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1. 发明申请

WO2009033157A2 FRICTION STIR WELDING APPARATUS 审中-公开
标题翻译：摩擦焊接设备
公开(公告)号：WO2009033157A2
公开(公告)日：2009-03-12
申请号：PCT/US2008/075599
申请日：2008-09-08
申请人： ALCOA INC. , BURG, James T. , STOL, Israel , SPINELLA, Donald J. , COBES, John W., Jr.
发明人： BURG, James T. , STOL, Israel , SPINELLA, Donald J. , COBES, John W., Jr.
IPC分类号： B23K20/12
CPC分类号： B23K20/126 , B23K20/1255
摘要： Portable friction stir welding apparatus having a crawler which supports a motor for rotating a Friction Stir Welding tool and is coupled to a drive mechanism for urging the crawler along a predefined weld path on work pieces. The crawler can comprise one member or a set of two or three physically separated members each rotatably coupled to the friction stir welding tool. When one member is used to make a weld, it is located on top of the work pieces. When two members are used to make a weld, one member is located on the top of the work pieces and the second member is located on bottom of the work pieces. When three members are used to make two welds simultaneously on an upper work piece and a lower work piece, one member of the crawler is located on the top surface of the upper work piece, a second member is located between the two work pieces, and a third member is located on the bottom surface of the lower work piece. The friction stir welding tool for making the weld is rotatably coupled to each member and restricts axial displacement of the physically separate members relative to each other. The members are adapted to engage rails on the work pieces which provide at least one of guiding, alignment, fixturing, torque compensation for the members as the friction stir welding tool is rotated and the crawler is moved along a joint.
摘要翻译：便携式摩擦搅拌焊接装置具有履带，其支承用于使摩擦搅拌焊接工具旋转的电动机，并且与驱动机构联接，用于沿着工件上的预定焊接路径推压履带。履带可以包括一个构件或一组两个或三个物理分离的构件，每个构件可旋转地联接到摩擦搅拌焊接工具。当一个成员用于焊接时，它位于工件的顶部。当使用两个构件进行焊接时，一个构件位于工件的顶部，并且第二构件位于工件的底部。当三个部件同时在上部工件和下部工件上同时进行两个焊接时，履带的一个部件位于上部工件的上表面上，第二部件位于两个工件之间，第三构件位于下工件的底面上。用于制造焊接的摩擦搅拌焊接工具可旋转地联接到每个构件并且限制物理上分离的构件相对于彼此的轴向位移。这些构件适于接合工件上的轨道，当摩擦搅拌焊接工具旋转并且履带沿着接头移动时，该工件提供对构件的引导，对准，夹紧，扭矩补偿中的至少一个。

2. 发明申请

WO2012162606A1 SELF-GUIDING FRICTION STIR WELDING APPARATUS AND METHOD 审中-公开
标题翻译：自引导摩擦焊接装置及方法
公开(公告)号：WO2012162606A1
公开(公告)日：2012-11-29
申请号：PCT/US2012/039570
申请日：2012-05-25
申请人： ALCOA INC. , STOL, Israel , BURG, James T.
发明人： STOL, Israel , BURG, James T.
IPC分类号： B23K20/12 , B23K37/02
CPC分类号： B23K20/1245 , B23K20/1285 , B23K37/0282
摘要： [0050] One embodiment of a friction stir welding apparatus comprises two friction stir welding tools on a carriage (12). The first friction stir welding tool (14) is capable of rotating in a first direction. The second friction stir welding tool (16) is capable of rotating in a second direction, counter to the first direction. The first friction stir welding tool and the second friction stir welding tool are operable to weld simultaneously and in tandem along an intersection of at least two work pieces. In some embodiments, when welding, the first friction stir welding tool (14) is capable of exerting a greater force on a first work piece than on a second work piece and the second friction stir welding tool (16) is capable of exerting a greater force on the second work piece than on the first work piece so that a sum of the forces of the first and second stir welding tools on the work pieces urges the carriage (12) and the friction stir welding tools along the seam or inter section in a substantially linear path.
摘要翻译：摩擦搅拌焊接装置的一个实施例包括在滑架（12）上的两个摩擦搅拌焊接工具。第一摩擦搅拌焊接工具（14）能够沿第一方向旋转。第二摩擦搅拌焊接工具（16）能够沿与第一方向相反的第二方向旋转。第一摩擦搅拌焊接工具和第二摩擦搅拌焊接工具可操作以沿着至少两个工件的交点同时并且串联焊接。在一些实施例中，当焊接时，第一摩擦搅拌焊接工具（14）能够在第一工件上施加比在第二工件上更大的力，并且第二摩擦搅拌焊接工具（16）能够施加更大的力在第二工件上的作用力大于在第一工件上的力，使得工件上的第一和第二搅拌焊接工具的力的总和沿着接缝或相间部分推动滑架（12）和摩擦搅拌焊接工具一个基本线性的路径。

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