World’s first Class approved 3D printed ship’s propeller
Following a rigorous testing process, verified by Bureau Veritas, the world’s first Class approved 3D printed ship’s propeller, the WAAMpeller, has been unveiled at Damen Shipyard Group’s headquarters in the Netherlands.
This ground-breaking success is the result of a close collaboration between RAMLAB, Promarin, Autodesk, Bureau Veritas and Damen. The five-company partnership started pooling their collective resources and knowledge to develop the world’s first 3D printed ship’s propeller seven months ago. Promarin provided the design of the triple-blade propeller. The Port of Rotterdam’s RAMLAB (Rotterdam Additive Manufacturing LAB) carried out fabrication using Wire Arc Additive Manufacturing (WAAM) techniques, supported by Autodesk’s expertise in software, robotics and additive manufacturing.
Damen provided Research and Development resources in addition to one of its Stan Tug 1606 vessels for operational testing purposes. Bureau Veritas’ role was to verify the entire development, production and testing process.
The consortium reached its first milestone in August with the completion of the first WAAMpeller prototype. With valuable experience gained, production of the second version, with the aim of achieving class certification, started immediately.
Martijn Nieuwenhuijs, Chief Executive of Bureau Veritas Marine & Offshore Netherlands comments: “Bureaus Veritas has witnessed every step of the making and testing of the WAAMpeller. Some challenges needed to be tackled along the way, but the final product is technically sound and ready for commercial application.”
“Production of the second WAAMpeller was greatly improved because we had learned a lot from producing the prototype,” says Vincent Wegener, Managing Director RAMLAB. “This mainly concerned the hardware/software interaction because, when laying down 298 layers of Nickel Aluminium Bronze alloy, it is important to have a tight control on all process parameters.”
With the second WAAMpeller complete, the project then progressed to the testing stage, the first phase of which saw the WAAMpeller installed on a Damen Stan Tug 1606. “This particular vessel is of extra interest in that it is equipped with a Tier III compliant engine, making it future proof for the ever stricter environmental rules and regulations in harbours around the world,” commented Martin de Bruijn, Managing Director Workboats at Damen.
Damen’s testing engineers performed operational testing of the WAAMpeller, with representatives from all of the consortium partners present and oversight by Bureau Veritas surveyors throughout.
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