The U.S. Navy’s Naval Sea Systems Command (NAVSEA) has approved the first 3D printed part, a prototype drain strainer orifice (DSO) assembly, for shipboard installation.
“This install marks a significant advancement in the Navy’s ability to make parts on demand and combine NAVSEA’s strategic goal of on-time delivery of ships and submarines while maintaining a culture of affordability,” said Rear Admiral Lorin Selby, NAVSEA Chief Engineer and Deputy Commander for Ship Design, Integration, and Naval Engineering.
Prototype - Drain - Strainer - Orifice - DSO
The 3D printed prototype drain strainer orifice (DSO) assembly component. Photo via NAVSEA.
NAVSEA, the largest of the U.S. Navy’s five systems commands, builds, buys and maintains naval ships, submarines, and combat systems to “meet the fleet’s current and future operational requirements.” With this responsibility, the command has previously integrated new technologies such as additive manufacturing to advance overall ship maintenance.
Command - Bolt - Anti-rotation - Tool - Frames
The command has 3D printed a tie bolt anti-rotation tool used for fixing structurally supportive frames and trusses, an F-35 stealth fighter landing gear door component, and flip-top valves for oxygen masks worn by Naval aircraft crews. With experience in plastic materials, Huntington Ingalls Industries – Newport News Shipbuilding (HII-NNS), manufacturers of Navy aircraft carriers, proposed installing a prototype metal DSO assembly on the USS Harry S. Truman (CVN 75) ship for test and evaluation.
“By targeting CVN 75 [USS Harry S. Truman], this allows us to get test results faster, so-if successful-we can...
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