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    • 5. 发明授权
    • Hybrid welding with multiple heat sources
    • 混合焊接多个热源
    • US08729424B2
    • 2014-05-20
    • US12708249
    • 2010-02-18
    • Dechao Lin
    • Dechao Lin
    • B23K26/00
    • B23K28/02B23K9/16B23K10/02B23K15/006B23K26/242B23K26/348B23K2101/18
    • A method of welding a joint includes directing a first output from a high energy density heat source, such as a laser, against a first side of the joint. The method further includes directing a second output from an arc welding heat source, such as a gas metal arc welding torch, against a second side of the joint. The first output produces a keyhole surrounded by a molten metal pool which extends from the first side of the joint toward the second side of the joint. In some embodiments a third output from a second arc welding heat source may also be directed at the first side of the joint. A second molten metal pool produced by the arc welding heat source joins with the first molten metal pool and the third molten metal pool to form a common molten metal pool which solidifies to form the weld.
    • 焊接接头的方法包括将诸如激光器的高能量密度热源的第一输出引导到接头的第一侧。 该方法还包括将来自电弧焊接热源(例如气体金属电弧焊炬)的第二输出引导到接头的第二侧。 第一输出产生由熔融金属池围绕的锁孔,该熔池从接头的第一侧向接头的第二侧延伸。 在一些实施例中,来自第二电弧焊热源的第三输出也可以指向接头的第一侧。 由电弧焊接热源产生的第二熔融金属池与第一熔融金属池和第三熔融金属池结合,形成一个固化的熔融金属池,形成焊缝。
    • 8. 发明授权
    • Method of high energy density radiation beam lap welding
    • 高能量密度辐射束搭接焊接方法
    • US5603853A
    • 1997-02-18
    • US395478
    • 1995-02-28
    • Jean C. Mombo-Caristan
    • Jean C. Mombo-Caristan
    • B23K15/00B23K26/14B23K26/24B23K26/32B23K26/00
    • B23K26/123B23K15/006B23K26/142B23K26/1437B23K26/147B23K26/24B23K26/242B23K26/244B23K26/32B23K26/322B23K2201/006B23K2201/34B23K2203/04B23K2203/08B23K2203/10B23K2203/12B23K2203/50Y10T428/12493
    • A method of welding at least two sheets using a high energy density radiation beam that preferably is a laser beam or an electron beam for producing a welded lap joint that is substantially completely fused across the width of overlap of the sheets preferably for enabling shaping or forming to be performed such that at least one of the sheets and at least portion of a weld line defined between the overlapped sheets are bent or three dimensionally contoured. In practicing a preferred embodiment of the method, the sheets are overlapped and welded by directing at least one radiation beam toward the overlapped sheets having sufficient power density and for a sufficient amount of time to weld the sheets such that they are substantially completely fused from front to back in the overlap region. As a result, the sheets form a blank that preferably is formed or shaped, such as by shaping, deep drawing, hydro-forming or roll forming, such that at least one of the sheets and a portion of the weld line of the sheets are bent or three dimensionally contoured. After shaping or forming, the sheets preferably form at least part of an article of manufacture.
    • 使用优选为激光束或电子束的高能量密度辐射束焊接至少两片的方法,该激光束或电子束用于产生焊接的搭接接头,其基本上完全熔合在片材的重叠宽度上,优选地能够成形或形成 以使得限定在重叠的片材之间的片材中的至少一个和焊接线的至少一部分被弯曲或三维轮廓。 在实施该方法的优选实施例中,通过将至少一个辐射束引向具有足够功率密度的重叠片材并且足够的时间来焊接片材使得它们基本上完全从前面熔化而将片材重叠和焊接 回到重叠区域。 结果,片材形成优选形成或成形的坯料,例如通过成形,深冲压,加氢成型或辊轧成形,使得片材中的至少一个和片的焊接线的一部分是 弯曲或三维轮廓。 在成形或成型之后,片材优选形成制品的至少一部分。