Research in Engineering Design

, Volume 10, Issue 1, pp 1–14 | Cite as

Quantitative evaluation of product disassembly for recycling

  • Ehud Kroll
  • Thomas A. Hanft


This paper presents a method for evaluating the ease-of-disassembly of products. Its primary use is in designing products for recycling, but it also facilitates consideration of servicing and maintenance, and making environmentally-related decisions. The method is developed and discussed in the context of relatively small products that can be disassembled by a seated person using hand-held tools. The evaluation procedure is centered around a spreadsheet-like chart and uses a catalog of task difficulty scores. The scores were derived from work-measurement analyses of standard disassembly tasks, and provide a means of identifying weaknesses in the design and comparing alternatives quantitatively. The structure of the evaluation chart and the derivation of difficulty scores are explained, followed by a demonstration of analyzing a computer central processing unit. The limitations of the method and future extensions are outlined.


Design for disassembly Design for recycling Concurrent engineering 


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Copyright information

© Springer-Verlag London Limited 1998

Authors and Affiliations

  1. 1.Department of Mechanical and Aerospace EngineeringUniversity of Missouri-Columbia/Kansas CityKansas CityUSA
  2. 2.Raytheon TI SystemsDallasUSA

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