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

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Development of Fault Diagnosis Technology Based on Spectrum Analysis of Acceleration Signal for Paper Cup Forming Machine

가속도 신호의 주파수 분석에 기반한 종이용기 성형기 구동축 고장진단 요소기술 개발

  • Jang, Jaeho (Department of Mechanical System Engineering, Kumoh National Institute of Technology) ;
  • Ha, Changkeun (Department of Mechanical System Engineering, Kumoh National Institute of Technology) ;
  • Chu, Baeksuk (Department of Mechanical System Engineering, Kumoh National Institute of Technology) ;
  • Park, Junyoung (Department of Mechanical Design Engineering, Kumoh National Institute of Technology)
  • 장재호 (금오공과대학교 기계시스템공학과) ;
  • 하창근 (금오공과대학교 기계시스템공학과) ;
  • 주백석 (금오공과대학교 기계시스템공학과) ;
  • 박준영 (금오공과대학교 기계설계공학과)
  • Received : 2016.10.26
  • Accepted : 2016.11.10
  • Published : 2016.12.30
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Abstract

As demand for paper cups markedly increases, this has brought about a requirement to develop fast paper cup forming machines. However, the fast manufacturing speed of these machines causes faults to occur more frequently in the final product. To reduce the possibility of producing faulty products, it is necessary to develop technologies to monitor the manufacturing process and diagnose the machine status. In this research, we selected the main driving axis of the forming machine for fault diagnosis. We searched the states of rotational elements related to the driving axis and suggested a fault diagnostic system based on spectrum analysis consisting of a real-time data acquisition device, accelerometers, and a diagnosis algorithm. To evaluate the developed fault diagnostic system, we performed experiments using a test station which resembles the actual paper cup forming machine. As a result, we were able to confirm that the proposed system was sufficiently feasible to diagnose any abnormalities in the operation of the paper cup forming machine.

Keywords

References

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