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    • 2. 发明专利
    • Spot welding machine
    • 点焊机
    • JP2004001036A
    • 2004-01-08
    • JP2002159310
    • 2002-05-31
    • Koyo Giken:Kk株式会社向洋技研
    • KAI YOSHITOSHIKITAHARA HIDENORI
    • B23K11/24B23K11/10
    • PROBLEM TO BE SOLVED: To provide a spot welding machine for performing welding by inserting an upper electrode in a horizontal attitude into a metal box or a metal frame, and for setting detailed welding conditions only by inputting at least the nature of the material and thickness of a workpiece to be welded even when the material, the thickness and the like are changed.
      SOLUTION: This spot welding machine is provided with: a plate-like electrode 20 connected to the secondary side circuit of a transformer 40; a spot electrode 30 which is connected to the secondary side of the transformer 40 to apply the downward pressure to an overlapped portion of a workpiece placed on the plate-like electrode and to supply the welding current; a power converter 60 provided on the primary side circuit of the transformer 40; a timer 70 to transmit time signals to the power converter 60 to control the welding current; and a programmable controller 80 which is linked to a higher rank of the timer 70, stores welding conditions programmed on the basis of inputted welding information in a memory, and transmits the welding conditions to the timer 70 to give a command to send the time signals to the power converter 60.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种通过将水平姿态的上部电极插入金属盒或金属框架中来进行焊接的点焊机,并且仅通过至少输入所述焊接条件的性质来设定详细的焊接条件 即使当材料,厚度等改变时,待焊接的工件的材料和厚度。 该点焊机设置有:与变压器40的次级侧回路连接的板状电极20; 连接到变压器40的次级侧的点电极30,将向下的压力施加到放置在板状电极上的工件的重叠部分,并提供焊接电流; 设置在变压器40的一次侧电路上的电力转换器60; 定时器70,将时间信号发送到功率转换器60,以控制焊接电流; 以及连接到定时器70的较高等级的可编程控制器80,将根据输入的焊接信息编程的焊接条件存储在存储器中,并将焊接条件发送到定时器70,给出发送时间信号的命令 电源转换器60.版权所有(C)2004,JPO