EP2928695B1 - Presse rotative - Google Patents

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Publication number
EP2928695B1
EP2928695B1 EP13805318.6A EP13805318A EP2928695B1 EP 2928695 B1 EP2928695 B1 EP 2928695B1 EP 13805318 A EP13805318 A EP 13805318A EP 2928695 B1 EP2928695 B1 EP 2928695B1
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EP
European Patent Office
Prior art keywords
printing
roller
dryer
web
motor
Prior art date
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Active
Application number
EP13805318.6A
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German (de)
English (en)
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EP2928695A1 (fr
Inventor
Christoph HÄCKER
Frank Huppmann
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Koenig and Bauer AG
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Koenig and Bauer AG
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4078—Printing on textile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
    • B41J11/0022—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using convection means, e.g. by using a fan for blowing or sucking air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/16—Means for tensioning or winding the web
    • B41J15/165—Means for tensioning or winding the web for tensioning continuous copy material by use of redirecting rollers or redirecting nonrevolving guides

Definitions

  • the invention relates to a roller printing machine according to the preamble of claim 1 and a roller printing machine according to the preamble of claim 2.
  • Various printing methods are known which can be used in printing presses.
  • One such printing method is ink jet printing or ink jet printing.
  • individual ink drops are ejected from nozzles of printheads and transferred to a substrate, that results in a print image on the substrate.
  • By individual control of a plurality of nozzles so different print images can be created.
  • personalized printed products can be produced and / or small runs of printed products can be produced at low cost due to the saving of the printing forme.
  • register An exact match of a print image on the front and back of a printed substrate printed on both sides is called register (DIN 16500-2).
  • Multi-color printing is called the Passer (DIN 16500-2), when individual print images of different colors are combined exactly to a picture. Also in the context of inkjet printing, appropriate measures must be taken to maintain register and / or register.
  • the EP 2 202 081 A1 which can be considered the closest prior art, and the JP 2003-063707 A
  • a printing press is known, wherein the printing press has a first printing unit and a dryer, wherein the first printing unit has a central cylinder with its own, the first central cylinder associated drive motor and at least one ink jet print head having.
  • the EP 2 202 081 A1 shows sections of a Transportwega a printing material, which are limited by motor-driven rotating bodies.
  • a sheet-fed printing machine which comprises a first printing unit and a first dryer, wherein the first dryer has a ventilation device which has an air supply line leading to the first dryer and a driven and / or drivable conveying device.
  • a sheet-fed printing machine which has a first printing unit and a first dryer.
  • a sheet-fed printing machine having a first printing unit and a first dryer, the first dryer having a ventilation device, and wherein the ventilation device is an air supply line leading to the first dryer and a driven and / or drivable conveyor and one away from the first dryer having leading air discharge line and wherein the air discharge line is coupled via the conveyor to the air supply line and / or coupled.
  • a Rollenabspulvorraum which has at least one roller holding device and at least one, connected to the at least one roller holding device via at least one torque converter drive motor.
  • a dryer which heats by means of radiation, a central roller from the inside, abuts the outside of a substrate and additionally having a system for flowing through a gap with air.
  • Textile printing materials are to be understood in particular as those materials as compiled in DIN 60000 (January 1969).
  • substrates such as paper or metal
  • textile substrates are relatively unstable in their shape.
  • textile fabrics are often more or less extensible, with an expansion in one direction usually resulting in a compression in another, for example orthogonal, direction. For this reason, not only one position of the printing substrate must be correctly set for a register-appropriate printing on textile substrates, but also a stable form of the printing material must be provided at least during the printing process.
  • a flexo-roll printing machine which comprises two hot air dryers with at least one ventilation device, wherein the at least one ventilation device has at least one leading to a first dryer air supply line and at least one heat exchanger and at least one leading away from the first dryer air discharge line and the at least one air discharge line and the at least one air supply line are coupled to the at least one heat exchanger and / or coupled.
  • a roller printing machine for a flocking of textiles which has at least a first printing unit and at least one dryer. There are arranged a pair of cooling rollers and a roller holding device.
  • the invention has for its object to provide a roll printing machine.
  • a roller printing machine has at least one first printing unit and at least one first dryer, wherein the at least one first printing unit preferably has at least one inkjet print head and wherein a transport path of a printing material web through the roller printing machine has at least a first portion and a second portion, respectively are limited by motor-driven rotational bodies and wherein at least one of the motor-driven rotary body is a first cooling roller and preferably wherein at least one of the motor-driven rotary body at least one Roller holding device, for example, a roller holding device of a Rollenabspulvorraum is and wherein the at least one first dryer has at least one ventilation device and wherein the at least one ventilation device at least one leading to the at least one first dryer Air supply line and at least one heat exchanger and at least one leading away from the at least one first dryer air discharge line and wherein the at least one air discharge line and the at least one air supply line coupled to the at least one heat exchanger and / or can be coupled.
  • a coupling of two components is to be understood as a connection, at least one flow of at least one fluid, for example at least one gas and / or at least one fluid, from an interior of the one component of these two components into an interior of the other component of these two components allowed and / or effected.
  • at least one fluid for example at least one gas and / or at least one fluid
  • the at least one ventilation device additionally has at least one driven and / or drivable conveying device, wherein the at least one air discharge line is preferably coupled and / or coupled to the at least one air supply line via the at least one conveying device.
  • the achievable with the present invention consist in particular that a web tension of the printing material can be controlled very well.
  • the preferably regulated web tension in addition to avoiding web breaks and / or hangers, improves the register and / or register since stretching of the printing web depends directly on forces acting on the printing web.
  • At least one cooling roll and preferably at least one central cylinder and / or at least one cooling roll press and / or at least one roll holding device are used as such rotary bodies.
  • At least one first central pressure cylinder is preferably a motor-driven rotary body serving for supporting a printing material web at least in a first transfer region, in particular a first transfer region for coating agent.
  • the first transfer region is preferably an area which is intended to produce a contact between printing substrate and coating agent, for example a target area of at least one nozzle of at least one print head and / or at least one work area of at least one print head and / or an entire work area of at least one nozzle bar.
  • Another advantage is that energy can be saved by means of a corresponding heat exchanger, in particular because gas emerging from a dryer can deliver its energy to the gas to be fed to the dryer without giving off water and / or solvent and / or other matter to this gas to be supplied , Under a gas is to be understood as a mixture of gases, such as air.
  • a gas is to be understood as a mixture of gases, such as air.
  • energy can be transferred from an interior of the at least one air discharge line to an interior space of the at least one air supply line.
  • At least one heat exchanger energy can be transferred from a gas stream flowing through at least one air discharge line to a gas stream flowing through the at least one air supply line and / or the energy can be transferred without transfer of matter from the at least one air discharge line into the at least one air supply line.
  • This heat energy can be used again.
  • at least one further air supply line is arranged, by means of which, bypassing the at least one air discharge line and / or the at least one heat exchanger, gas can be supplied to the at least one dryer.
  • a ratio of proportions of a gas stream to be supplied can be controlled and / or regulated, wherein, for example, at least one portion receives energy from the exhaust air and at least one other portion does not receive energy from the exhaust air.
  • a temperature of the gas stream to be supplied can be controlled and / or regulated.
  • a flow velocity in the at least one air supply line and / or in the at least one air discharge line is preferably controllable and / or controllable.
  • this can also be reacted to flexible demands on the dryer on the basis of flexibly adjustable print images, as they can occur in particular in connection with printing processes on inkjet printheads.
  • flexibly adjustable print images as they can occur in particular in connection with printing processes on inkjet printheads.
  • a further advantage of an embodiment in which gas discharged from the dryer can be at least partially returned to the dryer is that energy can preferably be saved by a corresponding ventilation device, in particular because heat energy can then be used again.
  • exhaust air treatment for example, exhaust air purification to treat a lower volume of exhaust air.
  • this can also be reacted to flexible demands on the dryer on the basis of flexibly adjustable print images, as they can occur in particular in connection with printing processes on inkjet printheads.
  • a changed proportion of reused or discharged exhaust air to different amounts of printed ink per surface of the substrate can be reacted without operating parameters of the rest of the dryer would have to be changed.
  • the at least one first dryer has at least one ventilation device which has at least one air supply line leading to the at least one first dryer and at least one driven and / or drivable conveying device and at least one air discharge line leading away from the at least one first dryer, and the at least one air discharge line on the at least one conveyor with the at least one air supply line is coupled and / or coupled, can be flexibly reacted to different amounts of ab thoroughlydem solvent and / or water, because by the coupling, for example, an adjustable re-feeding of non-saturated air into a supply air is possible.
  • a further advantage, at least in connection with the at least one heat exchanger and / or the possibility of the partial recycling of the gas flow, is that by using the at least one cooling roller as a motor-driven rotary body, a limitation of sections of the transport path of the printing material web occurs through a component which has an immediate effect takes on properties of the substrate.
  • a printing material web which has been dried and cooled has, for example, different mechanical properties than a wet and / or warmer printing material web. This concerns for example an elasticity of the printing material web.
  • the cooling roller preferably ensures that the printing material is subsequently cooled again to a temperature at which the printing material can be further processed and is not permanently damaged, for example due to excessive drying.
  • the particularly high temperatures it may happen that arise between areas in front of the cooling roller and after the cooling roller particularly high differences in the temperature of the substrate. These high differences in temperature may also be reflected in particularly large differences in mechanical properties of the printing substrate, for example the elasticity of the printing substrate.
  • the force exerted by a rotary body force can be changed.
  • the motor-driven cooling roller represents both the boundary between regions of different temperatures and the boundary between sections of the transport path which can be influenced with different forces.
  • the first section of the transport path of the printing material web extends between a first contact point of the printing material web with a first motor-driven rotary body and a second contact point of the printing material web with a second motor-driven rotary body, and the first motor-driven rotary body enters is first pressure central cylinder and / or the second motor-driven rotary body which is at least one cooling roller.
  • a compact design can be achieved by appropriate arrangement of the at least one central cylinder and / or preferably at least one dryer and / or preferably a Rollenabspulvorraum.
  • a preferred arrangement of corresponding dryer and optionally cooling devices can be provided on short transport routes for drying a substrate and in particular a printing material. Short transport routes avoid difficulties with the register and / or the register and a lot of white waste is kept low. Furthermore, this facilitates a regulation of the web tension.
  • the preferred arrangement of a dryer unit the has at least a first dryer and the at least one first chill roll, the range of action of the energy emitted by the dryer is very accurately set and optimized.
  • a preferred use of at least one radiation dryer improves energy efficiency, in particular in the case of an infrared radiation dryer.
  • This is preferably reinforced by a combination of radiation dryer and flow dryer.
  • at least one ventilation device is arranged on the at least one dryer.
  • Another advantage is that a production of usable print products from the beginning of a printing operation is made possible because the preferred at least one printhead preferably ejects ink at all transport speeds of the printing material and preferably at all accelerations the transport speed of the printing material ejects, in particular negative and / or positive accelerations. This is made possible in particular by the precise regulation of the web tension. This saves time and material because fewer misprints and / or less unprinted substrate is obtained.
  • the regulation of the web tension is preferably advantageously improved in that at least the first section is associated with at least a first measuring device for measuring a web tension of the printing material web in the first section and that at least the second section at least a second measuring device for measuring the web tension of the printing substrate in the second Section is assigned and further preferred that additionally a machine control is arranged, by means of taking into account at least both at least one measurement result of at least a first measuring device and at least one measurement result of the at least one second measuring device, the web tension is regulated and / or regulated at least in the first portion of the transport path of the printing material and / or by taking into account at least both at least one measurement result of the at least one first measuring device and at least one measurement result of the at least one second measuring device, the web tension is regulated and / or regulated at least in the second portion of the transport path of the printing material web.
  • the preferably arranged at least one inkjet printhead is preferably controllable and / or controlled by means of the machine control as a function of at
  • a further advantage is that a particularly precise transport of a printing material web is made possible by the preferred arrangement of at least two web edge aligners and thus a particularly good printing result can be achieved.
  • a further advantage is that a particularly precise positioning of the printing substrate and in particular of the printing material web relative to one or more central cylinders is possible and thereby a printed image can be printed particularly precisely, ie register and / or register can be improved.
  • a printing press 01 has at least one printing material source 100, at least one first printing unit 200, preferably at least one first dryer 301, preferably at least one second printing unit 400 and preferably at least one second dryer 331 and preferably at least one post-processing device 500.
  • the Printing machine 01 is also preferably designed as an inkjet printing machine 01.
  • the printing press 01 is designed as a roll printing machine 01, more preferably as a roll ink jet printing machine 01.
  • the printing press 01 is designed, for example, as a rotary printing press 01, for example as a rotary rotary printing press 01, in particular a rotary rotary inkjet printing machine 01.
  • the printing material source 100 is designed as a roll-off device 100.
  • the printing material source 100 is designed as a sheet feeder. At least one printing substrate 02 is preferably aligned in the printing material source 100, preferably at least with respect to one edge of this printing substrate 02.
  • at least one web-shaped printing material 02 ie a printing material web 02, for example a paper web 02 or a textile web 02 or a film 02, for example a plastic film 02 or a metal foil 02 unwound from a printing material roll 101 and preferably aligned with respect to their edges in an axial direction A.
  • the axial direction A is preferably a direction A, which is parallel to a rotation axis 111 of a printing material roll 101 and / or at least one central cylinder 201; 401 extends.
  • a transport path of the at least one printing substrate 02 and in particular the printing material web 02 preferably follows the at least one printing material source 100 through the at least one first printing unit 200, where the printing substrate 02 and in particular the printing substrate 02 preferably by at least one printing ink at least one side and preferably in combination with the at least one second printing unit 400 is preferably provided on two sides with a printed image.
  • the transport path of the printing substrate 02 and in particular of the printing material web 02 preferably passes through the at least one first dryer 301 in order to dry the applied printing ink.
  • Printing ink is to be understood in the preceding text and generally below as meaning a coating composition, in particular also a lacquer.
  • the At least one first dryer 301 is part of a dryer unit 300.
  • the printing substrate 02 and in particular the printing material web 02 is preferably the at least one post-processing device 500 fed and further processed there.
  • the at least one post-processing device 500 is designed, for example, as at least one folding device 500 and / or as a winding device 500 and / or as a planned delivery 500.
  • the printing substrate 02 which is preferably printed on two sides, is preferably further processed into individual printed products.
  • At least the first dryer 301 and / or after the at least one first dryer 301 is preferably at least the second printing unit 400 and / or after the at least one first printing unit 200 along the transport path of the printing substrate 02 and in particular of the printing substrate 02 by the printing press 01 the at least one second printing unit 400, preferably the at least one second dryer 331 and / or after the at least one second dryer 331, preferably arranges the at least one post-processing device 500.
  • This ensures that, for example, a double-sided printing of the printing substrate 02 and in particular of the printing material web 02 is made possible in high quality.
  • Bescherstoffrollen 101 which are preferably used in the Rollenabspulvorraum 100 used, preferably each have a sleeve on which the web-shaped substrate 02 is wound for use in the roll printing machine 01.
  • the printing material web 02 preferably has a width of 700 mm to 2000 mm, but may also have an arbitrarily smaller or preferably larger width.
  • In the Rollenabspulvorraum 100 is at least one Beyakstoffrolle 101 rotatably arranged.
  • the Rollenabspulvorraum 100 is designed to accommodate a Beyakstoffrolle 101 suitably, thus has only one storage position for a Beyakstoffrolle 101.
  • the Rollenabspulvortechnisch 100 is formed as a roll changer 100 and has storage positions for at least two Betikstofrollollen 101.
  • the reel changer 100 is designed such that it enables a flying reel change, that is to connect a first printing material web 02 of a currently processed printing material roll 101 to a second printing material web 02 of a subsequently processed printing material reel 101, while both the currently processed printing material reel 101, as well as the rotate below to be processed bedroll 101.
  • a working width of the printing machine 01 is a dimension that preferably extends orthogonally to the intended transport path of the printing substrate 02 through the at least one first printing unit 200, more preferably in the axial direction A.
  • the working width of the printing press 01 preferably corresponds to a maximum width, the one Substrate 02 may have to still be processed with the printing press 01, so a maximum processable with the printing press 01 substrate width.
  • the roll-off device 100 preferably has at least one roll holding device 103 per storage position, which is designed, for example, as a clamping device 103 and / or as a clamping device 103.
  • the at least one roll holding device 103 preferably serves to rotatably fasten at least one printing material roll 101.
  • the at least one roll holding device 103 is preferably in contact with the sleeve of the printing material roll 101.
  • a clamping device 103 is a roller holding device 103, in which a torque transferring and / or transferable contact between the clamping device 103 and the Beffystoffrolle 101 comes about that by a relative movement of the clamping device 103 and the Beffystoffrolle 101 to each other in a relation to the Beffystoffrolle 101, axial direction A, a contact between the Beffystoffrolle 101 and the clamping device 103 is produced, which is sufficient for a torque transmission.
  • Such a contact is for example given by the clamping device 103 is pressed sufficiently strong in the axial direction A against the Beyakstoffrolle 101 and in particular the sleeve and / or by the clamping device 103 at least partially in the relative movement in the axial direction A in the sleeve of Beyakstoffrolle 101 cuts and / or by the clamping device 103 is positively connected solely by the movement in the axial direction A relative to the Beyakstoffrolle 101 with the Beyakstoffrolle 101 with respect to movements in the circumferential direction.
