Las correcciones de arco y de pulso yel voltaje en la transferencia metálica fría//The arc and pulse corrections and the voltage in thecold metal transfer
Abstract
Las correcciones de arco y de pulso del proceso de soldadura con transferencia metálica fría modifican el voltaje y la corriente. Sin embargo, dicha variación no se ha estudiado suficientemente, específicamente el efecto de estas correcciones sobre los oscilogramas de voltaje y la variación de la potencia del proceso. El objetivo del presente trabajo es analizar la influencia del efecto de las correcciones de arco y de pulso, del proceso de soldadura con transferencia metálica fría, sobre el oscilograma de voltaje en la etapa de arco eléctrico durante la realización de uniones soldadas en aluminio 5083.Las funciones de corrección de la longitud de arco y del puso de corriente influyen de forma directa, tanto independientes como combinadas, sobre la potencia consumida en el proceso de soldadura metálica fría, mientras que la velocidad de soldadura influye inversamente. El crecimiento combinado de las variables referidas influye inversamente sobre la potencia consumida.
Palabras claves: corrección de arco, corrección de pulso, transferencia metálica fría, proceso CMT, oscilogramas, potencia.
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Abstract
The cold metal transfer welding functions such as arc and pulse correction modify the voltage and the current. However, has not sufficiently studied these variation, specifically the effect of these corrections on the oscillogram svoltage´s and processes potency variation. The arc length and current pulse correction functions have a direct influence on potency consumed in the cold metal transfer process, so much independent like combined, while the has an inversely influence. The growth combined of arc and pulse correction and welding velocity inversely acts on consumed potency of cold metal transfer process.
Key words: .arc correction, pulse correction, cold metal transfer, CMT process, oscillogram, consumption.
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