EP4010154A1 - Verfahren zum vereinzeln von gemeinsam auf einen bogen gedruckten druckprodukten - Google Patents
Verfahren zum vereinzeln von gemeinsam auf einen bogen gedruckten druckproduktenInfo
- Publication number
- EP4010154A1 EP4010154A1 EP20734665.1A EP20734665A EP4010154A1 EP 4010154 A1 EP4010154 A1 EP 4010154A1 EP 20734665 A EP20734665 A EP 20734665A EP 4010154 A1 EP4010154 A1 EP 4010154A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- printed
- cutting
- cutting system
- printed products
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
- B26D5/30—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
- B26D5/32—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier with the record carrier formed by the work itself
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
- B41F13/56—Folding or cutting
- B41F13/58—Folding or cutting lengthwise
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/007—Control means comprising cameras, vision or image processing systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
- B41F13/56—Folding or cutting
- B41F13/60—Folding or cutting crosswise
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
Definitions
- the invention relates to a method for separating printed products that are jointly printed on a sheet.
- DE 102008054019 A1 discloses a method for setting the cutting register of a web-fed rotary printing press with at least one printing unit and at least one downstream cross-cutting device, at least one web of printing material being guided over a path from the printing unit to the cross-cutting device via a path defined for the respective production and being cross-cut there an actual position of this cut is determined for a subject, the actual cut position is compared with a nominal cut position and the cut register can be set according to a positional deviation determined in this way, and in order to determine the actual cut position by means of at least one sensor, which is in the web path by a Remaining section is arranged in front of the cross-cutting device, position information on the printing substrate web representing the position of the cut relative to the subject is detected, with a cut occurring in the remaining section between the sensor and the cross-cutting device Itt errors are estimated as a function of detected, determined and / or previously known variables and the positional deviation determined with the sensor or the setting of the cutting register is corrected by this estimated additional cutting
- DE 102012 017636 A1 discloses a method for determining the machine-dependent finishing requirement of the punching and / or embossing machine with the following steps: a) Computational subdivision of the total area of a finishing sheet, in particular by means of a uniform grid, into a large number of partial areas, Detection of the position and thickness of dressing strips and dressing papers on one Trimming sheets, c) repeating step b) for a plurality of trimming sheets used in the punching and / or embossing station, d) calculating the mean value of the thickness of the trimming strips and trimming papers in a respective partial area to determine a trimming requirement profile.
- DE 102005012 913 A1 discloses printing machines with at least one machine element that can be adjusted with an actuator, an adjustment of the at least one machine element acting on a quality of a print performed by the printing machine, an optical detection device with a printed on a surface of a printing machine Printing substrate-oriented sensor detects the quality of the print and wherein a data from the optical detection device received control device with the actuator the at least one machine element depending on a difference between a target value predetermined quality of the print and the actual value detected by the optical detection device quality of the print in a adjusts the difference between the target value and the actual value in a minimizing manner.
- a web-fed printing machine is known from WO 2003/082 574 A1, comprising: at least one flexographic printing module which can exert movement and tension on a roll substrate to varying degrees; at least one gravure module capable of exerting movement and tension to varying degrees on a roller substrate; and means for controlling the amount of motion and tension exerted on the roll substrate by the flexographic printing module and the gravure printing module.
- WO 2001/015091 A2 discloses a method and a device for processing copies in which a print image of a printing material printed with multiple copies is checked by means of an inspection device and the printing material is separated into its individual copies and defective copies are separated out.
- WO 2002/048014 A1 discloses a device for separating copies of a printed sheet and separating out defective copies, comprising a first cutting device for cutting the sheet printed with a plurality of copies into a plurality of longitudinal strips each comprising several copies Quality control device for detecting defective copies and a second cutting device for cutting the strips into individual copies.
- the invention is based on the object of providing a method for separating printed products printed together on a sheet, which, even in the case of a printing process-related, in particular trapezoidal deformation of the sheet from the sheet in question, delivers single printed products whose geometries, e.g. B. their length and / or width remain within permissible tolerances despite the deformation of the arch.
- FIG. 2 shows a diagram for the production of printed products printed using panel technology
- FIG 3 shows a cutting system with a cutting device.
- sheet 01 shows an example of a single printed sheet, referred to as sheet 01 for short.
