CN106600205B - Method for ensuring data consistency in production process of aerospace product - Google Patents
Method for ensuring data consistency in production process of aerospace product Download PDFInfo
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- CN106600205B CN106600205B CN201610927291.8A CN201610927291A CN106600205B CN 106600205 B CN106600205 B CN 106600205B CN 201610927291 A CN201610927291 A CN 201610927291A CN 106600205 B CN106600205 B CN 106600205B
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Abstract
The invention discloses a method for ensuring the data consistency in the production process of a space product, which comprises the following steps: firstly, a unique real object identifier is given to each part by utilizing a laser identification technology; secondly, checking the technical state consistency of various files and process tasks, and ensuring the consistency of process data; thirdly, the consistency of batch information is ensured through batch code verification; fourthly, the consistency of the process record and the product is ensured by utilizing the batch or individual code identification of the process record of each link in the production process; fifthly, reading and checking the real object identification of the assembly part to be assembled to ensure the consistency of the information of the assembled complete set; sixthly, clearly recording the version history of the product to provide a basis for data consistency; and seventhly, establishing a data association change model when the technical state is changed, and ensuring the data consistency in the product state change process.
Description
Technical Field
The invention relates to a method for ensuring the data consistency of a production process of a space product, which has the characteristics of systematicness and practicability, can ensure the data consistency of the whole period of the production process, and supports the refined production management of the space product.
Background
The development and production of aerospace products have the characteristics of long period and multi-batch and multi-model collinear production, the consistency of product data is difficult to guarantee, and the method is mainly embodied in two aspects: firstly, because the production period is long, the interval between the final generation of a data packet and the production of the previous parts of the aerospace product is long, and design files, process files and the like used in the production process of the parts can be changed or version upgraded in the time period; secondly, due to the fact that multiple batches and multiple models are produced in a collinear mode, matching of parts, technical files and process files is easy to be confused.
In the aspect of ensuring the data consistency in the production process of products, research is mainly carried out at home and abroad aiming at one link in the production process, and a method for ensuring the data consistency in the whole production process, particularly in the aspect of ensuring the data consistency in the production process of aerospace products, is not systematically provided. In order to solve the problem, a method for ensuring the consistency of data in the production process of aerospace products needs to be developed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a method for ensuring the data consistency in the production process of a space product, so as to solve the problem of ensuring the data consistency in all links in the whole process related to the production of the space product.
The technical solution for realizing the purpose of the invention is as follows: a method for guaranteeing the consistency of data in the production process of aerospace products comprises the following steps: firstly, a unique real object identifier is given to each part by utilizing a laser identification technology; secondly, checking the technical state consistency of various files and process tasks, and ensuring the consistency of process data; thirdly, the consistency of batch information is ensured through batch code verification; fourthly, the consistency of the process record and the product is ensured by utilizing the batch or individual code identification of the process record of each link in the production process; fifthly, reading and checking the real object identification of the assembly part to be assembled to ensure the consistency of the information of the assembled complete set; sixthly, clearly recording the version history of the product to provide a basis for data consistency; and seventhly, establishing a data association change model when the technical state is changed, and ensuring the data consistency in the product state change process.
Compared with the prior art, the invention has the following remarkable advantages: 1. by adopting the method provided by the invention, the data consistency can be ensured from each link in the whole process related to the production of the aerospace product, and the method has the advantage of systematicness; 2. the invention combines the production process of aerospace products, starts from actual requirements and has the advantage of practicability; 3. the method provided by the invention is simple, is convenient to implement and popularize, and has good popularization and application prospects.
Drawings
FIG. 1 is a schematic diagram of the process data consistency assurance method of the invention for the production process of aerospace products;
FIG. 2 is a schematic diagram of the method for guaranteeing the consistency of the batch data in the process of manufacturing the aerospace products according to the present invention;
FIG. 3 is a schematic diagram of the data consistency assurance of the assembled complete set of the method for data consistency assurance in the production process of aerospace products according to the present invention.
Detailed Description
The present invention is described in further detail below.
With reference to fig. 1 to 3, a method for ensuring data consistency in a production process of a space product according to an embodiment of the present invention includes the following steps:
firstly, in the aerospace product structural member production process, a laser identification technology is utilized to carry out two-dimensional code laser marking on parts according to a certain coding rule, and a unique object identification is given to each part;
secondly, in the production process, the sequence code or batch code of the real object identifier is searched through scanning the real object identifier, the directly associated technical files are traversed, the technical state consistency of various files and the process task is checked according to the data association and the technical state identifier in the data, and the validity of the process data is ensured.
