Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
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Development of Headforms for the Labor Population in Selection, Use and Maintenance of Respirators in Korea

호흡보호구의 선정, 사용 및 관리를 위한 한국형 노동인구의 인두 개발

  • Jung-Keun Park (Institute for Scientific Technology, Taewon Sibata Ltd.) ;
  • Se-Dong Kim (Occupational Safety and Health Research Institute, Korea Occupational Safety and Health Agency) ;
  • Eun-Ji Lee (Occupational Safety and Health Research Institute, Korea Occupational Safety and Health Agency)
  • 박정근 (태원시바타(주) 기술연구소) ;
  • 김세동 (한국산업안전보건공단 산업안전보건연구원) ;
  • 이은지 (한국산업안전보건공단 산업안전보건연구원)
  • Received : 2024.08.26
  • Accepted : 2024.09.27
  • Published : 2024.09.30
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Abstract

Objective: This was to develop headforms for the labor population, based on a three-dimensional(3D) face dimensions data base(DB) and a principal component analysis(PCA) fit test panel, in selection, use and maintenance of respirators in Korea. Methods: This study was part of a two-year-project initiated in 2021. The study was designed and conducted in line with ISO 16976-2 while subjects were those employed in the development of the PCA fit test panel. The approaches included literature review; examination on conformity of the 3D face dimensions DB; and development of headforms representing the labor population. The mean data were used in order to construct each model of the headforms through a way of 3D modeling and 3D printing technology. Results: A total of 2,752 subjects were determined. Five models of headforms(small, medium, large, long-narrow, short-wide) were completely constructed for the labor population. For example, means of the 10 face dimensions for medium headform model were: minimum frontal breadth 106 mm, face width 136 mm, jaw width 127 mm, face length 111 mm, interpupillary distance 69 mm, head breadth 164 mm, nose protrusion 12 mm, nose breadth 34 mm, nasal root breadth 35 mm, and nose length 50 mm. Conclusions: Five models of headforms were newly constructed using the study data. It is likely desirable that the constructed headforms, together with the 3D face dimensions DB as well as the PCA fit test panel, can be utilized more effectively in selection, use and maintenance of respirators for users including the labor population.

Keywords

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