing of the said correlation or synchronization signals takes place S _K on the switching on and off of the drying agent 38 or more, in particular the intended for switching on and off, dry elements 38 _k or groups 38 _k controlling signals S _T , z. B. Tacktungssignalen S _T , taking into account a specific, by the control means 54 provided and related to a cycle length L _z on-off profile with at least one of the active state "ON" phase P _ON and at least one phase relating to the inactive state "AB" P _AB , By that over the control means 54 The profile provided is the respective phase length and / or position for the at least one phase relating to the active state "ON" P _ON or phases P _ON in - preferably synchronized to the machine and / or printing material phase position - cycle or within the cycle length L _Z established. The production and provision of the production-specific profile, ie the at least one specific phase length and / or position, is effected by the control means 54 depending on the substrate format and / or the print image characterizing and / or relevant information I (F) ; I (L _B ); I (M) (see, for example, 6 and 7 ). This in the control device 37 , in particular in the control means 54 , information to be processed on the basis of an assignment rule held there I (F) ; I (L _B ); I (M) include or are based on manually defined or automatically obtained specifications for the substrate format F and / or for the printed image.

The z. B. from the controller 37 for the correlated on and off control means included 54 for providing the format- and / or print-image-dependent phase length and / or position may be formed by one or more contiguous or distributed circuit and / or data processing means, wherein there are circuit and / or data processing means for determining a phase length relating to the on state "ON" and / or phase position as a function of the above-mentioned information I (F) ; I (L _B ); I (M) to format and / or printed image includes.

The of the control device 37 included control means 54 can - according to the control device 37 itself - in whole or in part in a control technology connected with other actuating and / or drive means of the printing press, z. B. a planning and / or management level 47 attributable Machine control integrated or decentralized and spatially close to the dryer to be controlled 14 ; 16 ; 36 be provided.

The length and / or location of the at least one active phase P _ON or that over a cycle length L _Z reaching switching profile is determined by one of the control means 54 included allocation rules depending on the information to be used I ; I (F) ; I (L _B ); I (M) determined and / or provided. The assignment rule can be z. B. as a pure assignment rule in a table or as a functional context in one of the control means 54 be included computational and / or storage means. This should also be understood as a complex rule by which, depending on the information to be used I (F) ; I (L _B ); I (M) a switching profile taking into account the specific length and / or position for one or more phases relating to the active state "ON" P _ON comprehensive sequence is determined and / or created.

The information to be used for determining the profile, ie the phase lengths and / or the phase ends or the phase positions, on the input side of the assignment rule I (F) ; I (L _B ); I (M) may be the control means 54 z. B. via a signal connection 53 from the planning and / or management level 47 be made available. This may be the case, for example, in the case of information relating to or representing the substrate format F and / or the printed image I (F) ; I (L _B ) - from one of the planning and / or management levels 47 be attributed to the console. At this is the appropriate information I (F) ; I (L _B ) itself or to this information I (F) ; I (L _B ) to be processed information, for example via a user interface 55 manually selectable or input. Manual determination should also be understood as meaning the selection of areas in a correspondingly configured operating mask or selection via keys and a combination of input and selection.

In a more automated variant, the information I (F) ; I (L _B ) or to this information I (F) ; I (L _B ) to be processed from already electronically in the planning and / or management level 47 or pre-press data for product and / or production planning, eg. B. data on number and / or size and / or position of the benefits on a substrate sheet 02 and the relative position of areas to be acted upon or in another embodiment to the size and / or position of the printing material sheet 02 be won or be.

In a first embodiment of the embodiment of the control means 54 or to the dryer control, z. In 12 schematically based on one - for example, the length of a usable for printing and a not usable for printing peripheral portion U _D ; U _N corresponding - cycle length L _Z are indicated, for example, in a first operating situation printing material sections 02 a first format F.1 ie with a first substrate surface L02.1 , and in a second operating situation printing material sections 02 a second format F.2 ie with a second bed of printing material L02.1 can be printed or printed. Depending on the respective format or printing substrate L02.1 ; L02.2 or an information representing this length I (F) becomes the phase length and possibly position of the active phase P _ON or, preferred in this case, an end of the active phase P _ON by the control device 37 or the control means 54 determined and / or it is carried out depending on the respective Bedruckstoffläge L02.1 ; L02.2 or an information representing this length I (F) switching the drying agent on and off 38 or of positioned and / or selected or formed dry elements 38 _k or groups 38 _k in a respective cycle Z1; Z2, in which the differing Bedruckstofflägen L02.1 ; L02.2 different phase lengths for the respective active phase P _ON or - preferred in this case - different phase positions for the end of the respective active phase P _ON are assigned. The phase position for the beginning of the respective active phase P _ON can each have a same and z. B. based on the cycle length L _Z fixed, but possibly be changed. In addition, above-mentioned deductions for the ever printable area, z. B. at the leading end, be taken into account. The latter are in the schematic representation in 12 a) and b) were disregarded.

In the embodiment set out above, in which the printing material 02 in several transversely spaced to the transport direction tracks t _i by respective drying elements 38 _k or groups 38 _k are the affected dry elements 38 _k or groups 38 _k preferably simultaneously and / or jointly switched on and off once per cycle (see 13 ). The phase of the cycle Z underlying sequence, ie here the distribution between active and inactive phase P _ON , Phase P _AB , here is format-dependent in the manner described above.

The information relating to the print format F or its length for the case of the first embodiment directed to the format-related timing are or are in an advantageous solution from og, the Product planning for the relevant production or the inspection electronically available data or by manual input and / or selection of such information provided, for example, the control room. The manually selected or entered data for format F can either be entered directly for the purpose here or previously for another purpose and then imported.

In a second, possibly instead of or optionally for the first embodiment feasible or providable embodiment, for. In 14 schematically based on one - for example, the length of a usable for printing and a not usable for printing peripheral portion U _D ; U _N corresponding - cycle length L _Z indicated, the phase length of the active phase P _ON or at least an end of the active phase P _ON by the control device 37 or the control means 54 depending on the respective print image length L44 or an information representing this length I (L44) certainly. Under the print image length L44 should z. B. in this case be understood that length, the flow side by the first and return side by the last by the pressure point 06 ; 07 limited to a print length to be provided inking. The intermediate pressure range 44 may have continuous or discontinuous printing patterns. It is done for operating situations with differing print image length L44 depending on the respective print image length L44 or an information representing this length I (L44) switching the drying agent on and off 38 or of positioned and / or selected or formed dry element 38 _k or groups 38 _k in a respective cycle, in which the differing print image lengths L44 mutually different phase lengths for the respective activated phase P _ON or different phasing for the end of the respective active phase P _ON are assigned. The phase position for the beginning of the respective active phase P _ON can each have a same and z. B. fixed, but may be changed if necessary.

In the embodiment set out above, in which the printing material 02 in several transversely spaced to the transport direction tracks t _i by respective drying elements 38 _k or groups 38 _k are the affected dry elements 38 _k or groups 38 _k preferably simultaneously and / or jointly switched on and off once per cycle (see 15 ). The phase of the cycle Z underlying sequence, ie here the distribution between active and inactive phase P _ON , Phase P _AB , here is pressure-length-dependent in the manner described above.

Although the print image length L44 In the case of the second embodiment directed to the print image length-related timing, information relating to the above-mentioned image data from the prepress is or may be obtained in an advantageous but less complicated solution from data or manual data present in product planning Input and / or selection provided.

In a third, possibly instead of or optionally to the first and / or second embodiment feasible or providable embodiment, for. In 16 schematically based on, for example, the length of a usable for printing and a not usable for printing peripheral portion U _D ; U _N corresponding - cycle length L _Z indicated, can per cycle length L _Z several active phases P _ON and several inactive phases P _AB be provided. For example, the active phases P _ON equidistant to each other on the printed image length L44 spaced. It becomes a beginning and an end of the respective active phases P _ON by the control device 37 or the control means 54 depending on information IN THE) determines, which considered in the transport direction phase position of interrupted by unprintable stripes print strip 46 a print area 44 represent. There is an individual, depending on the particular distribution of the pressure strip for operating situations with divergent pattern of to be printed and not to be printed stripes 46 or from an information representing this distribution IN THE) a multiple on and off of the drying agent 38 or the selected or formed dry elements 38 _k or groups 38 _k in a respective cycle, in which of each other in the distribution of the pressure strip 46 deviating pressure ranges 44 different patterns for the phase angles and / or lengths, ie the position of the respective beginnings and / or ends of the respective activated phase P _ON are assigned.

