EP0395959B1 - Method and device for adjusting an ink metering device in a printing press from a zero ink application position - Google Patents
Method and device for adjusting an ink metering device in a printing press from a zero ink application position Download PDFInfo
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- EP0395959B1 EP0395959B1 EP90107556A EP90107556A EP0395959B1 EP 0395959 B1 EP0395959 B1 EP 0395959B1 EP 90107556 A EP90107556 A EP 90107556A EP 90107556 A EP90107556 A EP 90107556A EP 0395959 B1 EP0395959 B1 EP 0395959B1
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- European Patent Office
- Prior art keywords
- ink metering
- ink
- metering elements
- elements
- computer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
- B41F31/045—Remote control of the duct keys
Definitions
- the invention relates to a method for setting an ink metering system of printing presses on zero ink application, the ink metering system consisting of several ink metering elements which can be moved against an inking roller by means of an actuator and whose positions relative to the inking roller are measured by a position transmitter attached to each ink metering element, and a device for setting an ink metering system from printing machines to zero ink application, where the ink metering system consists of several ink metering elements, and each ink metering element can be moved towards the inking roller by a remote-controlled actuator, and can also be moved away from the inking roller, each ink metering element is guided through a housing which is in an unchanged rigid position relative to the inking roller is locked and carries the actuator, each ink metering element has a position transmitter which measures the position of the ink metering element relative to the inking roller, in a control computer for each combination from Fa rbdosierelement and position transmitter, a characteristic curve is
- the ink is applied zone by zone on the inking roller, the ink metering elements forming the zones being set in accordance with the ink requirements of the printing plate.
- the ink metering elements are provided with a remotely controllable actuator and also have position transmitters.
- the measurement signals of the position transmitters reach an operating panel via an input and output control and a control computer which calculates positions from these signals.
- the positions of the individual ink metering elements are displayed there, for example by means of rows of LEDs which are assigned to the individual zones of the inking roller.
- the printer can now correct the actual values of the positions of the ink metering elements in accordance with the target values provided for the zones.
- the control commands required for this correction are calculated by the control computer and are then assigned to the actuators of the individual color metering elements via the input and output controls.
- a characteristic curve can be stored in the control computer for each combination of the color metering element and position transmitter, which represents the relationship between the measurement signal and position.
- the zero position of the respective color metering element must also be contained in each characteristic curve.
- the ink metering system has been preset, i.e.
- the setting of all ink metering elements to zero ink application and the corresponding storage of these positions in the characteristic curves of the control computer does not take into account the constantly changing operating parameters such as thermal expansion of the ink roller diameter and the ink metering elements, wear of the ink roller surface and the tips the color metering elements and bearing play.
- a remote controlled setting of the ink metering system to zero ink application by the printer and corresponding visual assessment of the Applying paint on the inking roller requires a lot of experience, is time-consuming and therefore associated with a lot of waste.
- the ink metering device for a printing machine consists of an ink metering element which is pressed against the inking roller by spring force. Contrary to this spring force, the drive pulls the ink metering element into the desired position relative to the inking roller via an actuating gear. If the ink metering element reaches the inking roller (zero ink application), a contact opens and the drive is switched off and this position is saved for the further adjustment processes. In addition to the switch contained in the ink metering unit, a position transmitter is also required.
- DE-PS 3 331 208 describes a device for the automatic setting of several color metering elements in a parallel starting position, for example in the position with zero color application. For this purpose, the color density is measured optically and readjusted according to each color metering element.
- a color-free calibration zone is necessary for the automatic setting of the color metering elements to zero color application, and gloss effects which have a disadvantageous effect cannot be ruled out, especially with fresh color.
- DE-OS 3 424 349 discloses a method together with a device for recognizing the operating state of an actuator, for example that of an ink metering element of a printing press, in which the load-dependent motor current is determined and a certain threshold value is exceeded because, for example, that Ink metering element is present on the ink roller, blocking of the drive signals. It would therefore be conceivable to make the switching off of the drive of the ink metering element dependent on this threshold value being exceeded. Because of the high translation of a spindle drive, however, excessive contact forces of the ink metering element on the inking roller are to be expected.
- the invention is therefore based on the object of designing a color metering system of the type mentioned in such a way that a color metering system can be set automatically, quickly and precisely to zero color application at any time.
- FIG. 1 The basic components of a control system of a color metering system can be seen in FIG. 1.
- the color metering system consists of several color metering elements 1, the clarity only two are shown.
- Each ink metering element can be moved towards and away from the inking roller 3 by a remotely controllable actuator 2.
- Each ink metering element 1 is guided through a housing 4 which carries the drive 2 and is locked in a fixed position relative to the inking roller 3.
- a position transmitter 5 is connected, the measurement signal of which is a measure of the position of the ink metering element 1 with respect to the inking roller 3.
- the measurement signals of the position transmitters 5 of the color metering elements 1 pass to an control computer 7 via an input and output control 6, which according to the prior art is designed, for example, as a bus system.
- the control computer 7 calculates from these measurement signals using characteristic curves stored in it, which for each color metering element 1 - position transmitter 5 - combination represent the relationship between the measurement signal and the position of the respective color metering element 1, the positions of the individual color metering elements 1. These positions of the color metering elements 1 are then visually displayed on the control panel 8.
- each color metering element 1, i.e. a row of light-emitting diodes can be assigned to each ink metering zone of the inking roller 3.
- the printer can individually change each ink metering element 1 in its position relative to ink roller 3.
- the commands entered via the control panel 8 are converted into control signals in the control computer 7 and assigned to the actuators 2 of the corresponding color metering elements 1 via the input and output control 6.
- each ink metering element 1 In order to be able to display the position of each ink metering element 1 on the control panel 8 absolutely, ie exactly according to the distance between the respective ink metering element 1 and the inking roller 3, the zero position of each ink metering element 1 must be stored in the control computer 7.
- each ink metering element 1 can be completely on the inking roller 3, for example when installing the ink metering system are turned on and the corresponding measurement signals of the position transmitter 5 are stored in the characteristics contained in the control computer 7 as a zero position.
- the printer Before each start of printing, the printer can also control each ink metering element 1 in the direction of the ink roller 3 via the control panel 8 until there is no more ink application and so store the zero positions of the ink metering elements 1 in the control computer 7.
- Such remote control for manual application of zero ink is lengthy and requires a great deal of experience in order to achieve an even adjustment of the ink metering elements 1 over the width of the ink roller 3.
