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Polar Tankers trialed 3D printed parts on American flag ships

Shipowner ConocoPhillips Polar Tankers worked with ABS, Sembcorp and 3D Metalforge to install working 3D printed mechanical parts on the tanker Polar Endeavor equipped with the American flag.
Usually, the parts used in shipbuilding and repair are manufactured by casting or forging technology. For this project, the consortium used additive manufacturing (AM, also known as 3D printing) to manufacture three types of parts-gear sets and centrifugal pump shafts; nozzles for salt water/air jets; and full flexibility for sewage pumps Coupling. According to ABS, the rigorous testing process shows that 3D printed alternative products are of higher quality than traditionally manufactured products.
AM technology uses a print head on a small mechanical gantry to produce parts according to a digital CAD template, thereby constructing materials layer by layer. With the development of various systems and technologies on the market, the range of available metal printing materials is very wide, including stainless steel, maraging steel, bronze, Inconel and (for aerospace users) titanium. The small footprint of the 3D printer means that products and components can be manufactured locally (even on board), thus shortening delivery time. The additive method is particularly suitable for the manufacture of short production cycles and complex parts.
“ABS is proud to be able to support this practical project… This is a key development in technology that will undoubtedly play an important role in the future of the industry.” said Patrick Ryan, senior vice president of global engineering and technology ABS.
Other well-known 3D printing companies include a joint venture between Wilhelmsen’s aquatic products division and Thyssenkrupp (formerly ThyssenKrupp), which produces through AM Parts provide services to commercial marine customers. Clients include Berge Bulk, Carnival Maritime, Thome Ship Management, OSM Maritime Group, Administrative Ship Management and Wilhelmsen Ship Management.
Abhinav Singhal, director of ThyssenKrupp Innovations, said in a statement last year: “Our marine customers have responded very positively to the adoption of additive manufacturing.” “They are realizing the shortened delivery time. Cost reduction and spare parts supply chain have the advantage of greater flexibility. For the maritime industry, this will be a real game changer, and we are proud to be able to provide it with Williamson.”
The United States Naval Marine Systems Command (NAVSEA), Norfolk Naval Shipyard and Newport News Shipyard in Huntington Ingles have also taken steps to introduce 3D printed metal parts in the naval supply chain. Critical or obsolete parts of the target. As of October 2020, NAVSEA has approved a total of 182 3-D printable parts in its database, and more than 600 are undergoing engineering review.
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Post time: Mar-01-2021

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