张敬冲;李言;杨明顺;姚梓萌;

• 1:西安理工大学机械与精密仪器工程学院

摘要(Abstract)：

为研究单点增量成形件残余应力分布情况以及不同工艺参数对残余应力和轴向精度的影响,对成形材料1050铝进行性能分析。用ABAQUS有限元软件建立单点增量成形圆锥台件三维实体有限元模型,根据模拟结果分析工具头直径D、层间距ΔZ、主轴转速W和进给速度F对残余应力分布规律的影响,进而分析对轴向精度的影响,并通过实验验证仿真结果的有效性。研究表明:在较小的工具头直径和层间距、合适的主轴转速和较高的进给速度的条件下,可以获得较好的残余应力分布状态和较高的成形件轴向精度。

关键词(KeyWords)： 残余应力;单点增量成形;成形精度;ABAQUS

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51475366;51475146);; 陕西省科技计划项目(2016JM5074)

作者(Author): 张敬冲;李言;杨明顺;姚梓萌;

Email:

DOI: 10.14024/j.cnki.1004-244x.20161221.001

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