EP0313541A1 - Verfahren zur Regelung oder zur Aufrechterhaltung des Registers einer Bahn aus vorbedrucktem Material mit einer anfänglich automatischen Registereinstellung - Google Patents

Verfahren zur Regelung oder zur Aufrechterhaltung des Registers einer Bahn aus vorbedrucktem Material mit einer anfänglich automatischen Registereinstellung Download PDF

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Publication number
EP0313541A1
EP0313541A1 EP88870160A EP88870160A EP0313541A1 EP 0313541 A1 EP0313541 A1 EP 0313541A1 EP 88870160 A EP88870160 A EP 88870160A EP 88870160 A EP88870160 A EP 88870160A EP 0313541 A1 EP0313541 A1 EP 0313541A1
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EP
European Patent Office
Prior art keywords
memory
strip
address
sequence
register
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Granted
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EP88870160A
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English (en)
French (fr)
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EP0313541B1 (de
Inventor
Marc Gustave Minschart
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Individual
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Priority to AT88870160T priority Critical patent/ATE57160T1/de
Publication of EP0313541A1 publication Critical patent/EP0313541A1/de
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    • 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
    • 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
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0081—Devices for scanning register marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2233/00—Arrangements for the operation of printing presses
    • B41P2233/10—Starting-up the machine
    • B41P2233/13—Pre-registering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
    • B65H2557/20—Calculating means; Controlling methods
    • B65H2557/264—Calculating means; Controlling methods with key characteristics based on closed loop control
    • B65H2557/2644—Calculating means; Controlling methods with key characteristics based on closed loop control characterised by PID control