- This sheet 01 is preferably made of paper, e.g. B. from a banknote paper, or from cardboard or cardboard. In the unprinted state, this sheet 01 has a rectangular format with a first edge length in the range z. B. between 450 mm and 820 mm and across it with a second edge length in the area z. B. between 475 mm and 700 mm.
- This sheet 01 is in an industrial printing process with a printing machine 06 (Fig. 2) z. B. in a steel engraving process, preferably in an intaglio printing process, printed at least on one side, preferably on both sides with at least one print image 02.
- the respective print motifs of print images 02 printed on the front and the back of the same sheet 01 are i. d. Usually different from each other.
- the sheet 01 shown in FIG. 1 has several uses.
- the term use denotes the number of copies of a printed product 03 arranged on the sheet 01, the individual printed product 03 each z. B. is a bank note to be produced or another document having at least one characteristic feature 04, in particular a security feature.
- a security feature is to be understood as a characteristic property which proves the authenticity of this document and at least makes it considerably more difficult to forge this document.
- the benefits are in the print image 02 on the sheet 01 in several, z. B. in two to eleven, in particular in six columns a; b; c; d; e; f and in several, e.g. B.
- each individual printed product 03 should have a width b03 in the transport direction T of the sheet 01 and a length I03 each transverse to the transport direction T of the sheet 01.
- the width b03 of an individual printed product 03 is z. B.
- All printed products 03 printed together on the sheet 01 should have the same width b03 in the transport direction T of the sheet 01 and the same length I03 transversely to the transport direction T of the sheet 01 within the framework of permissible preset tolerances.
- the printed image 02 printed on the originally rectangular sheet 01 has a width B in the transport direction T of the sheet 01 and initially a first length L1 transversely to the transport direction T, this initial length L1 being able to change to a different second length L2 as a result of the printing process .
- the sheet 01 is subjected to very high mechanical pressure in the printing process as it passes through the printing machine 06, so that the sheet 01, which is rectangular in the unprinted state, and thus also its printed image 02 in particular deformed trapezoidally.
- This deformation of the sheet 01 can form the actually rectangular print image 02 symmetrical to an isosceles trapezoid, but also unequal.
- the end trailing in the transport direction T of the sheet 01 forms the basis of this trapezoid.
- the second length L2 of the printed image 02 which corresponds to this base of the trapezoid, is thus made somewhat larger in practice after the printing process has been carried out than the actually intended length L1 of the printed image 02, which extends in the transport direction T of the sheet 01 leading end of the sheet 01 is located.
- the increase in length shown in FIG. 1 by the expansions V1; in each case forming part of the second length L2; V2 is indicated, these elongations V1; V2 can differ from one another in terms of amount, is often more than 0.1% of the initial length L1 of the print image 02 and can total z.
- B. be up to 10 mm.
- a sheet 01 to be printed must be held by holding means during its transport through the printing press 06.
- grippers are often used as holding means. At least one of these grippers, preferably at least two grippers spaced apart from one another along the first length L1 of the printed image 02, hold the sheet 01 in question at an edge area R1, which is preferably arranged at the front edge of this sheet 01 in the transport direction T and is also referred to as the gripper edge R1 becomes.
- the gripper edge R1 extends at the front edge of the sheet 01, which forms a boundary line in the transport direction T, transversely to the transport direction T of this sheet 01 over a width r1 directed in the transport direction T of this sheet 01, the width r1 of the gripper edge R1 in an area z.
- These edge areas R2; R3 are also each referred to as a side margin R2; R3 called.
- the respective width r2: r3 of the relevant page margin R2; R3 lies in a range e.g. B. between 5 mm and 30 mm, the widths r2; r3 of these edge areas R2; R3 can be the same or different in terms of amount.
- the gripper edge R1 and the two side edges R2; R3 encompass the printed image 02, which is printed on the sheet 01 and has multiple copies, on three sides.
- an edge area extending along the second length L2 of the print image 02 is also provided on the edge of the sheet 01, which again forms a boundary line in the transport direction T, the width of the edge at the trailing end of the Arc 01 in an area z. B. is between 5 mm and 40 mm.
- the individual printed products 03 formed on the sheet 01 in question each have, for. B. at least one characteristic feature 04, wherein a position of the relevant characteristic feature 04 arranged in the print image 02 is determined or can at least be determined by an assignment of coordinates, these preferably Cartesian coordinates x; y with reference to the respectively predetermined boundary lines z.
- the print image 02 or the relevant printed product 03 are set.
