WO2019234973A1 - Ｎｃプログラム変換処理方法及び加工処理システム - Google Patents

Ｎｃプログラム変換処理方法及び加工処理システム Download PDF

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Publication number
WO2019234973A1
WO2019234973A1 PCT/JP2019/004866 JP2019004866W WO2019234973A1 WO 2019234973 A1 WO2019234973 A1 WO 2019234973A1 JP 2019004866 W JP2019004866 W JP 2019004866W WO 2019234973 A1 WO2019234973 A1 WO 2019234973A1
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WIPO (PCT)
Prior art keywords
conversion
tool
program
information
destination
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Ceased
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PCT/JP2019/004866
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English (en)
French (fr)
Japanese (ja)
Inventor
英次 坂本
一平 河野
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Hitachi Ltd
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Hitachi Ltd
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Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to US17/056,794 priority Critical patent/US11340581B2/en
Priority to DE112019001539.7T priority patent/DE112019001539T5/de
Priority to CN201980023252.7A priority patent/CN111919182B/zh
Publication of WO2019234973A1 publication Critical patent/WO2019234973A1/ja
Anticipated expiration legal-status Critical
Priority to US17/749,365 priority patent/US11561527B2/en
Ceased legal-status Critical Current

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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—Program-control systems
    • G05B19/02—Program-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 program data in numerical form
    • G05B19/4093—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 program data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part program, for the NC machine
    • 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—Program-control systems
    • G05B19/02—Program-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 program data in numerical form
    • G05B19/408—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 program data in numerical form characterised by data handling or data format, e.g. reading, buffering or conversion of data
    • G05B19/4083—Adapting program, configuration
    • 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—Program-control systems
    • G05B19/02—Program-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 program 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 program data in numerical form characterised by monitoring or safety
    • 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—Program-control systems
    • G05B19/02—Program-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 program 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 program data in numerical form characterised by program execution, i.e. part program or machine function execution, e.g. selection of a program
    • 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
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31466—Display position of different workpieces, tools in system
    • 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
    • G05B2219/36242—Convert program for different machines with different M-code, G-code, header
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the present invention relates to a technique for converting an NC program for numerical control (NC).
  • a workpiece (hereinafter sometimes referred to as a workpiece) may be processed by inputting an NC program into an NC cutting machine.
  • Patent Document 1 cutting is performed before starting cutting of a workpiece for the purpose of equalizing cutting resistance in order to reduce wear or damage of an end mill attached to an NC cutting machine.
  • a technique for correcting the feed rate based on the cutting resistance applied to the end mill is disclosed. According to the technique of Patent Document 1, it is said that the case where the physical property of the workpiece is different from the nominal physical property or the variation in the characteristics of the cutting edge of the end mill can be dealt with.
  • an NC cutting machine (hereinafter, simply referred to as a machining machine)
  • an object to be obtained by machining by executing a CAM program Based on the CAD shape data, an NC program to be input to an NC controller that controls the NC cutting machine is generated.
  • the NC program may be tuned according to the NC cutting machine actually used for the NC program.
  • the present invention has been made in view of the above circumstances, and its purpose is to convert an NC program used in one processing machine into an NC program that can ensure appropriate machining accuracy in another processing machine. It is to provide a technology that can do this.
  • the NC program conversion method is used when the first machining process is executed by the conversion source NC program and the conversion source machine having a tool magazine and the first machining process are executed by the conversion source machine.
  • a conversion source environment including one or more tools a conversion source environment including a tool magazine, a conversion destination processing machine having a tool magazine, and one or more of the one or more used when the second processing is executed by the conversion destination processing machine Machining including a conversion destination environment including a conversion destination tool set including a tool, and a conversion system for converting the conversion source NC program into a conversion destination NC program used for executing the second processing.
  • An NC program conversion method by a conversion system in a processing system which receives input of information regarding (1) rigidity of a conversion destination processing machine or (2) rigidity of a tool included in a conversion destination tool set. With, based on the information about the received rigidity, it converts the conversion source for NC program to the destination for the NC program, the first conversion processing.
  • an NC program used in one processing machine can be converted into an NC program that can ensure appropriate processing accuracy in another processing machine.
  • FIG. 1 is an overall configuration diagram of a processing system according to an embodiment.
  • FIG. 2 is a configuration diagram of a conversion computer according to an embodiment.
  • FIG. 3 is a configuration diagram of a conversion input screen according to an embodiment.
  • FIG. 4 is a configuration diagram of a download confirmation screen according to an embodiment.
  • FIG. 1 is an overall configuration diagram of a processing system according to an embodiment.
  • the processing system 1 includes a conversion computer 10, a plurality of NC cutting machines 20 (an example of a processing machine), and a plurality of on-site computers 30.
  • a conversion computer 10, a plurality of NC cutting machines 20, and a plurality of on-site computers 30 are connected via a network 40.
  • the network 40 may be a wired network or a wireless network.
  • the NC cutting machine 20 and the on-site computer 30 are arranged at the location A and the location B, respectively, and the conversion computer 10 is arranged at the location C.
  • the conversion computer 10 may be arranged at either the location A or the location B.
  • a plurality of NC cutting machines 20 and a plurality of on-site computers 30 may be arranged at the same place.