  • Such a clamping device 103 may, for example, be in the form of two clamping mandrels 103 or clamping cones 103, of which at least one is displaceable in the axial direction A.
  • a tensioning device 103 is a roller holding device 103, in which a torque-transmitting and / or transferable contact between the tensioning device 103 and the printing substrate 101 is achieved by at least partially inserting the tensioning device 103 into an opening of the printing material roller 101 after an at least partial insertion of the tensioning device 103
  • Clamping device 103 for example, at least one designed as a clamping jaw driver element is moved relative to the rest of the tensioning device 103 and relative to the Beyakstoffrolle 101 in one direction in a radial direction relative to the Beyakstoffrolle 101 direction relative to the Bechriststoffrolle 101 until a frictional and / or positive connection between the tensioning device 103 and the printing material roll 101 is produced.
  • the at least one tensioning device 103 is preferably designed as two tensioning mandrels 103 or tensioning cones 103 or more preferably as a tensioning shaft 103.
  • the tensioning shaft 103 is preferably one of the sleeve of the printing material roll 101
  • the tensioning shaft 103 preferably extends in at least one operating state from a tensioning shaft bearing 122 of the Rollenabspulvortechnisch 100 to another Spannwellenlager 122 der Rollenabspulvoretti 100.
  • the at least one clamping shaft 103 is preferably with a sleeve of a Beyakstoffrolle 101 in Preferably, the tensioning shaft 103 is at least partially, in particular at its axial ends in at least one radial direction with respect to the rotation axis 111 of the tensioning shaft 103 of tension shaft bearings 122 surrounded.
  • the at least one roller holding device 103 preferably has at least one drive motor 104 and is preferably drivable and / or driven by the latter at least one or in each case one drive motor 104 to rotate.
  • the Rollenabspulvorides 100 at least one drive motor 104.
  • the at least one drive motor 104 is preferably designed as at least one electric motor 104 and more preferably as at least one position-controlled electric motor 104.
  • the at least one drive motor 104 is the only controllable component of the Rollenabspulvortechnisch 100, by means of which a targeted acceleration or deceleration of a rotation of the clamping shaft 103 is executable about the rotation axis 111.
  • a drive control of the at least one drive motor 104 is provided. This drive control is preferably designed for different modes of operation.
  • a first mode of operation is to accelerate the printing material roll 101 and to maintain it at a substantially constant rotational speed. This is the case, for example, in a printing operation of the printing press 01.
  • a second mode of operation is to operate the drive motor 104 in a generator mode. In this case, the drive motor 104 is controlled by the drive control in such a way that, with the production of electrical energy, a rotation of the printing material roll 101 is slowed down. Rotation energy is thus converted into electrical energy and fed, for example, into a power grid and / or a storage for electrical energy.
  • a third mode of operation is that a phase position of the drive of the drive motor 104 is changed and thereby in a more or less out of phase driving of the at least one drive motor 104.
  • this is preferably at least one drive motor 104 of the at least one roller holding device 103 via at least one torque transmitter 106, preferably a traction means 106, for example a belt 106 and preferably a toothed belt 106 with the respective clamping mandrel 103 or clamping mandrel 103 connected.
  • the torque transmitter 106 may be formed, for example, as at least one gear 106.
  • a belt 106 or a chain 106 offers weight advantages and usually has a smaller mass and thereby helps to save energy during accelerations.
  • this is preferably at least one drive motor 104 of the tensioning shaft 103 via the at least one torque transmission 106, for example as at least one gear 106 and preferably as at least one traction means 106, for example a chain 106 or a belt 106 and more preferably as at least a toothed belt 106 is formed, torque transmitting and / or transferable with at least one Spannwellenlager 122 connected.
  • the at least one torque transmission 106 for example as at least one gear 106 and preferably as at least one traction means 106, for example a chain 106 or a belt 106 and more preferably as at least a toothed belt 106 is formed, torque transmitting and / or transferable with at least one Spannwellenlager 122 connected.
  • the at least one roller holding device 103 and / or its drive motor 104 or drive motors 104 are preferably connected via at least one support arm 107 to a preferably common axle 108 or at least one common carrier 108 or support frame 108, around the one or more or all of them Memory positions are arranged rotatably and / or pivotally.
  • the at least one printing material roll 101 is at a fixing of the at least one Beyakstoffrolle 101 in the Rollenabspulvorraum 100 and / or removing a residual or residual role of Betikstoffrolle 101 from the Rollenabspulvorraum 100 and / or in a flying role change and / or in a current printing operation adaptable with decreasing roll diameter with respect to a position of its axis of rotation 111 and its lateral surface.
  • the drive motor 104 is preferably connected only to the printing material roll 101 via the corresponding roll holding device 103 and, in particular, is not connected to a cylinder jacket surface of the printing material roll 101 via a belt.
  • the at least one and preferably exactly one storage position preferably has two support arms 107, each of which has a respective prestressing shaft bearing 122 which is preferably designed as a hinged bearing 122.
  • the Rollenabspulvorraum 100 thus preferably has exactly two support arms 107.
  • At least one tensioning shaft bearing 122 is connected to the tensioning shaft 103 in a torque-transmitting and / or transferable manner and / or connectable.
  • At least one tensioning shaft bearing 122 has a closure element, which in the case of a folding bearing 122 is preferably pivotable about a closure axis.
  • the closure axis points Preferably, at least one component, which is aligned orthogonal to the axis of rotation 111 of the clamping shaft 103. This contributes to the fact that upon rotation of the clamping shaft 103 arranged in the folding bearings 122, there is no danger that the folding bearing 122 could open due to this rotation.
  • the closure element By pivoting the closure element, the respective tension shaft bearing 122 is opened and / or closed.
  • the tensioning shaft 103 preferably has at least one driving element 123, preferably designed as a clamping jaw 123, and more preferably at least two driving elements 123, preferably designed as clamping jaws 123.
  • the tensioning shaft 103 further forms a continuous support pin with which the preferably designed as clamping jaws 123 driver elements 123 are preferably movably connected.
  • the preferred trained as clamping jaws 123 driver elements 123 are independent of their number preferably at least in the radial direction with respect to a rotation axis 111 of the clamping shaft 103, which coincides with the axis of rotation 111 of the Beyakstoffrolle 101, changeably connected in position with the clamping shaft 103.
  • all components of the drive elements 123 which are preferably designed as clamping jaws 123, lie within a radius defined by a maximum radial dimension of the support pin.
  • the driver elements 123 which are preferably designed as clamping jaws 123
  • parts of the driver elements 123 which are preferably designed as clamping jaws 123, lie outside this radius.
  • the preferably designed as clamping jaws 123 driver elements 123 are preferably movable by means of a pneumatic system.
  • the pneumatic system works against a spring force of at least one arranged spring, wherein the spring force is preferably designed as clamping jaws 123 driver elements 123 preferably formed in the free operating state urging.
  • the driver elements 123 By means of at least one pneumatic device connected to a pneumatic connection, the driver elements 123, which are preferably designed as clamping jaws 123, are then transferred into the tensioned operating state.
  • the tensioned operating state is permanently secured or transferred by opening the valve in the free operating state.
  • the tensioning shaft 103 is non-rotatable and torque transmitting and / or transferable connected to the sleeve of Beyakstoffrolle 101.
  • the clamping shaft 103 is used together with the Beyakstoffrolle 101 with its two ends in the two Spannwellenlager 122. Subsequently, the two tensioning shaft bearings 122 are each closed, preferably by the closure elements are pivoted to a closed position. Preferably, in each case a backup of the tension shaft bearing 122 is closed, for example by a spring-mounted retaining pin engages in a corresponding recess or by a handwheel is rotated to a corresponding position. After closing the tensioning shaft bearings 122, the tensioning shaft bearings 122 are torque-transmitting and / or transferable connected to the tensioning shaft 103.
  • the insertion of the tensioning shaft 103 into the tensioning shaft bearings 122 preferably takes place in that the tensioning shaft 103 is inserted in one direction with a vertically downward component into the tensioning shaft bearings 122, for example lowered by means of a crane or a lift truck, and / or in that the tensioning shaft bearings 122 are preferably moved together with respective support arms 107 in one direction with a vertically upwardly directed component and thereby absorb the tensioning shaft 103 and more preferably lift the tensioning shaft 103 together with the printing material roller 101.
  • the printing material roll 101 is first moved together with the tensioning shaft 103 into a corresponding receiving position.
  • the tension shaft bearings 122 each have an opening angle in an open state, which is preferably between 40 ° and 80 °. This opening angle is an angle which lies in a plane to which the rotation axis 111 of the tensioning shaft 103 is oriented orthogonally.
  • the tensioning shaft bearings 122 furthermore preferably have a permissible angular position range for opening the tensioning shaft bearings 122, which is preferably between 5 ° and 90 ° and which is more preferably between 40 ° and 80 °.
  • This angular position range is an angle which lies in a plane to which the rotation axis 111 of the tensioning shaft 103 is oriented orthogonally. Only when the respective tension shaft bearing 122 is in a rotational angle position which is within this allowable angular position range, the respective tension shaft bearing 122 can be opened. If the respective tensioning shaft bearing 122 is in a rotational angle position which lies outside this permissible angular position range, then it automatically closes and / or can not be opened.
  • the two tensioning shaft bearings 122 are preferably connected to the at least one common carrier 108 or supporting frame 108 via a respective support arm 107.
  • the two support arms 107 and the at least one common support 108 or support frame 108 are preferably formed as a single component.
  • the two support arms 107 and the at least one common carrier 108 or support frame 108 and thus preferably also the at least two tension shaft bearings 122 are pivotally mounted about a pivot axis 109, in particular relative to a, preferably stationary frame 112 of Rollenabspulvorraum 100.
  • the pivot axis 109 differs from the axis of rotation 111 of the clamping shaft 103, but is preferably arranged parallel to this.
  • the at least one common carrier 108 or support frame 108 mounted on two sides relative to the axial direction A in each case at least one bearing 129.
  • the at least one bearing 129 is preferably designed as a roller bearing 129 and / or sliding bearing 129.
  • At least one pivot drive 124 is arranged to effect pivoting movement of the at least one common support 108 or support frame 108 relative to the frame 112 of the roll-off device 100 and / or arranged to be effective.
  • the two support arms 107 and the at least one common carrier 108 or support frame 108 preferably placed depending on a diameter of Betikstoffrolle 101 manually or automatically in at least one matching pivot position. In manual mode, this is preferably done stepwise and under visual control by an operator.
  • At least one sensor for example an optical and / or acoustic and / or inductive sensor, for example a laser sensor and / or an ultrasonic sensor, which determines a diameter of the printing material roll 101 and passes it on to a machine control, which then transmits the two support arms 107 and the at least one common carrier 108 or support frame 108 brings in a suitable pivot position.
  • the diameter of the printing material roll 101 is determined at least as required from an angular velocity of the printing material roll 101 and a transport speed of the printing material web 02.
  • the Rollenabspulvorraum 100 preferably has exactly one storage position for exactly one Bedruckstoffrolle 101. Therefore, it is not necessary that the at least one common carrier 108 or support frame 108 can perform several turns, as would be necessary, for example, with several successive flying role changes.
  • the at least one common carrier 108 or support frame 108 is pivotable about the pivot axis 109 through an angle which is preferably less than 360 ° and which is more preferably less than 180 ° and which is still more preferably less than 80 °.
  • the angle is preferably at least 20 ° and more preferably at least 45 °.
  • a pivoting range which is preferably designed so that the at least one common carrier 108 or support frame 108 can receive or deposit an empty sleeve on the ground and that a Beyakstoffrolle 101 up to a maximum diameter always in one, a current diameter corresponding rolling position is durable.
  • a swivel range limit 132 is preferably arranged.
  • the swivel range limit 132 has at least one position sensor 133, for example at least one optical and / or acoustic and / or inductive position sensor 133.
  • the swivel range limit 132 has at least one reference component 134, which is more preferably of the at least one Position sensor 133 is detected and / or detectable.
  • the swivel range limit 132 has two position sensors 133, which are preferably designed as inductive position sensors 133, and has the swivel range limit 132, preferably a segment-shaped, reference component 134.
  • the reference component 134 is preferably arranged rigidly relative to the at least one common support 108 or support frame 108, while the at least one position sensor 133 is preferably arranged rigidly relative to the frame 112 of the reel unwinding device 100. This simplifies itself a supply of the at least one position sensor 133, for example, with electrical energy.
  • a rotation angle sensor is arranged, whose signals are sent to a machine control. The machine control then decides on the basis of stored data whether an end of a permissible swivel range has been reached.
  • the pivot drive 124 is designed as at least one electric motor 124 whose rotor is connected to the at least one common carrier 108 or support frame 108, either directly or with the interposition of torque transmitters.
  • the rotor of the at least one electric motor 124 is at least one bevel gear 126 torque transmitting and / or transferable connected to the at least one common carrier 108 or support frame 108.
  • a corresponding transmission gear is provided to bring the requirements of the electric motor 124 and the at least one common carrier 108 or support frame 108 with each other in line.
  • a stator and / or a housing of the pivot drive 124 is rotatably or more preferably via a torque arm 136 supported on the frame 112 of the Rollenabspulvorraum 100 arranged.
  • the torque arm 136 is directly or preferably via at least one torque limiter 137 at least one contact point with the frame 112 of the Rollenabspulvorraum 100 in contact.
  • the torque limiter 137 preferably has at least one torque sensor, which consists for example of a spring assembly and an initiator. Exceeding a maximum permissible torque causes via a corresponding deflection of the torque arm 136, a compression of the spring assembly until the initiator registers a reaching a maximum allowable deflection of the torque arm 136. In response to a corresponding signal of this torque sensor, the pivot drive 124 is then turned off. In this way it is ensured that the preferably manually operated rotary actuator 124 is not damaged by improper operation and / or causes damage. By appropriate design of a torque limiter 137 or arrangement of two torque limiting 137 both possible pivoting directions are hedged.
  • the electric motor 124 preferably has a connection for a hand crank, which is covered with a sensor-monitored cover. When the sensor-monitored cover is open, the electric motor 124 can only be operated manually.
  • At least one position limitation 142 is arranged, which keeps an axial movement of the at least one common carrier 108 or support frame 108 within limits or preferably substantially and more preferably completely prevented.
  • the position limitation 142 preferably has at least one annular groove 143 and at least one stop 144 arranged at least partially in the annular groove 143.
  • the at least one annular groove 143 is arranged rigidly relative to the at least one common carrier 108 or supporting frame 108, and the at least one stop 144 is arranged rigidly relative to the frame 112 of the roll-off device 100.
  • the at least one reference component 134 of the swivel range limitation 132 is rigidly connected to a component of the position limitation 142 or part of the position limitation 142.
  • the pivot drive 124 is designed as at least one hydraulic cylinder 124, which is supported on the frame 112 of the Rollenabspulvorraum 100 on the one hand and on the other at least one common carrier 108 or support frame 108 on the other.
  • the pivot drive 124 is formed as at least one Elektrohubzylinderantrieb 124, which is supported on the frame 112 of the Rollenabspulvortechnisch 100 on the one hand and on the other at least one common carrier 108 or support frame 108.
  • Such einhubzylinderantrieb 124 has at least one electric motor and at least one, with the electric motor torque transmitting and / or transferable connected, preferably designed as a trapezoidal threaded spindle threaded spindle. Furthermore, the threaded spindle is in engagement with a threaded nut, which is connected via a corresponding bearing with the at least one common carrier 108 or support frame 108. The connection of threaded spindle and threaded nut is preferably self-locking and therefore particularly suitable for this application. Also, the second and third embodiment of the pivot drive 124 preferably has at least one torque limiter 137, which may be formed, for example, in the case of Elektrohubzylinderantriebs 124 as a slip clutch and / or at least one end position sensor.
  • the drive motor 104 of the at least one roller holding device 103 is preferred, which preferably causes and / or accelerates and / or decelerates and / or maintains rotation of the printing material roller 101 about its axis of rotation 111 via the at least one torque transmitter 106. on the at least one common carrier 108 or support frame 108 rigidly arranged.
  • at least one stator of this drive motor 104 is rigidly arranged on the at least one common carrier 108 or carrier frame 108.
  • the drive motor 104 is arranged pivotably together with the at least one common carrier 108 or carrier frame 108 about the pivot axis 109. This means that in one, caused for example by the pivot drive 124, pivotal movement of the at least one common carrier 108 or support frame 108 of the drive motor 104 is pivoted with. In this way, a constant relative position of the drive motor 104 is ensured to the Beyakstoffrolle 101 and to its storage position. This leads to constant operating conditions for the drive motor 104 and thus preferably connected torque transmitter 106, in particular belt 106.
  • one, the pivot axis 109 completely containing, extending in the vertical direction plane, the rotation axis 111 of the tensioning shaft 103 and a rotational axis of the drive motor 104 to any time and in any operationally permissible angular position of the at least one common carrier 108 or support frame 108, ie in particular independent of the angular position of the at least one common carrier 108 or support frame 108.
  • This at least one feed device 127 serves to supply the drive motor 104 and / or other components arranged rigidly on the at least one common support 108 or support frame 108 with energy and / or with cooling liquid and / or with compressed air and / or with hydraulic fluid.
  • This feed device 127 is preferably associated with a bearing 129 of the at least one common support 108 or support arm 108.
  • the feed device 127 preferably has at least one passage 128, which is further preferably designed as an opening 128.
  • the pivot axis 109 of the at least one common carrier 108 or common support frame 108 of the Rollenabspulvorraum 100 extends through this opening 128.
