EP2769848A2 - Procédé de génération d'une image imprimée - Google Patents

Procédé de génération d'une image imprimée Download PDF

Info

Publication number
EP2769848A2
EP2769848A2 EP14153913.0A EP14153913A EP2769848A2 EP 2769848 A2 EP2769848 A2 EP 2769848A2 EP 14153913 A EP14153913 A EP 14153913A EP 2769848 A2 EP2769848 A2 EP 2769848A2
Authority
EP
European Patent Office
Prior art keywords
printing
nozzles
printing unit
change
ink jet
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
EP14153913.0A
Other languages
German (de)
English (en)
Other versions
EP2769848A3 (fr
EP2769848B1 (fr
Inventor
Jörg-Achim FISCHER
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP2769848A2 publication Critical patent/EP2769848A2/fr
Publication of EP2769848A3 publication Critical patent/EP2769848A3/fr
Application granted granted Critical
Publication of EP2769848B1 publication Critical patent/EP2769848B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4073Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/21Ink jet for multi-colour printing
    • B41J2/2132Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
    • B41J2/2135Alignment of dots
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4073Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
    • B41J3/40733Printing on cylindrical or rotationally symmetrical objects, e. g. on bottles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/54Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
    • B41J3/543Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements with multiple inkjet print heads

Definitions

  • the present invention relates to a method for producing a printed image having the features of the preamble of claim 1.
  • the invention is in the technical field of printing, in particular the printing of three-dimensional bodies by means of a plurality of ink jet printing units.
  • an object of the present invention to provide a method for producing a printed image which is improved compared with the prior art and makes it possible to produce a substantially trouble-free printed image on the object with at least two ink-jet printing units spaced apart in the conveying direction of an object to generate, in particular for the case that the object undergoes an undesirable change in position on the way from the first to the second printing unit.
  • An inventive method for producing a printed image on an object to be printed wherein for printing the object, a first ink jet printing unit having a first array of ink jet nozzles and a second ink jet printing unit with a second array of ink jet nozzles and for conveying the object a conveying unit being used in a conveying direction, wherein the first field and the second field extend substantially perpendicular to the conveying direction and partially overlap in an overlapping area, comprising the steps of: printing a first section of the printed image with the first printing unit on a first printing unit Position, - conveying the object from the first position to a second position spaced from the first position Position, and - printing a second portion of the print image with the second printing unit at the second position, characterized by the further steps of: - measuring a first position value of the object at the first position and a second position value of the object at the second position, - Determining a positional change of the object substantially perpendicular to the conveying direction using the first and second position values, and
  • the method according to the invention advantageously makes it possible to produce a substantially trouble-free printed image on the object with the ink-jet printing units spaced apart from one another in the conveying direction of the object.
  • An undesired change in position of the object is thereby determined from measured values and compensated in an advantageous manner:
  • An intended overlap of the nozzle fields according to the invention is used to produce e.g. to avoid bright stripes in the printed image in an advantageous manner. If an undesired change in position of the object necessitates a countermeasure, nozzles in the overlap area are, so to speak, switched on and the print image or the second section is "pushed towards the first section".
  • the second printing unit is preferably supplied with the compensation corresponding, that is, to some extent also "shifted", printing data.
  • a preferred development of the method according to the invention can be distinguished by the fact that the object is a three-dimensional body and the printed image is generated on its outer surface.
  • the invention is currently in the printing of three-dimensional objects, e.g. Bottles, because such bodies can often be conveyed less precisely than e.g. flat, essentially two-dimensional substrates and compensation measures may be required.
  • a preferred development of the method according to the invention can be distinguished by the fact that the second ink-jet printing unit additionally experiences a change in position to compensate for a change in position of the object whose value is smaller than the printing resolution of the second printing unit. If, despite compensation by the use of the overlap nozzles still unwanted disturbances in the printed image are to be expected, the second printing unit can advantageously undergo an additional change in position, i. be moved in a balancing position. Such a compensation movement can preferably take place using a piezo actuator.
  • inventive method can also be described by the following synonymous main claim or its combination of features: A method for generating a printed image with two sections on a three-dimensional object using ink jet nozzles, wherein a change in position of the object between the printing of the sections by the use of additional Ink jet nozzles is compensated.
  • FIG. 1 also shows a first ink jet printing unit D1 and a second ink jet printing unit D2: printing unit D1 prints at position P1 and printing unit D2 at position P2.
