DE3724785A1 - Method for adjusting clutches in machines - Google Patents

Method for adjusting clutches in machines

Info

Publication number
DE3724785A1
DE3724785A1 DE19873724785 DE3724785A DE3724785A1 DE 3724785 A1 DE3724785 A1 DE 3724785A1 DE 19873724785 DE19873724785 DE 19873724785 DE 3724785 A DE3724785 A DE 3724785A DE 3724785 A1 DE3724785 A1 DE 3724785A1
Authority
DE
Germany
Prior art keywords
machines
clutch
comparator
clutches
compared
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.)
Withdrawn
Application number
DE19873724785
Other languages
German (de)
Inventor
Peter Dr Ing Straube
Rolf Dr Ing Lautenschlaeger
Reinhard Donath
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KBA Planeta AG
Original Assignee
Polygraph Leipzig Kombinat Veb
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Polygraph Leipzig Kombinat Veb filed Critical Polygraph Leipzig Kombinat Veb
Publication of DE3724785A1 publication Critical patent/DE3724785A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/004—Electric or hydraulic features of drives
    • B41F13/0045—Electric driving devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/064—Control of electrically or electromagnetically actuated clutches
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
    • G01P3/60—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or comparing frequency of generated currents or voltages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/304—Signal inputs from the clutch
    • F16D2500/30406—Clutch slip
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/304—Signal inputs from the clutch
    • F16D2500/3041—Signal inputs from the clutch from the input shaft
    • F16D2500/30415—Speed of the input shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/304—Signal inputs from the clutch
    • F16D2500/3042—Signal inputs from the clutch from the output shaft
    • F16D2500/30426—Speed of the output shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/502—Relating the clutch
    • F16D2500/5023—Determination of the clutch wear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/502—Relating the clutch
    • F16D2500/50296—Limit clutch wear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/51—Relating safety
    • F16D2500/5118—Maintenance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/71—Actions
    • F16D2500/7101—Driver alarm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/71—Actions
    • F16D2500/7107—Others
    • F16D2500/7109—Pulsed signal; Generating or processing pulsed signals; PWM, width modulation, frequency or amplitude modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Control Of Transmission Device (AREA)

Abstract

The invention relates to a method for adjusting clutches in machines, especially printing machines, which are adjusted upon installation and have to be readjusted in the event of wear because of slip. The aim of the invention is to prolong the life of clutches and to increase the availability of machines, especially printing machines. According to the invention, the object of providing a method for adjusting clutches in which adjustment is performed by evaluating measurement data is achieved by the fact that the actual speeds of the input shaft and output shaft connected by a clutch are measured separately by pulse transmitters, the measured values are converted into pulses in pick-ups arranged at their outputs and compared in a first comparator and the differential pulse sequence is recorded in a counter and memory influenced by a control and indicated on an indication device or compared with a desired value of an input device in a second comparator and in the event of a deviation, converted in a warning device into an alarm signal or, in an automatic readjustment device for the clutch, into an actuating signal.

Description

Anwendungsgebiet der ErfindungField of application of the invention

Die Erfindung betrifft ein Verfahren zum Einstellen von Schalt­ kupplungen in Verarbeitungsmaschinen, insbesondere Druckmaschi­ nen, die bei Montage eingestellt und bei Verschleiß infolge Schlupf nachgestellt werden müssen.The invention relates to a method for setting switching couplings in processing machines, especially printing presses nen, which is set during assembly and as a result of wear Hatch must be adjusted.

Charakteristik des bekannten Standes der TechnikCharacteristic of the known prior art

Im Antrieb von Druckmaschinen werden vorzugsweise Elektrolamellen­ kupplungen als Schaltkupplungen verwendet. Elektrolamellenkupplun­ gen besitzen eine Ankerscheibe, die vom Elektromagnet angezogen wird und damit die Lamellen zusammendrückt. Der einstellbare Ab­ stand der Ankerscheibe vom Elektromagneten bestimmt die Andrück­ kraft und das Schlupfverfahren beim Ein- und Auskuppeln.Electric slats are preferably used in the drive of printing presses clutches used as clutches. Electric disk clutch gen have an armature disk which is attracted by the electromagnet and compresses the slats. The adjustable Ab the armature plate from the electromagnet determines the pressure force and the slip process when engaging and disengaging.

