CN100468249C - Digital control system machining code general generation method and device - Google Patents
Digital control system machining code general generation method and device Download PDFInfo
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- CN100468249C CN100468249C CNB200710178482XA CN200710178482A CN100468249C CN 100468249 C CN100468249 C CN 100468249C CN B200710178482X A CNB200710178482X A CN B200710178482XA CN 200710178482 A CN200710178482 A CN 200710178482A CN 100468249 C CN100468249 C CN 100468249C
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Abstract
The invention provides a common generating method and a device for a numerical control system to process codes. The method comprises the following steps that: received cutter location files can be analyzed into orbit data; the selection of specific-model configurations made by users among machine configuration files can be received, wherein, the specific model-configurations include the output functions of the processing code forms about specific-model configurations; the output function can be used to convert orbit data into the processing codes satisfying the form of the processing codes. The invention can convert the cutter location files into processing codes which can meet the needs of numerical control machines in different models.
Description
Technical field
The present invention relates to the digital control processing field, in particular to the general generation method and the device of digital control system machining code.
Background technology
The numerically-controlled machine at initial stage can only be processed the part of some simple shape, and machining code is also simpler, generally is to be formed by user's hand-coding.For more complicated a little part, also can come out by means of establishments such as simple computational tool such as counters.Generally be according to drawing corresponding point coordinate data to be asked for out this moment, is written as dissimilar numerical control program codes according to different lathes again.
Along with the raising of part shape of product complexity,, only depend on and manually go the calculation level coordinate to become very difficult as processing mold and free form surface.At this moment people have used computer aided programming, i.e. CAM (Computer Aided Manufacturing, computer-aided manufacturing) software.Usually CAM software is exactly the process data that designs a model and import in conjunction with the user from CAD (Computer Aided Design, computer-aided design (CAD)), generates the cutter spacing data of track.The cutter spacing data of this moment can't directly be delivered on the lathe and process, and also need dissimilar according to numerical control device, and the cutter spacing data-switching is become corresponding machining code, and this process just is referred to as rearmounted the processing, and corresponding last process then is a pre-process.Cutter location file refers to a kind of file of storing cutter spacing data and supplemental characteristic, and specific form is arranged, by rearmounted system is explained.The cutter location file that can be converted to this form by the data of CAM output carries out postposition processing.
The ISO-1056-1975 standard logarithmic control program code (hereinafter to be referred as numerical control code or machining code) that ISO (International Standard Organization) is formulated part is wherein prepared the function of code function, subsidiary function code and has been made unified regulation, and it is resident to put a position motion, G01 linear interpolation, the interpolation of G02 clockwise arc, the interpolation of G03 counterclockwise arc, G04 fast as: G00.But also have a large amount of ' the not appointment codes ' of not making unified regulation, wherein not specified ' G ' code is formulated its code function as required voluntarily by digital control system producer.So just brought up the digital control system of multiple class, needed the machining code of different-format, the code between every kind of digital control system can not be compatible.The machining code that generates at the category-A numerically-controlled machine can not be put on the category-B numerically-controlled machine to be processed, and this has increased difficulty for establishment of numerical control program.If bought new lathe, just need be purchased and buy new postposition processing, only the special-purpose post processor of oneself exploitation to machine tool plant.
At present, company that some are big such as aviation enterprise use CATIA (Computer-AidedThree Dimentional Interaction Application, the area of computer aided three-dimensional interactive is used) system, and its CAM system does not have rearmounted the processing.Except minority was bought commercial rearmounted disposal system, they developed special-purpose post processor voluntarily.These special-purpose post processors generally are to adopt BASIC or C language compilation, just cutter location file are translated into the numerical control code of specific lathe form.If want to change the numerically-controlled machine processing parts of a different model, because need to change the form of machining code, so need be at the new new post processor of form exploitation.It is higher to do cost like this, and efficient is lower.
Summary of the invention
The present invention aims to provide a kind of general generation method and device of digital control system machining code, can solve the problem that need develop new post processor in the prior art at the different model numerically-controlled machine respectively.