  • Printing unit D1 prints an "upper" first section A1.
  • Printing unit D2 prints a "lower” second section A1.
  • Printing unit D1 has a first field F1 of ink jet nozzles and printing unit D2 has a second field F2 of ink jet nozzles. Both printing units can preferably be constructed identically.
  • the nozzles of the two fields are each arranged on a straight line G1 or G2, which runs essentially perpendicular to the conveying direction 5.
  • Bottles 3 in bottling plants are partly conveyed on circular tracks 5.
  • the representation in the figure can be understood as a side view of such a circular path.
  • the printing units D1 and D2 would then be arranged substantially tangentially to the circular path 5 and directed radially to the bottles.
  • the object 3 is at a height H1, which is measured as a first position value.
  • the term "height" in this application does not say anything about the orientation of the object in space. If the object shown were lying instead of standing transported and the two printing units D1 and D2 would also be lying instead of standing arranged, so the "height" would not be measured in the vertical, but in the horizontal direction (parallel to the then lying straight lines G1 and G2) , Further note: The height H1 is shown in the figure for reasons of clarity at the top of the plate 4. However, the measurement of the height H1 is effected by means of a first measuring unit M1 at a measuring mark 7, which can be attached to the object or to the plate or at another point of the conveying unit 4.
  • the object 3 is at a height H2, which is measured as a second position value (corresponding to the first position value).
  • H2 the plate 4 and thus also the object 3 undergoes a change in position "upward" during conveyance in the conveying direction 5.
  • Both position values are therefore supplied to a control device 8 via data connections (indicated only by short dashes).
  • the control device can now determine a position change Delta_H from the two position values H1 and H2, for example by subtraction. This change in position can now be used according to the invention for compensation during printing.
  • the two printing units D1 and D2 In order to be able to carry out the compensation according to the invention, it is necessary for the two printing units D1 and D2 to have an overlapping area L in which the nozzle fields F1 and F2 overlap, ie by arranging both nozzles of the field F1 and nozzles of the field F2 are. Since, in the example shown, the object 3 has undergone a positional change Delta_H "upward", according to the invention the second section A2 is printed essentially seamlessly on the first section A1 by activating one or more nozzles 9 of the second field F2 in the overlap area.
  • the number of nozzles 9 activated for the compensation is determined by the control unit 8: The number corresponds to the position change Delta_H, ie so many nozzles 9 are used for the compensation that the width of their pressure range essentially corresponds to the position change Delta_H.
  • the Printing unit D2 activates a complementary number of nozzles outside the overlap area, so that the entire second section A2 can be printed.
  • the respectively active nozzles ie those involved in the respective printing of the sections A1 and A2, of the fields F1 and F2 are shown dark.
  • the information Delta_H is thus used to define the active pressure nozzles.
  • the difference H2-H1 (e.g., in microns) is e.g. is converted into a digital value K (e.g., the concrete value 2) which is a K-fold (corresponding to, for example, 2 times) the printing resolution of the two printing units.
  • This digital value is routed to a multiplexer.
  • the multiplexer has an input with n channels, which is supplied with the n print data for the print image with n pixels (perpendicular to the conveying direction 5). Each channel controls a nozzle.
  • the output is connected to the n inputs of the printhead.
  • the multiplexer may be part of the control unit 8.
  • Control unit 8 can cause an adjustment of the printing unit D2 via a fast and highly accurate piezo actuator 10, which is finer than the printing resolution. As a result, a compensation of the hitherto not compensated remainder of the position change Delta_H is possible.
  • a middle printing unit of the printing line would thus be divided into two parts: arranged once to one side and once to the other neighboring printing unit (as in FIG FIG. 1 shown).
  • a plurality of printing lines from at least two laterally arranged printing units are arranged consecutively in the conveying direction and that the individual printing lines print different colors, eg CMYK printing lines for four-color printing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Ink Jet (AREA)
EP14153913.0A 2013-02-25 2014-02-05 Procédé de génération d'une image imprimée Active EP2769848B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013003181.8A DE102013003181A1 (de) 2013-02-25 2013-02-25 Verfahren zum Erzeugen eines Druckbildes

Publications (3)

Publication Number Publication Date
EP2769848A2 true EP2769848A2 (fr) 2014-08-27
EP2769848A3 EP2769848A3 (fr) 2018-03-21
EP2769848B1 EP2769848B1 (fr) 2020-06-03

Family

ID=50068836

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14153913.0A Active EP2769848B1 (fr) 2013-02-25 2014-02-05 Procédé de génération d'une image imprimée

Country Status (3)

Country Link
EP (1) EP2769848B1 (fr)
CN (1) CN104002562B (fr)
DE (1) DE102013003181A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3023253A1 (fr) * 2014-11-18 2016-05-25 Krones AG Procede et dispositif pour l'impression a jet d'encre sur des recipients
EP3147129A1 (fr) * 2013-01-31 2017-03-29 Krones AG Procédé et dispositif d'impression de récipients
EP4091827A4 (fr) * 2020-01-17 2023-07-05 ALTEMIRA Co., Ltd. Système d'impression de corps de boîte, appareil d'impression de corps de boîte, et corps de boîte

