Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Dimensional Characteristics according to Internal Density of Automotive Inner Ring in 3D Printing

3D 프린팅에서 자동차용 Inner ring의 내부밀도에 따른 치수 특성

  • Kim, Hae-Ji (Department of Automotive Engineering, Gyeongnam National University of Science and Technology) ;
  • Kim, Nam-Kyung (Department of Automotive Engineering, Gyeongnam National University of Science and Technology)
  • 김해지 (경남과학기술대학교 자동차공학과) ;
  • 김남경 (경남과학기술대학교 자동차공학과)
  • Received : 2019.10.01
  • Published : 2019.11.30
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Abstract

Reverse engineering involves duplicating a physical part by measuring and analyzing its physical dimensions, features, and material properties. By combining reverse engineering with three-dimensional (3D) printing, engineers can simply fabricate and evaluate functional prototypes. This design methodology has been attracting increasing interest with the advent of the Fourth Industrial Revolution. In the present study, we apply reverse engineering and 3D printing technologies to evaluate a fabricated automotive inner ring prototype. Through 3D printing, inner rings of various densities were prepared. Their physical dimensions were measured with a 3D scanning system. Of our interest was the effect of inner ring density on the physical dimensions of the fabricated prototype. We compared the design dimensions and physical dimensions of the fabricated prototypes. The results revealed that even the 20% density of inner ring was effective for 3D printing in terms of satisfying the design requirements.

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