- the reference point P ie the coordinate origin for coordinates x; y to identify the position of a characteristic feature 04 in at least one of the printed products 03 generated by the print image 02 z.
- the respective length I03 and / or the respective width b03 of individual printed products 03 change due to a deformation of the sheet 01 caused by the printing process and the printed image 02 attached to it
- a change in particular in the case of printed products 03 each designed as a bank note, results in a deviation from corresponding setpoint values of e.g. B. may not exceed ⁇ 1mm.
- the position of the relevant characteristic feature 04 also changes relative to the respective specified boundary lines of the relevant printed product 03.
- Such a change in the position of the relevant characteristic feature 04 may in particular printed products 03 each designed as a bank note a deviation from the target position of z. B. do not exceed ⁇ 1mm.
- each of these printed products 03 is z. B. provided with a serial number that continues in the production process.
- each sheet 01 processed in the production process for. B. be provided with a sheet number so that even in a production process comprising several sheets 01, the respective position of each of the printed products 03 printed in this production process can be clearly identified.
- the numbering scheme used can be used to calculate the number of each sheet 01 with the sheet numbers contained in a previously defined area and the previously known number of uses, ie of printed products 03 on each of the sheets 01.
- the aim is to produce at least 100,000 banknotes per hour, preferably e.g. B. to produce up to 600,000 pieces of banknotes per hour.
- the printing press 06 prints a large number of sheets 01 one after the other, each with the same print image 02.
- the sheets 01, each printed with multiple copies are fed to a cutting system 07 downstream of the printing press 06 in the production process.
- B. to separate printed products 03 forming a bank note. The separation of the printed products 03 takes place in the cutting system 07 by a z. B.
- each rectilinear cuts through which cuts the respective printed sheet 01 step by step into several with the respective columns a; b; c; d; e; f and / or lines S1; S2; S3; S4; ...; S10 of the panel arrangement corresponding strips is cut.
- the individual cutting lines should run in such a way that the respective length I03 and / or the respective width b03 of each z. B.
- the “best fit” adjustment is carried out using a mathematical optimization method.
- a mathematical optimization method z. B.
- a compensation calculation or a computationally executed approximation method can be used.
- the production process can focus more on the quality of the printed products 03 or on the quantity of the printed products 03 to be produced.
- the “best fit” adjustment can therefore be carried out as required in the sense that in a certain production process either z. B. as many printed products 03 as possible are produced with just enough good quality or high-quality production is carried out with a comparatively smaller number of printed products 03. This decision can be made individually before or at the start of production by choosing the appropriate optimization method.
- the quality testing device 08 has z. B. a preferably optoelectronic, in particular camera-based inspection system and subjects the previously created printed products 03 z. B. an individual test.
- Information determined by the quality checking device 08, in particular with regard to a deviation from at least one of the permissible tolerances, and the position of the at least one of the named ones identified by means of its identification feature 09 Printed product 03 exceeding tolerances are reported back to cutting system 07 preferably directly and / or in real time.
- the cutting system 07 in cooperation with at least one cutting device 11, which is preferably arranged in a fixed position in this cutting system 07 and executes straight cuts, has a e.g. B. about a preferably vertical axis 12 rotatable in a horizontal plane cutting table 13, on which cutting table 13 a sheet 01 to be cut into strips is placed or at least can be placed.
- the cutting table 13 can be rotated about the axis 12, preferably in both circumferential directions, by an angle of rotation cp indicated by an arrow indicating the direction of rotation, the rotary movement being driven by a drive 14 controlled by a control unit 21.
- a control unit 21 One on this cutting table 13 in a z. B.
- the optimization method can be selected as required according to the production to be carried out.
- a method for separating printed products 03 printed together on a sheet 01, with printed products 03 printed jointly on the sheet 01 in a printing machine 06 in a cutting system 07 downstream of the printing machine 06 with a preferably straight-line cutting Cutting device 11 are isolated.
- Each of these printed products 03 has an identification feature 09 that uniquely identifies its respective position on the sheet 01.
- the unprinted sheet 01 is rectangular. Since the sheet 01 is deformed in a trapezoidal shape in particular as it passes through the printing press 06, the individual printed products 03 are also deformed as a result of the deformation of the sheet 01.
