EP0077907B1 - Einrichtung zum Regeln der seitlichen Lage einer Bedruckstoffbahn in Rollendruckmaschinen - Google Patents

Einrichtung zum Regeln der seitlichen Lage einer Bedruckstoffbahn in Rollendruckmaschinen Download PDF

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Publication number
EP0077907B1
EP0077907B1 EP82108356A EP82108356A EP0077907B1 EP 0077907 B1 EP0077907 B1 EP 0077907B1 EP 82108356 A EP82108356 A EP 82108356A EP 82108356 A EP82108356 A EP 82108356A EP 0077907 B1 EP0077907 B1 EP 0077907B1
Authority
EP
European Patent Office
Prior art keywords
web
controlling
lateral position
printing machine
edge
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
Application number
EP82108356A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0077907A1 (de
Inventor
Wolfgang Pfizenmaier
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 EP0077907A1 publication Critical patent/EP0077907A1/de
Application granted granted Critical
Publication of EP0077907B1 publication Critical patent/EP0077907B1/de
Expired 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
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/0204—Sensing transverse register of web
    • B65H23/0216—Sensing transverse register of web with an element utilising photoelectric effect
    • 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
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/032—Controlling transverse register of web
    • 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
    • B65H2557/10—Means for control not provided for in groups B65H2551/00 - B65H2555/00 for signal transmission

Definitions

  • the invention relates to a device for regulating the lateral position of a printing material web according to the preamble of claim 1.
  • Such devices are known and serve the purpose of feeding the printing material web to the printing units in such a way that the subsequent printing can be carried out in register, i.e. is always applied to the same place in relation to the paper web.
  • DE-PS 2 252 490 shows a sensor-controlled web guide in which there is the problem of precisely regulating paper webs of different widths.
  • Photocells that scan the edge of the paper web are already known as control sensors.
  • actuators are provided which receive a control signal from the optical scanning system, on the basis of which the central position control of the printing material web is carried out to a desired value.
  • an integral element in the signal line only allows control signals to emerge if there is a predetermined number of input pulses in a given period of time.
  • US-A-3 090 5314 uses scanning systems on both web edges, the signals of which are combined to form a resulting signal, which then acts on the actuators in such a way that the running web is always guided to a central position. Dusting of the scanning systems does not have any effect after a regulation according to a web edge is not provided.
  • optical scanning systems mainly used in web printing machines are very sensitive to contamination, e.g. due to paper dust.
  • increasing contamination by the optical system is interpreted as a shift of the web edge and leads to an unwanted correction of the web edge position.
  • This error which occurs due to the contamination, can amount to several millimeters per day for heavily dusting paper and must be compensated for several times a day by intervention of the printer. It is particularly problematic that switching from one side control to the other and cleaning the optical system leads to a sudden change in the position of the paper web. This can tear the paper web when the dust is removed, forcing the printer to stop the machine to clean the photocells.
  • the object of the invention is to provide a device for regulating the lateral position of a printing material web after a web edge, in which soiling of the optical scanning systems and page switching does not lead to incorrect control of the web and in which cleaning of the scanning systems while the machine is not running is required.
  • the object is achieved according to the inventive features of the characterizing part of claim 1.
  • it is possible to regulate the position of the printing material web even after a web edge, as is desired by printers, for example if the finished printed product is subsequently trimmed.
  • the lateral position of the printing material web remains when the regulation is switched from one web side to the other, e.g. when changing to a new paper roll, even if the scanning systems are dirty, without there being a faulty regulation when the soiling increases. Since it is no longer necessary to clean the scanning systems while the machine is running, this also means that no sudden change in the position of the printing material web can be triggered, so that tearing of the same is reliably avoided.
  • the scanning systems can be easily cleaned when the machine is idle due to production, without changing the lateral position of the paper web. In addition, changes in the width of the paper web are automatically compensated.
  • the printing material web 1 is regulated in its lateral position by actuators (not shown).
  • scanning systems 2 and 3 are provided on both web edges, which e.g. Give a control signal separately via photocells to a bandpass 4, 5, which acts as a filter. This only allows long-term changes in the position of the substrate web.
  • An unfiltered signal line 6, 7 runs parallel to each band pass 4, 5 and, like the outputs 8, 9, is fed to a changeover switch 10 from each band pass. The signals are then fed from the changeover switch 10 via an operational amplifier 11 to the actuators on the printing material web, so that the required position control is carried out to a desired value.
  • the changeover switch is set such that the paper web is regulated according to the right scanning system 2, for example because the left web edge is trimmed uncleanly.
  • the signal curve in the signal line 6 corresponds approximately to the diagram that is shown in the course of the signal line 6.
  • A is the amplitude of the web edge displacement, which corresponds to the disturbance.
  • the voltage is shown with v and the time with t, in the course of which the fault occurs.
  • the signal curve of the left web edge which is filtered by the scanning system 3 via the bandpass 5, is superimposed on this disturbed signal curve.
  • a diagram is shown in which the voltage and the time are also shown. The filter leaves the long-term changes due to the contamination of the scanning system Signal happen.
  • the changeover switch 10 is in the middle, the signals of the two unfiltered signal lines 6, 7 are used for regulation, so that dusting of the photocells is eliminated and does not lead to incorrect regulation.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Rotary Presses (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
EP82108356A 1981-10-24 1982-09-10 Einrichtung zum Regeln der seitlichen Lage einer Bedruckstoffbahn in Rollendruckmaschinen Expired EP0077907B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813142316 DE3142316A1 (de) 1981-10-24 1981-10-24 Einrichtung zum regeln der seitlichen lage einer bedruckstoffbahn in rollendruckmaschinen
DE3142316 1981-10-24