  • the conversion computer 10 executes a process of converting an NC program (conversion source NC program) for a certain NC cutting machine 20 into an NC program (conversion destination NC program) for another NC cutting machine 20. . Details of the conversion computer 10 will be described later.
  • the on-site computer 30 is a computer operated by an on-site worker, and is configured by, for example, a PC (Personal Computer) including a processor, storage resources, and the like.
  • the site said here is a typical example in FIG. 1 where the NC cutting machine 20 is installed (for example, in a factory, a building, a floor, etc.).
  • the on-site computer 30 may be used outside the place where the NC cutting machine 20 is installed as long as it is used for displaying the screen of the conversion computer 10.
  • the on-site computer 30 is in charge of download processing and screen display of the converted NC program and screen display of the input screen for conversion, and the actual conversion processing is in charge of the conversion computer 10. It is described as an example. However, although the convenience is somewhat reduced, the roles of each computer (including some roles) can be exchanged or integrated with each other.
  • the conversion computer 10 may be composed of a plurality of computers. Therefore, in the following description, the term “conversion system” may be used.
  • the system includes one or more computers (the on-site computer 30 or the conversion computer 10), and is a system that performs processing that the conversion computer 10 and the on-site computer 30 described below are in charge of.
  • the NC cutting machine 20 is, for example, a machining center, and includes a main body unit 22 that executes processing, an NC controller 21 that controls the processing of the main body unit 22, and one or more tool sets used in the main body unit 22. And a tool magazine 25 as an example of a storage unit that can store the tool TL.
  • the tool magazine 25 has a plurality of slots (SL: 25a, 25b, 25c) each capable of accommodating one tool TL.
  • the NC controller 21 controls the processing of the main unit 22 and the tool replacement process according to the NC program stored therein.
  • the main body portion 22 includes a processing head portion 23, a stage 24, and a tool changing portion 26 as an example of an changing portion.
  • the processing head unit 23 includes a spindle that can be fitted with a tool TL and can be rotated.
  • the processing head unit 23 may be the main shaft itself.
  • the stage 24 is movable by placing a workpiece (workpiece) W to be processed.
  • the tool changer 26 removes the tool TL from the processing head 23 and stores it in an empty slot of the tool magazine 25.
  • the tool changer 26 takes out the tool TL from the slot of the tool magazine 25 and attaches it to the processing head unit 23.
  • An example of the tool changer 26 is a change arm (also called an ATC arm) of an automatic tool changer (ATC).
  • the tool magazine 25 described above is also a component of the automatic tool changer.
  • the NC program can describe a series of commands (in the NC program terminology, a code or a word obtained by adding parameters to the code) inside the NC magazine.
  • the slot number indicating the position of the slot (meaning postoperatively) is included.
  • the tool changer 26 takes out the tool TL from the slot specified by the slot number included in the parameter of the tool change command according to the instruction of the NC controller 21 that has read the tool change command, and attaches it to the processing head unit 23.
  • the number of tools TL that can be accommodated in the tool magazine 25 is limited, but one or more tool sets 50 are prepared in advance, and the tool magazine 25 is selected according to the processing to be executed. By exchanging the tool set accommodated in, various processing processes can be handled.
  • the tool TL includes a cutter part TLa such as an end mill, a drill, and a cutting tool for cutting the workpiece W, and a holder TLb for mounting the cutter part TLa to the processing head part 23.
  • a cutter part TLa such as an end mill, a drill, and a cutting tool for cutting the workpiece W
  • a holder TLb for mounting the cutter part TLa to the processing head part 23.
  • the holder TLb may not be included, and at least the blade portion TLa only needs to be included.
  • conversion source environment an existence including at least a processing machine that is planned to perform processing using the converted NC program (that is, the conversion destination NC program) and a tool set corresponding to the processing machine.
  • conversion destination environment an existence including at least a processing machine that is planned to perform processing using the converted NC program (that is, the conversion destination NC program) and a tool set corresponding to the processing machine.
  • conversion destination environment an existence including at least a processing machine that is planned to perform processing using the converted NC program (that is, the conversion destination NC program) and a tool set corresponding to the processing machine.
  • conversion destination environment physical or logical existence included in each location (for example, the temperature of the location, temperature sensor, humidity, humidity sensor, or a processing machine is installed at the location. Floors, buildings that make up the place).
  • the “tool set corresponding to the processing machine” includes a tool set that may be stored in the tool magazine and used in the future in addition to the tool set stored in the tool magazine of the processing machine.
  • the tool set corresponding to the processing machine is installed at the same place as the processing machine.
  • FIG. 2 is a configuration diagram of a conversion computer according to an embodiment.
  • the conversion computer 10 is, for example, a personal computer or a general purpose computer.
  • the conversion computer 10 includes a CPU 11 as an example of a processor, a network interface 12 (abbreviated as Net I / F in the figure), a user interface 13 (User I / F in the figure), a storage resource 14 as an example of a storage unit, and Includes an internal network connecting these components.
  • the CPU 11 can execute a program stored in the storage resource 14.
  • the storage resource 14 stores a program to be executed by the CPU 11, various information used by the program, an NC program used by the NC cutting machine 20, and the like.
  • the storage resource 14 may be, for example, a semiconductor memory, flash memory, HDD (Hard Disk Drive), SSD (Solid State Drive), etc., and may be a volatile type memory or a non-volatile type memory.