- the individual printed products 03 are therefore checked in a quality checking device 08 downstream of the cutting system 07 for compliance with a permissible tolerance at least with regard to their respective length I03 and / or width b03, the quality checking device 08 having one for each printed product 03 identified with respect to its position using its identification feature 09 Information relating to an exceeding of the permissible tolerance of at least the length I03 and / or width b03 of the relevant printed product 03 is determined.
- the quality control device 08 transmits this information determined by it in an assignment to the position determined by means of the identification feature 09 on the sheet 01 to a control unit 21 of the cutting system 07, the control unit 21 of the cutting system 07 depending on the information transmitted by the quality control device 08 for subsequently in the cutting system 07 similar printed products 03 arranged in the same position on the sheet 01 adjusts the relevant sheet 01 and the cutting device 11 in their respective position relative to one another in such a way that the respective preset tolerance is as good as possible for each of the printed products 03 to be separated is adhered to, the best possible adherence to the tolerance in question by the fact that the position of sheet 01 and cutting device 11 to be set relative to one another is calculated in control unit 21 - as already mentioned - by using a mathematical optimization method.
- the setting of the relevant sheet 01 and the cutting device 11 in their respective position relative to one another thus takes place after the relevant mathematical optimization method has been applied, ie in accordance with the position calculated using the relevant mathematical optimization method.
- the permissible preset tolerance of at least the length I03 and / or width b03 of the relevant printed product 03 and / or the permissible preset tolerance in changing the position of the relevant at least one characteristic feature 04 are thus preferably set in the control unit 21 of the cutting system 07.
- each individual printed product 03 also has at least one characteristic feature 04 at a specific position of the relevant printed image 02, the deformation of the sheet 01 and the printed image 02 i applied to it changes due to the deformation of the sheet 01, in particular, caused by the printing process. d.
- the quality checking device 08 also determines information regarding the exceeding of the permissible tolerance in the change in the position of the relevant at least one characteristic feature 04, the quality checking device 08 then this information is also transmitted to the control unit 21 of the cutting system 07 for setting the respective relative positions of the sheet 01 and the cutting device 11.
- the sheets 01 are preferably printed by the printing machine 06 using a steel engraving process or an intaglio printing process.
- the sheet 01 is printed with a print image 02 on one side and / or on both sides.
- several are usually strung together seamlessly
- the individual printed products 03 are each z. B. formed into a bank note and / or each of the printed products 03 is preferably provided with a serial number that continues in the production process as its respective identification feature 09.
- a camera-based inspection system is used as the quality checking device 08.
- the printed products 03 printed together on the sheet 01 are separated in a cutting system 07 downstream of the printing machine 06 in the transport direction T of the sheets 01, the cutting system 07 at least one cutting device 11 and z. B. has a cutting table 13 which can be adjusted at least in its angle of rotation cp relative to the relevant cutting device 11.
- a sheet 01 lying on the cutting table 13 of the cutting system 07, preferably to be cut into strips, is also preferably controlled in its feed relative to the cutting device 11 by the control unit 21 in such a way that the respective tolerances specified with respect to the respective printed products 03 are adhered to as best as possible.
- the best possible compliance with the specified tolerances is achieved by setting the angle of rotation cp of the cutting table 13 and / or setting the advance of the sheet 01, which is preferably to be cut into strips, lying on the cutting table 13 of the cutting system 07 in the control unit 21 by using a mathematical optimization method is calculated.
