CN111767607A - Data transmission method for three-dimensional airplane assembly process file - Google Patents
Data transmission method for three-dimensional airplane assembly process file Download PDFInfo
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Abstract
The invention discloses a data transmission method of a three-dimensional airplane assembly process file, which is characterized in that the three-dimensional airplane assembly process file is converted into an intermediate file through drawing software, and the intermediate file comprises version information representing uniqueness of the file; and the intermediate file is transmitted to an MES (manufacturing execution system) through a CAPP (computer aided process) system for analysis, the information analyzed by the MES system is matched and restored into a three-dimensional aircraft assembly process file through a PDM (product data management) system, and the three-dimensional aircraft assembly process file is read and displayed through drawing software. The invention solves the problems of light weight distortion and blockage of the three-dimensional product model, and improves the on-site transmission efficiency and quality of the aircraft assembly process file.
Description
Technical Field
The invention belongs to the technical field of aircraft manufacturing, and particularly relates to a data transmission method for a three-dimensional aircraft assembly process file.
Background
With the development of information technology, the manufacturing paperless manufacturing based on the MES system is more and more applied to manufacturing enterprises. The paperless production and manufacturing process mainly transmits the process design files on the production site paperless, which is beneficial to the acquisition and analysis of production data, can greatly improve the working efficiency, reduce the cost and improve the management level of the production site.
In the field of aircraft manufacturing, particularly in terms of assembly process design, in order to better express the process design intention, the process design based on the three-dimensional product model is gradually applied to various aviation manufacturing enterprises. In this mode, the process design file includes not only two-dimensional text information, but also a three-dimensional product model, simulation data, and the like. The files of the type are transmitted to a production field through an MES system to realize paperless manufacturing and visualization, and a common mode is that a three-dimensional product model is lightened through commercial software such as 3DVIA Composer and the like and then transmitted to the production field through the MES system.
After the three-dimensional product model is light, the field developability of the process file is improved, but some problems are brought. On the one hand, the lightweight of the three-dimensional model causes a certain degree of "distortion" of the model, which affects the manufacturing accuracy of the product. On the other hand, even if the weight of the model is reduced, there are tens of thousands of parts or even more for aircraft manufacturing. Therefore, the visual operation is carried out in the production field, the phenomenon of 'blockage' still exists, and the production efficiency is seriously influenced.
Disclosure of Invention
The invention aims to provide a data transmission method of a three-dimensional airplane assembly process file, and aims to improve the field transmission efficiency and quality of the airplane assembly process file.
The invention is mainly realized by the following technical scheme: a data transmission method for a three-dimensional airplane assembly process file comprises the steps that the three-dimensional airplane assembly process file is converted into an intermediate file through drawing software, and the intermediate file comprises version information representing uniqueness of the file; and the intermediate file is transmitted to an MES (manufacturing execution system) through a CAPP (computer aided process) system for analysis, the information analyzed by the MES system is matched and restored into a three-dimensional aircraft assembly process file through a PDM (product data management) system, and the three-dimensional aircraft assembly process file is read and displayed through drawing software.
In order to better implement the invention, further, the intermediate file comprises a total assembly process file and a sub assembly file list, and the sub assembly file list comprises version information representing file uniqueness.
In order to better implement the present invention, further, the total assembly process file stores an assembly organization relationship of the sub-assembly files, and the sub-assembly file list further includes a model drawing number, a name, and a physical link address.
In order to better implement the present invention, the general assembly process file is a PPR file type and includes a child node process list and a child node product list, where the child node process list includes simulation data and simulation animations, and the child node product list includes model information of a product model, a tool model, and a process model.
In order to better implement the present invention, further, the sub assembly file list is separately stored in the form of an XML file.
In order to better implement the method, the assembly process file further comprises a three-dimensional product model, a tool model, a process model, simulation data and simulation animation.
In order to better implement the present invention, further, the drawing software is CAD software.
The method comprises the steps of collecting a three-dimensional product model, a tool model, a process model, simulation data and the like in an assembly process file into a process file, expressing the process file by using CAD software, converting the three-dimensional airplane assembly process file into a total assembly process file for storing assembly organization relations of sub-assemblies and a list formed by information such as model numbers and names of the sub-assemblies and physical link addresses used for downloading the model in a PDM, and adding version information capable of representing uniqueness of the sub-assemblies to form intermediate file information capable of accurately restoring an original text of the three-dimensional airplane assembly process file.
And then the intermediate file information is transmitted to an MES system through a CAPP system and a PDM system, the MES system analyzes the intermediate file, then a CAD soft foundation system capable of opening the three-dimensional aircraft assembly process file on site is started, the total assembly process file is restored in site CAD software, a corresponding model is automatically downloaded from the PDM system and loaded into the CAD software according to the obtained model physical link address and version information of the sub-assembly file, the restoration display of the three-dimensional aircraft assembly process file on the production site is realized, and the traditional mode of directly transmitting and displaying the three-dimensional aircraft assembly process file is replaced.
