EP0627309B1 - Méthode pour régler la position de contact entre deux cylindres disposés à distance réglable - Google Patents

Méthode pour régler la position de contact entre deux cylindres disposés à distance réglable Download PDF

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Publication number
EP0627309B1
EP0627309B1 EP94108271A EP94108271A EP0627309B1 EP 0627309 B1 EP0627309 B1 EP 0627309B1 EP 94108271 A EP94108271 A EP 94108271A EP 94108271 A EP94108271 A EP 94108271A EP 0627309 B1 EP0627309 B1 EP 0627309B1
Authority
EP
European Patent Office
Prior art keywords
rollers
roller
contact
adjusted
adjusting
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
EP94108271A
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German (de)
English (en)
Other versions
EP0627309A1 (fr
Inventor
Peer Dilling
Georg Riescher
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.)
Manroland AG
Original Assignee
MAN Roland 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0627309A1 publication Critical patent/EP0627309A1/fr
Application granted granted Critical
Publication of EP0627309B1 publication Critical patent/EP0627309B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0072—Devices for measuring the pressure between cylinders or bearer rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/34—Cylinder lifting or adjusting devices

Definitions

  • the invention relates to a method for adjusting the contact between two rollers of a printing unit of a rotary printing press that are adjustable at a distance from one another.
  • rollers In the inking and dampening units of rotary printing presses, a large number of rollers are arranged which can be set at a distance from adjacent rollers. These are, for example, the inking or dampening application rollers, which are in contact with the form cylinder and distribution cylinders with certain settings.
  • the setting according to the impression width is known for this. Yellow paint is applied to both sides of the rollers and leveled by several turns. Then the printing unit is stopped for about 15 seconds. When the rollers continue to rotate, the width of the impression becomes visible in the form of two lines. This process is repeated with different roller feeds until the two lines are parallel and at the desired distance from each other.
  • This setting is time-consuming in itself and has an enormous impact on the large number of settings to be carried out on a printing press.
  • a device is also known with which the roller adjustment is carried out via the contact pressure.
  • a flexible tab is inserted one after the other into the nip on both sides of the rollers.
  • this tab must not be bent during the measurement process, as this would result in falsifications of the measured values.
  • this condition cannot be met at most measuring points.
  • the device right DE 42 03 940 A1 shows a device for determining the contact position of two rollers. Then two rollers are fed towards each other until an elastic element signals its elastic deformation. Corresponding elastic elements are arranged in the bearing points of one of the rollers and are deformed when the bearing journals move as part of the bearing play when the roller shells meet.
  • This device is complex due to the special design of the roller bearings. Furthermore, the functionally related bearing play is disadvantageous for the running properties of the rollers.
  • EP-A-557 198 (document according to Article 54 (3) EPC) presents a method and a device for indicating the reaching of the contact position of two rollers, in which one roller is moved towards the second rotating roller. The friction carry that is signaled indicates the contact. Infeeds are carried out separately at both roller ends. Finally, the registered delivery values are set on both sides.
  • the invention avoids repeated adjustment processes and thereby enables time-saving adjustment. Furthermore, the technical effort is low.
  • the invention can also be used as a partial solution in an automated roll setting.
  • the roller 1 shows two rollers 1, 2 which are adjustable at a distance from one another, specifically the roller 1 is adjustable relative to the roller 2.
  • the roller 2 could, for example, represent a distribution cylinder of an inking unit and the roller 1 an inking roller, which, not shown, can also be brought into contact with a forme cylinder.
  • An optical device 5 consisting of a transmitter 3 and a receiver 4 is arranged on one side of the rolls 1, 2 in the roll gap thereof. The transmitter 3 and the receiver 4 are positioned opposite each other on both sides of the nip.
  • the optical device 5 is mounted on a base plate 6, which is magnetic and can thus be easily placed on the frame wall 7 of the printing press.
  • the optical device 5 is connected to a display device 8, optical fibers based on glass fibers advantageously being used for the purpose of miniaturization.
  • the optical device 5 is first introduced on one side of the rollers 1, 2. The latter are deliberately out of contact.
  • the receiver 4 receives light emitted by the transmitter 3. Now the roller 1 is fed to the roller 2 on this side until the receiver 4 no longer receives any light, which is indicated by the display device 8.
  • the rollers 1, 2 are thus set to touch on this side.
  • the setting is made on the opposite side of the rollers 1, 2 in the same way, the optical device 5 being implemented on the other side.
  • a pneumatic device 9 is used to adjust the rollers 1, 2.
  • the pneumatic device is arranged at the roll gap in the edge region of the roll shells of both rolls 1, 2.
  • the pneumatic device 9 contains a nozzle 10 and a pressure sensor. The latter is connected to a display device 11.
  • the rollers 1, 2 are initially out of contact.
  • the pneumatic device 9 is supplied with compressed air, which blows the nozzle 10 into the nip.
  • the dynamic pressure in the roller gap which is registered by the pressure sensor, increases becomes.
  • the display device 11 shows the contact of both rollers 1, 2.
  • the rollers 1, 2 are then set on the other side after the pneumatic device has been moved.
  • the pneumatic device can also be designed with a separate pressure sensor, which is arranged opposite the nozzle 10 on the other side of the nip. In this case, the pressure registered by the pressure sensor decreases as the roller 1 approaches the roller 2 and is zero when both rollers 1, 2 come into contact.
  • Two methods are described below by means of which the contacting of two rollers can be carried out in a time-saving manner and with little effort.
  • One method uses the effect that a first driven roller drives a second roller when touched.
  • the first roller is driven by the auxiliary inking drive at a slow speed.
  • the second roller is initially out of contact with the first and is positioned on one side until it begins to turn. The point of contact has been found.
  • the corresponding setting is registered and the roller is then brought out of contact again.
  • the point of contact is now set in the same way on the second side. If the touch is detected there, the first page can also be moved back to the registered value.
  • the contact line is now set.
  • the start of the rotation of the roller can either be observed visually or reported back using suitable aids, for example a rotary encoder.
  • a piezo film of known thickness is inserted into the roller gap on one side of the rollers that are parked.
  • the rollers on this side are then adjusted relative to one another until the piezo film emits an output signal when it is first touched by both rollers, which is signaled by a display device.
  • the piezo film is now removed from the nip and inserted into the nip on the other side of the roller. Then the setting process is repeated there. Finally, after the piezo film has been removed from the nip, the rolls are set on both sides by the amount of the thickness of the piezo film relative to one another.
  • rollers which can be done, for example, by a motor, is not part of the invention.
  • the adjustment of the rollers to be carried out after the contact has been set can also be registered by means of an inductive displacement transducer or other position transmitter. Under such circumstances, the invention can be used as a partial solution in automated roll setting systems.
  • dampening rollers or other rollers of a printing unit can also be set to touch on the basis of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)

