en.Wedoany.com Reported - Rosatom's Fuel Division, under its "Additive Technologies" business line, showcased 3D-printed products including an aircraft engine impeller and an automobile engine piston manufactured using Selective Laser Melting (SLM) technology at the "Rosmould 2026" exhibition and the concurrent Additive Technology Forum held in Moscow in June 2026. These products were printed using the self-developed RusMelt-300M SLM printer at Rosatom's Moscow Additive Technology Center.
The exhibition also featured a spacer grid for nuclear fuel assemblies—a product composed of polyhedral cells with complex shapes arranged in strict parallel alignment. Traditional manufacturing methods involve cutting, bending, and brazing small metal parts, requiring at least several months of purely manual labor. However, at Rosatom's Additive Technology Center, printing such a grid takes only 10 to 11 hours, with the finished product conforming as closely as possible to design specifications. Also attracting attention were integrally structured components with complex geometries, such as a debris filter for the fuel assembly structure of next-generation reactors. The classic structure manufactured using traditional methods consists of 55 parts, while the 3D-printed component is formed in one piece without any welds, reducing production time severalfold and generating almost no waste.
At the booth of partner company RangeVision, a new "Proton" 3D scanner was demonstrated, integrated into a robotic system with an accuracy of up to 5 microns, used for geometric inspection and quality control of additively and conventionally manufactured products. Ilya Kavelashvili, Director of the "Additive Technologies" business line at Rosatom's Fuel Division, stated that the company is systematically building an industrial ecosystem where additive technologies operate not in isolation but in coordination with digital models, production, and product certification. The Rosmould exhibition is Russia's only specialized trade fair focused on molding process equipment, held in Moscow since 2006.
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