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
Authority
WO
WIPO (PCT)
Prior art keywords
machine
parameter
curve
parameters
display
Prior art date
Application number
PCT/DE2001/000802
Other languages
German (de)
French (fr)
Other versions
WO2001067193A3 (en
Inventor
Herbert Grieb
Original Assignee
Siemens Aktiengesellschaft
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
Priority to DE10010898.9 priority Critical
Priority to DE10010898 priority
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
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]

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

description

Device and method for entering machine parameters and for simulation and observation

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.

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.

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.

In 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

Production parameters require knowledge of experience; nevertheless, the non-optimal selection of parameters can lead to losses in the start-up of production.

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 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.

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.

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.

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 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.

A preferred embodiment is explained in more detail below with reference to the drawings. Show it

1 shows a flow chart of an embodiment of the method according to the invention for parameterizing a production device,

2 shows a flow chart for the observation of the machine in operation,

3 shows an apparatus for performing the method of FIGS. 1 and 2,

4, 5 show an example for the simulation and parameterization of the parameters of a plastic injection molding machine,

Fig. 6-9 show different observation times and

Observation modes for the plastic injection molding machine and

10 shows the representation of parameters of the plastic injection molding machine over several machine cycles.

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.

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.

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.

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.

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.

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. 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

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.

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.

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.

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.

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.

If 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

Change "Plus" and "Minus" soft keys 22 as required.

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.

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.

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.

By 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 the representation of Fig. 9, certain process parameters are represented by means of analog scales. This is particularly advantageous for dynamic processes.

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

1. Method for entering machine parameters with the following steps: -Performing a simulation of a machine cycle based on a starting value of at least one Parameters, display of a simulated curve course of the machine cycle, input of a change in the curve course, which results in a change in the starting value of the parameter, storage of the changed parameter.
2. The method according to claim 1, wherein after the storage of the changed parameter, a further simulation takes place based on the changed parameter for checking the changed parameter value.
3. The method of claim 1 or 2, wherein the simulation is program-based based on a machine model.
4. The method according to any one of claims 1, 2 or 3 wherein the Start parameters are entered by a user.
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. A method for observing a production machine with the following steps: display of a simulated actual curve shape based on parameterization of the production machine with a method according to claim 1; display of a corresponding actual curve shape in Comparison to the target curve.
7. The method according to claim 6 with the following further steps: detection of a characteristic parameter in several successive machine cycles, display of a curve of the change in the characteristic parameter for successive machine cycles.
8. The method of claim 6 or 7, wherein the display of Parameters are either analog or digital.
9. Device for entering a machine parameter with Means (12) for storing a starting value of the parameter, means (13) for simulating a machine cycle based on the starting value of the parameter, means (15) for displaying a characteristic curve Parameter within the machine cycle, means for Input of a change in the course and means for determining a changed parameter value based on the change.
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.
11. The apparatus of claim 9 or 10 with means for determining the course of a parameter over several machine cycles.
PCT/DE2001/000802 2000-03-06 2001-03-02 Device and method for inputting machine parameters and for simulating and observing WO2001067193A2 (en)

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Application Number Priority Date Filing Date Title
DE10010898.9 2000-03-06
DE10010898 2000-03-06

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WO2001067193A3 WO2001067193A3 (en) 2002-02-07

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PCT/DE2001/000802 WO2001067193A2 (en) 2000-03-06 2001-03-02 Device and method for inputting machine parameters and for simulating and observing
PCT/DE2001/000800 WO2001067191A2 (en) 2000-03-06 2001-03-02 Device and method for operating, observing and/or monitoring a manufacturing device

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DE10352815A1 (en) * 2003-11-12 2005-06-30 Siemens Ag Simulation method for machining a, workpiece by a machine tool, corresponding computer program and corresponding computer
WO2007036466A2 (en) * 2005-09-30 2007-04-05 Siemens Aktiengesellschaft Method for simulating a control and/or machine behavior of a machine tool or of a production machine
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WO2012038491A1 (en) * 2010-09-22 2012-03-29 Netstal-Maschinen Ag Method for checking a saved production sequence for one or more machines having a cyclical machine operation sequence
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WO2018192895A1 (en) * 2017-04-21 2018-10-25 Sig Technology Ag Providing a user interface for monitoring and/or controlling a packaging system
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