- a one-time storage of the zero positions of the ink metering elements 1 (installation) or a storage of these zero positions only before each start of printing can change the operating parameters that change during printing operation, such as thermal expansion of the ink roller diameter, the ink metering elements 1, wear on the surface of the ink roller 3 and the tips the color metering elements 1 and changing bearing play are not taken into account.
- the aim of the present invention is to develop a method and a device that quickly and precisely sets the color metering system of the type according to FIG. 1 to a zero color order in order to store these positions of the color metering elements 1 in the control computer 7 as a starting point for the further setting processes.
- the actuators 2 of the ink metering elements 1 are switched on for movement in the direction of the inking roller and it is determined whether the measurement signals of the position sensors 5 of the ink metering elements 1 change within a short time interval and those actuators 2 of the color metering elements 1 are switched off when the measurement signals whose position transmitter 5 no longer have any change within this time interval.
- control device 9 provided according to the invention for carrying out the method is shown in FIG. 2.
- the control device 9 consists of a microcomputer (MC), 2 input interfaces (II1, II2), 2 output interfaces (OI1, OI2) with an analog-to-digital converter 10.
- the measurement signals fed from the position transmitters 5 of the individual color metering elements 1 to the control computer 7 via the input and output control 6 are fed in parallel to the control device 9. Its input for the measurement signals from the position sensors 5 consists of the analog-digital converter 10 and input interface (II1).
- the input interface (II1) is designed in accordance with the type of transmission of the measurement signals to the control computer 7, for example as a demultiplexer if the measurement signals of the position transmitter 5 are transmitted using a multiplex method.
- the measurement signals of the position transmitter 5 are digitized on the microcomputer (MC) via the analog-digital converter 10 and the input interface (II1).
- the microcomputer (MC) can switch each actuator 2, each ink metering element 1 in the direction of the ink roller 3 and switch off each actuator 2 individually.
- Output interface (OI1) is designed in such a way that output interface (OI1) generates the control signals for switching the actuators 2 of the ink metering elements 1 on and off in the manner of the control computer 7 and the transmission of the input and output control 6.
- the microcomputer (MC) receives this via the input interface (II2) Signal for setting the color metering elements 1 to zero color application from the control panel 8, likewise a time interval can be stored in the microcomputer (MC) via the input interface (II2) and control panel 8, which is used to calculate the change in the measurement signals of the position transmitter 5 according to method claim 1.
- the input interface (II2) is designed as a signal converter and input unit.
- Output interface (OI2) is used to transmit the zero positions of the color metering elements 1 from the microcomputer (MC) to the control computer 7, where they are stored.
- Output interface (OI2) is designed as a signal converter, so that the zero positions are applied to the control computer 7 in the signal form in which they are stored there.
- control device 9 If the control device 9 is given the command to reset the ink metering system by the control panel 8, the actuators 2 of all the ink metering elements 1 are switched on in the direction of the ink roller 3 via a microcomputer (MC) and output interface (OI1).
- MC microcomputer
- OI1 output interface
- the microcomputer (MC) stores a measurement signal from each position transmitter 5 digitally via analog-digital converter 10 and input interface (II1). After the short time interval, the microcomputer (MC) repeats this reading in of the measurement signals. At the same time, a comparison is made as to whether or not the measurement signals from the position transmitters 5 have changed from those previously read. Via the output interface (OI1) and the input and output control 6, the microcomputer (MC) keeps those actuators 2 of the ink metering elements 1 turned on in the direction of the inking roller 3, the measuring signals of which the position transmitter 5 have changed within the time interval. Likewise, the microcomputer (MC) switches off those actuators 2 of the ink metering elements 1 whose position transmitters 5 deliver the same measurement signal as before the time interval.
- the measurement signals of the color metering elements 1, the actuators 2 of which have been switched off by the microcomputer (MC), are now stored in the control computer 7 via the output interface (OI2).
- the microcomputer (MC) repeats the saving and the comparison of the measurement signals of the position sensors 5 read in at intervals of the time interval until the actuators 2 of all the color metering elements 1 are switched off.
- the color metering system is now set to zero color application and the zero positions of all color metering elements 1 are stored in the control computer 7.
- the selection of the time interval stored in the microcomputer (MC) via the input interface (II2) i.e. the time rate with which the microcomputer (MC) reads in position values of the position transmitters 5 of the color metering elements 1 and compares them with those previously read in and stored, depends on the driving speed of the color metering elements 1 and the resolution of the position transmitters 5.
- This time interval should be chosen so that the travel of the color metering elements 1 is minimal within this time, but on the other hand large enough so that there is a change in position of the color metering element 1, which causes a clear change in the measurement signal supplied by the position transmitter 5.
- FIG 3 shows the mechanical construction of the position transmitter 5 according to the characterizing features of claim 5.
- the ink metering unit consists of an ink metering element 1, which can be moved towards and away from the inking roller 3 by a remotely controllable actuator 2.
- the actuator 2 also includes a gear arrangement, which is not shown.
- the ink metering element 1 is guided through a housing 4, which also carries the actuator 2 and is firmly locked to the inking roller 3.
- a touch plate 11 is connected to the color metering element 1 and a mounting plate 12 is arranged on a part of the housing 4, into which a Sensor 13 is inserted such that a gap S is formed between the touch plate 11 and the sensor 13.
- This gap S is dependent on the position of the ink metering element 1 to the inking roller 3 and should be chosen so that even at the greatest distance provided by the tip of the ink metering element 1 to the inking roller 3, this gap S does not become zero, ie the touch plate 11 So sensor 13 is not touched.
- a state-of-the-art capacitive, inductive, optical sensor is installed as a sensor 13 in the mounting plate 12.
- the measurement signal of the sensor 13 is then dependent on the size of the gap S.
- Such a design of a position transmitter 5 as a sensor 13, which measures a Saplt S, which depends on the position of the ink metering element 1, has the advantage that not only the position of the ink metering element 1 is measured, but that every change in the position of the ink metering element 1 to its housing 4 also expresses as a change in the measurement signal of the sensor 13.
- a position transmitter 5 of this type can therefore not only measure the position of the ink metering element 1 relative to the housing 4, but also a movement of the ink metering element 1 in the sense of a change in its position over time.
