WO2001067193A2 - Device and method for inputting machine parameters and for simulating and observing - Google Patents

Device and method for inputting machine parameters and for simulating and observing Download PDF

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Publication number
WO2001067193A2
WO2001067193A2 PCT/DE2001/000802 DE0100802W WO0167193A2 WO 2001067193 A2 WO2001067193 A2 WO 2001067193A2 DE 0100802 W DE0100802 W DE 0100802W WO 0167193 A2 WO0167193 A2 WO 0167193A2
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WIPO (PCT)
Prior art keywords
parameter
machine
curve
change
simulation
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PCT/DE2001/000802
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German (de)
French (fr)
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WO2001067193A3 (en
Inventor
Herbert Grieb
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Siemens Aktiengesellschaft
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Publication of WO2001067193A2 publication Critical patent/WO2001067193A2/en
Publication of WO2001067193A3 publication Critical patent/WO2001067193A3/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/762—Measuring, controlling or regulating the sequence of operations of an injection cycle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/766—Measuring, controlling or regulating the setting or resetting of moulding conditions, e.g. before starting a cycle
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0426—Programming the control sequence
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
    • G05B19/4069—Simulating machining process on screen
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/409—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using manual input [MDI] or by using control panel, e.g. controlling functions with the panel; characterised by control panel details, by setting parameters
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C2045/7606—Controlling or regulating the display unit
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/32—Operator till task planning
    • G05B2219/32017—Adapt real process as function of changing simulation model, changing for better results
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/32—Operator till task planning
    • G05B2219/32338—Use new conditions for model, check, calculate if model meets objectives
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/35—Nc in input of data, input till input file format
    • G05B2219/35494—Online documentation, manual, procedures, operator, user guidance, assistance
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/35—Nc in input of data, input till input file format
    • G05B2219/35512—Display entered, measured values with bargraph
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/36—Nc in input of data, input key till input tape
    • G05B2219/36121—Tree oriented menu, go to root, scroll up down, select mode
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/36—Nc in input of data, input key till input tape
    • G05B2219/36129—Menu keys, function of keys soft defined
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/36—Nc in input of data, input key till input tape
    • G05B2219/36168—Touchscreen
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/45—Nc applications
    • G05B2219/45244—Injection molding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the invention relates to a device and a method for entering a machine parameter, in particular for the parameterization of a manufacturing device, for example a production, tool, plastic injection molding, injection blow molding, textile, woodworking or packaging machine or one Manufacturing cell that can be equipped with an automation system.
  • a manufacturing device for example a production, tool, plastic injection molding, injection blow molding, textile, woodworking or packaging machine or one Manufacturing cell that can be equipped with an automation system.
  • the resulting page organization is often unsystematic and confusing, so that a longer training period is required to operate and parameterize a machine.
  • the unclear page organization can also lead to incorrect operation.
  • the invention is therefore based on the object of an improved device and an improved method for the a machine parameter as well as for the observation of the machine.
  • the invention enables a machine to be parameterized on the basis of a start value of the parameter. Based on the starting value, a simulation is first carried out. A machine model stored in a corresponding computer is used for the simulation.
  • a corresponding curve profile is calculated and displayed for a machine cycle. If the curve does not correspond to the wishes of the user with regard to the production tasks, the user can change the displayed curve immediately.
  • the changed parameter is determined directly or indirectly from this and, if necessary, a further simulation is carried out to check the change.
  • the machine can be put into operation.
  • Process data is recorded while the machine is operating.
  • the corresponding actual curves are displayed and compared with the simulated and calculated actual curves.
  • an analog display of individual characteristic values can also take place.
  • certain parameters are determined and stored over several cycles.
  • the time course of the parameters depending on the machine cycles is shown graphically so that trends become visible to the user. As soon as a trend emerges that leads out of the permitted range, the user can Intervene before the machine breaks down.
  • FIG. 1 shows a flow chart of an embodiment of the method according to the invention for parameterizing a production device
  • FIGS. 1 and 2 shows an apparatus for performing the method of FIGS. 1 and 2
  • Fig. 6-9 show different observation times
  • FIG. 1 shows a flow diagram for the parameterization of a machine.
  • step 1 the start value of a parameter for the operation of the machine is entered with regard to a specific production task.
  • step 2 this start value of the parameter is saved.
  • this starting value is entered into a software-technical model of the machine in order to simulate the operation of the machine.
  • One or more courses describing the operation of the machine Sizes are calculated in step 3 during the simulation and displayed in step 4.
