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Mobility goes Additive (MGA), a German-based network accelerating 3D printing within transport, has obtained first-time approval for use of an additively manufactured brake suspension link for trains. It is a highly-loaded part and works within the brake unit of a train and is now in use at Hamburger Hochbahn.
The MGA network’s Approval working group achieved the authorization. It is headed by Siemens Mobility under the participation of its members Deutsche Bahn, and the Fraunhofer IAPT and IGCV facilities. The group also includes Hamburger Hochbahn, Knorr-Bremse, Photon AG, SBB Cargo, and TÜV SÜD Product Service.
Mobility - Additive - Team - Brake - Suspension
The Mobility goes Additive team with the 3D printed brake suspension link component. Photo via Mobility goes Additive.
3D printed railway parts
MGA - Approval - Group - Development - Brake
MGA’s Approval working group commenced the development of the 3D printed brake suspension link in 2017. After a jointly developed approval concept, the suitability of the component for real-life was successfully tested and assessed by TÜV SÜD. The Hamburg Technical Supervisory Authority granted it with operational approval, leading to it being commissioned in August 2019.
BOStrab, responsible for the German Federal Regulations on the construction and operation of light rail transit systems, was also involved in the approval of the 3D printed part. As a result of this venture, a standard for future approvals will...
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