EP3411240A1 - Procédé et dispositif d'impression - Google Patents

Procédé et dispositif d'impression

Info

Publication number
EP3411240A1
EP3411240A1 EP17702870.1A EP17702870A EP3411240A1 EP 3411240 A1 EP3411240 A1 EP 3411240A1 EP 17702870 A EP17702870 A EP 17702870A EP 3411240 A1 EP3411240 A1 EP 3411240A1
Authority
EP
European Patent Office
Prior art keywords
printing
print head
printed
axis
print
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17702870.1A
Other languages
German (de)
English (en)
Other versions
EP3411240B1 (fr
Inventor
Andreas SCHMIDT E.K.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to PL17702870T priority Critical patent/PL3411240T3/pl
Publication of EP3411240A1 publication Critical patent/EP3411240A1/fr
Application granted granted Critical
Publication of EP3411240B1 publication Critical patent/EP3411240B1/fr
Priority to HRP20210346TT priority patent/HRP20210346T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
    • 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
    • B41J11/001—Handling wide copy materials
    • 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
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • 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
    • 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
    • B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
    • B41J11/00218—Constructional details of the irradiation means, e.g. radiation source attached to reciprocating print head assembly or shutter means provided on the radiation source
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17513—Inner structure
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17513—Inner structure
    • B41J2002/17516—Inner structure comprising a collapsible ink holder, e.g. a flexible bag
    • 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
    • B41J2203/00—Embodiments of or processes related to the control of the printing process
    • B41J2203/01—Inspecting a printed medium or a medium to be printed using a sensing device
    • B41J2203/011—Inspecting the shape or condition, e.g. wrinkled or warped, of a medium to be printed before printing on it