  • the user can use the displayed curves to check whether the specified start value of the parameter corresponds to the desired production task. If this is not the case, the user can adapt the simulated curve profiles to the desired profiles by entering corresponding changes via a graphical interface. This is done in step 5.
  • a corresponding change in the parameter is determined in step 6 and in turn stored in step 2. Based on the changed parameter value, a simulation can then be carried out again in step 3 in order to check the curve profiles resulting therefrom. Possibly. the curves can then be changed again.
  • process data is recorded in step 7 during the operation of the machine in order to record one or more parameters which are characteristic of the operation of the machine. Based on the recorded process data, one or more actual curves are displayed to show the actual course of the corresponding parameters.
  • step 8 This display is made in comparison to the target curves obtained through parameterization and simulation.
  • the corresponding display of actual curves and target curves takes place in step 8 on a user interface.
  • one or more parameters can be shown separately in addition or as an alternative to the curve profiles of step 8.
  • An analog display can be selected for this.
  • step 10 a time course of a certain parameter is determined over several machine cycles. The resulting trends are displayed in step 11. This puts the user in a position to react early to an emerging disturbance without actually causing a disturbance
  • FIG. 3 shows an electronic system for realizing the method illustrated with reference to FIGS. 1 and 2.
  • the system has a parameter memory 12 and a machine mode 11 13.
  • the parameter memory 12 is used to store the start value of the parameter and the current parameter value.
  • the Maschmenmodeil 13 represents a software-technical mapping of the real machine.
  • the electronic system has a program component 14 for calling up the parameter from the parameter memory 12, for entering the parameter 12 into the machine model 13 and for carrying out a simulation.
  • the result of a simulation is shown on a display 15 of the user interface.
  • the simulated curve shape can be adapted to a desired curve shape by the user via an input interface 16. This input is preferably done graphically.
  • a correspondingly changed parameter value is determined in the program component 17 from the changed curve shape and is stored in the parameter memory 12.
  • the electronic system also has an input 18 for recorded process data. After appropriate preparation, this process data is shown on the display 15.
  • the program component 19 is used to record the time profile of one or more characteristic parameters of the machine over various machine cycles in order to record trends.
  • the display 15 shows over several machine cycles.
  • the curve profiles shown on the user interface relate to the tool, unit, injection, cooling, ejection and core pulls 1 and 2 of the injection molding machine, each shown over an injection molding cycle of the machine - in the example under consideration - of 20 seconds.
  • the curve profiles shown are simulated curve profiles that are determined by a machine model on the basis of start values of a parameter set.
  • One of the soft keys 20 is assigned to each of the curve profiles. By actuating one of the soft keys 20, the corresponding curve shape can be selected in order to change the curve shape. This is explained in more detail in FIG. 5 with reference to a change in the course of the curve relating to the core pull 1.
  • the input window 21 shows the curve shape “core pull 1 "relevant parameters, namely the time of the start of the extension and the time of the start of the retraction in seconds of the cycle.
  • the change in the curve is thus entered directly via a corresponding change in the parameters determining the curve shape. There is no need to separately determine the changed parameter parameters based on an entered change in the curve shape. forth in this example.
  • the machine model can also be used to determine the change in the parameters based on the input of a change in the curve.
  • the change can also be made immediately using a graphical user interface e.g. be made using a computer mouse or a trackball or the like.
  • FIG. 6 shows the target curve profiles which are displayed on the user interface when the machine is being observed in real operation. These target curve profiles correspond to the simulated curve profiles of FIGS. 4 and 5.
  • FIG. 7 additionally shows the actually measured actual curve profiles at about a point in time of 12 seconds of the machine cycle. The measured curve profiles overlay the simulated curve profiles and in the example shown are congruent with the simulated curve profiles.
  • FIG. 9 In the representation of Fig. 9, certain process parameters are represented by means of analog scales. This is particularly advantageous for dynamic processes.
  • the user receives the representation of FIG. 10.
  • the curves of FIG. 10 show the change in time of certain machine parameters, one machine cycle corresponding to one unit on the time axis The user can intervene to correct the symbolic display of trends early on.

Abstract

A machine, for example, a plastic injection molding machine, is parameterized based on a start value of a parameter. Based on the start value, a simulation is carried out using a machine model. Corresponding curve progressions are displayed to the user. The curve progressions can be modified whereby resulting in a modified parameter. Based on the modified parameter, a simulation can be carried out once again. The simulated actual values, the measured set values and, optionally, temporal trends of determined machine parameters are displayed during the operation of the machine.

