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    • 7. 发明授权
    • Arc welding control method and arc welding apparatus
    • 弧焊控制方法及电弧焊设备
    • US08723080B2
    • 2014-05-13
    • US13063487
    • 2010-07-06
    • Atsuhiro KawamotoYasushi MukaiJunji FujiwaraMasaru KowaToshiyuki Mishima
    • Atsuhiro KawamotoYasushi MukaiJunji FujiwaraMasaru KowaToshiyuki Mishima
    • B23K9/12
    • B23K9/073B23K9/067B23K9/125
    • An arc welding control method for carrying out welding by generating an arc between a wire and a base material. The wire is fed at wire feed speed (Wf) of periodically repeating forward feeding and reverse feeding with predetermined frequency and amplitude from time point (100) at which start of the welding is instructed, or from a certain time point (101) after the start of the welding is instructed, and then the wire feed speed is changed to a constant speed. Since the wire feed speed is controlled by periodically repeating forward feeding and reverse feeding at the arc start, short-circuit can be opened regardless of the electromagnetic pinch force, and spatters, which are generated at the early stage of the arc start because a molten pool is not preset, can be reduced.
    • 一种电弧焊接控制方法,用于通过在线材和基材之间产生电弧进行焊接。 以指示开始焊接的时间点(100)或从指定焊接开始后的某个时间点(101)起以预定的频率和幅度周期性重复正向进给和反向进给的送丝速度(Wf)进给线材。 指示焊接开始,然后将送丝速度变更为恒定速度。 由于通过在电弧启动时周期性地重复向前馈送和反向馈送来控制送丝速度,无论电弧起始时产生的电磁夹紧力以及在电弧启动的早期产生的飞溅,都可以打开短路,因为熔融 池没有预设,可以减少。
    • 8. 发明申请
    • WELDING TORCH
    • 焊接TORCH
    • US20100230395A1
    • 2010-09-16
    • US12294560
    • 2008-04-14
    • Yasushi MukaiToshiyuki Mishima
    • Yasushi MukaiToshiyuki Mishima
    • B23K9/26
    • B23K9/295
    • It comprises cylindrical feeder collet (6) formed with a slit portion at a front end thereof for feeding power to a welding wire internally set through; collet case (7) for storing feeder collet (6) therein, having an abutment on which the end of feeder collet (6) is abutted; flexible inner tube (4) for leading the welding wire to feeder collet (6); torch body (3) with inner tube (4) inserted therein and collet case (7) detachably disposed at the front end thereof; and spring (5) for pressurizing feeder collet (6) toward the front end of the welding wire, wherein there is provided a taper surface on at least any one of the front end of feeder collet (6) and the abutment of collet case (7). Thus, it is structurally simple and applicable for a curved torch.
    • 它包括在其前端形成有狭缝部分的圆柱形进给夹头(6),用于向内部设置的焊丝供电; 用于在其中存放进给夹头(6)的夹头壳体(7),具有邻接件,馈送夹头(6)的端部抵接在该支座上; 用于将焊丝引导到馈线夹头(6)的柔性内管(4); 具有插入其中的内管(4)的炬体(3)和可拆卸地设置在其前端的夹头壳体(7) 以及用于向所述焊丝的前端加压供给夹管(6)的弹簧(5),其中,在所述供电夹头(6)的前端和所述夹头壳体 7)。 因此,它在结构上是简单的并且适用于弯曲的火炬。