In an embodiment of the present invention, provide a kind of general generation method of digital control system machining code, may further comprise the steps: the cutter location file that receives has been resolved to track data; The selection of specific model configuration during the multiple model that the reception user is comprised the lathe configuration file disposes, wherein, the specific model configuration comprises the output function about the machining code form of the numerically-controlled machine of specific model; And use output function track data to be converted to the machining code that satisfies the machining code form.
This method is owing to set up the lathe configuration file, the configuration of user by selecting specific model just can select to export the machining code of respective model lathe, therefore, by in the lathe configuration file, comprising the configuration of multiple lathe model, just cutter location file can be converted to the machining code that the numerically-controlled machine that satisfies different model requires.
In an embodiment of the present invention, also provide a kind of general generating apparatus of digital control system machining code, having comprised: parsing module, the cutter location file that is used for receiving resolves to track data; Receiver module is used for receiving the user the multiple model that the lathe configuration file is comprised is disposed the selection that specific model disposes, and wherein, the specific model configuration comprises the output function about the machining code form of the numerically-controlled machine of specific model; And modular converter, be used to use output function track data to be converted to the machining code that satisfies the machining code form.
This device is by comprising the configuration of multiple lathe model, just cutter location file can be converted to the machining code that the numerically-controlled machine that satisfies different model requires in the lathe configuration file.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the process flow diagram according to the general generation method of the embodiment of the invention;
Fig. 2 shows the block scheme according to the general generating apparatus of the embodiment of the invention.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Fig. 1 shows the process flow diagram according to the general generation method of the embodiment of the invention, may further comprise the steps:
Step S10 resolves to track data with the cutter location file that receives;
Step S20 receives the selection of user to specific model configuration in the lathe configuration file, and wherein, the specific model configuration comprises the output function about the machining code form of the numerically-controlled machine of specific model; And
Step S30 uses output function track data to be converted to the machining code that satisfies the machining code form.
This method is owing to set up the lathe configuration file, the configuration of user by selecting specific model just can select to export the machining code of respective model lathe, therefore, by in the lathe configuration file, comprising the configuration of multiple lathe model, just cutter location file can be converted to the machining code that the numerically-controlled machine that satisfies different model requires.
Step S10 specifically can comprise: load cutter location file; To the every capable content in the cutter location file, resolve according to key word wherein, therefrom extract data about cutter location; And in internal memory, rebuild track data according to the type of cutter location.
By this analyzing step, just the cutter location file with CAM output converts the trail file of being made up of multistage tracks such as straight path, arc track, drilling tracks to.
Output function can comprise the output function that is used for the track data of one type of cutter location is converted to the machining code that satisfies the machining code form, and the output function that is used to export complementary numerical control instruction.
One group of output function that satisfies the track data that can change various processing actions of specific model numerically-controlled machine machining code form is gathered together, just constituted a configuration, the configuration of a plurality of models has been combined just formed a lathe configuration file.On the user need the numerically-controlled machine in specific model, during processing parts, just only need in this lathe configuration file, select this specific model.
Define the output order of each instruction of machining code in the output function, also comprised the output of some technique informations.As different numerically-controlled machines, machining code of being accepted such as file header all are different, have defined corresponding configuration function like this in the configuration file, file header output format that therein can custom code.So, rearmounted system comes out the different place of code between different numerically-controlled machines is all abstract, makes control function, and its content is exactly the customization output at the code of this part.When the user changed this part configuration, the content of the code appropriate section of output had also just been changed.
Wherein, being used for the output function that track data with one type of cutter location converts the machining code that satisfies the machining code form to can comprise following at least a:
The fast moving linear function is used to change the track data of fast moving straight line, generates the machining code of fast moving;
Normally cut linear function, be used to change the track data of normal cutting straight line, generate the linear interpolation machining code of normal cutting;
The circular arc function is used to change the track data of circular arc, generates the machining code of circular interpolation;
The boring cyclical function is used for conversion boring round-robin track data, generates the machining code of numerical control fixed cycles.
In addition, when when processing a track and switch to another track, might need to switch cutter.Output function can also comprise: the cutter changing function, be used for switching according to the track data processing action, and with reference to the cutter database of the numerically-controlled machine of specific model, output command switches the machining code of suitable cutter.After having disposed the cutter changing function, just can handle the track data of switching cutter.