Description

Beschreibungdescription
Vorrichtung und Verfahren zur Eingabe von Maschinenparametern und zur Simulation und BeobachtungDevice and method for entering machine parameters and for simulation and observation
Die Erfindung betrifft eine Vorrichtung und ein Verfahren zur Eingabe eines Maschinenparameters, insbesondere für die Para- meterisierung einer Fertigungsvorrichtung, zum Beispiel einer Produktions-, Werkzeug-, Kunststoff-Spritzgieß- , Spritzblas- form-, Textil-, Holzbearbeitungs- oder Verpackungsmaschine oder einer Fertigungszelle, die mit einem Automatisierungssystems ausgestattet sein kann.The invention relates to a device and a method for entering a machine parameter, in particular for the parameterization of a manufacturing device, for example a production, tool, plastic injection molding, injection blow molding, textile, woodworking or packaging machine or one Manufacturing cell that can be equipped with an automation system.
Aus dem Stand der Technik sind Bedienoberflächen für Kunst- stoff-Spritzgießmaschinen bekannt, bei denen die Bedienung und Parameterisierung der Maschine seitengestützt erfolgt. Falls eine einzelne Seite zur Darstellung der anzuzeigenden Daten oder Eingabeparameter nicht ausreicht, wird bei solchen vorbekannten Systeme eine weitere Seite zum Abrufen angebo- ten.User interfaces for plastic injection molding machines are known from the prior art, in which the machine is operated and parameterized with side support. If a single page is not sufficient to display the data or input parameters to be displayed, such a known system offers another page to be called up.
Die sich hieraus ergebende Seitenorganisation ist oft unsystematisch und verwirrend, so dass für die Bedienung und Parameterisierung einer Maschine eine längere Einarbeitungszeit erforderlich ist. Ferner kann es durch die unklare Seitenorganisation auch zu Fehlbedienungen kommen.The resulting page organization is often unsystematic and confusing, so that a longer training period is required to operate and parameterize a machine. The unclear page organization can also lead to incorrect operation.
Insbesondere für die Parameterisierung der Maschine muß der Anwender bei vorbekannten Systemen über durch lange Erfahrung erworbenes Know-how verfügen. Die Einstellung der für eineIn particular for the parameterization of the machine, the user must have know-how acquired through long experience in previously known systems. The setting of one
Produktionsaufgabe benötigten Parameter setzt Erfahrungswissen voraus; dennoch kann es durch nicht optimale Wahl von Parametern zu Verlusten im Produktionsanlauf kommen.Production parameters require knowledge of experience; nevertheless, the non-optimal selection of parameters can lead to losses in the start-up of production.
Der Erfindung liegt daher die Aufgabe zugrunde eine verbesserte Vorrichtung und ein verbessertes Verfahren für die Ein- gäbe eines Maschinenparameters sowie für die Beobachtung der Maschine zu schaffen.The invention is therefore based on the object of an improved device and an improved method for the a machine parameter as well as for the observation of the machine.
Die der Erfindung zugrundeliegende Aufgabe wird jeweils durch die Merkmale der unabhängigen Patentansprüche gelöst. Bevor- zugte Ausführungsformen sind in den abhängigen Patentansprüchen angegeben .The object on which the invention is based is achieved in each case by the features of the independent patent claims. Preferred embodiments are specified in the dependent claims.
Die Erfindung ermöglicht es die Parameterisierung einer Maschine ausgehend von einem Startwert des Parameters vorzuneh- men. Basierend auf dem Startwert wird zunächst eine Simulation durchgeführt. Zur Simulation wird auf ein in einem entsprechenden Computer gespeichertes Maschinenmodell zurückgegriffen .The invention enables a machine to be parameterized on the basis of a start value of the parameter. Based on the starting value, a simulation is first carried out. A machine model stored in a corresponding computer is used for the simulation.
Daraus wird für einen Maschinenzyklus ein entsprechender Kurvenverlauf berechnet und angezeigt . Entspricht der Kurvenverlauf nicht den Wünschen des Anwenders im Hinblick auf die gestellte Produktionsaufgäbe, so kann der Anwender den angezeigten Kurvenverlauf unmittelbar verändern. Daraus wird un- mittelbar oder mittelbar der geänderte Parameter ermittelt und ggf. eine weitere Simulation für die Kontrolle der Änderung durchgeführt.From this, a corresponding curve profile is calculated and displayed for a machine cycle. If the curve does not correspond to the wishes of the user with regard to the production tasks, the user can change the displayed curve immediately. The changed parameter is determined directly or indirectly from this and, if necessary, a further simulation is carried out to check the change.
