Patent No. EP4010141 (titled "Method For Igniting A Welding Arc") was filed by Fronius on Jul 14, 2020. The application was issued on Apr 24, 2024.
A method and device for igniting and re-igniting a welding arc between a consumable wire electrode and a workpiece, which prevents welding start errors and reliably ignites the arc during the welding process. The method determines the time or distance required for the wire end to reach the workpiece and adjusts the ignition energy accordingly. The device includes a determination unit to measure the time or distance and an adjustment unit to set the ignition energy based on the measurement.

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