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Spectrometry And Color Measurement (AREA)
- Dot-Matrix Printers And Others (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Stellen einer Farbdosieranlage von Druckmaschinen auf Nullfarbauftrag, wobei die Farbdosieranlage aus mehreren, mittels Stellantrieb gegen eine Farbwalze bewegbaren Farbdosierelementen besteht und deren Stellungen zur Farbwalze durch einen an jedem Farbdosierelement angebrachten Stellungsgeber gemessen werden, sowie eine Vorrichtung zum Stellen einer Farbdosieranlage von Druckmaschinen auf Nullfarbauftrag, wobei die Farbdosieranlage aus mehreren Farbdosierelementen besteht, und jedes Farbdosierelement durch einen fernsteuerbaren Stellantrieb in Richtung zur Farbwalze hinbewegbar, als auch von der Farbwalze wegbewegbar ist, jedes Farbdosierelement durch ein Gehäuse geführt wird, welches in einer unverändert starren Position zur Farbwalze arretiert ist und den Stellantrieb trägt, jedes Farbdosierelement einen Stellungsgeber aufweist, der die Stellung des Farbdosierelements zur Farbwalze mißt, in einem Steuerrechner zu jeder Kombination von Farbdosierelement und Stellungsgeber eine Kennlinie abgespeichert ist, welche den Zusammenhang zwischen Stellungsgebersignal und Stellung des Farbdosierelements wiedergibt, jedes Farbdosierelement mindestens einmal, beispielsweise zu Druckbeginn und während Druckpausen ganz an die Farbwalze hergefahrbar ist und diese Stellung der entsprechenden Kennlinie als Nullabstand zugeordnet wird, so daß über ein Bedienpult und den Steuerrechner die Ist-Werte der Farbdosierelemente entsprechend den vorgesehenen Sollwerten korrigiert werden können.The invention relates to a method for setting an ink metering system of printing presses on zero ink application, the ink metering system consisting of several ink metering elements which can be moved against an inking roller by means of an actuator and whose positions relative to the inking roller are measured by a position transmitter attached to each ink metering element, and a device for setting an ink metering system from printing machines to zero ink application, where the ink metering system consists of several ink metering elements, and each ink metering element can be moved towards the inking roller by a remote-controlled actuator, and can also be moved away from the inking roller, each ink metering element is guided through a housing which is in an unchanged rigid position relative to the inking roller is locked and carries the actuator, each ink metering element has a position transmitter which measures the position of the ink metering element relative to the inking roller, in a control computer for each combination from Fa rbdosierelement and position transmitter, a characteristic curve is stored, which reflects the relationship between the position transmitter signal and the position of the ink metering element, each ink metering element can be moved completely to the inking roller at least once, for example at the start of printing and during printing breaks, and this position is assigned to the corresponding characteristic curve as a zero distance, so that over a control panel and the control computer the actual values of the color metering elements can be corrected according to the intended setpoints.
Bei modernen Druckmaschinen erfolgt der Farbauftrag auf der Farbwalze zonenweise, wobei die die Zonen bildenden Farbdosierelemente entsprechend den Farbbedürfnissen der Druckplatte eingestellt werden. Dazu sind die Farbdosierelemente mit einem fernsteuerbaren Stellantrieb versehen und weisen ferner Stellungsgeber auf. Die Meßsignale der Stellungsgeber gelangen über eine Ein- und Ausgabesteuerung und einen Steuerrechner, der aus diesen Signalen Stellungen errechnet, zu einem Bedienpult. Dort erfolgt die Anzeige der Stellungen der einzelnen Farbdosierelemente beispielsweise mittels Leuchtdiodenreihen, die den einzelnen Zonen der Farbwalze zugeordnet sind. Über das Bedienpult kann nun der Drucker die Ist-Werte der Stellungen der Farbdosierelemente entsprechend den für die Zonen vorgesehenen Soll-Werten korrigieren. Die für diese Korrektur nötigen Stellbefehle errechnet der Steuerrechner und teilt diese den Stellantrieben der einzelnen Farbdosierelemente wiederum über die Ein- und Ausgabesteuerung zu.In modern printing machines, the ink is applied zone by zone on the inking roller, the ink metering elements forming the zones being set in accordance with the ink requirements of the printing plate. For this purpose, the ink metering elements are provided with a remotely controllable actuator and also have position transmitters. The measurement signals of the position transmitters reach an operating panel via an input and output control and a control computer which calculates positions from these signals. The positions of the individual ink metering elements are displayed there, for example by means of rows of LEDs which are assigned to the individual zones of the inking roller. Using the control panel, the printer can now correct the actual values of the positions of the ink metering elements in accordance with the target values provided for the zones. The control commands required for this correction are calculated by the control computer and are then assigned to the actuators of the individual color metering elements via the input and output controls.
Für die Errechnung der Stellungen der Farbdosierelemente aus den Meßsignalen der Stellungsgeber heraus kann im Steuerrechner zu jeder Kombination vom Farbdosierelement und Stellungsgeber eine Kennlinie abgespeichert sein, die den Zusammenhang vom Meßsignal und Stellung wiedergibt. In jeder Kennlinie muß aber ebenfalls die Nullstellung des jeweiligen Farbdosierelements enthalten sein.For the calculation of the positions of the color metering elements from the measurement signals of the position transmitter, a characteristic curve can be stored in the control computer for each combination of the color metering element and position transmitter, which represents the relationship between the measurement signal and position. However, the zero position of the respective color metering element must also be contained in each characteristic curve.
Eine einmal vorgegebene Nulleinstellung der Farbdosieranlage, d.h. das Einstellen aller Farbdosierelemente auf Nullfarbauftrag und entsprechendes Abspeichern dieser Stellungen in den Kennlinien des Steuerrechners, beispielsweise bei der Installation der Farbdosieranlage oder zu Druckbeginn, berücksichtigt aber nicht die sich dauernd ändernden Betriebsparamter wie thermische Ausdehnung des Farbwalzendurchmessers und der Farbdosierelemente, Abnutzung der Farbwalzenoberfläche und der Spitzen der Farbdosierelemente sowie Lagerspiel.Once the ink metering system has been preset, i.e. The setting of all ink metering elements to zero ink application and the corresponding storage of these positions in the characteristic curves of the control computer, for example when installing the ink metering system or at the start of printing, does not take into account the constantly changing operating parameters such as thermal expansion of the ink roller diameter and the ink metering elements, wear of the ink roller surface and the tips the color metering elements and bearing play.
Ein ferngesteuertes Stellen der Farbdosieranlage auf Nullfarbauftrag durch den Drucker und entsprechend visuelles Beurteilen des Farbauftrages auf der Farbwalze erfordert viel Erfahrung, ist zeitraubend und dementsprechend mit viel Makulatur verbunden.A remote controlled setting of the ink metering system to zero ink application by the printer and corresponding visual assessment of the Applying paint on the inking roller requires a lot of experience, is time-consuming and therefore associated with a lot of waste.