  • the network interface 12 is an interface for communicating with external devices (for example, the on-site computer 30, the NC controller 21 of the NC cutting machine 20, etc.) via the network 40.
  • external devices for example, the on-site computer 30, the NC controller 21 of the NC cutting machine 20, etc.
  • the user interface 13 is, for example, a touch panel, a display, a keyboard, a mouse, or the like, but may be another device as long as it can receive an operation from an operator (user) and display information.
  • the user interface 13 may be composed of these multiple devices.
  • the storage resource 14 stores processing machine configuration information 1421, tool set information 1422, individual tool information 1423, a conversion source NC program 1424, a conversion destination NC program 1425, and conversion history information 1426.
  • the storage resource 14 may store other information. Details of each data and program will be described from the next paragraph.
  • the processing machine configuration information 1421 is configured as, for example, a table that stores information regarding each NC cutting machine 20.
  • the processing machine configuration information 1421 includes the following information for each NC cutting machine 20.
  • A1 An identifier (processing machine ID) of the NC cutting machine 20.
  • As the processing machine ID the identifier of the NC controller 21 or the network address of the NC controller 21 may be used instead.
  • A2) Model number of NC cutting machine 20
  • A3) Installation location of the NC cutting machine 20 (A4) Use record of the NC cutting machine 20, for example, use time and the like.
  • A5 Temperature of a predetermined part of the NC cutting machine 20.
  • the predetermined part may be the main shaft of the NC cutting machine 20 or the stage 24.
  • the predetermined part may be the main shaft of the processing head unit 23 of the NC cutting machine 20 or the stage 24.
  • the shape of a predetermined part of the NC cutting machine 20 may be the length of the main shaft of the NC cutting machine 20 or the length of the stage 24.
  • This offset value is a value used for finely correcting the coordinates at the time of tool movement in the NC program, for example, a value used for correcting a situation such as the stage being slightly tilted due to deterioration over time. .
  • the NC controller 21 may be slightly different in the description format of the NC program depending on the manufacturer and model number, and is used to determine such a situation.
  • the information of (a1), (a2), (a4), (a5), (a8), (a9), and (a10) for example, from the NC controller 21 of the NC cutting machine 20
  • (a3), (a6), (a7), and (a11) are acquired from the input information by the operator.
  • the method of acquiring information is not limited to this, and at least a part of (a1), (a2), (a4), (a5), (a8), (a9), and (a10) is determined by the operator.
  • Information that can be acquired from the input information via the user interface 13 and information that can be acquired from the NC controller 21 in (a3), (a6), (a7), and (a11) You may make it acquire from NC controller 21.
  • the information acquired from the NC controller 21 may also be acquired from an alternative device (for example, another computer or the sensor itself).
  • the tool set information 1422 is information for managing a group (set) composed of one or more tools TL.
  • the tool set information 1422 is a set of tool set identification information (tool set ID), an identifier of one or more tools TL constituting the set, or a model number.
  • the individual tool information 1423 is information regarding each tool.
  • the individual tool information 1423 includes the following information.
  • the identifier of the tool TL (tool ID: for example, serial number).
  • the identifier of the tool TL may be the value when an individual ID is given to the blade part TLa or the holder TLb, and when it is not attached, the CPU 11 that executes the configuration information acquisition program 1412 is used. You may give automatically.
  • the model number of the blade part TLa is sufficient.
  • the blade part TLa when the blade part TLa is composed of a plurality of parts, all of the model numbers may be used, or some of the model numbers may be used.
  • B3 Material, shape, rigidity (Young's modulus, amount of deflection, etc.), usage history, temperature, etc. for the tool TL (for example, each of the blade part TLa and the holder TLb).
  • rigidity Young's modulus, amount of deflection, etc.
  • usage history temperature, etc.
  • temperature etc.
  • shape refers to the length and the length that the blade portion TLa protrudes from the holder TLb in addition to the three-dimensional shape and the cross-sectional shape shown in the drawing and CAD data.
  • the information of (b1) to (b4) is acquired from, for example, input information via the user interface 13 by the operator, but information that can be acquired from the NC controller 21 May be obtained from the NC controller 21.
  • the conversion source NC program 1424 is an NC program used for processing in the conversion source NC cutting machine 20 (referred to as the conversion source NC cutting machine 20).
  • the conversion source NC program 1424 is adapted to the characteristics and state of the conversion source NC cutting machine 20 in order to maintain the processing accuracy of the object obtained by the processing by the conversion source NC cutting machine 20 at a predetermined accuracy. May have been tuned.
  • the conversion destination NC program 1425 is an NC program obtained by converting the conversion source NC program 1424 so as to match the conversion destination NC cutting machine 20 (referred to as the conversion destination NC cutting machine 20). . If no conversion process is performed for any conversion source NC program 1424, the conversion destination NC program 1425 does not exist.
  • Conversion history information 1426 is information for managing the history of conversion processing when converting the conversion source NC program 1424 into the conversion destination NC program 1425.
  • the conversion history information 1426 is, for example, information in which identification information for identifying a conversion process is associated with various information (such as input information) used during the conversion process.
  • the storage resource 14 may store the following information.