Definitions

  • the invention relates to a method of regulating or keeping a register, with automatic initial registration, of a pre-printed strip of material in shaping machines.
  • initial registration or “marking” is understood here to mean the process during which, each time the shaping machine is started or restarted, the preprinted web and the shaping tool are initially brought into register, that is to say in a condition such that the tool acts at each cycle at the desired location on the strip, relative to the preprinted format that it carries.
  • This registration therefore implies on the one hand a synchronization of the tool and the strip, and on the other hand an adjustment in position (generally angular, the tool being rotary) of the tool relative to the bandaged.
  • the "in-line” machines are machines in which a blank strip is treated at the start, and the strip passes through successive workstations following a continuous path, in a substantially taut state, while the various tools are ordered by the same tree.
  • Offline machines are machines in which a strip which has already undergone processing (usually printing) is treated in a machine at one or more independent work stations.
  • the machines "in line” have an essentially stable operation by design, being in perfect synchronism with the printed pattern, because the printing units are mechanically wedged on the same drive axis as the shaping tools.
  • the fact of carrying out all the operations at the same time on a white strip at the start avoids all problems of re-recording when restarting after a stop, accidental or not.
  • the shaping tools must be brought into the correct position in relation to the printing (position error).
  • the register (tracking) of such a machine drifts as a function of the slip, of the repetitive printing length, and the like.
  • markers used to determine the position of the formats printed on the strip with respect to working members ensuring the shaping. These markers have the form of printed marks, surrounded by blank printing areas, and photoelectric cells are arranged in the machine, facing the markers path, while an encoder is secured to the control shaft of the working organ.
  • the encoder provides pulses whose relative position and frequency are related to the position and speed of the working member, and these pulses are used to activate the signal from the photocell in a extending "window" over a predetermined distance on either side of the ideal or reference position of the reference mark with respect to the working member.
  • the signal of the cell is analyzed in the window, in analog form, by a register which identifies, compared to the background signal of the blank margin, the signal due to the mark, determines the difference between the actual position and the position of reference mark, and make the corrections required to bring the mark to the reference position.
  • registers ensure correct positioning of the reference mark, and therefore correct maintenance of the registration, in the "online” machines, the operation of which is essentially stable, as said above, which means that the reference mark is naturally maintained within the limits of a fairly narrow “window” on either side of the register position.
  • the analysis of the signal from the cell or other detector is limited to a window which is chosen so that the chosen format marker appears there alone, in a very distinct and isolated manner (for example other color markers or the like may also be required for subsequent printing and processing).
  • the method of the invention makes it possible to identify one benchmark among others, and to easily switch from one benchmark to another, for example of a different width. , or to define the mark by a part of the printed format itself, so as to be able to remove the margin of the strip which should normally remain blank from printing, with the exception of the marks, and thus to reduce the scrap of material.
  • known systems do not identify a determined mark, but only move the window until a printed mark falls therein giving a satisfactory signal to serve as a mark (generally a mark printed with a minimum blank area on both sides).
  • a mark generally a mark printed with a minimum blank area on both sides.
  • An object of the invention is therefore to provide a method for regulating or maintaining the registration of a continuous strip of material in a shaping station of a machine, by means of marks provided on the strip, and d an index pulse of the shaping member of said station, in which a train of position pulses is produced whose relative position with respect to the index pulse is a measure of the instantaneous position of the member of shaping during each of its cycles, and whose frequency is a measure of its speed of movement, a detector signal is picked up, a function of a difference in property between the bottom of the strip and the marks it bears, from which the difference between the actual position and the reference position of the reference mark is determined and, from the difference thus determined, the desired correction is applied to bring back the 'deviation towards zero, said method consisting in, in order to allow an initial registration and an automatic maintenance of a preprinted tape, - choose a marker along the length of the printed format, and determine its set position, - determine and store, in the form of a digital sequence, at least one characteristic of the
  • said characteristics of the chosen mark are its width, in the direction of travel of the pre-printed strip, and its shape, and the number of pulses of position, and therefore of memory addresses, over which it extends, and a sequence of theoretical digital values for the sampled detector signal is determined from its shape.
  • said characteristics of the reference mark chosen are its width, in the direction of travel of the pre-printed strip, and its color, and the number of pulses of position, and therefore memory addresses, over which it extends, and a sequence of theoretical digital values for the sampled detector signal is determined from its color.
  • each index pulse causes the digital values subsequent to successive addresses, whose origin is the start address of the memory, to be written into memory.
