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http://dx.doi.org/10.7742/jksr.2020.14.7.891

A Study on the Effect of FFF 3D Printer Nozzle Size and Layer Height on Radiation Shield Fabrication  

Yoon, Joon (Department of Radiological Science, Dongnam health University)
Yoon, Myeong-Seong (Department of Radiological Science, Dongnam health University)
Publication Information
Journal of the Korean Society of Radiology / v.14, no.7, 2020 , pp. 891-898 More about this Journal
Abstract
As the problem of shields made of lead has recently emerged, research on replacement shields is essential, and studies on the manufacture of diagnostic X-ray shields with 3D printers are also being actively conducted. Recently, with the development of metal mixed filaments, it has become possible to manufacture shielding materials easily, but studies on the nozzle size and output setting of 3D printers are insufficient. Therefore, this study aims to compare and analyze the results through a shielding rate experiment using a brass filament and a 3D printer, outputting the shield according to the nozzle size and layer height, and using a diagnostic radiation generator. The nozzle size was changed to 0.4, 0.8 mm, layer height 0.1, 0.2, 0.3, 0.4 mm, and output. The shielding rate test was fixed at 40 mAs, and the shielding rate was analyzed by experimenting with 60, 80, and 100 kVp, respectively. As a result of the analysis, it was analyzed that the printing time could be reduced to 1/10 according to the nozzle size and the layer height, and the shielding rate could be increased by 1% or more.
Keywords
3D printer; Brass filament; Nozzle size; Layer height; Printing time;
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Times Cited By KSCI : 14  (Citation Analysis)
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