Publications (2)

Publication Number Publication Date
EP0077907A1 EP0077907A1 (de) 1983-05-04
EP0077907B1 true EP0077907B1 (de) 1985-07-24

Family

ID=6144804

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82108356A Expired EP0077907B1 (de) 1981-10-24 1982-09-10 Einrichtung zum Regeln der seitlichen Lage einer Bedruckstoffbahn in Rollendruckmaschinen

Country Status (8)

Country Link
US (1) US4527069A (enrdf_load_stackoverflow)
EP (1) EP0077907B1 (enrdf_load_stackoverflow)
JP (1) JPS5881167A (enrdf_load_stackoverflow)
AT (1) AT383778B (enrdf_load_stackoverflow)
CA (1) CA1219656A (enrdf_load_stackoverflow)
DE (1) DE3142316A1 (enrdf_load_stackoverflow)
DK (1) DK464182A (enrdf_load_stackoverflow)
ES (1) ES516201A0 (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3341539A1 (de) * 1983-11-17 1985-05-30 Focke & Co, 2810 Verden Einrichtung zur ueberwachung und steuerung von bahnen in verpackungsmaschinen
DE3533274C3 (de) * 1985-09-18 1995-09-21 Bst Servo Technik Gmbh Vorrichtung zur Bahnkantenerfassung und Bahnlaufregelung von im Durchlauf geführten Warenbahnen
US4694181A (en) * 1986-07-07 1987-09-15 Piller Richard G Web lateral position control system using both coarse and fine mode control means
JP2920535B2 (ja) * 1987-07-04 1999-07-19 大日本印刷株式会社 印刷物のマーク自動抽出装置
US4837636A (en) * 1987-10-22 1989-06-06 Xerox Corporation Motion sensor for sensing the relative position and velocity of a recording member
US4990215A (en) * 1988-12-02 1991-02-05 Minnesota Mining And Manufacturing Company Web-aligning apparatus
US5087318A (en) * 1988-12-02 1992-02-11 Minnesota Mining And Manufacturing Company Web-aligning apparatus
DE4109062A1 (de) * 1991-03-20 1992-09-24 Hueck & Co Verfahren zum passergenauen, mehrfarbigen bedrucken einer materialbahn, insbesondere einer folienbahn
US5490459A (en) * 1995-02-24 1996-02-13 Heidelberger Druckmaschinen Ag Printing press and method for removing ink build-up with sideways web movement
US6659006B2 (en) * 1995-08-30 2003-12-09 Goss Graphic Systems Inc. Tension control device for a printing press
US5813337A (en) * 1996-06-05 1998-09-29 Quad/Tech, Inc. Closed-loop printing control system
JP2015520259A (ja) 2012-05-17 2015-07-16 ウォン ウィン−ヤン カーボンブラック製造のための熱分解油

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2252490A1 (de) * 1972-10-26 1974-05-02 Erhardt & Leimer Kg Anordnung zum fuehren von warenbahnen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1175469A (en) * 1915-11-22 1916-03-14 Herbert S Mills Coin-operated vending-machine.
US2623262A (en) * 1951-03-22 1952-12-30 Gen Electric Weft straightener
US2883559A (en) * 1955-10-07 1959-04-21 Westinghouse Electric Corp Radiation level compensator system
US3090534A (en) * 1959-03-24 1963-05-21 Electric Eye Equipment Co Web guide control
US3604940A (en) * 1969-08-04 1971-09-14 Laser Systems Corp Radiant energy inspection system for rotating objects
US3746451A (en) * 1971-11-26 1973-07-17 Ibm Highly reliable strip width gauge
US3883736A (en) * 1974-01-14 1975-05-13 William S Liddell Remote control unit
US4184080A (en) * 1977-06-30 1980-01-15 Molins Machine Company, Inc. Ratiometric edge detector system
JPS5856402B2 (ja) * 1978-08-30 1983-12-14 大日本スクリ−ン製造株式会社 位置決め用センサ−

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2252490A1 (de) * 1972-10-26 1974-05-02 Erhardt & Leimer Kg Anordnung zum fuehren von warenbahnen

Also Published As

Publication number Publication date
EP0077907A1 (de) 1983-05-04
ES8306537A1 (es) 1983-06-01
JPH0375347B2 (enrdf_load_stackoverflow) 1991-11-29
ES516201A0 (es) 1983-06-01
US4527069A (en) 1985-07-02
DE3142316C2 (enrdf_load_stackoverflow) 1987-08-20
CA1219656A (en) 1987-03-24
ATA353682A (de) 1987-01-15
DE3142316A1 (de) 1983-05-05
AT383778B (de) 1987-08-25
JPS5881167A (ja) 1983-05-16
DK464182A (da) 1983-04-25

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