半滑动式液压胀形汽车桥壳的数值模拟及成形实验

摘要/Abstract

摘要：

对在不同加载路径下半滑动式液压胀形工艺中的管坯预胀形及终胀形过程进行了数值模拟,分析了不同加载路径下的管坯成形情况及其周向、轴向的壁厚分布,得到了预胀形管坯壁厚分布较好的加载路径以及终胀形时可确保成形合格样件的加载路径,并在普通液压机上进行了实验验证。

关键词:

半滑动式液压胀形, 汽车桥壳, 数值模拟, 加载路径, 壁厚分布

Abstract:

A numerical simulation of pre-bulging and final bulging of half-sliding hydroforming under the different loading paths was carried out.The hydroforming state and the wall thickness of tubeblank in the periphery direction and the axial direction were analyzed under variable loading paths,and the better paths

were figured out,by which the wall thickness distribution was good for the pre-bulging and the qualified

samples were obtained.The small automobile axle housings were tria-produced with a common press.

Key words: half-sliding hydroforming, automobile axle housing, numerical simulation, loading path, wall thickness distribution

中图分类号:

TG316



梁晨, 刘唯唯, 陈国强, 苏明凯, 王连东.

半滑动式液压胀形汽车桥壳的数值模拟及成形实验

[J]. 中国机械工程, 2012, 23(4): 479-484.

LIANG Chen, LIU Wei-Wei, CHEN Guo-Jiang, SU Meng-Kai, WANG Lian-Dong. Numerical Simulation and Test of Half-sliding Hydroforming Axle Housing[J]. China Mechanical Engineering, 2012, 23(4): 479-484.

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半滑动式液压胀形汽车桥壳的数值模拟及成形实验

Numerical Simulation and Test of Half-sliding Hydroforming Axle Housing

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