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http://dx.doi.org/10.14775/ksmpe.2019.18.3.066

Strength Variation with Inter-Layer Fill Factor of FDM 3D Printer  

Kang, Yong-Goo (Department of Mechanical Design Eng., KIT UNIV.)
Kweon, Hyun-Kyu (Department of Mechanical System Eng., KIT UNIV.)
Shin, Geun-Sik (Department of Mechanical Design Eng., Graduate School KIT UNIV.)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.18, no.3, 2019 , pp. 66-73 More about this Journal
Abstract
Recently, FDM-type 3D printer technology has been developed, and efforts have been made to improve the output formability and characteristics further. Through this, 3D printers are used in various fields, and printer technologies are suggested according to usage, such as FDM, SLA, DLP, and SLM. In particular, the FDM method is the most widely used, and the FDM method technology is being developed further. The characteristics of the output are produced by the FDM-type 3D printer, which is determined by various factors, and particularly the perspective of the Inter-Layer Fill Factor, which is the volume ratio of the laminated material that exerts a direct influence. In this study, the Inter-Layer Fill Factor is theoretically obtained by presenting the internal space between each layer according to the laminate thickness as a cross-sectional shape model, and the cross section of the actual laminated sample is compared with the theoretical model through experiments. Then, the equation for the theoretical model is defined, and the strength change according to each condition (tensile strength of material, reduction slope, strength reduction rate, and output strength) is confirmed. In addition, we investigated the influence on the correlation and strength between laminate thickness and the Inter-Layer Fill Factor.
Keywords
3D Printer; Fused Deposition Modeling(FDM); Laminate Thickness; Inter-Layer Fill Factor;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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