WO2014167677A1 - 数値制御装置、情報連携システムおよび情報連携プログラム - Google Patents
数値制御装置、情報連携システムおよび情報連携プログラム Download PDFInfo
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- WO2014167677A1 WO2014167677A1 PCT/JP2013/060850 JP2013060850W WO2014167677A1 WO 2014167677 A1 WO2014167677 A1 WO 2014167677A1 JP 2013060850 W JP2013060850 W JP 2013060850W WO 2014167677 A1 WO2014167677 A1 WO 2014167677A1
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- 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
- G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
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- 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
- G05B2219/33—Director till display
- G05B2219/33099—Computer numerical control [CNC]; Software control [SWC]
Definitions
- This invention relates to a numerical control device, an information linkage system, and an information linkage program.
- a numerical control (NC) device generally includes an NC control unit, a command unit mainly composed of an NC operation panel, a drive unit composed of a servo amplifier, a spindle amplifier, a motor or a detector. , Is composed of.
- a CNC (Computerized NC) device that incorporates a high-performance dedicated microcomputer and can realize complicated and advanced control with high reliability is also used as one of the NC devices.
- the NC unit can also perform sequence control by input signals from sensors, switches, etc. installed in machine tools.
- the object of control is operation around the machine such as tool change or chip removal.
- An NC device that describes a series of machining operations is called NC programming. This represents a tool path or machining conditions necessary for the machining in the form of a command to the NC device.
- This NC program can be downloaded from an external program automatic generation device to the NC device, or directly input from the NC operation panel.
- NC devices are used in fields where higher speed and higher accuracy control is required, which cannot be realized by a system constructed by combining a general-purpose sequencer and a general-purpose servo.
- Such an NC apparatus has a high real-time property of performing a high-speed response of 0.5 ms or less in a servo system, and can perform highly accurate control capable of 0.1 ⁇ m level control. It has a stable characteristic that enables advanced servo acceleration / deceleration control that does not cause vibration while performing high real-time performance and high-precision control.
- Patent Document 1 discloses a system having a structure in which a FA (Factory Automation) network having a programmable controller, a data file storing data acquired from the programmable controller, and a user application are connected via a data management device. It is disclosed.
- the data management device functions as middleware between the programmable controller, the data file, and the user application that performs processing of storing data collected from a plurality of PLCs in a data file or notifying the user application.
- Patent Document 1 a database that stores data of machine tools / control devices on the FA network side and data that is a dedicated information processing terminal for storing data of machine tools / control devices in the database.
- a management device and middleware for exchanging data between the programmable controller and the database in the data management device are required.
- the installation area of the system increases, the maintenance cost of the dedicated information processing terminal increases, and there is a problem that the operation of the system becomes expensive.
- the present invention has been made in view of the above, and a numerical control device and an information linkage system capable of suppressing maintenance costs without requiring a dedicated information processing terminal and middleware for storing processing device data in a database.
- the purpose is to obtain an information collaboration program.
- a numerical control device includes a processing unit that processes a workpiece, a data memory that stores numerical control data used when processing the workpiece, and the Numerical control device having a control unit for performing calculation using data in the data memory and controlling the machining unit, and numerical control data storage for storing data including numerical control data used in the numerical control device as a database
- the numerical control device used in an information linkage system that is connected via a network and performs information linkage of the numerical control data between the numerical control device and the numerical control data storage device, Numerical control data collecting means for collecting the numerical control data from the data memory, and the number stored in the numerical control data storage device
- An information linkage command generating means for generating an information linkage command for accessing the database in the numerical control data storage device so that data corresponding to the control device matches the collected numerical control data; and the information linkage command Information linkage command transmission means for transmitting the information to the numerical control data storage device.
- the numerical control data in the data memory of the numerical control device is collected, and the information linkage command for updating the data in the numerical control data storage device with the collected numerical control data is generated and transmitted. Therefore, the numerical control data of the numerical control device can be stored in the numerical control storage device without preparing a dedicated information processing terminal having dedicated middleware outside the numerical control device. As a result, the installation area of the entire system can be reduced, and the maintenance cost can be reduced.
- FIG. 1 is a diagram schematically showing an example of the configuration of the information cooperation system according to this embodiment.
- FIG. 2 is a block diagram schematically showing an example of the functional configuration of the information cooperation system according to this embodiment.
- FIG. 3 is a diagram illustrating an example of a data structure of the information cooperation project.
- FIG. 4 is a diagram illustrating an example of the data structure of the information cooperation connection target setting.
- FIG. 5 is a diagram illustrating an example of a data structure of NC data collection timing setting.
- FIG. 6 is a diagram illustrating an example of the data structure of the information linkage command setting.
- FIG. 7 is a diagram illustrating an example of the data structure of the collected NC data editing method setting.
- FIG. 8 is a diagram illustrating an example of a data structure of information cooperation timing setting.
- FIG. 1 is a diagram schematically showing an example of the configuration of the information cooperation system according to this embodiment.
- FIG. 2 is a block diagram schematically showing an example of the functional configuration of the information cooperation system
- FIG. 9 is a diagram illustrating an example of the data structure of the update NC data editing method setting.
- FIG. 10 is a diagram illustrating an example of a data structure of collected NC data.