Definitions

  • the invention relates to a method and a device for printing a large area, in particular a large, located on a non-feedable to a printing substrate surface.
  • a large area in particular a large, located on a non-feedable to a printing substrate surface.
  • examples of such surfaces are building walls, walls of trucks or railway carriages, surfaces on containers or entire ship's side walls.
  • Paint application system over the substrate Ink jet printers are widely used, the ink to be applied being an ink which is sprayed onto the substrate in droplets via nozzles which are controlled by a controller. Several nozzles for different colors can be arranged side by side in the print head, whereby a multi-color print is possible.
  • the printing plane usually corresponds to the horizontal. Because of the feed, the substrate must be flexible at least in the longitudinal direction.
  • flatbed printers are also known.
  • the substrate is clamped in a bed, the printing table.
  • the print head is attached to a cross table, whereby the print head itself in the two directions of a Level is movable.
  • the dimensions of such cross tables are finite and can not be increased arbitrarily, since the axes of the cross table can be stored only at their end points and still have to have a minimum stability. Even with flatbed printers, the substrate is supplied to the printer.
  • the spacing of the printhead in the spatial direction i. perpendicular to the plane spanned by the x- and y-direction and here and in the following called z-direction, constant and precisely defined. This distance is important to get a clean print image.
  • the ink nozzles are focused on this distance.
  • Substrate for example, the wall of a room or building to print.
  • Inkjet printers which are in one direction, here and hereinafter named vertical direction or y-direction, movably mounted on an axis.
  • This axle is mounted on a chassis with the chassis in one direction
  • the printing principle corresponds to that of the large format printer described first:
  • the vertical direction of the print head is realized by its up and down movement in the y direction, while the horizontal direction is realized by the movement of the chassis in the x direction.
  • the printhead now prints a vertical web with a y-directional extent defined by the printhead, i. with a web width in the horizontal direction. For printing one in a horizontal direction
  • the chassis is moved in the x-direction past a wall, while the printhead dwells in the upper or lower end position.
  • Rail system that bridges such bumps.
  • the disadvantage of this is that the rails must be designed and aligned, which means effort, and on the other hand for long walls to be printed long rails are required, which increases the transport cost of the wall printer to a job site, increases the cost of the wall printer and turn the Increased printing effort.
  • the y-axis consists of a profile of a finite length of typically 2 m, the printhead movement being along this axis via a toothed belt.
  • the length of the y-axis is initially not extendable or only with great effort.
  • the attachment and design of the stability of the y-axis is designed for this length, so that a
  • ultrasonic sensors known. These sensors are mounted on the printhead and therefore are only able to detect the distance in real time, ie the moment the printhead is in place. A readjustment based on such a measurement can only be very imperfect because of the dead time between measurement and readjustment.
  • a wall can also have unevenness that can destroy the print head when it collides with them.
  • the y-axis of known wall printers are mounted in the x-direction more or less centrally on the chassis, at least they are not mounted on an x-axis end of the chassis. Thereby it is not possible to print in a corner. In other words, more or less wide, non-printable strips remain in the corners of the room.
  • the rails for the chassis are only straight laid, ie the printing of curvy surfaces is not possible. Also, today it is only possible to print on surfaces that print perpendicular to the ground on which the chassis drives. The printing of differently oriented surfaces, such as ceiling or floor surfaces is not possible. Especially right, it is not possible to print three-dimensionally shaped surfaces, such as vaulted ceilings.
  • the object of the invention is therefore to provide a method for printing a large, in particular located on a non-feedable to a printing substrate large area specify that described above
  • this object is achieved by a method having the features of independent claim 1.
  • Advantageous developments of the method will become apparent from the dependent claims 2-6.
  • the object is further achieved by a device according to claim 7.
  • Advantageous embodiments of the device will become apparent from the dependent claims 8-13.
  • the inventive method is suitable for printing a large, located on a non-feedable to a printing substrate substrate.
  • Surfaces such as walls of buildings, trucks or railway carriages, surfaces on containers, etc., wherein the area to be printed in one direction in printing webs according to the printing width of a printhead is divisible and wherein the printhead on a first axis along a
  • Movement web is movably mounted, the first axis is fixed to a horizontally movable in the x-direction chassis and the surface is printed by the sequential printing of the printing lines.
  • the method is characterized in that the vertical distance A z0 of a reference point of the device determines at several points distributed over the printing web to the surface to be printed and the vertical distance A z of the print head from the surface to be printed at the points distributed over the printing web each one according to one previously recorded measured value.