Durch die DE-PS 2 935 489 ist eine Vorrichtung bekannt, bei der ein Mikrocomputer die Stellungen der an der Farbwalze anliegenden Farbdosierelemente über Sensoren erfaßt, abspeichert und als Nullstellung der Farbdosierelemente wertet. Wie diese Einstellung erfolgen soll, darüber jedoch enthält die Druckschrift keine Angaben.From DE-PS 2 935 489 a device is known in which a microcomputer detects the positions of the ink metering elements lying on the ink roller via sensors, stores them and evaluates them as the zero position of the ink metering elements. How this setting should be carried out, however, the publication contains no information.
Die Farbdosiereinrichtung für eine Druckmaschine nach DE-PS 3 324 952 besteht aus einem Farbdosierelement, welches mit Federkraft gegen die Farbwalze gedrückt wird. Entgegen dieser Federkraft zieht der Antrieb über ein Stellgetriebe das Farbdosierelement in die gewünschte Stellung zur Farbwalze. Erreicht das Farbdosierelement die Farbwalze (Nullfarbauftrag), so öffnet sich ein Kontakt und es erfolgt das Abschalten des Antriebs, sowie das Speichern dieser Stellung für die weiteren Stellvorgänge. Neben dem in der Farbdosiereinheit enthaltenen Schalter ist dafür aber noch ein Stellungsgeber nötig.The ink metering device for a printing machine according to DE-PS 3 324 952 consists of an ink metering element which is pressed against the inking roller by spring force. Contrary to this spring force, the drive pulls the ink metering element into the desired position relative to the inking roller via an actuating gear. If the ink metering element reaches the inking roller (zero ink application), a contact opens and the drive is switched off and this position is saved for the further adjustment processes. In addition to the switch contained in the ink metering unit, a position transmitter is also required.
Die DE-PS 3 331 208 schildert eine Einrichtung zur automatischen Einstellung mehrerer Farbdosierelemente in eine parallele Ausgangsstellung, beispielsweise in die Stellung mit Nullfarbauftrag. Dazu wird optisch die Farbdichte gemessen und entsprechend jedes Farbdosierelementes nachgeregelt. Nachteilig ist aber, daß für die automatische Stellung der Farbdosierelemente auf Nullfarbauftrag eine farbfreie Eichzone nötig ist und gerade bei frischer Farbe sich nachteilig auswirkende Glanzeffekte nicht ausgeschlossen werden können.DE-PS 3 331 208 describes a device for the automatic setting of several color metering elements in a parallel starting position, for example in the position with zero color application. For this purpose, the color density is measured optically and readjusted according to each color metering element. However, it is disadvantageous that a color-free calibration zone is necessary for the automatic setting of the color metering elements to zero color application, and gloss effects which have a disadvantageous effect cannot be ruled out, especially with fresh color.
Durch die DE-OS 3 424 349 ist ein Verfahren nebst Vorrichtung zum Erkennen des Betriebszustandes eines Stellantriebs, beispielsweise des eines Farbdosierelementes einer Druckmaschine bekannt, bei dem der lastabhängige Motorstrom ermittelt wird und eine Überschreitung eines bestimmten Schwellenwertes, weil beispielsweise das Farbdosierelement an der Farbwalze ansteht, ein Blockieren des Antriebs signalisiert. Es wäre also denkbar, das Abschalten des Antriebs des Farbdosierelementes vom Überschreiten dieses Schwellenwertes abhängig zu machen. Wegen der hohen Übersetzung eines Spindeltriebes sind aber zu hohe Anstellkräfte des Farbdosierelementes an die Farbwalze zu erwarten.DE-OS 3 424 349 discloses a method together with a device for recognizing the operating state of an actuator, for example that of an ink metering element of a printing press, in which the load-dependent motor current is determined and a certain threshold value is exceeded because, for example, that Ink metering element is present on the ink roller, blocking of the drive signals. It would therefore be conceivable to make the switching off of the drive of the ink metering element dependent on this threshold value being exceeded. Because of the high translation of a spindle drive, however, excessive contact forces of the ink metering element on the inking roller are to be expected.
Aus der EP-A-0 061 596 ist es bei einer Vielzahl von Stellmotoren zum Einstellen des Farbschichtdickenprofils mittels Stellzylindern (Farbdosierelementen) bekannt, eine zyklische Abfrage der an den einzelnen Stellmotoren mittels Potentiometern erfaßten Ist-Werte sowie der den entsprechenden Stellmotoren vorgegebenen Soll-Werte vorzunehmen. Dazu wird über eine Decodierschaltung jeweils ein Soll-Ist-Wertepaar an eine als Komparatorschaltung ausgebildete Vergleichseinrichtung geschaltet und entsprechend der Gleichheit bzw. Ungleichheit des Soll-Ist-Wertevergleichs ein entsprechendes An- bzw. Abschalten des jeweiligen Stellmotores ausgelöst.From EP-A-0 061 596 it is known for a large number of servomotors for setting the ink layer thickness profile by means of actuating cylinders (ink metering elements), a cyclical interrogation of the actual values detected on the individual servomotors by means of potentiometers and of the target values specified for the corresponding servomotors to make. For this purpose, a set-actual-value pair is connected to a comparison device designed as a comparator circuit via a decoding circuit, and a corresponding switching on or off of the respective servomotor is triggered in accordance with the equality or inequality of the set-actual value comparison.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Farbdosieranlage der eingangs genannten Art so auszubilden, daß eine Farbdosieranlage jederzeit automatisch, schnell und präzise auf Nullfarbauftrag zu stellen ist.The invention is therefore based on the object of designing a color metering system of the type mentioned in such a way that a color metering system can be set automatically, quickly and precisely to zero color application at any time.
Die Aufgabe wird durch die Merkmale im Kennzeichnenden Teil der Ansprüche 1 und 3 gelöst.The object is achieved by the features in the characterizing part of
Eine vorteilhafte Ausbildung der Erfindung zum Stellen einer Farbdosieranlage auf Nullfarbauftrag geht aus den Unteransprüchen hervor.An advantageous embodiment of the invention for placing a color metering system on a zero color application is evident from the subclaims.
Ein Ausführungsbeispiel der Erfindung wird anhand der Zeichnungen im Folgenden beschrieben.An embodiment of the invention is described below with reference to the drawings.
Es zeigt:
- Fig. 1 eine Steuerung einer Farbdosieranlage mit Bedienpult, Steuerrechner, einer Ein- und Ausgabesteuerung, den Farbdosierelementen nebst Stellantrieben und Stellungsgebern,
- Fig. 2 obige Steuerung einer Farbdosieranlage mit einer Steuervorrichtung nach der Erfindung,
- Fig. 3 eine Farbdosiereinheit mit einem Stellungsgeber nach der Erfindung.