Thirdly, in the production process of the parts and before the production of the working procedures, the system compares the corresponding batch codes through the identification and the reading of the product object identification, and checks whether the product object identification is the same batch, thereby preventing the mixed batch.
Fourthly, in the production process, the process records such as production plans, processing records, inspection records, quality documents and the like are provided with batch or individual coded identifiers, so that the corresponding consistency of the process records and products is ensured.
Fifthly, in the process of assembling the product or the component, according to the assembly plan and the corresponding MBOM, a lower-level part receiving list required by the batch is generated, the physical identification of the assembly parts to be assembled is read, the corresponding batch codes are obtained, whether the batch codes are matched with the batch of the product to be assembled is verified, the correct parts are received, and meanwhile, the type and the number of the assembly parts are compared through the MBOM, so that missing and wrong assembly are prevented.
And sixthly, coding and identifying the real object of each state version of the product in the product processing life cycle, generating a new product state after the state is changed once, generating a new version, identifying the corresponding product state version through the coding, clearly recording the version history of the product, and providing a basis for data consistency.
And seventhly, a data association change model is established when the technical state is changed, and related data are automatically changed (such as a demand plan, a material receiving list and the like) when source data are changed (such as MBOM), so that the data consistency in the product state change process is ensured.
Through a laser identification technology and a data consistency verification and control method of each link in the production process, the whole production process is always in a controllable state, so that the consistency, the integrity, the effectiveness and the traceability of the whole period information change of the aerospace product manufacturing are ensured.
Claims (1)
1. A method for ensuring the consistency of data in the production process of aerospace products is characterized by comprising the following steps:
firstly, a unique real object identifier is given to each part by using a laser identification technology; the first step is that in the production process of the structural member of the aerospace product, a laser identification technology is utilized to perform two-dimensional code laser marking on parts according to a certain coding rule, and a unique physical identification is given to each part;
secondly, checking the technical state consistency of various files and process tasks, and ensuring the consistency of process data; in the second step of production process, the sequence code or batch code of the material object identifier is searched through scanning the material object identifier, the directly associated technical files are traversed, the technical state consistency of various files and the process task is checked according to the data association and the technical state identifier in the data, and the validity of the process data is ensured;
thirdly, the consistency of batch information is ensured through batch code verification; in the third step, in the production process of the parts and before the production of the working procedures, the system compares the corresponding batch codes through the identification and the reading of the product entity identifiers, and checks whether the product entity identifiers are in the same batch, so that the mixed batch is prevented;
fourthly, the consistency of the process record and the product is ensured by using the batch or individual code identification of the process record of each link in the production process; in the fourth step of production process, the production plan, the processing record, the inspection record and the quality document process record are all provided with batch or individual coded identifiers, so that the corresponding consistency of the process record and the product is ensured;
fifthly, reading and checking the real object identification of the assembly part to be assembled to ensure the consistency of the information of the assembled complete set; fifthly, in the process of assembling products or parts, generating a lower-level part receiving list required by the batch according to an assembly plan and a corresponding MBOM (model based on) to identify and read a real object identifier of the to-be-assembled part, acquiring a corresponding batch code, checking whether the batch code is matched with the batch of the to-be-assembled product, ensuring that correct parts are received, and simultaneously, comparing the type and the number of the to-be-assembled parts through the MBOM to prevent neglected assembly and misassembly;
the sixth step, the version history of the product is clearly recorded, and a basis is provided for data consistency; the sixth step is that in the life cycle of product processing, each state version of the product is coded and identified by a real object, a new product state is generated after the state is changed once, a new version is generated, the corresponding product state version is identified through the coding, the version history of the product is clearly recorded, and a basis is provided for data consistency;
and the seventh step of establishing a data association change model when the technical state is changed, wherein when the source data is changed, the related data is automatically changed, so that the data consistency in the product state change process is ensured.
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| CN107092967A (en) * | 2017-05-27 | 2017-08-25 | 武汉理工大学 | A kind of ship part, EIC equipment identification code tracking system and method |
| CN107506462B (en) * | 2017-08-30 | 2020-12-08 | 中国建设银行股份有限公司 | Data processing method and system for enterprise-level data, electronic equipment and storage medium |
| CN107808180A (en) * | 2017-11-09 | 2018-03-16 | 北京卫星环境工程研究所 | Spacecraft assembly information real-time collecting method based on Quick Response Code |
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