  • Work W information This information is information such as shape data before processing of the workpiece W, material, rigidity, processing target shape data of the workpiece W, and the like.
  • the machining target shape data is data indicating a target shape when machining by the NC program. If the workpiece W can be machined into the target shape, it means that the error is zero.
  • Information on environment before conversion or conversion destination environment other than processing machine configuration information 1421, tool set information 1422, and individual tool information 1423 In order to clarify this information, it may be called “other pre-conversion environment information” or “other pre-conversion environment information”.
  • the conversion program 1411 executes the following processing by being executed by the CPU 11.
  • the conversion unit is configured by the CPU 11 executing the conversion program 1411.
  • the conversion program 1411 displays various information input to the conversion input screen 100 when the conversion start button 120 of the conversion input screen 100 (see FIG. 3) described later is pressed, the processing machine configuration information 1421, the tool set.
  • Information of the conversion destination environment that is reflected in the information 1422 and the individual tool information 1423 and included in the various types of information input to the conversion input screen 100, the processing machine configuration information 1421, the tool set information 1422, and the individual tool information 1423 Alternatively, based on the information of the conversion source environment, a conversion process for converting the conversion source NC program 1424 to be converted into the conversion destination NC program 1425 is executed, and the obtained conversion destination NC program 1425 is stored in the storage resource 14. Store.
  • the conversion program 1411 is used by the rigidity of the conversion destination NC cutting machine 20 or the conversion destination NC cutting machine 20.
  • Data obtained by changing or adding a command of the conversion source NC program 1424 based on information on the rigidity of the tool TL of the tool set 50 is referred to as a conversion destination NC program 25.
  • the command to be added or changed includes a tool radius correction, a tool length correction, a tool wear correction, a feed speed, or a cutting speed, and thus a significant machining operation such as an increase in the number of times the workpiece W is machined by the tool TL. You may avoid changing. However, an instruction that increases the number of times the workpiece W is machined (for example, an instruction corresponding to cutting) may be added.
  • the conversion program 1411 includes the NC controller 21 of the conversion source NC cutting machine 20 and the NC of the conversion destination NC cutting machine 20. If at least a part of the description format of the NC program differs from that of the controller 21, the NC controller 21 of the conversion-destination NC cutting machine 20 for the portion of the description of the conversion-source NC program that has a different description format. Convert to the description format for. Thereby, it is possible to perform the processing without any trouble in the NC controller 21 of the conversion destination NC cutting machine 20.
  • the conversion program 1411 includes, as comments in the conversion destination NC program 1425, the processing machine ID of the conversion destination NC cutting machine 20 and each tool TL of the tool set designated to be used by the conversion destination NC cutting machine 20. You may make it describe a model number (or identifier) and arrangement position information (slot number) of each tool TL. For example, “MC2: SL1: ML7x,...” May be described as a comment. Here, MC2 is the processing machine ID, SL1 is the slot number, and ML7x is the model number of the mill. By referring to this comment, the NC program for conversion destination 1425 can grasp which NC cutting machine 20 is targeted and what tool should be stored in which slot.
  • the use of each tool TL designated to be used and the arrangement position information of each tool TL may be described as comments. By adding such a comment, the data amount of the conversion destination NC program 1425 increases. However, since it can always be managed integrally with the conversion destination NC program, an unexpected NC cutting machine 20 or tool TL is mistakenly used. You can reduce the use. In the following description, the comment described in this paragraph may be referred to as “conversion destination device or tool comment”.
  • the conversion program 1411 stores the conversion processing ID (conversion history ID) as a comment in the conversion destination NC program 1425, and converts the conversion history ID and various information input to the conversion input screen 100. Is stored in the storage resource 14. By comparing the conversion history ID stored as a comment in the conversion destination NC program 1425 with the conversion history information 1426, various values considered at the time of conversion can be grasped, and the processing by the conversion destination NC program 1425 can be performed. The cause can be investigated when the accuracy is insufficient. In the following description, a comment such as this paragraph may be referred to as a “history comment”.
  • the conversion destination NC program 1425 converted for the first time is to be converted for another NC cutting machine 20 or tool set.
  • the “conversion destination device or tool comment” and the “history comment” may exist in the conversion destination NC program 1425 corresponding to the conversion multiplicity.
  • the conversion program 1411 displays a download confirmation screen 200 (see FIG. 4) to be described later, and when the download button 210 is pressed, the conversion destination NC program 1425 is converted into the conversion destination NC cutting machine 20. To the on-site computer 30 in the place where the NC controller 21 or the conversion destination NC cutting machine 20 is located.
  • the configuration information acquisition program 1412 is executed by the CPU 11 to execute the following processing.
  • a stiffness information receiving unit is configured.
  • the configuration information acquisition program 1412 acquires various information related to the NC cutting machine 20 from the NC controller 21. As information to be acquired, there are the above-described information (a1), (a2), (a4), (a5), (a8), (a9), and (a10).
  • the configuration information acquisition program 1412 displays the conversion input screen 100 on the user interface 13, and through the conversion input screen 100, various information from the worker (information on the NC cutting machine 20 acquired from the worker (( a3), (a6), (a7), and (a11)), and information on the tool set 50 (information of (b1) to (b4))).
