Quality Enhancement through Stability Assessment in MIG Welding Processes

Abstract

In this study, various techniques for assessing the stability of MIG/MAG welding processes are discussed. These techniques rely on measuring the welding voltage and time-varying welding current intensity. There are many factors that influence the welding process' stability. Spatters are the most undesirable outcome of poor stability, since they can cause material losses, prolong production times owing to cleaning, and affect appearance. The stability assessments conducted with three distinct gas-shielding atmospheres provide the basis of the experimental portion of the paper. Two distinct welding fields were contrasted. Short-circuit material transfer was the first method, followed by spraying material transfer. According to the findings of the signal analysis, there is a more stable short-circuit material transfer when welding using the pure CO2 gas, and when welding with the Transferred Ionised Molten Energy (T.I.M.E.) mixture, a more steady spray material transfer occurs.