Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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A study of correction dependent on process parameters for printing on a three-dimensional surface

3차원 곡면에 정밀 인쇄를 위한 공정 변수에 따른 이미지 보정에 관한 연구

  • 송민섭 (한국전력기술주식회사) ;
  • 김효찬 (한국과학기술원 기계공학과) ;
  • 이상호 (㈜ LG전자생산기술원) ;
  • 양동열 (한국과학기술원 기계공학과)
  • Published : 2006.02.01
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Abstract

In the industry, three-dimensional coloring has been needed for a realistic prototype. The Z-corporation developed a 3D printer which provides a three-dimensional colored prototype. However, the process cannot be adopted to models fabricated by other rapid prototyping processes. In addition, time and cost for manufacturing colored prototypes still remain to be improved. In this study, a new coloring process using an ink-jet head is proposed for color printing on a three-dimensional surface. Process parameters such as the angle and the distance between the ink-jet nozzle and the three-dimensional surface should be investigated through experiments. In order to minimize the distortion of a 2D image, the correction matrix according to the sloped angle is proposed and obtained by analysis of printing errors. An image on the doubly curved surface is printed so as to verify the proposed method. As a practical example, a helmet is chosen for printing images on the curved surface. The practical applicability of the correction matrix is then demonstrated by printing the character images on the surface of the helmet.

Keywords

References

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