Nachdem der simulierte Kurvenverlauf dem gewünschten Verlauf in einem Maschinenzyklus entspricht, kann die Maschine in Betrieb gesetzt werden. Während des Betriebs der Maschine werden Prozessdaten erfasst. Basierend auf den Prozessdaten werden entsprechende Ist-Kurven angezeigt und mit den simulierten und berechneten Ist-Kurven verglichen. Wahlweise kann auch eine analoge Anzeige einzelner Kennwerte erfolgen.After the simulated curve course corresponds to the desired course in a machine cycle, the machine can be put into operation. Process data is recorded while the machine is operating. Based on the process data, the corresponding actual curves are displayed and compared with the simulated and calculated actual curves. Optionally, an analog display of individual characteristic values can also take place.
In einer bevorzugten Ausführungsform werden bestimmte Kenngrößen über mehrere Zyklen hin ermittelt und gespeichert. Der zeitliche Verlauf der Kenngrößen in Abhängigkeit von den Ma- schinenzyklen wird graphisch dargestellt, so dass für den Benutzer Trends sichtbar werden. Sobald sich ein Trend abzeichnet, der aus dem erlaubten Bereich hinausführt, kann der Be- nutzer bereits eingreifen, bevor es zu einem Storfall der Maschine kommt .In a preferred embodiment, certain parameters are determined and stored over several cycles. The time course of the parameters depending on the machine cycles is shown graphically so that trends become visible to the user. As soon as a trend emerges that leads out of the permitted range, the user can Intervene before the machine breaks down.
Im Weiteren ist eine bevorzugte Ausführungsform mit Bezug auf die Zeichnungen naher erläutert. Es zeigenA preferred embodiment is explained in more detail below with reference to the drawings. Show it
Fig. 1 ein Flußdiagramm einer Ausführungsform des erfin- dungsgemaßen Verfahrens zur Parameterisierung einer Fertigungsvorrichtung,1 shows a flow chart of an embodiment of the method according to the invention for parameterizing a production device,
Fig. 2 ein Flußdiagramm für die Beobachtung der Maschine im Betrieb,2 shows a flow chart for the observation of the machine in operation,
Fig. 3 eine Vorrichtung zur Durchfuhrung der Verfahren der Fig. 1 und 2,3 shows an apparatus for performing the method of FIGS. 1 and 2,
Fig. 4, 5 zeigen ein Beispiel für die Simulation und Paramet- rierung der Parameter einer Kunststoff- Spritzgießmaschine,4, 5 show an example for the simulation and parameterization of the parameters of a plastic injection molding machine,
Fig. 6-9 zeigen unterschiedliche Beobachtungszeitpunkte undFig. 6-9 show different observation times and
Beobachtungsmodi für die Kunststoff- Spπtzgießmaschine undObservation modes for the plastic injection molding machine and
Fig. 10 zeigt die Darstellung von Kenngrößen der Kunst- stoff-Spritzgießmaschine über mehrere Maschinenzyklen.10 shows the representation of parameters of the plastic injection molding machine over several machine cycles.
Die Figur 1 zeigt ein Flussdiagramm für die Parameterisierung einer Maschine. Zunächst wird in dem Schritt 1 der Startwert eines Parameters für den Betrieb der Maschine im Hinblick auf eine bestimmte Produktionsaufgabe eingegeben. Im Schritt 2 wird dieser Startwert des Parameters gespeichert.FIG. 1 shows a flow diagram for the parameterization of a machine. First, in step 1, the start value of a parameter for the operation of the machine is entered with regard to a specific production task. In step 2 this start value of the parameter is saved.
Im darauffolgenden Schritt 3 wird dieser Startwert in ein Software-technisch realisiertes Modell der Maschine eingegeben, um den Betrieb der Maschine zu simulieren. Ein oder mehrere Verlaufe von den Betrieb der Maschine beschreibenden Größen werden bei der Simulation in dem Schritt 3 berechnet und in Schritt 4 angezeigt .In the following step 3, this starting value is entered into a software-technical model of the machine in order to simulate the operation of the machine. One or more courses describing the operation of the machine Sizes are calculated in step 3 during the simulation and displayed in step 4.