- FIG. 11 is a diagram illustrating an example of the data structure of the NC data for update.
- FIG. 12 is a flowchart illustrating an example of a procedure in the information cooperation task in the information cooperation process from the processing machine to the database server in the information cooperation system.
- FIG. 13 is a sequence diagram illustrating an example of a procedure for information cooperation between the NC device and the database server.
- FIG. 14 is a flowchart illustrating an example of a procedure in the information cooperation task in the information cooperation process from the database server to the processing machine in the information cooperation system.
- FIG. 1 is a diagram schematically showing an example of the configuration of the information linkage system according to this embodiment.
- the information linkage system uses a CNC device 20A, which is an NC device, or processing machines 10B, 10C incorporating the NC device, and data (hereinafter referred to as NC data) used in the CNC device 20A or the processing machines 10B, 10C in a database.
- a database server 100 to be managed is connected via a network 150.
- the NC data is data in accordance with a specific theme related to the NC device, and can be exemplified by machining information in the NC device.
- a laser processing machine 10B that processes a workpiece with a laser an electric discharge machine 10C that processes a workpiece by electric discharge, or the like can be used.
- the laser processing machine 10B is a machine tool developed for the purpose of performing machining that is impossible even with the use of conventional blades or cutting tools by using laser light for cutting or cutting.
- the laser beam machine 10B includes a drive unit 60B that processes a workpiece and a command unit 20B that gives an instruction to the drive unit 60B according to the NC program.
- the electric discharge machine 10C is a machine tool that employs a machining method that removes a part of the surface of the workpiece by arc discharge repeatedly generated in a short cycle between the electrode and the workpiece. By using an electric discharge machine, it is possible to cut out complex contours from hard metal, extremely hard steel, titanium, carbide, etc. that could not be processed by conventional machining techniques.
- the electric discharge machine 10C includes a drive unit 60C that processes a workpiece and a command unit 20C that gives an instruction to the drive unit 60C according to the NC program.
- These laser processing machine 10B and electric discharge machine 10C incorporate command units 20B and 20C, which are NC devices, and precisely control the movement of the processing unit (tool) to realize fine processing.
- command units 20B and 20C which are NC devices, and precisely control the movement of the processing unit (tool) to realize fine processing.
- this embodiment can be applied to any NC machine that is incorporated in a processing machine and that precisely controls the movement of the tool and realizes fine processing.
- a database server (denoted as a DB server in the figure) 100 is a server having a database inside and operating a database management system.
- the database server 100 performs processing such as database search in response to a request from a client and returns a processing result.
- This embodiment relates to the database server 100, but is not limited to this.
- Various servers currently in use often take the form of information management with a built-in database. Therefore, even if the name is not a database server, it may be related to this embodiment as long as the server has a database installed therein.
- a File server 110 for example, a File server 110, an FTP (File Transfer Protocol) server 120, a Web server 130, App.
- An (application) server 140 can be exemplified.
- the file server 110 is a server installed to share files on a network such as a LAN (Local Area Network) or a WAN (Wide Area Network).
- the FTP server 120 is a server that transmits and receives files using FTP.
- the Web server 130 exchanges information using HTTP (HyperText Transfer Protocol) which is a kind of communication protocol.
- HTTP HyperText Transfer Protocol
- the web server 130 is one of the essential elements in building a website.
- the application server 140 is a server that plays a role of executing an application layer program in a three-layer model in which a business system is divided into a presentation layer, an application layer, and a data layer.
- FIG. 2 is a block diagram schematically showing an example of the functional configuration of the information linkage system according to this embodiment.
- the information cooperation system has a configuration in which the processing machine 10 and the database server 100 that is a numerical control data storage device are connected via a network.
- the database server 100 includes an information cooperation command transmission / reception unit 101, a database storage unit 102, and a database management unit (denoted as DBMS in the drawing) 103.
- the information linkage command transmission / reception unit 101 has a database stored in the database storage unit 102 and an NC device or a processing machine 10 incorporating the NC device (command unit 20) (hereinafter collectively referred to as a processing machine).
- An information cooperation command for coordinating the NC information is transmitted to and received from the processing machine 10.
- the database storage unit 102 stores NC information inherent in the processing machine 10 such as an NC control machine tool, a laser processing machine 10B, or an electric discharge machine 10C connected to a network in a database format. NC information in the database is linked with the processing machine 10.
- the database management unit 103 performs processing for an access request for the database in the database storage unit 102.
- the processing machine 10 includes a command unit 20 and a drive unit 60 that is a processing unit.
- the drive unit 60 includes a spindle motor 61 that rotates the spindle controlled by the spindle amplifier 62, a spindle amplifier 62 that rotates the spindle by driving the spindle motor 61, and a position and speed of a tool or the like by the servo amplifier 64.
- Servo motor 63 that performs control
- servo amplifier 64 that drives servo motor 63, limit switch, sensor, and other switches 65 that are input signal generation units that acquire the device state of processing machine 10, and command unit 20 And contactors, solenoids, lamps, etc. 66 that are operating parts operated by instructions.
- the command unit 20 includes an NC control unit 30, an NC operation panel 50, and a program creation device 55.
- the NC operation panel 50 includes a display for displaying information for operating the NC control unit 30 and operation keys for giving instructions to the NC control unit 30.
