WO2015107637A1 - 数値制御装置 - Google Patents

数値制御装置 Download PDF

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Publication number
WO2015107637A1
WO2015107637A1 PCT/JP2014/050595 JP2014050595W WO2015107637A1 WO 2015107637 A1 WO2015107637 A1 WO 2015107637A1 JP 2014050595 W JP2014050595 W JP 2014050595W WO 2015107637 A1 WO2015107637 A1 WO 2015107637A1
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WIPO (PCT)
Prior art keywords
program
machining
call source
sub
partial
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PCT/JP2014/050595
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English (en)
French (fr)
Japanese (ja)
Inventor
祐樹 若山
正一 嵯峨崎
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三菱電機株式会社
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.)
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Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to CN201480000887.2A priority Critical patent/CN104937510B/zh
Priority to DE112014000400.6T priority patent/DE112014000400B4/de
Priority to JP2014515731A priority patent/JP5579347B1/ja
Priority to PCT/JP2014/050595 priority patent/WO2015107637A1/ja
Publication of WO2015107637A1 publication Critical patent/WO2015107637A1/ja

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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
    • G05B19/4155—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 programme execution, i.e. part programme or machine function execution, e.g. selection of a programme

Definitions

  • the present invention relates to a numerical controller that controls a plurality of systems for each system.
  • Patent Document 1 a specified operation mode or system is acquired and a value of a system variable is set. Depending on the set value, a plurality of execution modes or processes of a plurality of systems differing in some processes. It is said that it is possible to execute a programmed machining program.
  • the present invention has been made in view of the above, and even when the same machining program is called from a different system as a subprogram or subsystem program, a numerical control device that can execute different operations depending on the system of the caller The purpose is to obtain.
  • the present invention provides a numerical control device that executes control of a multi-system machine including a plurality of systems that can operate independently, and has a plurality of partial programs.
  • a program storage unit for storing a program; and a program analysis unit for executing the partial program in parallel for each system, wherein the program analysis unit extracts a program call source system number variable in the partial program Then, based on the calling relationship between the partial programs, the number of the system of the partial program to be called is set in the program call source system number variable, and the part including the program call source system number variable A program is written to change the operation of the machine based on the value of the program caller system number variable. And said that you are.
  • the numerical control device of the present invention it is possible to check from which system the sub program or the sub system program is called, and change the operation of the machining program. Further, it is possible to combine the machining programs prepared for each system into one system, and it is possible to reduce the use capacity of the machining program.
  • FIG. 1 is a block diagram showing a configuration of a numerical control device (NC (Numerical Control) device) according to an embodiment of the present invention.
  • FIG. 2 is a diagram for explaining a program call source system number variable command used in the numerical controller according to the embodiment of the present invention.
  • FIG. 3 is a diagram showing an example of a machining program for explaining an example of use of the program call source system number variable command A in the numerical controller according to the embodiment of the present invention.
  • FIG. 4 is a flowchart showing an operation processing procedure when the machining program shown in FIG. 3 is executed.
  • FIG. 5 is a diagram showing a state of the machining operation by the machining program shown in FIG. FIG.
  • FIG. 6 is a diagram showing an example of a machining program for explaining an example of use of the program call source system number variable command B in the numerical control apparatus according to the embodiment of the present invention.
  • FIG. 7 is a flowchart showing an operation processing procedure when the machining program shown in FIG. 6 is executed.
  • FIG. 8 is a diagram showing a state of the machining operation by the machining program shown in FIG.
  • FIG. 9 is a diagram showing an example of a machining program for explaining an example of use of the program call source system number variable command C in the numerical control apparatus according to the embodiment of the present invention.
  • FIG. 10 is a flowchart showing an operation processing procedure when the machining program shown in FIG. 9 is executed.
  • FIG. 11 is a diagram showing a state of the machining operation by the machining program shown in FIG.
  • FIG. 12 is a diagram showing in which system the machining program of FIG. 9 is called.
  • FIG. 1 is a block diagram showing a configuration of an NC (Numerical Control) device (numerical control device) 1 according to an embodiment of the present invention.
  • the NC device 1 is a device that controls a multi-system machine including a plurality of systems that can be operated independently.
  • the NC device 1 includes a memory 2, a program analysis unit 3, an interpolation processing unit 4, a screen processing unit 5, a machine control signal processing unit 6, a PLC 7, an input control unit 8, and an axis data output unit 9.
  • the input control unit 8 is connected to the input operation unit 20.