  • the opening 128 preferably has a circular cross-section and / or extends at least in sections coaxially with the pivot axis 109 of the at least one common support 108 or support frame 108.
  • the bearing 129 to which the supply device 127 is assigned, preferably has an outer ring, which is provided with the frame 112 of the Rollenabspulvorraum 100 is rotatably connected and preferably has an inner ring which is rotatably connected to the at least one common carrier 108 or support frame 108.
  • the outer ring preferably has an inner diameter which is at least as large as and preferably larger than an outer diameter of the inner ring.
  • the opening 128 preferably extends through the inner ring and through the outer ring.
  • the feeder 127 preferably has a tubular member 131 which lines the aperture 128. This tubular member 131 is preferably formed of a plastic material.
  • the tubular member 131 is formed either as a single component or as a group of components.
  • At least one line is arranged penetrating the opening 128, for example at least one power line and / or at least one fluid line.
  • a first end of the at least one conduit is rigidly connected to a member fixedly disposed relative to the frame 112 of the reel-out apparatus 100, and a second end of the at least one conduit is rigidly connected to a member which is stationary relative to the at least one common carrier 108 or support frame 108 is arranged.
  • the at least one line has at least one non-reversibly divisible component which extends from the first end of the at least one line to the second end of the at least one line and / or has a plurality of non-reversibly divisible components, taken together from the first end of at least one line extend to the second end of the at least one line and are positively connected to each other and / or positively. It means that the at least one line between its first end and its second end is only severable by separation of at least one positive and / or non-positive connection and / or irreversible destruction of components of at least one line.
  • a positive and / or non-positive connection is given for example by a combination of plugs and / or by a screw connection.
  • the at least one line is at least one cable and / or at least one tube which is rigidly connected at its first end to a component which is stationarily arranged relative to the frame 112 of the roll-off device 100 and / or or rigidly connected at its second end to a component which is stationarily arranged relative to the at least one common carrier 108 or support frame 108.
  • a cable may have, for example, a plurality of cable sections connected via plug connections and / or screw connections.
  • a hose may have a plurality of hose sections connected by screw connections and / or plug connections.
  • the tubular member 131 preferably has a plurality of sections.
  • a preferred first portion has a bend at an angle of at least 30 ° and at most 150 °, more preferably at least 70 ° and at most 110 °.
  • the first section defines the at least one line around a bend before passing the bearing 129. As a result, mechanical wear of the at least one line is reduced.
  • the first section preferably has an inlet opening, through which the at least one line is fed to the tubular component 131.
  • the first section is arranged on a side facing away from the common carrier 108 or support frame 108 side of the frame 112.
  • a second section further preferably follows the first section.
  • the second section preferably extends parallel and preferably extends coaxially to the pivot axis 109 of the at least one common carrier or support frame 108.
  • the second section preferably extends through the bearing 129.
  • the second section preferably extends from one, the common carrier 108 or Carrying frame 108 towanden side of the frame 112 into a disposed within the frame 112 of the Rollenabspulvorraum 100 area.
  • a third section preferably follows the second section.
  • the third section has at least one bend and preferably two bends at an angle of preferably at least 10 ° and at most 100 ° and more preferably at least 20 ° and at most 60 °.
  • the at least one line is guided away from the pivot axis 109 and to the drive motor 104 of the at least one roller holding device 103 or another component arranged rigidly relative to the at least one common carrier 108 and / or support frame 108.
  • a defined position of the at least one line relative to the drive motor 104 and / or the other, rigid relative to the at least one common carrier 108 or support frame 108 is permanently and independently of the pivotal position of the at least one common carrier 108 or support frame 108 Component defined.
  • the first portion and / or the third portion comprises a holder 138, which may be formed, for example, as a support 138 and a rigid layer of the first and / or third portion of the tubular member 131 relative to the at least one common carrier 108 or support frame 108 forms.
  • the third section and thus the entire tubular member 131 preferably ends in one Distance of a maximum of 50 cm from the drive motor 104 away.
  • a second embodiment of the roll-off device 100 in which two mandrels 103 or clamping mandrels 103 are arranged per storage position, will be described below. Nevertheless, as long as no contradictions arise, all descriptions are also generally applicable to the at least one roll holding device 103.
  • at least one of the clamping mandrels 103 or clamping mandrels 103 is preferably each two clamping mandrels 103 or clamping mandrels 103 in and / or opposite to the axial direction A movable.
  • This axial direction A is arranged parallel to the axis of rotation 111 of the printing material roll 101 and, if appropriate, to the pivot axis 109 of the at least one common carrier 108 or carrier frame 108 of the roll-off device 100.
  • This means that the axial direction A is at the same time a direction A of the width of the printing material web 02.
  • the rotation axis 111 of the printing material roll 101 is at the same time the axis of rotation 111 of the clamping rollers 103 or clamping mandrels 103 in contact with the respective printing material roller 101.
  • the clamping mandrels 103 preferably each have at least two preferably designed as clamping jaws Driver elements on.
  • the mandrels 103 further each have a support pin, with which the preferably designed as clamping jaws driver elements are preferably movably connected.
  • the preferred trained as clamping jaws entrainment elements are at least in the radial direction with respect to a rotation axis 111 of the mandrels 103, which coincides with the axis of rotation 111 of the Beyakstoffrolle 101, changeable in their position.
  • all components of the driver elements, which are preferably designed as clamping jaws lie within a radius defined by a maximum radial dimension of the trunnion.
  • Parts of the cam elements preferably designed as clamping jaws are outside this radius determined by the maximum radial dimension of the bearing pin.
  • the Rollenabspulvorraum 100 preferably further on the bearing 129 via the at least one common carrier 108 or support frame 108 supporting frame 112 on.
  • the Rollenabspulvortechnisch 100 along the transport path of the printing substrate 02 after the roll holding device 103 preferably arranged on a dancer arm 121 dancer roller 113 and / or a Brukantenausrichter 114 and /, one of a pull roller 118 and a Switzerlandpresseur 117 formed feed nip 119 and as first measuring roller 141, in particular feed measuring roller 141 formed first measuring device 141 having retraction 139 on.
  • This tension roller 118 preferably has its own drive motor 146 designed as a traction drive motor 146, which is preferably connected to a machine control.
  • the tension roller 118 preferably represents at least one second motor-driven rotational body 118.
  • the dancer roller 113 which is preferably deflectable on a dancer lever 121, a web tension is adjustable and can be kept within limits and / or the web tension is preferably kept within limits.
  • non-uniformities of the web tension are preferably compensated, for example in the case of web press rollers 101 running in a non-circular manner.
  • the web unwinding device 100 has an adhesive and cutting device, by means of which a reel change can fly, ie. H. can go without stoppage of the printing substrate 02 of equip.
  • the Rollenabspulvorraum 100 preferably has the Brukantenausrichter 114, which is also called Web Aligner 114.
  • This web edge aligner 114 is preferably a first web edge aligner 114.
  • This web edge aligner 114 is preferably arranged in front of the at least one first printing unit 200 with regard to the transport path of the printing material web 02.
  • This Bahnkantenausrichter 114 has at least two at least substantially and preferably aligned exactly aligned registration rollers 116 which are wrapped in a printing operation of the printing substrate 02 and the axes of rotation individually and / or jointly in their respective angular position in space and / or to a transport direction of the printing substrate 02 are variable.
  • both alignment rollers 116 are preferably arranged on a frame and can be pivoted together about a pivot axis, which is oriented perpendicular to a plane which contains the axes of rotation of the alignment rollers 116.
  • the printing substrate 02 is aligned in its lateral position, that is, a position of its web edges is aligned with respect to the direction A of the width of the printing substrate 02, which is orthogonal to the transport direction of the printing substrate 02.
  • the at least two alignment rollers 116 are aligned as a result of measuring signals of at least one sensor such that a position of the aligning rollers 116 looping substrate web 02 with respect to the direction orthogonal to the transport direction of the printing substrate 02 can be controlled within very short periods.
  • the entire printing material roll 101 is preferably moved in the direction A of its axis of rotation 111.
  • the web edge aligner 114 is preferably arranged above the support arms 107 of the reel unwinding device 100.
  • the infeed 139 is preferably arranged.
  • the draw roller 118 is preferably arranged, with which preferably the pull press 117 is arranged cooperatively.
  • the draw roller 118 and the Switzerlandpresseur 117 preferably form the feed nip 119, in which the printing substrate 02 is clamped or clamped and through which the printing material 02 is preferably conveyed.
  • the draw roller 118 can also be designed, for example, as a suction roller.
  • the draw-in gap 119 is used to regulate a web tension and / or a transport of the printing material 02.
  • the Switzerland Kirseur 117 preferably has a lateral surface, which consists of an elastic Material, for example, an elastomer exists.
  • the at least one first measuring device 141 designed as a first measuring roller 141, in particular a feed measuring roller 141, is arranged, by means of which a web tension can be measured. Results of these measurements are preferably used as a basis for controlling the web tension.
  • the at least one first measuring device 141 designed as a first measuring roller 141, in particular a feed measuring roller 141 is preferably arranged in front of the intake gap 119 in the transport direction of the printing material web 02.
  • the Switzerlandpresseur 117 at least one driver, which improves transport of the printing material 02 in the case of a formed as a textile web 02 substrate 02.
  • the retraction unit 139 is preferably arranged above the support arms 107 of the reel-off apparatus 100 and more preferably at the same height as the web edge aligner 114.
  • a first printing unit 200 is downstream of the Rollenabspulvorraum 100 with respect to the transport path of the printing substrate 02.
  • the first printing unit 200 has at least one first central pressure cylinder 201 or, shortly, central cylinder 201. If in the following a central cylinder 201 is mentioned, then a pressure central cylinder 201 is always meant.
  • the at least one first central cylinder 201 preferably represents at least one third motor-driven rotational body 201.
  • the printing material web 02 at least partially wraps around the first central cylinder 201 during printing operation. In this case, a wrap angle is preferably at least 180 ° and more preferably at least 270 °.
  • the wrap angle is the angle measured in the circumferential direction of a cylinder jacket surface of the first central cylinder 201, along which the printing substrate 02 and in particular the printing substrate 02 is in contact with the first central cylinder 201. Accordingly, at least 50% and more preferably at least 75% of the cylinder jacket surface of the first central cylinder 201 are in contact with the printing material web 02 when viewed in the circumferential direction.
  • At least one second measuring device 216 which is preferably designed as a second measuring roller 216, is preferably arranged.
  • This second measuring device 216 which is preferably designed as second measuring roller 216, preferably serves for measuring the web tension.
  • at least one first printing material preparation device 202 or web preparation device 202 is arranged to act on the printing material web 02 and / or aligned with the intended transport path of the printing material web 02.
  • the first printing substrate preparation device 202 is assigned to at least one first side and preferably both sides of the printing material web 02 and in particular aligned and / or capable of acting on at least this first side of the printing material web 02 and preferably on both sides of the printing substrate web 02.
  • the at least two alignment rollers 116 having Brukantenausrichter 114 and the at least one first central cylinder 201 of the pull roller 118 and the Switzerlandpresseur 117 formed feed nip 119 is arranged.
  • the at least one first substrate preparation device 202 is arranged in a preferred embodiment along the transport path of the printing substrate 02 after the feed nip 119 and before the first central cylinder 201 acting on the printing substrate 02 and / or aligned with the transport path of the printing substrate 02.
  • the at least one first substrate preparation device 202 is at least one substrate cleaning device 202 or Web cleaning device 202 is formed.
  • the at least one printing material preparation device 202 is designed as at least one coating device 202, in particular for water-based coating agents. Such a coating serves, for example, a primer.
  • the at least one printing material preparation device 202 is embodied as at least one corona device 202 and / or discharge device 202 for corona treatment of the printing material 02.
  • a roller 203 of the first printing unit 200 designed as first deflecting roller 203 is arranged parallel to the first central cylinder 201 with respect to its axis of rotation.
  • This first deflecting roller 203 is preferably arranged at a distance from the first central cylinder 201.
  • the printing material web 02 preferably wraps around a part of the first deflecting roller 203 and is deflected by the latter in such a way that the transport path of the printing material web 02 in the first intermediate space 204 is both tangential to the first deflecting roller 203 and tangential to the first central cylinder 201.
  • a lateral surface of the deflection roller 203 preferably consists of a comparatively inelastic material, more preferably at least one metal or an alloy, even more preferably steel or aluminum.
  • At least one first cylinder 206 designed as the first impression roller 206 is arranged in the first pressure unit 200.
  • the first impression roller 206 preferably has a lateral surface which consists of an elastic material, for example an elastomer.
  • the first impression roller 206 is preferably adjustable by means of a Anstellantriebs to the first central cylinder 201 and / or disposed thereof Ab lake further Preferably, in a linear movement direction, even more preferably radially relative to a rotation axis 207 of the first central cylinder 201. In a state applied to the first central cylinder 201, the first impression roller 206 preferably forms a first impression gap 209 together with the first central cylinder 201.
  • the printing material web 02 passes through Preferably, in printing operation, the first impression gap 209.
  • the printing substrate 02 is preferably applied flat and more preferably in a unique and known position to the first central cylinder 201.
  • the axis of rotation of the first impression roller 206 is arranged below the rotation axis 207 of the first central cylinder 201.
  • the first central cylinder 201 preferably has its own, the first central cylinder 201 associated with the first drive motor 208, which is preferably designed as an electric motor 208 and is further preferably formed as a direct drive 208 and / or individual drive 208 of the first central cylinder 201.
  • a direct drive 208 is to be understood as meaning a drive motor 208 which is in torque transmitting and / or transferable connection without the interposition of further rotational bodies in contact with the printing material 02 with the at least one first central cylinder 201.
  • a single drive 208 is to be understood as a drive motor 208, which is designed as the drive motor 208 exclusively of the at least one first central cylinder 201.
  • the first drive motor 208 of the first central cylinder 201 is preferably designed as a synchronous motor 208. Nevertheless, the use of an asynchronous motor is conceivable.
  • the first drive motor 208 of the first central cylinder 201 preferably has at least one permanent magnet, which is more preferably part of a rotor of the first drive motor 208 of the first central cylinder 201.
  • a first rotation angle sensor is preferably arranged which measures a rotational angle position of the first drive motor 208 and / or the first central cylinder 201 itself measuring and / or measurable and to a higher-level machine control is designed to send and / or send.
  • the first rotation angle sensor is designed, for example, as a rotary encoder or absolute value encoder. With such a rotation angle sensor, a rotational position of the first drive motor 208 and / or preferably a rotational position of the first central cylinder 201 is preferably determined absolutely by means of the higher-level machine control.
  • the first drive motor 208 of the first central cylinder 201 is preferably arranged on a first axial end of the first central cylinder 201, which is related to the axis of rotation 207 of the first central cylinder 201, while the rotational angle sensor preferably is located on a second axial end, which is related to the axis of rotation 207 of the first central cylinder 201 of the first central cylinder 201 is arranged.
  • the rotation angle sensor preferably has a particularly high resolution, for example a resolution of at least 3,000 (three thousand) and preferably at least 10,000 (ten thousand) and more preferably at least 100,000 (one hundred thousand) increments per full angle (360 °).
  • the rotation angle sensor preferably has a high temporal sampling frequency.
  • the first drive motor 208 of the first central cylinder 201 is connected in such a circuit with the machine control that the machine control at any time on the basis of given by the machine control to the first drive motor 208 of the first central cylinder 201 target data to a rotational position of the first drive motor 208 via the Rotary position of the first drive motor 208 and thus at the same time the rotational position of the first central cylinder 201 is informed.
  • a region of the machine control system which prescribes the rotational angle position or rotational position of the first central cylinder 201 and / or of the first drive motor 201 is preferably provided directly, in particular without an interposed sensor a region of the machine control controlling at least one print head 212 of the first printing unit 200.
  • the at least one first printing unit 211 is preferably arranged in the direction of rotation of the first central cylinder 201 and thus along the transport path of the printing material web 02 after the first impression roller 206 preferably acting on the at least one first central cylinder 201 and / or operative and / or aligned and / or alignable.
  • the at least one first printing unit 211 is preferably designed as a first inkjet printing unit 211 and is preferably also called a first inkjet printing unit 211.
  • the first printing unit 211 preferably has at least one nozzle bar 213 and more preferably a plurality of nozzle bars 213.
  • the at least one first printing unit 211 and thus the at least one first printing unit 200 preferably has the at least one first printing head 212, which is preferably designed as an inkjet printing head 212.
  • the at least one nozzle bar 213 in each case has at least one print head 212 and preferably in each case a plurality of print heads 212.
  • Each printhead 212 preferably has a plurality of nozzles from which ink droplets are ejected and / or ejected.
  • a nozzle bar 213 is a component which preferably extends over at least 80% and more preferably at least 100% of the working width of the printing machine 01 and serves as a carrier of the at least one print head 212.
  • an axial length of the bale of the at least one first central cylinder 201 is at least as large as the working width of the printing press 01.
  • a single or a plurality of nozzle bars 213 per printing unit 211 are arranged.
  • Each nozzle is preferably associated with a clearly defined target area in the direction A of the width of the printing material web 02 and preferably in relation to the direction A, in particular of the axis of rotation 207 of the at least one first central cylinder 201.
  • each target area of a nozzle in particular with respect to the circumferential direction of the at least one first central cylinder 201, is clearly defined at least in the printing operation.
  • a target area of a nozzle is that, in particular, substantially rectilinear space area which extends in an ejection direction of this nozzle from this nozzle.
