MGA announces: First additively manufactured safety-relevant component in the railway sector approved in a joint collaboration!

(PresseBox) ( Berlin, )
The working group Approval of the network Mobility goes Additive e.V. has obtained the first-time approval for operational use of an additively manufactured, safety-relevant component in the railway sector. The so-called "brake suspension link" of the brake unit of a metro is now in use at Hamburger Hochbahn AG.

Headed by Siemens Mobility GmbH under participation of its members Deutsche Bahn AG, the Fraunhofer IAPT and IGCV facilities, Hamburger Hochbahn AG, Knorr-Bremse Systeme für Schienenfahrzeuge GmbH, Photon AG, SBB Cargo AG and TÜV SÜD Product Service GmbH, the Approval working group commenced their work in February 2017. In just under two years its goal to obtain a first-time approval for the operational use of an additively manufactured, highly stressed and safety-relevant component has been achieved. Following a jointly developed approval concept, the suitability of the 3d printed component for real-life has successfully been demonstrated. The necessary quality assurance procedures, extensive tests and corresponding documentations were finally assessed by TÜV Süd Rail GmbH and approved.

After operational approval by the Hamburg Technical Supervisory Authority in accordance with BOStrab, Hamburger Hochbahn AG commissioned the system in August 2019. The light rail vehicle design and operating regulations, short BOStrab, regulate the design and operation of trams and other urban railway vehicles in Germany. Based on this innovative precedent for the railway industry, a standard for future approvals shall be developed in order to increase the application possibilities of additively manufactured components / spare parts in the railway sector.
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