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

Written by David

February 10, 2019

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 with the aim of reducing the environmental impact of ships, as part of the Horizon 2020 (H2020) project, RAMSSES (Realization and Demonstration of Advanced Material Solutions for Sustainable and Efficient Ships). The goal of the collaborative program RAMSSES is to demonstrate the benefits of advanced material solutions in shipbuilding for environmentally efficient ship designs. With funding from the European Commission, Centrale Nantes and Naval Group are leading the project on the production of innovative propeller demonstrators to improve the operational capabilities of ships. Patrice Vinot, Propeller Package Manager for the RAMSSES project, […]


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