  • the at least one first nozzle bar 213 preferably extends orthogonally to the transport path of the printing substrate 02 over the working width of the printing press 01.
  • the at least one nozzle bar 213 preferably has at least one row of nozzles.
  • the at least one row of nozzles viewed in the axial direction A, preferably has nozzle openings at regular intervals over the working width of the printing press 01 and / or width of the bale of the at least one first central cylinder 201.
  • a single continuous print head 212 is arranged for this purpose, which extends in the axial direction A over the entire working width of the printing press 01 and / or the entire width of the bale of the at least one first central cylinder 201.
  • the at least one row of nozzles is preferably designed as at least one linear, over the entire width of the printing material 02 in the axial direction A extending juxtaposition of individual nozzles.
  • a plurality of print heads 212 are arranged next to each other on the at least one nozzle bar 213 in the axial direction A.
  • print heads 212 are not provided with nozzles up to an edge of their housing, preferably at least two, and more preferably exactly two, rows of print heads 212 extending in the axial direction A are arranged offset relative to one another in the circumferential direction of the first central cylinder 201, preferably so in that in the axial direction A successive printheads 212 preferably belong alternately to one of the at least two rows of printheads 212, preferably always alternately a first and a second of two rows of printheads 212. Two such rows of printheads 212 form a double row of printheads 212. Each double row of print heads 212 preferably has between five and fifteen print heads 212, and more preferably seven print heads 212.
  • the at least one row of nozzles is preferably not as a single linear juxtaposition of Nozzle formed, but results as the sum of several individual, more preferably two, circumferentially offset from each other arranged juxtaposition of nozzles.
  • a print head 212 has a plurality of nozzles, then all target areas of the nozzles of this print head 212 together form a working area of this print head 212.
  • Working areas of print heads 212 of a nozzle bar 213 and in particular a double row of print heads 212 adjoin one another and / or overlap in the axial direction A. seen in the axial direction A. In this way, even when the print head 212 is not continuous in the axial direction A, target areas of nozzles of the at least one nozzle bar 213 and / or in particular of each double row of print heads 212 are located at regular and preferably periodic intervals in the axial direction A.
  • an entire working area of the at least one nozzle bar 213 preferably extends over at least 90% and more preferably 100% of the working width of the printing machine 01 and / or the entire width of the bale of the at least one first central cylinder 201 in the axial direction A. or both sides with respect to the axial direction A, there may be a narrow region of the printing material web 02 and / or the bale of the first central cylinder 201, which does not belong to the working region of the nozzle bars 213.
  • An entire working area of the at least one nozzle bar 213 is preferably composed of all working areas of print heads 212 of this at least one nozzle bar and is preferably composed of all target areas of nozzles of these print heads 212 of this at least one nozzle bar 213.
  • an entire working area of a double row of print heads 212 in the axial direction A corresponds to the working area of the at least one nozzle bar 213.
  • the at least one nozzle bar 213 preferably has a plurality of rows of nozzles in the circumferential direction with respect to the at least one first central cylinder 201.
  • each printhead 212 has a plurality of nozzles that are more preferably arranged in a matrix of a plurality of rows in the axial direction A and / or multiple columns, preferably in the circumferential direction of the at least one first central cylinder 201, such columns being more preferably oblique to the circumferential direction are arranged extending, for example, to increase a resolution of a printed image.
  • a plurality of rows of print heads 212 Preferably in a direction orthogonal to the axial direction A, in particular in the transport direction along the transport path of the printing substrate 02 and / or in the circumferential direction relative to the at least one central cylinder 201 a plurality of rows of print heads 212, more preferably four double rows and even more preferably eight double rows of Printheads 212 arranged one after another. More preferably, at least in the printing operation in the circumferential direction with respect to the at least one first central cylinder 201 a plurality of rows of printheads 212, more preferably four double rows and still more preferably eight double rows of printheads 212 arranged successively aligned on the at least one first central cylinder 201.
  • the print heads 212 are preferably aligned, at least in the printing operation, such that the nozzles of each print head 212 point in the radial direction toward the cylinder jacket surface of the at least one first central cylinder 201. Deviations from radial directions within a tolerance range of preferably not more than 10 ° and more preferably not more than 5 ° are to be considered essentially radial directions. This means that the at least one print head 212 aligned with the lateral surface of the at least one first central cylinder 201 is aligned with the rotational surface 207 of the at least one first central cylinder 201 in a radial direction on the lateral surface of the at least one first central cylinder 201.
  • this radial direction is a radial direction relative to the axis of rotation 207 of the at least one first central cylinder 201.
  • Each double row of print heads 212 is preferably assigned and / or assignable to an ink of a specific color, for example one of the colors black, cyan, Yellow and magenta or a varnish, for example a clear varnish.
  • the corresponding inkjet printing unit 211 is preferably formed as a four-color printing unit 211 and allows a one-sided four-color printing of the printing substrate 02. It is also possible to print fewer or more different colors with a printing unit 211, for example, additional spot colors.
  • correspondingly more or fewer printheads 212 and / or double rows of printheads 212 are arranged within this corresponding printing unit 211.
  • a plurality of rows of printheads 212, more preferably four double rows, and more preferably eight double rows of printheads 212 are sequentially aligned on at least one surface of at least one transfer body, eg, at least one transfer cylinder and / or at least one transfer belt.
  • the at least one print head 212 preferably works to generate drops of ink by the drop-on-demand method.
  • print heads 212 which work according to another method for producing drops of ink, for example the continuous-ink-jet process.
  • ink droplets are selectively generated as needed.
  • at least one piezo element is used per nozzle, which can reduce a volume filled with ink at high speed by a certain amount when a voltage is applied. This displaces ink which is ejected through a nozzle connected to the volume filled with ink and forms at least one ink droplet.
  • a droplet deflection after ejection from the corresponding nozzle is not necessary since it is possible to set a target position of the respective ink droplet on the moving printing substrate 02 with respect to the circumferential direction of the at least one first central cylinder 201 solely by an emission time of set respective ink drop and a rotational speed of the first central cylinder 201 and / or by the rotational position of the first central cylinder 201.
  • individual control of each nozzle ink droplets are transmitted from the at least one print head 212 to the printing substrate 02 only at selected times and at selected locations.
  • the first drive motor 208 of the first central cylinder 201 is preferably connected to the machine control in such a manner that the machine control at any time via the setpoint data to a rotational position of the first drive motor 208 given by the machine control to the first drive motor 208 of the first central cylinder 201 Rotary position of the first drive motor 208 and thus at the same time the rotational position of the first central cylinder 201 is informed.
  • An ejection of ink droplets from the at least one nozzle of the at least one print head 212 preferably takes place as a function of the rotational position of the first drive motor 208 predetermined by the machine controller.
  • Target data of the rotational position of the first drive motor 208 is preferably included in real time in a calculation of data for driving the nozzles of the at least one printhead 212.
  • a comparison with actual data of the rotational position of the first drive motor 208 is preferably not necessary and preferably does not take place.
  • the first printing unit 200 preferably has at least one storage container for each printing ink to be processed.
  • This at least one storage container preferably has a capacity of 10 liters to 100 liters.
  • at least one and more preferably each of these reservoirs is connected via at least one line to at least one buffer memory.
  • the at least one buffer memory preferably has a capacity of 1 liter to 10 liters.
  • By arranged in the at least one buffer memory amount of ink it is possible to replace one or more reservoirs, without interrupting a current printing operation.
  • at least one, and more preferably, each of these buffer memories is connected via at least one further line, designated as a feed line, to at least one intermediate store.
  • the at least one buffer preferably has a capacity of 0.1 liter to 1 liter.
  • the at least one buffer is connected to the at least one printhead 212.
  • each double row of printheads 212 is associated with a pair of latches each.
  • at least one processing device is arranged between the at least one storage container and the at least one print head 212 and more preferably between the at least one storage container and the at least one buffer, by means of which preferably corresponding printing ink can be freed from dirt and / or gas bubbles.
  • the at least one temporary store is preferably arranged above the printhead 212 cooperating with the respective intermediate store.
  • a height difference between the at least one print head 212 and the respective at least one buffer for a plurality of print heads and more preferably for all print heads is preferred 212 in each case the same size.
  • a hydrostatic pressure of the ink for each printhead 212 present at the at least one printhead 212 is the same and thus equal operating conditions for all printheads 212 prevail.
  • at least the at least one supply line, which connects the at least one temporary store to the at least one print head 212 is subjected to a negative pressure and / or acted upon.
  • each printhead 212 also has at least one drain through which preferably dried or soiled ink can be removed from the at least one printhead 212 without being expelled by a nozzle intended for printing.
  • the at least one derivative is preferably connected to at least one waste container.
  • An exact and constant position the printing material web 02 relative to the at least one first central cylinder 201 is of great importance for a passport-conforming and / or register-compatible printed image, in particular if the activation of the at least one nozzle is linked to the rotational position of the first central cylinder 201 as described above.
  • the nozzles of the at least one print head 212 are arranged such that a distance between the nozzles and the printing material web 02 arranged on the cylinder jacket surface of the at least one first central cylinder 201 is preferably between 0.5 mm and 5 mm and more preferably between 1 mm and 1.5 mm.
  • the high angular resolution and / or the high sampling frequency of the rotation angle sensor and / or the high accuracy of the predetermined by the machine control and processed by the first drive motor 208 of the first central cylinder 201 target data to the rotational position of the first drive motor 208 of the first central cylinder 201 allows a very accurate Orientation and / or knowledge of the position of the printing material web 02 relative to the nozzles and their target areas.
  • a drop flight time between the nozzles and the printing material web 02 is known, for example, by a teaching process and / or by the known distance between the nozzles and the printing material web 02 and a known drop speed. From the rotational angle position of the at least one first central cylinder 201 and / or the first drive 208 of the at least one first central cylinder 201, the rotational speed of the at least one first central cylinder 201 and the droplet flight time, an ideal time for ejection of a respective droplet is determined, so that a passer-like and / or register-compliant imaging of the printing substrate 02 is achieved.
  • At least one sensor designed as a first print image sensor is arranged, more preferably at one point along the transport path of the printing material web 02 after the first printing group 211.
  • the at least one first print image sensor is designed, for example, as a first line camera or as a first area camera.
  • the at least one first print image sensor is, for example, as at least one CCD sensor and / or formed as at least one CMOS sensor.
  • a control of all in the circumferential direction of at least one first central cylinder 201 successive and / or acting print heads 212 and / or double rows of print heads 212 of the first printing unit 211 is preferably monitored and regulated.
  • a first print image sensor only a first print image sensor is arranged, the sensor field of which covers the entire width of the transport path of the printing material web 02.
  • a second embodiment of the at least one print image sensor only a first print image sensor is arranged, which is designed to be movable in the direction A orthogonal to the direction of the transport path of the printing substrate 02.
  • a plurality of print image sensors are arranged, whose respective sensor fields each comprise different regions of the transport path of the printing material web 02.
  • these areas are arranged offset in the direction A orthogonal to the direction of the transport path of the printing substrate 02 to each other.
  • an entirety of the sensor fields of the plurality of print image sensors comprises an entire width of the transport path of the printing material web 02.
  • a ply of pixels formed by ink droplets originating from a respective first printhead 212 is preferably compared to a ply of pixels formed by ink drops emerging from a respective second one in the circumferential direction of the at least one first central cylinder 201 originate the printhead 212 lying printhead 212 respectively. This is preferably done independently of whether these each process first and second, in the circumferential direction of the at least one first central cylinder 201 successive and / or acting print heads 212 a same or a different ink.
  • a tuning of the layers of printed images from different printheads 212 is monitored. For the same printing inks is a Registered merging of sub-images monitored. For different inks, a register or color register is monitored.
  • a quality control of the printed image is preferably also carried out with the measured values of the at least one printed image sensor.
  • each printing ink is preferably associated with at least two double rows of printing heads 212 lying one behind the other in the circumferential direction of the first central cylinder 201.
  • a resolution of 600 dpi 600 pixels per inch
  • a transport speed of the printing substrate 02 of 2 m / s and a four-color printing.
  • Preferably even higher web speeds of 150 m per minute or more are possible. Smaller resolutions and / or fewer colors allow correspondingly higher transport speeds.
  • two-color printing may be performed, for example, if each of the two colors is assigned to each half of the print heads 212.
  • the printing speed can be doubled.
  • a larger number of print heads 212 is another way to influence the achievable print resolution and / or transport speed and / or color selection. In particular, attention must be paid to a sufficiently high data processing speed of the controller controlling the printheads 212.
  • connection point is as thick as two printing substrate webs 02 and the adhesive strip together.
  • the at least one nozzle bar 213 is therefore movable in at least one direction relative to the axis of rotation 207 of the at least one first central cylinder 201. In this way, the distance can be sufficiently increased, but must be subsequently reduced accordingly again.
  • a second such situation results, for example, in the maintenance and / or cleaning of at least one of the print heads 212.
  • the print heads 212 are preferably fastened individually to the at least one nozzle bar 213 and individually detachable from the at least one nozzle bar 213. This allows individual printheads 212 to be maintained and / or cleaned and / or replaced.
  • nozzle bars 213 which are movable relative to one another are arranged, minimal misalignment of the nozzle bars 213 with one another may occur when at least one nozzle bar 213 is returned to a pressure position. An alignment requirement can thus occur, in particular all print heads 212 of a nozzle bar 213 to printheads 212 other nozzle bars 213.
  • a new and / or reordering printhead 212 attached to the at least one nozzle bar 213, to which at least one other printhead 212 is attached so does not necessarily but at most coincidentally a precisely matching orientation of this new and / or re-arranged printhead 212 to the at least one already attached printhead 212 in the circumferential direction and / or in the axial direction A relative to the at least one first central cylinder 201.
  • a new and / or reordering printhead 212 attached to the at least one nozzle bar 213, to which at least one other printhead 212 is attached so does not necessarily but at most coincidentally a precisely matching orientation of this new and / or re-arranged printhead 212 to the at least one already attached printhead 212 in the circumferential direction and / or in the axial direction A relative to the at least one first central cylinder 201.
  • At least one sensor detects a position of the target area of at least one new and / or re-arranged printhead 212 relative to a location of the target area of at least one printhead 212 already attached. This is preferably done by comparing locations of pixels generated by the respective printheads 212 on the printhead Substrate web 02.
  • the sensor used for this purpose is preferably the at least one first printed image sensor already described. However, it is also possible for this purpose to use a sensor other than the already described at least one first print image sensor, for example a sensor specialized in this task. These relative positions are evaluated by means of an evaluation unit, for example the higher-level machine control.
  • An installation position of the at least one new and / or re-arranged print head 212 in the circumferential direction with respect to the at least one first central cylinder 201 can be compensated by controlling the nozzles of this print head 212, preferably analogously to the already described adaptation of print heads 212 of different double rows of print heads 212.
  • An installation position of the at least one new and / or re-arranged print head 212 in the axial direction A with respect to the at least one first central cylinder 201 is compensated by means of at least one adjustment mechanism.
  • several print heads 212 each have their own adjustment mechanism, more preferably, all print heads 212 each have their own adjustment mechanism.
  • Each such adjustment mechanism has at least one linear drive, which is preferably designed as an electric motor and more preferably as a stepper motor.
  • the linear drive has, for example, a spindle drive and / or a rack and a pinion. In another embodiment, the linear drive has an eccentric and a groove interacting therewith.
  • Each printhead 212, which has a linear drive is preferably at least parallel to the axial one by means of its linear drive Direction A movably arranged.
  • a test print is preferably carried out, in which the print head 212, which is new and / or to be arranged again, and at least one print head 212 serving as the reference, transfers ink droplets to the printing material web 02.
  • the test printout is preferably detected automatically by means of a sensor, for example the first print image sensor.
  • the position of this print head 212 in the axial direction A is preferably automatically adjusted by means of the adjustment mechanism and / or an adaptation of the control of the nozzles of this Printhead 212 made with respect to a drop ejection timing.
  • the test print-out may, for example, be in the form of a test strip extending over part or all of the axial width of the printing substrate 02.
  • Such test prints and in particular test strips are preferably also printed in a running printing operation at least temporarily on the printing substrate 02, for example in a region between two printed images, which represents a border area in the production of finished printed products, which is already cut off, in particular regardless of whether a test printout arranged on it or not.
  • the at least one sensor then registers the printed image of the at least one test printout.
  • a plurality of such test printouts can be detected successively in time with a sensor which is moved in each case to different axial positions in order to examine the position of the pixels there.
  • the at least one nozzle bar 213 is preferably arranged movably in the axial direction A, more preferably so far that no nozzle of the nozzle bar 213 and / or no working area of a print head 211 of the nozzle bar 213 has a same position with respect to the axial direction A as any component bale of the at least one first central cylinder 201.
  • at least one is preferred Linear guide arranged.
  • the at least one nozzle bar 213 carrying carriage is arranged to be movable along the at least one linear guide.
  • the at least one nozzle bar 213 is preferably first turned off in a direction oriented radially to the axis of rotation 207 of the at least one first central cylinder 201 from the at least one first central cylinder 201 and subsequently moved in the axial direction A.
  • a protective cover is arranged, which is movable in a position relative to the at least one nozzle bar 213, in which the protective cover is arranged to cover all the nozzles of the at least one nozzle bar 213 parked by the at least one first central cylinder 201. In this way, drying of the nozzles is prevented.
