Reliability Modeling in Design for Remanufacture

[+] Author and Article Information
L. H. Shu

Department of Mechanical & Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, Ontario, Canada M5S 3G8

W. C. Flowers

Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Room 3-439, Cambridge, MA 02139

J. Mech. Des 120(4), 620-627 (Dec 01, 1998) (8 pages) doi:10.1115/1.2829324 History: Received May 01, 1996; Revised July 01, 1998; Online December 11, 2007


Remanufacture involves the disassembly, cleaning, and replacement or refurbishment of worn parts of products at the end of life. Since the essential goal of remanufacture is part reuse, the reliability of components is important. The goal of this work is to consider reliability effects on life-cycle costs to enable design for reuse. A reliability model is developed to better describe systems that undergo repairs performed during remanufacture or maintenance. This model allows replacement components to be of a type different from the original components. The behavior, preliminary experimental validation, and application of the model to an example are presented.

Copyright © 1998 by The American Society of Mechanical Engineers
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