Claims (1)

  1. Procédé pour régler le contact de deux cylindres (1,2) dont l'écartement est réglable, d'une presse rotative, caractérisé en ce que sur un côté de cylindres écartés (1,2) on introduit, dans la fente entre les cylindres, une feuille piézoélectrique ayant une épaisseur connue, qu'on rapproche les cylindres (1,2) de ce côté, jusqu'à ce que la feuille piézoélectrique délivre un signal de sortie lors du premier contact avec les deux cylindres (1,2), qu'on retire la feuille piézoélectrique hors de la fente entre les cylindres et qu'on répète le processus sur l'autre côté des cylindres (1,2) et qu'enfin on rapproche les cylindres (1,2) des deux côtés jusqu'à la distance égale à l'épaisseur de la feuille piézoélectrique.
EP94108271A 1993-06-01 1994-05-28 Méthode pour régler la position de contact entre deux cylindres disposés à distance réglable Expired - Lifetime EP0627309B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4318200 1993-06-01
DE4318200A DE4318200C2 (de) 1993-06-01 1993-06-01 Verfahren zum Einstellen der Berührung zweier im Abstand zueinander verstellbarer Walzen

Publications (2)

Publication Number Publication Date
EP0627309A1 EP0627309A1 (fr) 1994-12-07
EP0627309B1 true EP0627309B1 (fr) 1997-08-06

Family

ID=6489383

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94108271A Expired - Lifetime EP0627309B1 (fr) 1993-06-01 1994-05-28 Méthode pour régler la position de contact entre deux cylindres disposés à distance réglable

Country Status (5)

Country Link
US (2) US5517919A (fr)
EP (1) EP0627309B1 (fr)
JP (1) JP2667116B2 (fr)
CA (1) CA2124704A1 (fr)
DE (2) DE4318200C2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19750960C2 (de) * 1996-11-26 2002-08-14 Roland Man Druckmasch Filmfarbwerk für eine Rotationsdruckmaschine
DE19900258A1 (de) * 1999-01-07 2000-07-13 Fischer & Krecke Gmbh & Co Verfahren zum Anstellen zweier Zylinder einer Druckmaschine gegeneinander
DE102004061669A1 (de) * 2004-12-22 2006-07-13 Man Roland Druckmaschinen Ag Druckmaschinenwalze sowie Druckmaschinenzylinder
EP2040926A4 (fr) * 2006-07-19 2010-09-08 Goss Int Americas Inc Presse à imprimer à bobines dépourvue de lingot
DE102009025053A1 (de) 2009-06-10 2010-12-16 Windmöller & Hölscher Kg Vorrichtung und Verfahren zum gegenseitigen Anstellen zumindest zweier Zylinder einer Druckmaschine
CN105235361B (zh) * 2015-11-23 2017-10-17 谢成虎 一种印压装置及印刷机
CN106274042B (zh) * 2016-08-12 2018-05-01 无锡合一精机科技有限公司 一种烫印机
CN106113908B (zh) * 2016-08-12 2018-05-01 无锡合一精机科技有限公司 一种烫印机的压轮调节装置
CN112477383B (zh) * 2020-12-02 2022-06-24 江华九恒数码科技有限公司 一种印刷机械的挤压自调节装置

