中国机械工程2016，Vol.27Issue(23)：3246-3251,6.DOI:10.3969/j.issn.1004-132X.2016.23.020
充液压制成形汽车桥壳后盖区开裂分析及预成形管坯形状优化设计
Cracking Analysis of Rear Covers and Shape Optimization of Preformed Pipes for Filling-pressing Forming Axle Housings
摘要
Abstract
Aiming at the phenomenon of rear cover cracking in current production,the cracking reason was revealed by analyzing the pressing deformation of rear covers in two extreme cases.The design method of the maximum longitudinal section profile of the preformed pipes was proposed,and the definitions of the profile reference coefficient K0 and gradient coefficient K1 were given.For a 5 t automobile axle-housing, the value ranged of the profile reference coefficient K0 and gradient coefficient K 1 were determined through simulating the pressing forming processes of the preformed pipes with different sizes of rear covers using ABAQUS.And the results of the pressing forming test show that the optimized pipes are of good formability,the wall thinning rate of rear covers is low and there is no cracking.关键词
汽车桥壳/胀压成形/预成形管坯/开裂/有限元模拟Key words
axle housing/bugling-pressing forming/preformed pipe/cracking/finite element simula-tion分类
矿业与冶金引用本文复制引用
吴娜,王连东,沈亚坤,张蒙..充液压制成形汽车桥壳后盖区开裂分析及预成形管坯形状优化设计[J].中国机械工程,2016,27(23):3246-3251,6.基金项目
河北省自然科学基金资助项目(E2012203022) （E2012203022）
河北省研究生创新资助项目(00302-6370015) （00302-6370015）