  • the analysis of the content of the memory consists in calculating, in a first locating mode, or initial registration, at each address of the memory and over the extent of a complete cycle of the machine , from the central address of the envisaged sequence, a function of the sequence of theoretical numerical values and of the sequence of real numerical values, having a minimum or a maximum when the detected mark has the same width and the same shape or color as the predefined coordinate system, and to keep the minimum minimorum or the maximum maximorum associated with the corresponding address, the latter representing said central address sought.
  • the read and write operations in memory being exclusive, and the analysis of the content of the memory therefore interrupting the write operation
  • the analysis of the content of the memory for a given cycle (i ) starts after writing into memory, during this cycle, the numerical value to which has been assigned the memory address (x k ) which is the last of those corresponding to the analysis period, and therefore of non-writing, of the previous cycle (i - 1)
  • the analysis relates to the numerical values covering a cycle of the machine, starting from the following address (x k + 1) to the said address (x k ), considering memory as a closed loop.
  • a regulation zone is defined which extends over an interval having a predefined maximum deviation on either side of the theoretical position of the reference mark with respect to the shaping member and, when the correction has brought the mark in this zone, the content of the memory is analyzed, in a second regulation mode, on a corresponding reduced zone.
  • the difference between the closest value and the theoretical value is compared and, when this difference is greater than a predefined value, the regulation mode is deactivated to analyze the entire content of the memory, according to the tracking mode process.
  • FIG. 1 there is shown schematically a shaping station of a processing machine - a cutting machine in the example chosen - of a preprinted web, in which a web 1 of preprinted material, cut of a supply coil (not shown), passes in the direction of arrow F in a device 2 with supply roller and pressure roller, then in front of a photoelectric cell 3, before reaching a rotary knife 4, mechanically connected to an encoder 5.
  • the feed roller of the device 2 is driven by a motor M1, via a phase shifter 6, the phase shift input of which is controlled by a correction motor M2.
  • the rotary knife 4 is driven in synchronism with the motor M1.
  • the register is ensured by the register 10 essentially comprising a sensor 11, a power control 12 for the correction motor M2, a processing unit (CPU) 13, a device 14 for access and display for the operator, and a power supply 15.
  • the register 10 essentially comprising a sensor 11, a power control 12 for the correction motor M2, a processing unit (CPU) 13, a device 14 for access and display for the operator, and a power supply 15.
  • the signal from the photocell 3, and the signal from the encoder 5 are supplied to the sensor 11 which includes a sampling circuit 21, which receives at its input 21a the signal from the cell 3, samples it in synchronism with the encoder pulses, received at its input 21b and, by means of an analog-digital converter, supplies a value at its output 21c digital corresponding to the instantaneous amplitude of the cell signal.
  • the encoder signals consist of a train of identical position pulses, extending over one revolution of the encoder, and an index pulse for each revolution of the encoder, and therefore of the knife.
  • the encoder position pulse train also supplies the increment input 22a of the counter 22, which provides at its output 22c a position and addressing signal at the input 23b of a memory 23 receiving at its input 23 has the instantaneous digital value of the signal from cell 3 for the corresponding pulse from the encoder.
  • Each digital value of the sampled signal is thus placed in memory at an address whose serial number corresponds to that of the corresponding pulse of the encoder, and therefore to the associated position of the rotary knife 4.
  • the index pulse of the encoder feeds the reset input 23b of the counter, and causes the reset of the latter, the digital values received at the input 23a of the memory after a pulse of index being therefore written from the first address in memory, and replacing the values written in the previous cycle.
  • the output 22c of the counter also supplies the processing unit (CPU) 13, which controls the analysis of the memory.
  • CPU processing unit
  • the processing unit triggers, during a writing cycle, the analysis of the memory from the first value significant beyond the gap resulting from the previous cycle, so that the gap moves from cycle to cycle in memory.
  • the analysis during the writing cycle (i - 1) has interrupted writing to the address x k
  • the analysis during the cycle i will be triggered immediately after writing the new value at the address x k , and will relate to the sequence of addresses starting from x k + 1 to reach x k , considering the memory as a closed loop.
  • the first encoder cycle, terminated by the first index pulse, will generally be incomplete.
  • the processing unit (CPU) 13 can either neglect this incomplete first cycle, without performing an analysis, or, if it has in memory the number N of encoder position pulses for a complete cycle, perform the first analysis when it has received from the counter 22 a number N of pulses.
  • the processing unit then performs the analysis of the memory, and keeps in memory the position of the counter at the end of the analysis, position from which the following analysis will be carried out, relating to a complete cycle.
  • the latter then processes the signal and sends the desired correction signal to the control circuit 24 of the correction motor, acting on the phase shifter 6 to advance or delay the advance of the preprinted web 1 relative to the rotary knife 4.
