EP0328783B1 - Verfahren zur Schnittlagebestimmung für Druckmaschinen - Google Patents

Verfahren zur Schnittlagebestimmung für Druckmaschinen Download PDF

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Publication number
EP0328783B1
EP0328783B1 EP88121745A EP88121745A EP0328783B1 EP 0328783 B1 EP0328783 B1 EP 0328783B1 EP 88121745 A EP88121745 A EP 88121745A EP 88121745 A EP88121745 A EP 88121745A EP 0328783 B1 EP0328783 B1 EP 0328783B1
Authority
EP
European Patent Office
Prior art keywords
signal
signals
oscillation
fundamental
frequency
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.)
Expired - Lifetime
Application number
EP88121745A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0328783A1 (de
Inventor
Thomas Dr. Schroeder
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.)
ABB Schweiz AG
Original Assignee
ABB Asea Brown Boveri Ltd
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 ABB Asea Brown Boveri Ltd filed Critical ABB Asea Brown Boveri Ltd
Priority to AT88121745T priority Critical patent/ATE74553T1/de
Publication of EP0328783A1 publication Critical patent/EP0328783A1/de
Application granted granted Critical
Publication of EP0328783B1 publication Critical patent/EP0328783B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1882—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling longitudinal register of web
    • B65H23/1886—Synchronising two or more webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/025—Registering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/18—Form of handled article or web
    • B65H2701/186—Several articles or webs processed together
    • B65H2701/1864—Superposed webs

