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    • 3. 发明授权
    • Method of controlling the output characteristic of a welding power
source, apparatus for arc welding, and electrical circuit to be used
for such apparatus
    • 用于控制焊接电源的输出特性的方法,用于电弧焊接的装置和用于这种装置的电路
    • US4628181A
    • 1986-12-09
    • US709388
    • 1985-03-07
    • Jiluan PanRenhao ZhangZhiming OuZhiqion Wu
    • Jiluan PanRenhao ZhangZhiming OuZhiqion Wu
    • B23K9/073B23K9/09
    • B23K9/091B23K9/073
    • A method and apparatus for arc welding particularly regarding a pulse arc welding machine comprising a welding power source having an output characteristic control circuit, an overload protection circuit, a driving circuit, and a main power circuit, and a wire feeding unit having a wire feeding control circuit, a motor driving circuit and a wire feed motor. The output characteristic control circuit comprises a welding arc autoregulating control system which provides the power source with a multi-segmental and moving output characteristic with varying slope, a circuit for connecting arbitrary number of output characteristic segments with arbitrary or varying slope, and a scanning circuit for obtaining the output characteristic segment with varying slope. A particular use of the control system is in an easy to operate autoregulating controlled GMA welding machine with one-knob control of wire feed rate without having to adjust the other welding parameters.
    • 一种用于电弧焊的方法和装置,特别涉及一种包括具有输出特性控制电路,过载保护电路,驱动电路和主电源电路的焊接电源的脉冲电弧焊机,以及具有馈线 控制电路,马达驱动电路和送丝马达。 输出特性控制电路包括焊接电弧自动调节控制系统,该电弧自动调节控制系统为电源提供具有变化斜率的多分段和移动输出特性,连接任意数量的具有任意或变化斜率的输出特征段的电路和扫描电路 用于获得具有变化的斜率的输出特征段。 控制系统的特殊用途是易于操作的自动调节控制的GMA焊接机,其中一个旋钮控制送丝速度,而不必调整其他焊接参数。