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    • 31. 发明公开
    • SYSTEMS AND METHODS FOR THE CONTROL OF WELDING PARAMETERS
    • 用于控制焊接参数的系统和方法
    • EP3160676A1
    • 2017-05-03
    • EP15725446.7
    • 2015-05-01
    • Illinois Tool Works Inc.
    • HUTCHISON, Richard Martin
    • B23K9/095
    • B23K9/0956B23K9/1056B23K9/125B23K9/173
    • A welding system includes a welding torch, a power supply, one or more sensors, and a controller is provided. The welding torch advances an electrode toward a workpiece in a first direction. The power supply provides a flow of electricity to the electrode for generating a welding arc between the electrode and the workpiece. Generating the welding arc generates a weld puddle behind the welding arc as the electrode moves in the first direction. The sensor generates a voltage output signal based on the amount of light received from the weld puddle. The controller is communicatively coupled with the sensor to receive the voltage output signal, and the sensor controls a welding parameter of the welding system based the voltage output signal.
    • 焊接系统包括焊炬,电源,一个或多个传感器以及控制器。 焊炬朝第一方向上的工件前进电极。 电源向电极提供电流以在电极和工件之间产生焊接电弧。 当电极沿第一方向移动时,产生焊接电弧在焊接电弧之后产生焊接熔池。 传感器基于从焊接熔池接收的光量生成电压输出信号。 控制器与传感器通信耦合以接收电压输出信号,并且传感器基于电压输出信号来控制焊接系统的焊接参数。
    • 40. 发明公开
    • METHOD AND SYSTEM TO INCREASE HEAT INPUT TO A WELD DURING A SHORT-CIRCUIT ARC WELDING PROCESS
    • VERFAHREN UND SYSTEMFÜRERHÖHTEHITZEZUFUHR IN EINEM KURZSCHLUSS-BOGE​​NSCHWEISSVERFAHREN
    • EP3056308A1
    • 2016-08-17
    • EP16000367.9
    • 2016-02-15
    • Lincoln Global, Inc.
    • PETERS, Steven R.
    • B23K9/09B23K9/02B23K9/095B23K9/173
    • B23K9/091B23K9/02B23K9/095B23K9/173
    • A method and a system to control heat input to a weld during an arc welding process. A series of electric arc pulses are generated between an advancing welding electrode and a metal workpiece using an electric arc welding system capable of generating an electric welding waveform to produce the electric arc pulses while manipulating the feed speed and/or direction of the electrode. A cycle of the electric arc welding waveform includes a pinch current phase providing an increasing pinch current level, a peak current phase providing a peak current level, a tail-out current level, and a background current phase providing a background current level. At least one heat-increasing current pulse of the cycle is generated, providing a heat-increasing current level, during the background current phase, where the heat-increasing current level is above the background current level. The cycle of the electric welding waveform with the at least one heat-increasing current pulse may be repeated until the arc welding process is completed.
    • 一种在电弧焊接过程中控制焊接热输入的方法和系统。 使用电弧焊接系统,在前进的焊接电极和金属工件之间产生一系列电弧脉冲,该电弧焊接系统能够在控制电极的进给速度和/或方向的同时产生电焊波形以产生电弧脉冲。 电弧焊波形的周期包括提供增加的夹紧电流电平的钳夹电流相位,提供峰值电流电平的峰值电流相位,尾部电流电平和提供背景电流电平的背景电流相位。 在背景电流阶段期间,产生循环的至少一个加热电流脉冲,提供加热电流水平,其中增热电流水平高于背景电流水平。 可以重复具有至少一个加热电流脉冲的电焊波形的周期,直到电弧焊接过程完成。