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http://dx.doi.org/10.29049/rjcc.2022.30.3.403

Design of motion-adaptable 3D printed impact protection pad  

Park, Junghyun (Dept. of Clothing & Fashion, Paichai University)
Lee, Jinsuk (Dept. of Clothing & Textiles, Pusan National University)
Lee, Jeongran (Dept. of Clothing & Textiles, Pusan National University/Research Institute of Ecology, Pusan National University)
Publication Information
The Research Journal of the Costume Culture / v.30, no.3, 2022 , pp. 403-413 More about this Journal
Abstract
The purpose of this study was to develop a 3D mesh-type impact protection pad with excellent motion adaptability and functionality by applying 3D printing technology. The hexagonal 3D mesh, which constitutes the basic structure of the pad, comprises two types: small and large. The bridge connecting the basic units was designed as the I-type, V-type, IV-type, and VV-type. After evaluating the characteristics of the bridge, it was found that the V-type bridge had the highest flexibility and tensile elongation. The hip joint pad and knee pad were completed by combining the hexagonal 3D mesh structure with the optimal bridge design. The impact protection pad was printed using a fused deposition modeling-type 3D printer with a filament made of thermoplastic polyurethane material, and the protection pad's performance was evaluated. When an impact force of approximately 6,500N was applied to the pad, the force attenuation percentage was 78%, and when an impact force of approximately 8,000N was applied, the force attenuation percentage was 75%. Through these results, it was confirmed that the 3D-printed impact protection pad with a hexagonal 3D mesh structure connected by a V-shaped bridge developed in this study can adapt to changes in the body surface according to movement and provides excellent impact protection performance.
Keywords
motion-adaptable; 3D printing; 3D modeling; impact protection pad;
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Times Cited By KSCI : 7  (Citation Analysis)
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