- the program creation device 55 creates a machining program (NC program) that expresses a tool path or machining conditions necessary for machining by the machining machine in the form of a command to the control unit 30.
- the machining program can be downloaded from the program creation device 55 to the control unit 30, or can be created by inputting directly from the NC operation panel 50 and introduced into the NC control unit 30.
- the NC control unit 30 is an operation panel I that is a communication interface between the CPU 31, the memory 32, an external I / F 33 that is a communication interface between external devices such as a program creation device 55, and the NC operation panel 50.
- / F34 and a spindle control I / F 35 that is a communication interface between the spindle amplifier 62, a servo control I / F 36 that is a communication interface between the servo amplifier 64, a limit switch, a sensor, and other switches 65
- a digital input I / F 37 which is a communication interface between the contactor, solenoid, lamp and others 66.
- NC program necessary for machining
- NC data used for computation by the machining program or output as a result of the computation and NC data that links information between the database server 100 And are stored.
- NC data are stored in a volatile memory or a non-volatile memory, depending on the application.
- the memory 32 stores an information cooperation program for performing information cooperation with the database server 100.
- a mechanism for performing information collaboration with the database server 100 is implemented as a new task (hereinafter referred to as an information collaboration task) inside the NC device (command unit 20), and these are implemented in the processing machine 10. Realized by mounting.
- the information cooperation task includes an information cooperation project 71, an NC data collection unit 72 that is a numerical control data collection unit, an NC data collection timing management unit 73, a clock information management unit 74, an information cooperation command management unit 75, and numerical values.
- Collected NC data storage unit 76 that is a control data storage unit, collected NC data editing method setting management unit 77, a collected NC data editing unit 78 that is a numerical control data editing unit, and an information link command that is an information link command generation unit
- Accumulation unit 86, update NC data editing method setting management unit 87, and update as numerical control data editing means for updating Has a NC data editing unit 88, an NC data updating unit 89 is a numerical control data updating means.
- the information cooperation project 71 records operation setting information of each processing unit when the information cooperation task 70 is executed when the NC apparatus performs information cooperation with the database server 100. This setting information is set by an operator, for example, from the NC operation panel 50 or an external device. Each processing unit executes processing with reference to the information cooperation project 71.
- FIG. 3 is a diagram showing an example of the data structure of the information cooperation project.
- the information linkage project 71 includes an information linkage setting ID 711, an information linkage setting 712, an information linkage connection target setting 713, an NC data collection timing setting 714, an information linkage command setting 715, a collected NC data editing method setting 716, an information linkage timing setting 717, An update NC data editing method setting 718 is included.
- the information cooperation setting ID 711 is information for identifying the information cooperation project 71.
- the information cooperation setting ID 711 includes a serial number 7111, an information cooperation setting ID name setting 7112, an information cooperation setting name character number 7113, and an information cooperation setting name 7114.
- the serial number 7111 uniquely identifies (numerically and numerically identifies) a plurality of information linkage projects 71-1, 71-2,..., 71-n, 1, 2,. ⁇ Numbers such as n are added.
- the serial number 7111 is an example, and any number can be used as long as it can be uniquely identified.
- the information cooperation setting ID name setting 7112 manages the presence / absence of a name set in the information cooperation project 71 specified by the information cooperation setting ID 711. For example, “0” is input when there is no information cooperation setting ID name, and “1” is input when there is an information cooperation setting ID name.
- the information linkage setting name character count 7113 is input with the number of characters of the name of the information linkage project 71 set by the operator when there is an information linkage setting ID name.
- the information cooperation setting name 7114 is input with the name of the information cooperation project 71 set by the operator when there is an information cooperation setting ID name. Note that the information cooperation setting ID name setting 7112, the information cooperation setting name number of characters 7113, and the information cooperation setting name 7114 are introduced to facilitate the management of the information cooperation project 71 by the operator, and as necessary. Provided.
- the information linkage setting 712 is information that specifies whether or not the information linkage project 71 is caused to function and the processing machine 10 (command unit 20) and the database server 100 are actually linked. For example, “0” is input when information is not linked, and “1” is input when information is linked.
- the information cooperation project 71 can be managed by the information cooperation setting ID 711, a plurality of information cooperation projects 71-1 to 71-n can be configured.
- “1” for information linkage is applied, but whether or not information linkage is performed depends on the system requirements. Therefore, the information linkage setting 712 can easily switch between valid / invalid of the setting. it can.
- the information cooperation connection target setting 713 is information for designating logical identification information of a database in which the processing machine 10 according to this embodiment performs information cooperation, and is managed by the information cooperation connection management unit 82.
- FIG. 4 is a diagram illustrating an example of the data structure of the information cooperation connection target setting.
- the information linkage connection target setting 713 includes a designation presence / absence 301 for determining whether or not to designate a connection target for information linkage, and database connection information 302 when a connection target for information linkage is designated.
- location information such as an IP (Internet Protocol) address or URL (Uniform Resource Locator), a port number used for connection, a user name for ensuring security, a password, and the like are set.
- the NC data collection timing setting 714 is information for designating the timing at which the processing machine 10 according to this embodiment collects NC data stored in the memory 32 in the NC control unit 30.