To configure the dryer device, the print image related information I (L44) ; IN THE) to the print image length L44 the second, directed to the print-image length-related timing execution or number and / or location of the print strip 46 the third, on the pressure strip related timing directed execution or this information I (L44) ; IN THE) underlying information, for example, from above, the product planning for the relevant production or the inspection electronically available data or by manual input and / or selection of such information to be provided, for example, the control room. The manually selected or entered data for format F can either be entered directly for the purpose here or previously for another purpose and then imported.

Basically, this information could I (L44) ; IN THE) underlying information also based on data and / or information obtained by the evaluation of the pressure point 06 ; 07 to be printed image, in particular by evaluation of z. B. in the prepress as a data available printing pattern, ie from for the production of the printing form 31 ; 32 used data itself or from this data obtained by evaluation, are or are. You can do this

In the case of the third embodiment, regardless of the way in which the underlying data is made available, a plurality of fine strips to be printed, printed by e.g. B. narrower not to be printed stripes are interrupted despite this discontinuity to larger pressure strip 46 be summarized or become.

In the case of the third embodiment, which is directed at the printing strip-related timing, the provision of the switching profile, ie the determination of the cycle-related n phase lengths and / or positions, preferably takes place based on information or information containing the information IN THE) moving in the direction of transport across the print image length L44 extending pattern of a plurality of spaced apart on the substrate 02 imprinted or planned to be printed on print pixels 56 describe. These are, for example, indications by which a number and position of three or more in the transport direction, in particular equidistantly, spaced from each other on the substrate 02 printed or aufzudruckenden print pixels 56 , in particular the same printed image element 56 , definable and / or fixed. Using this information and taking into account the above-mentioned synchronization of the respective cycle to the machine or printing material phase, the printing material conveyed past is produced during the production operation 02 clocked by the drying agent according to the profile 38 or by the above-mentioned positioned and / or selected dry element 38 _k or formed groups 38 _k with the drying medium, in particular the radiation acted upon.

von in Transportrichtung hintereinander und - bevorzugt äquidistant - beabstandet zueinander auf dem Bedruckstoff 02 planmäßig aufzubringender oder aufgebrachter Bildelemente 56 und aus Angaben zu deren Anzahl n_X generiert. Die das eine oder die Teilmenge der Bildelemente 56 betreffenden Angaben zu dessen bzw. deren Position und/oder Größe können direkt aus Daten der Produktplanung oder Inspektion oder aber durch manuelle Eingabe bereitgestellt sein und/oder werden. Aus dieser Lage und/oder Erstreckung des wenigstens einen von mehreren Bildelemente 56 und aus Angaben, durch welche auf die Lage der übrigen Bildelemente 56 geschlossen werden kann, wird das zyklusbezogene Profil für das mehrfache An- und Abschalten des Trocknungsmittels 38 oder der positionierten und/oder selektierten Trocknerelemente 38_k bzw. gebildeten Gruppen 38_k über einen entsprechend eingerichteten Routine bereitgestellt.Although these are the number and distribution of picture elements 56 in the transport direction information in principle all be based on the above data from the prepress or can be obtained, but they are preferably from information on the location and size of one or a subset of a plurality, eg. B. a number n _Y , with ${\text{n}}_{\text{Y}}\in \mathbb{N}\ge \mathrm{3,}$

from behind in the transport direction and - preferably equidistantly - spaced from each other on the substrate 02 scheduled to be applied or applied picture elements 56 and generated from information on their number n _X. The one or the subset of the picture elements 56 The information concerning its position and / or size may be provided and / or provided directly from data for product planning or inspection or by manual input. From this position and / or extent of the at least one of a plurality of picture elements 56 and from information by which on the location of the remaining picture elements 56 can be closed, the cycle-related profile for the multiple on and off of the drying agent 38 or the positioned and / or selected dryer elements 38 _k or formed groups 38 _k provided via a suitably established routine.

The picture elements 56 have z. B. at least a same or substantially, ie ± 2 mm, the same length in the transport direction and / or even already set out above manner z. B. an equal print pattern or motif. The dryer elements 38 _k or groups 38 _k are or are then according to this present in the transport direction pattern of pixels 56 during one cycle in several through inactive phases P _AB interrupted active phases P _ON activated or activated.

The the dryer 14 ; 16 ; 36 and the controller 37 comprehensive drying device is designed and set up in a particularly advantageous embodiment, each repetitive cycle Z all radiation sources 38 _{k, i} or preferably only a part of the radiation sources 38 _{k, i} in sections according to a sequence comprising several and / or at least three equidistantly spaced active phases P _ON includes a same first phase length, simultaneously and / or jointly on and off. In a preferred embodiment, the part of the radiation sources 38 _{k, i} in at least four predefinable, transversely to the transport direction to each other approximately, ie by not more than 20% from the average distance deviating, equidistantly spaced groups 38 _k from radiation sources 38 _{k, i} simultaneously and / or jointly on and off.

insbesondere ≥ 5, und/oder zur Lage und/oder zur Größe von in Transportrichtung hintereinander und - einzeln oder in Gruppen bevorzugt äquidistant - beabstandet zueinander auf dem Bedruckstoff 02 aufzubringender oder aufgebrachter ein- oder mehrteiliger Bildelemente 56. In an advantageous solution for configuring a timing set forth below, this is done using information on the number n _y , with ${\text{n}}_{\text{y}}\in \mathbb{N}\ge \mathrm{3,}$

in particular ≥ 5, and / or the position and / or the size of one behind the other in the transport direction and - individually or in groups preferably equidistantly - spaced from each other on the substrate 02 applied or applied one or more picture elements 56 ,

The the dryer 14 ; 16 ; 36 and the controller 37 comprehensive drying device is designed and set up in a particularly advantageous embodiment, each repetitive cycle Z all radiation sources 38 _{k, i} or preferably only a part of the radiation sources 38 _{k, i} in sections according to a sequence comprising several and / or at least three equidistantly spaced active phases P _ON includes a same first phase length, simultaneously and / or jointly on and off. In a preferred embodiment, the part of the radiation sources 38 _{k, i} in at least four predefinable, transversely to the transport direction to each other approximately, ie by not more than 20% from the average distance deviating, equidistantly spaced groups 38 _k from radiation sources 38 _{k, i} simultaneously and / or jointly on and off.

von Nutzen 57 in Transportrichtung in einer selben Flucht hintereinander umfasst, die sich in zumindest der Lage auf dem jeweiligen Nutzen 57 und/oder in den Abmessungen und/oder gar im Druckmuster nicht unterscheidende Bildelemente 56 tragen.Said preferred embodiment is of particular advantage in connection with a mode of operation and / or design of the printing press, in which by the printing unit 03 applied print image over at least the print image length L44 a plurality, e.g. B. a number N _Y , with ${\text{N}}_{\text{Y}}\in \mathbb{N}\ge \mathrm{3,}$

useful 57 in the transport direction in a same flight after another, which is at least in the situation on the respective benefit 57 and / or in the dimensions and / or even in the print pattern not distinctive picture elements 56 wear.

The n _Y in the transport direction successively arranged picture elements 56 are z. B. in above-mentioned pressure columns 52 includes, in the transverse direction, for example, each number n _{x of} these pixels 56 spaced apart from each other (see eg. 13a ).

In the above, the term "phase length" or "phase position" or in its short form "length" or "position", if not distinguishable recognizes both the size or the position of the phase in question spatially -. B. as a position or angle - and their temporal correspondence as duration or relative time position within the synchronized cycle length L _Z be taken or be. These spatial and temporal dimensions are directly correlated via the velocity profile. In this respect, in the figures 10 to 12 for the abscissa axis example, place, time and angle indicated. The times for the respective phase change and thus the phase length and the phase position are z. B. determined relative to the machine phase position and / or the printing material phase position.

As already stated, the drying device set out above in the printing material path is downstream of at least one first printing location 06 ; 07 arranged so that they are in the activated or active state "ON" with the desiccant 38 or with positioned and / or selected or formed by grouping dryer elements 38 _k directed to the Bedruckstoffweg. In a first particularly advantageous embodiment of the dryer 36 as an intermediate dryer 36 between two pressure points arranged one behind the other in the printing material path 06 ; 07 intended.

In another particularly advantageous embodiment of the printing press is the dryer 14 in Bedruckstoffweg in the area or downstream of a above, the appearance of the ink - z. B. by alignment of particles contained in the ink - influencing conditioning 17 intended. This can, for example, on a transport path in the region of an influencing agent 58 , For example, on the surface of a magnetized or magnetic material and, for example, the substrate 02 transporting body of revolution 58 , z. B. magnetization cylinder 58 to be judged.