  • FIG. 3 is a graph showing the curve of evolution of the signal from cell 3, at the input 21a of the sampling circuit 21 (curve a), and of the function calculated in the processing unit (CPU) 13 (curve b); for ease of representation, the horizontal axis has been divided into successive portions I to X, together covering a complete cycle of the rotary knife.
  • Figure 4 is an operating flowchart of the method of the invention operating in two modes, namely a locating mode and a regulation mode.
  • locating mode is meant here an operating mode in which the content of all the memory 23, covering one revolution of the rotary knife 4, is analyzed to identify and locate the chosen locus. It is in this mode that the register is automatically placed when the machine is started, and it can also be the only operating mode, in a simplified version of the process.
  • the content of the memory is analyzed to identify and locate the series of numerical values best corresponding to the reference defined by the operator.
  • Block 101 validates the identified benchmark; if the benchmark is invalidated, no action is taken until the next cycle; if the benchmark is validated, the processing unit examines the speed of the machine (block 102) to determine whether it falls within a possibly prescribed speed interval (the method of the invention is essentially speed independent).
  • the system simply verifies that it is instructed to operate automatically. It is indeed useful to provide for a deactivation of the register by the operator in certain cases, for example in the presence of a zone of pre-printed tape of poor quality, unusable, for which it is not useful to carry out a setting register.
  • the system In block 104, the system generates the correction signal desired for the phase shifter.
  • a correction In the locating mode, a correction purely proportional to the error is suitable, but it is of course possible to provide for a correction by means of a PI (proportional-integrator) or PID (proportional-integrator-derivative) regulator; these correction methods are well known, and there is no need to dwell on them here.
  • PI proportional-integrator
  • PID proportional-integrator-derivative
  • the error is compared to a predefined error interval; if the error leaves the predefined interval, the system continues to operate in tracking mode. If it falls in the interval, the system activates the regulation mode, placing the desired setpoint in block 107.
  • the benchmark has been identified and brought back into the predefined error interval at block 105.
  • the system is then content to analyze the memory in the corresponding memory zone, to locate the marker and calculate its position (block 200).
  • the localized reference mark is validated or invalidated in block 201, its invalidation causing a return to the locating mode (block 204).
  • the reference being validated in block 201 the system monitors the speed of the machine in block 202 to determine whether it falls within a possibly prescribed speed interval.
  • phase shifter motor Depending on the position calculated in block 200, and in the presence of an activation instruction in block 203, it then applies the desired correction signal to the phase shifter motor, via a PI regulator (proportional -integrator).
  • PI regulator proportional -integrator
  • the operator introduces (by his keyboard or another suitable device) at least the width (in the direction of travel of the strip) of the mark which he has chosen, and possibly his color code, and chooses an operating speed of the machine, generally the lowest possible speed of the latter ensuring its correct operation.
  • this zone is not in itself critical, and is independent of the width of the marker. Depending on the precision of the processing unit calculations (for example 8, 16 or 32 bit microprocessor), and the number of encoder pulses per unit length of the rotary knife (and therefore the interval length separating two samples of the detector signal), this width must be simply sufficient to provide a significant number of “zero” digital values (that is to say corresponding in fact to the digital values associated with the virgin material).
  • This blank area on either side of the marker is used, in tracking mode, to distinguish markers of the same color, but of different width.
  • the processing unit calculates the number of samples of the signal, and therefore the corresponding number of memory addresses to which the digital values must have a value determined by the color code. On either side of these values, the processing unit associates a number of "zero" values (in the sense mentioned above) corresponding to the predefined blank interval on either side of the reference.
  • a reference mark in the processing unit in the form a0 bX a0, where a and b respectively represent the width of the blank area and of the signal, relative to the pulses of the encoder, 0 the associated digital value to the blank strip, and X the numerical value associated with the color code of the marker.
  • the register samples the detector signal (curve a in Figure 3) in synchronism with the encoder pulses (in the simplest case, on each encoder pulse, but one can also provide a sampling every 2, 3, 4 ... pulses).
  • Each sample of the analog signal is converted into a digital value, in an analog-to-digital converter, and the successive digital values obtained on a cycle of the rotary knife 4 are stored in the memory 23, at successive addresses.
  • the encoder index pulse resets the counter 22 to zero, the following values then being written into memory from the start address, replacing the previous values.
  • the analysis process then begins, when the processing unit has received a position signal from the counter corresponding to the end of the previous analysis.
  • the analysis step can be 1, for maximum precision, but in practical cases we can be satisfied with a larger step, for example 2, 3, 4 ..., depending on the quality printing and the width of the mark, the precision of the processing unit and the nature of the blank background of the material (uniform or non-uniform background).
  • the register selects the address presenting the absolute minimum of the function b.