  • At least one nozzle cleaning device is arranged, which has a number of washing nozzles and / or brushes and / or pullers.
  • This at least one nozzle cleaning device is preferably movable in the axial direction A and / or from below to the nozzles of the at least one nozzle bar 213 movable up. Additionally or alternatively, the at least one nozzle bar 213 is movable from above to the nozzle cleaning device.
  • the at least one nozzle cleaning device is connected to the protective cover and / or movable together with the protective cover, for example in the axial direction A.
  • the at least one nozzle cleaning device but also relative to the protective cover movable, for example, the at least one nozzle cleaning device from the completed To remove volume.
  • the protective cover preferably serves at the same time as a collecting container for from the washing nozzles leaked and / or dripping from the nozzle cleaning liquid and / or dirt and / or ink.
  • the at least one nozzle bar 213 is completely independent of those components of the printing press 01 movable, which are arranged touching the printing material 02. Thus, such cleaning and / or maintenance can be carried out without affecting the printing material web 02 and in particular without having to remove the printing material web 02 from the printing press 01.
  • the at least one print head 212 and / or its nozzles can be cleaned in a first and / or a second manner.
  • ink is preferably promoted by switching off the negative pressure and / or under increased pressure through the nozzles of the at least one print head 212, preferably in such a large amount that impurities and / or dried ink is entrained and preferably in the collection container serving protective cover is initiated. This is preferably closed with a separate, different from the at least one nozzle bar 213 closure and separately cleaned, in particular flushable.
  • the first type of cleaning is the preferred type of cleaning. For example, with heavier soils, the second type of cleaning is performed.
  • the entire at least one print head 212 and its feed lines and preferably also the respective intermediate stores of printing ink are in each case completely freed and flushed with a cleaning liquid.
  • This cleaning liquid is again preferably collected by means of the protective cover serving as a collecting container.
  • the printing material web 02 is transported further along its transport path and preferably fed to the at least one first dryer 301 of the at least one dryer unit 300.
  • the at least one first dryer 301 is accordingly with respect to Transport path of the printing substrate 02 after the first printing unit 211 and in particular after the at least one first printing unit 200 is arranged.
  • the first side of the printing material web 02 printed by the at least one first printing unit 200 is between a last contact point of the printing material web 02 with the at least one first central cylinder 201 of the at least one first printing unit 200 and an area of action of the at least one first dryer 301 with no component of FIG Roller printing machine 01 in contact.
  • the second, in particular not printed by the first printing unit 200 the at least one first central cylinder 201 of the at least one first printing unit 200 contacting side of the printing substrate 02 between the last contact point of the printing substrate 02 with the first central cylinder 201 of the at least one first printing unit 200 and the area of action of the at least one first dryer 301 with at least one deflecting roller 214 of the at least one first printing unit 200 and / or with at least one deflecting roller 312 of the at least one first dryer 301 in contact.
  • the at least one deflection roller 214 of the first printing unit 200 is arranged, which more preferably the printing material web 02, after it has been detached in one direction with a larger vertical, preferably downwardly oriented component than optionally present horizontal component of the at least one first central cylinder 201, in deflects a direction that has a greater horizontal component than any vertical component that may be present.
  • At least one third measuring device 214 which is also preferably designed as a third measuring roller 214, is preferably arranged. This third measuring device 214 is used to measure the web tension.
  • the at least one deflecting roller 214 of the first printing unit 200 is identical to the third measuring device 214 designed as the third measuring roller 214.
  • at least one deflection roller 312 of the at least one first dryer 301 is arranged, which deflects the printing material web 02 from this direction or another direction with a larger horizontal component than optionally present vertical component in a direction with a larger vertical, preferably upwardly oriented component than optionally present horizontal component.
  • the at least one first dryer 301 is preferably designed as an infrared radiation dryer 301.
  • the at least one first dryer 301 preferably has at least one and preferably several, more preferably at least six and even more preferably at least ten radiation sources 302 arranged one behind the other in the transport direction of the printing substrate 02, which are preferably designed as infrared radiation sources 302.
  • a radiation source 302, preferably infrared radiation source 302, is a device by means of which targeted electrical energy is converted into radiation, preferably infrared radiation, and / or is convertible and is directed onto the printing material web 02 and / or can be directed.
  • the at least one radiation source 302 preferably has a defined area of action.
  • the exposure region of a radiation source 302 is in each case the region which contains all the points which, in particular, can be connected in a straight line directly or via reflectors to the radiation source 302 without interruption.
  • the area of action of the at least one first dryer 301 is composed of the areas of action of all the radiation sources 302 of the at least one first dryer 301.
  • the area of action of the at least one first dryer 301 preferably points from the at least one radiation source 302 to one of the at least one radiation source 302 closest to the transport path of the printing material web 02.
  • the at least one radiation source 302 has a length and a width and a height on.
  • the length of the radiation source 302 is at least five times the width and the height of the radiation source 302.
  • the length of the at least one radiation source 302 in the axial direction A extends parallel to the axis of rotation 207 of the at least one first central cylinder 201 and thus into This means that the at least one first dryer 301 has at least one radiation source 302 which extends in a horizontal direction orthogonal to the transport path of the printing substrate 02 through the at least one first dryer 301 oriented direction A.
  • the arrangement of a plurality of radiation sources 302 oriented in this way in the transport direction of the printing substrate 02 in succession allows adaptation of a total of radiated on the printing substrate 02 radiation power to each applied to the substrate 02 color amount and / or color density.
  • the at least one radiation source 302 preferably has at least one and more preferably two tubes whose diameters are preferably between 10 mm and 50 mm.
  • the at least one tube preferably consists of material which is at least partially permeable to radiation in the infrared range, more preferably of a quartz glass.
  • Arranged inside each such tube is at least one incandescent body, preferably an incandescent filament or an annealing strip, which preferably consists of tungsten and / or a tungsten alloy and / or carbon (carbon).
  • the filament may for example consist of tungsten carbide.
  • a reflector layer is applied to a side of the tubes facing away from the printing substrate 02.
  • Each radiation source 302 has a housing 316 which preferably has at least one and more preferably a plurality of ventilation openings and which preferably is not arranged between the incandescent bodies and the printing material web 02. Preferably, all the vent openings open into a common air discharge line 318.
  • the length of the at least one radiation source 302 is aligned parallel to the transport direction of the printing substrate 02.
  • a plurality of radiation sources 302 are then arranged next to one another in the direction A of the width of the printing material web 02. This means that the at least one first dryer 301 has at least one radiation source 302 which extends in a direction which has at least one component oriented parallel to the transport path of the printing substrate 02 through the at least one first dryer 301.
  • An adaptation of the dryer power can take place via a preferably individual regulation of a radiation power of the at least one radiation source 302.
  • the plurality of radiation sources 302 are arranged parallel to each other with respect to their length.
  • the plurality of radiation sources 302 are arranged side by side in a direction which is aligned orthogonally to the length of the radiation sources 302 and / or which extends along the transport path of the printing material web 02.
  • a plurality of radiation sources 302 preferably extend orthogonally to the transport direction of the printing material web 02 and are arranged one behind the other in the transport direction of the printing material web 02. Due to the radiation emitted by the at least one radiation source 302, moisture is removed from the printing material web 02 and / or from the printing ink disposed thereon and absorbed by the ambient air in an interior space of the at least one first dryer 301.
  • the transport path of the printing substrate 02 extends through this interior of the at least one first dryer 301.
  • a tempering of components of the at least one first dryer 301 and / or a venting of the interior of the at least one first dryer 301 is provided , At least one is preferred for this purpose
  • the temperature control device is designed as a ventilation device.
  • the ventilation device preferably also serves to remove moisture and / or solvents from the at least one first dryer 301.
  • the ventilation device has at least one air supply line 317 and preferably at least one ventilation opening 313 connected thereto and an air discharge line 318, and preferably at least one ventilation opening connected thereto.
  • the at least one ventilation opening 313 is traversed by air in a direction directed into the interior of the at least one dryer 301.
  • the at least one first dryer 301 is therefore likewise designed as a flow dryer 301 in addition to its design as a radiation dryer 301.
  • the at least one first dryer 301 is at least partially designed as a radiation dryer 301.
  • the at least one first dryer 301 is designed as a UV radiation dryer 301 and / or as a pure flow dryer 301, for example hot air dryer 301.
  • At least one preferably slot-shaped ventilation opening 313 is arranged. More preferably, at least one, preferably slot-shaped ventilation opening 313 is arranged at least between two radiation sources 302 and even more preferably between in each case two radiation sources 302.
  • the housing 316 of at least one and preferably each radiation source 302 preferably has at least one ventilation opening, more preferably a multiplicity of ventilation openings.
  • such a tempering device has at least one fluid-tempered, preferably liquid-tempered component, which is preferably arranged at a distance of at most 50 cm, more preferably at most 15 cm, from the at least one radiation source 302.
  • a fluid-temperature-controlled component is arranged in the area of action of the at least one first dryer 301.
  • a fluid-temperature-controlled component for example, a Beyakstoffleitelement, for example, a Beyakstoffleitblech, the at least one, with Tempering fluid and preferably tempering liquid flowed through and / or through-flowable line and / or is connected to such.
  • At least one part of the housing 316 of at least one and preferably each radiation source 302 has at least one line which is flowed through and / or flowed through with tempering fluid and preferably temperature control fluid and / or is connected to such.
  • tempering fluid for example, water is used.
  • Air is introduced into the interior of the at least one first dryer 301 through the at least one ventilation opening 313.
  • the first dryer 301 there is preferably an overpressure.
  • water and / or solvent of the printing inks to be removed by the infrared radiation from the printing material web 02 are removed and taken up by the introduced air. This air is then removed through the at least one vent opening from the at least one first dryer 301.
  • the at least one ventilation opening 313 is preferably connected upstream of the at least one air supply line 317, and the at least one ventilation opening is connected downstream of the at least one air discharge line 318.
  • the at least one ventilation device has at least one heat exchanger.
  • the at least one first dryer 301 preferably has at least one ventilation device, the at least one ventilation device preferably having at least one air supply line 317 leading to the at least one first dryer 301 and at least one heat exchanger and at least one of the at least one the first dryer away leading air discharge line 318 and wherein the at least one air discharge line 318 and the at least one air supply line 317 are preferably coupled to the at least one heat exchanger and / or coupled.
  • energy is preferably transferable from an interior of the at least one air discharge line 318 and in particular from a gas stream flowing through the at least one air discharge line 318 to an interior of the at least one air supply line 317 and in particular to a gas stream flowing through the at least one air supply line 317, more preferably without transfer of matter, in particular gas from the at least one air discharge line 318 into the at least one air supply line 317.
  • At least one second air supply line 317 is arranged, by means of which, bypassing the at least one air discharge line 318 and / or the at least one heat exchanger, at least one gas can be supplied to the at least one dryer, preferably fresh air.
  • a temperature of the gas stream to be supplied can be controlled and / or regulated, in particular by setting a corresponding mixing ratio.
  • a flow velocity in the at least one air supply line 317 and / or in the at least one air discharge line 318 can preferably be controlled and / or regulated.
  • At least one delivery device is connected to the at least one air supply line 317 and more preferably at least indirectly to the at least one air discharge line.
  • the at least one conveying device is designed as at least one gas conveying device, for example as at least one pump.
  • the at least one conveying device is preferably designed as at least one air conveying device.
  • at least one controllable and more preferably controllable gas valve is arranged. This at least one gas valve is preferably manually adjustable and / or coupled to a drive and / or motorized and preferably as one Branch formed with at least one flap.
  • a first line connected to an input of the at least one gas valve is preferably the at least one air discharge line 318.
  • a second line connected to an outlet of the at least one gas valve preferably leads, for example, to a disposal device and / or reprocessing device.
  • a third line connected to an outlet of the at least one gas valve preferably leads to the at least one conveying device.
  • At least one interior of the at least one air supply line 317 may be fluidly connected and / or connectable to at least one interior of the at least one air discharge line 318 by means of the at least one delivery device.
  • a portion of the air discharged from the at least one first dryer 301 is preferably adjustable, which, preferably by means of the at least one conveying device, is fed back to the at least one first dryer 301.
  • the at least one gas valve is preferably adjusted so that a preferably from 0% to 100% adjustable portion of the first flowing through the at least one gas valve line flowing air into the third connected to the at least one gas valve line and thus on the at least one conveyor and the at least one air supply line 317 is again transported into the at least one first dryer 301.
  • the remaining discharged air is preferably supplied to the second line connected to the at least one gas valve and transported away.
  • the at least one gas valve determines a portion supplied to the air supply line 317 and a portion of a gas stream flowing through the air discharge line 318, which is discharged as exhaust air.
  • This removal preferably results in a negative pressure, which is preferably automatically compensated by transporting further air via the fresh air line preferably first into the at least one delivery device and into the at least one first dryer 301.
  • the negative pressure itself ensures a suction of a necessary volume of air through the Fresh air line. In this way, an effectiveness of the at least one first dryer 301 is improved because not completely saturated exhaust air can be reused and thus heat energy can be saved because the warm air is reintroduced.
  • necessary treatment measures reduce the volume of air to be cleaned.
  • the printing press 01 is thus preferably characterized in that at least one gas valve comprises a portion fed and / or supplied at least one air supply line 317 and a portion of the at least one air discharge line 318 flowing through and / or dischargeable as exhaust air an air discharge line 318 is guided and / or arranged guided by the at least one air discharge line 318 gas stream determined.
  • the at least one second line connected to the at least one gas valve and / or the at least one disposal device and / or reprocessing device and / or the at least one third line and / or fresh air line connected to the at least one gas valve are preferably components of a ventilation device of the at least one First dryer 301.
  • a leading to the at least one first dryer 301 air supply line 317 is to be understood in particular a line 317, the interior of which is connected to an interior of the at least one first dryer 301 and whose interior in an operation of the at least one first dryer 301 of a gas in Direction to the interior of the at least one dryer 301 is flowed through and / or is flowed through.
  • Under a leading away from the at least one first dryer air discharge line 318 is to be understood in particular a conduit 318 whose interior is connected to the interior of the at least one first dryer 301 and whose interior in an operation of the at least one first dryer 301 of a gas in Direction of the interior of the at least one dryer 301 is flowed away and / or flows through.
  • the transport path of the printing material 02 through an area of action of the at least one first dryer 301 is preferably at least 75%, more preferably at least 95%, and even more preferably completely in at least one direction with a greater horizontal than horizontal component.
  • the transport path of the printing substrate 02 extends through the at least one first dryer 301 substantially in the vertical direction upwards. This ensures that, in the case of a web break, no part of the printing material web 02 falls from above onto a radiation source 302 and / or comes to rest on a radiation source 302.
  • At least a first support roller 319 is preferably along the transport path in the interior of the arranged at least a first dryer 301, more preferably such that the at least one first support roller 319 is shielded by the printing substrate 02 against the radiation sources 302.
  • the at least one first support roller 319 prevents uncontrolled fluttering of the printing material web 02, which otherwise could occur due to the air flowing out of the at least one ventilation opening 313.
  • a wrap angle of the printing material web 02 around the at least one first support roller 319 is preferably between 1 ° and 45 °, more preferably between 1 ° and 25 °.
  • the intended transport path for printing substrate 02 by means of the at least one first dryer 301 has at least two sections, each extending in directions with vertical components, more preferably with larger vertical than optionally present horizontal components.
  • the intended transport path of the printing material runs along one section at least with a component in the vertical direction upwards.
  • the intended transport path of the printing material runs along the other portion at least with a component in the vertical direction downwards.
  • the one portion and the other portion of the intended transport path are connected to each other by at least one provided connection piece of the intended transport path.
  • the at least one connecting piece extends in a direction with a horizontal component, more preferably with a larger horizontal than optionally present vertical component.
  • At least one first cooling device 303 is arranged in the transport direction of the printing material web 02 after the action region of the at least one radiation source 302 of the at least one first dryer 301.
  • the at least one first cooling device 303 preferably has at least one first cooling roller 304 and preferably a first, at least one first cooling roller 304 engageable and / or employeddewalzenpresseur 306, and preferably at least one, to the at least a first chill roll 304 engagable and / or employed Anlenkwalze 307; 308 up.
  • the first chill roll press 306 preferably has a lateral surface which consists of an elastic material, for example an elastomer.
  • One of the at least one first cooling roller 304 associated first designed as a first cooling roller drive motor 311 drive motor 311 and preferably also the firstdewalzenpresseur 306 are preferably part of a web tension control, so the web tension regulated arranged and preferably for this purpose at least partially and / or temporarily with the higher-level machine control connected.
  • the at least one first cooling roller 304 preferably represents at least one fourth motor-driven rotational body 304.
  • the printing material web 02 preferably wraps and contacts along its transport path the at least one first cooling roller 304 with a wrap angle of preferably at least 180 ° and more preferably at least 270 °.
  • a space requirement of the at least one first cooling device 303 is low, since even with a cooling roller 304, a high transfer of energy can be achieved.
  • the first cooling roll press 306 preferably forms with the at least one first cooling roll 304 a first cooling roll gap 309 in which the printing material web 02 is preferably arranged and / or which passes through the printing material web 02.
  • the printing material web 02 is pressed by the cooling roller press 306 to the at least one first cooling roller 304.
  • the printing material web 02 preferably wraps around a second connecting roller 308 of the at least one first cooling device 303.
  • the at least one first cooling roller 304 of the at least one first cooling device 303 is preferably designed as a cooling roller 304 through which a coolant flows.
  • the coolant is preferably a coolant, for example water.