In a generalization of previous teaching explained using the example of a securities printing press designed as a rotary screen printing machine, it can, in principle, also be applied to a printing unit operating on the flat screen printing or letter set or a method operating on the flat screen printing or letter set, where this is not obviously contradictory. Here, under the printout of the printing material 02 also other substrates, for example, in addition to planar objects and molded and / or hollow body to be understood. Turning the drying agent on and off 38 or all, selected and / or formed dryer elements 38 _k can also be here depending on the substrate format and / or the printed image information I (F) ; I (L44) ; IN THE) with varying depending on the format or print image phase lengths and / or layers to avoid, for example, in non-printing printing form sections an undesirable color passage.

The arrangement and / or operation of the drier dryer set forth above 14 . 16 ; 36 and associated control device 37 However, it is not on printing machines, especially security printing machines with a working according to the Siebdruck- or og Lettersetverfahren printing unit 03 ; 03 ' limited, but possibly expand on printing machines, in particular security printing machines that operate according to a different from the screen printing process printing method. However, these are preferably printing presses, by the printing unit 03 at least in the transport direction of the printing material 02 considered at a printing length in z. B. a regular distance the print pattern of several singular, ie over in the relevant printing unit 19 ; 19 '; 23 ; 23 ' or printing unit 03 not to be printed areas spaced pixels 56 is applied or can be applied. A printing form 31 ; 32 such a running and / or operated printing unit 03 ; 03 ' carries on its - considered in the transport direction and / or in the circumferential direction - length in z. B. a regular distance, the subjects singular, in the relevant printing unit 19 ; 19 '; 23 ; 23 ' or printing unit 03 to be printed picture elements 56 which are spaced by non-printing areas.

In an alternative embodiment of a printing press, in particular a securities printing machine, which is particularly advantageous for the use of an above-mentioned drying device (eg. 1c ) is the at least one printing unit 19 " a printing unit 03 " as a first in the Bedruckstoffweg arranged, working by the offset printing unit 19 " , in short offset printing unit 19 " , and the second printing unit 23 " also after as working by the offset printing unit 23 " , in short offset printing unit 23 " formed, wherein the drying agent 38 in Bedruckstoffweg between through the first and the second printing unit 19 "; 23 " formed pressure points 06 "; 07 " is arranged. The interacting with the substrate cylinder is in this case designed as a transfer cylinder, which the ink from z. B. designed as a stencil or plate cylinder form cylinder 18 "; 22 " receives. In a particularly advantageous embodiment, the first printing unit 19 " as an indirect printing unit 19 " formed, the transfer cylinder with at least one or preferably two forme cylinders 18 " cooperates, and / or the second printing unit 23 " as an indirect printing unit 23 " is formed, the transfer cylinder with several in particular at least four forme cylinders 22 " works together. The second pressure point 07 ' is hereby preferred as a double pressure point 07 " formed, in which both sides of the Bedruckstoffweges such a second printing unit 23 " is provided. These act together in the area of their transfer cylinders, which serve each other as an impression cylinder. The second printing units 23 " form z. As a double printing for simultaneous two-sided multi-color printing. For example, in the first print spot 06 ' applied print pattern can be dried in the above-mentioned manner print image and / or format dependent by the dryer device or at least dried before it in the second print spot 07 ' is printed again.

The security printing machine thus comprises in this embodiment in the printing material at least a first pressure point 06 " at which this pressure point 06 " passing substrate 02 in sections, ie on web sections or in particular on successive printing material sheet 02 , on at least a first of its two sides in a cycle Z with respect to the substrate feed at the pressure point 06 " fixed cycle length L _Z with print images of a certain print image width B44 and one opposite the cycle length L _Z shorter print image length L44 is printable, and a downstream next second pressure point 07 " at which the this pressure point 07 " passing substrate 02 on at least the second of its pages is also printable with print images. The sections are as sections of a web-shaped substrate 02 or here preferably as a printing material sheet 02 given.

In principle, the printing of the first and downstream of the second page can be successively by printing units 19 "; 23 " Any printing process and / or design done. Preferably, the printing material 02 at the first pressure point 06 " However, after an offset and / or printable by a heliographic printing process. At the second pressure point 07 " it is then advantageously on at least the second side, but preferably on both sides, by a printing unit 23 " according to an indirect printing process and / or simultaneously multicolored printable. At the second pressure point 07 " it is, preferably on both sides, printable according to an offset and / or after a heliographic printing process.

The dryer device comprises a dryer 14 ; 16 ; 36 with a one-part or multi-part drying agent described above 38 and is in Bedruckstoffweg between the first and second pressure point 06 "; 07 " and / or in the second pressure point 07 ' downstream printing material arranged. Through this is the dryer 14 ; 16 ; 36 on his transport passable substrate 02 for drying with Radiation acted upon. Preferably, the drying agent 38 of the dryer 14 ; 16 ; 36 in the manner outlined above by at least the maximum width of the substrate B02 _max reaching arrangement of a variety, ie a number of at least 50 over the maximum width of substrate B02 _max and / or a length-related number of at least 50, preferably at least 70 radiation sources 38 _{k, i} , per meter side by side arranged radiation sources 38 _{k, i} , in particular UV LEDs, formed.

The desiccant 38 of the dryer 14 ; 16 ; 36 in terms of activation and deactivation controlling controller 37 In a preferred embodiment, it is in signal connection to a signal representing the machine phase and / or the printing material progress S _K supplying donors 42 and effects per cycle Z switching on and off the or at least part of the drying agent 38 after at least one active and at least one inactive phase P _ON ; P _AB comprehensive sequence correlates to the machine and / or printing material phase position. Per cycle Z there is a switching on and off, in particular exactly on and off, the or at least a part of the radiation source 38 with each cycle Z at least one, preferably exactly one active and one inactive phase P _ON ; P _AB (see eg 12 and 18 ).

The substrate 02 is preferably viewed transversely to the transport direction in one, in particular a single, track applied, the width of which depends on the width of the substrate B02 is selected and / or this width substantially, ie, for example, with a maximum deviation per side edge of at most + 1 / -10 mm, in particular + 0 / - 5 mm corresponds. (see eg 18 ). The width of the track is dependent on the width of the substrate B02 adjustable.

For all described embodiments and design variants for the printing presses, in particular security printing machines, and / or drying devices, the radiation power to be delivered in the activated state is Φ the radiation sources connected according to the sequence 38 _{k, i} or groups 38 _k depending on a machine or substrate feed speed V , short speed V , representing variable variable. There is a corresponding connection for this Φ (V) between a measure of the machine or substrate feed speed V and a measure of the radiant power, e.g. B. tabular or in the manner of a continuous or section-wise defined function, kept and this one by the context Φ (V) defined dependence implementing algorithm provided. Preferably, the power increases stepwise or steadily with the machine or substrate feed speed V to. The dependence between performance and machine or substrate feed speed V can in principle be firmly stored in the tax system. The current speed V relevant information I (V) can the controller 38 from z. As the machine control or by a measure of the speed V supplying donor ago, supplied.

However, the course of dependence is preferably via a user interface 55 variable (see eg 19 ). The manual influence can in principle in different ways via one or more of the user interface 55 included controls 61 ; 62 ; 63 be realized. For example, an influence on keys 61 . 62 . 63 a z. B. provided on the control panel keypad 55 and possibly a display field 64 respectively.

As "operating elements" are here and below - unless explicitly stated otherwise - any type of suitable for the action of the operating personnel elements, eg. As buttons, buttons, switches, input fields, control means for screen cursor or mouse pointer and possibly other suitable for interaction with the system to be controlled and / or to be configured elements to understand.

In a preferred embodiment here is the user interface 55 as a touch-sensitive screen 55 , for example as a so-called touch screen 55 or a so-called touch panel 55 , executed with the necessary control or comprises at least one such touch-sensitive screen 55 , The or at least a part of the said and the parameterization of the above-related context controls 61 ; 62 ; 63 are z. B. as touch-sensitive fields 61 ; 62 ; 63 a dedicated user interface 66 , z. B. an input mask 66 or screen mask 66 , with the Stellaufgabe related programming, so here to influence the course of the correlation between a measure of the radiation power and a measure of the machine or substrate feed speed V , executed. In the present case, the dependency is by assigning values for the radiant power level of spaced apart support points for the machine or substrate advance speed V relevant measure given. The interpolation point to be changed is, for example, via a field assigned to this interpolation point 63 activatable and in their value via plus and minus buttons performing fields 61 ; 63 variable. Basically, however, instead of setting the values could be a touch-sensitive Number block be provided. About a z. B. also in the screen mask 66 displayed display field 64 For example, the current course of the correlation can be visualized.