- FIG. 5 is a diagram illustrating an example of a data structure of NC data collection timing setting. Depending on the contents of this NC data collection timing setting 714, the processing machine 10 gives an opportunity to collect NC data. Then, based on the contents set in the NC data collection timing setting 714, the information cooperation task operates to check the contents of the designated NC data.
- an on-time collection 311, a periodic collection 312, a value monitoring collection 313, and a system startup collection 314 are provided.
- the scheduled collection 311 sets whether or not to collect NC data to be linked when information changes from false to true when the designated date / time or day of the week matches the current date / time or day of the week.
- details such as date and time are set.
- the state when the designated date / time or day of the week is reached is “true”, and the state other than that, that is, the state before or after the designated date / time or day of the week is “false”.
- the periodic collection 312 repeats true and false at a specified cycle interval (for example, in seconds), and sets whether or not to collect NC data when changing from false to true.
- details such as the cycle are set.
- the value monitoring collection 313 monitors the value of the signal specified in the “command signal” item in the cycle set by the value monitoring cycle, and sets whether or not to collect NC data when the condition is satisfied. To do.
- information such as the type of signal to be monitored, the condition to be satisfied by the signal, and the cycle for monitoring the signal are set. For example, if the state matched with the specified signal establishment condition is “true” and “false” before and after the “true” state where the specified signal condition is not satisfied, The value of a certain signal is monitored, and NC data is collected when it changes from “false” to “true”.
- the value monitoring cycle refers to a cycle in which the information cooperation task 70 monitors the value of the memory 32 in the NC control unit 20.
- This value monitoring cycle is the same as the collection interval of the fixed-cycle collection 312.
- the value monitoring cycle (setting) is for reading another value of the memory 32 in the NC control unit 20 (a value to be stored in the database server 100) with a certain signal storing a certain value as a trigger.
- the signal state that is, the value
- the system startup collection 314 is for setting whether or not to collect NC data when the processing machine 10 of the information linkage system is activated.
- the information cooperation command setting 715 is information for specifying the type of communication command used when the processing machine 10 according to this embodiment performs information cooperation with the database, and is managed by the information cooperation command management unit 75.
- communication commands differ depending on the type of database to be connected, in recent years, since a database is generally operated using SQL, in this embodiment, an SQL command is given as an example. Specifically, a table name in the database server 100 that performs information cooperation and an item in the table name are designated.
- FIG. 6 is a diagram showing an example of the data structure of the information linkage command setting.
- the types of SQL commands include “INSERT” 321 for instructing addition of data in the database, “UPDATE” 322 for instructing update of data in the database, “DELETE” 323 for instructing deletion of data in the database, and A “SELECT” 324 for instructing acquisition of data in the database is included.
- the information linkage command setting 715 corresponds to each of the commands 321 to 322, the table name in the database server for information linkage, the column name in the record indicating the record name in the table for information linkage, and the column name in the record in the table. NC data source name indicating the record name in the NC data to be included.
- INSERT a table name (table name) into which a data string is to be inserted, a column name in the table, and a data string corresponding to the column name are set.
- UPDATE a table name for updating the data string, a column name in the table, a data string corresponding to the column name, and an extraction condition for the record to be updated are set.
- DELETE a table name in which a record to be deleted exists and an extraction condition for the record to be deleted are set.
- SELECT a table name in which a record to be read will exist, and an extraction condition and a rearrangement condition for the record to be read are set.
- the collected NC data editing method setting 716 sets whether or not it is necessary to edit the NC data collected before the processing machine 10 according to this embodiment cooperates with the database server 100, and when editing is necessary, This is information for setting the editing method (program), and is managed by the collected NC data editing method setting management unit 77.
- FIG. 7 is a diagram illustrating an example of the data structure of the collected NC data editing method setting. As shown in this figure, the collected NC data editing method setting 716 includes a designation presence / absence 331 for designating presence / absence of editing before information linkage, and an operation for designating a program name as the editing method when editing is designated. And method designation 332.
- the information cooperation timing setting 717 is information for designating the timing at which the processing machine 10 according to this embodiment cooperates with the database server 100, and is managed by the information cooperation timing management unit 81.
- FIG. 8 is a diagram illustrating an example of a data structure of information cooperation timing setting. Depending on the setting contents of the information cooperation timing setting 717, the processing machine 10 gives an opportunity for information cooperation with the database server 100. Then, according to the contents of the information cooperation timing setting 717, the information cooperation task 70 operates, and information cooperation is performed between the processing machine 10 and the database server 100.
- the on-time collection 341, the periodic collection 342, the value monitoring collection 343, the system startup collection 344, and the NC data collection timing 345 are provided.
- the periodic collection 341, the periodic collection 342, the value monitoring collection 343, and the system startup collection 344 are the same as the NC data collection timing setting 714 in FIG.
- the same 345 as the NC data collection timing is selected when there is no need to change the NC data collection timing setting 714 and the information link timing.
- the update NC data editing method setting 718 is performed after the processing machine 10 according to this embodiment extracts NC data (hereinafter referred to as update NC data) set in the processing machine 10 from the database server 100, and then the processing machine. 10 is information for setting the necessity of editing before the update NC data is expanded and the editing method (program) when editing is necessary, and is managed by the updating NC data editing method setting management unit 87.