The output function that is used to export complementary numerical control instruction can also comprise: delay function, the delay instruction that is used for customizing and exporting machining code; Track begins function, is used to customize and export the numerical control instruction that need will export when a track begins; Track finishes function, is used to customize and export the numerical control instruction that need will export when a track finishes.
How specify output function below constructs.
The form of output function can comprise following one of at least:
General parameter, being used to limit need be by the parameter of user according to the selection of machining code form;
System variable is used for limiting the expression of the data based machining code form of track data coordinate data and manufacturability in machining code;
The instruction address format character is used to limit the output format of system variable according to the machining code form.
General parameter: referring to has code that different output can be arranged in rearmounted system, the parameter that need make a choice by the user, give an example: press absolute coordinates (G90) or relative coordinate (G91) output as coordinate data output in the code, it is exactly one, also have other to want to export the form control of row number and row number, want to add the selection of space or other separator etc. at dos command line DOS.
System variable: comprise in the track data that cutter moves the coordinate data of needs and other some manufacturability data.Rearmounted system purpose outputs to these data in the code file exactly, format these data, need identify them, and the user can quote it, can the form of its output be changed, and is output into the form of oneself wanting.Therefore, rearmounted system is built-in some variablees like this, the user can express corresponding data with these variablees in configuration file, uses address format to accord with and changes their output format of control.
The instruction address format character: a machining code is formed by a plurality of sections, section is formed (section refers to the delegation in the code) by a plurality of instructions, the address character of each instruction is different, the numeric format that it requires is also different, as row N39 among the Fanuc, N is its address, the 39th, and its numerical value, it just requires numerical value to be necessary for integer, can not the mixed decimal point.Also having X coordinate, its numerical value is exactly decimal, generally requires to remain to behind the radix point three.The requirement that has can be omitted radix point, and perhaps must there be several numerals the radix point back, not enough wants zero padding or the like, and these all are the attributes that instructs, and the attribute of these instructions is exactly the instruction address format character.Come the numerical value output format of canonical system variable with the instruction address format character.This also is a core of this postposition system.
Convert track data to machining code and will comprise two parts, one is foregoing general parameter, and another is the content of output function, wherein just is to use the instruction address format character system variable to be carried out the configuration of standard output.According to these settings, just can change track data, generate machining code.Concrete flow process is: obtain the data (refer to after being optimized, and carried out the data that security inspection is crossed) that will export here; Obtain this data corresponding instruction address character (having write down the instruction attributes of instruction output here); According to these property parameters these data are carried out conversion; The result of conversion is exactly the complete instruction character string that has address character and numerical value, the output result.
In addition, in an embodiment of the present invention, can also comprise: the little straight-line segment in the track data is optimized to big straight-line segment or circular arc according to predetermined accuracy.
In above-mentioned general generation method, can also comprise: check whether the processing action of track data exceeds the rated range of the numerically-controlled machine of specific model.
The rated range whether processing action of checking track data exceeds the numerically-controlled machine of specific model can comprise following one of at least: check whether the coordinate figure of each surpasses the maximum prescribed stroke of the numerically-controlled machine of specific model; For the numerically-controlled machine of not supporting circular arc, check whether track data comprises circular arc, if then circular arc is separated into straight line; For the numerically-controlled machine of only supporting the circular arc in XY, YZ and the ZX plane, check whether track data comprises the circular arc that does not belong in these three planes, if then circular arc is separated into straight line; Check whether the maximum central angle of circular arc in the track data surpasses the regulation of the numerically-controlled machine of specific model; According to the receptible circular arc definition mode of the numerically-controlled machine of specific model, output meets the circular arc instruction code of this circular arc definition mode.
In addition, output function also comprise following one of at least: the file header function, be used for requirement according to the machining code form, generate the file header of the processed file that machining code constitutes; The end-of-file function is used for the requirement according to the machining code form, generates the end-of-file of the processed file of machining code formation.Like this, at the requirement of different model numerically-controlled machine, just can obtain different file headers and end-of-file.With file header, end-of-file, and the combination of the machining code of above-mentioned generation, just constituted processed file, can drive numerically-controlled machine and process.
