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| Research on Six-Axis Free Bending Forming Mechanism and Forming Quality Control of Profle Components |
| GUO Xunzhong 1, YANG Qiucheng 1, CHENG Cheng 1, LIU Chunmei 1, XU Yong 2, BAI Xueshan 3, LI Guangjun 4 |
1. Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;
2. Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China;
3. AVIC Shenyang Aircraft Industial (Group) Co., Ltd., Shenyang 110850, China;
4. AVIC Chengdu Aircraft Industial (Group) Co. Ltd., Chengdu 610092, China |
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Abstract Six-axis free bending forming technology is a high-degree-of-freedom manufacturing technology in the field of integral forming of complex bending components. It can realize the overall accurate forming of tube components with complex axes and profile bending components with cross-sectional torsion characteristics. This article starts with the basic principles of six-axis free bending forming technology, and introduces the design of key equipment structure and the algorithm analysis of bending die movement trajectory. The method of combining finite element simulation and experiment is used to study the characteristics of the wall thickness distribution during the forming of the square tube, and the influence of the section torsion on the bending radius and bending direction of the formed member is analyzed.
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2022, 