The by the control device 37 this dependency is made available to it, for example, via an existing or further signal connection and from this due to the also available machine or substrate feed speed V relevant data in the control of the dryer 14 . 16 ; 36 implemented.

As already explained above in different places, the configuration of the drying device can be with regard to the positioning and / or selection of dryer elements 38 _k or groups 38 _k of radiation sources to be activated 38 _{k, i} and / or in terms of the cycle Z or the sequence underlying the phase curve in a first advantageous embodiment on the basis of data provided manually via an operator interface, in an alternative advantageous embodiment using application data or data already existing in the product planning or the printing press to characterize the printing or printing intermediate product.

In the first embodiment of a device for configuring the dryer device for a specific production is a signaling technology with the control device 37 connected user interface 55 provided on which by the operator can make a configuration in the transverse direction. In particular, at this operating interface 55 a number and / or lateral position and / or width of dryer elements spaced apart from one another and to be activated transversely to the transport direction 38 _k or groups 38 _k and / or to be acted upon by the dryer elements 38 _k or groups 38 _k provided tracks t _i and / or on the substrate 02 can be defined side by side in the relevant production to be printed and / or changed. This includes the user interface 55 signaling with the control device 37 connected, in particular operatively connected controls 71 ; 72 ; 73 ; 74 ; 76 ; 77 ; 78 , on their operation, information on parameters such as in particular number and / or lateral position and / or width of the required groups 38 _k and / or the required tracks t _i and / or the side by side on the substrate 02 intended benefit 57 manually defined and / or changed. This information should also be understood to mean information that is to be further processed or processed in accordance with the corresponding specific parameters.

It can be used as controls 67 Keys 67 be designed as an alphanumeric keypad control panel, via which information on the number and / or lateral position and / or width of the groups 38 _k and / or the tracks t _i and / or the side by side on the substrate 02 intended benefit 57 input and z. B. are to confirm. Instead or in addition to this, effective controls can be provided as a plus and minus button and / or as a left or right button 68 ; 69 be provided by the actuation of a value or a position of a permanently assigned or previously selectable parameter, such as the number and / or location of a group 38 _k and / or a track t _i and / or number of uses and / or a width of a group 38 _k and / or a track t _i and / or a benefit 57 and / or the substrate 02 is changeable. Finally, instead of or in addition to one or more of the abovementioned embodiments, operating elements may be provided which are designed as selection means and whose actuation provides information on the number and / or lateral position and / or width of the groups 38 _k and / or the tracks t _i from predefined and z. B. listed values are selectable.

For the above-mentioned variants for configuration in the transverse direction, the selection and / or the setting of a parameter to be changed or set can serve operating elements 71 ; 72 ; 73 ; 74 ; 76 ; 77 ; 78 be provided by the actuation of the example above og controls 67 ; 68 ; 69 to be set parameter is selectable. About such controls 71 ; 72 ; 73 ; 74 ; 76 ; 77 ; 78 are, for example, the number of contiguous groups 38 _k or traces t _i or benefits 57 and / or the lateral position of a group 38 _k or a track t _i or a benefit 57 and / or the substrate 02 and / or the width of a group 38 _k or a track t _i or a benefit 57 and / or the lateral relative position of a group 38 _k or a track t _i relative to a benefit 57 and / or the width of the printing substrate 02 relevant parameters selectable and / or adjustable, for example. It can be in the case of the lateral position of a group to be activated 38 _k or a track t _i the indication in principle on the position of the printing material 02 refer, however, preferably via appropriate controls 77 ; 78 relative to the location of a benefit 57 or a multiple benefits 57 consecutive column.

In a preferred development of the first embodiment of the device for configuring the drying device for the specific production can be at the said or another signal technology with the control device 37 connected user interface 55 by the operator a configuration of the Drying device, in particular their performance, in the longitudinal direction, ie in relation to the printing material transport direction, made. In particular, at this operating interface 55 the sequence of application configurable or the number and / or phase length and / or phase position of active phases P _ON in the cycle Z and / or the succession on the substrate 02 intended benefit 57 definable and / or changeable. For this purpose, the operating interface comprises signaling technology with the control device 37 connected controls 81 ; 82 ; 83 , on the operation of which information about parameters such as in particular a number and / or location and / or length of the active phase P _ON or phases P _ON in a cycle Z and / or the succession on the substrate 02 intended benefit 57 manually defined and / or changed. This information should also be understood to mean information that is to be processed or processed in the following to the corresponding concrete parameters.

It can be more than buttons running controls 67 the or another, designed as an alphanumeric keypad control panel be provided, via which information on the number and / or location and / or length of the active phases P _ON and / or the succession on the substrate 02 intended benefit 57 can be entered. Instead or in addition to above or other as plus and minus buttons and / or as left or right buttons effective controls 68 ; 69 be provided by the actuation of a value or a position of a permanently assigned or previously selectable parameter, ie the number and / or position and / or length of the active phases P _ON and / or the succession on the substrate 02 intended benefit 57 is changeable. Finally, instead of or in addition to one or more of the abovementioned embodiment variants, operating elements which are designed as selection means and which, via their actuation, provide information on the number and / or lateral position and / or width of the active phases, may be provided P _ON and / or the succession on the substrate 02 intended benefit 57 from predefined and z. B. listed values are selectable.

For above-mentioned embodiments for configuration in the longitudinal direction of the selection and / or adjusting serving controls 81 ; 82 ; 83 be provided by the actuation of which, for example, above og controls currently to be set parameter is selectable. About such controls 81 ; 82 ; 83 is the number of scheduled active phases P _ON or one behind the other on the printing material section or sheet 02 intended benefit 57 and / or the location and / or length of at least one active phase P _ON or at least one benefit 57 on the printing material section 02 , in particular printing material sheet 02 , is selectable and / or, for example, adjustable. This can be for the number and location of several consecutive on the printing material or printing material 02 provided active phases P _ON the indication in principle on the position of the printing material 02 Respectively. The information about the position of the active phases preferably takes place P _ON however - z. B. via controls not shown here - relative to the location of a benefit 57 or a multiple benefits 57 juxtaposed line of utility 57 ,

The configuration, in particular parameterization, of the drying device in the transverse direction and / or printing material transport direction relevant controls 71 ; 72 ; 73 ; 74 ; 76 ; 77 ; 78 ; 81 ; 82 ; 83 the common or respective user interface 55 can basically as keys of a z. B. provided on the control panel keypad 55 be. In a preferred embodiment here is the user interface 55 however, as a touch-sensitive screen 55 , for example as a so-called touch screen 55 or a so-called touch panel 55 , executed with the required control. The or at least a part of said and the parameterization of the dryer device in the transverse direction of relevant controls 71 ; 72 ; 73 ; 74 ; 76 ; 77 ; 78 ; 81 ; 82 ; 83 are z. B. as touch-sensitive fields 71 ; 72 ; 73 ; 74 ; 76 ; 77 ; 78 ; 81 ; 82 ; 83 with the respective Stellaufgabe related programming, here z. B. for defining and / or changing the number and / or lateral position and / or width of the groups 38 _k and / or the required tracks t _i and / or the side by side on the substrate 02 intended benefit 57 information or number and / or location and / or length of the active phases P _ON and / or the succession on the substrate 02 intended benefit 57 , executed. It may be for the controls 71 ; 72 ; 73 ; 74 ; 76 ; 77 ; 78 ; 81 ; 82 ; 83 also a mixed version with both hardware- and software-trained controls 71 ; 72 ; 73 ; 74 ; 76 ; 77 ; 78 ; 81 ; 82 ; 83 be provided.

The operating elements designed as touch-sensitive fields 71 ; 72 ; 73 ; 74 ; 76 ; 77 ; 78 ; 81 ; 82 ; 83 can basically be used as fields of the same user interface 84 ; 85 , z. B. an input mask 84 ; 85 or screen mask 84 ; 85 , or distributed on multiple user interfaces 84 ; 85 ; 86 , z. Input mask, 84; 85; 86 or screens 84 ; 85 ; 86 , z. B. thematically summarized by their affiliation to contentwise related Stellaufgaben.

For example, one or more controls 72 ; 73 ; 81 , the information required for the configuration of the dryer equipment, for example information on printing substrate dimensions and / or the Bedruckstofflage, relate and z. B. also in the configuration of the dryer different actuating or control tasks or processes are incorporated or incorporated, in one or more other input or screen masks 86 be provided (see, for example, 21 ). These flow - for example, in this or other context for the relevant production in the relevant input or screen mask 86 - details when configuring the dryer unit.

