Using PBF-LB, CFK produces Braille handrail signs, as reported by 3DPrinting.com.


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CFK CNC-Fertigungstechnik Kriftel GmbH, a German company specializing in CNC manufacturing, recently secured a contract with Deutsche Bahn to produce braille handrail signs for German rail systems. This collaboration, in partnership with Schilderwerk Beutha, aims to improve navigation for visually impaired individuals in train stations.

To achieve this goal, CFK is utilizing Laser Beam Powder Bed Fusion (PBF-LB) technology. This additive manufacturing technique allows CFK to create custom handrail signs with braille and various messages. The length of the signs can be adjusted within a single manufacturing cycle, providing flexibility and efficiency.

One crucial aspect of this process is the use of the aluminum alloy Aheadd CP1 from Constellium. This particular alloy enables CFK to quickly manufacture the handrail signs while maintaining high quality standards. By incorporating this approach, CFK can reduce additive manufacturing part costs and improve the effectiveness of the final product.

Arvid Eirich from Deutsche Bahn emphasizes the importance of industry specialists developing customized 3D printing solutions. This ensures that users can have confidence in the additive manufacturing outputs. The successful implementation of such solutions could potentially accelerate the adoption of digital fabrication across various industries.

CFK’s Additive Manufacturing division has been experimenting with the Aheadd CP1 alloy since 2021, particularly in situations where traditional materials do not meet performance requirements. Christoph Over, CEO of CFK, believes that the introduction of this alloy enhances the performance of their products in different aluminum applications. This innovation can also benefit other transportation entities looking for solutions to assist disabled individuals.

The use of additive manufacturing to create braille handrail signs demonstrates the potential of 3D printing technology in improving accessibility and inclusivity. CFK’s partnership with Deutsche Bahn and Schilderwerk Beutha is a significant step towards creating a more accessible environment for visually impaired individuals in train stations.

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