EP0938414B1 - Arrangement for correcting the fan-out effect on web-fed printing presses - Google Patents
Arrangement for correcting the fan-out effect on web-fed printing presses Download PDFInfo
- Publication number
- EP0938414B1 EP0938414B1 EP97947021A EP97947021A EP0938414B1 EP 0938414 B1 EP0938414 B1 EP 0938414B1 EP 97947021 A EP97947021 A EP 97947021A EP 97947021 A EP97947021 A EP 97947021A EP 0938414 B1 EP0938414 B1 EP 0938414B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paper web
- actuating elements
- elements
- printing unit
- counter
- 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
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Classifications
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- 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
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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
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/022—Registering, tensioning, smoothing or guiding webs transversely by tentering devices
- B65H23/025—Registering, tensioning, smoothing or guiding webs transversely by tentering devices by rollers
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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
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/30—Numbers, e.g. of windings or rotations
Definitions
- the invention relates to a method for using a device for compensating for a widening of a paper web in a web-fed rotary printing press according to the preamble of claim 1.
- a disadvantage of this device is that in the case of a device described by a. Web-fed web press with large width due to the fan-out effect.
- US 53 83 393 A describes a device for compensating for the fan-out effect of a paper web. Rolls offset from one another are arranged on both sides of the paper web.
- the invention is based on the object To provide a method for using a device for compensating for a widening of a paper web in a web-fed rotary printing press.
- the advantages that can be achieved by the invention are, in particular, that the fan-out effect can be corrected in particular also in the case of paper webs of greater width, such as, B. in the production of telephone books with printing units with double printing units in a so-called "eight-tower design".
- the double printing units can also be arranged one behind the other in a vertical orientation.
- Printing units with a printing unit with a printing cylinder can also be used.
- a printing unit can therefore consist of two printing units (blanket to blanket) or a printing unit with an impression cylinder.
- Each interlocking arranged between the printing units is adapted to the specific moisture content of the running paper web.
- only those actuating and counteracting elements that are required for the correction of the width register can be placed on the paper web individually or in groups.
- a web-fed rotary printing press exists e.g. B. from a four-high tower with four superposed printing units 1; 2; 3; 4 in bridge construction, each of the four printing units 1 to 4 has two rubber cylinders 7 working against a paper web 6; 8 on.
- Each rubber cylinder 7; 8 is a plate cylinder 9; 10 assigned.
- the plate cylinder 9; 10 cooperate with ink and fountain solution supply devices, not shown.
- the production direction of the paper web 6 leads from the printing unit 1 in the direction of the printing unit 4.
- each printing unit 2; 3; 4 in addition to the printing unit 1, a signal box II; III; IV provided with a number n or m of spaced adjusting elements or counter-adjusting elements.
- An interlocking II located in front of the printing unit 2 has on a first side 12 of the paper web 6 a number of n2 adjusting elements, e.g. B. an actuator 14.
- On the second side 13 of the paper web 6 are a number m2 counter elements, z. B. two counter elements 16; 17 arranged.
- the actuating element 14 is at a distance a2 / 2 from the two opposing actuating elements 16; 17 offset, d. H. is in the middle between the two counter elements 16; 17 arranged (Fig. 2).
- the distances a2, a3, a4 are distances to the center or from center to center of the control elements.
- An interlocking III located in front of the printing unit 3 has on the first side 12 of the paper web 6 a number n3 adjusting elements, e.g. B. six control elements 21 to 26.
- On the second side 13 of the paper web 6 are a number of m3 counter-elements, z. B. five counter elements 29 to 33 are arranged.
- the adjusting elements 21 to 26 are also at a distance a3 from one another and from the Opposing elements 29 to 33 are each offset by a distance a3 / 2. It is located between the side edge 18; 19 of the paper web 6 and the respective outer adjusting element 21; 26 a distance of a3 / 2 (Fig. 3).
- On the second side 13 of the paper web 6 are a number of m4 counter elements, z. B. eight counter elements 43 to 50 are arranged.
- the counter-adjusting elements 43 to 50 are also at a distance a4 from one another.
- the counter-adjusting elements 43 to 50 are offset from the adjusting elements 35 to 41 by a distance a4 / 2.
- adjusting elements and counter-adjusting elements of the signal boxes II to IV can each be arranged on a spindle 52; 53 freely rotatable, made of paint-repellent material or coated with it adjusting rollers and counter-rollers (in Fig. 1 on Interlocking III and shown in Fig. 3).
- the spindle 52 receives the adjusting rollers 21 to 26 and the spindle 53 the counter-adjusting rollers 29 to 33.
- Both spindles 52; 53 are adjustable from a rest position (FIGS. 1 and 3) to a working position (shown in dashed lines in FIG. 1 at signal box III). In the working position, the adjusting rollers 21 to 26 and the counter-adjusting rollers 29 to 33 act on both sides of the paper web 6, so that a cross-contraction point is created at each point of their action.
- the adjustment of the spindles 52; 53 can e.g. B. synchronously by means of two scissors-like adjustment devices 54, each consisting of two pivotally connected two-armed levers, the pivot axis 56 of which is mounted in the side frame 57 and 58, respectively.
- a pair of working levers each take the ends of the spindles 52; 53 while a pair of drive levers are each connected to a drive.
- the drive can z. B. consist of a pneumatic cylinder 57.
- Such an adjustment device 54 can be used for each of the signal boxes II; III; IV on the side frames 57; 58 may be provided.
- An actuation of the working cylinder 59 per signal box II; III; IV takes place synchronously.
- the moisture content (penetration) of the paper web 6 increases with each passage of the paper web 6 through a printing unit 1 to 4.
- the size of the distance a2 to a4 of the adjusting elements or counteracting elements is inversely proportional to the measure of the moisture content of the running paper web 6. That is, the more moisture is present in the paper web 6, the smaller the distance of the adjusting or counter elements from each other.