  • the serial number in the memory of the address retained at the end of exploration is a measure of the position of the center of the coordinate system with respect to the index pulse of the encoder, from which one easily draws the position of the center of the coordinate system with respect to the shaping tool, and therefore the numerical difference between this position and the zero reference position.
  • the register still verifies that the benchmark it has identified is a valid benchmark, by comparing the value of the minimum obtained with a threshold value, on either side of zero. If the identified marker does not satisfy this condition, the tracking process is stopped on this cycle, and resumed at the end of the next cycle of the shaping member.
  • the register then supplies the phase shifter motor with a signal proportional to the difference, in order to correct it, in a known manner.
  • the error can be permanently displayed on the operator's console, so that the operator can decide at the appropriate time to increase the speed of the machine to its operating speed.
  • Starting at low speed has the obvious advantage of reducing waste, since the phase shifter, given the limited power and speed of its motor, allows greater correction per cycle at low machine speed. .
  • the benchmark is already identified and located within a predefined interval, and the corrections to be made at this stage are reduced.
  • the analysis of the memory 23 is limited here to an analysis of the zone corresponding to the predefined interval.
  • the processing unit will here trigger the analysis when the position signal of the counter 22 will indicate to it that the sampling has extended until the end of the interval concerned, and will extend its analysis over said interval, which must be greater than the width of the mark, increased by the maximum position error allowed in regulation mode, on either side of the ideal position.
  • the register In the event of rejection, the register automatically returns to tracking mode, to analyze the complete content of the memory.
  • the position error is supplied to a PI regulator, which supplies the appropriate correction signal, in known manner, to the phase shifter, and the operation is repeated in the following cycle.
  • an ideal detector signal is shown between A and B on line VII; this signal comprises a zone of zero level, A-A ′ and B-B ′ on either side of a peak of marked amplitude and having a constant amplitude plateau.
  • Such a signal corresponds to the signal of a cell in front of which a printed mark passes, of width (in the direction of travel of the strip) greater than the width of the beam of the cell; in the case of line VII, the printed mark is separated from the printed format by a blank area on both sides, while it is embedded in a uniform print format or colored background in the case of the line IV.
  • the amplitude of the signal is a function of the color of the marker, and possibly its length (direction perpendicular to the direction of travel of the strip) and its width (direction of travel of the strip), if these are less than the beam length and width the photoelectric cell; in practice, however, it is generally arranged for the length and width of the marker to be greater than the corresponding dimensions of the cell beam, so that these parameters do not intervene.
  • the method of the invention allows the identification of a mark of the desired width on a uniform background, the curve b having for this mark l 'characteristic evolution with a marked minimum, separated by two maxima, the minimum having however, in the case where the background is colored, a value deviating more strongly from the zero value, than in the case where the background is white.
  • an input of the background color code can be provided on the operator console, allowing the value "0" of the sequence a0 bX a0 of set values to be adjusted to a value corresponding to that generated. by the background signal of the band, to bring the minimum value to zero.
  • the method of the invention also makes it possible, by placing the mark in the form of a digital sequence, to choose a mark in the printed format itself, provided that it is sufficiently characteristic.
  • such a complex reference mark can no longer be entered in the register by its width and color alone, but it can be entered for example by examination by the operator of the content of the memory 23 after a cycle of the machine, to determining the minimum width zone having the desired uniqueness characteristic, the content of this zone of the memory then being transferred into the setpoint.
  • the method is of course not limited to the example of application described, relating to a rotary knife shaping machine, but applies to any process in which a strip runs in synchronism with a tool - rotary or not working on a cycle, and the position of which can be defined unequivocally with respect to an encoder or the like placed on its control shaft.
  • each station being provided with its own register - possibly working on separate markers - and loops of compensation being provided for the band between each post.
  • the processing unit can calculate in tracking mode a function other than the described minimum function, for example a function having a maximum at the location of the benchmark.
  • the analysis of the memory does not have to be done every cycle either, but can be done every 2, 3, 4 ... cycles. In this case, as in the case of the operating mode with regulation, with window, the analysis can always be triggered at the same address, the problem of the "gap" not arising.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Labeling Devices (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Paper (AREA)
EP88870160A 1987-10-20 1988-10-19 Verfahren zur Regelung oder zur Aufrechterhaltung des Registers einer Bahn aus vorbedrucktem Material mit einer anfänglich automatischen Registereinstellung Expired - Lifetime EP0313541B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88870160T ATE57160T1 (de) 1987-10-20 1988-10-19 Verfahren zur regelung oder zur aufrechterhaltung des registers einer bahn aus vorbedrucktem material mit einer anfaenglich automatischen registereinstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE8701190A BE1001012A3 (fr) 1987-10-20 1987-10-20 Procede de reperage et de regulation de la mise en registre d'une bande de materiau preimprime.
BE8701190 1987-10-20

