Influencia de los parámetros de soldadura por arco eléctrico con alambre-electrodo bajo protección gaseosa (gmaw) sobre la geometría del cordón de soldadura.

Abstract

In the development of this work, its purpose is to analyze the influence of the parameters of electric arc welding with a wire-electrode under gas protection (GMAW) on the geometry of the welding bead. During the process, it was possible to establish the relationship that each welding parameter has and the effect that each of them produces on the geometry of the welding bead. For this process, the data generated in each ASTM A36 steel welding specimen of 100 x 40 x 6 mm, which used a 0.9 mm ER70S-6 electrode wire, with CO2 protective gas, also with a variation of the extension of the electrode in 6.4, 8, 10, 12, 15, 19 mm and also of the variation of the nozzle angle in (-30°, -20°,- 10°,90°,+10°,+20° and 30 degrees). Then, a transverse macrography of the weld bead specimen was extracted, in order to observe the geometry of the bead. Microsoft Excel was used to carry out the analysis with the recorded data of the cord geometry based on each of the parameters, the same one that gave us an equation, this allows us to obtain optimal and quality cords in any industrial process.