  • the input control unit 8 detects a change in a switch signal or the like, editing of a machining program, a change in a parameter, or the like. Based on the detected contents, the input control unit 8 accesses each unit in the memory 2 and performs a process of rewriting or reading information stored in the memory 2.
  • the input operation unit 20 includes a mouse, a keyboard, and the like.
  • the memory 2 includes a machining program storage unit 10, a parameter storage unit 11, a screen display data storage unit 12, and a shared area 13.
  • the machining program storage unit 10 stores a machining program used for machining a workpiece (workpiece). In the machining program, the operation content of the machine and the movement path of the blade necessary for machining the workpiece are described in a format that can be read by the NC device 1.
  • the machining program storage unit 10 of the present embodiment stores a machining program for each system.
  • the parameter storage unit 11 stores parameters used for processing the workpiece.
  • the parameters stored in the parameter storage unit 11 include data for determining the specifications of the NC device 1, condition data necessary for machine control, and the like.
  • the screen display data storage unit 12 stores data to be displayed on the screen.
  • the screen display data storage unit 12 has various information such as information on the current position of the tool, information on the rotational position of the spindle, the control mode of the NC device 1, the output state of various selection signals, etc., designated by the operator at the input operation unit 20. Is stored.
  • the shared area 13 stores temporary data necessary for analyzing the machining program, temporary data necessary for system control during machine operation control, and the like.
  • the screen processing unit 5 is connected to the display unit 21.
  • the screen processing unit 5 reads data in the screen display data storage unit 12 and causes the display unit 21 to display data.
  • the display unit 21 is a display device such as a liquid crystal monitor that displays data instructed by the screen processing unit 5.
  • the program analysis unit 3 sequentially reads out the machining programs designated by the input operation unit 20 from the top among the machining programs stored in the machining program storage unit 10.
  • the program analysis unit 3 analyzes and executes the machining program according to the processing procedure specified for each NC command.
  • the program analysis unit 3 analyzes the machining program while temporarily storing the data being analyzed in the common area 13, and executes machining of the workpiece based on the analysis result.
  • the program analysis unit 3 according to the present embodiment analyzes a machining program for each system and executes processing in parallel for each system.
  • the machining program has a plurality of partial programs.
  • the partial program is a program that becomes a part of a machining program such as a main system program, a sub program, and a sub system program.
  • One of these partial programs has a relationship of reading the other. This read relationship may be a hierarchical relationship in which the main system program calls a sub system program and the sub system program calls another sub system program.
  • the subprogram corresponds to a subroutine for the partial program of the reading source, and is executed sequentially (serially) with the partial program of the reading source. Therefore, the subprogram and the read partial program are executed in the same process. That is, the subprogram and the read partial program are processed sequentially as the same system.
  • the sub system program is a partial program started as a new process by a read source partial program as a new process. Therefore, the sub system program and the read partial program are executed in parallel (in parallel) as separate processes. That is, the sub system program and the read partial program are processed in parallel as different systems.
  • the program analysis unit 3 includes a program call source system number analysis unit 14 and a main system / sub system number check unit 15.
  • the program call source system number analysis means 14 extracts a program call source system number variable in the called program by analyzing the machining program for each system, and analyzes the program call source system number variable.
  • the program call source system number analysis means 14 analyzes the call source system number of the sub program / sub system program using the main system / sub system number check means 15.
  • the main system / sub system number check means 15 reads the system number of the subprogram / call system of the sub program / sub system program based on the program call source system number variable command indicated by the program call source system number variable.
  • the program call source system number variable command is a command (data) in the machining program used when it is desired to perform different operations depending on the call source system in the subprogram / subsystem program.
  • the interpolation processing unit 4 performs an interpolation process such as a straight line or an arc on the relative movement amount obtained from the machining program for each axis (1st axis to nth axis (n is a natural number)).
  • the interpolation processing unit 4 sends the relative movement amount subjected to the interpolation processing to the axis data output unit 9 as output data.
  • the axis data output unit 9 inputs the interpolated relative movement amount to the spindle amplifier 18 and the servo amplifier 19 of each axis.
  • the main shaft amplifier 18 causes the main shaft motor 16 to perform processing by outputting to the main shaft motor 16 drive power corresponding to the interpolated relative movement amount.
