Naval Group and Centrale Nantes use WAAM to 3D print the world’s first hollow propeller blade

Naval Group, a French company focusing on naval defence, and Centrale Nantes engineering school have 3D printed the first hollow propeller blade demonstrator. Sirenha, a Centrale Nantes spin-off and subsidiary of Naval Group, helmed the design of the blade. It was manufactured using the Wire Arc for Additive Manufacturing (WAAM) process. The blades were produced […]