Bending forming of lightweight large diameter thin-walled aluminum alloy aviation tube

被引：0
|
作者：
Jiang, Lanfang [1 ,2 ]
Zhang, Yichao [3 ]
Li, Wei [3 ]
Zhang, Shuyou [2 ]
Li, Heng [4 ]
Zhu, An [3 ]
机构：
[1] Zhejiang Univ Technol, Zhijiang Coll, Shaoxing 312030, Peoples R China
[2] Zhejiang Univ, State Key Lab Fluid Power & Mechatron Syst, Hangzhou 321403, Peoples R China
[3] Zhejiang Univ Technol, Coll Mech Engn, Hangzhou 310032, Peoples R China
[4] Northwestern Polytech Univ, Sch Mat, Xian 710072, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2024年
基金：
中国国家自然科学基金;
关键词：
Large diameter thin-walled tube; rotary drawing bending; mandrel extension;
D O I：
10.1142/S0217984924420120
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
To improve the forming quality of lightweight aviation tubes, the influence of different tube specifications, forming requirements and process parameters on bending forming of large diameter thin-walled (LDTW) LF2M aluminum alloy tubes (AATs) was studied. A finite element analysis model for LDTW AAT bending was established and verified. The results show that with the increase of mandrel extension length em, the wall-thinning ratio tends to increase. With the increase of em, the overall wall-thickening ratio decreases. With the increase of em, the ovality decreases first and then increases. The bending radius has a great influence on wall thickness variation. It has great significance to guide the bending forming of lightweight LDTW aluminum alloy aviation tube.
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页数：9
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