  • the multiple points can be distributed uniformly over the length of the printing web.
  • the recorded measured values of each printing web can be stored in measurement series for each point measured along the printing web, wherein a trend is determined from the measured values of at least one measurement series, wherein a steering movement of the horizontally movable
  • Chassis is triggered when the trend exceeds a previously defined threshold.
  • a previously defined threshold For example, if the area to be printed is a vertical wall, for example a wall of a living space, substantially perpendicular to the floor surface on which the horizontally movable chassis moves, a steering movement of the chassis will be triggered as the distance of the wall from the undercarriage in the Changed during the movement of the chassis,
  • the wall direction kinks or the wall describes a curve.
  • the measured values of each measurement at a specific height are combined in the control device into measurement series and a trend is calculated. If the trend of at least one series of measurements exceeds a predetermined one
  • Threshold changes is outputted by the control device, a steering pulse to the chassis, so that the distance of the chassis moves from the wall back into the previously defined corridor. In this way, it is possible to print on walls that follow a curve or whose course changes from a direction initially taken
  • the device for carrying out the method has a measuring device for measuring the distance between a reference point of the contactless measurement
  • the device furthermore has a control unit for evaluating the measured values and generating Control pulses for the adjustment of the distance A z of the printhead from the surface to be printed on.
  • the distance A z of the print head In order to be able to set the distance A z of the print head at each location on the printing web so that it is always the same despite unevenness or, for example, non-vertical walls, the distance A z must be determined. This is done in a preferred embodiment without contact, preferably optically, for example with a
  • the printing surface is set so that it always has the same distance A z , it can not collide, for example, with a roughness on this surface.
  • the measurement is made via a reference point of the device.
  • This reference point may, for example, be located on the first axis at which the print head is moved along a print path.
  • the reference point is moved together with the print head along a print path, so that the distance A z0 of the reference point to the corresponding print head positions is known.
  • the reference point can be arranged in the horizontal x-direction next to the print head, so that the distance A z0 of the reference point from the surface to be printed precedes the print head when printing in one direction. This is the preferred printing direction.
  • By anticipating the distance is already measured while the printhead still leaves the previous print path. This gives the control unit a time lead for the calculation of the print head distance A z of the surface to be printed.
  • the first printing web is traversed without activating the print head at the beginning of a printing process, wherein the vertical distance A z0 of a reference point of Printhead at several distributed over the vertical print path points to the surface to be printed vorausilend to the worn off in the measurement
  • Printing web is determined.
  • the printhead travels the first swath of the print image without printing.
  • the printhead is for this ride in a position as far away from the surface to be printed. In this driving only the distance measuring device is active. The recorded
  • starting position of the print head is optically displayed at the beginning of a printing web.
  • the start position of the printhead is optically displayed at the beginning of each print path.
  • the printhead has an optical
  • This optical display device may be, for example, a laser lamp.
  • the optical display device can
  • a laser pointer projects in a conventional manner a point of light on the substrate to be printed and thus indicates at which point the print head is located. If this point is not identical to the point at which the print path begins, the print head can be readjusted accordingly.
  • the device is tempered.
  • the device has a corresponding
  • Tempering The printing is done by a known
  • Inkjet printhead which has several nozzles for example for the
  • the use of different inks is basically possible. Especially when the area to be printed in the
  • a waterproof and UV-stable ink which withstands exposure to rain and irradiation with sunlight for at least a certain time.
  • Such inks can be optimally processed at a temperature of about 43 ° C, the possible processing temperature interval is about 1 K. It has proven to be advantageous if the ink is stored in bags and conveyed from bags, the bags are made of an aluminum alloy.
  • the ink bags are stored in the device on a single surface heating in the form of boards, wherein the
  • Heating power of the surface heating systems are regulated, with the respective
  • Actual temperature of the surface heating is detected by a sensor and the information is fed to a control device.
  • the aluminum alloy of the ink bags have a good thermal conductivity, so that the ink temperature can be controlled very well by the surface heating temperature.
  • the print head via a
  • the device shaded by UV radiation when it is not active.
  • the device has a movable shading device.
  • Inks which have good water resistance and UV stability, as well as good color brilliance and abrasion resistance properties, are for example UV-curing. After the ink has been applied to the substrate, it cures under UV light, i. polymerize the monomers in the paint and the