  • a fluid circuit is connected to both the at least one first cooling device 303 and, if present, the second cooling device 333, as well as to the temperature control device of the at least one radiation source 302.
  • the first cooling roll 304 preferably has its own first cooling roll drive motor 311.
  • At least one second printing unit 400 is preferably arranged.
  • at least one second web edge aligner is arranged along the transport path of the printing material web 02 preferably immediately before the at least one second printing unit 400 and preferably after the at least one first dryer 301 and in particular after the at least one first printing unit 200, which preferably can be controlled manually or driven and / or is designed adjustable.
  • the at least one second printing unit 400 is constructed analogously to the first printing unit 200.
  • the at least one second printing unit 400 is constructed substantially and more preferably completely symmetrically with respect to the described components with respect to the at least one first printing unit 200.
  • a corresponding plane of symmetry has a horizontal surface normal lying orthogonal to the axial direction A.
  • the second printing unit 400 has a second central cylinder 401 or short central cylinder 401, which is wrapped in the printing operation of the printing substrate 02, and also with a wrap angle of preferably at least 180 ° and more preferably at least 270 °. Accordingly, at least 50% and more preferably at least 75% of a cylinder jacket surface of the second central cylinder 401 are in contact with the printing material web 02 when viewed in the circumferential direction in the circumferential direction.
  • the second central cylinder 401 preferably represents a fifth motor-driven rotary body 401.
  • the second central cylinder 401 of the second pressure unit 400 preferably has a rotational direction which is opposite to a direction of rotation of the at least one first central cylinder 201.
  • a second printing substrate cleaning device 402 or web cleaning device 402 is preferably arranged to act on the printing substrate web 02.
  • the second printing substrate cleaning device 402 is preferably designed as a second dedusting device 402.
  • the second printing material cleaning device 402 preferably has at least one brush and / or at least one suction device and / or device for the electrostatic discharge of particles adhering to the printing material web 02.
  • the second printing substrate cleaning device 402 is assigned to at least one second side of the printing material web 02, in particular aligned and / or capable of acting at least on this second side of the printing substrate web 02. If the first printing substrate cleaning device 202 is formed on both sides of the printing material web 02 acting and / or effective, the second Bechriststofftherapiesvorraum 402 can be omitted.
  • a roller 403 of the second printing unit 400 formed as a second deflecting roller 403 is arranged parallel to the second central cylinder 401 and spaced therefrom by a second intermediate space 404.
  • the transport path of the printing substrate 02 through the at least one second printing unit 400 extends analogously to the transport path through the at least one first printing unit 200.
  • the printing substrate 02 preferably wraps around a part of the second deflecting roller 403 and is deflected by the latter in such a way that the transport path of the printing material web 02 in the second intermediate space 404 both tangential to the second guide roller 403 and tangent to the second central cylinder 401 extends.
  • At least one cylinder 406 designed as a second impression roller 406 is arranged in the second printing unit 400.
  • the second impression roller 406 preferably has a lateral surface which is made of an elastic material, for example an elastomer.
  • the second impression roller 406 is preferably constructed and arranged analogously to the first impression roller 206, in particular with respect to its mobility and a second impression gap 409.
  • the second central cylinder 401 is preferably arranged and constructed analogously to the first central cylinder 201, in particular with respect to a second drive motor 408 of the second central cylinder 401 and a corresponding preferably arranged second rotation angle sensor which measures a rotational angle position of the second drive motor 408 and / or the second central cylinder 401 itself and / or capable of measuring and transmitting to the higher-level machine control and / or capable of transmitting.
  • the second guide roller 403 and / or preferably by the second impression roller 406 the printing substrate 02 is applied flat and preferably in a unique and known position to the second central cylinder 401.
  • the second drive motor 408 is preferably designed as an electric motor 408 and more preferably designed as a direct drive 408 and / or individual drive 408 of the second central cylinder 401.
  • the second drive motor 408 of the second central cylinder 401 is preferably designed as a synchronous motor 408.
  • the second rotation angle sensor is preferably also designed, for example, as a rotary encoder or absolute value encoder, so that a rotational position of the second drive motor 408 and / or preferably a rotational position of the second central cylinder 401 can be determined absolutely by means of the higher-level machine control.
  • the second drive motor 408 of the second central cylinder 401 is preferably at a first, on the rotation axis 407 of the second central cylinder 401 disposed axial end of the second central cylinder 401, while the rotation angle sensor is preferably arranged on a second, on the rotation axis 407 of the second central cylinder 401 related axial end of the second central cylinder 401.
  • the rotation angle sensor preferably also has a particularly high resolution, for example a resolution of at least 3,000 (three thousand) and preferably at least 10,000 (ten thousand) increments per full angle (360 °) and more preferably at least 100,000 (one hundred thousand) increments per full angle (360 °).
  • the rotation angle sensor preferably has a high temporal sampling frequency.
  • the second drive motor 408 of the second central cylinder 401 is also connected in such a circuit with the machine control, that the machine control at any time to a rotational position of the second drive motor 408 due to given by the machine control to the second drive motor 408 of the second central cylinder 401 target data the rotational position of the second drive motor 408 and thus at the same time the rotational position of the second central cylinder 401 is informed.
  • a region of the machine control which prescribes the rotational angle position or rotational position of the second central cylinder 401 and / or of the second drive motor 401 is connected directly, in particular without an interposed sensor, to a region of the machine control system controlling the at least one print head 412 of the second printing unit 400.
  • At least one second printing unit 411 designed as an inkjet printing unit 411 or inkjet printing unit 411 is preferably arranged aligned with the second central cylinder 401 in the direction of rotation of the second central cylinder 401 and thus along the transport path of the printing substrate 02 after the second impression roller 406 ,
  • the at least one second printing unit 411 of the at least one second printing unit 400 is preferably identical to the at least one first printing unit 211 of the at least one first printing unit 200, in particular with respect to at least one nozzle bar 413, at least one printhead 412 formed as an ink jet printhead 412 and its arrangement in double rows, the execution and resolution of the printing process, the arrangement, alignment and control of the nozzles and the movability and adjustability of the at least one nozzle bar 413 and the at least one printhead 412 means of at least one adjustment mechanism with a corresponding electric motor.
  • An analogous protective cover and / or cleaning device is also preferably arranged.
  • a correct alignment of the printheads 412 of the at least one second printing unit 400 is preferably checked by at least one sensor detecting a printed image and the machine controller evaluating this image.
  • This at least one sensor is preferably at least one second printed image sensor which is designed analogously to the at least one first printed image sensor.
  • the at least one second printing unit 411 is designed as a four-color printing unit 411.
  • the second drive motor 408 of the second central cylinder 401 is preferably connected to the machine control in such a manner that the machine control at any given time via the desired data preset by the machine control to the second drive motor 408 of the second central cylinder 401 about a rotational position of the second drive motor 408 Rotary position of the second drive motor 408 and thus at the same time the rotational position of the second central cylinder 401 is informed.
  • An ejection of ink droplets from the at least one nozzle of the at least one print head 412 of the second printing unit 400 then takes place as a function of the predetermined by the machine control rotational position of the second drive motor 408.
  • the predetermined by the machine control to the second drive motor 408 target data of Rotary position of the second drive motor 408 preferably in real time in a calculation of data for controlling the nozzles of the at least one printhead 412 included.
  • a comparison with actual data of the rotational position of the second drive motor 408 is preferably not necessary and preferably does not take place.
  • the printing machine 01 preferably has at least one register sensor, which records a position of at least one and preferably each first printed image applied by the at least one first printing group 211 to the first side of the printing material web 02 and sends it to the higher-level machine control.
  • a barcode can be used, which is applied for this purpose in the first printing unit 200 to the printing substrate 02.
  • Such a barcode may contain information about the content and / or dimensions of a printed image applied by the first printing unit 200 to the printing substrate 02. This ensures registration, even if, for example, a section length, that is to say a length of applied printed images, is changed in the direction of the transport path of the printing material web 02.
  • the higher-level machine control calculates from the position of this print image the ideal period for driving the nozzles of the printheads 412 of the at least one second printing unit 411. In this way, a register-oriented alignment of the first print image on the first side of the substrate web 02 and second print image on the second page reaches the printing substrate 02.
  • the at least one register sensor based on the transport path of the printing material web 02, is preferably arranged closer to the second central cylinder 401 than to the first central cylinder 201. In this way, as many influences as possible can be taken into account, the substrate web 02 along its transport path between the at least one first Printing unit 211 and the at least one second printing unit 411 is exposed, for example, expansions of the printing substrate 02 along the transport path.
  • the at least one register sensor is designed as at least one area camera. Such an area camera preferably has a sufficiently high resolution to detect register errors and / or registration errors, for example, a better resolution than 0.05 mm.
  • the at least one register sensor is identical to the at least one first print image sensor with which the control of all in the circumferential direction of the first central cylinder 201 successive and / or acting print heads 212 and / or double rows of print heads 212 of the first printing unit 211 is monitored and controlled.
  • At least one second dryer 331 is arranged after the at least one second printing unit 400. After the printing substrate 02 has passed the at least one second printing unit 400, the printing material web 02 is transported further along its transport path and preferably fed to the at least one second dryer 331 of the at least one dryer unit 300.
  • the at least one second dryer 331 is preferably constructed analogously to the at least one first dryer 301.
  • the at least one first dryer 301 and the at least one second dryer 331 are components of the at least one dryer unit 300.
  • an area of action of the at least one first dryer 301 relative to the printing substrate 02 points away from the at least one second dryer 331 and points to the printing material web 02 related Einwirk Scheme the at least one second dryer 331 of the at least one first dryer 301 away.
  • an area of action of the at least one first dryer 301 relative to the printing substrate 02 points away from the at least one second dryer 331 and points to the printing material web 02 related Einwirk Scheme the at least one second dryer 331 of the at least one first dryer 301 away.
  • between the at least one first dryer 301 and the at least one second dryer 331 passes through a section of the transport path of the printing material web 02 passing the at least one first dryer 301 and the at least one second dryer 331.
  • the second side of the printing material web 02 printed by the at least one second printing unit 400 is connected between a last contact point of the printing material web 02 with the second central cylinder 401 of the at least one second printing unit 400 and an area of action of the at least one second dryer 301 with no component of the web.
  • the first printed by the first printing unit 200 already dried and from the second printing unit 400 non-printed, the second central cylinder 401 of at least one second printing unit 400 contacting side of the printing substrate 02 between the last contact of the printing substrate 02 with the second central cylinder 401 of the at least one second printing unit 400 and the Einwirk Scheme the at least one second dryer 331 with at least one guide roller 414 of the at least one second printing unit 400 and / or with at least one deflecting roller 342 of the at least one second dryer 331 in contact.
  • At least one guide roller 414 of the second printing unit 400 is preferably arranged, which deflects the printing material web 02 in a direction that has been displaced in a direction with a greater vertical, preferably downwardly oriented component than optionally present horizontal component from the second central cylinder 401 has a larger horizontal component than optionally present vertical component. In this case, only the first side of the printing material web 02 not printed by the second printing unit 400 is in contact with this at least one deflection roller 414 of the second printing unit 400.
  • This at least one deflecting roller 414 is preferably designed as a fifth measuring device 414, in particular a fifth measuring roller 414.
  • a fifth measuring roller 414 is preferably designed as a fifth measuring device 414, in particular a fifth measuring roller 414.
  • at least one deflection roller 342 of the at least one second dryer 331 is arranged, which the printing material 02 from this direction or another direction with greater horizontal component than any existing vertical component in a direction with greater vertical, preferably upwardly oriented component than any existing horizontal Component deflects.
  • only the first side of the printing material web 02 not printed by the second printing unit 400 is in contact with the at least one deflection roller 342 of the at least one second dryer 331.
  • the structure of the at least one second dryer 331 is similar to the structure of the at least one first dryer 301, in particular with regard to a for Substrate provided transport path and / or training as a flow dryer 331 and / or radiation dryer 331 and / or hot air dryer 331 and / or infrared radiation dryer 331 and / or UV radiation dryer 331.
  • the at least one first dryer 301 is preferably at least partially formed as a radiation dryer 301.
  • the at least one second dryer 331 preferably has at least one second cooling roller 334, which further preferably represents at least one sixth motor-driven rotary body 334.
  • the second cooling roller 334 is driven and / or driven by means of a second cooling roller drive 341.
  • the at least one second dryer 331 is constructed essentially and more preferably completely symmetrically relative to the at least one first dryer 301 with respect to the described components.
  • the at least one second dryer 331 likewise has a ventilation device, which is designed analogously to the ventilation device of the at least one first dryer 301 and / or is coupled or identical to it.
  • the at least one second dryer 331 is preferably part of the same dryer unit 300 as the at least one first dryer 301 and is further preferably arranged in a same housing 329.
  • the dryer unit 300 and thus preferably the at least one first dryer 301 and the at least one second dryer 331 are preferably arranged between the at least one first printing unit 200 and the at least one second printing unit 400.
  • At least one draw-out roller 501 is preferably arranged.
  • the at least one pull-out roller 501 preferably has its own pull-out roller drive 504 trained drive motor 504 on.
  • the at least one pull-out roller 504 preferably represents at least a seventh motor-driven rotary body 504.
  • the at least one pull-out roller 501 preferably forms, together with a pull-out press 502 set and / or engageable with the at least one pull-out roller 501, a pull-out gap 503 in which the printing material web 02 is clamped and through which the printing material 02 is conveyed.
  • the at least one pull-out roller 501 can also be designed as a suction roller.
  • the pull-out press 502 preferably has a lateral surface which consists of an elastic material, for example an elastomer.
  • the pull-out gap 503 is preferably used to control a web tension and / or a transport of the printing material web 02.
  • the at least one remoistening device preferably has at least one first electrode, which preferably electrically charges the printing material web 02.
  • the at least one remoistening device preferably has at least one second electrode, which is oppositely charged to the at least one first electrode and at the or in the immediate vicinity of which water is preferably released in the form of preferably charged water droplets and / or water vapor.
  • the at least one first electrode and / or the charged printing material 02 on the one hand and the at least one second electrode on the other hand together form a capacitor in the electric field, the preferably charged water droplets and / or water vapor are moved to the printing material 02 and moisten them when reaching , This prevents that the printing material web 02 is unnecessarily brittle, in particular, if it is processed further.
  • At least one post-processing device 500 is arranged, which is preferably designed as a folding device 500 and / or a sheet cutter 500 and / or a plan display 500 or is formed as a winding device 500.
  • the printing substrate 02 is preferably folded and / or cut and / or stapled and / or sorted and / or enveloped and / or shipped and / or wound up.
  • the printing material web 02 is preferably guided around in the post-processing device 500 by at least one turning bar 506 or guide roll 506, which is oriented at an angle of 40 ° to 50 ° to a transport direction of the printing material web 02.
  • at least one former 507 is arranged, which provides the printing material web 02, for example, preferably with a longitudinal fold.
  • a transport path of the printing substrate 02 can also bypass the at least one former 507. (Such an alternative transport route is exemplary in the Fig. 10
  • the transport path of the printing substrate 02 preferably follows at least one guide roller 508 and / or at least one pair of conveyor belts 509.
  • the printing substrate 02 is cut into sections by means of a cross-cutting device 511 and these sections are formed by means of a folding blade 512 and a folding roller pair 513 provided with a first transverse fold.
  • the sections are preferably optionally provided and / or stapled and / or trimmed by means of a further folding blade 514, for example a folding blade 514 with an optionally second longitudinal fold. Further or alternative treatments are also possible. In this way, printed products can be produced which have, for example, optionally eight, twelve or sixteen pages.
  • the transport path of the printing substrate 02 by the printing press 01 can be in divide several sections.
  • the transport path of the printing substrate 02 through the roller printing machine 01 are preferably a plurality of contact points between the printing substrate 02 and motor-driven rotary bodies 103; 118; 201; 304; 401; 334; 501 arranged.
  • two such contact points between the printing substrate 02 and motor-driven rotational bodies 103 limit; 118; 201; 304; 401; 334; 501 each section of the transport path of the printing substrate 02 through the printing press.
  • a first such contact point is preferably determined by the Rollenabspulvorraum 100, wherein preferably the roller holding device 103 is the corresponding first motor-driven rotary body 103 and is driven by the drive motor 104 of the Rollenabspulvorraum 100.
  • a second such contact point is preferably defined by the feed gap 119, wherein preferably the draw roller 118 is the corresponding second motor-driven rotary body 118 and is driven by the Switzerlandantriebsmotor 146.
  • a third such contact point is preferably defined by the at least one first central cylinder 201, wherein preferably the at least one first central cylinder 201 represents the corresponding third motor-driven rotary body 201 and is driven by its first drive motor 208.
  • a fourth such pad is preferably defined by the first cooling nip 309, and preferably, the first cooling roller 304 is the corresponding fourth motor driven rotating body 304 and driven by the first cooling roller driving motor 311.
  • a fifth such contact point is preferably determined by the at least one second central cylinder 401, wherein preferably the at least one second central cylinder 401 represents the corresponding fifth motor-driven rotary body 401 and is driven by its drive motor 408.
  • a sixth such pad is preferably defined by the second cooling nip 339, and preferably, the second cooling roller 334 is the corresponding sixth motor driven rotating body 334 and driven by the drive motor 341 configured as the second cooling roller driving motor 341 is.
  • a seventh such contact point is preferably determined by the pull-out gap 503, wherein preferably the pull-out roller 501 represents the corresponding seventh motor-driven rotary body 501 and is driven by the pull-out roller drive 504.