Definitions

  • the invention is based on a method for determining the cutting position for printing machines according to the preamble of patent claim 1.
  • the invention relates to a prior art, as is known from DE-A1-37 07 866.
  • a method and a device for controlling and adjusting the organs of printing and cartoning machines is described, in which information relating to the passage of a paper web is compared by means of a computing unit.
  • registration marks applied to the paper web are detected by movable and fixed reading heads which are arranged above and below the paper web.
  • the movable read heads detect registration marks for printing and the fixed read heads registration marks for the prefabrication.
  • a screen enables direct control and setting of the machine organs.
  • registration marks or so-called registration marks must be printed on the paper web, the position of which must then be evaluated.
  • newspaper printing in particular, it is undesirable to print such registration marks because they change the product.
  • the desired accuracy of such regulations requires considerable technical and economic effort both when applying and when recognizing the smallest possible marks.
  • the invention solves the problem of determining the cutting position of individual paper webs without registering marks.
  • An advantage of the invention is that no moving parts are required to carry out the method.
  • the process can be used with all brand-typical printing control systems.
  • the device for carrying out the method can be retrofitted to existing printing machines with little effort.
  • the result of the interface determination can be made available via a standardized interface for readjusting the cutting register.
  • RW1 and RW2 are used to indicate roll changers, each with 2 unprinted paper rolls, each of which a paper web Pa or Pb is fed to a printing unit 1, 2 with an impression cylinder 1 and 4 printing rollers 2. From there, the now printed paper is fed via fixed rollers or guide rollers 3 and 4 to a main register or a register spindle 5 which is displaceable with respect to the transport direction of the paper and which can be adjusted or regulated in its position by means of a servomotor M2 or M4 is.
  • the paper web Pa or Pb reaches a knife for the longitudinal cutting of the paper web or to a cutting unit 8, in which the paper web Pa is divided into 2 paper webs P1 and P2 of the same width and the paper web Pb is divided into 2 paper webs P3 and P4 of the same width becomes.
  • the paper webs P2 and P4 are each transported via a hopper inlet guide roller 10, a common roller or guide roller 12 and a folding former 13 to a folding jaw cylinder with a cross cutter 14 which has a pulse generator for a synchronization pulse or a synchronization signal S syn .
  • the synchronization signal S syn supplied by the pulse generator is detected by means of a pulse detector 15, preferably one pulse per revolution of the jaw cylinder.
  • the paper webs P1 and P3 are each transported via a turning bar 9 and a roller 4 via a secondary register 7 which can be moved with respect to a transport direction 6 of the paper, a funnel inlet guide roller 10, the common roller 12 and the folding former 13 to the folding jaw cylinder 14.
  • the position of the secondary registers 7 is adjusted or regulated by means of servomotors M1 or M3.
  • S M1 -S M4 designate control signals for the servomotors M1-M4.
  • each funnel inlet guide roller 10 At a distance of a few millimeters above each funnel inlet guide roller 10, 4 photodetectors or photocells 11 are arranged one behind the other at the same distance on a photocell carrier 20, cf. Fig. 2, of which only one photocell 11 can be seen in Fig. 1. From the 4 photocells 11 above the paper web P1 there are brightness signals H A1 ... H D1 , from those above the paper web P2 brightness signals H A2 ... H D2 , from those above P3 brightness signals H A3 ... H D3 and from those above P4 brightness signals H A4 ... H D4 derived or detected.
  • H A1 ... H D1 From the 4 photocells 11 above the paper web P1 there are brightness signals H A1 ... H D1 , from those above the paper web P2 brightness signals H A2 ... H D2 , from those above P3 brightness signals H A3 ... H D3 and from those above P4 brightness signals H A4 ... H D4 derived or detected.
  • the paper webs P1 - P4 lie one above the other from the common roll 12. They are folded in the former 13 and folded and cut into newspapers 16 in the folding cylinder with a cross cutter 14.
  • the waste switch 17 is switched from the waste bin 18 to the waste bin 19 when the main and secondary registers 5 and 7 and other adjustable elements (not shown) are correctly positioned when the printing press starts up.
  • the photocells 11 show the arrangement of 4 photocells 11 on the photocell carrier 20 in a row transverse to the paper web P1.
  • the photocells 11 have 4 mm - 5 mm wide gaps (not shown), through which they detect brightness information on the surface of the paper web P1 along imaginary scanning lines A1 - D1 in the paper travel direction and, depending on this, deliver brightness signals H A1 - H D1 .
  • FIG. 3 shows an evaluation device for determining the cutting position or for generating the control signal S M1 for the control motor M1 as a function of the brightness signals H A1 -H D1 , the good signal S G and the synchronization signal S syn .
  • the brightness signals H A1 - H D1 are fed via analog-digital converters 21 to the 1st computers or microprocessors 22, in which the digitized brightness signals are temporarily stored and, started by the synchronization signal S syn , are subjected to a fast Fourier transformation.
  • a A1 is the amplitude