Fig. 2 shows the block scheme according to the general generating apparatus of the embodiment of the invention, comprising:
Parsing module 10, the cutter location file that is used for receiving resolves to track data;
Receiver module 20 is used for receiving the selection of user to the configuration of lathe configuration file specific model, and wherein, the specific model configuration comprises the output function about the machining code form of the numerically-controlled machine of specific model; And
Modular converter 30 is used to use output function track data to be converted to the machining code that satisfies the machining code form.
This device is by comprising the configuration of multiple lathe model, just cutter location file can be converted to the machining code that the numerically-controlled machine that satisfies different model requires in the lathe configuration file.
As can be seen from the above description, the above embodiments of the present invention have solved the interface problem between CAM software and the numerically-controlled machine.It not only can generate the numerical control code of variety classes numerically-controlled machine form, can also be customized by the user, realizes the output of special code form.
In addition, the embodiment of the invention can also provide patterned native language interface display, is convenient to the lathe configuration that the user selects specific model, and is easy to operate.
In addition, the embodiment of the invention provides the optimizational function to code, the functions such as safety examination of tool setting circuit-switched data.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the memory storage and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the general generation method of a digital control system machining code is characterized in that, may further comprise the steps:
The cutter location file that receives is resolved to track data;
The selection of specific model configuration during the multiple model that the reception user is comprised the lathe configuration file disposes, wherein, described specific model configuration comprises the output function about the machining code form of the numerically-controlled machine of specific model; And
Use described output function described track data to be converted to the machining code that satisfies described machining code form.
2. general generation method according to claim 1 is characterized in that, the cutter location file that receives is resolved to track data specifically comprise:
Load described cutter location file;
To the every capable content in the described cutter location file, resolve according to key word wherein, therefrom extract data about cutter location; And
Type according to described cutter location is rebuild track data in internal memory.
3. general generation method according to claim 2, it is characterized in that, described output function comprises the output function that is used for the track data of one type of cutter location is converted to the machining code that satisfies described machining code form, and the output function that is used to export complementary numerical control instruction.
4. general generation method according to claim 3 is characterized in that, the output function that the described track data that is used for one type of cutter location converts the machining code that satisfies described machining code form to comprises following at least a:
The fast moving linear function is used to change the track data of fast moving straight line, generates the machining code of fast moving;
Normally cut linear function, be used to change the track data of normal cutting straight line, generate the linear interpolation machining code of normal cutting;
The circular arc function is used to change the track data of circular arc, generates the machining code of circular interpolation;
The boring cyclical function is used for conversion boring round-robin track data, generates the machining code of numerical control fixed cycles.
5. general generation method according to claim 4 is characterized in that, the described output function that is used to export complementary numerical control instruction comprise following one of at least:
The cutter changing function is used for the switching according to described track data processing action, the cutter database of the numerically-controlled machine of the described specific model of reference, and output command switches the machining code of suitable cutter;
Delay function, the delay instruction that is used for customizing and exporting machining code;
Track begins function, is used to customize and export the numerical control instruction that need will export when a track begins;
Track finishes function, is used to customize and export the numerical control instruction that need will export when a track finishes.
6. general generation method according to claim 3 is characterized in that, the form of described output function comprises:
System variable is used for limiting the expression of the data based described machining code form of described track data coordinate data and manufacturability in described machining code.
7. general generation method according to claim 6 is characterized in that, the form of described output function also comprise following one of at least:
General parameter, being used to limit need be by the parameter of user according to described machining code form selection;
The instruction address format character is used to limit the output format of described system variable according to described machining code form.
8. general generation method according to claim 2 is characterized in that, also comprises:
According to predetermined accuracy the little straight-line segment in the described track data is converted to big straight-line segment or circular arc.
9. general generation method according to claim 2 is characterized in that, also comprises:
Check whether the processing action of described track data exceeds the rated range of the numerically-controlled machine of described specific model.
