Resources Recycling (자원리싸이클링)

The Korean Institute of Resources Recycling (한국자원리싸이클링학회)
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Standard Process Design of Remanufacturing of LPG Vaporizer by using FMEA

FMEA를 이용한 LPG 기화기의 재제조 표준공정 설계

  • Mok, Hak-Soo (Department of Industrial Engineering, Pusan Univ.) ;
  • Song, Hyun-Su (Department of Industrial Engineering, Pusan Univ.) ;
  • Kim, Deuk-Jung (Department of Industrial Engineering, Pusan Univ.) ;
  • Hong, Jin-Eui (Department of Industrial Engineering, Pusan Univ.) ;
  • Lee, Seung-Min (Department of Industrial Engineering, Pusan Univ.) ;
  • Ahn, Jung-Tae (Department of Industrial Engineering, Pusan Univ.)
  • 목학수 (부산대학교 산업공학과) ;
  • 송현수 (부산대학교 산업공학과) ;
  • 김덕중 (부산대학교 산업공학과) ;
  • 홍진의 (부산대학교 산업공학과) ;
  • 이승민 (부산대학교 산업공학과) ;
  • 안정태 (부산대학교 산업공학과)
  • Received : 2014.11.07
  • Accepted : 2014.12.15
  • Published : 2014.12.31
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Abstract

This paper present a improved process for remanufacturing of LPG vaporizer through Failure Mode and Effect Analysis(FMEA). Based on the failure causes analysis and classification of faults that occur after the initial failure of LPG vaporizer remanufacturing, suggests improvements for high R.P.N. Derive the improvement for higher cumulative frequency of each process, proposes the overall improvement of a current process for establish a standard LPG remanufacturing process.

본 논문에서는 LPG기화기의 재제조 공정 이후 발생할 수 있는 초기 고장에 대한 문제점을 최소화하기 위해, LPG 기화기의 동작 특성을 파악하고, 고장 분류를 통해 고장 현상에 따른 원인을 분석하였다. 또한, LPG 기화기의 재제조 단위 공정 및 부품에 대한 FMEA를 작성하였다. 각각의 단위 공정 및 부품에 대한 잠재적 고장 원인 및 고장 유형에 대한 심각도, 검출도, 발생도를 결정하고, R.P.N을 확인 후, 기준을 초과하는 공정 또는 부품에 대한 개선안을 제안하였다. 공정별 많은 누적빈도를 보이는 재제조 공정을 결정하고, 포괄적 개선안을 제시함으로써, LPG기화기의 표준공정을 설계하기 위한 개선안을 제안한다.

Keywords

References

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