  • ⁇ A1 means the argument or the phase of the complex number, based on the scanning line A1.
  • the same evaluation is carried out with respect to the scanning lines B1-D1.
  • the quantities a A1 , ⁇ A1 ... a D1 , ⁇ D1 are fed to a second computer or microprocessor 23, in which the 4 amplitudes a A1 ... a D1 are compared with one another.
  • the largest amplitude max (a A1 ... a D1 ) is selected and with it the associated argument or phase, which is to be denoted by ⁇ x .
  • This current ⁇ x is stored as the reference phase position ⁇ Ref .
  • n stands for one of the values 1-4, ie for one of the measurement and evaluation channels 1-4, assigned to the paper webs P1-P4.
  • the secondary register 7 is controlled in dependence on the control signal S M1 so that the phase difference ⁇ 1 goes to a 0. Since all registers 5 and 7 are regulated in this way, an automatic readjustment of these registers can be achieved during operation. This is particularly necessary if the printing press is brought from a low to a high production speed after the waste switch 17 has been closed. This acceleration changes the paper web tension and thus the paper web length, so that the main and secondary registers have to be readjusted.
  • FIG. 4 shows, as an example, brightness signals H A1 as a function of time t in arbitrary units.
  • FIG. 5 shows a fundamental vibration a corresponding to the brightness signals H A1 from FIG. 4 and calculated by means of Fourier analysis, with an amplitude a A1 , the frequency f1 and the phase position ⁇ A1 as a function of time t, where a and t are given in arbitrary units.
  • the printing press is started at a time t0.
  • the relative position of the paper webs P1 - P4 to one another is controlled by cut registers, ie the main and secondary registers 5 and 7.
  • the cutting registers are set manually at the beginning of each production by printers at low speeds of the printing press between times t1-t3, with a steep increase between t1 and time t2 in order to produce as little waste as possible.
  • the printer closes the waste gate 17 (dashed position in FIG. 1) after the cut registers are correctly positioned.
  • the printing press is then brought to full speed up to a point in time t4.
  • the acceleration changes the paper web tension and thus the paper web length, so that the cutting registers 5 and 7 have to be adjusted by means of control signals S M1 - S M4 .
  • the paper speed then remains constant until an assumed paper tear at time t5. Within approx. 10 s, the speed drops back to 0 at time t6. At time t7, it is started again, the printing press being brought back to full speed in a time interval t8-t9.
  • the same printed pages either follow one another directly in the production type "double” with the page sequence cccc ... or at periodic intervals in the production type "collect” with the page sequence cdcdcd ...
  • the brightness values 4 stationary photocells 11 along 4 equally spaced scanning lines A1-D1 are scanned on each paper web in a sufficiently fine time grid, cf. 4, so that there is a temporally periodic pattern of brightness values H A1 -H D1 for each scanning line.
  • the amplitude, for example a A1 , the frequency f1 and the phase position ⁇ A1 of the fundamental of this periodic pattern can be determined cyclically for each scanning line A1-D1, cf. Fig. 5.
  • the current phase position ⁇ x is measured cyclically between the synchronizing signal S syn of the jaw cylinder 14 and the next zero crossing of the fundamental, cf. Fig. 5.
  • the reference phase position ⁇ Ref is the phase position ⁇ x at a point in time t3 at which the position of the associated cutting register 5, 7 is felt to be optimal by the printer, ie at which the cutting position determination is activated externally by closing the waste switch 17 .
  • each of the four imaginary zone groups of the paper web is above the middle (scanning lines A1 - D1), cf. Fig. 2 attached a photocell. That photocell is then considered active or used to determine the actuating signal S M1 etc. which generates the fundamental wave with the greatest amplitude a. This only takes into account those zone groups on which paper actually runs. If no printing has taken place along one or more scanning lines A1-D1, the associated photocells 11 deliver a constant brightness signal, ie the amplitude a is zero there.
  • the photocells 11 are arranged as close as possible in front of the jaw cylinder 14, ideally with the hopper inlet guide rollers 10.
  • the device used for determining the cutting position has a central energy supply and a scanning channel for each scanning line A1 - D1 of each paper web P1 - P4.
  • the interfaces are electrically isolated and correspond to standard brand interfaces for pressure control systems.
  • the sampling frequency for the brightness signals H A1 - H D4 is 20 kHZ. It should be greater than 50000 ⁇ 360 ° / (3600 ⁇ 0.25 °) Hz at a maximum speed of a printing unit roller of ⁇ 50000 U / h and ⁇ 0.25 ° accuracy.
  • the accuracy of a cut is ⁇ 0.2 ° from Scope of a printing roller. With a circumference of the printing unit roller of 1400 mm, the accuracy is approximately ⁇ 1 mm.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Control Of Cutting Processes (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Paper (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
  • Handling Of Sheets (AREA)
EP88121745A 1988-02-19 1988-12-28 Verfahren zur Schnittlagebestimmung für Druckmaschinen Expired - Lifetime EP0328783B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88121745T ATE74553T1 (de) 1988-02-19 1988-12-28 Verfahren zur schnittlagebestimmung fuer druckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH622/88 1988-02-19
CH62288 1988-02-19