Es ist bekannt, bei der Montage den Abstand der Ankerscheibe vom Elektromagneten mit Abstandslehren einzustellen, ohne dabei den realen Schlupf kontrollieren zu können. Beim Dauerbetrieb führt Verschleiß zur Schlupferhöhung, die vor allem beim Anfahren zu erhöhten thermischen Belastungen bis zum Totalausfall führen, wenn die Kupplung nicht rechtzeitig nachgestellt wird. Diese Lösung hat den Nachteil, daß sie unzuverlässig und aufwendig ist, die Lebensdauer der Kupplung vermindert und zu Maschinen­ störungen und -ausfällen führt.It is known when mounting the distance of the armature plate from Adjust electromagnets with distance gauges without changing the to be able to control real slip. Leads in continuous operation Wear to increase slip, especially when starting lead to increased thermal loads up to total failure, if the clutch is not adjusted in time. These Solution has the disadvantage that it is unreliable and expensive is, the life of the clutch is reduced and to machines malfunctions and failures.

Ziel der ErfindungAim of the invention

Ziel der Erfindung ist es, die Lebensdauer von Schaltkupplungen zu verlängern und die Verfügbarkeit von Verarbeitungsmaschinen, insbesondere Druckmaschinen zu erhöhen.The aim of the invention is to increase the service life of clutches to extend and the availability of processing machines, especially to increase printing presses.

Darlegung des Wesens der ErfindungState the nature of the invention

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zum Einstellen von Schaltkupplungen zu schaffen, bei dem durch Auswerten von Meßdaten eine Einstellung vorgenommen werden kann. The invention has for its object a method for Setting clutches to create by Evaluation of measurement data a setting can be made.  

Erfindungsgemäß wird die Aufgabe dadurch gelöst, daß die Ist- Drehzahlen der durch eine Kupplung verbundenen Antriebswelle und Abtriebswelle von Impulsgebern getrennt gemessen werden, die Meßwerte in nachgeordneten Aufnehmern in Pumpulse umgewan­ delt und in einem ersten Vergleicher verglichen werden und die Differenzimpulsfolge in einem von einer Steuerung beeinflußte Zähler und Speicher aufgenommen und auf einer Anzeigeeinrich­ tung angezeigt oder mit einem Sollwert einer Eingabeeinrichtung in einem zweiten Vergleicher verglichen und bei Abweichung in einer Warneinrichtung in ein Alarmsignal oder in einer automa­ tischen Nachstelleinrichtung der Kupplung in ein Stellsignal umgewandelt wird.According to the invention, the object is achieved in that the actual Speeds of the drive shaft connected by a clutch and output shaft of pulse generators are measured separately, the measured values in downstream sensors are converted into pump pulses delt and compared in a first comparator and the Differential pulse train in one influenced by a controller Counters and memories recorded and on a display device displayed or with a setpoint of an input device compared in a second comparator and if there is a deviation in a warning device in an alarm signal or in an automa table adjustment device of the clutch in a control signal is converted.

