基于预翻边板料无模旋压的锥形薄壁件高性能成形

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  • 上海交通大学 上海市复杂薄板结构数字化制造重点实验室,上海  200240
宋若存(2000—),硕士,从事金属旋压成形理论与技术研究
于忠奇,副教授,博士生导师;E-mail: yuzhq@sjtu.edu.cn

网络出版日期: 2025-11-14

基金资助

兵器装备预研项目(E8E85448),国家自然科学基金资助项目(52175346)

High-Performance Forming of Conical Thin-Walled Parts Based on Die-Less Spinning with Pre-Flanged Blank

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  • Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures, Shanghai Jiao Tong University, Shanghai 200240, China

Online published: 2025-11-14

摘要

为了实现可热处理铝合金旋压件的高性能精确成形和低成本制造,本文提出了预翻边板料无模旋压-固溶处理-有模旋压-人工时效的锥形件加工路线。本文通过仿真与试验相结合的方法,研究了预翻边结构对锥形件无模预旋压成形精度及后续有模终旋压成形性能的影响。研究表明,相较于无翻边板料,预翻边结构板料可以有效地提高无模旋压锥形件成形精度,并且翻边角度越大其提升效果越好;采用该路线加工的锥形旋压件不仅具有更好的轮廓精度,而且也具有更好的拉伸强度,这一成果为可热处理铝合金大型薄壁锥形件高性能低成本制造提供了技术支持。

本文引用格式

宋若存, 贾韩伟, 于忠奇 . 基于预翻边板料无模旋压的锥形薄壁件高性能成形[J]. 上海交通大学学报, 0 : 1 . DOI: 10.16183/j.cnki.jsjtu.2025.145

Abstract

To achieve high-performance precision forming and low-cost manufacturing of heat-treatable aluminum alloy spun parts, this paper proposes a new process route: die-less spinning of pre-flanged blanks followed by solution treatment, die spinning and aging. Through a combined approach of numerical simulation and experimental validation, the influence of pre-flanged structures on the forming accuracy of conical parts in die-less spinning and subsequent die spinning formability was systematically investigated. The results demonstrate that compared with non-flanged blanks, pre-flanged structures can effectively enhance the forming accuracy of conical parts in die-less spinning, with larger flanging angles yielding greater improvements. Furthermore, the final spun conical parts obtained from the new process route exhibit superior contour accuracy and tensile strength. These findings provide technical support for the low-cost, high-performance manufacturing of large-scale heat-treatable aluminum alloy thin-walled structures.
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