  • the configuration information acquisition program 1412 displays an alert symbol ( "! Etc.). For example, the configuration information acquisition program 1412 presses the conversion start button 120 on the conversion input screen 100 so that the execution of the conversion process is not started when necessary information is not input or is not appropriate. You may display as an impossible state. In this way, when an error occurs during conversion, the execution of the conversion process can be appropriately suppressed.
  • the configuration information acquisition program 1412 is a selection input in the conversion destination environment based on information of the conversion source environment (that is, information on the conversion source NC cutting machine 20 and information on the tool set 50 of the conversion source NC cutting machine 20). A filtering process for setting an input value in the area to an appropriate value or narrowing selection candidates that can be selected by pull-down is executed. For example, the configuration information acquisition program 1412 narrows down only tool sets having the same number of tools as the tool set selected in the conversion source environment as tool set selection candidates at the conversion destination.
  • FIG. 3 is a configuration diagram of a conversion input screen according to an embodiment.
  • the conversion input screen 100 is composed of, for example, the following drawing areas, and each area includes a screen object for input or display.
  • Environment area 100B before conversion This area includes a screen object for inputting or displaying the pre-conversion environment.
  • Conversion environment area 100C This area includes a screen object for inputting or displaying the conversion destination environment.
  • Processing information area 100A This area includes screen objects for input or display related to information independent of the pre-conversion environment and the conversion destination environment.
  • the processing information area 100A includes the following.
  • region for display and input is used, and this indicates a screen object for display or a region including a screen object for input.
  • File name input area 101 for inputting the file name of the NC program to be converted (conversion source).
  • the pre-conversion environment area 100B includes the following.
  • a conversion source machine specifying area 102 for selecting and specifying the processing machine ID and configuration information of the conversion source NC cutting machine 20.
  • Conversion source machine information input area 103 for inputting various information related to the conversion source NC cutting machine 20.
  • a conversion source tool set designation area 104 for selecting and specifying a tool set used in the machining process according to the conversion source NC program in the conversion source NC cutting machine 20.
  • Conversion source tool information input areas 105, 106, 107 for inputting information on each tool included in the tool set.
  • the conversion destination environment area 100C includes the following.
  • a conversion destination machine designation area 110 for selecting and designating the machine ID and configuration information of the conversion destination NC cutting machine 20.
  • Conversion destination machine information input area 111 for inputting various information related to the conversion destination NC cutting machine 20.
  • a conversion destination tool set specifying area 112 for selecting and specifying a tool set to be used in processing according to the conversion destination NC program in the conversion destination NC cutting machine 20.
  • Conversion destination tool information input areas 113, 114, 115 for inputting information on each tool included in the tool set.
  • Conversion start button 120 for accepting the start of conversion processing from the conversion source NC program to the conversion destination NC program.
  • the file name input area 101 is regarded as a part of the environment before conversion together with the tool set TL in the conversion source environment, and may be included in the environment area 100B before processing, or may be collectively included in the processing information 100A.
  • the above-mentioned “work W information”, “other pre-conversion environment information”, and “other conversion destination environment information” inputs or display areas are not shown. However, by displaying these areas on this screen, information input may be accepted or information may be displayed.
  • the work W information may be included in the area 100A. It is preferable if the information on the workpiece W is small in change in each environment.
  • the shape data may be a screen object that designates the file name storing the shape data, as in the area 101 of FIG.
  • the conversion source machine information input area 103 information that needs to be input by the operator (input information required for the conversion source machine), for example, the information (a6), (a7), and (a11) described above is input. Or an area for displaying already acquired information and inputting correction information.
  • the conversion source tool information input areas 105, 106, and 107 information (conversion source tool request input information) that needs to be input by the operator, for example, the information of (b3) and (b4) described above, or the like has already been input.
  • This is an area for displaying acquired information and inputting correction information.
  • the conversion source tool information input area 105 is an input area corresponding to the TL1 tool in the conversion source tool set designation area 104
  • the conversion source tool information input area 106 is in the conversion source tool set designation area 104.
  • the conversion source tool information input area 107 is an input area corresponding to the TL3 tool in the conversion source tool set designation area 104.
  • the conversion destination machine information input area 111 is used to input information that needs to be input by the operator, for example, the information (a6), (a7), and (a11) described above, or information that has already been acquired. This is an area for displaying and inputting correction information.
  • the conversion destination tool information input areas 113, 114, and 115 information that needs to be input by the operator, for example, the information (b3) and (b4) described above, or information that has already been acquired is displayed. This is an area for inputting correction information.
  • the conversion destination tool information input area 113 is an input area corresponding to the tool of TL1 in the conversion destination tool set designation area 112, and the conversion destination tool information input area 114 is in the conversion destination tool set designation area 112.
  • the conversion destination tool information input area 115 is an input area corresponding to the TL3 tool in the conversion destination tool set designation area 112.
  • the positions in the conversion destination tool information input areas 113, 114, and 115 indicate the position information (slot number) of the tool magazine 25 where each tool is to be placed.
  • the slot number where each tool is placed is the conversion destination tool information. You may make it preset beforehand the same thing as the slot number by which the same or the same kind of tool of the input area 113,114,115 is arrange
  • selection candidates are displayed in the conversion source machine information input area 103, the conversion source tool set designation area 104, the conversion destination machine setting area 110, the conversion destination tool set designation area 112, and the like.
