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http://dx.doi.org/10.3744/SNAK.2021.58.5.294

A Case Study on the Sustainability for a Stanchion of Recreational Crafts based on the Design for Additive Manufacturing Using a FFF-type 3D Printer  

Lee, Dong-Kun (Department of Naval Architecture and Ocean Engineering, Mokpo National Maritime University)
Park, Bon-Yeong (Department of Ocean System Engineering, Graduate School, Mokpo National Maritime University)
Publication Information
Journal of the Society of Naval Architects of Korea / v.58, no.5, 2021 , pp. 294-302 More about this Journal
Abstract
In this study, the 3D printing technique called design for additive manufacturing (DfAM) that is widely used in various industries was applied to marine leisure ships of equipment. The DfAM for the stanchion for crew safety was applied to the equipment used in an actual recreational craft. As design constraints, the design alternatives were not to exceed the safety and weight of the existing stainless steel material, which were reviewed, and the production of a low-cost FFF-type 3D printing method that can be used even in small shipyards was considered. Until now, additive manufacturing has been used for manufacturing only prototypes owing to its limitations of high manufacturing cost and low strength; however, in this study, it was applied to the mass production process to replace existing products. Thus, a design was developed with low manufacturing cost, adequate performance maintenance, and increased design freedom, and the optimal design was derived via structural analysis comparisons for each design alternative. In addition, a life-cycle assessment based on the ISO 1404X was conducted to develop sustainable products. Through this study, the effectiveness of additive manufacturing was examined for future applications in the shipbuilding industry.
Keywords
Design for additive manufacturing; Equipment of recreational crafts; Fused filament fabrication;
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