Journal of Korean Institute of Industrial Engineers (대한산업공학회지)

Korean Institute of Industrial Engineers (대한산업공학회)
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Economic Analysis Model for Substituting VNA Truck in Distribution Centers

물류센터에서 VNA 지게차로 대체시 경제성 분석모형

  • Kim, Tae-Seong (Department of Industrial Engineering, Ajou University) ;
  • Kim, Cho-Won (Department of Industrial Engineering, Ajou University) ;
  • Rim, Suk-Chul (Department of Industrial Engineering, Ajou University)
  • 김태성 (아주대학교 산업공학과) ;
  • 김초원 (아주대학교 산업공학과) ;
  • 임석철 (아주대학교 산업공학과)
  • Received : 2012.10.04
  • Accepted : 2012.12.07
  • Published : 2013.02.15
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Abstract

VNA(Very Narrow Aisle) forklift trucks require narrower aisle width than traditional counter-balanced trucks do because only the fork assembly turns in the aisle instead of the entire body of the truck. Substituting the VNA trucks for the existing counter-balanced trucks will result in the significant increase of revenue due to the increased storage capacity in the distribution centers. In this study, we present an economic analysis model for the substitution, in which we present a closed-form equation for the number of racks to stay unmoved, while maximizing the additional storage capacity; and resulting payback period of the substitution. A case study shows the payback period of only 8.1 months, indicating that this substitution is very profitable.

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References

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