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    • 2. 发明申请
    • SYSTEM AND METHOD FOR JOINING DISSIMILAR MATERIALS
    • 用于接合不同材料的系统和方法
    • WO2009094090A1
    • 2009-07-30
    • PCT/US2008/088119
    • 2008-12-23
    • ALCOA INC.STOL, IsraelCHONTAS, Trent
    • STOL, IsraelCHONTAS, Trent
    • B23K31/02
    • B23K31/027B23K2201/06B23K2203/20
    • An assembly includes a first structural member made from a first material, such as aluminum, a second structural member made from a second material, such as magnesium, and adapted to mate and interlock with the first member, and a third structural member made from the first material to facilitate a permanent affixation between the first and second members. The second member fits within the first member and the third member fits within the second member. The second member includes at least one aperture surrounded by a protrusion, and the third member includes at least one aperture that mates and interlocks with the protrusion. A surface of the third member is exposed through the apertures of the first and second members. The first member is welded to the third member through the apertures in order to permanently affix the first and second members to one another without metallurgical altering or local welding of the second member.
    • 一种组件包括由诸如铝的第一材料制成的第一结构构件,由诸如镁的第二材料制成并适于与第一构件配合和互锁的第二结构构件,以及由第一构件制成的第三结构构件 第一材料,以促进第一和第二构件之间的永久固定。 第二构件安装在第一构件内,第三构件适合于第二构件。 第二构件包括由突起围绕的至少一个孔,并且第三构件包括与突起配合和互锁的至少一个孔。 第三构件的表面通过第一和第二构件的孔露出。 第一构件通过孔被焊接到第三构件,以便将第一构件和第二构件永久地固定到彼此而不进行第二构件的冶金改变或局部焊接。
    • 3. 发明申请
    • FRICTION STIR WELDING APPARATUS
    • 摩擦焊接设备
    • WO2009033157A2
    • 2009-03-12
    • PCT/US2008/075599
    • 2008-09-08
    • ALCOA INC.BURG, James T.STOL, IsraelSPINELLA, Donald J.COBES, John W., Jr.
    • BURG, James T.STOL, IsraelSPINELLA, Donald J.COBES, John W., Jr.
    • B23K20/12
    • B23K20/126B23K20/1255
    • 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.
    • 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。
    • 6. 发明申请
    • SELF-GUIDING FRICTION STIR WELDING APPARATUS AND METHOD
    • 自引导摩擦焊接装置及方法
    • WO2012162606A1
    • 2012-11-29
    • PCT/US2012/039570
    • 2012-05-25
    • ALCOA INC.STOL, IsraelBURG, James T.
    • STOL, IsraelBURG, James T.
    • B23K20/12B23K37/02
    • B23K20/1245B23K20/1285B23K37/0282
    • [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.
    • 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。
    • 7. 发明申请
    • ADVANCED MULTI-SHOULDERED FIXED BOBBIN TOOLS FOR SIMULTANEOUS FRICTION STIR WELDING OF MULTIPLE PARALLEL WALLS BETWEEN PARTS
    • 高级多功能固定式BOBBIN工具同步摩擦焊接多个并联墙壁之间的零件
    • WO2009114861A1
    • 2009-09-17
    • PCT/US2009/037300
    • 2009-03-16
    • ALCOA INC.STOL, IsraelCOBES, John, W., Jr.CHONTAS, Trent, A.FRIDY, Joseph, M.
    • STOL, IsraelCOBES, John, W., Jr.CHONTAS, Trent, A.FRIDY, Joseph, M.
    • B23K20/12B23K101/04
    • B23K20/125B23K2201/045
    • A multi-shouldered friction stir welding tool (10) comprises an integral shank-pin unit (11) having a plurality of pin portions on the shank-pin unit, where the plurality of pin portions for driving into a plurality of joints to perform a friction stir welding operation on the corresponding plurality of joints and, where a shank portion of the shank-pin unit is for attachment to an optional axial tension rod (19), each of the friction stir welding modules comprises a pair of shoulders (13, 14) that is connected to the shank-pin unit where each shoulder has a distal end and a proximal end, where the proximal end of each shoulder faces the pin portion of the shank-pin unit, whereby the shoulder and pin(s) rotate in unison, and a pair of split collars or a pair of nuts that is connected to the shank-pin unit and faces the distal end of each shoulder, where the plurality of friction stir welding modules are connected to each other whereby the modules rotate in unison to simultaneously make a plurality of parallel welds. In addition, a method of friction stir welding a plurality of joints simultaneously comprising using at least one multi-shouldered friction stir welding tool is provided.
    • 一种多肩摩擦搅拌焊接工具(10),包括在柄针单元上具有多个销部分的整体柄针单元(11),其中多个销部分用于驱动多个接头以执行 在相应的多个接头上进行摩擦搅拌焊接操作,并且其中所述柄针单元的柄部分用于附接到可选的轴向张力杆(19),每个摩擦搅拌焊接模块包括一对肩部(13, 14),其连接到柄针单元,其中每个肩部具有远端和近端,其中每个肩部的近端面向柄销单元的销部分,由此肩部和销子旋转 以及一对分开的套环或一对连接到柄针单元并面对每个肩部的远端的螺母,其中多个摩擦搅拌焊接模块彼此连接,由此模块旋转 一致同时做 多个平行焊接。 另外,提供了一种使用至少一个多肩摩擦搅拌焊接工具同时进行摩擦搅拌焊接多个接头的方法。