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    • 43. 发明授权
    • Method for double end stud welding
    • 双头螺柱焊接方法
    • US4339653A
    • 1982-07-13
    • US95322
    • 1979-11-19
    • Thomas E. DoyleDaniel HauserMichael D. HayesDavid C. Martin
    • Thomas E. DoyleDaniel HauserMichael D. HayesDavid C. Martin
    • B23K9/20
    • B23K9/20
    • Method and apparatus for simultaneously welding by the stud end welding technique a stud having two or more ends. The stud includes at least one elongated relatively thin metallic projection from each end of the stud to be welded. The method and apparatus maintains a current density in a given projection sufficient to disintegrate only a portion of each projection with consequent arc initiation upon contact with the base metal such that the disintegration of a given projection will permit the remaining projections to contact the base metal causing a short to extinguish the one arc which has been initiated and consequent disintegration and arcing of the next tip to strike the workpiece which procedure proceeds randomly from tip to tip until the ends of the stud reach the molten metal pools. The studs and footpiece for the welding gun are of a configuration to insure proper alignment of the stud with respect to the workpiece while the footpiece of the gun includes means for securing to arc shields properly in place.
    • 用于通过螺柱端部焊接技术同时焊接具有两个或多个端部的螺柱的方法和装置。 螺栓包括至少一个细长的相对较薄的金属突出部,从待焊接的螺柱的每个端部。 该方法和装置在给定的投影中保持足够的电流密度,以便在与基底金属接触时随后的电弧起始时仅分解每个突起的一部分,使得给定突起的分解将允许剩余的突起接触贱金属 短暂地熄灭已经开始的一个电弧,并且随后的下一个尖端的分解和电弧触发工件,该过程从尖端到尖端直到螺柱的端部到达熔融金属池。 用于焊枪的螺柱和脚架具有确保螺栓相对于工件正确对准的构造,而枪的脚架包括用于将电弧护罩固定到适当位置的装置。