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LR Certifies Keppel O&M for 3D Printing of Steel with LAAM-2020 China(Guangzhou)Int’l Metal & Metallurgy
Exhibition-metal exhibition
3/2/2020 金属展-冶金展-钢铁展-steel expo-metal &metallurgy expo- |
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Offshore rig design specialist Keppel Offshore & Marine has been granted certification by Lloyd’s Register to produce offshore-grade steel using Laser Aided Additive Manufacturing technology. The certification, which follows ASTM A131 requirements, will also impact Keppel O&M’s partners, the Nanyang Technological University Singapore and the A STAR Singapore Institute of Manufacturing Technology. With the certification from Lloyd’s Register, Keppel O&M will be able to utilize LAAM technology to accelerate its offshore production. That is, LAAM creates opportunities for printing high-value components for offshore products at faster rates and at a lower cost than traditional manufacturing techniques. The process can also help Keppel O&M to reduce its manufacturing carbon footprint and overcome resource constraints.
Keppel O&M’s LAAM technology was developed in collaboration with NTU Singapore and SIMTech, after the three parties partnered in 2016. The technology uses a high energy laser beam to deposit metal materials with precision. The process can be used to 3D print entire parts as well as to repair existing components or modify surfaces.
The recent certification process for LAAM technology consisted of a rigorous mechanical testing phase and an audit. In the former, NTU researchers conducted tests on over 50 sample parts 3D printed from offshore-grade steel. These parts were evaluated based on their material yield, tensile, elongation, fatigue and toughness properties. In the end, the steel 3D printed parts were found to exceed ASTM standards.
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