10. general generation method according to claim 9 is characterized in that, the rated range whether processing action of checking described track data exceeds the numerically-controlled machine of described specific model specifically comprise following one of at least:
Check whether the coordinate figure of each surpasses the maximum prescribed stroke of the numerically-controlled machine of described specific model;
For the numerically-controlled machine of not supporting circular arc, check whether described track data comprises circular arc, if then circular arc is separated into straight line;
For the numerically-controlled machine of only supporting the circular arc in XY, YZ and the ZX plane, check whether described track data comprises the circular arc that does not belong in these three planes, if then circular arc is separated into straight line;
Check whether the maximum central angle of circular arc in the described track data surpasses the regulation of the numerically-controlled machine of specific model;
Output meets the circular arc instruction code of the receptible circular arc definition mode of numerically-controlled machine of described specific model.
11. general generation method according to claim 1 is characterized in that, described output function comprise following one of at least:
The file header function is used for the requirement according to described machining code form, generates the file header of the processed file of described machining code formation;
The end-of-file function is used for the requirement according to described machining code form, generates the end-of-file of the processed file of described machining code formation.
12. the general generating apparatus of a digital control system machining code is characterized in that, comprising:
Parsing module, the cutter location file that is used for receiving resolves to track data;
Receiver module is used for receiving the user the multiple model that the lathe configuration file is comprised is disposed the selection that specific model disposes, and wherein, described specific model configuration comprises the output function about the machining code form of the numerically-controlled machine of specific model; And
Modular converter is used to use described output function described track data to be converted to the machining code that satisfies described machining code form.
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| CN101767218B (en) * | 2008-12-30 | 2012-05-09 | 沈阳黎明航空发动机(集团)有限责任公司 | Five-axis plunge milling method of aeroengine crankcase |
| CN102279587A (en) * | 2010-06-12 | 2011-12-14 | 沈阳鼓风机集团股份有限公司 | Two-dimensional digital control processing method for metal workpiece |
| CN102269982A (en) * | 2011-04-14 | 2011-12-07 | 昆山艾思迪机械科技有限公司 | Generation system of code for processing cutter |
| JP5507587B2 (en) * | 2012-01-11 | 2014-05-28 | ファナック株式会社 | Numerical control device having auxiliary command execution function |
| CN104793567B (en) * | 2014-01-16 | 2019-01-25 | 中国南方航空工业(集团)有限公司 | Nc program conversion method and device |
| CN103777571B (en) * | 2014-02-12 | 2016-08-17 | 北京数码大方科技股份有限公司 | Machining locus function for computer graphical generates method and apparatus |
| CN105242638A (en) * | 2015-10-28 | 2016-01-13 | 中国南方航空工业(集团)有限公司 | Blade five-axis machining programming processing method and device |
| CN106886197B (en) * | 2015-12-16 | 2020-08-18 | 成都与俱科技有限公司 | Method for controlling machine to implement machining, device and application thereof |
| CN106886195B (en) * | 2015-12-16 | 2020-08-18 | 成都与俱科技有限公司 | Machining control method, device and application thereof |
| WO2017217032A1 (en) * | 2016-06-17 | 2017-12-21 | 株式会社ミスミ | Design assistance system |
| CN108107839B (en) * | 2016-11-24 | 2020-10-23 | 郑州飞机装备有限责任公司 | Method for automatically converting numerical control program format |
| CN108334036A (en) * | 2018-01-31 | 2018-07-27 | 广州奇芯机器人技术有限公司 | A kind of graphic programming processing method and design method |
| CN110858125B (en) * | 2018-08-24 | 2021-07-02 | 华中科技大学 | Industrial data acquisition and storage method and system for numerical control system |
| CN113189937B (en) * | 2021-04-28 | 2023-03-24 | 成都永峰科技有限公司 | Integrated management method, system and application of tools of automatic production line of aviation parts |
| CN113569309B (en) * | 2021-07-20 | 2024-02-02 | 华中科技大学 | Method and system for generating double-channel mirror image processing program based on finite state machine |
| CN115774551B (en) * | 2023-02-10 | 2023-05-26 | 济南邦德激光股份有限公司 | G code generation method, cutting method, device and storage medium |
| CN117647953A (en) * | 2024-01-29 | 2024-03-05 | 陕西空天信息技术有限公司 | Tool path data conversion method and device and computer storage medium |
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