  • the pull-down button 130 is pressed, selection candidates in the corresponding area are displayed so as to be selectable.
  • An alert symbol 131 is displayed. According to the alert symbol 131, the operator can grasp that the information is insufficient or outdated, and can grasp that it is necessary to input necessary information or perform additional measurement. .
  • the user of this screen does not have to input text in the pre-conversion environment area 100B and the conversion destination environment area 100C every time conversion is performed.
  • the information stored in the storage resource 14 by the conversion computer 10 is stored in advance before the main screen is displayed, and the information stored in advance is displayed on the main screen, and the user interface 13 selects the information. May be.
  • the display on this screen may be omitted for some information related to the pre-conversion environment or the conversion destination environment.
  • the alert symbol 131 is displayed in the vicinity of the text displayed in the areas 102, 104, 110, and 112 (for example, next to the text), and information belonging to the processing machine or tool set is insufficient, It may indicate that it is old. Because of this suggestion, the user of this screen can confirm that the item selected before the start of conversion cannot be converted, or even if converted, the processing accuracy after conversion may be reduced. Is more preferable.
  • FIG. 4 is a configuration diagram of a download confirmation screen according to an embodiment.
  • the download confirmation screen 200 includes a conversion history ID display area 201 that displays a conversion history ID that identifies an executed conversion process, and conversion destination processing machine information that displays a processing machine ID and configuration information of the conversion destination NC cutting machine 20.
  • a conversion area tool set display area 203 for displaying a display area 202, a tool set ID of a tool set used in the conversion destination NC cutting machine 20, and a model number of a tool constituting the tool set, and a conversion destination NC cutting machine
  • the tool placement position display area 204 for displaying the placement position information (slot number) of each tool in the 20 tool magazines 25, and the NC program 2125 for the conversion destination, the NC controller 21 of the NC cutting machine 20 at the conversion destination location or the site
  • a download button 210 that accepts an instruction to cause the computer 30 to download.
  • the arrangement position information (slot number) of each tool in the tool magazine 25 of the conversion destination NC cutting machine 20 is displayed. It is possible to appropriately prevent the slot from being placed in the slot.
  • the NC program describes position information (slot number) of the tool magazine 25 containing the tool used in each process. Which tool is arranged in which slot in the tool magazine 25 can be arbitrarily determined in each NC cutting machine 20. For this reason, a tool for performing the same process between the conversion source NC cutting machine 20 and the conversion destination NC cutting machine 20 may be arranged in slots of different numbers in the tool magazine 25. .
  • the download confirmation screen 200 since the slot number of each tool in the tool magazine 25 of the conversion destination NC cutting machine 20 is displayed, the tool TL to be used is placed in the wrong slot. It is possible to prompt the operator to check whether the tool TL has been arranged, and the situation where the tool TL is arranged in the wrong slot can be reduced.
  • a download screen such as this screen may be integrated with the screen of FIG. 3 described above.
  • the download screen shown in FIG. 4 can be provided separately from the conversion start button screen of FIG. This is because, after starting the conversion process, the user of the screen can close the screen and perform another work.
  • the other advantages of dividing the screen are as described in this embodiment.
  • the configuration information acquisition program 1412 (strictly speaking, the CPU 11 that executes the configuration information acquisition program 1412) can be acquired from the NC controller 21 of each NC cutting machine 20 connected via the network 40.
  • Various information for example, (a1), (a2), (a4), (a5), (a8), (a9), and (a10)) regarding the NC cutting machine 20 is acquired. This process need not be performed every time the process 2 and subsequent processes described below are performed.
  • the configuration information acquisition program 1412 displays the conversion input screen 100 (see FIG. 3) and accepts the following designation via the conversion input screen 100.
  • Specification of information (machining machine ID) for specifying the NC cutting machine 20 (conversion source NC cutting machine) that has been processing the workpiece W by the conversion source NC program 1424.
  • Designation of information (tool set ID) for identifying the tool set used in the machining process by the conversion source NC program 1424.
  • the configuration information acquisition program 1412 includes various information ((a3), (a6), (a7), and (a11)) regarding the conversion source NC cutting machine 20 and the conversion destination NC cutting machine 20, and the conversion source.
  • Input direct input or selection input
  • information information (b1) to (b4)) related to the tool set 50 used in the NC cutting machine 20 and the tool set 50 used in the conversion destination NC cutting machine 20 Accept.
  • the configuration information acquisition program 1412 transmits a conversion start instruction to the conversion program 1411.
  • the conversion start instruction includes various types of information input (direct input or selection input) on the conversion input screen 100.
  • the conversion program 1411 Upon receiving the conversion start instruction, the conversion program 1411 reads the designated conversion source NC program 1424 and includes information (at least the conversion destination NC cutting machine 20 or the conversion destination NC included in the conversion start instruction). The conversion source NC program 1424 is converted into the conversion destination NC program 1425 based on the information on the rigidity of the tool set used in the cutting machine 20, and the converted conversion destination NC program 1425 is stored in the storage resource 14. Store.
  • the conversion program 1411 displays a download confirmation screen 200 (see FIG. 4).
  • the download confirmation screen 200 may be displayed according to the operation of the user of the on-site computer 30 to the computer as an alternative to automatically displaying after the completion of the process 4.