  • the servo amplifier 19 causes the servo motor 17 to perform processing by outputting to the servo motor 17 drive power corresponding to the interpolated relative movement amount.
  • the machine control signal processing unit 6 that reads the information related to the control of the machine peripheral device output to the memory 2 by the program analysis unit 3 outputs the information read by the program analysis unit 3 to a PLC (Programmable Logic Controller) 7 to the ladder circuit. Give control information.
  • the machine control signal processing unit 6 writes a control signal input from the PLC 7 to each processing unit of the NC device 1 and an external signal input from the machine side in the shared area 13 in the memory 2. Accordingly, the machine control signal processing unit 6 causes the control signal and the external signal to act on the control of the NC device 1. As a result, the control to the NC device 1 and the machine proceeds correctly.
  • FIG. 2 is a diagram for explaining a program call source system number variable command.
  • program call source system number variable commands There are the following three types of program call source system number variable commands.
  • Program call source system number variable command A Command that sets the main system number of the call source of the subprogram / sub system program to the program call source system number variable. That is, when the partial program is called hierarchically, the system number of the partial program that is the first caller in the hierarchical call relationship is set in the program caller system number variable.
  • Program call source system number variable command B A command to set the call source system number of the sub system to the program call source system number variable. That is, the system number of the partial program that directly calls the partial program including the program call source system number variable is set in the program call source system number variable.
  • Program call source system number variable command C When the sub system is called from the main system and the sub system is called more than once, when the sub system is called several times, the call source system number is set in the calling order. Command to set in the system number variable. That is, when partial programs are called hierarchically, all the system numbers of the partial programs that are called hierarchically are set in the program call source system number variable in the order of calling.
  • the program call source system number variable command A is set to the main system number of the call source when commanded by the sub system as shown by # 3904 in FIG.
  • # 3904 1 is set when the main system of the call source is the system 1
  • 2 is set when the main system of the call source is the system 2.
  • # 3905 When the program call source system number variable command B is instructed by the sub system as in # 3905 of FIG. 2, the system number of the sub system call source is set. In # 3905, 4 is set when the caller sub-system is the system 4, and 5 is set when the call-source sub-system is the system 5. If the command is issued in a program called as a subprogram, the value of # 3905 is 0.
  • the program call source system number variable commands A to C have different values depending on the system of the call source. Therefore, by referring to the value acquired by the program call source system number variable command, the operation can be changed according to the system of the call source.
  • FIG. 3 is a diagram showing an example of a machining program for explaining an example of use of the program call source system number variable command A in the numerical controller according to the embodiment of the present invention.
  • FIG. 4 is a flowchart showing the operation processing procedure of the machining program 32 shown in FIG.
  • FIG. 5 is a diagram showing the state of the machining operation by the machining program shown in FIG. That is, FIG. 5 shows that the machining operation by the machining program 32 changes according to the main system number of the caller of the machining program 32 shown in FIG.
  • the machining program 32 is a machining program called as a sub system program, and the operation differs depending on the main system of the call source using the program call source system number variable command.
  • the machining program 32 When the machining program 32 is called, processing is performed in the order shown in the flowchart of FIG. As shown in FIG. 3, when the main system is the system 1, the machining program 32 is operated by the system 4 that is called from the system 1 as a sub-system, and is called from the system 3 as a sub-system. When the main system is the system 2, the machining program 32 is operated by the system 6 that is called from the system 2 as a sub system, the system 5 is called, and is further called from the system 5 as a sub system.
  • step S101 When the machining program 32 is called, the value of the program call source system number variable # 3904 is set in the variable # 100 in process P1 (step S101).
  • the main system is system 1
  • the main system of the call source is the system 2
  • the processes P5 to P8 are executed (step S103).
  • the processes P9 to P11 are executed (step S105).
  • step S106 After step S103 and step S105, process P12 indicating the N300 block is executed (step S106), and common operations such as tool retraction are performed in processes P13 and P14 (step S107).
  • step S107 and step S108 the process proceeds to step S109, the process P15 is executed, and the process ends.
  • the unique operation when the main system is the system 1 and the unique operation when the main system is the system 2 are described in the common program, and the operation is changed.
  • the unique operation is to select the tool with the tool number 1 in the process P6, and in the process P7, the workpiece diameter.
  • the position control command is issued so that becomes 4.0 mm.