  • the device has a device, for example in the form of a displaceably mounted plate, which can be pushed over the print head when it is inactive. Does the print head have multiple nozzles?
  • the plate can several different colors. For example, for different colors, so the plate can several different colors.
  • the plate is a stainless steel sheet having a possible travel of, for example, 4 mm.
  • the print head is pivoted in dependence on the orientation of the surface to be printed, so that the print head is always in the
  • Walls of buildings for example, have projections or recesses, wherein the wall course at an angle in the direction of projection or depression emotional.
  • By pivoting the print head it is possible to print even those running at an angle wall parts. It is also possible to print on ceilings or floors. In particular, it is also possible, for example
  • a device for printing large, in particular located on a non-feedable to a printing device substrate surface, such as walls of buildings, trucks or railway carriages, surfaces on containers, etc., in one direction in pressure paths according to the printing width of a printhead einteilbaren surface, said the printhead is movably mounted on a first axis along a printing web, the first axis being fixed to a chassis movable in the horizontal x-direction, and the surface being printable by the sequential printing of the printing webs, characterized in that the distance A z of the print head of the surface to be printed is adjustable and the device comprises a measuring device for contactless measurement of the distance A z0 between a reference point of the device and the surface to be printed and the device further comprises a control unit for evaluation the measured values and generating
  • Control pulses for adjusting the distance A z of the print head from the surface to be printed are adjusting the distance A z of the print head from the surface to be printed.
  • the chassis is movable in the horizontal x-direction, wherein the chassis is designed steerable and the device further comprises a control unit for calculating the steering angle of the chassis.
  • the recorded measured values of each printing web for each point measured along the printing web are stored in measurement series, and a trend is determined from the measured values of at least one measurement series, wherein a steering movement of the chassis movable in the horizontal direction is changed if the trend exceeds a previously defined threshold.
  • the print head to at least 180 ° pivotable about the
  • Horizontal is movably mounted on a third axis along a pressure path. Due to the pivoting of the print head, it is possible to print in the room inclined surfaces. It is also possible to print walls or floors. Finally, it is even possible to print surfaces whose spatial orientation changes continuously, as is the case with vaults, for example.
  • the device has a
  • extendible first axis for the movement of the print head along a
  • a unit supporting the print head in one embodiment, includes a servo motor which drives a gear meshing with the first axis rack, whereby the unit supporting the print head is very precisely and smoothly movable along the first axis, even if the first axis extends is.
  • the device has a second axis for adjusting the distance A z of the print head from the
  • the second axis is part of the unit which carries the print head. It has proven to be advantageous if the spindle of a servomotor
  • the distance A z of the print head from the surface to be printed can be set very precisely and quickly.
  • the chassis has wheels that allow it to stand on a ground and move in a horizontal x-direction. It has proved to be advantageous if the chassis has at least three, in particular four wheels, wherein the wheels are arranged at its respective corners. Each wheel can have adjustable height compensation.
  • the chassis itself may have a measuring device with which the horizontal orientation of the chassis is verifiable.
  • the chassis may have at its corners in the vicinity of the respective wheel via a distance measuring device. This is preferably non-contact, preferably designed as an optical measuring device.
  • the chassis may have a control device on the function of the measurement results of each distance measuring device, the height compensation of each wheel can be activated so that the chassis leveled itself at any time, especially if the floor is tiled, for example, and has deeper joints between the tiles.
  • an activated affects
  • the device can have a device for displacing the print head in the direction or opposite to the direction of the movement direction of the chassis, in particular via a third axis in this direction.
  • This third axis can serve to move the print head to the end points or over the end points of the chassis in the direction of movement of the chassis. Is the area to be printed, for example, a wall of a
  • the chassis is able to move forwards and backwards in the direction of movement. It has an engine for this purpose.
  • This motor can be a stepper motor or a servomotor. You can move one or more wheels
  • the one or more wheels may be driven directly or via a gear, wherein the wheel or wheels may be rigidly or via a transmission member, such as a chain or a belt, such as a toothed belt, connected to the engine.
  • a transmission member such as a chain or a belt, such as a toothed belt
  • the alternatives are to swing only the printhead or a
  • Print Head Carrying Unit consisting of the third axis with orientation in
  • Fig. 1 An inventive device in a three-dimensional schematic diagram
  • Fig. 2 The device according to the invention in a plan view when printing a wall surface
  • Fig. 3 The device according to the invention in a plan view when printing a wall surface near a wall corner
  • FIG. 4 shows a printhead 200 according to the invention in a schematic diagram
