Volume 8, Issue 2 (Journal OF Welding Science and Technology 2023)                   2023, 8(2): 145-154 | Back to browse issues page

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Maraki M, Mahmoodi M, Yousefieh M, Tagimalek H. Prediction and optimization of weld geometry in gas metal arc welding (GMAW) using least squares support vector machine. Journal of Welding Science and Technology of Iran 2023; 8 (2) :145-154
URL: http://jwsti.iut.ac.ir/article-1-419-en.html
Abstract:   (583 Views)
In Wire and arc additive manufacturing (WAAM) based on Gas metal arc welding (GMAW) is one of the methods of manufacturing metal layer by layer. One of this method's basic steps is predicting the welding geometry created in each welding step. In the current research, an experimental study was conducted in this field considering the effective parameters of welding geometry. For this purpose, three parameters of voltage, welding speed, and wire feeding speed were considered as effective parameters on the welding geometry of the process. The width and height of the weld bead was selected as the answer according to the type and application of the research. The least squares support vector machine was used to model the welding geometry in the process. The results obtained from the regression (R2) of train, test, validation, and total were 0.945, 0.793, 0.894, and 0.881 respectively. The comparison between the experimental data and the model data shows the significance of the proposed model.
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Type of Study: Research | Subject: Special

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