Rivet welding is a process that combines welding and riveting to create a strong, permanent joint between metal parts. It typically involves heating the rivet and the surrounding metal to form a bond, offering enhanced structural integrity compared to traditional mechanical fastening. Rivet welding is commonly used in automotive, aerospace, and industrial applications where durability is critical.
In contrast, a Friction Stir Welding (FSW) machine joins materials using frictional heat without melting them, resulting in a solid-state weld. FSW is highly effective for aluminum alloys and other non-ferrous metals, creating defect-free joints with minimal distortion. A notable advancement in this area is Refill Friction Stir Spot Welding (RFSSW), a form of FSW that is transforming the way aluminum sheets are joined. RFSSW provides higher joint strength than resistance spot welding and eliminates the need for rivets.
Its lower heat input also reduces warping and distortion in joined aluminum parts. Invented at Helmholtz-Zentrum Geesthacht (HZG) in Germany, RFSSW is rapidly gaining traction in Aerospace and Automotive applications. Bond Technologies has taken the lead in advancing RFSSW technology, developing a robust RFSSW machine that surpasses performance expectations, making it a superior alternative to traditional riveting in many applications.