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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국기계기술학회 한국기계기술학회지 한국기계기술학회지 제19권 제2호
발행연도
2017.1
수록면
249 - 254 (6page)

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초록· 키워드

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In this study, the heating block for 3D printer has a problem that heat is transferred to the filament guide portion to dissolve the filament, thereby preventing the filament from being discharged quickly out of the nozzle. In order to solve these problems, the cladding with different thermal conductivity was fabricated and the heating block was manufactured. The properties of the fabricated clad material and the surface temperature of the fabricated heating block were measured and the following conclusions were obtained. As a result of modeling thermal analysis of the heating block made of the clad material developed in this study rather than the existing heating block, the surface temperature of the filament guide portion was predicted to be lower than the surface temperature of the heating portion. The shear strength of the clad material developed in this study was measured and the average value of 82.8 MPa was obtained. The thermal conductivity of the existing heating block was 237W/m K at 300K. The thermal conductivity of the heating block made of the clad material ⋅ developed in this study was 81.416W/m K, which is lower than the conventional thermal conductivity. The ⋅ surface temperature of the heating block made of the clad material developed in this study is 172.3℃, which is lower than that of the conventional heating block. Future research is to evaluate the thermal distribution by using a metal with a lower thermal conductivity than carbon steel and by cladding pressure, evaluating the physical properties of the clad material, and fabricating it as a heating block.

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