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104441986B (zh) * 2014-12-15 2017-03-29 北京美科艺数码科技发展有限公司 喷墨打印装置及喷墨打印方法
DE102016212521A1 (de) * 2016-07-08 2018-01-11 Krones Ag Verfahren und Vorrichtung zum mehrfarbigen Tintenstrahldruck auf Behälter
CN108608741A (zh) * 2018-05-09 2018-10-02 海宁市金九数码科技有限公司 一种便于柱状物体喷印的喷印机
CN110239245B (zh) * 2019-07-30 2021-06-01 深圳市金升彩包装材料有限公司 一种基于物联网的不规则三维曲面彩色印刷方法
JP7517938B2 (ja) * 2020-10-02 2024-07-17 アルテミラ株式会社 印刷装置
CN112644177B (zh) * 2020-12-29 2024-12-13 东莞市图创智能制造有限公司 沿周向打印的打印设备
CN114474994B (zh) * 2021-12-28 2023-08-18 东莞市图创智能制造有限公司 沿周侧面打印的打印设备及控制方法

Citations (1)

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Publication number Priority date Publication date Assignee Title
US7955456B2 (en) 2008-04-17 2011-06-07 Heidelberger Druckmaschinen Ag Method for printing a blister film web in a packaging machine

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FR2724591B1 (fr) * 1994-09-16 1997-01-31 Neopost Ind Systeme de reglage par effet vernier d'une tete d'impression a jet d'encre dans une machine d'affranchissement
WO2004016438A1 (fr) * 2002-08-19 2004-02-26 Creo Il. Ltd. Jet d'encre a debit continu utilise dans l'impression d'une surface tridimensionnelle courbe
US6942308B2 (en) * 2003-10-10 2005-09-13 Hewlett-Packard Development Company, L.P. Compensation of lateral position changes in printing
US7517052B2 (en) * 2003-12-15 2009-04-14 Canon Kabushiki Kaisha Ink-jet head and ink-jet recording apparatus using the head
US7510252B2 (en) * 2004-10-28 2009-03-31 Hewlett-Packard Development Company, L.P. Method of hiding inkjet printhead die boundaries
EP1892107B1 (fr) * 2006-08-25 2009-11-04 Homag Holzbearbeitungssysteme AG Dipositif pour imprimer un motif sur des pièces d'usinage
DE102006019441B4 (de) * 2006-04-24 2013-06-20 Khs Gmbh Verfahren sowie Vorrichtung zum Bedrucken von Behältern
DE102009033810A1 (de) * 2009-07-18 2011-01-27 Till, Volker, Dipl.-Ing. Anlage zum Bedrucken von Behältern
DE102010020958B4 (de) * 2010-05-19 2012-05-03 Khs Gmbh Vorrichtung sowie Verfahren zum Bedrucken, insbesondere zum mehrfarbigen Bedrucken von Behältern
DE102010036957B4 (de) * 2010-08-12 2013-07-11 OCé PRINTING SYSTEMS GMBH Druckvorrichtung mit versetzten Druckköpfen und Verfahren zum Einrichten dieser Druckvorrichtung
JP5891602B2 (ja) * 2011-04-28 2016-03-23 東洋製罐株式会社 インクジェット印刷装置及びこれを用いたシームレス缶の印刷方法
CN202208188U (zh) * 2011-08-29 2012-05-02 深圳市太和物联信息技术有限公司 适用于多面体的往复式数码喷印平台
DE102012101432A1 (de) * 2012-02-23 2013-08-29 OCé PRINTING SYSTEMS GMBH Verfahren zur Einstellung mindestens eines Druckkopfes in einer Druckkopfanordnung bei einem Tintendruckgerät
DE102012005046A1 (de) * 2012-03-15 2013-09-19 Till Gmbh Verfahren zum Feststellen von Fehlern in der Ausrichtung von Druckbildern und zur Durchführung des Verfahrens eingerichtete Druckstation

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Publication number Priority date Publication date Assignee Title
US7955456B2 (en) 2008-04-17 2011-06-07 Heidelberger Druckmaschinen Ag Method for printing a blister film web in a packaging machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3147129A1 (fr) * 2013-01-31 2017-03-29 Krones AG Procédé et dispositif d'impression de récipients
EP3023253A1 (fr) * 2014-11-18 2016-05-25 Krones AG Procede et dispositif pour l'impression a jet d'encre sur des recipients
US9802424B2 (en) 2014-11-18 2017-10-31 Krones Ag Method and device for inkjet printing on containers
EP4091827A4 (fr) * 2020-01-17 2023-07-05 ALTEMIRA Co., Ltd. Système d'impression de corps de boîte, appareil d'impression de corps de boîte, et corps de boîte

Also Published As

Publication number Publication date
EP2769848A3 (fr) 2018-03-21
EP2769848B1 (fr) 2020-06-03
DE102013003181A1 (de) 2014-08-28
CN104002562B (zh) 2017-04-12
CN104002562A (zh) 2014-08-27

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