The invention has the beneficial effects that:
the invention solves the problems of light weight distortion and blockage of the three-dimensional product model, and improves the on-site transmission efficiency and quality of the aircraft assembly process file.
Drawings
FIG. 1 is a view of an assembly organizational relationship of a total assembly process file save;
FIG. 2 is a flow chart of the present invention.
Detailed Description
Example 1:
a data transmission method of a three-dimensional airplane assembly process file is disclosed, as shown in figure 2, the three-dimensional airplane assembly process file is converted into an intermediate file through drawing software, and the intermediate file comprises version information representing uniqueness of the file; and the intermediate file is transmitted to an MES (manufacturing execution system) through a CAPP (computer aided process) system for analysis, the information analyzed by the MES system is matched and restored into a three-dimensional aircraft assembly process file through a PDM (product data management) system, and the three-dimensional aircraft assembly process file is read and displayed through drawing software.
The method comprises the steps of transmitting intermediate file information to an MES system through a CAPP system and a PDM system, analyzing the intermediate file through the MES system, starting a CAD soft foundation system capable of opening a three-dimensional aircraft assembly process file on site, restoring a total assembly process file in site CAD software, automatically downloading a corresponding model from the PDM system according to the obtained model physical link address and version information of a sub-assembly file, and loading the corresponding model into the CAD software to realize the restoration display of the three-dimensional aircraft assembly process file on a production site, thereby replacing the traditional mode of directly transmitting and displaying the three-dimensional aircraft assembly process file. The invention solves the problems of light weight distortion and blockage of the three-dimensional product model, and improves the on-site transmission efficiency and quality of the aircraft assembly process file.
Example 2:
the embodiment is optimized on the basis of embodiment 1, wherein the intermediate file comprises a total assembly process file and a sub-assembly file list, and the sub-assembly file list comprises version information representing uniqueness of the file. The general assembly process file stores the assembly organization relationship of the sub-assembly files, and as shown in table 1, the sub-assembly file list further includes model drawing numbers, names, and physical link addresses.
Table 1 list of sub-assembly file listings
The method comprises the steps of collecting a three-dimensional product model, a tool model, a process model, simulation data and the like in an assembly process file into a process file, expressing the process file by using CAD software, converting the three-dimensional airplane assembly process file into a total assembly process file for storing assembly organization relations of sub-assemblies and a list formed by information such as model numbers and names of the sub-assemblies and physical link addresses used for downloading the model in a PDM, and adding version information capable of representing uniqueness of the sub-assemblies to form intermediate file information capable of accurately restoring an original text of the three-dimensional airplane assembly process file.
The method comprises the steps of transmitting intermediate file information to an MES system through a CAPP system and a PDM system, analyzing the intermediate file through the MES system, starting a CAD soft foundation system capable of opening a three-dimensional aircraft assembly process file on site, restoring a total assembly process file in site CAD software, automatically downloading a corresponding model from the PDM system according to the obtained model physical link address and version information of a sub-assembly file, and loading the corresponding model into the CAD software to realize the restoration display of the three-dimensional aircraft assembly process file on a production site, thereby replacing the traditional mode of directly transmitting and displaying the three-dimensional aircraft assembly process file.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
the present embodiment is optimized based on embodiment 2, where the total assembly process file is a PPR file type, and includes a child node process list and a child node product list, where the child node process list includes simulation data and simulation animation, and the child node product list includes model information of a product model, a tool model, and a process model. The sub-assembly file list is separately stored in an XML file form.
The method comprises the steps of transmitting intermediate file information to an MES system through a CAPP system and a PDM system, analyzing the intermediate file through the MES system, starting a CAD soft foundation system capable of opening a three-dimensional aircraft assembly process file on site, restoring a total assembly process file in site CAD software, automatically downloading a corresponding model from the PDM system according to the obtained model physical link address and version information of a sub-assembly file, and loading the corresponding model into the CAD software to realize the restoration display of the three-dimensional aircraft assembly process file on a production site, thereby replacing the traditional mode of directly transmitting and displaying the three-dimensional aircraft assembly process file.
The other parts of this embodiment are the same as those of embodiment 2, and thus are not described again.
Example 4:
a data transmission method of a three-dimensional airplane assembly process file is shown in figure 2 and mainly comprises the following steps:
(1) and manufacturing a three-dimensional airplane assembly process file containing a three-dimensional product model, a tooling model, a process model, simulation data and simulation animation by using CAD software. He typically contains files in assembly format, parts format, simulation format, defined by the CAD system. Taking the CATIA/DELIMIA software of Daxon corporation as an example, the suffix name of the file in assembly format is CATPRODUCT, the suffix name of the file in part format is CATPArt, and the suffix name of the file in simulation format is CATPROCES.
(2) And splitting the three-dimensional airplane assembly process file into a total assembly process file and a sub-assembly file list.
(3) The general assembly process file includes assembly organization relationships of all sub-assembly files, for example, a PPR file type established by CATIA/DELIMIA software, a sub-node ProcessList includes all simulation data and simulation animations, a sub-node ProductList includes all relevant model information such as a product model, a tooling model, a process model, and the like, and a PPR file type saving format is a CATProcess indicated in (1), that is, is saved together with a simulation format, as shown in fig. 1.