- the number n2 to n4 or m2 to m4 of the adjusting elements or counter-adjusting elements is proportional to the moisture content of the paper web.
- each printing unit 2; 3; 4 makes the corresponding correction of the fan-out effect differentiated.
- the depth of penetration of the adjusting or counter-adjusting rollers into the paper web 6 - and thus the size of the transverse contraction - can be adjusted.
- a variety of rollers and counter rollers ensure a high-quality print image, even with a panoramic image.
- the transverse contraction points introduced by means of the adjusting and counter-adjusting rollers do not overlap due to the respective different distances a2 to a4 of the adjusting and counter-adjusting rollers, but are respectively arranged next to one another. However, this does not apply for the pressure-free gaps between the individual printing plates.
- the actuating and counteracting elements in particular the signaling devices III and IV, can be adjusted individually or in groups from a rest position into a working position. This is particularly necessary if there are one-sided register deviations.
- single or group drives for the Adjustment and counter-adjustment rollers are provided, which can be operated from the machine control center.
- control device is connected to a plurality of scanning heads for scanning register marks and supplies signals from a setpoint / actual value comparison, by means of which the aforementioned drives are actuated.
- compressed air nozzles as control elements and counter-control elements of the signal boxes II to IV, which, for. B. on spindles 52; 53 or between the side frames 57; 58 traverses are firmly arranged.
- These compressed air nozzles are adjustable in the strength of the air pressure, so that mechanical adjustment, as is required with the adjusting rollers and counter-adjusting rollers, is not necessary.
- a signal box is arranged between the second and third printing units.
- the signal box can optionally correspond to one of the versions of the signal boxes II to IV, possibly with a single drive.
- control elements 21 to 26; 16, 17, 43 to 50 can also be done automatically via an electrical. Control device depending on the respective moisture content of the paper web.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Handling Of Sheets (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Verwendung einer Vorrichtung zur Kompensation einer Verbreiterung einer Papierbahn in einer Rollenrotationsdruckmaschine entsprechend dem Oberbegriff des Anspruches 1.The invention relates to a method for using a device for compensating for a widening of a paper web in a web-fed rotary printing press according to the preamble of claim 1.
Durch die DE 295 01 373 U1 ist eine gattungsgemäße Vorrichtung bekannt, bei welcher zwischen dem zweiten und dritten Doppeldruckwerk einer vier Doppeldruckwerke aufweisenden Rotationsdruckmaschine zwei Bildstellrollen angeordnet sind.
Diese Bildstellrollen sind frei drehbar an schwenkbaren Hebeln gelagert. Nach dem vierten Doppeldruckwerk ist ein Lesekopf zum Abtasten von Registermarken angeordnet, welcher mit einer Regeleinrichtung in Verbindung steht. Diese Regeleinrichtung liefert aus einem Soll-Istvergleich Signale, mit denen eine Betätigungseinrichtung zum Anstellen der Bildstellrollen beaufschlagt wird.From DE 295 01 373 U1 a generic device is known in which two image setting rollers are arranged between the second and third double printing units of a rotary printing press having four double printing units.
These image rollers are freely rotatable on swiveling levers. A read head for scanning register marks is arranged after the fourth double printing unit and is connected to a control device. From a setpoint / actual comparison, this control device supplies signals with which an actuating device for actuating the image setting rollers is applied.
Nachteilig an dieser Vorrichtung ist, daß sich bei einer durch eine o. g. Rollenrotationsdruckmaschine laufende Papierbahn großer Breite infolge des Fan-Out-Effektes Passerfehler nicht vermeiden lassen.A disadvantage of this device is that in the case of a device described by a. Web-fed web press with large width due to the fan-out effect.
Die US 53 83 393 A beschreibt eine Vorrichtung zur Kompensation des Fan-Out-Effektes einer Papierbahn. Dabei sind auf beiden Seiten der Papierbahn zueinander versetzte Rollen angeordnet.US 53 83 393 A describes a device for compensating for the fan-out effect of a paper web. Rolls offset from one another are arranged on both sides of the paper web.
Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zur Verwendung einer Vorrichtung zur Kompensation einer Verbreiterung einer Papierbahn in einer Rollenrotationsdruckmaschine zu schaffen.The invention is based on the object To provide a method for using a device for compensating for a widening of a paper web in a web-fed rotary printing press.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des kennzeichnenden Teils des Anspruches 1 gelöst.This object is achieved by the features of the characterizing part of claim 1.
Die durch die Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß der Fan-Out-Effekt insbesondere auch bei Papierbahnen größerer Breite korrigiert werden kann, wie z. B. bei der Herstellung von Telefonbüchern mit Druckeinheiten mit Doppeldruckwerken in sogenannter "Achterturm-Bauweise". Die Doppeldruckwerke können auch in vertikaler Ausrichtung hintereinander angeordnet sein.The advantages that can be achieved by the invention are, in particular, that the fan-out effect can be corrected in particular also in the case of paper webs of greater width, such as, B. in the production of telephone books with printing units with double printing units in a so-called "eight-tower design". The double printing units can also be arranged one behind the other in a vertical orientation.
Es können auch Druckeinheiten mit einem Druckwerk mit Druckzylinder verwendet werden. Eine Druckeinheit kann also aus zwei Druckwerken (blanket to blanket) oder einem Druckwerk mit einem Gegendruckzylinder bestehen.Printing units with a printing unit with a printing cylinder can also be used. A printing unit can therefore consist of two printing units (blanket to blanket) or a printing unit with an impression cylinder.
Jedes zwischen den Druckeinheiten angeordnete Stellwerk ist dem dortigen speziellen Feuchtigkeitsgehalt der laufenden Papierbahn angepaßt. Darüberhinaus können auch bei einseitigen Registerabweichungen einzeln oder gruppenweise nur solche Stell- und Gegenstellelemente an die Papierbahn angestellt werden, die für die Korrektur des Breitenpassers erforderlich sind.Each interlocking arranged between the printing units is adapted to the specific moisture content of the running paper web. In addition, even in the event of one-sided register deviations, only those actuating and counteracting elements that are required for the correction of the width register can be placed on the paper web individually or in groups.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is shown in the drawing and will be described in more detail below.
