A two-dimensional vector packing model for the efficient use of coil cassettes

  • Authors:
  • Soo Y. Chang;Hark-Chin Hwang;Sanghyuck Park

  • Affiliations:
  • Department of Industrial Engineering, Division of Electrical and Computer Engineering, Pohang University of Science and Technology, Hyoja Dong San 31, Pohang, Kyungbuk 790-784, Republic of Korea;Department of Industrial Engineering, Chosun University, 375 Seosuk-Dong, Dong-Gu, Gwangju 501-759, Republic of Korea;Department of Industrial Engineering, Division of Electrical and Computer Engineering, Pohang University of Science and Technology, Hyoja Dong San 31, Pohang, Kyungbuk 790-784, Republic of Korea

  • Venue:
  • Computers and Operations Research
  • Year:
  • 2005

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Abstract

We consider the problem of efficiently packing steel products, known as coils, into special containers, called cassettes for shipping. The objective is to minimize the number of cassettes used for packing all the given coils where each cassette has capacity limits on both total payload weight and size. We model this problem as a two-dimensional vector packing problem and propose a heuristic. We also analyze the worst-case performance of the proposed algorithm under a special condition which, in fact, holds for the particular real-world case that we handled. Our computational experiment with real production data shows that the proposed algorithm performs quite satisfactorily in practice.