- the FIG. 9 is a diagram illustrating an example of the data structure of the update NC data editing method setting. As shown in this figure, the update NC data editing method setting 718 extracts the update NC data from the database server 100 and then expands the update NC data to the processing machine 10 (the memory 32 of the NC control unit 30). There is a designation presence / absence 351 for designating the presence / absence of editing before the operation, and a calculation method designation 352 for designating a program name as an editing method when editing is designated.
- NC data collection unit 72 determines that the timing for collecting NC data has been established based on the contents of the NC data collection timing setting 714 of the information cooperation project 71, the current date and time information, the periodic interrupt interval, and the like. Then, NC data is collected from the memory 32 of the processing machine 10 (NC control unit 30) according to the content of “data source name in NC” which is the extraction target of the information cooperation command setting 715. For example, referring to the command “INSERT” of the information linkage command setting 715 in FIG. 6, “operation history—operator”, “movement history—operation time”, and “operation history—work current” as the “NC data source name”. Since “location” is registered, data corresponding to these source names is collected.
- the NC data collection timing management unit 73 manages the NC data collection timing setting 714 in the information cooperation project 71. Specifically, in order to generate the NC data collection timing setting 714, a setting screen is displayed on the display unit of the NC operation panel 50, and information input via the operation keys on the setting screen by the operator is information-linked. Save as the NC data collection timing setting 714 of the project 71.
- the clock information management unit 74 manages information related to time. As information managed in time, for example, current date and time information, count information when periodically interrupting, and the like can be exemplified. Then, the information is notified to the NC data collection unit 72 and the information cooperation timing management unit 81.
- the information cooperation command management unit 75 manages the information cooperation command setting 715 in the information cooperation project 71.
- the information cooperation command setting 715 includes a use condition of a command used when information cooperation is performed between NC data in the memory 32 of the processing machine 10 and data in the database server 100. Including.
- Such information cooperation command setting 715 is input by the user, and the information cooperation command management unit 75 manages setting contents input by the user.
- the collected NC data accumulation unit 76 stores (accumulates) the NC data in the memory 32 of the processing machine 10 collected by the NC data collection unit 72.
- this collected NC data is also referred to as collected NC data.
- FIG. 10 is a diagram illustrating an example of a data structure of collected NC data.
- the collected NC data has a table structure, and corresponds to the table name and column name in the database server 100 for information linking with the data source name in the memory 32 of the processing machine 10 based on the information linking command setting 715. It has a storage area.
- “information linkage setting ID” 711, “table name in database” which is the name of the database table in the database server 100 to be linked, and “in NC” which is an item extracted from the NC data in the processing machine 10.
- Data source name ”and“ column name in record ” which is an item in the database server 100 corresponding to“ data source name in NC ”.
- data corresponding to “column name in record” is not extracted.
- the serial number is stored as the information linkage setting ID 711, the table name of the database to be collected is “Sound”, and the data source names of the collection target are “operation history—operator”, “operation history—operation time”, and “ Data of “operation history—workpiece current position” is extracted.
- the collected NC data editing method setting management unit 77 manages the collected NC data editing method in the information cooperation project 71. Specifically, as shown in FIG. 7, editing contents to be set for the collected NC data are set based on an input from the user.
- the collected NC data editing unit 78 based on the contents of the collected NC data editing method setting 716, when editing is specified in the collected NC data editing method setting 716 by the user or system setting, Edit the collected NC data stored in.
- the collected NC data is edited according to the program designated by the calculation method designation 332 of the collected NC data editing method setting 716 in FIG.
- the collected NC data editing unit 78 edits the storage area corresponding to the “column name in record” of the NC data in the collected NC data storage unit 76. That is, the edited data stored in “data source name in NC” is stored in “column name in record”.
- the storage area having the same name as the “in-NC data source name” is not set as a target space for the editing function so that the NC data collection unit 72 can store data at any time.
- the information cooperation command generation unit 79 generates an information cooperation command based on the information cooperation command setting 715 in the information cooperation project 71.
- the information cooperation command generation unit 79 passes the generated information cooperation command to the information cooperation command transmission unit 84, and passes the copied information cooperation command to the information cooperation command saving unit 80.
- the information linkage command saving unit 80 passes a copy of the information linkage command generated by the information linkage command generation unit 79 to the information linkage command saving unit 80 to prepare for data retransmission when a communication abnormality occurs.
- the information collaboration timing management unit 81 determines whether it is the timing of information collaboration based on the information collaboration connection target setting in the information collaboration project 71 and the clock information from the clock information management unit 74, and sets the timing of information collaboration. When it becomes, it notifies the information cooperation command transmission part 84 that it became the timing of information cooperation.
- the information cooperation connection management unit 82 manages the information cooperation connection target setting 713 in the information cooperation project 71.
- the information collaboration command transmission / reception unit 83 includes an information collaboration command transmission unit 84 that is an information collaboration command transmission unit, and an information collaboration command reception unit 85 that is an information collaboration command reception unit.
- the information cooperation command transmission unit 84 stores the information cooperation command transmission unit 84 in the database of the database server 100 connected to the network based on the information cooperation connection setting in the information cooperation project 71.
- generation part 79 is transmitted.
