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针对传统双板件电磁成形中金属板件变形均匀度不足的瓶颈问题，创新性地提出基于外凸型线圈的双板件电磁成形方法。选取AA1060铝板为研究对象，通过COMSOL多物理场耦合平台构建外凸型线圈驱动双板件成形的二维轴对称模型，系统分析电磁-力耦合作用机理。外凸型线圈通过增强板件端部区域涡流密度实现轴向电磁力分布的优化调控。仿真结果表明，传统双板件电磁成形时Dz为25.80 mm,采用基于外凸型线圈的双板件电磁成形的Dz为44.28 mm,基于外凸型线圈的均匀区域是传统线圈均匀区域的1.71倍。该新型线圈结构能有效改善双板件成形均匀性，为双板件电磁成形工件质量的提高提供了新的解决方案。
Abstract：Aiming at the bottleneck problem of insufficient deformation uniformity of metal sheet in traditional double-sheet electromagnetic forming, a double-sheet electromagnetic forming method based on convex coil was innovatively proposed. AA1060 aluminum sheet was selected as the research object, and the two-dimensional axisymmetric model of double-sheet forming driven by convex coil was built through COMSOL multi physical field coupling platform, and the electromagnetic-force coupling mechanism was systematically analyzed. The convex coil can optimize the axial electromagnetic force distribution by enhancing the eddy current density at the end of the sheet. The simulation results show that the Dz of traditional double-sheet electromagnetic forming is 25.80 mm, the Dz of double-sheet electromagnetic forming based on convex coil is 44.28 mm, and the uniform area based on convex coil is 1.71 times that of traditional coil. The new coil structure can effectively improve the uniformity of double-sheet forming and provide a new solution for improving the quality of double-sheet electromagnetic forming.
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基本信息:
中图分类号:TG391
引用信息:
[1]邱立,陈玉红,陈烁,等.基于外凸型线圈的双板件电磁成形电磁力分布与变形均匀度研究[J].塑性工程学报,2026,33(03):87-96.
基金信息:
国家自然科学基金资助项目(51877122;51507092)
2026-03-17
2026-03-17
2026-03-17