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| Flexible Assembly System of Aircraft Panel Based on Inner Surface of Skin Positioning |
| CHANG Songyang1 , WANG Hongsheng2 , SHANGGUAN Jingyi 2 , ZHU Lei2 , FENG Jun2 , ZHENG Chenji1 , FANG Qiang1 |
| (1. Institute of Aerospace Manufacturing Engineering, College of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China; 2. AVIC Xi’an Aircraft Industry Group Company Ltd., Xi’an 710089, China) |
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Abstract In order to meet the requirements of digital and flexible manufacturing of aircraft panel, this paper proposes a flexible assembly method of aircraft panel based on inner surface of skin positioning. Through the application of finite element parametric modeling and the optimization algorithm of skin support points, the optimization design of fixture board layout is realized. According to the positioning requirements of each part of the panel component, the flexible positioning method of stringer, skin and shear clip in the flexible assembly system was designed in detail, and the distributed network control system based on EtherCAT fieldbus technology was developed to complete the panel assembly. Through the application of this system, the assembly of four panels can be completed on one flexible tooling, which changes the traditional design approach and is of great significance to the development of aircraft panel flexible assembly technology
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2021, 
