Multi-signal quality monitoring of aluminium resistance spot welding using principal component analysis
The current migration to lighter materials in car bodies, such as aluminium, has resulted in significant challenges for joining in production. Resistance Spot Welding (RSW) is the primary sheet metal joining technique in the automotive industry due to its quick cycle time, low cost and high strength. However, aluminium RSW suffers from problems with quality consistency compared to steel, requiring more frequent interventions. This results in a higher cost in production through increased cycle...[Show more]
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