- 1 is a controller of a paint metering system with control panel, control computer, an input and output control, the paint metering elements together with actuators and position sensors,
- 2 above control of a paint metering system with a control device according to the invention,
- Fig. 3 shows a color metering unit with a position transmitter according to the invention.
Die Grundkomponenten einer Steuerung einer Farbdosieranlage sind aus Fig. 1 ersichtlich. Die Farbdosieranlage besteht dabei aus mehreren Farbdosierelementen 1, wobei der Übersichtlichkeit wegen nur zwei dargestellt sind. Jedes Farbdosierelement ist durch einen fernsteuerbaren Stellantrieb 2 in Richtung zur Farbwalze 3 hin- als auch von dieser wegbewegbar. Jedes Farbdosierelement 1 wird dabei durch ein Gehäuse 4 geführt, welches den Antrieb 2 trägt und in einer festen Position zur Farbwalze 3 arretiert ist. Mit jedem Farbdosierelement 1 ist ein Stellungsgeber 5 verbunden, dessen Meßsignal ein Maß für die Stellung des Farbdosierelements 1 zur Farbwalze 3 ist.The basic components of a control system of a color metering system can be seen in FIG. 1. The color metering system consists of several
Die Meßsignale der Stellungsgeber 5 der Farbdosierelemente 1 gelangen über ein Ein- und Ausgabesteuerung 6, die gemäß dem Stand der Technik entsprechend beispielsweise als Bus-System ausgebildet ist, zu einem Steuerrechner 7. Der Steuerrechner 7 errechnet aus diesen Meßsignalen über in ihm abgespeicherte Kennlinien, welche zu jeder Farbdosierelement 1 - Stellungsgeber 5 - Kombination den Zusammenhang zwischen Meßsignal und Stellung des jeweiligen Farbdosierelements 1 wiedergeben, die Stellungen der einzelnen Farbdosierelemente 1. Diese Stellungen der Farbdosierelemente 1 gelangen dann am Bedienpult 8 optisch zur Anzeige. Entsprechend dem Stand der Technik kann beispielsweise dazu jedem Farbdosierelement 1, d.h. jeder Farbdosierzone der Farbwalze 3 eine Leuchtdiodenreihe zugeordnet sein.The measurement signals of the
Ebenfalls über Bedienpult 8 kann der Drucker jedes Farbdosierelement 1 einzeln in seiner Stellung zur Farbwalze 3 verändern. Die dazu über Bedienpult 8 eingegebenen Befehle werden im Steuerrechner 7 in Stellsignale umgewandelt und über die Ein- und Ausgabesteuerung 6 den Stellantrieben 2 der entsprechenden Farbdosierelemente 1 zugeteilt.Likewise via
Um die Stellung jedes Farbdosierelements 1 am Bedienpult 8 absolut, d.h. genau dem Abstand des jeweiligen Farbdosierelements 1 zur Farbwalze 3 entsprechend anzeigen zu können, muß im Steuerrechner 7 die Nullstellung jedes Farbdosierelements 1 abgespeichert sein. Dazu kann beispielsweise bei der Installation der Farbdosieranlage jedes Farbdosierelement 1 ganz an die Farbwalze 3 angestellt werden und die entsprechenden Meßsignale der Stellungsgeber 5 in den im Steuerrechner 7 enthaltenen Kennlinien als Nullstellung abgespeichert werden. Auch kann der Drucker vor jedem Druckbeginn über das Bedienpult 8 jedes Farbdosierelement 1 solange in Richtung Farbwalze 3 steuern, bis dort kein Farbauftrag mehr erfolgt und so die Nullstellungen der Farbdosierelemente 1 im Steuerrechner 7 abspeichern. Eine solche Fernsteuerung auf Nullfarbauftrag von Hand ist aber langwierig und erfordert viel Erfahrung um ein über die Breite der Farbwalze 3 gleichmäßiges Stellen der Farbdosierelemente 1 zu erreichen.In order to be able to display the position of each
Eine einmalige Abspeicherung der Nullstellungen der Farbdosierelemente 1 (Installation) oder eine nur vor jedem Druckbeginn durchgeführte Abspeicherung dieser Nullstellungen läßt aber die sich während des Druckbetriebs ändernden Betriebsparameter, wie thermische Ausdehnung des Farbwalzendurchmessers, der Farbdosierelemente 1, Abnutzung der Oberfläche der Farbwalze 3 und der Spitzen der Farbdosierelemente 1, sowie sich änderndes Lagerspiel, unberücksichtigt.A one-time storage of the zero positions of the ink metering elements 1 (installation) or a storage of these zero positions only before each start of printing can change the operating parameters that change during printing operation, such as thermal expansion of the ink roller diameter, the
Wegen der oben genannten Einflüsse muß davon ausgegangen werden, daß trotz gleichbleibender Stellungsanzeige eines Farbdosierelements 1 am Bedienpult 8 sich der Farbspalt zwischen Farbwalze 3 und Spitze des Farbdosierelements 1, also auch die Stärke des Farbauftrages während des Druckbetriebs ständig ändert.Because of the above-mentioned influences, it must be assumed that, despite the position of an
Ziel der vorliegenden Erfindung ist es, ein Verfahren und eine Vorrichtung zu entwickeln, die jederzeit schnell und präzise die Farbdosieranlage der Art nach Figur 1 auf Nullfarbauftrag stellt, um diese Stellungen der Farbdosierelemente 1 im Steuerrechner 7 als Ausgangspunkt für die weiteren Stellvorgänge abzuspeichern.The aim of the present invention is to develop a method and a device that quickly and precisely sets the color metering system of the type according to FIG. 1 to a zero color order in order to store these positions of the
Verfahrensmäßig werden dazu die Stellantriebe 2 der Farbdosierelemente 1 auf Bewegung in Richtung Farbwalze eingeschaltet und ermittelt, ob sich die Meßsignale der Stellungsgeber 5 der Farbdosierelemente 1 innerhalb eines kurzen Zeitintervalls ändern und diejenigen Stellantriebe 2 der Farbdosierelemente 1 abgeschaltet, wenn die Meßsignale deren Stellungsgeber 5 innerhalb dieses Zeitintervalls keine Änderung mehr aufweisen.In terms of the method, the
Die erfindungsgemäß vorgesehene Steuervorrichtung 9 zur Durchführung des Verfahrens zeigt Fig. 2.The
Die Steuervorrichtung 9 besteht aus einem Mikrocomputer (MC), 2 Input-Interfaces (II1, II2), 2 Output-Interfaces (OI1, OI2) mit einem Analog-Digital-Wandler 10.The
Die von den Stellungsgebern 5 der einzelnen Farbdosierelemente 1 über die Ein- und Ausgabesteuerung 6 dem Steuerrechner 7 zugeleiteten Meßsignale werden parallel dazu der Steuervorrichtung 9 zugeführt. Deren Eingang für die Meßsignale von den Stellungsgebern 5 besteht aus dem Analog-Digital-Wandler 10 und Input-Interface (II1).The measurement signals fed from the
