Comparison and explanation of data-driven modeling for weld quality prediction in resistance spot welding

Russell, Matthew; Kershaw, Joseph; Xia, Yu-Jun; Lv, Tianle; Li, Yongbing; Ghassemi-Armaki, Hassan; Carlson, Blair E.; Wang, Peng

doi:10.1007/s10845-023-02108-1

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2024

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Cited by 4 publications

References 27 publications

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Frequency domain signal analysis based index for expulsion quantification in resistance spot welding

Antal,

Razza,

De Maddis

2024

Int J Adv Manuf Technol

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Frequency domain signal analysis based index for expulsion quantification in resistance spot welding

Antal,

Razza,

De Maddis

2024

Int J Adv Manuf Technol

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Machine learning tool for the prediction of electrode wear effect on the quality of resistance spot welds

Panza,

Bruno,

Antal

et al. 2024

Int J Interact Des Manuf

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The quality of resistance spot welding (RSW) joints is strongly affected by the condition of the electrodes. This work develops a machine learning-based tool to automatically assess the influence of electrode wear on the quality of RSW welds. Two different experimental campaigns were performed to evaluate the effect of electrode wear on the mechanical strength of spot welds. The resulting failure load of the joints has been used to define the weld quality classes of the machine learning tool, while data from electrode displacement and electrode force sensors, embedded in the welding machine, have been processed to identify the predictors of the tool. Some machine learning algorithms have been tested. The most performing algorithm, i.e., the neural network, achieved an accuracy of 90%. This work provides important theoretical and practical contributions. First, the decreasing thermal expansion of the weld nugget as the electrode degradation advances results in a strong correlation between the difference of the maximum displacement value and the last value recorded during the welding and the relative failure load. Then, this work offers a practical decision support tool for manufacturers. In fact, the automatic detection of low-quality welds allows to reduce or eliminate unnecessary redundant welds, which are performed to compensate for the uncertainty of electrode wear. This leads to savings in time, energy, and resources for manufacturers. Finally, general recommendations for the timing of redressing or replacing the electrode are provided in the manuscript based on the company willingness to accept some non-compliant welds or not.

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Advanced process characterization and machine learning-based correlations between interdiffusion layer and expulsion in spot welding

Kershaw,

Ghassemi-Armaki,

Carlson

et al. 2024

Journal of Manufacturing Processes

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Comparison and explanation of data-driven modeling for weld quality prediction in resistance spot welding

Cited by 4 publications

References 27 publications

Frequency domain signal analysis based index for expulsion quantification in resistance spot welding

Frequency domain signal analysis based index for expulsion quantification in resistance spot welding

Machine learning tool for the prediction of electrode wear effect on the quality of resistance spot welds

Advanced process characterization and machine learning-based correlations between interdiffusion layer and expulsion in spot welding

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