The controls 71 ; 72 ; 73 ; 74 ; 76 ; 77 ; 78 ; 81 ; 82 ; 83 For configuration or parameterization of the drying device in the transverse and / or longitudinal direction are - regardless of their hardware or software version - signaling medium or directly with the - the dryer in spaced groups 38 _k and / or the or these groups 38 _k per cycle Z at least once on and off - control device 37 , in particular with the above-mentioned control means 48 , actively connected. Either the information on the relevant parameters - z. B. information on number and / or lateral position and / or width of the groups 38 _k and / or the tracks t _i and / or the benefits provided side by side 57 or information on the number and / or location and / or length of the active phases P _ON and / or the succession on the substrate 02 intended benefit 57 - As in the above sense production related data P via the signal connection of the control device 37 or the control means 48 directly fed and processed there, or it will be the controller 37 - such. B. schematically illustrated - the configuration in the transverse and / or longitudinal direction information concerned I (P) fed, which previously z. B. were obtained by computer-aided preparation of the production-related data P formed here from the information on the parameters.

In a first example of the configuration of the dryer device using a user interface 55 (see eg 20 ) can be a lateral positioning of - especially in the width fixed - dryer elements 38 _k or groups 38 _k which z. B. in the manner of dryer heads according to the first embodiment of the multi-part drying agent 38 executed or according to the second embodiment as groups 38 _k are defined, directly via appropriately configured controls 67 ; 68 ; 69 ; 71 respectively. For example, a group to be positioned 38 _k about one of these groups 38 _k associated operating element 71 selected and operated as left- or right-click operator controls 68 and / or over as keys of a trained as an alphanumeric keypad controls 67 be positioned laterally and / or positioned. In addition, dryer elements not required for operation can be used 38 _k by selection and subsequent deactivation via z. B. a correspondingly configured control 79 deactivated or in the opposite way the required dryer elements 38 _k by correspondingly reverse device of the control 79 be activated. In the embodiment as at least partially touch-sensitive user interface 55 For example, the aforementioned controls required for positioning may be from a same input or screen mask 84 includes his.

The configuration of the dryer device in the transport direction can in a simple variant on the substrate length L02 or a parameter correlated with this parameter. As a result, the determination is made on a cycle Z related length of the sequence encompassed and the substrate length L02 corresponding active phase P _ON , It is a z. For example, the parameter "stock length" L02 representative operating element 81 dialable and its size z. B. over as a plus or minus button effective controls 69 and / or over as keys of a trained as an alphanumeric keypad controls 67 adjustable or variable.

The information on the substrate length L02 The controls concerned may be from the same or a different input or screen mask 84 ; 86 includes his. Between different input or screen masks 84 ; 86 is for example about z. B. as a button effective controls 87 switchable back and forth.

A configuration of the dryer device takes place here, for example, by drying elements 38 _k or groups 38 _k viewed transversely to the transport direction via manually operated controls 67 ; 68 ; 69 ; 71 be positioned. Possibly. can come from a larger number of controls 67 ; 68 ; 69 ; 71 the dryer elements to be activated for production 38 _k or groups 38 _k be determined. This can be positive by selecting the to be activated or negative by selecting the inactive dryer element 38 _k respectively. The positioning of a dryer element 38 _k or a group 38 _k takes place z. B. by selecting the to be set dryer element 38 _k and the subsequent positioning on either the entry of a specific position on keys of an alphanumeric keypad or on the position to one or the other side changing buttons 68 ,

In a second example of the configuration of the dryer device using a user interface 55 (see eg 22 ), forming dryer elements 38 _k or groups 38 _k according to the second embodiment of the drying agent 38 or dryer 14 ; 16 ; 36 , This configuration in the transverse direction can in a first variant basically also directly via correspondingly configured controls 67 ; 68 ; 69 ; 71 for all dryer elements 38 _k or groups 38 _k take place, for example, as in the first example, but in addition to the lateral position dryer elements 38 _k or groups 38 _k z. B. on more, in 20 not shown controls whose width is fixed. It will be then according to the requirements for position and broad groups 38 _k juxtaposed radiation sources 38 _{k, i} formed, which z. B. in the above manner in operation simultaneously and / or jointly switched on and off. The formation of the groups 38 _k could in the case of a touch-sensitive operating interface 55 alternatively by activation of individual radiation sources 38 _{k, i} or radiation segments from the entirety of the radiation sources displayed side by side in a screen mask 38 _{k, i} or radiation segments. This can be z. B. at less high resolution, ie at a lower total in the transverse direction number and / or each greater width of radiation sources 38 _{k, i} or radiation segments be applicable.

In particular, in the case of greater resolution and / or reduced Stelleauf expenditure, however, a variant of advantage, in which the lateral position and width of a group 38 _k or track t _i or possibly even more groups 38 _k or traces t _i related to only one benefit 57 is defined and based on this on a benefit definition using the number and location of the side by side on the substrate 02 arranged benefits 57 information about the location and width of any required group 38 _k or traces t _i is determined. Here, the number and location of the side by side on the substrate 02 arranged benefits 57 information in a variety of ways. For example, this information about number N _x and width B57 the on the substrate 02 side-by-side benefits 57 or the width B02 of the N _x Use 57 side by side receiving substrate 02 serve. For the indication z. B. appropriately configured controls 74 ; 76 ; 72 be provided. If the substrate to be applied 02 and / or the total print image is not symmetrical to the transverse extent of the dryer 38 and / or to the machine center M In addition, an indication of the corresponding lateral offset Δ _M over z. B. another control 73 be provided.

The one for a benefit 57 related definition of the width and position of a group to be activated 38 _k or track ti can be via a specific activation of individual radiation sources 38 _{k, i} or radiation segments. This may be in the case of a touch-sensitive screen 55 a direct selection of an image of a benefit 57 Radiation sources shown in the transverse direction to scale 38 _{k, i} or radiation segments. The dialing can be in the case of a touch-sensitive screen 55 done by touch. Alternatively, however, it may also be provided that the definition of the benefit 57 related group 38 _k or track t _i by defining the two ends, ie the group 38 _k or track t _i Both sides concluding radiation sources 38 _{k, i} or radiation segments. In a first variant, this can again be achieved by touching the relevant boundary radiation sources 38 _{k, i} or radiation segments. In another variant, radiation sources 38 _{k, i} or radiation segments - z. B. as a boundary radiation sources e ₁ ; e ₂ or boundary radiation segments - via appropriately configured controls 77 ; 78 ; 67 ; 68 , For example, by selecting the control element concerned with the parameter to be defined 77 ; 78 , z. B. the right edge or the left edge of the group to be formed 38 _k or track t _i relevant control element 77 ; 78 , and its definition about either entering a specific position z. B. buttons on an alphanumeric keypad or on the position to one or the other side changing buttons 68 ,

In the second example for the configuration of the drying device, the configuration of the drying device in the transport direction in a simple variant over only the printing material length L02 or a size correlated with this. For this purpose, a z. For example, the parameter "stock length" L02 representative operating element 81 dialable and its size z. B. over as a plus or minus button effective controls 69 and / or over as keys of a trained as an alphanumeric keypad controls 67 adjustable or variable. As above, the information on the substrate length L02 relevant controls from the same or a different input or screen mask 85 ; 86 includes his.

In a development, it can be provided that the configuration of the dryer device in the transport direction, the definition of several active phases P _ON per cycle Z , in particular per substrate length L02 , allowed. For example, the drying device can be configured in the longitudinal direction in such a way that it can be printed on a substrate length L02 successively arranged benefits 57 at least one active phase P _ON is provided.

This configuration in the longitudinal direction can in a first variant basically directly via appropriately set controls 67 ; 68 ; 69 ; 71 for all active phases P _ON of the cycle Z take place, wherein for each of the phases P _ON whose position in the transport direction and the width thereof via appropriate controls should be specifically definable. The definition of the formation of phases P _ON could in the case of a touch-sensitive operating interface 55 alternatively by selecting or defining individual longitudinal sections from a total length of a printing material sheet shown in a screen mask 02 respectively.