Es zeigen
- Fig. 1
- die schematische Darstellung der Druckeinheiten mit
jeweils davor angeordneten Stellelementen einer Vorrichtung zur Kompensation einer Verbreiterung einer Papierbahn in Ruhestellung in einer Vorderansicht, jedoch ohne Seitengestelle (Schnitte II-II, III-III und IV-IV in Figuren 2 bis 4); - Fig. 2
- die schematische Darstellung der Anordnung von Stellelementen vor einer zweiten Druckeinheit nach Fig. 1 in einer Draufsicht;
- Fig. 3
- die schematische Darstellung der Anordnung von Stellelementen vor einer dritten Druckeinheit nach Fig. 1 in einer Draufsicht;
- Fig. 4
- die schematische Darstellung der Anordnung von Stellelementen vor einer vierten Druckeinheit nach Fig. 1 in einer Draufsicht.
- Fig. 1
- the schematic representation of the printing units with
in front of each arranged adjusting elements of a device for compensating for a widening of a paper web in the rest position, but without side frames (sections II-II, III-III and IV-IV in Figures 2 to 4); - Fig. 2
- the schematic representation of the arrangement of actuating elements in front of a second printing unit of Figure 1 in a plan view.
- Fig. 3
- the schematic representation of the arrangement of actuating elements in front of a third printing unit of Figure 1 in a plan view.
- Fig. 4
- the schematic representation of the arrangement of actuating elements in front of a fourth printing unit of FIG. 1 in a plan view.
Eine Rollenrotationsdruckmaschine besteht z. B. aus einem Achterturm mit vier übereinander angeordneten Druckeinheiten 1; 2; 3; 4 in Brückenbauweise, Jede der vier Druckeinheiten 1 bis 4 weist zwei gegen eine Papierbahn 6 arbeitende Gummizylinder 7; 8 auf. Jedem Gummizylinder 7; 8 ist ein Plattenzylinder 9; 10 zugeordnet. Die Plattenzylinder 9; 10 arbeiten mit nicht dargestellten Farb- und Feuchtmittelzuführeinrichtungen zusammen. Die Produktionsrichtung der Papierbahn 6 führt von Druckeinheit 1 in Richtung Druckeinheit 4.A web-fed rotary printing press exists e.g. B. from a four-high tower with four superposed printing units 1; 2; 3; 4 in bridge construction, each of the four printing units 1 to 4 has two rubber cylinders 7 working against a paper web 6; 8 on. Each rubber cylinder 7; 8 is a plate cylinder 9; 10 assigned. The plate cylinder 9; 10 cooperate with ink and fountain solution supply devices, not shown. The production direction of the paper web 6 leads from the printing unit 1 in the direction of the printing unit 4.
Auf jeder Seite 12; 13 der Papierbahn 6 und in Produktionsrichtung gesehen, ist vor jeder Druckeinheit 2;
3; 4, außer der Druckeinheit 1, ein Stellwerk II; III; IV mit einer Anzahl n bzw. m voneinander beabstandeter Stellelemente bzw. Gegenstellelemente vorgesehen.On each page 12; 13 of the paper web 6 and seen in the production direction, is in front of each printing unit 2;
3; 4, in addition to the printing unit 1, a signal box II; III; IV provided with a number n or m of spaced adjusting elements or counter-adjusting elements.
Im einzelnen ist die Anordnung wie nachfolgend beschrieben. Ein vor der Druckeinheit 2 befindliches Stellwerk II weist auf einer ersten Seite 12 der Papierbahn 6 eine Anzahl n2 Stellelemente, z. B. ein Stellelement 14, auf. Auf der zweiten Seite 13 der Papierbahn 6 sind eine Anzahl m2 Gegenstellelemente, z. B. zwei Gegenstellelemente 16; 17 angeordnet. Die Gegenstellelemente 16; 17 sind z. B. im Abstand a2 (a2 = halbe Breite der Papierbahn 6) voneinander und im Abstand a2/2 von einer Seitenkante 18; 19 der Papierbahn 6 angeordnet. Das Stellelement 14 ist um einen Abstand a2/2 zu den beiden Gegenstellelementen 16; 17 versetzt, d. h. ist mittig zwischen beiden Gegenstellelementen 16; 17 angeordnet (Fig. 2).In detail, the arrangement is as described below. An interlocking II located in front of the printing unit 2 has on a first side 12 of the paper web 6 a number of n2 adjusting elements, e.g. B. an actuator 14. On the second side 13 of the paper web 6 are a number m2 counter elements, z. B. two counter elements 16; 17 arranged. The counter elements 16; 17 are e.g. B. at a2 distance (a2 = half the width of the paper web 6) from each other and at a2 / 2 distance from a side edge 18; 19 of the paper web 6 arranged. The actuating element 14 is at a distance a2 / 2 from the two opposing actuating elements 16; 17 offset, d. H. is in the middle between the two counter elements 16; 17 arranged (Fig. 2).
Die Abstände a2, a3, a4 sind jeweils Abstände zur Mitte oder von Mitte zu Mitte der Stellelemente.The distances a2, a3, a4 are distances to the center or from center to center of the control elements.