Der Benutzer kann anhand der angezeigten Kurvenverläufe überprüfen, ob der vorgegebene Startwert des Parameters der gewünschten Produktionsaufgabe entspricht. Falls dies nicht der Fall ist kann der Benutzer die simulierten Kurvenverläufe an die gewünschten Verläufe anpassen, indem er entsprechende Änderungen über eine graphische Schnittstelle eingibt. Dies erfolgt in dem Schritt 5.The user can use the displayed curves to check whether the specified start value of the parameter corresponds to the desired production task. If this is not the case, the user can adapt the simulated curve profiles to the desired profiles by entering corresponding changes via a graphical interface. This is done in step 5.
Basierend auf den geänderten Kurvenverläufen wird eine entsprechende Änderung des Parameters in dem Schritt 6 bestimmt und wiederum in dem Schritt 2 gespeichert. Basierend auf dem geänderten Parameterwert kann dann nochmals eine Simulation in dem Schritt 3 erfolgen, um die sich daraus ergebenden Kurvenverläufe zu überprüfen. Ggf. kann dann auch erneut eine Änderung der Kurvenverläufe erfolgen.On the basis of the changed curve profiles, a corresponding change in the parameter is determined in step 6 and in turn stored in step 2. Based on the changed parameter value, a simulation can then be carried out again in step 3 in order to check the curve profiles resulting therefrom. Possibly. the curves can then be changed again.
Nach der Parameterisierung der Maschine kann diese in Betrieb genommen werden. Wie in Fig. 2 dargestellt, erfolgt während des Betriebs der Maschine eine Prozessdatenerfassung in dem Schritt 7, um eine oder mehrere für den Betrieb der Maschine charakteristische Kenngrößen zu erfassen. Basierend auf den erfassten Prozessdaten werden eine oder mehrere Ist-Kurven zur Darstellung des tatsächlichen Verlaufs der entsprechenden Kenngrößen angezeigt.After the machine has been parameterized, it can be put into operation. As shown in FIG. 2, process data is recorded in step 7 during the operation of the machine in order to record one or more parameters which are characteristic of the operation of the machine. Based on the recorded process data, one or more actual curves are displayed to show the actual course of the corresponding parameters.
Diese Anzeige erfolgt im Vergleich zu den durch die Paramet- rierung und Simulation erhaltenen Soll-Kurven. Die entspre- chende Anzeige von Ist-Kurven und Soll-Kurven erfolgt in dem Schritt 8 auf einer Bedieneroberfläche. Wahlweise können in dem Schritt 9 zusätzlich oder alternativ zu den Kurvenverläufen des Schritts 8 eine oder mehrere Kenngrößen gesondert dargestellt werden. Dazu kann eine analoge Anzeige gewählt werden . In dem Schritt 10 wird e n zeitlicher Verlauf einer bestimmten Kenngroße über mehrere Maschinenzyklen ermittelt Die sich daraus ergebenden Trends werden in dem Schritt 11 angezeigt. Dadurch ist der Nutzer m die Lage versetzt, fruhzei- tig auf eine sich abzeichnende Störung zu reagieren ohne das es tatsächlich zum Storfall kommtThis display is made in comparison to the target curves obtained through parameterization and simulation. The corresponding display of actual curves and target curves takes place in step 8 on a user interface. Optionally, in step 9, one or more parameters can be shown separately in addition or as an alternative to the curve profiles of step 8. An analog display can be selected for this. In step 10, a time course of a certain parameter is determined over several machine cycles. The resulting trends are displayed in step 11. This puts the user in a position to react early to an emerging disturbance without actually causing a disturbance
Die Fig. 3 zeigt ein elektronisches System zur Realisierung der in Bezug auf die Fig. 1 und 2 dargestellten Verfahren. Das System hat einen Parameterspeicher 12 und ein Maschinenmode11 13. Der Parameterspeicher 12 dient zur Speicherung des Startwerts des Parameters sowie des aktuellen Parameterwerts . Das Maschmenmodeil 13 stellt eine Software-technische Abbildung der realen Maschine dar.FIG. 3 shows an electronic system for realizing the method illustrated with reference to FIGS. 1 and 2. The system has a parameter memory 12 and a machine mode 11 13. The parameter memory 12 is used to store the start value of the parameter and the current parameter value. The Maschmenmodeil 13 represents a software-technical mapping of the real machine.
Das elektronische System verfugt über eine Programmkomponente 14 zum Abruf des Parameters aus dem Parameterspeicher 12 , zur Eingabe des Parameters 12 in das Maschinenmodell 13 und zur Durchfuhrung einer Simulation. Das Ergebnis einer Simulation wird auf einer Anzeige 15 der Bedienoberflache dargestellt.The electronic system has a program component 14 for calling up the parameter from the parameter memory 12, for entering the parameter 12 into the machine model 13 and for carrying out a simulation. The result of a simulation is shown on a display 15 of the user interface.