However, in particular for a reduced positioning effort, a variant is advantageous in which the position in the transport or longitudinal direction and the width of a phase P _ON or possibly even several phases P _ON related to only one benefit 57 is defined and based on this to a benefit 57 related definition using the number and location of the consecutive on the substrate 02 arranged benefits 57 information about the location and length of all active phases P _ON is determined. In this case, the number and location of the succession on the substrate 02 arranged benefits 57 information in a variety of ways. For example, this information about number N _Y and length L57 the on the substrate 02 to be arranged one behind the other 57 or the length L02 of the N _Y benefits 57 consecutively receiving printing material 02 serve. For the indication z. B. appropriately configured controls 74 ; 76 ; 72 be provided. If the substrate to be applied 02 and / or the total print image is not symmetrical to the transverse extent of the drying agent 38 and / or to the machine center M In addition, an indication of the corresponding lateral offset Δ _M over z. B. another control 73 be provided.

The one for a benefit 57 related definition of the length and position of a phase P _ON can basically have a concrete indication of each phase P _ON respectively. This may be in the case of a touch-sensitive screen 55 a direct selection of sections of an image of a benefit 57 be longitudinally scaled tape. The definition may be in the case of a touch-sensitive screen 55 done by touch. Alternatively, however, it may also be provided that the definition of the benefit 57 related phase P _ON by defining the two ends of the active phase P _ON he follows. This can be done in a first variant again by touching corresponding locations on the above-mentioned band. In another variant, the limits of the active phase P _ON via appropriately set controls, for example by selecting a not specifically shown here, the parameter to be defined control element, eg. B. that the front or the rear end of the active phase to be defined P _ON relevant control element, and its definition via either the input of a specific relative position z. B. buttons on an alphanumeric keypad or on the position to one or the other side changing buttons 68 ,

As far as the configuration in the transverse direction is concerned, so can each benefit 57 one or more groups 38 _k be imageable. For example, are each benefit 57 two or even more spaced pixels 56 or image element groups to dry, the distance justifies, for example, a differentiation, so can for drying the two or more pixels 56 or picture element groups each use two or even more groups 38 _k be definable (see eg 23a ). Are two picture elements 56 However, or picture element groups close to each other, so can only one group to dry them 38 _k be defined or be. In the event that in the area of both lateral ends of the benefits 57 pixels 56 or groups of images are to be dried, so can the groups 38 _k adjacent ends to continuous groups 38 _k result (see, for example, 23b ).

In a third example of the configuration of the drying device, which z. B. represents a variant of the second example, which is set forth for the second example with the proviso apply that there provided number of dryer elements to be formed 38 _k or groups 38 _k here is constant and only one group to be formed 38 _k or track t ₁ with variable width and the width of the group 38 _k or track t ₁ not on a number of uses and the width of a utility, but on the width B02 of the substrate 02 is moored. In one to the screen mask 85 comparable user interface 88 or screen mask 88 (see eg 25 ), the dryer element is formed 38 _k or the group 38 _k Preferably takes place directly via appropriately configured controls 67 ; 68 ; 69 ; 71 , wherein in addition to the width of the dryer element 38 _k or the group 38 _k preferably also whose or its lateral position can be fixed. In this case, then according to the specifications for position and width, a group 38 _k juxtaposed radiation sources 38 _{k, i} formed, which z. B. in the above manner in operation simultaneously and / or jointly switched on and off. The formation of the group 38 _k could in the case of a touch-sensitive operating interface 55 alternatively by activation of individual radiation sources 38 _{k, i} or radiation segments from the totality of side by side in a screen mask illustrated radiation sources 38 _{k, i} or radiation segments or by definition of the boundary elements in the manner explained above with reference to a single group. If the substrate to be applied 02 and / or the total print image is not symmetrical to the transverse extent of the dryer 38 and / or to the machine center M In addition, an indication of the corresponding lateral offset Δ _M over z. B. another control 73 be provided.

In the third example for the configuration of the drying device, the configuration of the drying device in the transport direction according to the first variant from the second example can be configured and over only the printing material length L02 or a size correlated with this. For this purpose, a z. For example, the parameter "stock length" L02 representative operating element 81 dialable and its size z. B. over as a plus or minus button effective controls 69 and / or over as keys of a trained as an alphanumeric keypad controls 67 adjustable or variable. As above, the information on the substrate length 02 relevant controls 72 ; 81 ; 73 from the same or another input or screen mask 85 ; 86 ; 88 includes his.

The variant embodiments for the configuration of the dryer device of the first and the second example of the first embodiment are preferably particularly advantageous in connection with a printing machine, in particular security printing machine, or a printing unit 19 ; 23 ; 19 '; 23 ' , the or -. B. in the manner outlined above - an imaging cylinder 18 ; 22 ; 18 '; 22 'with a plurality of imaging elements 25 ; 25 ' or groups of imaging elements 25 ; 25 ' on the perimeter, which is on one of the printed image length L44 corresponding circumferential length in a plurality of columns spaced equidistantly from one another transversely to the transport direction and arranged on a cylinder width corresponding to the printing image width in a plurality of rows equidistant from one another in the transport direction.

By contrast, the variants for configuring the drying device of the third example of the first embodiment are preferably particularly advantageous in connection with a printing press, in particular a securities printing machine, or a printing unit 19 "; 23 " , the or -. B. in the manner outlined above - a substrate z. B. surface successively printed on a first and subsequently at least the second side.

In a second embodiment of a device for configuring the drying device, the printing press has, in addition to the at least one printing unit 19 ; 23 ; 19 '; 23 ' , at the pressure point 06 ; 07 ; 06 '; 07 ' the pressure point 06 ; 07 Passing sections of the substrate 02 , in particular printing material sheet 02 in a cycle Z with respect to the substrate feed at the pressure point 06 ; 07 ; 06 '; 07 ' fixed cycle length L _Z each section with a printed image of a printed image length L44 are printable, and the dryer device with one of the pressure point 06 ; 07 ; 06 '; 07 ' downstream in the printing material and a one- or multi-part desiccant 38 comprehensive dryer 14 ; 16 ; 36 through which the dryer 14 ; 16 ; 36 passing substrate 02 for its drying in at least one in the transport direction of the printing substrate 02 extending track t ₁ ; t _i is acted upon by radiation, and one of the operation of the dryer 14 ; 16 ; 36 controlling control device 37 additionally in the printing material a signal with the control device 37 connected facility 89 for image acquisition and / or evaluation, by which the control device 37 Data P to a position and / or dimension of upstream on the substrate 02 applied picture elements 56 or picture element groups can be provided. In this context, the provision of the data P is also intended to include the provision of information P comprising such data and / or relevant and possibly already processed thereof I (P) be understood.

In this case, the control device comprises 37 preferably computational and / or data processing means 48 adapted to use the provided data P, the dryer device with respect to a lateral position and / or width of at least one of the dryer 14 ; 16 ; 36 to be acted upon track t ₁ ; t _i to configure.

This is the drying agent 38 of the dryer 14 ; 16 ; 36 preferably in the above manner with a plurality of radiation sources 38 _{k, i} , in particular UV LEDs, wherein a respective group 38k is variable from a plurality of the beam or radiation sources 38 _{k, i} is picturable.

This embodiment is particularly advantageous for configuration in conjunction with a printing unit comprised by the printing press 19 ; 23 ; 19 '; 23 ' , whose imaging cylinder 18 ; 22 ; 18 '; 22 'z. B. in the above manner, a plurality of imaging printing elements 25 ; 25 ' or groups of imaging elements 25 ; 25 ' on the periphery, which on one of the print image length L44 corresponding circumferential length in a plurality of transverse to the transport direction equidistantly spaced columns and on a the print image width corresponding cylinder width are arranged in a plurality of equidistantly spaced rows in the transport direction.

When configuring the dryer device in z. B. a printing machine set out above, in particular securities printing machine, which at least one printing unit 19 ; 23 ; 19 '; 23 ' has, at the pressure point 06 ; 07 ; 06 '; 07 ' the pressure point 06 ; 07 Passing sections of a substrate 02 , in particular printing material sheet 02 in a cycle Z with respect to the substrate feed at the pressure point 06 ; 07 ; 06 '; 07 ' fixed cycle length L _Z each section with a, in particular exactly one or more parts, printed image of a print image length L44 is printed, and wherein a dryer means one of the pressure point 06 ; 07 ; 06 '; 07 ' downstream in the printing material and a one- or multi-part desiccant 38 comprehensive dryer 14 ; 16 ; 36 through which the dryer 14 ; 16 ; 36 passing substrate 02 for its drying in at least one in the transport direction of the printing substrate 02 extending track t ₁ ; t _i is exposed to radiation, as well as the operation of the dryer 14 ; 16 ; 36 controlling control device 37 is provided for the current or pending production, a configuration of the drying device with respect to a lateral position and / or width of the at least one through the dryer 14 ; 16 ; 36 to be acted upon track t ₁ ; t _i by, among other things, using a device 89 The data P underlying or originating from the image acquisition and / or evaluation is adjusted and / or changed.

