Journal of the Korea Convergence Society (한국융합학회논문지)

Korea Convergence Society (한국융합학회)
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Development of 3D printer heating block using clad plate material

클래드 판재를 사용한 3D 프린터 히팅 블록 개발

  • Won, Dae-Hee (Department of Smart Automobile Engineering, Wonkwang University)
  • 원대희 (원광대학교 창의공과대학 스마트자동차공학과)
  • Received : 2017.02.28
  • Accepted : 2017.04.20
  • Published : 2017.04.28
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Abstract

In this study, the design analysis and the explosion welding were made into a clad sheet by the convergence method in order to solve the problem of heat transfer to the guide due to the heating of the 3D printer heating block. The shear strength of the clad plate material was tested and the results were analyzed by thermal analysis, thermal conductivity and thermal imaging. The following conclusions were obtained. 3D modeling of the heating block made of copper and titanium clad plate material The thermal analysis showed that the surface temperature of the filament guide area was lower than the heating block surface temperature. The average shear strength of copper and titanium clad plate material was measured and the average value of 195.6MPa was obtained. The thermal conductivity of the heating block made of copper and titanium clad plate material was measured three times and the average value was $62.52W/m{\cdot}K$. The surface temperature of the heating block made of copper and titanium clad plate material was measured by a thermal imaging camera at a maximum of $107.3^{\circ}C$ and $183.2^{\circ}C$ at the filament guide. The temperature distribution was $89^{\circ}C$ lower than that of the existing filament.

이 연구에서는 3D 프린터 히팅 블록의 발열로 인해 가이드로 열이 전달되어 필라멘트가 녹는 문제점을 개선하기 위해 설계 해석과 폭발압접을 융합한 방법으로 클래드 판재를 만들었다. 클래드 판재에 대한 전단 강도시험을 하였으며, 히팅 블록으로 가공한 다음 열 해석, 열전도도, 열화상 측정 결과 다음과 같은 결론을 얻었다. 구리와 타이타늄 클래드 판재로 만든 히팅 블록에 대하여 3D 모델링 열 해석 한 결과 필라멘트 가이드 부위의 표면온도가 히팅 블록 표면온도 보다 낮은 온도가 예측되었다. 구리와 타이타늄 클래드 판재로 만든 다음 전단 강도를 측정한 결과 평균 195.6MPa 값을 얻었다. 구리와 타이타늄 클래드 판재로 만든 히팅 블록에 대하여 열전도도를 3회 측정한 결과 평균 $62.52W/m{\cdot}K$값을 나타내었다. 구리와 타이타늄 클래드 판재로 만든 히팅 블록에 대하여 열화상 카메라로 표면 온도를 측정한 결과 최대 $107.3^{\circ}C$ 측정되었으며, 필라멘트 가이드 부근에서는 $183.2^{\circ}C$ 측정되었다. 기존 필라멘트의 부위의 온도 보다 $89^{\circ}C$ 낮은 온도 분포를 보였다.

Keywords

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