Ein vor der Druckeinheit 3 befindliches Stellwerk III weist auf der ersten Seite 12 der Papierbahn 6 eine Anzahl n3 Stellelemente, z. B. sechs Stellelemente 21 bis 26 auf. Auf der zweiten Seite 13 der Papierbahn 6 sind eine Anzahl m3 Gegenstellelemente, z. B. fünf Gegenstellelemente 29 bis 33 angeordnet. Die Gegenstellelemente 29 bis 33 sind z. B. im Abstand a3 (a3 = ein Sechstel der Breite der Papierbahn 6) voneinander angeordnet. die Stellelemente 21 bis 26 sind ebenfalls im Abstand a3 voneinander und zu den Gegenstellelementen 29 bis 33 jeweils um einen Abstand a3/2 versetzt angeordnet. Dabei befindet sich zwischen der Seitenkante 18; 19 der Papierbahn 6 und dem jeweils äußeren Stellelement 21; 26 ein Abstand von a3/2 (Fig. 3).An interlocking III located in front of the printing unit 3 has on the first side 12 of the paper web 6 a number n3 adjusting elements, e.g. B. six control elements 21 to 26. On the second side 13 of the paper web 6 are a number of m3 counter-elements, z. B. five counter elements 29 to 33 are arranged. The counter elements 29 to 33 are, for. B. at a distance a3 (a3 = one sixth of the width of the paper web 6) from each other. the adjusting elements 21 to 26 are also at a distance a3 from one another and from the Opposing elements 29 to 33 are each offset by a distance a3 / 2. It is located between the side edge 18; 19 of the paper web 6 and the respective outer adjusting element 21; 26 a distance of a3 / 2 (Fig. 3).
Ein vor der Druckeinheit 4 befindliches Stellwerk IV weist auf der ersten Seite der Papierbahn 6 eine Anzahl n4 Stellelemente, z. B. sieben Stellelemente 35 bis 41 auf, welche untereinander einen Abstand a4 (a4 = ein Achtel der Breite der Papierbahn 6) haben. Der gleiche Abstand a4 besteht auch zwischen den äußeren Stellelementen 35; 41 und der Seitenkante 18; 19 der Papierbahn 6. Auf der zweiten Seite 13 der Papierbahn 6 sind eine Anzahl m4 Gegenstellelemente, z. B. acht Gegenstellelemente 43 bis 50 angeordnet. Die Gegenstellelemente 43 bis 50 weisen ebenfalls untereinander einen Abstand a4 auf. Die Gegenstellelemente 43 bis 50 sind zu den Stellelementen 35 bis 41 um einen Abstand a4/2 versetzt angeordnet. Um einen gleichen Abstand a4/2 sind die äußeren Gegenstellelemente 43; 50 von den Seitenkanten 18; 19 der Papierbahn 6 entfernt (Fig. 4).An interlocking IV located in front of the printing unit 4 has on the first side of the paper web 6 a number n4 adjusting elements, e.g. B. seven adjusting elements 35 to 41, which have a spacing a4 (a4 = one eighth the width of the paper web 6). The same distance a4 also exists between the outer adjusting elements 35; 41 and the side edge 18; 19 of the paper web 6. On the second side 13 of the paper web 6 are a number of m4 counter elements, z. B. eight counter elements 43 to 50 are arranged. The counter-adjusting elements 43 to 50 are also at a distance a4 from one another. The counter-adjusting elements 43 to 50 are offset from the adjusting elements 35 to 41 by a distance a4 / 2. The outer counter adjustment elements 43; 50 from the side edges 18; 19 of the paper web 6 removed (Fig. 4).
Alle genannten Stellelemente und Gegenstellelemente der Stellwerke II bis IV können jeweils als auf einer Spindel 52; 53 frei drehbare, aus farbabstoßendem Material bestehenden oder damit überzogenen Stellrollen und Gegenstellrollen ausgebildet sein (in Fig. 1 an Stellwerk III und in Fig. 3 gezeigt). So nimmt die Spindel 52 die Stellrollen 21 bis 26 und die Spindel 53 die Gegenstellrollen 29 bis 33 auf. Beide Spindeln 52; 53 sind von einer Ruhestellung (Fig. 1 und 3) in eine Arbeitsstellung (in Fig. 1 bei Stellwerk III gestrichelt dargestellt) verstellbar. In der Arbeitsstellung wirken die Stellrollen 21 bis 26 und die Gegenstellrollen 29 bis 33 beidseitig auf die Papierbahn 6 ein, so daß an jeder Stelle ihrer Einwirkung eine Querkontraktionsstelle entsteht.All of the above-mentioned adjusting elements and counter-adjusting elements of the signal boxes II to IV can each be arranged on a spindle 52; 53 freely rotatable, made of paint-repellent material or coated with it adjusting rollers and counter-rollers (in Fig. 1 on Interlocking III and shown in Fig. 3). Thus, the spindle 52 receives the adjusting rollers 21 to 26 and the spindle 53 the counter-adjusting rollers 29 to 33. Both spindles 52; 53 are adjustable from a rest position (FIGS. 1 and 3) to a working position (shown in dashed lines in FIG. 1 at signal box III). In the working position, the adjusting rollers 21 to 26 and the counter-adjusting rollers 29 to 33 act on both sides of the paper web 6, so that a cross-contraction point is created at each point of their action.
Die Verstellung der Spindeln 52; 53 kann z. B. mittels zweier scherenartiger Verstellvorrichtungen 54 synchron erfolgen, welche jeweils aus zwei schwenkbar miteinander verbundenen zweiarmigen Hebeln bestehen, deren Schwenkachse 56 jeweils im Seitengestell 57 bzw. 58 gelagert ist. Ein Paar von Arbeitshebeln nimmt jeweils die Enden der Spindeln 52; 53 auf, während ein Paar von Antriebshebeln jeweils mit einem Antrieb verbunden ist. Der Antrieb kann jeweils z. B. aus einem pneumatischen Arbeitszylinder 57 bestehen. Ein derartige Verstellvorrichtung 54 kann für jedes der Stellwerke II; III; IV an den Seitengestellen 57; 58 vorgesehen sein. Eine Betätigung der Arbeitszylinder 59 je Stellwerk II; III; IV erfolgt dabei synchron.The adjustment of the spindles 52; 53 can e.g. B. synchronously by means of two scissors-like adjustment devices 54, each consisting of two pivotally connected two-armed levers, the pivot axis 56 of which is mounted in the side frame 57 and 58, respectively. A pair of working levers each take the ends of the spindles 52; 53 while a pair of drive levers are each connected to a drive. The drive can z. B. consist of a pneumatic cylinder 57. Such an adjustment device 54 can be used for each of the signal boxes II; III; IV on the side frames 57; 58 may be provided. An actuation of the working cylinder 59 per signal box II; III; IV takes place synchronously.