  • a first section of the transport path of the printing material web 02 preferably extends between the first contact point between the printing material web 02 and a motor-driven rotary body 103 and the second contact point between the printing substrate 02 and a motor-driven rotary body 118.
  • a second section of the transport path of the printing substrate 02 preferably extends between the second Contact point between the substrate web 02 and a motor-driven rotary body 118 and the third contact point between the printing substrate 02 and a motor-driven rotary body 201.
  • a third section of the transport path of the printing substrate 02 preferably extends between the third contact point between the printing substrate 02 and a motor-driven rotary body 201 and the fourth Contact point between the substrate web 02 and a motor-driven rotary body 304.
  • a fourth section of the transport path of the printing substrate 02 ve preferably runs between the fourth contact point between the printing substrate 02 and a motor-driven rotary body 304 and the fifth contact point between the printing substrate 02 and a motor-driven rotary body 401.
  • a fifth section of the transport path of the printing substrate 02 preferably extends between the fifth contact point between the printing substrate 02 and a motor-driven Rotation body 401 and the sixth contact point between the printing substrate 02 and a motor-driven rotary body 334.
  • a sixth section of the transport path of the printing substrate 02 preferably extends between the sixth contact point between the printing substrate 02 and a motor-driven rotary body 334 and the seventh contact point between the printing substrate 02 and a motor-driven Rotary body 501.
  • each section of the transport path of the printing substrate 02 is at least one measuring device 141; 216; 214; 416; 414; 343, more preferably a measuring roller 141; 216; 214; 416; 414; 343 assigned.
  • Each of these measuring devices 141; 216; 214; 416; 414; 343, in particular measuring rollers 141; 216; 214; 416; 414; 343 serves to detect the web tension in the corresponding section of the transport path of the printing material web 02 to which the respective measuring roller is assigned.
  • the first section of the transport path starting from the printing material roll 101 connected to the roll holding device 103 in the roll-off device 100, preferably passes first through the dancer roll 113 and through the web edge aligner 114 and preferably around the first measuring roll 141 formed as draw-in measuring roll 141 and into the drawing-in gap 119.
  • a regulation of the web tension in this first section takes place in that the at least one drive motor 104 of the roll holding device 103 is controlled in its rotational speed so that the dancer lever 121 supporting the dancer roll 113 remains in a desired position, for example a middle position.
  • the regulation of the web tension in this first section takes place in that the at least one drive motor 104 of the roll holding device 103 is controlled in its rotational speed such that a value measured by the first measuring device 141, which is preferably the first measuring roll 141, in particular pull-in measuring roll 141 Web tension corresponds to a target value of the web tension.
  • At least one second measuring device 216 is preferably arranged, which preferably serves to measure the web tension in this second section.
  • the second section of the transport path preferably extends from the intake nip 119 around at least one second measuring roller 216 of the first printing unit 200 and around the first deflecting roller 203 and at least partially around the at least one first central cylinder 201 and more preferably into the first impression nip 209 the at least one first printing unit 200.
  • the second measuring device 216 may also be arranged further back along the transport path.
  • the transport path starting from the intake gap 119, initially extends with a greater horizontal than possibly present vertical component over the at least one first printing unit 200 and then with a greater vertical downward pointing than optionally present horizontal component to a height below the at least one first central cylinder 201 and then with a larger horizontal than optionally present vertical component under the rotational axis 207 of the at least one first central cylinder 201 and then around the second measuring roller 216 and the first guide roller 203 to the cylinder surface of the at least one first central cylinder 201 and preferably into the first impression gap 209 ,
  • regulation of the web tension in this second section takes place in that the web tension is measured by means of the second measuring device 216, in particular the second measuring roller 216 and a rotational speed of the tension roller 118 is regulated by means of the traction drive motor 146 such that the web tension is applied the second measuring device 216, in particular second measuring roller 216 assumes a predetermined value.
  • a regulation of the web tension in this second section takes place in that the web tension is measured by means of the second measuring device 216, in particular the second measuring roller 216, and a rotational speed of the first Central cylinder 201 is controlled by the drive motor 208 so that the web tension at the second measuring device 216, in particular second measuring roller 216 assumes the predetermined value.
  • At least one third measuring device 214 is preferably arranged, which preferably serves to measure the web tension in this third section.
  • This third measuring device 214 is preferably designed as a third measuring roller 214.
  • the third section of the transport path preferably extends from the at least one first central cylinder 201 and / or the first impression gap 209 through the at least one first dryer 301 into the first cooling nip 309.
  • the transport path preferably proceeds from the at least one first central cylinder 201 and / or or the first impression gap 209 through the at least one first printing unit 211 and around the at least one deflection roller 214 of the first printing unit 200 formed as the third measuring roller 214 and around the at least one deflection roller 312 of the at least one first dryer 301 and through the at least one first dryer 301 and in the first cooling roll gap 309.
  • a regulation of the web tension in this third section takes place in that by means of the third measuring device 214, in particular third measuring whale ze 214, the web tension is measured and a rotational speed of the at least one first central cylinder 201 is controlled by the drive motor 208 so that the web tension at the third measuring device 214, in particular third measuring roller 214 assumes a predetermined value.
  • a regulation of the web tension in this third section takes place in that the web tension is measured by means of the third measuring device 214, in particular third measuring roller 214 and a rotational speed of the first cooling roller 304 is regulated by means of its first cooling roller drive motor 311 such that the web tension the third measuring device 214, in particular third measuring roller 214 has a predetermined value accepts.
  • At least one fourth measuring device 416 is preferably arranged, which preferably serves to measure the web tension in this fourth section.
  • This fourth measuring device 416 is preferably designed as a fourth measuring roller 416.
  • the fourth section of the transport path preferably extends from the first cooling nip 309 around the at least one fourth measuring roller 416 and around the second deflecting roller 403 and at least partially around the second central cylinder 401 and preferably into the second impression nip 409 of the at least one second printing unit 400.
  • the transport path starting from the first cooling-nip 309, initially extends over the at least one first dryer 301 and the at least one second dryer 331 with a greater horizontal than possibly present vertical component, and then with a greater vertical downward pointing than optionally present horizontal component to a height below the second central cylinder 401 and then with a greater horizontal than optionally present vertical component below the axis of rotation 407 of the second central cylinder 401 therethrough and then to the fourth measuring roller 416 and
  • regulation of the web tension in this fourth section takes place by means of the fourth measuring device 416, in particular the fourth measuring roller 416, the web tension is measured and a rotational speed of the first cooling roller 304 is controlled by means of the first cooling roller drive motor 311 so that the web tension at the fourth measuring device 416, in particular fourth measuring roller 416 assumes a predetermined value.
  • regulation of the web tension in this fourth section preferably takes place in that the web tension is measured by means of the fourth measuring device 416, in particular fourth measuring roller 416, and a rotational speed of the second central cylinder 401 by means of its drive motor 408 is regulated so that the web tension at the fourth measuring device 416, in particular fourth measuring roller 416 assumes a predetermined value.
  • At least one fifth measuring device 414 is preferably arranged, which preferably serves to measure the web tension in this fifth section.
  • This fifth measuring device 414 is preferably designed as a fifth measuring roller 414.
  • the fifth section of the transport path preferably runs from the at least one second central cylinder 401 and / or the second impression gap 409 through the at least one second dryer 331 to a second cooling nip 339.
  • the transport path preferably proceeds from the at least one second central cylinder 401 and / or the second impression gap 409 through the at least one second printing unit 411 and around the at least one deflection roller 414 of the second printing unit 400 formed as the fifth measuring roller 414 and around the at least one deflection roller 342 of the at least one second dryer 331 and through the at least one second dryer 331 and a third chuck roll 337 of a second chiller 333 and a second chill roll 334 into the second chill roll gap 339 formed by the second chill roll 334 and the second chill roll press 336.
  • the second cooling roller 334 has its own second cooling roller drive motor 341.
  • regulation of the web tension in this fifth section takes place in that the web tension is measured by means of the fifth measuring device 414, in particular the fifth measuring roller 414, and a rotational speed of the second central cylinder 401 is regulated by means of its drive motor 408 such that the web tension at the fifth measuring device 414, in particular fifth measuring roller 414 assumes a predetermined value.
  • regulation of the web tension in this fifth section takes place in that the web tension is measured by means of the fifth measuring device 414, in particular the fifth measuring roller 414, and a rotational speed of the second cooling roller 334 is regulated by means of its second cooling roller drive motor 341 such that the web tension at the fifth measuring device 414, in particular fifth measuring roller 414 assumes a predetermined value.
  • At least one sixth measuring device 343 is preferably arranged, which preferably serves to measure the web tension in this sixth section.
  • This sixth measuring device 343 is preferably designed as the sixth measuring roller 343.
  • the sixth section of the transport path extends from the second cooling roll gap 339 between the at least one first dryer 301 and the at least one second dryer 331 and around at least one sixth measuring roll 343 through the pull-out gap 503.
  • a control of Web tension in this sixth section characterized in that by means of the sixth measuring device 343, in particular the sixth measuring roller 343, the web tension is measured and a rotational speed of the second cooling roller 334 is controlled by means of the second cooling roller drive motor 341 so that the web tension at the sixth measuring device 343, in particular sixth measuring roller 343 assumes a predetermined value.
  • a regulation of the web tension in this sixth section takes place in that the web tension is measured by means of the sixth measuring device 343, in particular the sixth measuring roller 343, and a rotational speed of the draw roller 501 is regulated by means of its pull-out roller drive 504 such that the web tension at the sixth Measuring device 343, in particular sixth measuring roller 343 remains constant.
  • the higher-level machine control preferably influences several and more preferably all drive motors 104; 146; 208; 311; 408; 341; 504 with respect to the transport path of the printing substrate 02 preceding and / or subsequent motor-driven rotary bodies 103; 118; 201; 304; 401; 334; 501, as soon as due to a measurement of the web tension at least one such drive motor 104; 146; 208; 311; 408; 341; 504 is influenced.
  • the web tension is regulated independently in the individual sections. This then indirectly results in changes in the web tension in adjacent sections, which are then automatically compensated.
  • At least one drive motor 104; 146; 208; 311; 408; 341; 504 and preferably exactly one drive motor 104; 146; 208; 311; 408; 341; 504 of a motor driven rotary body 103; 118; 201; 304; 401; 334; 501 is preferred as a leading drive motor 104; 146; 208; 311; 408; 341; 504 trained.
  • a rotational speed of the leading drive motor 104; 146; 208; 311; 408; 341; 504 predetermined, more preferably independent of measurements of the measuring rollers 141; 216; 214; 416; 414; 343. More preferably, the pull-out roller drive 504 is the leading drive motor 504.
  • the printing machine 01 which preferably has the at least one first printing unit 200, which preferably has the at least one inkjet printhead 212, the at least one first central printing cylinder 201 and the first, the at least one first central printing cylinder 201 associated first drive motor 208, wherein the Transport path of the printing substrate 02 by the printing machine 01 preferably at least the first and the second section, each of designated contact points of the printing substrate 02 with the motor-driven rotational bodies 103; 118; 201; 304; 401; 334; 501 and / or the motor-driven rotary bodies 103; 118; 201; 304; 401; 334; 501 itself are limited, and wherein preferably at least the first section, the at least one first measuring device 141; 216; 214; 416; 414; 343 for measuring the web tension of the printing substrate 02 in the associated with at least the second section, the at least one second measuring device 141; 216; 214; 416; 414; 343 is assigned to measure the web tension of
  • the first drive motor 208 assigned to the at least one first central pressure cylinder 201 is preferably controllable and / or regulated by the machine control.
  • the at least one inkjet printhead 212 is controllable and / or controlled and / or regulated and / or regulated by means of the machine control.
  • the at least one inkjet printhead 212 is controllable and / or controlled and / or regulated and / or regulated by means of the machine control as a function of at least one rotational angle position of the at least one pressure central cylinder 201. At least one of these sections is preferably delimited by the at least one first central pressure cylinder 201.
  • At least one second printing unit 400 is preferably arranged along the transport path of the printing material web 02 by the printing press 01 after the at least one first printing unit 200, and the at least one second printing unit 400 has the at least one second central printing cylinder 401 and the second, the at least one second pressure cylinder 401 associated drive motor 408.
  • at least one first dryer 301 and then the at least one second printing unit 400 and then the at least one second dryer 331 are arranged along the transport path of the printing material web 02 by the printing press 01 after the at least one first printing unit 200.
  • the second printing unit 400 the at least one, more preferably on the lateral surface of the second central pressure cylinder 401 or at least one transfer body, for example, at least one transfer cylinder and / or at least one transfer belt of the second printing unit 400 aligned, inkjet printhead 412, which controllable by means of the machine control and / or controlled and / or regulated and / or regulated.
  • the at least one inkjet printhead 412 of the second printing unit 400 is controllable and / or controlled by means of the machine control as a function of at least the rotational angle position and / or rotational speed of the at least one first central pressure cylinder 201 and / or the rotational angle position and / or rotational speed of the at least one second central pressure cylinder 401 and / or controllable and / or regulated.
  • a change in the web tension in at least one section of the transport path, which lies between the first pressure central cylinder 201 and the second pressure central cylinder 401, results in a change in a phase position of the at least one first pressure central cylinder 201 and the at least one second pressure central cylinder 401, since the printing substrate is stretched or relaxed and thus shortened, but the transport route remains the same.
  • each section of the transport path of the printing substrate 02 is at least one side and further preferably on both sides of a motor-driven rotary body 103; 118; 201; 304; 401; 334; 501 limited, the drive motor 104; 146; 208; 311; 408; 341; 504 is controlled and / or regulated by the machine control.
  • At least one and more preferably exactly one motor-driven rotary body 103 is preferred; 118; 201; 304; 401; 334; 501, the at least a portion of the transport path of Printing substrate 02 is arranged limiting, regardless of measurements of the measuring devices 141; 216; 214; 416; 414; 343 for measuring the web tension of the printing substrate 02 preferably controlled by the machine control and / or regulated.
  • At least a portion of the transport path of the printing material web 02 is preferably delimited by the motor-driven rotary body 501, which is preferably designed as an extracting roller 501 and is arranged with respect to the transport path to a second pressure central cylinder 401 of a second printing unit 400.
  • this designed as a pull-out roller 501 motor-driven rotary body 501 is independent of measurements of the measuring devices 141; 216; 214; 416; 414; 343 for measuring the web tension of the printing substrate 02 preferably controlled by the machine control and / or regulated. In particular, this specifies a printing speed of the printing press.
  • At least one further motorized rotary body 304 is arranged in contact with the printing material web 02.
  • the web tension in at least one section of the transport path of the printing material web 02 is preferably characterized by at least one rotational speed and / or at least one angular position of at least one rotational body 103 delimiting this section; 118; 201; 304; 401; 334; 501 regulated and / or regulated, the drive motor 104; 146; 208; 311; 341; 408; 504 is controlled and / or regulated by the machine control.
  • the at least one first measuring device 141; 216; 214; 416; 414; 343 as at least a first measuring roller 141; 216; 214; 416; 414; 343 formed and / or is the at least one second measuring device 141; 216; 214; 416; 414; 343 as at least a second measuring roller 141; 216; 214; 416; 414; 343 trained.
  • the at least one first section and the at least one second section of the transport path of the printing material web 02 are preferably bounded in each case by a gap with respect to at least one end, that of at least one motor-driven rotary body 103; 118; 201; 304; 401; 334; 501 and an attached Switzerlandpresseur 117 and / or impression roller 206, 406 and / or chill roller press 306; 336 and / or pull-out press 502 is formed.
  • the printing press 01 arranged portion of the transport path of the printing substrate 02 by the printing press 01 at least one measuring device 141; 216; 214; 416; 414; 343 for measuring the web tension of the printing substrate 02 assigned to the respective section and is by means of the machine control taking into account at least the measurement results of the web tension in all these sections of the transport path of the printing substrate 02 by the printing press 01, the web tension in at least one of these sections and more preferably in each of these Sections of the transport path of the printing substrate 02 controlled by the printing machine 01 and / or regulated.
  • the machine control has access to data on lengths of at least the first section and the second section and more preferably all sections of the transport path of the printing substrate 02 through the printing press and / or data on material properties of the printing substrate 02, such as a modulus of elasticity. More preferably, these data are stored in a data memory and are used to control the web tension.
  • the printing press 01 is designed as a roller-type rotary ink-jet printing machine 01, and at least one transfer body with the at least one first central printing cylinder 201 is arranged to form a transfer nip. Then, preferably, the at least one print head 212 is aligned with the at least one transfer body.
  • the central pressure cylinder 201 is preferably designed as a counter-pressure cylinder in this case.
  • the result is preferably a method for controlling the web tension of the printing substrate 02 along the transport path through the web press 01, wherein the printing machine 01, the at least one first printing unit 200 and wherein the at least one central pressure cylinder 201 of the at least one first printing unit 200 by means of their own in which at least one first central pressure cylinder 201 associated drive motor 208 is driven and wherein from the at least one ink jet print head 212 of the at least one first printing unit 200 ejected ink is transferred to the printing substrate 02 and / or transferable and wherein the transport path of the printing substrate 02 at least the first section and the second portion, each of contact points of the Printing substrate 02 with motor-driven rotational bodies 103; 118; 201 are bounded and wherein by means of at least a first measuring device 141; 216; 214; 416; 414; 343 the web tension of the printing material web 02 is measured in the first section and wherein by means of at least one second measuring device 141; 216; 214; 416; 414;
  • a rotational speed of the at least one first central pressure cylinder 201 associated drive motor 208 is controlled by the machine control.