Input-Interface (II1) ist dabei entsprechend der Übertragungsart der Meßsignale zum Steuerrechner 7 ausgeführt, so beispielsweise als Demultiplexer, wenn die Meßsignale der Stellungsgeber 5 nach einem Multiplex-Verfahren übertragen werden. Über Analog-Digital-Wandler 10 und Input-Interface (II1) liegen so die Meßsignale der Stellungsgeber 5 am Mikrocomputer (MC) digitalisiert an.The input interface (II1) is designed in accordance with the type of transmission of the measurement signals to the
Über Output-Interface (OI1) und die Ein- und Ausgabesteuerung 6 kann der Mikrocomputer (MC) jeden Stellantrieb 2, jedes Farbdosierelement 1 in Richtung Farbwalze 3 schalten und jeden Stellantrieb 2 einzeln abschalten.Via the output interface (OI1) and the input and
Output-Interface (OI1) ist derart ausgeführt, daß Output-Interface (OI1) die Stellsignale zum An- und Abschalten der Stellantriebe 2 der Farbdosierelemente 1 nach Art des Steuerrechners 7 und der Übertragung der Ein -und Ausgabesteuerung 6 erzeugt.Output interface (OI1) is designed in such a way that output interface (OI1) generates the control signals for switching the
Über Input-Interface (II2) erhält der Mikrocomputer (MC) das Signal zum Stellen der Farbdosierelemente 1 auf Nullfarbauftrag vom Bedienpult 8, ebenso kann im Mikrocomputer (MC) über Input-Interface (II2) und Bedienpult 8 ein Zeitintervall abgespeichert werden, welches zur Berechnung der Änderung der Meßsignale der Stellungsgeber 5 nach Verfahrensanspruch 1 dient. Input-Interface (II2) ist dazu als Signalwandler und Eingabeeinheit ausgeführt.The microcomputer (MC) receives this via the input interface (II2) Signal for setting the
Output-Interface (OI2) dient der Übermittlung der Nullstellungen der Farbdosierelemente 1 vom Mikrocomputer (MC) zum Steuerrechner 7, wo diese abgespeichert werden.Output interface (OI2) is used to transmit the zero positions of the
Output-Interface (OI2) ist als Signalwandler ausgeführt, so daß die Nullstellungen am Steuerrechner 7 in der Signalform anliegen, in welcher sie dort abgespeichert werden.Output interface (OI2) is designed as a signal converter, so that the zero positions are applied to the
Wird der Steuervorrichtung 9 vom Bedienpult 8 der Befehl zur Nullstellung der Farbdosieranlage gegeben so erfolgt über Mikrocomputer (MC) und Output-Interface (OI1) das Anschalten der Stellantriebe 2 aller Farbdosierelemente 1 in Richtung Farbwalze 3.If the
Der Mikrocomputer (MC) speichert über Analog-Digital-Wandler 10 und Input-Interface (II1) ein Meßsignal von jedem Stellungsgeber 5 digital ab. Nach dem kurzen Zeitintervall wiederholt der Mikrocomputer (MC) dieses Einlesen der Meßsignale. Gleichzeitig erfolgt ein Vergleich, ob sich die Meßsignale der Stellungsgeber 5 zu den zuvor vorher eingelesenen verändert haben oder nicht. Über Output-Interface (OI1) und die Ein- und Ausgabesteuerung 6 hält der Mikrocomputer (MC) diejenigen Stellantriebe 2 der Farbdosierelemente 1 in Richtung Farbwalze 3 eingeschaltet, deren Meßsignale der Stellungsgeber 5 sich innerhalb des Zeitintervalls geändert haben. Ebenso schaltet der Mikrocomputer (MC) diejenigen Stellantriebe 2 der Farbdosierelemente 1 ab, deren Stellungsgeber 5 das gleiche Meßsignal liefern, wie vor dem Zeitintervall. Über Output-Interface (OI2) erfolgt nun im Steuerrechner 7 das Abspeichern der Meßsignale der Farbdosierelemente 1, deren Stellantriebe 2 vom Mikrocomputer (MC) abgeschaltet wurden. Der Mikrocomputer (MC) wiederholt das Abspeichern, sowie den Vergleich der im Abstand des Zeitintervalls eingelesenen Meßsignale der Stellungsgeber 5 solange, bis die Stellantriebe 2 aller Farbdosierelemente 1 abgeschaltet sind. Die Farbdosieranlage ist nun auf Nullfarbauftrag gestellt und die Nullstellungen aller Farbdosierelemente 1 sind im Steuerrechner 7 abgespeichert.The microcomputer (MC) stores a measurement signal from each
Die Wahl des über Input-Interface (II2) im Mikroccomputer (MC) abgespeicherten Zeitintervalls, d.h. die Zeitrate mit der der Mikrocomputer (MC) Stellungswerte der Stellungsgeber 5 der Farbdosierelemente 1 einliest und mit den zuvor eingelesenen und abgespeicherten vergleicht, richtet sich nach der Fahrgeschwindigkeit der Farbdosierelemente 1 und der Auflösung der Stellungsgeber 5.The selection of the time interval stored in the microcomputer (MC) via the input interface (II2), i.e. the time rate with which the microcomputer (MC) reads in position values of the
Dieses Zeitintervall soll so gewählt sein, daß der Fahrweg der Farbdosierelemente 1 innerhalb dieser Zeit minimal ist, andererseits aber groß genug, so daß sich eine Stellungsänderung des Farbdosierelements 1 ergibt, die eine eindeutige Änderung des vom Stellungsgeber 5 gelieferten Meßsignals hervorruft.This time interval should be chosen so that the travel of the
Den mechanischen Aufbau des Stellungsgeber 5 gemäß den kennzeichnenden Merkmalen des Anspruchs 5 zeigt Fig. 3.3 shows the mechanical construction of the
Die Farbdosiereinheit besteht aus einem Farbdosierelement 1, welches durch einen fernsteuerbaren Stellantrieb 2 in Richtung auf die Farbwalze 3 zu- als auch von dieser wegbewegbar ist. Der Stellantrieb 2 umfaßt auch eine Getriebeanordnung, welche aber nicht eingezeichnet ist.The ink metering unit consists of an
Geführt wird das Farbdosierelement 1 durch ein Gehäuse 4, welches auch den Stellantrieb 2 trägt und fest zur Farbwalze 3 arretiert ist.The
Mit dem Farbdosierelement 1 ist eine Tastplatte 11 verbunden und an einem Teil des Gehäuses 4 ist eine Montageplatte 12 angeordnet, in welche ein Sensor 13 eingelassen ist, derart, daß zwischen Tastplatte 11 und dem Sensor 13 ein Spalt S entsteht. Dieser Spalt S ist von der Stellung des Farbdosierelements 1 zur Farbwalze 3 abhängig und sei so gewählt, daß auch bei dem größten vorgesehenen Abstand, den die Spitze des Farbdosierelements 1 zur Farbwalze 3 einnimmt, dieser Spalt S nicht Null wird, d.h. die Tastplatte 11 den Sensor 13 also nicht berührt.A
Je näher das Farbdosierelement 1 an die Farbwalze 3 herangefahren wird, desto größer wird dennoch der Spalt S zwischen Tastplatte 11 und Sensor 13.The closer the
