ELECTRODE NEGATIVE PULSE WELDING SYSTEM AND METHOD

A welding system includes a power source configured to generate power and deliver the power to a welding torch. The power is provided in accordance with an electrode negative pulse welding regime that includes a cyclic peak, followed by a stabilization phase, then a return to a background level. The...

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Hauptverfasser: Bryan Dustin MARSCHKE, Amanda Jean D'ARCY
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Amanda Jean D'ARCY
description A welding system includes a power source configured to generate power and deliver the power to a welding torch. The power is provided in accordance with an electrode negative pulse welding regime that includes a cyclic peak, followed by a stabilization phase, then a return to a background level. The stabilization phase has a generally parabolic current shape, and is performed in a current-closed loop manner until a transition point, where control becomes voltage-closed loop until the background level is reached. Resulting weld performance is improved, with a globular-like transfer mode, reduced shorts and enhanced arc stability. Se describe un sistema de soldadura que incluye una fuente de energía configurada para generar energía y suministrar la energía a un soplete de soldadura. La energía es provista de acuerdo con un régimen de soldadura por impulsos de electrodo negativo que incluye un pico cíclico, seguido por una fase de estabilización, luego un retorno a un nivel preexistente. La fase de estabilización tiene una forma de corriente generalmente parabólica, y se lleva a cabo de una manera de circuito cerrado por corriente hasta un punto de transición, en donde el control se vuelve circuito cerrado por voltaje hasta que se alcance el nivel preexistente. Se mejora el rendimiento de soldadura resultante, con un modo de transferencia tipo globular, cortos reducidos y estabilidad de arco mejorada.
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subjects CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
title ELECTRODE NEGATIVE PULSE WELDING SYSTEM AND METHOD
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