Mit jedem Durchlauf der Papierbahn 6 durch eine Druckeinheit 1 bis 4 nimmt der Feuchtigkeitsgehalt (Penetration) der Papierbahn 6 bekanntermaßen zu. Wie der unterschiedlichen Anzahl n2 bis n4 bzw. m2 bis m4 der Stellelemente bzw. Gegenstellelemente jedes Stellwerkes II; III; IV zu entnehmen ist, verhält sich die Größe des Abstandes a2 bis a4 der Stellelemente bzw. Gegenstellelemente umgekehrt proportional zum Maß des Feuchtigkeitsgehaltes der laufenden Papierbahn 6. Das heißt, je mehr Feuchtigkeit in der Papierbahn 6 vorhanden ist, desto geringer der Abstand der Stell- bzw. Gegenstellelemente voneinander. Gleichzeitig vorhält sich die Anzahl n2 bis n4 bzw. m2 bis m4 der Stellelemente bzw. Gegenstellelemente proportional zum Feuchtigkeitsgehalt der Papierbahn.As is known, the moisture content (penetration) of the paper web 6 increases with each passage of the paper web 6 through a printing unit 1 to 4. Again different numbers n2 to n4 or m2 to m4 of the adjusting elements or counter-adjusting elements of each signal box II; III; IV can be seen, the size of the distance a2 to a4 of the adjusting elements or counteracting elements is inversely proportional to the measure of the moisture content of the running paper web 6. That is, the more moisture is present in the paper web 6, the smaller the distance of the adjusting or counter elements from each other. At the same time, the number n2 to n4 or m2 to m4 of the adjusting elements or counter-adjusting elements is proportional to the moisture content of the paper web.
Somit ist es möglich, eine dem Feuchtigkeitsgehalt der Papierbahn 6 vor jeder Druckeinheit 2; 3; 4 entsprechende Korrektur des Fan-Out-Effektes differenziert vorzunehmen.
Die Eindringtiefe der Stell- bzw. Gegenstellrollen in die Papierbahn 6 - und somit die Größe der Querkontraktion - ist einstellbar.
Eine Vielzahl von Rollen und Gegenstellrollen sorgt für ein qualitätsgerechtes Druckbild, selbst bei einem Panoramabild.
Von Vorteil ist auch, daß sich die mittels der Stell- und Gegenstellrollen eingebrachten Querkontraktionsstellen infolge der jeweils unterschiedlichen Abstände a2 bis a4 der Stell- und Gegenstellrollen nicht überlagern, sondern jeweils nebeneinander angeordnet sind. Dies gilt jedoch nicht für die druckfreien Spalten zwischen den einzelnen Druckplatten.It is thus possible to determine the moisture content of the paper web 6 in front of each printing unit 2; 3; 4 make the corresponding correction of the fan-out effect differentiated.
The depth of penetration of the adjusting or counter-adjusting rollers into the paper web 6 - and thus the size of the transverse contraction - can be adjusted.
A variety of rollers and counter rollers ensure a high-quality print image, even with a panoramic image.
It is also advantageous that the transverse contraction points introduced by means of the adjusting and counter-adjusting rollers do not overlap due to the respective different distances a2 to a4 of the adjusting and counter-adjusting rollers, but are respectively arranged next to one another. However, this does not apply for the pressure-free gaps between the individual printing plates.
Es ist auch möglich, den Abstand der Rollen und Gegenstellrollen in einem anderen Verhältnis zu bemessen, als vorbeschrieben. Insbesondere kann der Abstand der Rollen und Gegenstellrollen a2; a3; a4 der Stellwerke II, III, IV im Bereich der Seitenkante 18; 19 der Papierbahn 6 noch verringert werden. Dabei ist jedoch zu beachten, daß ein Stellelement, z. B. 22 immer mittig zu zwei Gegenstellelementen, z. B. 29, 30 angeordnet ist oder umgekehrt, daß ein Gegenstellelement, z. B. 29 immer mittig zu zwei Stellelementen, z. B. 21, 22 angeordnet ist.It is also possible to measure the distance between the rollers and counter rollers in a different ratio than described above. In particular, the distance between the rollers and counter-rollers a2; a3; a4 of the signal boxes II, III, IV in the area of the side edge 18; 19 of the paper web 6 can still be reduced. However, it should be noted that an actuator, for. B. 22 always centered on two counter elements, z. B. 29, 30 is arranged or vice versa that a counter element, for. B. 29 always centered on two control elements, z. B. 21, 22 is arranged.
Somit ist während des Betriebszustandes der Vorrichtung gewährleistet, daß über die Breite der Papierbahn 6 durch die Stellelemente und Gegenstellelemente abwechselnd von beiden Seiten 12; 13 eingewirkt wird. Die Papierbahn 6 verläuft dann über ihre Breite, im Querschnitt gesehen, sinusförmig.It is thus ensured during the operating state of the device that, over the width of the paper web 6, the adjusting elements and counter-adjusting elements alternate from both sides 12; 13 is acted on. The paper web 6 then runs sinusoidally across its width, viewed in cross section.