  • the device 100 has a chassis 1 10 which is movable on four wheels 1 1 1 in the horizontal x-direction on the floor 400. At the corners of the chassis 110, a distance measuring device (not shown) is provided near each wheel. This optically measures the distance to the ground 400 and forwards the measurement signal to a controller (not shown). Each wheel 1 1 1 has an adjustable height compensation (not shown).
  • a distance measuring device (not shown) is provided near each wheel. This optically measures the distance to the ground 400 and forwards the measurement signal to a controller (not shown).
  • Each wheel 1 1 1 has an adjustable height compensation (not shown).
  • the device 100 further has a first axis 120 in the y-direction.
  • This first axis 120 has a rack which is mounted in the y-direction on the axis.
  • the first axis 120 may be implemented in a standard industry profile, with the
  • the first axis 120 is extendible by attaching one or more axis modules, which may also be implemented in the standard industry profile, to the first axis.
  • the attachable axis modules also have a rack.
  • the first axis 120 in the non-elongated embodiment is about 2.50 meters long, allowing it to be used in residential buildings with standard ceiling heights. If higher areas 300 are to be printed, for example, in a commercial property or on an external facade, the first axis 120 can be extended with corresponding axis modules so that printing lines of more than 2.50 m in length can also be printed.
  • a second axis 130 is attached via a slide 121 with a main extent in the z-direction.
  • the carriage 121 has a drive in the form of a servomotor and a meshing with the rack of the first axis 120 gear.
  • a printing web in y-direction can be traversed by the print head 200 and printed.
  • the device 100 can be moved by means of the chassis 1 10 by a printing web width in the x direction, so that the next printing web can be printed.
  • Attached to the carriage 121 is a measuring device 190 in the form of a laser rangefinder. This measuring device sends a measuring beam 192 in the direction of
  • Control device of the device 100 is sent, where it is stored.
  • the second axis 130 has a spindle.
  • In the carriage 121 is another servo motor for driving the spindle.
  • Reference point distance A z0 in the control unit can be close to the current distance A z of the print head 200 of the surface to be printed 300.
  • the servo motor and spindle allow this distance to be set quickly and precisely to a preset value set in the control unit. As a result, the distance A z of the print head from the to
  • an axle head 131 is attached to the end facing the surface to be printed 300. This axle head 131
  • the print head 200 houses a servomotor, which has a third axis 140 with alignment in x direction, ie the direction of movement of the chassis 1 10, drives.
  • the print head 200 is movably mounted in the x direction.
  • the print head 200 can be moved independently of the movement of the chassis 1 10 in the x direction. This is advantageous when it is to be printed in a wall corner, with a non-printable area to be minimized.
  • the third axis 140 is pivotally mounted on the axle head 131, wherein the pivoting range is at least 180 °. Thereby, the print head 200 can both be pivoted upwards, whereby, for example, a ceiling
  • the second axis 130 is rotatably mounted together with the axis head 131, third axis 140 and printhead 200 in the carriage 121, wherein the rotational movement is at least 90 °, so that at a corresponding rotation up the ceiling printable is.
  • FIG. 2 shows the device 100 when printing on a wall surface 300 in a plan view from above. At least two wheels 1 1 1 are steerable, so the
  • Chassis can also follow a curvy wall.
  • the device has a control unit for calculating the steering angle of the chassis 1 10.
  • the recorded measured values A z0 of each printing web for each point measured along the printing web are stored in measurement series and a trend is determined from the measured values of at least one measurement series, wherein a
  • Steering movement of the horizontally movable chassis 1 10 is changed when the trend exceeds a previously defined threshold.
  • FIG. 3 shows the device 100 when printing on a wall surface 300 in a plan view from above, wherein the device 100 is located in a corner formed by two walls.
  • the printhead 200 is moved to the corner end of the third axis 140 to print into the corners and to minimize or even eliminate the areas of the wall 300 in the direction of travel of the chassis 100 that are not to be printed due to the necessary expansion of the chassis 100
  • 4 shows a printhead 200 according to the invention in a schematic diagram.
  • the printhead 200 has four nozzles 220 located behind a shadow plate 210.
  • the Abschattplatte 210 has four slots 21 1, wherein the Abschattplatte 210 is slidably mounted in a guide 212 in the y-direction, so that the nozzle 220 shaded by the Abschattplatte against UV radiation, when the nozzles are inactive.
  • the print head 200 has a laser pointer 230, by means of which the position of the print head 200 can be displayed at the beginning of a printing web on the substrate to be printed.
  • the print head 200 has printed circuit boards 240, which are arranged in a row above one another in the interior of the print head 200.
  • the boards 240 have a tempering device. Certain inks can be optimally processed at a temperature of approx. 43 ° C.
  • the ink is stored in bags and conveyed, the bags are made of an aluminum alloy.
  • the ink bags are stored in the printhead 200 on individual area heaters disposed on the boards 240.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Ink Jet (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Printers Characterized By Their Purpose (AREA)