In the first variant for the origin of the data P can be provided that the device 89 For image acquisition and / or evaluation already information on the expected print pattern of the freshly printed places, eg. B. upstream applied pixels 57 or picture element groups, and the collection and evaluation concentrates on these points. This information may then be P as or contain information P or information treated as information I (P) also the control device 37 to provide.

In the second variant, such data P are on the position and / or size of the upstream with picture elements 57 or pixel groups (here, for example, applied security features) e.g. B. only by device 89 obtained for image acquisition and / or evaluation, z. B. the printed image by an image capture device 91 , z. B. camera 91 , detected and accordingly by an evaluation 92 , z. A camera software included in the camera or separate DV means, to corresponding data P or information representing position and / or size I (P) processed.

Regardless of the origin of the data P or information I (P) is used in the configuration using the data P or information I (P) preferably the position and / or width of the drying in the at least one track t ₁ ; t _i causing dryer element 38 _k defined and / or changed.

In addition, in an advantageous development using the device 89 underlying or derived data P with a view to one cycle Z related position and / or length of at least one compared to the cycle length L _Z shorter active phase P _ON configured.

The configuration of the dryer device is z. B. such that the dryer 14 ; 16 ; 36 passing substrate 02 for drying it in a plurality of spaced tracks t ₁ ; t _i is exposed to radiation. In this case, the lateral configuration of the tracks t _{1 takes place} ; t _i z. B. using data P for location and / or size of the printing unit 19 ; 23 ; 19 '; 23 ' , in particular in regular rows and columns, on the substrate 02 applied or applied picture elements 56 or picture element groups.

The configuration of the dryer device or its operation in the transport direction takes place in a first embodiment z. B. such that the dryer 14 ; 16 ; 36 passing substrate 02 for its drying per cycle Z in just one, versus the cycle Z shorter phase P _ON is exposed to radiation. In this case, the configuration of a position and / or length of the phase takes place P _ON for example, using a substrate length L02 representations.

In a second, z. As an alternative to the first embodiment select ing embodiment for the configuration of the dryer device, this z. B. using the device 89 underlying or derived from this data P such that the dryer 14 ; 16 ; 36 passing substrate 02 for its drying in several by inactive phases P _AB interrupted phases P _ON of the cycle Z is exposed to radiation.

In an advantageous embodiment of the printing press and the dryer device, the data P or information originates I (P) from one the images of an image capture device 91 processing evaluation device 92 , The data P or information I (P) include z. B. Information on the location and / or size of upstream on the substrate 02 applied picture elements 56 or picture element groups.

In particular, it is advantageous if the the device 89 for image acquisition and / or evaluation as an inspection system 89 is executed. This is for example in the printing unit 19 ; 23 ; 19 '; 23 ' downstream print material path and monitors the pressure for predetermined quality characteristics. Such a system is z. B. already performed for the purpose of the inspection and z. B. set up with algorithms to the previously printed pixels 56 in particular to recognize security elements and to direct the evaluation selectively to them. For this purpose, for example, one or more sections of printing material 02 , especially bows 02 , Printed by the machine and by the inspection system 89 to the relevant picture elements 56 evaluated. In this phase, the dryer 14 ; 16 ; 36 or the drying agent 38 for example, over its entire length, but in particular at least the width of the substrate B02 operated continuously. Only after secured data P or information I (P) the position and / or dimensions of the picture elements to be inspected and dried 56 or picture element groups, the operation of the dryer takes place 14 ; 16 ; 36 or the desiccant 38 as configured in tracks t ₁ ; t _i and / or timed.

insbesondere ≥ 3, von Zonen in Querrichtung aufweisen, welche jeweils eine feste oder zumindest vordefinierte Anzahl s, mit $\text{s}\in \mathbb{N}\ge \mathrm{5,}$

insbesondere ≥ 8, von nebeneinander angeordnete Strahlungssegmenten in obigem Sinne (ein- oder mehrreihig) umfassen. Dabei entspricht die Anzahl z der Zonen beispielsweise der Anzahl N_x der in einer Standardproduktion der Druckmaschine zum Druck nebeneinander vorgesehener Nutzen 57, z. B. z = N_x ≥ 3, beispielsweise z = N_x = 7. Die Zonen sind hierbei bzgl. ihrer seitlichen Lage fest oder zumindest vordefiniert.A - in particular to be configured in the above - dryer 14 ; 16 ; 36 the second embodiment may, for. B. software or circuit technology already a fixed or at least predefined number z, with $\text{z}\in \mathbb{N}\ge \text{2}\text{.}$

in particular ≥ 3, of zones in the transverse direction, each having a fixed or at least predefined number s, with $\text{s}\in \mathbb{N}\ge \mathrm{5,}$

in particular ≥ 8, of juxtaposed radiation segments in the above sense (single or multi-row) include. The number z of the zones corresponds, for example, to the number N _x the benefit provided side by side in a standard production of the printing press for printing 57 , z. Eg z = N _x ≥ 3, for example z = N _x = 7. The zones are fixed or at least predefined with regard to their lateral position.

In a first embodiment - with a medium resolution - the zones comprise z. B. in each case at least 5, preferably at least 8, for example 10, segments. For configuration, for example, each radiation segment of the zone can be activated or deactivated, for example directly to the representation of one or more zones (see above) or selectable via the above-mentioned control elements, for. B. the corresponding radiation sources 38 _{k, i} accessible by selection via a control bit in a data word per zone.

In a in a second embodiment - with z. B. an increased resolution - include the zones z. B. in each case at least 50, preferably at least 80, for example 90, segments. The segments of the zone or even of the entire desiccant are numbered continuously, for example. For configuration, for example, the or each segment can be selected by specifying a right and left boundary radiation segment (see above), for example the corresponding radiation sources 38 _{k, i} by a start and an end address in one data word each. B. required - zone addressable.

Both of these embodiments are, for example, clocked in the manner outlined above and / or operated. For this purpose, the segments selected during the configuration are correlated and / or synchronized with the machine and / or printing material phase position switched on or off.

The configuration of the zones takes place in the manner set forth above on a user interface encompassed, for example, by a control station 55 , z. B. by means of one or more appropriately configured screens 84 ; 85 ; 86 ; 88 , in the case of an inspection system provided in the printing press, alternatively from data obtained therefrom, this possibly being provided on a user interface 55 can be corrected.

In addition to this embodiment of the configuration by means of the device 89 relevant data or data P or information I (P) can an above-mentioned control interface 55 be provided, which can be done either by choice or for correction, a manual adjustment and / or a manual correction.

LIST OF REFERENCE NUMBERS

01

Feeding device, sheet feeder

02

Substrate, substrate sheet, substrate section, sheet

03

pressure unit

03 '

pressure unit

03 "

pressure unit

04

product display

05

-

06

Pressure point, Nippstelle

06 '

Pressure point, Nippstelle

06 "

bruise

07

Pressure point, Nippstelle

07 '

bruise

07 "

Pressure point, double pressure point

08

gripper

09

Conveyor line, belt system, conveyor system

10

-

11

Transfer drum

12

transfer drum

13

Conveyor line, belt system

14

Dryer, radiation dryer

15

-

16

Dryer, radiation dryer

17

Conditioning device, device for applying magnetic field lines

18

Rotary body, cylinder, forme cylinder, sieve cylinder, high-pressure cylinder

18 '

Cylinder, forme cylinder, high-pressure cylinder

18 "

form cylinder

19

Printing unit, screen printing unit, numbering unit

19 '

Printing unit, numbering printing unit

19 "

Printing unit, offset printing unit

20

-

21

Rotary body, printing cylinder, Gegendruck- and / or transport cylinder

22

Rotary body, cylinder, forme cylinder, sieve cylinder, high-pressure cylinder

22 "

form cylinder

23

Printing unit, screen printing unit, numbering unit

23 '

Printing unit, numbering printing unit

23 "

Printing unit, offset printing unit

24

Holding device, gripper device

25

Print element, subject

25 '

Printing element, numbering module, Hochdrucksujet, numbering device

26

pit

27

lateral surface

28

Interruption, opening, pit opening

29

Dyeing aid, cover element, flap

30

-

31

Printing form, screen printing form, screen printing stencil

32

Printing form, screen printing template

33

doctor device

34

doctor

35

signal connection

36

Dryer, radiation dryer, intermediate dryer

37

Control device, control circuit, data processing means

38

Desiccant, radiation source

38 _k

Dryer element, radiation source, group

38 _{k, i}

Dryer element desiccant source, beam source, radiation source, UV LEDs, LEDs

39

control device

40

-

41

drive motor

42

Clock, master, master axis, sensors, master axis encoder, encoder

43

-

44

pressure range

45

-

46

pressure strips

47

Planning and / or management level

48

Control means, calculating and / or data processing means, data processing and / or control means

