Design Approach for Additive Manufacturing of a Dynamically Functioning System: Lifeboat Hook
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- Design Approach for Additive Manufacturing of a Dynamically Functioning System: Lifeboat Hook
- Auyeskhan, Ulanbek; Kim, Namhun; Kim, Chung-Soo; Van Loi, Tran; Choi, Jihwan; Kim, Dong-Hyun
- Issue Date
- KOREAN SOC PRECISION ENG
- INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING-GREEN TECHNOLOGY, v.9, pp.1349 - 1367
- The design freedom provided by Additive Manufacturing (AM) enables the part consolidation (PC) of sophisticated mechanical assemblies. However, PC has been mainly performed for static components in assemblies with nonmoving parts. In this regard, a new approach to assembly-level Design for Additive Manufacturing (A-DfAM) considering an industrial lifeboat hook assembly with a functionally dynamic system is proposed. The methodology comprises steps starting from inputting the Computer-Aided Design (CAD) files for the 3D printing of the final assembly and evaluation. Throughout the design stages, opportunistic and restrictive natures of DfAM within our methodology direct engineers and designers to manufacture optimized products. In addition, a comparative assessment of the original and final assemblies is also illustrated. Consequently, a significant part-count reduction after PC was achieved, and the prototype of the lifeboat hook components was printed via laser-powder bed fusion (L-PBF). This shows that by incorporating the suggested A-DfAM framework, it can serve as a potential guide to whoever intends to manufacture dynamic assemblies.
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