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Publication number Priority date Publication date Assignee Title
US2212820A (en) * 1938-06-17 1940-08-27 Cottrell C B & Sons Co Rotary intaglio printing press
US2592569A (en) * 1951-03-14 1952-04-15 Mcalear Mfg Company Pressure responsive measuring apparatus
US3272122A (en) * 1961-03-21 1966-09-13 Publication Corp Method of adjusting a foreshortened impression roller
GB1138613A (en) * 1965-03-11 1969-01-01 Derek Joseph Harry Goddin Improvements in or relating to pressure measuring devices
US3601046A (en) * 1968-12-31 1971-08-24 John C Motter Printing Press C Automatic leveling system for an impression roller in a printing press
US3760637A (en) * 1971-02-26 1973-09-25 Rodel Inc Nip pressure measurement
DE2614792A1 (de) * 1976-04-06 1977-10-27 Maschf Augsburg Nuernberg Ag Rotationsdruckmaschine
DE3101742A1 (de) * 1981-01-21 1982-08-05 Forschungsgesellschaft Druckmaschinen E.V., 6000 Frankfurt Verfahren und vorrichtung zur messung der schmitzringvorspannung an druckmaschinen
JPS59146711U (ja) * 1983-03-19 1984-10-01 三井造船株式会社 ギヤツプセンサ−
JPS6015534A (ja) * 1983-07-07 1985-01-26 Dainippon Printing Co Ltd ロ−ル圧測定装置
DE3408072A1 (de) * 1984-03-05 1985-09-05 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur steuerung des anpressdrucks einer druckwalze an eine hauptwalze
JPS60225758A (ja) * 1984-04-25 1985-11-11 Hitachi Seiko Ltd オフセツト印刷機におけるベアラ圧表示装置
NO156440C (no) * 1984-08-24 1987-09-23 Gustav Paulsen Anordning for kompensering av variasjon av klisjehoeyde.
JPS63117204A (ja) * 1986-11-06 1988-05-21 Mitsubishi Heavy Ind Ltd ロ−ルのギヤツプ検出装置
JPH01157850A (ja) * 1987-12-16 1989-06-21 Mitsubishi Heavy Ind Ltd 印刷機械のローラニップ幅計測装置
JPH0432707A (ja) * 1990-05-30 1992-02-04 Kawasaki Steel Corp 圧延ロール変位および間隙の検出装置
FR2672542B1 (fr) * 1991-02-11 1994-02-11 Komori Chambon Sa Dispositif de detection, dans une machine, de la position de contact de deux cylindres d'axes paralleles.
DE4209394C2 (de) * 1991-03-26 1996-07-18 Hitachi Ltd Ultraschallabbildungsgerät
DE4135537C1 (fr) * 1991-10-28 1993-04-08 Harald Dipl.-Ing. 8180 Tegernsee De Preiss
JPH0544537U (ja) * 1991-11-22 1993-06-15 株式会社小森コーポレーシヨン 回転体間の接触圧制御装置
FR2687605B1 (fr) * 1992-02-21 1994-04-29 Komori Chambon Procede et dispositif de detection, dans une machine, de la position de venue en contact de deux pieces dont l'une au moins est mobile.

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Böttcher; "Die optimale Anstellung von Druckwalzen"; Gudehus; Sonderdruck aus druck print 5/1985, druck print 6/1985 und druck print 9/1986 *
Walzenstreifen-Messgerät JIMEK International AB *

Also Published As

Publication number Publication date
US5517919A (en) 1996-05-21
DE4318200A1 (de) 1994-12-15
JP2667116B2 (ja) 1997-10-27
CA2124704A1 (fr) 1994-12-02
US5622114A (en) 1997-04-22
JPH0796601A (ja) 1995-04-11
DE4318200C2 (de) 1995-04-20
EP0627309A1 (fr) 1994-12-07
DE59403606D1 (de) 1997-09-11

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