Nach einer anderen Ausführungsvariante der Erfindung ist vorgesehen, daß die Stell- und Gegenstellelemente, insbesondere der Stellwerke III und IV, einzeln oder in Gruppen von einer Ruhestellung in eine Arbeitsstellung stellbar sind. Dies ist besonders dann erforderlich, wenn einseitige Registerabweichungen vorhanden sind. Für diesen Fall müssen Einzel- oder Gruppenantriebe für die Stell- und Gegenstellrollen vorgesehen werden, welche vom Maschinenleitstand aus betätigt werden können.According to another embodiment variant of the invention it is provided that the actuating and counteracting elements, in particular the signaling devices III and IV, can be adjusted individually or in groups from a rest position into a working position. This is particularly necessary if there are one-sided register deviations. In this case, single or group drives for the Adjustment and counter-adjustment rollers are provided, which can be operated from the machine control center.
Es ist weiterhin auch möglich, einzelne in den Stellwerken II bis IV angeordnete Antriebe mittels einer Regeleinrichtung zu regeln. Diese Regeleinrichtung steht mit mehreren Abtastköpfen zum Abtasten von Registermarken in Verbindung und liefert aus einem Soll-Istwertvergleich Signale, durch welche die vorgenannten Antriebe betätigt werden.It is also possible to control individual drives arranged in the signal boxes II to IV by means of a control device. This control device is connected to a plurality of scanning heads for scanning register marks and supplies signals from a setpoint / actual value comparison, by means of which the aforementioned drives are actuated.
Nach einer weiteren Ausführungsvariante der Erfindung ist vorgesehen, als Stellelemente und Gegenstellelemente der Stellwerke II bis IV Druckluftdüsen zu verwenden, welche z. B. auf Spindeln 52; 53 bzw. auf zwischen den Seitengestellen 57; 58 befindlichen Traversen fest angeordnet sind. Diese Druckluftdüsen sind in der Stärke des Luftdruckes einstellbar, so daß ein mechanisches Anstellen, wie bei den Stellrollen und Gegenstellrollen erforderlich, entfällt.According to a further embodiment of the invention, it is provided to use compressed air nozzles as control elements and counter-control elements of the signal boxes II to IV, which, for. B. on spindles 52; 53 or between the side frames 57; 58 traverses are firmly arranged. These compressed air nozzles are adjustable in the strength of the air pressure, so that mechanical adjustment, as is required with the adjusting rollers and counter-adjusting rollers, is not necessary.
Wird eine Rollenrotationsdruckmaschine mit vier zu einem Achterturm übereinander angeordneten Druckeinheiten in H-Bauweise ausgeführt, so wird ein Stellwerk zwischen der zweiten und dritten Druckeinheit angeordnet. Das Stellwerk kann dabei wahlweise einer der Ausführungen der Stellwerke II bis IV, ggf. mit Einzelantrieb, entsprechen.If a web-fed rotary printing press is designed with four H-type printing units arranged one above the other to form a eight-high tower, a signal box is arranged between the second and third printing units. The signal box can optionally correspond to one of the versions of the signal boxes II to IV, possibly with a single drive.
Die An- und Abstellung der Stellelemente 21 bis 26; 16, 17, 43 bis 50, d. h. die Veränderung ihrer jeweils wirkenden Anzahl sowie die Abstandsänderungen zueinander, kann auch automatisch über eine elektr. Steuereinrichtung in Abhängigkeit vom jeweiligen Feuchtigkeitsgehalt der Papierbahn erfolgen.The switching on and off of the control elements 21 to 26; 16, 17, 43 to 50, ie the change in their respective effective number and the changes in distance to each other, can also be done automatically via an electrical. Control device depending on the respective moisture content of the paper web.
- 11
- Druckeinheitprinting unit
- 22
- Druckeinheitprinting unit
- 33
- Druckeinheitprinting unit
- 44
- Druckeinheitprinting unit
- 55
- --
- 66
- Papierbahnpaper web
- 77
- Gummizylinder (1 bis 4)Rubber cylinder (1 to 4)
- 88th
- Gummizylinder (1 bis 4)Rubber cylinder (1 to 4)
- 99
- Plattenzylinder (1 bis 4)Plate cylinder (1 to 4)
- 1010
- Plattenzylinder (1 bis 4)Plate cylinder (1 to 4)
- 1111
- --
- 1212
- Seite, erste (6)Page, first (6)
- 1313
- Seite, zweite (6)Side, second (6)
- 1414
- Stellelement (II)Control element (II)
- 1515
- --
- 1616
- Gegenstellelement (II)Counter element (II)
- 1717
- Gegenstellelement (II)Counter element (II)
- 1818
- Seitenkante (6)Side edge (6)
- 1919
- Seitenkante (6)Side edge (6)
- 2020
- --
- 2121
- Stellelement (III)Control element (III)
- 2222
- Stellelement (III)Control element (III)
- 2323
- Stellelement (III)Control element (III)
- 2424
- Stellelement (III)Control element (III)
- 2525
- Stellelement (III)Control element (III)
- 2626
- Stellelement (III)Control element (III)
- 2727
- --
- 2828
- --
- 2929
- Gegenstellelement (III)Counter element (III)
- 3030
- Gegenstellelement (III)Counter element (III)
- 3131
- Gegenstellelement (III)Counter element (III)
- 3232
- Gegenstellelement (III)Counter element (III)
- 3333
- Gegenstellelement (III)Counter element (III)
- 3434
- --
- 3535
- Stellelement (IV)Actuator (IV)
- 3636
- Stellelement (IV)Actuator (IV)
- 3737
- Stellelement (IV)Actuator (IV)
- 3838
- Stellelement (IV)Actuator (IV)
- 3939
- Stellelement (IV)Actuator (IV)
- 4040
- Stellelement (IV)Actuator (IV)
- 4141
- Stellelement (IV)Actuator (IV)
- 4242
- --
- 4343
