Digital assembling and manufacturing method for tailor-welded pipeline

A manufacturing method and pipeline technology, applied in the direction of manufacturing tools, manufacturing computing systems, comprehensive factory control, etc., can solve the problems of low pipelines, achieve the effects of large space, elimination of waiting time for assembly, and high measurement accuracy

Active Publication Date: 2021-09-03
SICHUAN AEROSPACE LONG MARCH EQUIP MFG CO LTD
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Problems solved by technology

[0005] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a digital assembly and manufacturing method of tailor-welded pipelines, which effectively solves the problem of partial delivery pipelines caused by factors such as production and assembly errors, cumulative errors, and deformation of spacecraft. It is necessary to carry out on-site sampling assembly and manufacturing through the actual assembly space to ensure the assembly accuracy. It not only realizes low-stress assembly and precise docking of pipelines, but also helps to increase production capacity, eliminate waiting time for final assembly, and improve production efficiency.

Method used

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Embodiment Construction

[0028] The tailor-welded pipeline digital assembly manufacturing process provided by the present invention can be summarized into three main steps of "measurement", "modeling" and "manufacturing". That is, the basic data of digital sampling is obtained by measurement, the calculation of the virtual boundary conditions of the pipeline is completed by modeling, and the manufacture of parts is completed based on the model data.

[0029] Specifically, after the parts, boxes, engines and other products are complete, and the assembly workshop has the measurement conditions, the laser tracker is used to complete the measurement of the key geometric features of the boundary conditions at both ends of the pipeline, and the three-dimensional measurement in SA (Spatial Analyzer) In the software, the establishment of the coordinate system is completed according to the obtained data, so as to realize the description of the key feature space geometric information at both ends of the pipeline...

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Abstract

The invention discloses a digital assembling and manufacturing method for a tailor-welded pipeline. Basic data of digital sampling are obtained through measurement of a laser tracker, calculation of virtual boundary conditions of a pipeline is completed through modeling, and manufacturing of parts is completed according to model data. Compared with the prior art, the method has the positive effects that a laser tracker measurement system is adopted for data measurement, the measurement precision is high, real-time and rapid effects are achieved, the operation is simple and convenient, and pipeline boundary characteristic measurement can be rapidly and accurately carried out; a pipeline assembly space is copied to a part production workshop, the operation environment is single, the space is large, and the risk of instrument damage is avoided; the waiting time for manufacturing the tailor-welded pipeline of a spacecraft assembly is eliminated; and the data of the actual assembly space positions of the two ends of the pipeline are obtained through measurement for production and manufacturing, excessive dependence on manual experience is eliminated through data support, and the production quality and the assembly precision of the pipeline are improved.

Description

technical field [0001] The invention relates to the technical field of pipeline assembly and manufacturing, and is mainly applied to a method for accurately measuring boundary conditions of tailor-welded pipelines and performing digital assembly and manufacturing. Background technique [0002] Due to factors such as spacecraft parts and assembly errors and cumulative assembly errors of each component, some pipelines cannot be produced according to the theoretical dimensions of the drawings. After the final assembly has connected the corresponding sections or pipelines, tailor welding is carried out according to the actual assembly space. to meet assembly requirements. Therefore, in spacecraft, tailor-welded pipelines usually adopt the production mode of on-site physical sampling and manufacturing. Workshop trial assembly, after meeting the assembly requirements, return to the manufacturing workshop for subsequent performance testing, and finally deliver to the final assembl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P19/00
CPCB23P19/00Y02P90/30
Inventor 唐帅蔡奇彧石璟卢启强陈勇周成成张劲永鄢发强谭剑军杨帆钟涵朱志
Owner SICHUAN AEROSPACE LONG MARCH EQUIP MFG CO LTD
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