  • the at least one inkjet printhead 212 of the first printing unit 200 is preferably controlled by the machine control, in particular as a function of at least the rotational angle position of the at least one first central pressure cylinder 201 and / or the at least one inkjet printhead 212 of the first pressure unit 200 is at least one of the at least one by means of the machine control Angular position of the at least one first central pressure cylinder 201 controllable. Further preferably, the at least one inkjet printhead 412 of the second printing unit 400 is also controlled by means of the machine control and / or the at least one inkjet printhead 412 of the second printing unit 400 is also controllable by means of the machine control.
  • the at least one inkjet printhead 412 of the second printing unit 400 is controlled by the machine control as a function of at least one rotational angle position and / or rotational speed of the at least one first central pressure cylinder 201 and / or at least one rotational angular position and / or controlled by a rotational speed of the at least one second central pressure cylinder 401 and / or is the at least one ink jet printhead 412 of the second printing unit 400 by means of the machine control in dependence on at least one rotational angular position and / or rotational speed of the at least one first central pressure cylinder 201 and / or at least one rotational angular position and / or a rotational speed of the at least one second central pressure cylinder 401 controllable.
  • the at least one inkjet printhead 412 of the second printing unit 400 is aligned with a transfer surface of a second printing central cylinder 401 or at least one transfer body, for example at least one transfer cylinder and / or at least one transfer belt of the second printing unit 400.
  • the method is further preferably characterized in that the printing machine 01 is designed as a roller-type rotary ink-jet printing machine 01 and that the at least one transfer body is arranged with the at least one first central printing cylinder 201 forming a transfer nip and that of the at least one ink jet print head 212 ejected Printing ink is transferred to the at least one transfer body before it is later transferred to the standing in contact with the at least one central pressure cylinder 201 printing substrate 02.
  • the method is characterized in that each section of the transport path of the printing substrate 02 at least on one side and more preferably on both sides of one or each motor-driven rotary body 103; 118; 201; 304; 401; 334; 501 is limited, the drive motor 104; 146; 208; 311; 408; 341; 504 is controllable by the machine control and / or regulated by the machine control.
  • the method is characterized in that each with respect Transport path of the printing substrate 02 before the last central pressure cylinder 201; 401 and further preferably arranged in front of the extension roller 501 of the printing machine 01 arranged portion of the transport path of the printing substrate 02 by the printing press 01 at least one measuring device 141; 216; 214; 416; 414; 343 for measuring the web tension of the printing substrate 02 is assigned to the respective section and that by means of the machine control taking into account at least the measurement results of the web tension in all these sections of the transport path of the printing substrate 02 by the printing press 01, the web tension in at least one and preferably more of these sections of the transport path the printing substrate 02 is regulated by the printing machine 01 and / or regulated.
  • the method is characterized in that each with respect to the transport path of the printing substrate 02 before a last central pressure cylinder 201; 401 and more preferably in front of the extension roller 501, the printing press 01 arranged portion of the transport path of the printing substrate 02 by the printing press 01 at least one measuring device 141; 216; 214; 416; 414; 343 for measuring the web tension of the printing substrate 02 is assigned to the respective section and that by means of the machine control taking into account at least the measurement results of the web tension in all these sections of the transport path of the printing substrate 02 by the printing press 01, the web tension in each of these sections of the transport path of the printing substrate 02 by the printing machine 01 is controllable and / or regulated.
  • the method is characterized in that, for regulating the web tension, a rotational angle position and / or a rotational speed of the at least one first central pressure cylinder 201 and / or a rotational angle position and / or a rotational speed of the at least one second central pressure cylinder 401 are derived from nominal values from the machine control to the at least one first drive motor 208 of the at least one first Pressure central cylinder 201 and / or to the at least one second drive motor 408 of the at least one second pressure cylinder 401 can be specified.
  • the method is characterized in that the at least one print head 212 of the at least one first printing unit 200 is aligned and / or aligned with a lateral surface of the at least one first central pressure cylinder 201 or at least one transmission body, for example at least one transfer cylinder and / or at least one transfer belt the at least one print head 412 of the at least one second printing unit 400 is aligned with a lateral surface of the at least one second pressure central cylinder 401 or at least one transmission body, for example at least one transfer cylinder and / or at least one transfer belt.
  • the first cooling nip 309 and / or the second cooling nip 339 are omitted so that said third portion and said fourth portion form a common portion and / or said fifth portion and said sixth portion form a common portion form.
  • the above-described division into sections remains, even if no cooling nip 309; 339 is arranged.
  • a motor-driven rotary body is to be understood in particular as a rotary body whose connection to a motor driving it or an intermediate torque transmitter is independent of contact with the printing material 02.
  • the printing ink is preferably a water-based printing ink, in particular a dispersion printing ink.
  • a lacquer is ejected from at least one print head, preferably a dispersion lacquer.
  • This printhead is, for example, one of the printheads 212 already described; 412 of the first printing unit 200 or the second printing unit 400.
  • at least one further printing unit, in particular painting unit is arranged, which preferably has at least one additional print head.
  • a lacquer is preferably a water-based lacquer, for example a dispersion lacquer.
  • a coating unit is arranged, the paint by rolling contact between substrate 02 and a paint applicator roller transmits to the substrate 02 or is capable of transferring.
  • the transport speed of the printing material web 02 is changed during a printing operation, wherein the at least one print head 212 continues to be operated during this time and in particular ejects printing ink.
  • the at least one print head 212 ejects ink at all, in particular non-zero transport speeds of the printing substrate 02 from.
  • the at least one print head 212 discharges printing ink during all accelerations of the transport speed of the printing material web 02, in particular negative and / or positive accelerations. This is not only relevant in the regulation of the web tension, but also enables the production of usable print products from the beginning of a printing operation. This saves time and material because fewer misprints and / or less unprinted substrate 02 is obtained.
  • the at least one first central pressure cylinder 201 is a for supporting a printing substrate 02 in a first transfer area, in particular a first
  • the at least one second pressure central cylinder 401 is preferably a motor-driven rotary body 401 serving to support a printing material web 02 in a second transfer region, in particular a second transfer region for coating agent.
  • the first and / or the second transfer region is an area , which is intended to produce a contact between substrate 02 and coating agent, for example a target area of at least one nozzle of at least one printhead 212 and / or at least one working area of at least one printhead 212 and / or an entire working area of at least one nozzle bar 213 and / or gap that of the respective master cylinder 201; 401 is formed with an optionally arranged transfer body.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Ink Jet (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (15)

  1. Machine à imprimer rotative (01), dans laquelle ladite machine à imprimer rotative (01) comprend au moins une première unité d'impression (200) et au moins un premier sécheur (301) et dans laquelle ladite au moins une première unité d'impression (200) présente au moins une tête d'impression à jet d'encre (212) et dans laquelle un chemin de transport d'une bande de support d'impression (02) dans la machine à imprimer rotative (01) comprend au moins une première section et une deuxième section délimitées chacune par des corps rotatifs (103; 118; 201; 304; 401; 334; 501) entraînés par moteur, caractérisée en ce que ledit au moins un premier sécheur (301) est réalisé au moins en partie comme sécheur à rayonnement (301) et comporte au moins un dispositif de ventilation et en ce que dans la direction de transport d'une bande de support d'impression (02) au moins un premier dispositif de refroidissement (303) est disposé en aval d'une zone d'action d'au moins une source de rayonnement (302) dudit au moins un premier sécheur (301), laquelle présente au moins un premier cylindre refroidisseur (304) et en ce qu'au moins un des corps rotatif (304) entraînés par moteur est le premier cylindre refroidisseur (304) et en ce que ledit au moins un dispositif de ventilation comporte au moins une conduite d'alimentation en air (317) menant audit au moins un premier sécheur (301) et au moins un échangeur de chaleur et au moins une conduite d'évacuation d'air (318) partant dudit au moins un premier sécheur et en ce que ladite au moins une conduite d'évacuation d'air (318) et ladite au moins une conduite d'alimentation en air (317) sont reliées et/ou peuvent être reliées audit au moins un échangeur de chaleur.
  2. Machine à imprimer rotative (01), dans laquelle ladite machine à imprimer rotative (01) comprend au moins une première unité d'impression (200) et au moins un premier sécheur (301) et dans laquelle un chemin de transport d'une bande de support d'impression (02) dans la machine à imprimer rotative (01) comprend au moins une première section et une deuxième section délimitées chacune par des corps rotatifs (103 ; 118 ; 201 ; 304 ; 401 ; 334 ; 501) entraînés par moteur, caractérisée en ce qu'au moins un des corps rotatifs (103) entraînés par moteur est au moins un dispositif de maintien de bobine (103) et en ce que ledit au moins un premier sécheur (301) est réalisé au moins en partie comme sécheur à rayonnement (301) et comporte au moins un dispositif de ventilation et en ce que dans la direction de transport d'une bande de support d'impression (02) au moins un premier dispositif de refroidissement (303) est disposé en aval d'une zone d'action d'au moins une source de rayonnement (302) dudit au moins un premier sécheur (301), laquelle présente au moins un premier cylindre refroidisseur (304) et en ce qu'au moins un des corps rotatifs (304) entraînés par moteur est le premier cylindre refroidisseur (304) et en ce que ledit au moins un dispositif de ventilation comporte au moins une conduite d'alimentation en air (317) menant audit au moins un premier sécheur (301) et au moins un échangeur de chaleur et au moins une conduite d'évacuation d'air (318) partant dudit au moins un premier sécheur et en ce que ladite au moins une conduite d'évacuation d'air (318) et ladite au moins une conduite d'alimentation en air (317) sont reliées et/ou peuvent être reliées audit au moins un échangeur de chaleur.
  3. Machine à imprimer rotative selon la revendication 2, caractérisée en ce que ladite au moins une première unité d'impression (200) présente au moins une tête d'impression à jet d'encre (212).
  4. Machine à imprimer rotative selon la revendication 1, caractérisée en ce qu'au moins un des corps rotatifs (103) entraînés par moteur est au moins un dispositif de maintien de bobine (103).
  5. Machine à imprimer rotative selon la revendication 1, 2, 3 ou 4, caractérisée en ce qu'au moins un des corps rotatifs (201) entraînés par moteur est au moins un premier cylindre central d'impression (201).
  6. Machine à imprimer rotative (01) selon la revendication 1, 2, 3, 4 ou 5, caractérisée en ce qu'au moins une deuxième conduite d'alimentation en air (317) est présentée, au moyen de laquelle au moins un gaz peut être conduit vers ledit au moins un sécheur par contournement de ladite au moins une conduite d'évacuation d'air (318) et/ou dudit au moins un échangeur de chaleur.
  7. Machine à imprimer rotative selon la revendication 1, 2, 3, 4, 5 ou 6, caractérisée en ce qu'au moins un premier dispositif de mesure (141 ; 216 ; 214 ; 416 ; 414 ; 343) pour la mesure d'une tension de la bande de support d'impression (02) dans la première section est affecté au moins à la première section et en ce qu'au moins un deuxième dispositif de mesure (141 ; 216 ; 214 ; 416 ; 414 ; 343) pour la mesure de la tension de la bande de support d'impression (02) dans la deuxième section est affecté au moins à la deuxième section.
  8. Machine à imprimer rotative selon la revendication 7, caractérisée en ce qu'une commande de machine est présentée, au moyen de laquelle la tension de bande peut être réglée et/ou est réglée au moins dans la première section du chemin de transport de la bande de support d'impression (02) en tenant compte d'au moins un résultat de mesure dudit au moins un premier dispositif de mesure (141 ; 216 ; 214 ; 416 ; 414 ; 343) et d'au moins un résultat de mesure dudit au moins un deuxième dispositif de mesure (141 ; 216 ; 214 ; 416 ; 414 ; 343) et/ou au moyen de laquelle la tension de bande peut être réglée et/ou est réglée au moins dans la deuxième section du chemin de transport de la bande de support d'impression (02) en tenant compte d'au moins un résultat de mesure dudit au moins un premier dispositif de mesure (141 ; 216 ; 214 ; 416 ; 414 ; 343) et d'au moins un résultat de mesure dudit au moins un deuxième dispositif de mesure (141 ; 216 ; 214 ; 416; 414 ; 343).
  9. Machine à imprimer rotative selon la revendication 1, 2, 3, 4, 5, 6, 7 ou 8, caractérisée en ce que ladite au moins une première section et ladite au moins une deuxième section du chemin de transport de la bande de support d'impression (02) sont délimitées chacune par une fente par rapport à au moins une extrémité, laquelle est formée par au moins un corps rotatif (103 ; 118 ; 201 ; 304 ; 401 ; 334 ; 501) entraîné par moteur et un presseur de traction (117) et/ou un presseur (206, 406) et/ou un presseur de cylindre refroidisseur (306 ; 336) et/ou un presseur de sortie (502).
  10. Machine à imprimer rotative selon la revendication 1 et la revendication 8 ou selon la revendication 1 et la revendication 9 ou selon la revendication 2 et la revendication 3 et la revendication 8 ou selon la revendication 2 et la revendication 3 et la revendication 9, caractérisée en ce que ladite au moins une tête d'impression à jet d'encre (212) peut être commandée et/ou est commandée au moyen de la commande de machine en fonction d'au moins une position angulaire de rotation d'au moins un premier cylindre central d'impression (201).
  11. Machine à imprimer rotative selon la revendication 1, 2, 3, 4, 5, 6, 7, 8, 9, ou 10, caractérisée en ce que la première section du chemin de transport de la bande de support d'impression (02) s'étend entre un premier emplacement de contact de la bande de support d'impression (02) avec un premier corps rotatif (103 ; 118 ; 201 ; 304 ; 401 ; 334 ; 501) entraîné par moteur, d'un côté, et un deuxième emplacement de contact de la bande de support d'impression (02) avec un deuxième corps rotatif (103; 118; 201 ; 304; 401 ; 334; 501) entraîné par moteur, de l'autre côté.
  12. Machine à imprimer rotative selon la revendication 11, caractérisée en ce que le premier corps rotatif (201) entraîné par moteur est un premier ou le premier cylindre central d'impression (201) et/ou en ce que le deuxième corps rotatif (304) entraîné par moteur est ledit au moins un cylindre refroidisseur (304).
  13. Machine à imprimer rotative selon la revendication 5 ou selon la revendication 10 ou selon la revendication 12 ou selon au moins un de ces trois revendications et la revendication 1 ou 2 ou 3 ou 4 ou 6 ou 7 ou 8 ou 9 ou 11, caractérisée en ce qu'au moins un premier groupe d'impression (211) est disposé à l'intérieur de la première unité d'impression (200), lequel est agencé de manière à agir et/ou à pouvoir agir et/ou à être aligné et/ou à pouvoir être aligné sur ledit au moins un premier cylindre central d'impression (201).
  14. Machine à imprimer rotative selon la revendication 5 ou selon la revendication 10 ou selon la revendication 12 ou selon au moins une de ces trois revendications et la revendication 6 ou 7 ou 8 ou 9 ou 13, caractérisée en ce que ledit au moins un premier cylindre central d'impression (201) est un corps rotatif (201) entraîné par moteur servant au support d'une bande de support d'impression (02) dans une zone de transfert.
  15. Machine à imprimer rotative selon la revendication 5, 6, 7, 8, 9, 10, 11, 12, 13 ou 14, caractérisée en ce qu'une surface partielle de la surface périphérique dudit au moins un premier cylindre central d'impression (201), prévue comme surface de contact entre au moins un premier cylindre central d'impression (201) et la bande de support d'impression (02), présente un angle d'enroulement d'au moins 270° autour dudit au moins un premier cylindre central d'impression (201).
EP13805318.6A 2012-12-06 2013-12-05 Presse rotative Active EP2928695B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012222488.2A DE102012222488A1 (de) 2012-12-06 2012-12-06 Rollen-Druckmaschine
PCT/EP2013/075604 WO2014086900A1 (fr) 2012-12-06 2013-12-05 Presse rotative

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EP2928695A1 EP2928695A1 (fr) 2015-10-14
EP2928695B1 true EP2928695B1 (fr) 2017-05-03

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WO (1) WO2014086900A1 (fr)

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DE102015213171B3 (de) * 2015-07-14 2017-01-19 Koenig & Bauer Ag Bahnbearbeitungsvorrichtung und ein Verfahren zum Transportieren zumindest einer Materialbahn entlang zumindest eines Bahntransportwegs einer Bahnbearbeitungsvorrichtung
DE102017202665A1 (de) * 2016-03-23 2017-09-28 Heidelberger Druckmaschinen Ag Verfahren zum Tintenstrahldruck
JP6778559B2 (ja) * 2016-09-07 2020-11-04 株式会社ミマキエンジニアリング 発色機及び印刷装置
CN109605917B (zh) * 2019-01-30 2024-03-29 温州欧宏机械有限公司 一种丝印机
CN111439031A (zh) * 2020-05-13 2020-07-24 苏州新锐发科技有限公司 打印设备及方法
CN111731005B (zh) * 2020-06-15 2022-02-01 深圳市贤俊龙彩印有限公司 经书内页制作方法

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CN105073431A (zh) 2015-11-18
EP2928695A1 (fr) 2015-10-14
DE102012222488A1 (de) 2014-06-12
WO2014086900A1 (fr) 2014-06-12

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