AusführungsbeispielEmbodiment

Die Erfindung soll an einem Ausführungsbeispiel näher erläutert werden. Die Zeichnung zeigt ein Blockschaltbild zur Realisierung des erfindungsgemäßen Verfahrens. In einer nicht näher beschriebenen Verarbeitungsmaschine, beispielsweise ei­ ner Druckmaschine sei eine Antriebswelle 1 mit einer Abtriebs­ welle 2 durch eine Schaltkupplung 3 verbunden. Auf der Antriebs­ welle 1 ist ein Impulsgeber 4 angebracht, der in bekannter Wei­ se Impulse von der mit einer variablen Drehzahl n An rotierenden Antriebswelle 1 abnimmt. Ein Aufnehmer 5 wandelt die Impulse in drehzahlproportionale Impulsfolgen f An . Auf einer Antriebswel­ le 2 ist ein Impulsgeber 6 angebracht, der in gleicher Weise die Impulse von der mit einer variablen Drehzahl n Ab rotierenden Abtriebswelle 2 abnimmt. Ein Aufnehmer 7 wandelt die Impulse in drehzahlproportionale Impulsfolgen f Ab . In einem ersten Ver­ gleicher 8 werden die Impulsfolgen f An , f Ab durch Subtraktion miteinander verglichen. Die so erhaltene Impulsfolge mit der Differenzfrequenz f = f An - f Ab wird in einem Zähler 9, vor­ zugsweise einem digitalen Vorwärtszähler gezählt. Auf den Zähler 9 und den Speicher 10 wirkt eine Steuerung 11, die die notwendigen Signale für die Signalverarbeitung erzeugt. Mit­ tels einer bekannten, nicht näher beschriebenen Torschaltung wirkt die Steuerung 11 auf den Zähler 9. The invention will be explained in more detail using an exemplary embodiment. The drawing shows a block diagram for implementing the method according to the invention. In a processing machine, not described in detail, for example egg ner printing machine, a drive shaft 1 with an output shaft 2 is connected by a clutch 3 . On the input shaft 1 is mounted a pulse generator 4, which in se known Wei pulses decreases from the rotating at a variable speed n to the drive shaft. 1 A sensor 5 converts the pulses into speed-proportional pulse trains f An . On a Antriebswel le 2 , a pulse generator 6 is attached, which in the same way decreases the pulses from the output shaft 2 rotating at a variable speed n From . A sensor 7 converts the pulses into speed-proportional pulse sequences f Ab . In a first comparison 8 , the pulse sequences f An , f Ab are compared with one another by subtraction. The pulse sequence thus obtained with the difference frequency f = f An - f Ab is counted in a counter 9 , preferably before a digital up counter. A controller 11 acts on the counter 9 and the memory 10 and generates the necessary signals for signal processing. With a known gate circuit, not described in more detail, the controller 11 acts on the counter 9 .

Nach Ablauf der Zählung erfolgt die Übernahme der Meßwerte in den Speicher 10 zur Weiterverarbeitung. Aus dem Speicher 10 kann auf einer Anzeigeeinrichtung 12 eine analoge oder di­ gitale Anzeige des Schlupf-Istwertes z ist abgerufen werden. Aus dem Speicher 10 können die Schlupf-Istwerte auch in ei­ nem zweiten Vergleicher 13, vorzugsweise einem Bitkomparator, mit einem Schlupf-Sollwert z soll verglichen werden, der von einer Eingabeeinrichtung 14 geliefert wird, in der entweder feste Bitkombinationen eingestellt oder drehzahlabhängige Werte, z. B. für das Anfahren der Maschine, gespeichert sind. Bei Überschreitung des Schlupf-Sollwertes z soll wird in ei­ ner Warneinrichtung 15 ein Alarmsignal oder in einer automa­ tischen Nachstelleinrichtung 16 ein Stellsignal erzeugt, das die Nachstellung der Kupplung 3 bewirkt.After the counting, the measurement values are transferred to the memory 10 for further processing. An analog or digital display of the actual slip value z ist can be called up from the memory 10 on a display device 12 . From the memory 10 , the actual slip values can also be compared in a second comparator 13 , preferably a bit comparator, with a desired slip value z intended , which is supplied by an input device 14 , in which either fixed bit combinations are set or speed-dependent values, e.g. . B. for starting the machine, are stored. If the slip setpoint z target is exceeded, an alarm signal is generated in egg ner warning device 15 or an actuating signal is generated in automatic adjustment device 16 , which causes the clutch 3 to be readjusted.

Das erfindungsgemäße Verfahren ermöglicht es also, aus der Messung der Drehzahlen der Antriebswelle und der Abtriebs­ welle über eine Signalverarbeitung die Istwerte des Kupplungs­ schlupfes anzuzeigen oder nach Vergleich mit einem Schlupf- Sollwert ein Alarmsignal oder ein Stellsignal für eine auto­ matische Stelleinrichtung an der Kupplung zu erzeugen. The method according to the invention thus enables the Measurement of the speeds of the input shaft and the output the actual values of the clutch via signal processing display slip or after comparison with a slip Setpoint an alarm signal or a control signal for an auto to produce a mechanical actuator on the clutch.  

