The world's first part, designed for a nuclear power plant, was printed and installed by Siemens experts in Slovenia. Now at Krško NPP there is a fully functional fire pump impeller, created using 3D printing technology.
The old part was installed at the station in 1981, so the need to replace it was long overdue, but it was rather difficult to do, because the manufacturer of original spare parts no longer exists. Therefore, Siemens engineers produced a three-dimensional virtual copy, which was then printed on one of their factories. After the impeller was manufactured, it was tested for several months to ensure its suitability before installation. The results are impressive, because the printed part has surpassed the original in its properties.
Siemens launched an additive printing plant in 2009. Since then, many useful products have been rolled off its conveyor. Last year, for example, there were printed parts for gas turbines, which were then installed at one Czech power plant.
The article is based on materials .
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