Basierend auf der Anzeige eines simulierten Kurvenverlaufs kann über eine Eingabeschnittstelle 16 der simulierte Kurvenverlauf an einen gewünschten Kurvenverlauf durch den Benutzer angepasst werden. Diese Eingabe erfolgt vorzugsweise graphisch. Aus dem geänderten Kurvenverlauf wird m der Programmkomponente 17 ein entsprechend geänderter Parameterwert bestimmt und m dem Parameterspeicher 12 abgespeichert.Based on the display of a simulated curve shape, the simulated curve shape can be adapted to a desired curve shape by the user via an input interface 16. This input is preferably done graphically. A correspondingly changed parameter value is determined in the program component 17 from the changed curve shape and is stored in the parameter memory 12.
Das elektronische System verfugt ferner über einen Eingang 18 f r erfasste Prozessdaten . Diese Prozessdaten werden nach einer entsprechenden Aufbereitung auf der Anzeige 15 dargestellt. Die Programmkomponente 19 dient zur Erfassung des zeitlichen Verlaufs einer oder mehrerer charakteristischer Kenngroßen der Maschine über verschiedene Maschinenzyklen, um so Trends zu erfassen Die ermittelten zeitliche Verlaufe u- ber mehrere Maschinenzyklen werden auf der Anzeige 15 dargestellt.The electronic system also has an input 18 for recorded process data. After appropriate preparation, this process data is shown on the display 15. The program component 19 is used to record the time profile of one or more characteristic parameters of the machine over various machine cycles in order to record trends. The display 15 shows over several machine cycles.
Die Fig. 4 zeigt ein Realisierungsbeispiel der Erfindung mit Bezug auf eine Spritzgießmaschine . Die auf der Bedienoberfläche dargestellten Kurvenverläufe betreffen das Werkzeug, Aggregat, Einspritzen, Kühlen, Auswerfen sowie die Kernzüge 1 und 2 der Spritzgießmaschine jeweils über einen Spritzgießzyklus der Maschine - in dem betrachteten Beispiel - von 20 Sekunden dargestellt. Bei den dargestellten Kurvenverläufen handelt es sich um simulierte Kurvenverläufe, die aufgrund von Startwerten eines Parametersatzes durch ein Maschinenmodell ermittelt werden.4 shows an exemplary embodiment of the invention with reference to an injection molding machine. The curve profiles shown on the user interface relate to the tool, unit, injection, cooling, ejection and core pulls 1 and 2 of the injection molding machine, each shown over an injection molding cycle of the machine - in the example under consideration - of 20 seconds. The curve profiles shown are simulated curve profiles that are determined by a machine model on the basis of start values of a parameter set.
Jedem der Kurvenverläufe ist einer der Soft-Keys 20 zugeordnet. Durch Betätigung eines des Soft-Keys 20 kann der entsprechende Kurvenverlauf selektiert werden um eine Änderung des Kurvenverlaufs vorzunehmen. Dies ist in der Fig. 5 mit Bezug auf eine Änderung des Kurvenverlaufs betreffend den Kernzug 1 näher erläutert.One of the soft keys 20 is assigned to each of the curve profiles. By actuating one of the soft keys 20, the corresponding curve shape can be selected in order to change the curve shape. This is explained in more detail in FIG. 5 with reference to a change in the course of the curve relating to the core pull 1.
Betätigt der Benutzer den Soft-Key 20, der dem Kernzug 1 zugeordnet ist (vergleiche Fig. 4), so erhält er die Darstellung der Fig. 5 mit einem Eingabe-Fenster 21. Das Eingabe- Fenster 21 zeigt die dem Kurvenverlauf „Kernzug 1" betreffenden Parameter, nämlich den Zeitpunkt des Beginns des Ausfah- rens und den Zeitpunkt des Beginns des Einfahrens in Sekunden des Zyklus an. Durch Betätigung der Soft-Keys 22 kann der Benutzer einen oder beide der Parameter „Beginn ausfahren" und „Beginn einfahren" selektieren und durch Betätigung derIf the user presses the soft key 20 that is assigned to the core pull 1 (see FIG. 4), he receives the representation of FIG. 5 with an input window 21. The input window 21 shows the curve shape “core pull 1 "relevant parameters, namely the time of the start of the extension and the time of the start of the retraction in seconds of the cycle. By pressing the soft keys 22, the user can select one or both of the parameters" extend the start "and" retract the start " select and by pressing the
„Plus" und „Minus" Soft-Keys 22 wie gewünscht verändern.Change "Plus" and "Minus" soft keys 22 as required.