Erfindungsgemäß ist vorgesehen einen dem Stand der Technik entsprechenden kapazitiven, induktiven, optischen Meßwertaufnehmer als Sensor 13 in die Montageplatte 12 einzulassen. Das Meßsignal des Sensors 13 ist dann von der Größe des Spaltes S abhängig.According to the invention, a state-of-the-art capacitive, inductive, optical sensor is installed as a
Eine derartige Ausbildung eines Stellungsgebers 5 als einen Sensor 13, der einen Saplt S mißt, welcher von der Stellung des Farbdosierelements 1 abhängt, hat den Vorteil, daß nicht nur die Stellung des Farbdosierelements 1 gemessen wird, sondern daß sich jede Änderung der Stellung des Farbdosierelements 1 zu seinem Gehäuse 4 auch als eine Änderung des Meßsignals des Sensors 13 ausdrückt. Ein so gearteter Stellungsgeber 5 vermag also nicht nur die Stellung des Farbdosierelements 1 zum Gehäuse 4 zu messen, sondern auch eine Bewegung des Farbdosierelements 1 im Sinne einer zeitlichen Änderung seiner Stellung.Such a design of a
- 11
- FarbdosierelementColor metering element
- 22nd
- StellantriebActuator
- 33rd
- FarbwalzeInk roller
- 44th
- Gehäusecasing
- 55
- StellungsgeberPosition transmitter
- 66
- Ein- und AusgabesteuerungInput and output control
- 77
- SteuerrechnerTax calculator
- 88th
- Bedienpultcontrol panel
- 99
- SteuervorrichtungControl device
- 1010th
- Analog-Digital-WandlerAnalog-to-digital converter
- 1111
- TastplatteTactile plate
- 1212th
- MontageplatteMounting plate
- 1313
- Sensorsensor
- II1II1
-
Input-Interface 1
Input interface 1 - II2II2
-
Input-Interface 2
Input interface 2 - OI1OI1
-
Output-Interface 1
Output interface 1 - OI2OI2
-
Output-Interface 2
Output interface 2 - MCMC
- MikrocomputerMicrocomputer
- SS
- Spaltgap
Claims (6)
- Process for adjusting an ink metering device on printing presses from zero ink application, wherein the ink metering device consists of several ink metering elements (1) which are movable by means of adjustment drives (2) against an inking roller (3), the positions of which relative to the inking roller (3) are measured by a position sensor (5) arranged relative to each ink metering element (1), characterised in that the adjustment drives (2) of the ink metering element (1) are switched in such a way that the ink metering elements (1) move in the direction towards the inking roller (3), that for each individual metering element (1) the position values at the position sensors which follow one after another in time and separated by a time interval are determined, that for each ink metering element (1) it is determined whether the successive position values separated by the time interval differ from one another, that the adjustment drive (2) of those ink metering elements continues for those whose position sensors give position values which differ in their time sequence, that those adjustment drives (2) of those ink metering elements are switched off whose position sensors (5) provide position values which in their timed sequence are the same and that the position values determined in this way of the ink metering elements (1) are used as zero positions for the further adjusting processes of the ink metering device.
- Process according to Claim 1, characterised in that after the switching in of the adjustment drive (2) of the ink metering elements (1) a determination of the timewise change of the position values sensed at the position sensors (5) of the ink metering elements (1) is carried out within a short time interval, that a switching off of each of those adjustment drives (2) of the ink metering elements (1) takes place whose position sensors (5) show no longer any change with time within the short time interval and that the switching on and off of the adjustment drives (2) for the ink metering elements (1) as well as the determination of the change in time of the position values within the short time interval takes place via a micro-computer.
- Device for carrying out the process according to Claim 1 or 2, wherein the ink metering device consists of several ink metering elements (1), each ink metering element (1) is movable by a remotely controllable adjustment drive (2) in a direction towards the ink roller (3) and also can be moved away from the ink roller (3), each ink metering element (1) guided in a housing (4) which is fixed at a position unchangeably rigid relative to the ink roller (3) and which carries the adjustment drive (2), each ink metering element (1) has a position sensor (5), which detects the position of the ink metering element (1) relative to the ink roller (3), in a control computer (9) for each combination of ink metering element (1) and position sensor (5) a characteristic is stored which reproduces the relationship between position sensor signal and the position of the ink metering element (1), each ink metering element (1) at least once, for example at the beginning of printing and during pauses in printing, can be fed forward just up to the ink roller (3) and just this position coordinated in the corresponding characteristic as the zero distance, so that via a control desk (8) and the control computer (7) the actual value of the ink metering elements (1) are correctable corresponding to the predetermined desired values, characterised in that the position sensors (5) set on the ink metering elements (1) have sensors (13), that a control device (9) is provided which consists of an analog digital converter (10) two input interfaces (II1, II2), two output interfaces (OI1, OI2) and a micro-computer, that the signals of the position sensors (5) of the ink metering elements (1) can be fed digitally to the micro-computer (MC) via the analog digital converter (10) and the input interface (II1), that in the micro-computer (MC) a time interval can be stored via the control desk (8) and the input interface (II2), and that by the micro-computer (MC) it can be calculated whether the position values of the position sensors (5) change within this short time interval, that the switching on and off of the position drives (2) on the ink metering elements (1) can be introduced in dependence on the change of the signals by the micro-computer (MC) via the output interface (OI1) and the positions of the ink metering elements (1) at zero ink application can be fed by the micro-computer (MC) via the output interface (OI2) to the control computer (7).