- Gegenstellelement (IV)Counter element (IV)
- 4444
- Gegenstellelement (IV)Counter element (IV)
- 4545
- Gegenstellelement (IV)Counter element (IV)
- 4646
- Gegenstellelement (IV)Counter element (IV)
- 4747
- Gegenstellelement (IV)Counter element (IV)
- 4848
- Gegenstellelement (IV)Counter element (IV)
- 4949
- Gegenstellelement (IV)Counter element (IV)
- 5050
- Gegenstellelement (IV)Counter element (IV)
- 5151
- --
- 5252
- Spindel (21 bis 26)Spindle (21 to 26)
- 5353
- Spindel (29 bis 33)Spindle (29 to 33)
- 5454
- Verstellvorrichtung (52; 53)Adjusting device (52; 53)
- 5555
- --
- 5656
- Schwenkachse (54)Swivel axis (54)
- 5757
- Seitengestellside frame
- 5858
- Seitengestellside frame
- 5959
- Arbeitszylinder (54)Working cylinder (54)
- a2 bis a4a2 to a4
- Abstanddistance
- m2 bis m4m2 to m4
- Abstanddistance
- n2 bis n4n2 to n4
- Abstanddistance
- II, III, IVII, III, IV
- Stellwerksignal box
Claims (5)
- Method of using an apparatus to compensate for broadening of a paper web (6), upstream of the entries to selected printing units (2; 3;4) of a web-fed rotary offset printing machine, arising from an increase in the moisture content during printing from printing unit (2; 3; 4) to printing unit (2; 3; 4) as a result of the printing-plate dampening process, the apparatus comprising a plurality of mutually spaced actuating elements (21 to 26; 35 to 41) acting on both sides (12; 13) of the paper web (6), and the actuating elements (21 to 26) of one side (12) of the paper web (6) being arranged to act in the gaps between the spaced actuating elements (35 to 41) of the other side (13) of the paper web (6), characterized in that the number of actuating elements (21 to 26; 35 to 41) acting on the paper web (6) increases from printing unit (2; 3; 4) to printing unit (2; 3; 4) as the moisture content of the paper web (6) rises.
- Method according to Claim 1, characterized in that the distances (a2,a3, a4) between the actuating elements (21 to 26; 35 to 41) acting on the paper web (6) decrease from printing unit (2; 3; 4) to printing unit (2; 3; 4) as the moisture content of the paper web (6) rises.
- Method according to Claims 1 and 2, characterized in that the actuating elements (14; 21 to 26; 35 to 41) and opposing actuating elements (16, 17; 29 to 33; 43 to 50) can in each case be set, individually or in groups, from a rest position into an operating position on the paper web (6).
- Method according to Claims 1 to 3, characterized in that the actuating elements (14; 21 to 26; 35 to 41) and opposing actuating elements (16, 17; 29 to 33; 43 to 50) comprise compressed-air nozzles.
- Method according to Claims 1 to 3, characterized in that the actuating elements (14; 21 to 26; 35 to 41) and opposing actuating elements (16, 17; 29 to 33; 43 to 50) comprise freely rotatable actuating rollers.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19644391 | 1996-10-25 | ||
| DE19644391 | 1996-10-25 | ||
| PCT/DE1997/002476 WO1998018626A1 (en) | 1996-10-25 | 1997-10-24 | Arrangement for correcting the fan-out effect on web-fed printing presses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0938414A1 EP0938414A1 (en) | 1999-09-01 |
| EP0938414B1 true EP0938414B1 (en) | 2002-02-27 |
Family
ID=7809976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97947021A Expired - Lifetime EP0938414B1 (en) | 1996-10-25 | 1997-10-24 | Arrangement for correcting the fan-out effect on web-fed printing presses |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6021713A (en) |
| EP (1) | EP0938414B1 (en) |
| JP (1) | JP3246557B2 (en) |
| DE (2) | DE59706517D1 (en) |
| ES (1) | ES2172819T3 (en) |
| WO (1) | WO1998018626A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005072966A1 (en) | 2004-01-28 | 2005-08-11 | Koenig & Bauer Aktiengesellschaft | Printing machine with a device and a method for compensation of a longitudinal elongation and a transverse elongation of a printed web printed in differing printing couples |
| WO2005072967A2 (en) | 2004-01-28 | 2005-08-11 | Koenig & Bauer Aktiengesellschaft | Methods for the compensation of a transverse elongation and/or a longitudinal elongation of a printing material and printing press with several printing couples generating at least one printed image on a printing material |
| FR2905302A1 (en) * | 2006-09-04 | 2008-03-07 | Diffusion De Materiel Et D Imp | DEVICE FOR COMPENSATING THE WIDTH VARIATION OF A FLEXIBLE PRINTING MEDIUM AND PRINTING MACHINE COMPRISING SUCH A DEVICE. |
| DE202007018444U1 (en) | 2007-01-30 | 2008-07-24 | Koenig & Bauer Aktiengesellschaft | press |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29718907U1 (en) * | 1996-10-25 | 1997-12-18 | Koenig & Bauer-Albert Aktiengesellschaft, 97080 Würzburg | Device for correcting the fan-out effect on web-fed rotary printing machines |
| ES2179695T3 (en) | 1998-12-04 | 2003-01-16 | Koenig & Bauer Ag | PROCEDURE FOR REGULATION OF A REGISTRATION. |
| US6553908B1 (en) * | 2000-09-29 | 2003-04-29 | Heidelberger Druckmaschinen Ag | Web fanout control system |
| US6851362B2 (en) * | 2002-03-22 | 2005-02-08 | Goss International Americas, Inc. | Printing cylinder with fanout compensation |
| DE10225200B4 (en) * | 2002-06-06 | 2007-04-26 | Maschinenfabrik Wifag | Rotary body for compensation of fanout |
| DE10225199B4 (en) * | 2002-06-06 | 2004-05-06 | Maschinenfabrik Wifag | Fluid-loaded FanOut compensator |
| DE10352619B4 (en) * | 2003-07-11 | 2012-09-27 | Koenig & Bauer Aktiengesellschaft | Method and device for influencing the fan-out effect |