In dem gezeigten Beispiel erfolgt die Eingabe der Änderung der Kurve also unmittelbar über eine entsprechende Änderung der die Kurvenform bestimmenden Parameter. Eine gesonderte Bestimmung der geänderten Parameterkennwerte basierend auf einer eingegebenen Änderung der Kurvenform erübrigt sich da- her in diesem Beispiel. Im Allgemeinen kann zur Ermittlung der Änderung der Parameter aufgrund der Eingabe einer Änderung der Kurve ebenfalls auf das Maschinenmodell zurückgegriffen werden.In the example shown, the change in the curve is thus entered directly via a corresponding change in the parameters determining the curve shape. There is no need to separately determine the changed parameter parameters based on an entered change in the curve shape. forth in this example. In general, the machine model can also be used to determine the change in the parameters based on the input of a change in the curve.
Anstelle der Änderung der Kurve über die Eingabe numerischer Parameterwerte kann die Änderung bei Verwendung einer graphischen Benutzeroberfläche auch unmittelbar z.B. über eine Computer-Maus oder einen Trackball oder dergleichen vorgenommen werden.Instead of changing the curve by entering numerical parameter values, the change can also be made immediately using a graphical user interface e.g. be made using a computer mouse or a trackball or the like.
Die Fig. 6 zeigt die Soll-Kurvenverläufe, die auf der Bedienoberfläche beim Beobachten der Maschine im realen Betrieb dargestellt werden. Diese Soll-Kurvenverläufe entsprechen den simulierten Kurvenverläufen der Fig. 4 und 5. Die Fig. 7 zeigt zusätzlich die tatsächlich gemessenen Ist-Kurvenverläufe etwa zu einem Zeitpunkt 12 Sekunden des Maschinenzyk- lus . Die gemessenen Kurvenverläufe überlagern die simulierten Kurvenverläufe und sind in dem gezeigten Beispiel mit den si- mulierten Kurvenverläufen deckungsgleich.FIG. 6 shows the target curve profiles which are displayed on the user interface when the machine is being observed in real operation. These target curve profiles correspond to the simulated curve profiles of FIGS. 4 and 5. FIG. 7 additionally shows the actually measured actual curve profiles at about a point in time of 12 seconds of the machine cycle. The measured curve profiles overlay the simulated curve profiles and in the example shown are congruent with the simulated curve profiles.
Durch Betätigung des Soft-Keys 22 erhält der Benutzer die Anzeige der Fig. 8, d.h. eine digitale Darstellung der Zylindertemperatur. Durch Betätigung des Soft-Keys 22 „Analogan- zeige" der Fig. 8 erhält der Benutzer die Darstellung derBy pressing the soft key 22, the user receives the display of Fig. 8, i.e. a digital representation of the cylinder temperature. By pressing the soft key 22 “analog display” in FIG. 8, the user receives the display of the
Fig. 9. In der Darstellung der Fig. 9 werden bestimmte Prozessparameter mittels analoger Skalen dargestellt. Dies ist insbesondere bei dynamischen Prozessen vorteilhaft.Fig. 9. In the representation of Fig. 9, certain process parameters are represented by means of analog scales. This is particularly advantageous for dynamic processes.
Durch Betätigung des Soft-Keys 22 „Trends" der Fig. 9 erhält der Benutzer die Darstellung der Fig. 10. Die Kurvenverläufe der Fig. 10 zeigen die zeitliche Änderung bestimmter Maschinenparameter, wobei einer Einheit auf der Zeitachse ein Maschinenzyklus entspricht. Aufgrund der so versinnbildlichten Anzeige von Trends kann der Benutzer frühzeitig korrigierend eingreifen . By pressing the soft key 22 "Trends" of FIG. 9, the user receives the representation of FIG. 10. The curves of FIG. 10 show the change in time of certain machine parameters, one machine cycle corresponding to one unit on the time axis The user can intervene to correct the symbolic display of trends early on.