Abstract

L'invention concerne un procédé et un dispositif permettant d'imprimer une surface importante et située en particulier sur un substrat ne pouvant pas être acheminé jusqu'au dispositif d'impression. Ledit procédé se caractérise en ce que l'écart vertical Azo d'un point de référence du dispositif (100) en plusieurs points répartis sur la bande d'impression par rapport à la surface (300) à imprimer, est déterminé à chaque fois aux points répartis sur la bande d'impression et en ce que l'écart vertical A zde la tête d'impression (200) par rapport à la surface (300) à imprimer est ajusté conformément à une valeur mesurée enregistrée au préalable. A cet effet, les divers points peuvent être répartis de manière homogène sur la longueur de la bande d'impression. Le dispositif (100) utilisé pour mettre ledit procédé en œuvre présente un dispositif de mesure (190) pour mesurer sans contact l'écart entre un point de référence du dispositif (100) et la surface (300) à imprimer. Le dispositif (100) présente en outre une unité de commande pour évaluer les valeurs mesurées et produire des impulsions de commande pour ajuster l'écart A zde la tête d'impression (200) par rapport à la surface (300) à imprimer.
EP17702870.1A 2016-02-05 2017-02-03 Procédé et dispositif d'impression Active EP3411240B1 (fr)

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PL17702870T PL3411240T3 (pl) 2016-02-05 2017-02-03 Sposób drukowania oraz urządzenie drukujące
HRP20210346TT HRP20210346T1 (hr) 2016-02-05 2021-03-01 Postupak tiskanja i uređaj za tiskanje

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DE102016201821.3A DE102016201821A1 (de) 2016-02-05 2016-02-05 Druckverfahren und Druckvorrichtung
PCT/EP2017/052326 WO2017134193A1 (fr) 2016-02-05 2017-02-03 Procédé et dispositif d'impression

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CA (1) CA3012904C (fr)
DE (1) DE102016201821A1 (fr)
DK (1) DK3411240T3 (fr)
ES (1) ES2856885T3 (fr)
HR (1) HRP20210346T1 (fr)
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JP6783284B2 (ja) * 2018-10-17 2020-11-11 株式会社大気社 自動描画システム及び自動描画システムの運転方法
CN113382877B (zh) * 2019-02-01 2023-04-07 艾斯提匹勒股份公司 打印流体的方法
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US20220242141A1 (en) * 2021-02-04 2022-08-04 Dongdong PAN Wall printing apparatus and method
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CN216330111U (zh) * 2021-10-29 2022-04-19 深圳市纵维立方科技有限公司 一种打印装置

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CA3012904C (fr) 2022-06-28
PL3411240T3 (pl) 2021-07-05
CN109070603A (zh) 2018-12-21
WO2017134193A4 (fr) 2017-09-28
US20190039386A1 (en) 2019-02-07
CN109070603B (zh) 2020-06-23
EP3411240B1 (fr) 2020-12-23
HRP20210346T1 (hr) 2021-04-16
WO2017134193A1 (fr) 2017-08-10
CA3012904A1 (fr) 2017-08-10
DE102016201821A1 (de) 2017-08-10
DK3411240T3 (da) 2021-02-22
ES2856885T3 (es) 2021-09-28
US11084301B2 (en) 2021-08-10
PT3411240T (pt) 2021-03-03

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