  • the conversion program 1411 converts the conversion destination NC program 1425 into the NC controller 21 of the conversion destination NC cutting machine 20 or the site where the conversion destination NC cutting machine 20 is located. To the computer 30.
  • the conversion destination NC program 1425 received by the NC controller 21 is stored, and this conversion destination NC program is used in the subsequent processing. 1425 can be executed.
  • the conversion destination NC program 1425 is transmitted to the on-site computer 30, the on-site computer 30 stores the conversion destination NC program 1425. Thereafter, the conversion destination NC program 1425 of the on-site computer 30 is stored in the NC controller 21 via the network 40 or via a recording medium or the like, whereby the conversion destination NC program 1425 is stored in the NC controller 21. Can be executed.
  • the conversion source NC program tuned for the conversion source NC cutting machine 20 is converted into the conversion destination NC program in consideration of at least information on the rigidity of the conversion destination NC cutting machine 20. Therefore, it is possible to improve the processing accuracy in the processing in the conversion destination NC cutting machine 20.
  • this invention is not limited to the above-mentioned embodiment, In the range which does not deviate from the meaning of this invention, it can change suitably and can implement. Further, the processes described below may be used in combination.
  • Candidates for conversion NC cutting machine candidates for setting or selecting conversion destination machine designation area 110.
  • a candidate NC cutting machine set as a conversion destination NC cutting machine or narrowed down as a selection candidate other NC cutting machines 20 including all functions of the conversion source NC cutting machine 20 are included. It is good.
  • the candidate NC cutting machine may be a machining center.
  • the candidate NC cutting machine may be a five-axis machining center.
  • an NC cutting machine capable of executing all the processing steps described in the conversion source NC program 1424 It is good.
  • the candidate NC cutting machine may be a three-axis machining center.
  • NC cutting machine 20 that can be loaded with a smaller number of tools than the number of tools used in the conversion source NC program 1424 may be excluded from the candidate NC cutting machines.
  • the conversion destination tool set candidate may be a tool set having the same number of tools as the number of tools in the conversion source tool set. In terms of machining accuracy, it may be preferable to use the same number of tools as that of the conversion source tool set as candidates. For example, when conversion is performed in the number and order of processes such as roughing process, intermediate processing process, and finishing process with three tools at the conversion source, the number of processes such as roughing process and finishing process with two tools and This is because it is difficult to obtain the same processing accuracy as that of the conversion source even if the order is performed. In addition, such a use is memorize
  • a tool set including the same type of tool as each tool of the conversion source tool set may be used as a conversion destination tool set candidate.
  • the same type may be used for the same purpose.
  • a tool set including a tool for which necessary information has not been acquired in advance may be excluded from candidates for the conversion destination tool set.
  • the program is included in the tool set of the selected conversion destination environment and the correspondence between the usage of the tool TL included in the tool set of the selected conversion source environment and the slot number (referred to as correspondence 1), and the tool set of the selected conversion destination environment.
  • the tool 1 of the tool TL to be converted (conversion tool usage) is read out, the correspondence 1 having the same usage as the conversion destination tool usage is searched, and the slot number of the correspondence 1 is set as the slot number of the conversion destination tool set.
  • the conversion program 1411 performs the conversion process after determining which tool TL is allowed for which slot number in the conversion destination environment.
  • it is desired to dynamically determine a slot for storing each tool after the conversion process For example, since the conversion process may take a long time (for example, one day), it is desired to start conversion immediately.
  • the slot number and tool TL are used at the start of conversion. This is a case where the relationship with cannot be determined.
  • the slot number of each tool entered or selected on the screen of FIG. 3 is regarded as a temporary slot number and is converted by the conversion program 1411. Thereafter, the temporary slot number is converted into an actual slot number (temporary). (Referred to as slot number conversion processing).
  • a program that performs temporary slot conversion processing may be referred to as a temporary slot conversion program.
  • the temporary slot number conversion process may be performed immediately before the download button 210 is pressed on the download screen in FIG. 4 to start the download, or may be executed by the on-site computer 30 as a separate program after the download.
  • the temporary slot number and the conversion information (slot number conversion information) into the actual slot number is before execution of the temporary slot number conversion process.
  • the data is stored in the conversion computer 10 or the on-site computer 30 by operator input.
  • the temporary slot number is preferably a number, but may be another identifier.
  • the introduction of the temporary slot number conversion processing can be targeted for the execution timing of high-load or long-time processing by the conversion program 1411 even before deciding which tool TL is stored in each slot. It can be said that the computer resources of the computer 10 can be effectively used.
  • the temporary slot number assigned to the tool TL in the tool set selected as the conversion destination environment may be determined as follows before the conversion processing by the conversion program 1411 is started. In any case, the relationship between the determined tool TL and the temporary slot number is stored in the individual tool information and referred to during the slot number conversion process. * The order of tools TL in the selected tool set. The arrangement order may be a display order, a data storage order, or an order based on processes, but may be other. * It is given by the aforementioned “slot number conversion process based on the usage information of the tool TL”.