49

dryer control

50

-

51

Control means, data processing and / or control means, control means

52

print column

53

signal connection

54

control means

55

Control interface, keypad, screen, touch screen, touch panel

56

Print image element, picture element

57

Use

58

Medium, rotation body, magnetization cylinder

59

Data Interface

60

61

Control element, field, key

62

Control element, field, key

63

Control element, field, key

64

display

65

-

66

User interface, input mask, screen mask

67

Operating element, pushbutton

68

Operating element, pushbutton

69

operating element

70

-

71

Control element, fields

72

Control element, fields

73

Control element, fields

74

Control element, fields

75

-

76

Control element, fields

77

Control element, fields

78

Control element, fields

79

operating element

80

-

81

Control element, fields

82

Control element, fields

83

Control element, fields

84

User interface, input mask, screen mask

85

User interface, input mask, screen mask

86

User interface, input mask, screen mask

87

operating element

88

User interface, input mask, screen mask

89

Device for image acquisition and / or evaluation, inspection system

90

-

91

Image capture device, camera

92

evaluation

A

effective range

a _j

Effective range, drying range

_bj

Effective range, track width

FROM

Switch-off state, inactive state

AT

On state, active state

P _AB

phase

P _ON

phase

SZ

switching status

SZ _AB

switching status

SZ _AN

switching status

B02

Bedruckstoffbreite

B02 _max

maximum substrate width

B44

Print area width, print image width

B57

width

b38

width

L02

Length, substrate length, arc length

L02.1

Substrate length, format length

L02.2

Substrate length, format length

L44

Print image length, print area length

L57

length

L _D

length

L _N

length

I

information

I (F)

information

I (G (k))

information

I (L44)

information

IN THE)

information

I (P)

information

I (V)

information

E ₀₂

level

e ₁

Border radiation source

e ₂

Border radiation source

F.1

format

F.2

format

G (k)

selection

G (x)

selection

L _Z

cycle length

N _x

number

N _y

number

S _K

Signal, trigger signal

S _T

Signal, timing signal

t

time

t _i

Track (i = {1, 2, ... m}

a _s

distance

U _D

Section, peripheral sections, cylinder circumference sections (usable for pressure)

U _N

Circumferential sections, cylinder circumference sections (not usable for pressure)

M

machine center

V

Machine speed, substrate feed speed, speed

x

transversely

y

longitudinal direction

Z

cycle

Z ₁

cycle

Z ₂

cycle

Δ _M

offset

Φ (V)

context

Φ

radiant power

φ

angle

Claims (13)

Method for configuring a drying device in a securities printing machine, wherein the securities printing machine has at least one printing unit (19; 23; 19 ';23') at the printing location (06; 07; 06 ';07') passing the printing location (06; 07) Sections of a printing material (02) in one cycle (Z) with a fixed cycle length (L _Z ) per section relative to the printing material feed at the printing location (06; 07; 06 ';07') with a printed image (44) of a printed image length (L44 ) and wherein a dryer device has a dryer (14, 16, 36) which is arranged downstream of the printing area (06; 07; 06 ';07') in the printing material path and has a drying agent (38) comprising one or more drying means (38; (14; 16; 36) passing printing material (02) for its drying in at least one in the transport direction of the printing material (02) extending track (t ₁ ; t _i ) is acted upon by radiation, and the operation of the dryer (14; 36) controlling control means (37) is provided, wherein for the current or pending production, a configuration of the drying device with respect to a lateral position and / or width of the at least one through the dryer (14; 16; 36) to be loaded track (t ₁ , t _i ) takes place by adjusting and / or changing this lateral position and / or width using data P originating from a device (89) designed as an inspection system (89), wherein the inspection system (89) selectively recognizes upstream printed image elements (56) or pixel groups and assesses their print quality. Method according to Claim 1 , characterized in that in the configuration using the data P, the position and / or width of a drying element (38 _k ) causing the drying in the at least one track (t ₁ ; t _i ) is defined and / or changed. Method according to Claim 1 or 2 , characterized in that using the data P underlying or derived from the means (89), the dryer means are at least one shorter than the cycle length (L _Z ) in terms of a position and / or length related to one cycle (Z) Phase (P _AN ) is configured. Method according to Claim 1 . 2 or 3 , characterized in that the configuration of the drying device is such that the printing material (02) passing through the dryer (14; 16; 36) is subjected to radiation for drying thereof in a plurality of spaced-apart tracks (t ₁ ; t _i ). Method according to Claim 4 , characterized in that the lateral configuration of the tracks (t ₁ ; t _i ) using data P for location and / or size of the printing unit (19; 23; 19 ';23'), in particular in regular rows and columns , on the substrate (02) applied or applied picture elements (56) or groups of picture elements. Method according to Claim 1 . 2 . 3 . 4 or 5 , characterized in that a configuration for the operation of the dryer device in the transport direction takes place in such a way that the printing material (02) passing through the dryer (14; 16; 36) dries in the at least one track (t ₁ ; t _i ) per cycle (Z) in only one, compared to the cycle (Z) shorter phase (P _AN ) is exposed to radiation. Method according to Claim 6 , characterized in that the configuration of a position and / or length of the phase (P _AN ) by using a printing material length (L02) representing information is carried out. Method according to Claim 1 . 2 . 3 . 4 . 5 . 6 or 7 , characterized in that a configuration of the drying device using the device (89) underlying or derived from this data P such that the dryer (14; 16; 36) passing substrate (02) for drying in several by Inactive phases (P _AB ) interrupted active phases (P _AN ) of the cycle (Z) is exposed to radiation. Method according to Claim 1 . 2 . 3 . 4 . 5 . 6 . 7 or 8th , characterized in that the data P originate from an evaluation device (92) processing the images of an image acquisition device (91) and comprise information on the position and / or size of image elements (56) or image element groups applied to the printing substrate (02) upstream. Method according to Claim 1 , characterized in that obtained by the evaluation device (92) from one or more recorded images in addition data P to position and / or dimension of the picture elements (56) or picture element groups and provided at an output. Printing machine with at least one printing unit (19, 23, 19 ', 23'), at the printing location (06, 07, 06 ', 07') of the printing area (06, 07) passing sections of a printing material (02) in a cycle (Z ) with a relative (on the Bedruckstoffvorschub at the printing position 06 can be printed) fixed cycle length (L _Z) for each section with a print image of a printed image length (L44) and which has an imaging cylinder (06 07;; 06 '07', 06 ';07; 07 ') with a multiplicity of imaging printing elements (25; 25') or groups of imaging printing elements (25; 25 ') on the circumference, which are equidistant from each other on a circumferential length corresponding to the printed image length (L44) in a plurality of transversely to the transport direction Columns and arranged on one of the print image width corresponding cylinder width in a plurality of equidistantly spaced apart in the transport direction lines, and with a dryer device with one of the pressure point (06; 07; 06 ';07') in Bedruckstoffweg na next to and a one- or multi-part drying means (38) comprising dryer (14; 16; 36), through which the dryer (14; 16; 36) passing substrate (02) for its drying in at least one in the transport direction of the printing substrate (02) extending track (t ₁ ; t _i ) can be acted upon with radiation, and with a Operation of the dryer (14; 16; 36) controlling control device (37), characterized in that in the Bedruckstoffweg means (89) for image acquisition and / or evaluation is provided, and that the means (89) via a signal connection with the control device (37) is connected, via which the control device (37) data (P) to a position and / or dimension of upstream on the substrate (02) applied pixels (56) or picture element groups are provided. Printing press after Claim 11 characterized in that the control means (37) comprises data processing means arranged to use the provided data P to dispose the dryer means in view of a lateral position and / or width of at least one track (14; 16; 36) to be loaded by the dryer (14; t ₁ ; t _i ). Printing press after Claim 12 , characterized in that a drying means (38) of the dryer (14; 16; 36) by at least over the maximum width of substrate (B02 _max ) reaching arrangement of a plurality, ie a number of at least 50 over the maximum width of the substrate (B02 _max ) and / or a length-related number of at least 50, preferably at least 70, radiation sources (38 _{k, i} ) per meter of radiation sources (38 _{k, i} ) arranged side by side, in particular UV LEDs, and the relevant group (38 _k ) is made up of a plurality of individual variables Beam or radiation sources (38 _{k, i} ) of the desiccant (38) can be formed.

Images