- the information cooperation command receiving unit 85 receives an information cooperation command (for example, a response to the “SELECT” command received from the database server 100) from the database server 100, and changes the NC data in the memory 32 associated with the information cooperation command.
- NC data to be stored in the update NC data storage unit 86 In order for the NC device to cooperate with the database server 100, the NC device and the database server 100 need to be logically connected.
- the NC data received from the database server in order to update the NC data in the memory 32 is also referred to as update NC data.
- the update NC data storage unit 86 stores the update NC data acquired from the database server 100.
- the update NC data is NC data used for control in the processing machine 10 and is information for updating the NC data currently stored.
- FIG. 11 is a diagram illustrating an example of the data structure of the NC data for update.
- the NC data for update has a table structure, and based on the information linkage command setting 715, the data name for information linkage in the processing machine 10, the table name and the data name in the database server 100 to be linked to information, Has a storage area corresponding to.
- the information linkage setting ID 711 the “table name in database” in the database server 100 to be linked, the “data source name in NC” that is an item of data to be linked in the processing machine 10, and the data in the database server 100 And “column name in record” which is an item corresponding to “data source name in NC”.
- a serial number is stored as the information linkage setting ID 711, and the column names in the records “workschwetz”, “kakouhouho”, and “kakoujunban” from the table name in the database named “chushutsu” The case where the data of is extracted is shown.
- the updating NC data editing method setting management unit 87 manages the updating NC data editing method setting 718. Specifically, as shown in FIG. 9, the contents of editing performed on the update NC data acquired from the database server 100 are managed based on the input by the user.
- the update NC data editing unit 88 based on the content of the update NC data editing method setting 718, when editing is specified in the update NC data editing method setting 718 by the user or system setting, Edit the update NC data stored in the data storage unit 86.
- the NC data for update is edited according to the program designated by the calculation method designation in the NC data editing method setting for updating 718 of FIG.
- the update NC data editing unit 88 can edit the storage area corresponding to the “NC data source name” of the update NC data in the update NC data storage unit 86. That is, the edited data stored in “column name in record” is stored in “data source name in NC”. Since the data in the NC device cannot be directly edited, processing is performed using the storage space of the update NC data storage unit 86. Further, the storage area corresponding to “column name in record” is not subject to the editing function by the update NC data editing unit 88 so that the SELECT response may be received at any time.
- the NC data updating unit 89 uses the NC data for updating in the NC data accumulating unit 86 for updating based on the current date and time information and the periodic interrupt interval, and the like in the memory 32 of the processing machine 10 (NC control unit 30). Update the data.
- FIG. 12 is a flowchart illustrating an example of a procedure in the information cooperation task in the information cooperation process from the processing machine to the database server in the information cooperation system.
- the NC data collection unit 72 determines whether the collection timing specified by the NC data collection timing setting 714 has come (step S11). If it is not the collection timing (No in step S11), the process waits until the collection timing is reached. Further, when the collection timing is reached (Yes in step S11), the NC data collection unit 72 collects NC data from the memory 32 (data memory) of the NC control unit 30 and collects the collected NC data storage unit 76. (Step S12).
- step S13 it is determined whether or not editing of collected NC data is set in the collected NC data editing method setting 716 (step S13). If editing is set (Yes in step S13), the collected NC data is edited based on the contents of the collected NC data editing method setting 716 (step S14). Thereafter, or when editing is not set in step S13 (in the case of No in step S13), the information linkage command generation unit 79 is stored in the collected NC data accumulation unit 76 based on the information linkage command setting 715. An information cooperation command for transmitting the collected NC data to the database server 100 (information cooperation) is generated (step S15). When registering new collected NC data in the database server 100, the “INSERT” command is used. When updating part of the collected NC data, the “UPDATE” command is used to delete the collected NC data. If so, use the “DELETE” instruction.
- the information cooperation command generation unit 79 passes the generated information cooperation command to the information cooperation command transmission unit 84, copies the generated information cooperation command, and passes it to the information cooperation command saving unit 80 (step S16). This is to prepare for data retransmission when a communication abnormality occurs between the processing machine 10 and the database server 100.
- the information cooperation command transmission unit 84 determines whether the information cooperation timing specified by the information cooperation timing setting 717 has come (step S17). If it is not the information cooperation timing (No in step S17), the system waits until the information cooperation timing is reached. Further, when the information cooperation timing is reached (Yes in step S17), the information cooperation command transmission unit 84 transmits the information cooperation command to the database server 100 (step S18) and performs information cooperation. Thus, the information linkage process for reflecting the NC data of the processing machine 10 on the database server 100 is completed.
- FIG. 13 is a sequence diagram illustrating an example of a procedure for information cooperation between the NC device and the database server.
- FIG. 13A illustrates a normal processing procedure
- FIG. 13B illustrates a process when a failure occurs. The procedure is shown. The following processing is performed by the information cooperation command transmission unit 84 in the information cooperation command transmission / reception unit 83 of the information cooperation task 70.
- the processing machine 10 transmits a transaction start request to the database server 100 (SQ21).
- the SQL statement that is the information cooperation command shown in step S18 of FIG. 12 is transmitted (executed) (SQ22).
- the change process is determined to be a valid result, and a commit process is performed to reflect it in the database (SQ23). Normally, the processing from the transaction start request to the commit is repeatedly executed.
