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一种薄壁金属管件焊接方法及套筒
InventionUnknown
8Claims · 2 independent
§ Ⅰ
Dossier Overview
Inventor
姜电波; 史渭森
Filing Date
Sep 1, 2026
Publication Date
Oct 27, 2026
IPC Classification
B23K 1/002 (2006.01)B23K 1/20 (2006.01)B23K 3/00 (2006.01)B23K 3/08 (2006.01)F16L 13/02 (2006.01)
本发明公开了一种薄壁金属管件焊接方法及套筒,涉及金属管路连接技术领域。套筒贯通孔内壁设有两圈环形槽,槽内预置钎料;管件端部插入套筒后,采用感应线圈加热至钎料全部熔化,随即对套筒两端施加轴向压力,在固定环的约束下,环形槽区域因截面应力集中而优先屈服、向内变形,将熔融钎料挤出,主动填充管件与套筒内壁之间的间隙;维持压力冷却至钎料固相线温度以下卸压,完成钎焊。本发明通过温度‑压力时序协同控制与套筒选择性屈服加压,将传统被动毛细填充升级为主动加压填充,钎着率大大提升,密封可靠性显著提高,适用于铜、不锈钢、铝合金等薄壁金属管件的自动化钎焊连接。
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