This video demonstrates the MTI Model LS-1 friction stir welding machine applying 6.7 kN of welding force to produce continuous, high-quality friction stir welds across a steel plate several meters long.
It highlights how the FSW process uses a rotating pin tool to generate frictional heat and mechanically “stir” materials together along the bond line. The result? Strong, solid-state joints without melting the base metals. This capability makes the LS-1 well-suited for research and development, especially when exploring optimal bimetallic applications, geometries, and material combinations.
To learn more about the technology behind this process, visit our Friction Stir Welding Technology page.