  • the slot number conversion information can be input simply by inputting the relationship between the temporary slot number and the actual slot number to the computer, but is difficult to input in a situation where the tool TL to which the temporary slot number is targeted is unknown. . Therefore, on the conversion information input screen, information on the tool TL to which the temporary slot number has been assigned may be displayed together on the conversion information input screen.
  • the conversion input screen 100 and the download confirmation screen 200 are displayed on the user interface 13 of the conversion computer 10 and the input is received.
  • the present invention is not limited thereto. Instead, the conversion input screen 100 and the download confirmation screen 200 may be displayed on any of the on-site computers 30 to accept the input.
  • the place where the NC cutting machine 20 to be converted is located May be displayed on the on-site computer 30 to accept input.
  • a part of the conversion input screen 100 is displayed on the on-site computer 30 where the conversion source NC cutting machine 20 is located so as to accept the input, and the remaining part of the conversion input screen 100 is converted. You may make it display on the computer 30 for the place where the previous NC cutting machine 20 exists, and may receive an input.
  • Step A1 A physical phenomenon during machining is simulated using the information of the conversion destination environment and the workpiece W information, and the shape of the workpiece W is predicted. Note that information of the conversion source environment may be used in the simulation. The simulation may be performed by a program other than the conversion program 1411.
  • Step A2 Error calculation based on a comparison between the predicted shape of the workpiece W and the target shape of the workpiece W.
  • Step A3 Addition or change to the conversion source NC program 1424 for the description to eliminate the error (the above-mentioned tool radius correction, tool length correction, tool wear correction, feed speed, cutting speed, etc.) Stored as a program 1425.
  • Step B1 The information of the conversion destination environment, the work W information, the information of the conversion source environment, and the target shape of the work W are input to the artificial intelligence program, and the error is acquired. It should be noted that the machining shape after the machining of the work W and the target shape may be input together with information of the transformation source environment in advance, using the transformation source NC program in the transformation source environment as education data of the artificial intelligence program.
  • the machining shape after machining the workpiece W by the NC program other than the NC program for the conversion destination in the conversion destination environment and the target shape may be input in advance together with the information on the conversion destination environment.
  • the artificial intelligence program may be executed by a program other than the conversion program 1411. * (Step B2) Addition or change to the conversion source NC program 1424 for the description to eliminate the error (the above-mentioned tool radius correction, tool length correction, tool wear correction, feed speed, cutting speed, etc.) Stored as a program 1425.
  • FIGS. 3 and 4 may be divided as follows.
  • a part of the description with the screen as a subject is partly achieved, but in actuality, it is achieved by executing a program executed by each field computer by the CPU.
  • the work computer in the conversion destination environment displays the area 100C in FIG. This is because the information to be input in these areas is relatively obtained in the conversion destination environment, so it is efficient to have the operator in the conversion destination environment perform input.
  • the screen of the work computer in the conversion destination environment includes an area for designating the library name. In this way, it is possible to appropriately specify the input in the conversion source environment and specify information necessary for the conversion process by the conversion program 1411.
  • the information of the conversion source environment is unknown only by the library name, and it is difficult to input an appropriate conversion destination environment. Therefore, on the screen of the work computer in the conversion destination environment, input information corresponding to the library name may be displayed after the library name is designated.
  • the worker in the conversion source environment can create the conversion destination NC program 1425 that can be executed in a plurality of conversion destination environments, regardless of one input operation.
  • a library name before the conversion over time may be specified, and the environment after the change over time may be input as the conversion destination environment.
  • the program in the above embodiment may be installed from a program source.
  • the program source may be a program distribution server or a non-volatile storage medium (for example, a portable storage medium).
  • the NC program before conversion may be an NC program immediately after being generated from the target shape data by the CAM program and before cutting by the processing machine.
  • the tool set in this case may be input with tool data when the NC program is generated by the CAM program.
  • a machining center has been mainly described as an example of a processing machine, but other processing machines may be used as long as NC control is possible.
  • a part of data transmission / reception between the on-site computer and the conversion computer has been omitted, but it goes without saying that data transmission / reception is performed between the on-site computer and the conversion computer.
  • the conversion program 1411 when executed by the conversion computer, and the user interface display or the information display or information input by the operation is performed by the field computer, one of the processes that the configuration information acquisition program takes charge of the field computer.
  • the program responsible for the department is executed by the on-site computer. Then, the program responsible for the part transmits the input information to the conversion computer, or the program responsible for the part receives the display information transmitted from the conversion computer, and displays the user interface. .

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  • Numerical Control (AREA)
PCT/JP2019/004866 2018-06-04 2019-02-12 Ｎｃプログラム変換処理方法及び加工処理システム Ceased WO2019234973A1 (ja)

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US17/056,794 US11340581B2 (en) 2018-06-04 2019-02-12 NC program conversion process method and processing treatment system
DE112019001539.7T DE112019001539T5 (de) 2018-06-04 2019-02-12 Nc-programmkonvertierungsverfahren und bearbeitungssystem
CN201980023252.7A CN111919182B (zh) 2018-06-04 2019-02-12 Nc程序变换处理方法以及加工处理系统
US17/749,365 US11561527B2 (en) 2018-06-04 2022-05-20 NC program conversion process method and processing treatment system

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US20210311456A1 (en) 2021-10-07
US11561527B2 (en) 2023-01-24
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US20220276631A1 (en) 2022-09-01
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