Claims

Patentansprüche claims
1. Verfahren zur Eingabe von Maschinenparametern mit folgenden Schritten:1. Procedure for entering machine parameters with the following steps:
Durchführung einer Simulation eines Maschinenzyklus basierend auf einem Startwert von zumindest einem Parameter,Performing a simulation of a machine cycle based on a starting value of at least one parameter,
- Anzeige eines simulierten Kurvenverlauf des Maschinenzyklus ,- display of a simulated curve of the machine cycle,
Eingabe einer Änderung des Kurvenverlaufs, woraus sich eine Änderung des Startwerts des Parameters ergibt,Entering a change in the curve shape, which results in a change in the start value of the parameter,
Speicherung des geänderten Parameters .Saving the changed parameter.
2. Verfahren nach Anspruch 1 wobei nach der Speicherung des geänderten Parameters eine weitere Simulation basierend auf dem geänderten Parameter zur Kontrolle des geänderten Parameterwerts erfolgt.2. The method according to claim 1, wherein after the changed parameter is saved, a further simulation is carried out based on the changed parameter for checking the changed parameter value.
3. Verfahren nach Anspruch 1 oder 2 wobei die Simulation basierend auf einem Maschinenmodell programmgesteuert erfolgt .3. The method of claim 1 or 2, wherein the simulation is program-based based on a machine model.
4. Verfahren nach einem der Ansprüche 1, 2 oder 3 wobei der Startparameter von einem Benutzer eingegeben wird.4. The method according to any one of claims 1, 2 or 3 wherein the start parameter is entered by a user.
5. Verfahren nach einem der vorhergehenden Ansprüche wobei das Verfahren für einen Start-Parametersatz und eine entsprechende Kurvenschar durchgeführt wird.5. The method according to any one of the preceding claims, wherein the method is carried out for a start parameter set and a corresponding family of curves.
6. Verfahren zur Beobachtung einer Fertigungsm.aschine mit folgenden Schritten Anzeige eines simulierten Ist-Kurvenverlaufs basierend auf einer Parameterisierung der Fertigungsmaschine mit einem Verfahren nach Anspruch 1,6. Procedure for observing a manufacturing machine with the following steps Display of a simulated actual curve shape based on a parameterization of the production machine with a method according to claim 1,
Anzeige eines entsprechenden Ist-Kuvenverlaufs im Vergleich zu der Soll-Kurve.Display of a corresponding actual curve profile in comparison to the target curve.
7. Verfahren nach Anspruch 6 mit folgenden weiteren Schritten :7. The method according to claim 6 with the following further steps:
Erfassung einer charakteristischen Kenngröße in mehreren aufeinanderfolgenden Maschinenzyklen,Acquisition of a characteristic parameter in several successive machine cycles,
Darstellung eines Kurvenverlaufs der Änderung der charakteristischen Kenngröße für aufeinanderfolgende Maschinenzyklen.Representation of a curve of the change in the characteristic parameter for successive machine cycles.
8. Verfahren nach Anspruch 6 oder 7 wobei die Anzeige von Kenngrößen wahlweise analog oder digital erfolgt.8. The method according to claim 6 or 7, wherein the display of parameters is carried out either analog or digital.
9. Vorrichtung zur Eingabe eines Maschinenparameters mit Mitteln (12) zum Speichern eines Startwerts des Parameters, Mitteln (13) zur Simulation eines Maschinenzyklus basierend auf dem Startwert des Parameters, Mitteln (15) zur Anzeige eines Verlaufs einer charakteristischen Kenngröße innerhalb des Maschinenzyklus, Mitteln zur Eingabe einer Änderung des Verlaufs und Mitteln zur Bestimmung eines geänderten Parameterwerts basierend auf der Änderung .9. Device for entering a machine parameter with means (12) for storing a start value of the parameter, means (13) for simulating a machine cycle based on the start value of the parameter, means (15) for displaying a course of a characteristic parameter within the machine cycle, means for entering a change in the course and means for determining a changed parameter value based on the change.
10. Vorrichtung nach Anspruch 9 mit einer Datenerfassung für Prozessdaten und Mitteln zur Anzeige des Ist-Verlaufs einer charakteristischen Kenngröße im Vergleich zu einem entsprechenden Soll-Größenverlauf . 10. The device according to claim 9 with a data acquisition for process data and means for displaying the actual profile of a characteristic parameter in comparison to a corresponding target size profile.
1. Vorrichtung nach Anspruch 9 oder 10 mit Mitteln zur Ermittlung des Verlaufs einer Kenngröße über mehrere Maschinenzyklen . 1. Apparatus according to claim 9 or 10 with means for determining the course of a parameter over several machine cycles.
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WO2001067195A2 (en) 2001-09-13
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WO2001067195A3 (en) 2002-03-14
WO2001067191A3 (en) 2002-02-28

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