| DE10340569A1 (en) * | 2003-09-01 | 2005-04-07 | Koenig & Bauer Ag | Method for reducing registration errors on a web-processing device and a printing unit |
| US7222571B2 (en) * | 2004-04-22 | 2007-05-29 | Bradley Susen | Fan-out control assembly |
| US20070175346A1 (en) * | 2006-02-02 | 2007-08-02 | Goss International Americas, Inc. | Reverse air flow web stabilizer |
| DE102007039485A1 (en) * | 2007-08-21 | 2009-02-26 | Manroland Ag | Method for operating a web-fed printing machine |
| US20120090485A1 (en) * | 2009-06-25 | 2012-04-19 | Mitsubishi Heavy Industries Printing & Packaging Machinery, Ltd, | Lateral register correcting device, printing press, and lateral register correcting method |
| US20140102326A1 (en) * | 2012-10-12 | 2014-04-17 | Goss International Americas, Inc. | Printing press including bowed axis rollers and method of printing |
| DE102013214566B4 (en) * | 2013-07-25 | 2015-02-05 | Koenig & Bauer Aktiengesellschaft | Method for compensating a fan-out-related transverse strain of a printing substrate printed in a printing machine with a plurality of printing inks using at least one adjusting means of an image path controller |
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| JP2602488B2 (en) * | 1989-05-30 | 1997-04-23 | 株式会社 東京機械製作所 | Double-sided multicolor printing machine |
| DK0511424T3 (en) * | 1991-04-30 | 1995-07-31 | Hirakawa Kogyosha Kk | Transport roller assembly for transporting plate-shaped objects |
| US5553542A (en) * | 1991-11-06 | 1996-09-10 | Rockwell International Corporation | System for controlling a web in a printing press |
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| JP2566897B2 (en) * | 1992-07-29 | 1996-12-25 | 株式会社東京機械製作所 | Multicolor printing planographic printing machine |
| DE4327646C5 (en) * | 1992-10-23 | 2006-04-27 | Kabushiki Kaisha Tokyo Kikai Seisakusho | Width adjustment method for a paper web and lithographic rotary press equipped therewith |
| DE29501373U1 (en) * | 1995-01-30 | 1995-04-27 | MAN Roland Druckmaschinen AG, 63075 Offenbach | Device for correcting the fan-out effect on web-fed rotary printing machines |
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-
1997
- 1997-10-24 WO PCT/DE1997/002476 patent/WO1998018626A1/en active IP Right Grant
- 1997-10-24 US US09/284,491 patent/US6021713A/en not_active Expired - Fee Related
- 1997-10-24 DE DE59706517T patent/DE59706517D1/en not_active Expired - Lifetime
- 1997-10-24 DE DE29718968U patent/DE29718968U1/en not_active Expired - Lifetime
- 1997-10-24 JP JP51989298A patent/JP3246557B2/en not_active Expired - Fee Related
- 1997-10-24 ES ES97947021T patent/ES2172819T3/en not_active Expired - Lifetime
- 1997-10-24 EP EP97947021A patent/EP0938414B1/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005072966A1 (en) | 2004-01-28 | 2005-08-11 | Koenig & Bauer Aktiengesellschaft | Printing machine with a device and a method for compensation of a longitudinal elongation and a transverse elongation of a printed web printed in differing printing couples |
| WO2005072967A2 (en) | 2004-01-28 | 2005-08-11 | Koenig & Bauer Aktiengesellschaft | Methods for the compensation of a transverse elongation and/or a longitudinal elongation of a printing material and printing press with several printing couples generating at least one printed image on a printing material |
| DE102004004264B4 (en) * | 2004-01-28 | 2008-12-04 | Koenig & Bauer Aktiengesellschaft | Method for compensating for a transverse strain and / or a longitudinal expansion of a printing substrate and printing press with a plurality of at least one printed image on a printing material-generating printing units |
| US7614343B2 (en) | 2004-01-28 | 2009-11-10 | Koenig & Bauer Aktiengesellschaft | Methods for the compensation of a transverse elongation and/or longitudinal elongation of a printing material and printing press with several printing couples generating at least one printed image on a printing material |
| DE102004004264C5 (en) * | 2004-01-28 | 2011-02-24 | Koenig & Bauer Aktiengesellschaft | Method for compensating for a transverse strain and / or a longitudinal expansion of a printing substrate and printing machine with a plurality of at least one printed image on a printing material-generating printing units |
| FR2905302A1 (en) * | 2006-09-04 | 2008-03-07 | Diffusion De Materiel Et D Imp | DEVICE FOR COMPENSATING THE WIDTH VARIATION OF A FLEXIBLE PRINTING MEDIUM AND PRINTING MACHINE COMPRISING SUCH A DEVICE. |
| WO2008029013A1 (en) * | 2006-09-04 | 2008-03-13 | Diffusion De Materiel Et D'imprimerie | Device for compensating for the variation in width of a flexible print support and printing machine comprising such a device |
| DE202007018444U1 (en) | 2007-01-30 | 2008-07-24 | Koenig & Bauer Aktiengesellschaft | press |
| DE102007004408A1 (en) | 2007-01-30 | 2008-08-07 | Koenig & Bauer Aktiengesellschaft | Lateral strain compensating method for print substrate web, involves passing print substrate web through printing units of printing machine, expanding two printing plates, and dividing print substrate web lengthwise into two strands |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000505741A (en) | 2000-05-16 |
| ES2172819T3 (en) | 2002-10-01 |
| DE59706517D1 (en) | 2002-04-11 |
| DE29718968U1 (en) | 1997-12-18 |
| EP0938414A1 (en) | 1999-09-01 |
| WO1998018626A1 (en) | 1998-05-07 |
| US6021713A (en) | 2000-02-08 |
| JP3246557B2 (en) | 2002-01-15 |
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