- a DB close process for releasing a session established between the NC device and the database server 100 when the system is terminated is performed (SQ31).
- FIG. 14 is a flowchart showing an example of a procedure in the information cooperation task in the information cooperation process from the database server to the processing machine in the information cooperation system.
- the processing machine 10 transmits an information linkage command for extracting update NC data to the database server 100 (step S31).
- This update NC data acquisition request uses a “SELECT” command for data extraction.
- the details of the procedure up to the transmission of the update NC data acquisition request are the same as the procedure described with reference to FIG.
- the database server 100 When the database server 100 receives the information linkage command including the update NC data acquisition request, the database server 100 extracts the update NC data according to the information linkage command and transmits it to the processing machine 10 via the information linkage command transmission / reception unit 83. To do.
- the information link command transmission / reception unit 83 of the information link task 70 of the processing machine 10 stores the update NC data in the update NC data storage unit 86 (step S33).
- the update NC data editing unit 88 determines whether or not the update NC data editing is set in the update NC data editing method setting 718 (step S34). If editing has been set (Yes in step S34), the updating NC data editing unit 88 edits the updating NC data based on the contents of the updating NC data editing method setting 718 (step S35). ). After that, or when editing is not set in step S34 (No in step S34), the NC data update unit 89 refers to the clock information and updates stored in the update NC data storage unit 86. The contents of the memory 32 of the processing machine 10 are updated with the NC data for use (step S36). Thus, the NC data update process for the processing machine 10 is completed.
- the information cooperation method in the processing machine 10 (NC apparatus) mentioned above can be comprised as a program which stored the processing procedure. And it is realizable by making this program run with the above-mentioned processing machine 10 (NC apparatus).
- This program also includes hard disks, SSD (Solid State Drive), floppy (registered trademark) disks, CD (Compact Disk) -ROM, MO (Magneto-Optical disk), DVD (Digital Versatile Disk or Digital Video Disk), etc. It is recorded on a computer-readable recording medium. In this case, it may be read from the recording medium by the processing machine 10 (NC device), or read from the recording medium by an information processing terminal such as an engineering tool connected to the processing machine 10 (NC device). May be installed in the processing machine 10 (NC device) via a network and read by the processing machine 10 (NC device).
- This program can also be distributed through a network (communication line) such as the Internet.
- NC device a function of collecting NC data in the memory 32 of the processing machine 10 (NC device), generating and transmitting an information linkage command for updating data in the database server 100 with the collected NC data
- the NC control unit 30 of the processing machine 10 has a function of updating the NC data in the memory 32 of the processing machine 10 (NC device) with the NC data for update acquired from the database server 100 according to the instruction of the information linkage command. It was. Accordingly, the NC data of the processing machine 10 can be stored in the database server 100 without preparing a dedicated information processing terminal having dedicated middleware outside the processing machine 10. As a result, the installation area of the entire system can be reduced, and the cost for operating and maintaining the system can be reduced.
