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提出铝合金薄壁圆筒件边缘增厚旋压成形方法，并借助ABAQUS仿真软件建立2219-O铝合金筒形件边缘增厚旋压数值仿真模型，分析了该圆筒件边缘增厚流动特征和关键参数影响规律，并完成了试验验证。研究结果表明，在铝合金筒形件边缘增厚旋压成形过程中，材料在较大的轴向应变和周向应变条件下填充增厚区；较小的旋轮进给量和摩擦因数更有利于增厚区填充，并随着进给量和摩擦因数增大，增厚区填充饱满度降低；当增厚比增大时，材料填充饱满度变差，甚至出现凹坑现象。在合理的增厚区结构和工艺参数下，采用旋压方法可以实现薄壁圆筒件边缘增厚。
Abstract：An edge-thickening spinning method of aluminum alloy thin-walled cylindrical parts was proposed. An edge-thickening spinning numerical simulation model of 2219-O aluminum alloy cylindrical parts was established using ABAQUS simulation software to analyze the flow characteristic of edge-thickened cylindrical parts and the influence laws of key parameters, and the test verification was completed. The research results demonstrate that during the edge-thickening spinning of aluminum alloy cylindrical parts, the material fills into the thickened zone under larger axial and circumferential strain, and that smaller roller feeding amount and friction factor are more conducive to the filling of thickened zone, and with the increase of feeding amount and friction factor, the filling degree of thickened zone decreases; as the thickening ratio increases, the material filling degree deteriorates, even leading to the formation of pit defect. With appropriate thickened zone structures and process parameters, the spinning method can effectively achieve edge-thickening of thin-walled cylindrical parts.
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基本信息:
中图分类号:TG306
引用信息:
[1]孙宇,孙晓龙,陈伟,等.薄壁圆筒件边缘增厚旋压成形工艺研究[J].塑性工程学报,2026,33(08):127-134.
基金信息:
基础科研计划(JCKY2024203A002)
2026-08-21
2026-08-21
2026-08-21