Single power source arc welding apparatus
    11.
    发明授权
    Single power source arc welding apparatus 失效
    单电源电弧焊机

    公开(公告)号:US4479046A

    公开(公告)日:1984-10-23

    申请号:US483306

    申请日:1983-04-08

    IPC分类号: B23K9/09

    CPC分类号: B23K9/092

    摘要: A pulse arc welding apparatus in which pulse current and base current are alternately supplied a welding unit 13 comprises a series circuit of a transistor 2, a reactor 3 and a current detector 4 connected between a single power source 1 and the welding unit, and a control circuit 20 for switching the transistor on and off in response to inputs from the current detector, pulse current upper and lower limiters 7, 8, and base current upper and lower limiters 21, 22.

    摘要翻译: 一种脉冲电弧焊接装置,其中交替地提供脉冲电流和基极电流,焊接单元13包括连接在单个电源1和焊接单元之间的晶体管2,电抗器3和电流检测器4的串联电路, 控制电路20,用于响应于来自电流检测器,脉冲电流上限和下限7,8以及基极电流上下限21,22的输入而导通和截止晶体管。

    Hot-wire arc welding apparatus
    13.
    发明授权
    Hot-wire arc welding apparatus 失效
    热丝电弧焊机

    公开(公告)号:US4467176A

    公开(公告)日:1984-08-21

    申请号:US455712

    申请日:1983-01-05

    CPC分类号: B23K9/1093

    摘要: A hot-wire arc welding apparatus comprises a non-expendable electrode, means for supplying a current to initiate an arc between the nonexpendable electrode and a workpiece, an arc current control means for controlling the current from the supplying means, a wire feed means for feeding a filler wire into the arc, a wire feed control means for controlling the wire feed means to feed the filler wire at a given rate of feed, a voltage applying means for applying a voltage between the filler wire and the workpiece, a wire voltage control means for controlling the voltage from the voltage applying means, and a reference voltage generator for generating an output voltage which increases gradually or incrementally with time, each of the arc current control means, the wire feed control means, and the wire voltage control means being connected to the reference voltage generator and responsive to the output voltage therefrom for controlling the operation thereof. A delay circuit such as an integrator may be connected between the reference voltage generator and the wire feed control means for applying a delayed output voltage to the latter.

    摘要翻译: 一种热丝电弧焊接装置,包括非消耗电极,用于提供电流以在不可膨胀的电极和工件之间引发电弧的装置,用于控制来自供应装置的电流的电弧电流控制装置,用于 将填充线供给到电弧中;线输送控制装置,用于控制送丝装置以给定的进给速率供给填充线,用于在填充线和工件之间施加电压的电压施加装置,线电压 用于控制来自电压施加装置的电压的控制装置和用于产生随时间逐渐或递增地增加的输出电压的参考电压发生器,每个电弧电流控制装置,送丝控制装置和线电压控制装置 连接到参考电压发生器并且响应于其的输出电压来控制其操作。 诸如积分器的延迟电路可以连接在参考电压发生器和送丝控制装置之间,用于向后者施加延迟的输出电压。

    Hot wire welding system
    14.
    发明授权
    Hot wire welding system 失效
    热丝焊接系统

    公开(公告)号:US4464558A

    公开(公告)日:1984-08-07

    申请号:US391766

    申请日:1982-06-24

    CPC分类号: B23K9/167

    摘要: A hot wire welding system including a non-melting metal electrode, a supply of filler metal to be fed to a weld puddle formed by an arc, a D.C. power source for supplying both an arc current and a filler metal heating current, a first control circuit for controlling the filler metal heating current with a constant voltage characteristic, and a second control circuit for controlling the arc current with a constant current characteristic. By eliminating one of the two power supplies which was required in prior art systems, a significant reduction in size and complexity is obtained.

    摘要翻译: 一种热丝焊接系统,包括非熔化金属电极,供给到由电弧形成的焊接熔池的填充金属的供应源,用于提供电弧电流和填充金属加热电流的直流电源,第一控制 用于控制具有恒定电压特性的填充金属加热电流的电路,以及用于以恒定电流特性控制电弧电流的第二控制电路。 通过消除现有技术系统中所需的两个电源中的一个,可以获得显着的尺寸和复杂性的减小。

    Arc welding apparatus including function generators for controlling
welding parameters
    15.
    发明授权
    Arc welding apparatus including function generators for controlling welding parameters 失效
    包括用于控制焊接参数的功能发生器的电弧焊接装置

    公开(公告)号:US4456814A

    公开(公告)日:1984-06-26

    申请号:US457316

    申请日:1983-01-11

    CPC分类号: B23K9/073

    摘要: An arc welding apparatus includes means for controllingly supplying an output current to an arc-producing electrode, an output current setting unit for controlling the supplying means, means for feeding a filler wire, and means for applying voltage to the filler wire. A first function generator is connected between the output current setting unit and the feeding means for producing an output which is a function of an output current setting and which is delivered to the feeding means to control the rate at which the filler wire is fed. A second function generator is connected between the first function generator and the applying means for producing an output which is a function of the output from the first function generator and which is fed to the applying means to control the voltage applied to the filler wire. The second function generator may be connected between the output current setting unit and the applying means for issuing an output which is a function of the output current setting to the applying means to control the voltage applied to the filler wire. Therefore, the output current, the rate of feed of the filler wire, and the wire voltage can be adjusted solely by the output current setting unit.

    摘要翻译: 电弧焊接装置包括用于控制向电弧产生电极输出电流的装置,用于控制供给装置的输出电流设定单元,用于馈送填充线的装置,以及向填充线施加电压的装置。 第一功能发生器连接在输出电流设定单元和进给装置之间,用于产生作为输出电流设定的函数的输出,并且被输送到馈送装置以控制填充线被馈送的速率。 第二函数发生器连接在第一函数发生器和施加装置之间,用于产生作为来自第一函数发生器的输出的函数的输出,并且被馈送到施加装置以控制施加到填充线的电压。 第二功能发生器可以连接在输出电流设定单元和施加装置之间,用于向施加装置发出作为输出电流设定的函数的输出,以控制施加到填充线的电压。 因此,输出电流,填充线的进给速度和电线电压只能由输出电流设定单元进行调整。

    Constant voltage DC arc welding apparatus
    16.
    发明授权
    Constant voltage DC arc welding apparatus 失效
    恒压直流电弧焊机

    公开(公告)号:US4442339A

    公开(公告)日:1984-04-10

    申请号:US401774

    申请日:1982-07-26

    IPC分类号: B23K9/06 B23K9/073 B23K9/10

    CPC分类号: B23K9/0732 B23K9/0731

    摘要: A DC arc welding apparatus compares the output voltage with an adjustable, preset voltage, and the amplified and integrated difference signal is supplied to a current control circuit together with a current feedback signal. The resulting apparatus operates in a constant voltage mode, thus rendering it applicable to consumable electrode welding. A constant current mode may also be realized, as an alterantive, by bypassing the comparator and feeding the preset voltage directly to the current control circuit.

    摘要翻译: 直流电弧焊接装置将输出电压与可调节的预设电压进行比较,并将放大和积分的差信号与电流反馈信号一起提供给电流控制电路。 所得装置以恒定电压模式工作,从而使其适用于消耗电极焊接。 通过旁路比较器并将预设电压直接馈送到电流控制电路,也可以实现恒定电流模式作为改变。