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German Railway Operator Deutsche Bahn Marks 10 Years of 3D Printing
Deutsche Bahn (DB) is celebrating ten years of 3D printing, highlighting how the technology has moved from experimental use to a core pillar of its maintenance and supply chain strategy. Since 2015, the German rail operator has expanded its additive…
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Deutsche Bahn (DB) is celebrating ten years of 3D printing, highlighting how the technology has moved from experimental use to a core pillar of its maintenance and supply chain strategy. Since 2015, the German rail operator has expanded its additive manufacturing ecosystem to more than 200,000 printed parts used across more than 1,000 applications, making it one of the most advanced rail-related AM programs in the world.
What began with simple plastic components has evolved into a wide portfolio of functional tools, interior fittings, electronic test rigs, and heavy-duty metal parts. Early success with basic items such as coat hooks encouraged DB to digitize more of its spare parts library, ultimately creating the Digital Warehouse, a central database that now contains over 1,000 component designs ready for on-demand production.
A 3D printed 540-kilogram gearbox housing that is used for DB’s shunting locomotives.
The range of printed parts illustrates how deeply the technology is integrated into DB’s operations. Maintenance teams regularly produce custom test fixtures, such as the printed circuit board testing assembly for ticket validators created by DB Kommunikationstechnik. They also manufacture handrail signs with braille, enabling rapid replacement of accessibility-related components without waiting for external suppliers. On the heavy-duty side, DB has successfully produced a 540-kilogram gearbox housing for shunting locomotives, demonstrating that large structural components can also be manufactured additively when conventional supply chains fall short.
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