  • the machining program 32 performs machining with a workpiece diameter of 4.0 mm when the machining program call source main system is the system 1, and the machining program 32 when the machining program call source main system is the system 2 Is processed to be 2.0 mm.
  • FIG. 6 is a diagram showing an example of a machining program for explaining an example of use of the program call source system number variable command B in the numerical control apparatus according to the embodiment of the present invention.
  • FIG. 7 is a flowchart showing an operation procedure of the machining program 35 shown in FIG.
  • FIG. 8 is a diagram showing a state of the machining operation by the machining program shown in FIG. That is, FIG. 8 shows that the operation of the system that calls the machining program 35 shown in FIG. 6 changes depending on whether the machining program 35 is called as a sub system program or a sub program.
  • the machining program 35 is a machining program called as a sub program or a sub system program from the main system, and the operation differs depending on whether the called system is the main system or the sub system.
  • process P16 When the machining program 35 is called, processing is performed in the order shown in the flowchart of FIG. In process P16, the value of program call source system number variable # 3905 is set in variable # 100 (step S201). When called from the main system as a sub system program, since 1 is set in # 3905, 1 of the system number of the call source is set in # 100. On the other hand, when called from the call source system as a subprogram, 0 is set to the program call source system number variable # 3905, and 0 is set to # 100.
  • step S202 Yes
  • step S207 and S208 are executed.
  • the machining program 35 operates as follows according to the value of # 100 as shown in FIG. As shown in FIG. 8A, when the calling source system calls the machining program as a sub-system program (when the value of # 100 is 1), the main spindle and the rear spindle are synchronized in process P18. The mode is turned on, the back spindle reverse rotation command is turned on in process P19, dwell 2 seconds for spindle synchronization completion is executed in process P20, and the back spindle chuck is closed in process P21. By the processes P18 to P21, the long workpiece is supported by the back spindle before cutting. By machining after supporting the long workpiece with the back spindle, it can be used as a program for machining the long workpiece, avoiding deflection and the like.
  • the processing P18 to 21 is not performed. It can be used as a machining program for short workpieces that does not require the workpiece to be supported by the back spindle.
  • Processes P23 and P24 are common operations. In process P23, the process moves to the machining position, and in process P24, a 15.0 mm groove is formed.
  • the operation can be changed depending on whether the machining program is called as a sub system program or a sub program. Can be shared.
  • FIG. 9 is a diagram showing an example of a machining program for explaining an example of use of the program call source system number variable command C in the numerical control apparatus according to the embodiment of the present invention.
  • FIG. 10 is a flowchart showing an operation procedure of the machining program 40 shown in FIG.
  • FIG. 11 is a diagram showing a state of the machining operation by the machining program shown in FIG. That is, FIG. 11 shows that the operation of the machining program 40 shown in FIG. 9 changes according to the calling order of the machining programs.
  • FIG. 12 is a diagram showing in which system the machining program of FIG. 9 is executed.
  • the machining program 37 first calls a machining program for performing outer diameter machining in the sub system (process P31), and then calls a machining program for performing inner diameter machining in the sub system (process P32).
  • the machining program 38 is a machining program for performing outer diameter machining.
  • the machining program 39 is a machining program for performing inner diameter machining.
  • the calling source system is the system 3
  • the machining program 38 executes the outer diameter machining of the main spindle
  • the machining program 39 executes the inner diameter machining of the main spindle.
  • the system number of the call source is the system 6
  • the machining program 38 executes the outer diameter machining of the back spindle
  • the machining program 39 executes the inner diameter machining of the back spindle.
  • the value of the program call source system number variable # 3905 is set to the variable # 100 (processing P33).
  • the system of calling the processing program 38 is the system 3
  • the value of # 100 is 3
  • Processing of the outer diameter machining of the spindle is executed.
  • Process P36 shows N100 block
  • the tool of tool number 1 is designated in process P37
  • the outer diameter machining of the main spindle is performed in process P39
  • N300 block is processed in process P40. Move processing to.
  • the outer spindle machining process (process) P41 to P44) are executed.
  • the process P41 indicates the N200 block
  • the tool No. 2 is selected in the process P42
  • the outer diameter machining of the back spindle is performed in the process P44.
  • Processes P45 and P46 are common processes.
  • Process P45 shows an N300 block. In process P46, the machining program 40 is called regardless of whether the system 3 or 6 is the source system of the machining program 38.
  • the value of the program call source system number variable # 3905 is set in the variable # 100 (processing P47).
  • # 100 becomes 3
  • the judgment condition # 100 3 of the process P48 becomes true, so the main spindle
  • the inner diameter machining process (processes P50 to P54) is executed.
  • Process P50 indicates the N100 block
  • the tool of tool number 3 is selected in process P51
