Digital rail maintenance center demonstrates the increasing influence of 3D printing on modern-day manufacturing

According to press reports, Siemens Mobility GmbH opened a digital rail maintenance center in Germany that will utilize three-dimensional (3D) printing, also referred to as “additive manufacturing.” The rail center will service approximately 100 trains every month. According to Michael Kuczmik, Siemens Mobility’s head of Additive Manufacturing, the use of 3D printing will “rapidly and cost-effectively produce one-off, customized production parts.”

According to sources, the shift to 3D printing at the digital rail maintenance center eliminates “the need for inventory of selected spare parts” and “reduce{s} the manufacturing time of these parts by up to 95%.” Historically, replacement parts were procured through traditional manufacturing methods such as casting, with lead times of up to six weeks. Such procurement methods also typically required high volume orders to be cost effective, which led to unnecessarily higher inventory levels. By using the digital rail maintenance center’s technology, the same parts may now be 3D printed in 13 hours, reducing the need to maintain a significant inventory.

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