Journal of Korean Institute of Industrial Engineers (대한산업공학회지)

Korean Institute of Industrial Engineers (대한산업공학회)
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A Study on Operational Strategies for Footwear Manufacturing Systems

신발 제조 시스템 운영 전략에 관한 연구

  • Kwon, Oh Hun (Pukyong National University Graduate School of Management of Technology) ;
  • Koo, PH (Pukyong National University Division of Systems Management and Engineering)
  • 권오훈 (부경대학교 기술경영전문대학원) ;
  • 구평회 (부경대학교 시스템경영공학부)
  • Received : 2016.07.11
  • Accepted : 2016.11.28
  • Published : 2016.12.15
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Abstract

In footwear manufacturing systems, the upper parts of the shoes are manually sewed on a sub-line while bottom parts are produced by machines such as injection and molding machines on a sub-line before these two parts are combined into complete shoes on a final assembly line. The manual operations for the upper parts lead to a large variability in processing times, resulting in higher work-in-process inventory. In most footwear industries, production lines have been controlled by MRP-based push systems. Some industries attempt to introduce Kanban-based pull systems. This paper identifies the characteristics of the footwear manufacturing processes, and discusses the problems of the current control systems. As an operational alternative, a CONWIP-based control strategy is presented. Simulation experiments are performed to examine the performance of the control strategies.

Keywords

References

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