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A two-dimensional bin packing problem with size changeable items for the production of wind turbine flanges in the open die forging industry

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  • Jongsung Lee
  • Byung-in kim
  • Andrew Johnson

Abstract

Efficient cutting design is essential to reduce the costs of production in the open die forging industry. This article discusses a slab cutting design problem that occurs when parallel piped items are cut from raw material steel slabs with varying widths and lengths to meet a volume requirement. The problem is modeled as a two-dimensional cutting stock problem or bin packing problem with size-changeable items. Cut loss and guillotine cut constraints are included. A knapsack-based heuristic algorithm is proposed and it is tested by a real-world manufacturer who is cutting steel for wind turbine flanges. The firm generates an annual cost reduction of approximately US $2000 000.

Suggested Citation

  • Jongsung Lee & Byung-in kim & Andrew Johnson, 2013. "A two-dimensional bin packing problem with size changeable items for the production of wind turbine flanges in the open die forging industry," IISE Transactions, Taylor & Francis Journals, vol. 45(12), pages 1332-1344.
    • Handle: RePEc:taf:uiiexx:v:45:y:2013:i:12:p:1332-1344
    DOI: 10.1080/0740817X.2012.725506
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