Publications (2)

Publication Number Publication Date
EP0328783A1 EP0328783A1 (de) 1989-08-23
EP0328783B1 true EP0328783B1 (de) 1992-04-08

Family

ID=4191296

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88121745A Expired - Lifetime EP0328783B1 (de) 1988-02-19 1988-12-28 Verfahren zur Schnittlagebestimmung für Druckmaschinen

Country Status (10)

Country Link
US (1) US4896605A (no)
EP (1) EP0328783B1 (no)
JP (1) JP2609319B2 (no)
AT (1) ATE74553T1 (no)
AU (1) AU605959B2 (no)
DE (1) DE3869947D1 (no)
DK (1) DK166865B1 (no)
ES (1) ES2030491T3 (no)
FI (1) FI90326C (no)
NO (1) NO178416C (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19910835C1 (de) * 1999-03-11 2000-09-07 Innomess Elektronik Gmbh Verfahren zur Regelung einer Schnittposition an einer bedruckten Bahn für eine Rollenrotationsdruckmaschine

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Publication number Priority date Publication date Assignee Title
DE3919291C2 (de) * 1988-06-14 1995-07-06 Tokyo Kikai Seisakusho Ltd Bahnvorschubrolle und Antriebssteueranordnung hierfür
JPH0742019B2 (ja) * 1989-09-05 1995-05-10 株式会社東京機械製作所 輪転機における料紙走行張力および料紙切断位置の制御装置
ES2099078T3 (es) * 1989-09-29 1997-05-16 Landis & Gyr Tech Innovat Dispositivo y procedimiento para estampar texturas delicadas.
US5015849A (en) * 1989-12-14 1991-05-14 Milliken Research Corporation Index marking system
JPH0445937A (ja) * 1990-06-13 1992-02-14 Tokyo Kikai Seisakusho Ltd ウエブ料紙切断位置調整装置
US5640835A (en) * 1991-10-16 1997-06-24 Muscoplat; Richard Multiple envelope with integrally formed and printed contents and return envelope
DE4318299A1 (de) * 1993-06-02 1994-12-08 Roland Man Druckmasch Einziehvorrichtung und Verfahren zum Einzug von Materialbahnen in eine Druckmaschine
US5458062A (en) * 1994-02-28 1995-10-17 Goldberg; Ira B. Continuous web printing press with page cutting control apparatus and method
US5483893A (en) * 1995-03-31 1996-01-16 Isaac; Ragy Control system and method for automatically identifying webs in a printing press
US5568767A (en) * 1995-04-27 1996-10-29 Heidelberger Druckmaschinen Ag Method and device for maintaining print to cut register
DE19516655C2 (de) * 1995-05-05 2000-07-06 Wifag Maschf Vorrichtung zum Zusammenführen von zwei in einer Rollenrotationsdruckmaschine geförderten Materialbahnen
EP0764603A1 (de) * 1995-09-22 1997-03-26 Jos. Hunkeler AG Papierverarbeitungsmaschinen Verfahren und Vorrichtung zur Herstellung von Drucksachen
EP0868269A1 (en) * 1995-12-18 1998-10-07 Patrick Wathieu Paper cutter for variable format
US6928929B1 (en) * 1996-03-25 2005-08-16 The Procter & Gamble Company Process for making sheet having indicia registered with lines of termination
US5904094A (en) * 1997-09-09 1999-05-18 Heidelberger Druckmaschinen Ag Roller arrangement in a folding apparatus of a web-fed rotary printing press
US6273313B1 (en) 1999-06-02 2001-08-14 The Proctor & Gamble Company Process and apparatus for controlling the registration of converting operations with prints on a web
DE19936291B4 (de) * 1999-08-02 2015-12-24 Wifag Maschinenfabrik Ag Bestimmung von Schnittlagen von Bahnsträngen in einer Rotationsdruckmaschine
US20040026056A1 (en) * 2000-05-17 2004-02-12 Joseph Schweiger Method and device for the merging of different paper webs
JP3548549B2 (ja) * 2001-07-12 2004-07-28 株式会社東京機械製作所 輪転機のアジャストローラーのプリセット制御装置
DE10154003A1 (de) * 2001-11-02 2003-05-15 Heidelberger Druckmasch Ag Vorrichtung und Verfahren zur Positionierung eines Querschnitts auf einem Bedruckstoff in Rollendruckmaschinen
EP1342685B1 (en) * 2002-03-08 2013-07-03 Komori Corporation Method for controlling an apparatus for controlling a cutting position of a web member and device therefor
DE10236658B4 (de) * 2002-08-09 2012-11-29 Wifag Maschinenfabrik Ag Schnittregister-Aufteilung
DE10236657A1 (de) * 2002-08-09 2004-02-26 Maschinenfabrik Wifag Schnittregister-Einstellvorrichtung
US7222436B1 (en) 2006-07-28 2007-05-29 The Procter & Gamble Company Process for perforating printed or embossed substrates
DE102007003488A1 (de) * 2007-01-24 2008-07-31 Man Roland Druckmaschinen Ag Verfahren zur Schnittregisterregelung
US8844437B2 (en) * 2007-04-27 2014-09-30 Kimberly-Clark Worldwide, Inc. Process and system for aligning printed images with perforated sheets
DE102007039373C5 (de) * 2007-08-21 2018-10-25 Koenig & Bauer Ag Verfahren zur Überwachung des Stranglaufes in einem Trichteraufbau einer Rotationsdruckmaschine
DE102007039372B4 (de) * 2007-08-21 2010-08-12 Koenig & Bauer Aktiengesellschaft Schnittregisterregelung in einem Trichteraufbau sowie Verfahren zur Schnittregisterregelung
JP5399032B2 (ja) * 2007-09-19 2014-01-29 株式会社小森コーポレーション 帯状体断裁位置制御装置及び帯状体断裁位置制御方法
JP5399031B2 (ja) * 2007-09-19 2014-01-29 株式会社小森コーポレーション 帯状体断裁位置制御装置及び帯状体断裁位置制御方法
DE102008017532A1 (de) * 2008-04-03 2009-10-08 Manroland Ag Schnittregisterregelung
US11618177B1 (en) 2022-04-12 2023-04-04 Bradley W Boesel Orbital knife