- the processing machine 10 can actively cooperate with the database server 100.
- the processing machine 10 can actively cooperate with the database server 100.
- the numerical control device is useful for a system that links NC information with a database server connected via a telecommunication line.
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Abstract
Description
Claims (12)
- 被加工物に対して加工を施す加工部、前記被加工物の加工の際に利用する数値制御データを記憶するデータメモリ、および前記データメモリ中のデータを用いて演算を行い、前記加工部を制御する制御部を有する数値制御装置と、前記数値制御装置で使用される数値制御データを含むデータをデータベースとして格納する数値制御データ格納装置と、がネットワークを介して接続され、前記数値制御装置と前記数値制御データ格納装置との間で前記数値制御データの情報連携を行う情報連携システムで使用される前記数値制御装置であって、
前記数値制御データを前記データメモリから収集する数値制御データ収集手段と、
前記数値制御データ格納装置に格納されている当該数値制御装置に対応するデータを、収集した前記数値制御データに一致させるように、前記数値制御データ格納装置内の前記データベースへアクセスする情報連携コマンドを生成する情報連携コマンド生成手段と、
前記情報連携コマンドを前記数値制御データ格納装置に送信する情報連携コマンド送信手段と、
を備えることを特徴とする数値制御装置。 - 前記数値制御データ格納装置の前記データベースから、当該数値制御装置の数値制御データを更新する更新用数値制御データを抽出する前記情報連携コマンドに対する応答を受信する情報連携コマンド受信手段と、
受信した前記応答に含まれる前記更新用数値制御データで、前記データメモリに記憶されている前記数値制御データの更新を行う数値制御データ更新手段と、
をさらに含むことを特徴とする請求項1に記載の数値制御装置。 - 前記数値制御データ収集手段は、前記数値制御データを前記データメモリ中から収集するタイミングを規定した数値制御データ収集タイミング設定情報に基づいて前記数値制御データの収集を行うことを特徴とする請求項1に記載の数値制御装置。
- 前記情報連携コマンド送信手段は、前記情報連携コマンドを送信するタイミングを規定した情報連携タイミング設定情報に基づいて前記数値制御データを前記数値制御データ格納装置に送信することを特徴とする請求項1に記載の数値制御装置。
- 前記数値制御データ収集手段で収集された前記数値制御データを蓄える数値制御データ蓄積手段と、
前記数値制御データ蓄積手段に蓄えられた前記数値制御データを所定の条件にしたがって編集する数値制御データ編集手段と、
をさらに備え、
前記情報連携コマンド送信手段は、前記編集された数値制御データを送信することを特徴とする請求項1に記載の数値制御装置。 - 前記情報連携コマンド受信手段で受信された前記応答に含まれる前記更新用数値制御データを蓄える更新用数値制御データ蓄積手段と、
前記更新用数値制御データ蓄積手段に蓄えられた前記更新用数値制御データを所定の条件にしたがって編集する更新用数値制御データ編集手段と、
をさらに備え、
前記数値制御データ更新手段は、前記編集された更新用数値制御データで、前記データメモリに記憶されている前記数値制御データの更新を行うことを特徴とする請求項2に記載の数値制御装置。 - 被加工物に対して加工を施す加工部、前記被加工物の加工の際に利用する数値制御データを記憶するデータメモリ、および前記データメモリ中のデータを用いて演算を行い、前記加工部を制御する制御部を有する数値制御装置と、前記数値制御装置で使用される数値制御データを含むデータをデータベースとして格納する数値制御データ格納装置と、がネットワークを介して接続され、前記数値制御装置と前記数値制御データ格納装置との間で前記数値制御データの情報連携を行う情報連携システムであって、
前記数値制御装置は、
前記数値制御データを前記データメモリから収集する数値制御データ収集手段と、
前記数値制御データ格納装置に格納されている当該数値制御装置に対応するデータを、収集した前記数値制御データに一致させるように、前記数値制御データ格納装置内の前記データベースへアクセスする情報連携コマンドを生成する情報連携コマンド生成手段と、
前記情報連携コマンドを前記数値制御データ格納装置に送信する情報連携コマンド送信手段と、
を備えることを特徴とする情報連携システム。 - 被加工物に対して加工を施す加工部、前記被加工物の加工の際に利用する数値制御データを記憶するデータメモリ、および前記データメモリ中のデータを用いて演算を行い、前記加工部を制御する制御部を有する数値制御装置と、前記数値制御装置で使用される数値制御データを含むデータをデータベースとして格納する数値制御データ格納装置と、がネットワークを介して接続される情報連携システムで、前記数値制御装置と前記数値制御データ格納装置との間で前記数値制御データの情報連携を行う情報連携プログラムであって、
前記数値制御装置に、
前記数値制御データを前記データメモリから収集する数値制御データ収集手順と、
前記数値制御データ格納装置に格納されている当該数値制御装置に対応するデータを、収集した前記数値制御データに一致させるように、前記数値制御データ格納装置内の前記データベースへアクセスする情報連携コマンドを生成する情報連携コマンド生成手順と、
前記情報連携コマンドを前記数値制御データ格納装置に送信する情報連携コマンド送信手順と、
を実行させることを特徴とする情報連携プログラム。 - 前記数値制御装置に、
前記数値制御データ格納装置の前記データベースから、当該数値制御装置の数値制御データを更新する更新用数値制御データを抽出する前記情報連携コマンドに対する応答を受信する情報連携コマンド受信手順と、
受信した前記応答に含まれる前記更新用数値制御データで、前記データメモリに記憶されている前記数値制御データの更新を行う数値制御データ更新手順と、
をさらに実行させることを特徴とする請求項8に記載の情報連携プログラム。 - 前記数値制御データ収集手順では、前記数値制御データを前記データメモリ中から収集するタイミングを規定した数値制御データ収集タイミング設定情報に基づいて前記数値制御データの収集を行い、
前記情報連携コマンド送信手順では、前記情報連携コマンドを送信するタイミングを規定した情報連携タイミング設定情報に基づいて前記数値制御データを前記数値制御データ格納装置に送信することを特徴とする請求項8に記載の情報連携プログラム。 - 前記数値制御装置に、前記数値制御データ収集手順の後で前記情報連携コマンド生成手順の前に、数値制御データ収集手順で取得した前記数値制御データを所定の条件にしたがって編集する数値制御データ編集手順をさらに実行させ、
前記情報連携コマンド送信手順では、前記編集された数値制御データを送信することを特徴とする請求項8に記載の情報連携プログラム。 - 前記数値制御装置に、前記情報連携コマンド受信手順の後で前記数値制御データ更新手順の前に、前記情報連携コマンド受信手順で受信した前記応答に含まれる前記更新用数値制御データを所定の条件にしたがって編集する更新用数値制御データ編集手順をさらに実行させ、
前記数値制御データ更新手順では、前記編集された更新用数値制御データで、前記データメモリに記憶されている前記数値制御データの更新を行うことを特徴とする請求項9に記載の情報連携プログラム。
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DE112013006836T5 (de) | 2015-11-26 |
CN105103067A (zh) | 2015-11-25 |
US20150370243A1 (en) | 2015-12-24 |
US10108179B2 (en) | 2018-10-23 |
CN105103067B (zh) | 2017-04-05 |
JP5512051B1 (ja) | 2014-06-04 |
KR101703466B1 (ko) | 2017-02-06 |
DE112013006836B4 (de) | 2019-04-11 |
KR20150134418A (ko) | 2015-12-01 |
JPWO2014167677A1 (ja) | 2017-02-16 |
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