  • Aufstellung der verwendeten Bezugszeichen  1 Antriebswelle
     2 Abtriebswelle
     3 Schaltkupplung
     4 Impulsgeber
     5 Aufnehmer
     6 Impulsgeber
     7 Aufnehmer
     8 Vergleicher
     9 Zähler
    10 Speicher
    11 Steuerung
    12 Anzeigeeinrichtung
    13 Vergleicher
    14 Eingabeeinrichtung
    15 Warneinrichtung
    16 Nachstelleinrichtung    List of reference numerals used 1 drive shaft
    2 output shaft
    3 clutch
    4 pulse generators
    5 sensors
    6 pulse generators
    7 transducers
    8 comparators
    9 counters
    10 memories
    11 control
    12 display device
    13 comparators
    14 input device
    15 warning device
    16 adjuster

Claims (1)

Verfahren zum Einstellen von Schaltkupplungen in Verarbei­ tungsmaschinen, insbesondere Druckmaschinen, die bei Mon­ tage eingestellt und bei Verschleiß infolge Schlupf nach­ gestellt werden müssen, dadurch gekennzeichnet, daß die Ist-Drehzahlen der durch eine Kupplung (3) verbundenen An­ triebswelle (1) und Abtriebswelle (2) von Impulsgebern (4, 6) getrennt gemessen werden, die Meßwerte in nachgeordneten Aufnehmern (5, 7) in Impulse umgewandelt und in einem ersten Vergleicher (8) verglichen werden und die Differenzimpuls­ folge in einem von einer Steuerung (11) beeinflußten Zähler (9) und Speicher (10) aufgenommen und auf einer Anzeigeein­ richtung (12) angezeigt oder mit einem Sollwert einer Ein­ gabeeinrichtung (14) in einem zweiten Vergleicher (13) ver­ glichen und bei Abweichung in einer Warneinrichtung (15) in ein Alarmsignal oder in einer automatischen Nachstellein­ richtung (16) der Kupplung (3) in ein Stellsignal umgewandelt wird.A method for adjusting clutches in processing machines, in particular printing machines, which must be set for Mon days and set for wear due to slippage, characterized in that the actual speeds of the drive shaft ( 1 ) and output shaft connected by a clutch ( 3 ) ( 2 ) measured separately from pulse generators ( 4, 6 ), the measured values in downstream sensors ( 5, 7 ) are converted into pulses and compared in a first comparator ( 8 ) and the differential pulse sequence is influenced by a controller ( 11 ) Counter ( 9 ) and memory ( 10 ) recorded and displayed on a display device ( 12 ) or compared with a setpoint value of an input device ( 14 ) in a second comparator ( 13 ) and, if there is a deviation in a warning device ( 15 ), in an alarm signal or in an automatic adjustment device ( 16 ) of the clutch ( 3 ) is converted into an actuating signal.
DE19873724785 1986-12-23 1987-07-27 Method for adjusting clutches in machines Withdrawn DE3724785A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD86298360A DD255973A1 (en) 1986-12-23 1986-12-23 METHOD FOR ADJUSTING SWITCH COUPLINGS IN PROCESSING MACHINES

Publications (1)

Publication Number Publication Date
DE3724785A1 true DE3724785A1 (en) 1988-07-07

Family

ID=5585592

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873724785 Withdrawn DE3724785A1 (en) 1986-12-23 1987-07-27 Method for adjusting clutches in machines

Country Status (2)

Country Link
DD (1) DD255973A1 (en)
DE (1) DE3724785A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0767055A2 (en) * 1995-10-04 1997-04-09 MAN Roland Druckmaschinen AG Monitoring device for the driving device of a printing machine
DE102022110168B3 (en) 2022-04-27 2023-05-17 Heidelberger Druckmaschinen Aktiengesellschaft Functional monitoring of conveyor belts in the printing press

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0767055A2 (en) * 1995-10-04 1997-04-09 MAN Roland Druckmaschinen AG Monitoring device for the driving device of a printing machine
EP0767055A3 (en) * 1995-10-04 1997-08-27 Roland Man Druckmasch Monitoring device for the driving device of a printing machine
DE102022110168B3 (en) 2022-04-27 2023-05-17 Heidelberger Druckmaschinen Aktiengesellschaft Functional monitoring of conveyor belts in the printing press

Also Published As

Publication number Publication date
DD255973A1 (en) 1988-04-20

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: PLANETA DRUCKMASCHINENWERK AG, O-8122 RADEBEUL, DE

8127 New person/name/address of the applicant

Owner name: KBA-PLANETA AG, O-8122 RADEBEUL, DE

8139 Disposal/non-payment of the annual fee