Publications (2)

Publication Number Publication Date
EP0313541A1 true EP0313541A1 (de) 1989-04-26
EP0313541B1 EP0313541B1 (de) 1990-10-03

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Application Number Title Priority Date Filing Date
EP88870160A Expired - Lifetime EP0313541B1 (de) 1987-10-20 1988-10-19 Verfahren zur Regelung oder zur Aufrechterhaltung des Registers einer Bahn aus vorbedrucktem Material mit einer anfänglich automatischen Registereinstellung

Country Status (8)

Country Link
US (1) US4994975A (de)
EP (1) EP0313541B1 (de)
AT (1) ATE57160T1 (de)
BE (1) BE1001012A3 (de)
CA (1) CA1325835C (de)
DE (1) DE3860750D1 (de)
ES (1) ES2018717B3 (de)
GR (1) GR3001221T3 (de)

Cited By (5)

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FR2659899A1 (fr) * 1990-03-23 1991-09-27 Gravurex Procede pour effectuer automatiquement une operation sur des motifs realises dans une meme bande de materiau souple, et dispositif de mise en óoeuvre de ce procede.
US5224640A (en) * 1990-01-22 1993-07-06 Sequa Corporation Off-line web finishing system
US5361960A (en) * 1990-01-22 1994-11-08 Sequa Corporation Off-line web finishing system with splice and missing mark stability
WO2007116376A3 (en) * 2006-04-10 2008-04-24 Cc1 Inc Method and apparatus for re-registering a mechanical drive press
CN111038095A (zh) * 2018-10-12 2020-04-21 住友重机械工业株式会社 信息处理装置、印刷系统及信息处理方法