  • the process moves to Z 10.0 in process P52
  • the inner diameter machining of the main spindle is performed in process P53
  • the process to N300 block is performed in process P54. To move.
  • Process P55 indicates an N200 block
  • the tool of tool number 4 is selected in process P56
  • inner diameter machining of the back spindle is performed in process P58.
  • Processes P59 and P60 are common processes.
  • Process P59 indicates an N300 block. In process P60, the machining program 40 is called regardless of whether the machining system 39 is called the system 3 or the system 6.
  • the machining program 40 is a machining program for preparing for workpiece machining in the next process.
  • the machining program 40 performs the following four operations according to the calling order of the system until the machining program 40 is called.
  • Calling order B In the case of system 1 (main system) ⁇ system 3 (sub system) ⁇ system 5 (sub system), as shown in FIG. Is moved to the cutting start position (process P71).
  • step S301 the cutting oil is first turned off in process P61 (step S301).
  • step S62 the program call source system number variable # 3906 is set in the variable # 100 (step S302).
  • 134 is set in # 3906. Therefore, 134 is set in # 100.
  • Process P67 shows the N100 block, the process moves to the main spindle inner diameter machining start position in process P68, and the process moves to the N500 block in process P69.
  • the process P70 shows an N200 block. In the process P71, the workpiece is changed to the gripping start position of the back spindle and the outer diameter machining is started, and the process moves to the N500 block in the process P72.
  • Process P73 shows an N300 block. In process P74, the process moves to the cutting start position for inner diameter machining on the back spindle, and in process P75, the process moves to the N500 block.
  • Process P76 shows an N400 block, the tool is retracted in process P77, and the workpiece processed by the loader is collected.
  • step S315 No
  • the common process P78- is performed after the steps S306, S310, S314, and S317 regardless of the calling order A to D. P83 (steps S318 to S323) is executed.
  • Process P78 indicates an N500 block.
  • process P79 step S319)
  • the cutting oil is turned on.
  • process P80 step S320
  • the number of times the machining program 40 is called is counted as a variable # 501. That is, # 501 is incremented by one. Since the machining program 40 is called four times in a series of machining for outer diameter machining and inner diameter machining for each of the main spindle and the back spindle, the counter value of the counter variable # 501 is incremented by four.
  • step S320 the process proceeds to step S321, and it is determined in process P81 whether the value obtained by dividing the counter variable # 501 by 4 does not exceed 100.
  • step S321: Yes the value obtained by dividing the counter variable # 501 by 4 does not exceed 100 in the determination condition of the process P81
  • step S321: No the value obtained by dividing the counter variable # 501 by 4 exceeds 100 in the determination condition of process P81
  • step S321: No that is, when the number of series of processing is 100 or more, the variable becomes false.
  • 1 is set in # 500 (step S322), and the process proceeds to step S323.
  • the determination condition # 500 1 in processing P27 of the processing program 36 becomes true, and the processing ends.
  • the machining program in FIG. 9 is executed in the four calling orders shown in FIG. As shown in FIG. 12, the machining program 38 and the machining program 39 are called from both the system 3 and the system 6. The machining program 40 is called from both the system 4 and the system 5.
  • the caller system number of the machining program 40 and the caller system number of the caller system are required.
  • the main system in the sub program or sub system program is provided. Accordingly, it is possible to execute a machining program in which some processes are different. Thereby, it is possible to share the partial programs constituting the machining program.
  • the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention in the implementation stage.
  • the above embodiments include inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent requirements. For example, even if some constituent requirements are deleted from all the constituent requirements shown in the embodiment, the problem described in the column of the problem to be solved by the invention can be solved, and is described in the column of the effect of the invention. When an effect is obtained, a configuration from which this configuration requirement is deleted can be extracted as an invention.
  • the constituent elements over different embodiments may be appropriately combined.
  • the numerical control device is useful when performing multi-system machining as complex machining.
  • another machining program is called as a subprogram to perform machining. It is suitable for machining by calling a machining program in another system as a sub system.

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PCT/JP2014/050595 2014-01-15 2014-01-15 数値制御装置 WO2015107637A1 (ja)

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Application Number Priority Date Filing Date Title
CN201480000887.2A CN104937510B (zh) 2014-01-15 2014-01-15 数控装置
DE112014000400.6T DE112014000400B4 (de) 2014-01-15 2014-01-15 Numerische Steuervorrichtung
JP2014515731A JP5579347B1 (ja) 2014-01-15 2014-01-15 数値制御装置
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JP6568152B2 (ja) 2017-06-30 2019-08-28 ファナック株式会社 数値制御装置

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CN104937510A (zh) 2015-09-23
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JP5579347B1 (ja) 2014-08-27
DE112014000400B4 (de) 2018-01-11
DE112014000400T5 (de) 2015-09-24

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