en.Wedoany.com Reported - The PIONEER project, funded by the EU's Horizon Europe program and involving 17 partners, has concluded successfully. Launched in 2023, the project was dedicated to establishing an open and interoperable digital pipeline for advanced manufacturing. A core highlight was the application of Wire Arc Additive Manufacturing (WAAM) technology, led by the Dutch company MX3D. This successfully developed high-performance, load-bearing hybrid steel structures for the civil engineering industry. It demonstrated that a digitally optimized workflow can significantly enhance the mechanical performance of traditional building components without adding material redundancy.
The Wire Arc Additive Manufacturing process employed by MX3D falls under Directed Energy Deposition (DED) technology. It uses a robotic arm to control an electric arc that melts metal wire, achieving high deposition rates and exceptional geometric freedom. Within the PIONEER project framework, MX3D collaborated closely with Imperial College London to establish a comprehensive workflow covering hybrid design, manufacturing, and approval. The core strategy involves depositing WAAM components directly onto standard rolled steel sections (such as square tubes or I-beams), achieving "slimming and efficiency enhancement" for the overall structure through localized reinforcement.
The data from several use cases showcased by the project is remarkable: When producing high-performance hybrid joints, depositing steel onto standard square tubes using WAAM technology increased the average load-bearing capacity by 300% with only a 100% increase in material. In another reinforcement test for I-beam girders, the hybrid structure increased its load-bearing capacity by 35% with only a 5-16% increase in weight. Furthermore, the team successfully produced and assembled a 10-meter-long load-bearing truss containing 22 3D-printed nodes, all printed correctly on the first attempt thanks to the digital workflow.
Professor Pinelopi Kyvelou from Imperial College London pointed out that the PIONEER project not only demonstrates a performance leap but also validates the reliability and consistency of hybrid WAAM technology in structural engineering. MX3D's R&D Manager, Filippo Gilardi, believes that with the maturation of integrated digital workflows, 3D scanning, and intelligent toolpath planning, Wire Arc Additive Manufacturing is ready to transition from pilot projects to broader industrial infrastructure applications. This achievement heralds a new, more sustainable development phase for the construction industry, characterized by lighter, stronger, and highly digitalized structures.
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