(4) The sub assembly file list includes information such as a model drawing number, a name, a physical link address used when the PDM downloads the model, and a unique version number that can represent each sub assembly file, as shown in table 1. This manifest is kept separately in the form of an XML file.
(5) And uniformly packaging the total assembly process file and the sub-assembly file list to form intermediate file information capable of accurately restoring the original text of the three-dimensional airplane assembly process file.
(6) The intermediate file is transmitted to a CAPP system and can be transmitted to an MES system through the examination and issuance of a PDM system.
(7) And acquiring and analyzing the intermediate file in the MES system, and respectively acquiring a total assembly process file which can be opened in CAD software and a sub-assembly file list for completely displaying assembly information.
(8) Starting a CAD software system capable of opening a three-dimensional airplane assembly process file on site, firstly loading a total assembly process file, taking CATIA/DELIMIA software as an example, wherein the format of the total assembly process file is CATProcesses, and loading the format file in software.
(9) After the loading is finished, the MES system analyzes the sub-assembly file list of the intermediate file to obtain the assembly drawing number, name, physical link address and version number of each sub-assembly file, and then calls the PDM system to download the three-dimensional model of the corresponding version according to the information.
(10) And (4) loading the downloaded model according to the assembly organization relation contained in the total assembly process file opened in the step (8), and finally realizing the reduction and display of the three-dimensional airplane assembly process file on the MES production field.
The method comprises the steps of collecting a three-dimensional product model, a tool model, a process model, simulation data and the like in an assembly process file into a process file, expressing the process file by using CAD software, converting the three-dimensional airplane assembly process file into a total assembly process file for storing assembly organization relations of sub-assemblies and a list formed by information such as model numbers and names of the sub-assemblies and physical link addresses used for downloading the model in a PDM, and adding version information capable of representing uniqueness of the sub-assemblies to form intermediate file information capable of accurately restoring an original text of the three-dimensional airplane assembly process file.
And then the intermediate file information is transmitted to an MES system through a CAPP system and a PDM system, the MES system analyzes the intermediate file, then a CAD soft foundation system capable of opening the three-dimensional aircraft assembly process file on site is started, the total assembly process file is restored in site CAD software, a corresponding model is automatically downloaded from the PDM system and loaded into the CAD software according to the obtained model physical link address and version information of the sub-assembly file, the restoration display of the three-dimensional aircraft assembly process file on the production site is realized, and the traditional mode of directly transmitting and displaying the three-dimensional aircraft assembly process file is replaced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (7)
1. The data transmission method of the three-dimensional airplane assembly process file is characterized in that the three-dimensional airplane assembly process file is converted into an intermediate file through drawing software, and the intermediate file comprises version information representing uniqueness of the file; and the intermediate file is transmitted to an MES (manufacturing execution system) through a CAPP (computer aided process) system for analysis, the information analyzed by the MES system is matched and restored into a three-dimensional aircraft assembly process file through a PDM (product data management) system, and the three-dimensional aircraft assembly process file is read and displayed through drawing software.
2. The data transmission method of the three-dimensional airplane assembly process file according to claim 1, wherein the intermediate file comprises a total assembly process file and a sub assembly file list, and the sub assembly file list comprises version information representing file uniqueness.
3. The data transmission method of the three-dimensional airplane assembly process file according to claim 2, wherein the general assembly process file stores assembly organization relations of sub-assembly files, and the sub-assembly file list further comprises model drawing numbers, names and physical link addresses.
4. The method as claimed in claim 3, wherein the general assembly process file is of a PPR file type and includes a child node ProcessList and a child node ProduceList, the child node ProcessList contains simulation data and simulation animations, and the child node ProduceList contains model information of a product model, a tool model and a process model.
5. The data transmission method for the three-dimensional airplane assembly process file according to claim 3, wherein the sub assembly file list is separately stored in an XML file form.
6. The data transmission method of the three-dimensional airplane assembly process file according to claim 1, wherein the assembly process file comprises a three-dimensional product model, a tool model, a process model, simulation data and simulation animation.
7. The data transmission method of the three-dimensional airplane assembly process file according to claim 1, wherein the drawing software is CAD software.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113806906A (en) * | 2021-08-03 | 2021-12-17 | 郑州大学 | Diamond roller three-dimensional visualization process design system and design method thereof |
| CN114491114A (en) * | 2022-01-19 | 2022-05-13 | 成都飞机工业（集团）有限责任公司 | Three-dimensional visual display method for light-weight wire harness conduction path |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113806906A (en) * | 2021-08-03 | 2021-12-17 | 郑州大学 | Diamond roller three-dimensional visualization process design system and design method thereof |
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| CN114491114A (en) * | 2022-01-19 | 2022-05-13 | 成都飞机工业（集团）有限责任公司 | Three-dimensional visual display method for light-weight wire harness conduction path |
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Application publication date: 20201013 |