- control unit a b; c; d; e; f column S1; S2; S3; S4; ... Row b03 width (03)
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Control Of Cutting Processes (AREA)
- Collation Of Sheets And Webs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019121401.7A DE102019121401B3 (de) | 2019-08-08 | 2019-08-08 | Verfahren zum Vereinzeln von gemeinsam auf einen Bogen gedruckten Druckprodukten |
| PCT/EP2020/066742 WO2021023421A1 (de) | 2019-08-08 | 2020-06-17 | Verfahren zum vereinzeln von gemeinsam auf einen bogen gedruckten druckprodukten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4010154A1 true EP4010154A1 (de) | 2022-06-15 |
| EP4010154B1 EP4010154B1 (de) | 2024-07-17 |
Family
ID=71143703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20734665.1A Active EP4010154B1 (de) | 2019-08-08 | 2020-06-17 | Verfahren zum vereinzeln von gemeinsam auf einen bogen gedruckten druckprodukten |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11351771B2 (de) |
| EP (1) | EP4010154B1 (de) |
| JP (1) | JP7044946B2 (de) |
| CN (1) | CN113260490B (de) |
| DE (1) | DE102019121401B3 (de) |
| WO (1) | WO2021023421A1 (de) |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4558615A (en) * | 1982-04-08 | 1985-12-17 | De La Rue Giori S.A. | Method for the manufacture of freshly printed security papers cut to format and automatic cutting machine for carrying out the method |
| US6112658A (en) * | 1999-02-25 | 2000-09-05 | George Schmitt & Company, Inc. | Integrated and computer controlled printing press, inspection rewinder and die cutter system |
| DE19939164B4 (de) | 1999-08-20 | 2005-02-10 | Koenig & Bauer Ag | Verfahren zur Verarbeitung von Bedruckstoffen |
| DE10062817C1 (de) * | 2000-12-15 | 2002-09-05 | Koenig & Bauer Ag | Vorrichtung und Verfahren zum Vereinzeln von Nutzen eines bedruckten Bogens |
| ATE511445T1 (de) * | 2002-03-27 | 2011-06-15 | Schutte Joseph B Iii | Kombinierte flexo- und tiefdruck-druckmaschine und betriebssystem dafür |
| DE10335887B4 (de) * | 2003-08-06 | 2007-11-08 | Man Roland Druckmaschinen Ag | Verfahren und Vorrichtung zum Regeln eines Schnittregisterfehlers und einer Bahnzugkraft einer Rollenrotationsdruckmaschine |
| DE102005012913A1 (de) * | 2004-03-23 | 2005-10-13 | Koenig & Bauer Ag | Druckmaschinen mit mindestens einem mit einem Stellglied einstellbaren Maschinenelement |
| JP2008238504A (ja) * | 2007-03-27 | 2008-10-09 | Dainippon Printing Co Ltd | 断裁位置制御方法及び装置 |
| JP2009039824A (ja) * | 2007-08-09 | 2009-02-26 | Nireco Corp | 断裁位置制御装置及び断裁位置制御方法 |
| DE102008054019A1 (de) * | 2008-10-30 | 2010-05-06 | Manroland Ag | Rollenrotationsdruckmaschine und Verfahren zum Einstellen des Schnittregisters davon |
| JP2012179823A (ja) * | 2011-03-02 | 2012-09-20 | Seiko Epson Corp | 印刷制御装置、印刷制御方法及び印刷制御プログラム |
| DE102012017636A1 (de) * | 2012-09-06 | 2013-11-07 | Heidelberger Druckmaschinen Ag | Verfahren zum Bestimmen des Zurichtbedarfs und Verfahren zum Erstellen eines Zurichtbogens |
| DE102014013370A1 (de) * | 2014-09-09 | 2016-03-10 | Heidelberger Druckmaschinen Ag | Verfahren zur Kompensation lokaler Passerungenauigkeiten |
| NL2015103B1 (nl) * | 2015-07-07 | 2017-01-31 | Securo B V | Inrichting en werkwijze voor het bewerken van een flexibel vel. |
| ITUB20152764A1 (it) | 2015-08-03 | 2017-02-03 | Giorgio Petratto | Procedimenti per la cordonatura e taglio di materiali in fogli. |
| DE102018200994B4 (de) * | 2018-01-23 | 2020-03-12 | Heidelberger Druckmaschinen Ag | Durchstichpasser |
-
2019
- 2019-08-08 DE DE102019121401.7A patent/DE102019121401B3/de active Active
-
2020
- 2020-06-17 CN CN202080007977.XA patent/CN113260490B/zh active Active
- 2020-06-17 WO PCT/EP2020/066742 patent/WO2021023421A1/de not_active Ceased
- 2020-06-17 EP EP20734665.1A patent/EP4010154B1/de active Active
- 2020-06-17 US US17/419,734 patent/US11351771B2/en active Active
- 2020-06-17 JP JP2021539392A patent/JP7044946B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113260490B (zh) | 2022-09-02 |
| US11351771B2 (en) | 2022-06-07 |
| US20220088916A1 (en) | 2022-03-24 |
| DE102019121401B3 (de) | 2020-08-27 |
| JP7044946B2 (ja) | 2022-03-30 |
| JP2022508465A (ja) | 2022-01-19 |
| CN113260490A (zh) | 2021-08-13 |
| EP4010154B1 (de) | 2024-07-17 |
| WO2021023421A1 (de) | 2021-02-11 |
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