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IT1087472B (it) * 1977-11-07 1985-06-04 Reggiani Spa Apparecchatura da stampa a cilindri rotanti per stampare specularmente disegni e/o colori uguali sulle opposte facce di un tessuto o simile
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US4538515A (en) * 1983-04-13 1985-09-03 Marlin Manufacturing Corporation Printing machine with programmed control of print cylinder motor and web tractor feed motor
ES8506410A1 (es) * 1983-05-31 1985-07-01 Fraver Sa Un procediminento para transportar y tratar o trabajar en continuo un soporte flexible deformable de preferencia virgen,tal como una cinta.
DE3513813A1 (de) * 1985-04-17 1986-10-30 Vereinigte Numerierwerkefabriken Zeiser GmbH & Co, 7201 Emmingen Verfahren und vorrichtung zur automatischen steuerung des schrittweisen vorschubs einer folienbahn
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19910835C1 (de) * 1999-03-11 2000-09-07 Innomess Elektronik Gmbh Verfahren zur Regelung einer Schnittposition an einer bedruckten Bahn für eine Rollenrotationsdruckmaschine

Also Published As

Publication number Publication date
DE3869947D1 (de) 1992-05-14
NO890623D0 (no) 1989-02-14
ATE74553T1 (de) 1992-04-15
AU605959B2 (en) 1991-01-24
US4896605A (en) 1990-01-30
DK166865B1 (da) 1993-07-26
NO890623L (no) 1989-08-21
DK66589A (da) 1989-08-20
ES2030491T3 (es) 1992-11-01
FI890794A (fi) 1989-08-20
EP0328783A1 (de) 1989-08-23
DK66589D0 (da) 1989-02-13
FI890794A0 (fi) 1989-02-17
NO178416C (no) 1996-03-20
JP2609319B2 (ja) 1997-05-14
NO178416B (no) 1995-12-11
FI90326C (fi) 1994-01-25
AU2955489A (en) 1989-08-24
FI90326B (fi) 1993-10-15
JPH01261156A (ja) 1989-10-18

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