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US5170708A (en) * 1992-01-02 1992-12-15 Rdp Marathon Inc. Register control device for a printing press
DE4218764A1 (de) * 1992-06-06 1993-12-09 Heidelberger Druckmasch Ag Verfahren zur Positionierung eines Registermarkensensors an einer Bogendruckmaschine
US5455764A (en) * 1993-09-09 1995-10-03 Sequa Corporation Register control system, particularly for off-line web finishing
DE4403861C2 (de) * 1994-02-08 1998-08-20 Heidelberger Druckmasch Ag Verfahren zum Erzeugen eines mehrfarbigen Druckes mit einer Druckmaschine in mindestens zwei verschiedenen Durchläufen
AT400545B (de) * 1994-03-18 1996-01-25 Boehler Ybbstalwerke Verfahren und stanzeinrichtung zur herstellung von schneidlinien mit ausnehmungen
US5967394A (en) 1994-11-04 1999-10-19 Roll Systems, Inc. Method and apparatus for pinless feeding of web to a utilization device
US5979732A (en) * 1994-11-04 1999-11-09 Roll Systems, Inc. Method and apparatus for pinless feeding of web to a utilization device
WO1996014261A1 (en) * 1994-11-04 1996-05-17 Roll Systems, Inc. Method and apparatus for pinless feeding of web to a utilization device
US5659538A (en) * 1995-03-27 1997-08-19 The Procter & Gambel Company Diaper registration control system
US5777879A (en) * 1995-09-05 1998-07-07 Minnesota Mining And Manufacturing Company Process-to-mark control system
US6928929B1 (en) * 1996-03-25 2005-08-16 The Procter & Gamble Company Process for making sheet having indicia registered with lines of termination
US5802974A (en) * 1996-03-25 1998-09-08 The Procter & Gamble Company Apparatus for sheet having indicia registered with lines of termination
US5828075A (en) * 1996-10-11 1998-10-27 Hurletron, Incorporated Apparatus for scanning colored registration marks
EP0882588B1 (de) * 1997-06-02 2001-11-07 Maschinenfabrik Wifag Registerhaltige Abstimmung von Druckzylindern einer Rollenrotationsmaschine
WO1999024263A1 (de) * 1997-11-10 1999-05-20 Oce Printing Systems Gmbh Verfahren und vorrichtung zum transport eines vorbedruckten, bahnförmigen aufzeichnungsträgers in einem druckgerät
US6325480B1 (en) 1998-07-28 2001-12-04 Eastman Kodak Company Ink jet printer and method capable of forming a plurality of registration marks on a receiver and sensing the marks formed thereby
US6591746B2 (en) 2001-06-13 2003-07-15 Hurletron, Incorporated Registration system for printing press
US7661344B2 (en) * 2003-07-29 2010-02-16 Beaudry Wallace J Method and apparatus for die cutting a web
US7092781B2 (en) * 2004-12-10 2006-08-15 The Procter & Gamble Company Method of controlling tension in a web
US20090283002A1 (en) * 2005-09-02 2009-11-19 Stephan Schultze Method for printing correction
US7967407B2 (en) * 2006-02-03 2011-06-28 R.R. Donnelley Use of a sense mark to control a printing system
US20080022872A1 (en) * 2006-07-28 2008-01-31 The Procter & Gamble Company Apparatus for perforating printed or embossed substrates
US7222436B1 (en) 2006-07-28 2007-05-29 The Procter & Gamble Company Process for perforating printed or embossed substrates
US8753026B2 (en) * 2007-06-29 2014-06-17 R.R. Donnelley & Sons Company Use of a sense mark to control a printing system
DE102009012436A1 (de) 2009-03-11 2010-09-23 OCé PRINTING SYSTEMS GMBH Verfahren und Vorrichtung zum Überprüfen der auf ein Trägermaterial gedruckten Farbauszüge
US9098903B2 (en) * 2009-07-21 2015-08-04 R.R. Donnelley & Sons Company Systems and methods for detecting alignment errors
AT515932B1 (de) * 2014-10-27 2016-01-15 Bernecker & Rainer Ind Elektronik Gmbh Verfahren und Vorrichtung zur Detektion einer Druckmarke
US10370214B2 (en) 2017-05-31 2019-08-06 Cryovac, Llc Position control system and method
CN111731907B (zh) * 2019-03-25 2022-03-08 西门子工厂自动化工程有限公司 自动调整横切机切刀角度的方法和横切机

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US5361960A (en) * 1990-01-22 1994-11-08 Sequa Corporation Off-line web finishing system with splice and missing mark stability
FR2659899A1 (fr) * 1990-03-23 1991-09-27 Gravurex Procede pour effectuer automatiquement une operation sur des motifs realises dans une meme bande de materiau souple, et dispositif de mise en óoeuvre de ce procede.
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CN111038095B (zh) * 2018-10-12 2021-11-09 住友重机械工业株式会社 信息处理装置、印刷系统及信息处理方法

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CA1325835C (en) 1994-01-04
DE3860750D1 (de) 1990-11-08
BE1001012A3 (fr) 1989-06-13
ES2018717B3 (es) 1991-05-01
EP0313541B1 (de) 1990-10-03
GR3001221T3 (en) 1992-07-30
US4994975A (en) 1991-02-19
ATE57160T1 (de) 1990-10-15

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