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[학술저널]

적층제조공정에 관한 환경영향평가의 사례 연구

  • 학술저널

적층제조공정에 관한 환경영향평가의 사례 연구

Case Study of Different Additive Manufacturing (AM) Processes from Environmental Impact Assessment

권주연(울산과학기술원) 김남훈(울산과학기술원) 마정목(국방대학교)

DOI : 10.7736/KSPE.2019.36.4.431

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초록

The additive manufacturing (AM) process is known to have a major influence on environmental impact. To find out AM process with lower environmental impact in the product manufacturing process, this study compares material extrusion (Fused Deposition Modeling, FDM), powder bed fusion (Laser Sintering, LS) and material jetting processes (Poly-Jet, PJ) for 200 NIST test artifacts, using data from the specification and software of three 3D printers (J750, P770 and uPrint SE Plus), the findings from various literature and Ecoinvent of SimaPro 8.4 database. The results showed that the effects of materials on the environment were the severest for LS (20.45 Pts) and the least for FDM (10.38 Pts) although the effects of power consumption on the environment were severest for FDM (126.91 Pts) and least for LS (20.18 Pts). To reduce the emission to environment in PJ and FDM, it is recommended to improve their printing speed and reduce power consumptions of waterjet and auxiliary equipment for support removal.

목차

1. 서론
2. 연구 배경
3. 적층제조 공정이 환경에 미치는 영향: NIST표준 테스트 샘플의 사례 연구
4. 결과 및 고찰
5. 결론
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