- Device according to Claim 3, characterised in that the micro-computer (MC) receives from the control desk (8) via input interface (II2) the adjustment command, whereafter the adjustment drive (2) of the ink metering element (1) switches in via the output interface (OI1) at the beginning of the adjustment process in the direction towards the inking roller (3), and that the micro-computer (MC) switches off those adjustment drives (2) of the ink metering elements (1) via the output interface (OI1) if the signals of the position sensors (5) within the time interval stored in the micro-computer (MC) no longer show any changes.
- Device according to Claim 3, characterised in that the position sensor (5) is a sensor (13) which is let into a mounting plate (12) which is connected rigidly with the housing (4) of the ink metering element (1) and that on the ink metering element (1) a sensing plate (11) is set in such a fashion that between Sensor (13) and sensing plate (11) a slot (S) arises, the size of which is a measure of the position of the ink metering element (1) relative to the inking roller (3), and that the sensor (13) provides a signal which is dependent upon the size of this slot (S).
- Device according to Claim 5, characterised in that the sensor (13) is an inductive, capacitative, optical measured value sensor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3914831A DE3914831C3 (en) | 1989-05-05 | 1989-05-05 | Device for zone-wise setting of a metering gap of an ink metering system of a printing press |
| DE3914831 | 1989-05-05 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0395959A2 EP0395959A2 (en) | 1990-11-07 |
| EP0395959A3 EP0395959A3 (en) | 1991-06-12 |
| EP0395959B1 true EP0395959B1 (en) | 1994-06-15 |
Family
ID=6380148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90107556A Expired - Lifetime EP0395959B1 (en) | 1989-05-05 | 1990-04-20 | Method and device for adjusting an ink metering device in a printing press from a zero ink application position |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0395959B1 (en) |
| JP (1) | JPH07102682B2 (en) |
| AT (1) | ATE107229T1 (en) |
| DE (2) | DE3914831C3 (en) |
| ES (1) | ES2055825T3 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5138944A (en) * | 1991-09-03 | 1992-08-18 | Heidelberg Harris Inc. | Method and apparatus for setting respective positions of ink keys |
| DE4131679C1 (en) * | 1991-09-24 | 1993-04-08 | Man Roland Druckmaschinen Ag, 6050 Offenbach, De | |
| DE19543964C1 (en) * | 1995-11-25 | 1997-06-12 | Roland Man Druckmasch | Method and device for actuating an actuator of a printing press |
| DE19732249A1 (en) * | 1997-07-26 | 1999-01-28 | Roland Man Druckmasch | Method and device for positioning an actuator of a printing press |
| DE10044092A1 (en) | 1999-10-11 | 2001-04-26 | Heidelberger Druckmasch Ag | Wiper device in rotation printing machine ink mechanism is especially comb wiper with base body, adjustable working wiper, sensor arrangement for detecting wiper position |
| DE10055827A1 (en) * | 2000-11-10 | 2002-05-29 | Heidelberger Druckmasch Ag | Ink dosing system in printing machine, is subdivided in color zones each of which has piezo-electric adjusting drive |
| DE102008042147A1 (en) * | 2008-09-17 | 2010-03-18 | Manroland Ag | Method for operating a printing machine |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2935489C2 (en) * | 1979-09-03 | 1982-12-09 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München | Ink knife setting device for printing machines, in particular rotary printing machines |
| DD150028A1 (en) * | 1980-04-10 | 1981-08-12 | Max Janicki | DEVICE FOR CONTROLLING AND MONITORING VALIDATORS ON PRINTING MACHINES |
| DD154088A1 (en) * | 1980-12-12 | 1982-02-24 | Foerster Karl Heinz | MULTIPLIKATIVE ZUSTELLEINICHTICHT ON A COLOR ZONE FARMING DEVICE |
| DE3112189A1 (en) * | 1981-03-27 | 1982-10-14 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg | PRINTING MACHINE WITH ACTUATORS |
| US4510426A (en) * | 1982-07-30 | 1985-04-09 | Lectron Products, Inc. | Memory power seat controller |
| DE3324952C1 (en) * | 1983-07-11 | 1985-02-14 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Ink metering device for a printing machine |
| DE3331208A1 (en) * | 1983-08-30 | 1985-03-14 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | METHOD FOR ADJUSTING THE INK OF A PRINTING MACHINE AND MEASURING DEVICE FOR ITS IMPLEMENTATION |
| JPS6082936U (en) * | 1983-11-08 | 1985-06-08 | アルプス電気株式会社 | Motor stop position control device that prevents the motor from locking |
| DE3424349C2 (en) * | 1984-07-03 | 1995-05-04 | Heidelberger Druckmasch Ag | Device for detecting the position of an actuator of a printing press |
| JPS63122540A (en) * | 1986-11-12 | 1988-05-26 | J P Ii Kk | Ink well device of press |
| JPH0796293B2 (en) * | 1986-12-29 | 1995-10-18 | 東芝精機株式会社 | Ink supply amount adjustment device for printing machine |
-
1989
- 1989-05-05 DE DE3914831A patent/DE3914831C3/en not_active Expired - Fee Related
-
1990
- 1990-04-20 DE DE59006099T patent/DE59006099D1/en not_active Expired - Fee Related
- 1990-04-20 EP EP90107556A patent/EP0395959B1/en not_active Expired - Lifetime
- 1990-04-20 ES ES90107556T patent/ES2055825T3/en not_active Expired - Lifetime
- 1990-04-20 AT AT90107556T patent/ATE107229T1/en not_active IP Right Cessation
- 1990-05-07 JP JP2115951A patent/JPH07102682B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0395959A3 (en) | 1991-06-12 |
| JPH0361540A (en) | 1991-03-18 |
| EP0395959A2 (en) | 1990-11-07 |
| JPH07102682B2 (en) | 1995-11-08 |
| ES2055825T3 (en) | 1994-09-01 |
| DE59006099D1 (en) | 1994-07-21 |
| ATE107229T1 (en) | 1994-07-15 |
| DE3914831C3 (en) | 1999-05-20 |
| DE3914831C2 (en) | 1993-01-07 |
| DE3914831A1 (en) | 1990-11-08 |
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