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发明授权
US07854362B2 Advanced multi-shouldered fixed bobbin tools for simultaneous friction stir welding of multiple parallel walls between parts 失效
先进的多肩固定筒管工具，用于同时摩擦搅拌焊接多个平行的墙壁之间

Advanced multi-shouldered fixed bobbin tools for simultaneous friction stir welding of multiple parallel walls between parts
摘要：
A multi-shouldered friction stir welding tool comprises an integral shank-pin unit having a plurality of pin portions for driving into a plurality of joints. A shank portion of the shank-pin unit is for attachment to an optional axial tension rod. A plurality of friction stir welding modules comprise a pair of shoulders that is connected to the shank-pin unit. The proximal end of each shoulder faces the pin portion of the shank-pin unit, whereby the shoulder and pin(s) rotate in unison. A pair of split collars or a pair of nuts is connected to the shank-pin unit and faces the distal end of each shoulder. The plurality of friction stir welding modules are connected to each other and rotate in unison to simultaneously make a plurality of parallel welds.
摘要（中）：

多肩摩擦搅拌焊接工具包括具有用于驱动多个接头的多个销部分的整体柄销单元。 柄针单元的柄部分用于附接到可选的轴向张力杆。 多个摩擦搅拌焊接模块包括连接到柄针单元的一对肩部。 每个肩部的近端面向柄销单元的销部分，由此肩部和销头一致地旋转。 一对裂口或一对螺母连接到柄针单元并面向每个肩部的远端。 多个摩擦搅拌焊接模块彼此连接并同时旋转以同时形成多个平行焊接。

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