Parameter Optimization: Force (F), Time (T) and Current Intensity (I), in the RSW Welding Process of DP-290 Steel Plates Using the Taguchi Method

Abstract

Automotive industries are trying to use new light materials for structural parts of vehicles. However, the steels are being the best manufacturing material option in the automotive industry. One of the advanced steels commonly used due to the high mechanical properties is the Dual Phase Steel (Ferritic-Martensitic). Therefore, the welding process is still very important and a matter of improvement. The present work shows the design of an experimental matrix using the Taguchi method with the optimal parameters to apply in the spot welding process (RSW) of a DP-290 steel; the metallographic characterization, the microhardness and the Peel tests were also carried out in each specimen. The results determined that the lower intensity of current and a medium pressure for a longer time the better resistance to tearing, due to the microstructural changes in the specimens.

The Effect of Current and Time on Nut Spot Welding Process Towards Torque Test in Export Crate Construction

“…The Taguchi method with optimal parameters to be applied in the DP-290 steel point welding process, metallographic characterization, microhardness and Peel test were also carried out on each specimen. The result is low intensity and medium pressure for a longer time, better tearing resistance, due to changes in the microstructure of the specimen (Reyes-Calderón et al, 2018).…”

Análisis Estadístico en Aplicación de Soldadura GTAW Usando Diseño de Experimentos Factorial Completo

“…Park et al [14] utilizan el método Taguchi para el diseño de una cosechadora que garantice un voltaje de salida suficiente alto y robusto en un amplio rango de frecuencia producido por vibraciones mecánicas externas, confirmando que la longitud del sustrato tiene mayor influencia en la respuesta del recolector, con 18 experimentos se obtiene la combinación óptima resultando una reducción de aproximadamente 9,86% para el voltaje de salida; el valor de desviación se reduce en aproximadamente 18,14%. Investigadores utilizan el método Taguchi [15][16][17][18][19][20] para optimizar soldadura de puntos por resistencia (RSW) de un acero DP-290; obteniendo que una menor intensidad de corriente y presión moderada junto con mayores tiempos de soldeo producen una mejor resistencia al desgaste.…”