Naval Group started using additive manufacturing (3D printing) to produce naval propulsion systems parts up to 6 tons in weight and 4 meters in diameter. Naval Group already manufactured a new-generation propeller thanks to a metal 3D printing process. The propeller is now fitted aboard a French Navy Tripartite-class minehunter.
This propeller is a first step. A new development phase will begin, aimed at revamping the detailed design of other parts so that they benefit from 3D printing (acoustic discretion, weight reduction, increased productivity of the parts). For example, 3D-printed production of thrusters will provide ships with greater efficacy at sea: increased thrust efficiency, stealth and lightening.
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In the Summer of 2020, Naval Group gave Naval News an exclusive access to its site of Indret (near Nantes, in Western France) which specializes in the production of naval propulsion systems.
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