Remanufacturing presents tremendous potential for recovering the economic value of manufactured components, and improving the environment. Some design features make remanufacturing less expensive, and/or increase the proportion of components that can be remanufactured. For example, sacrificial components can be used to protect key parts from wear. However, tradeoffs are sometimes involved, and product designers need tools to support design for remanufacturing. This paper presents models for estimating the costs and environmental impacts of employing sacrificial components (cylinder liners) in engine blocks. These models are incorporated into a spreadsheet-based design decision tool. Three illustrative examples demonstrate that 1) remanufacturing lowers overall costs when two lifecycles are considered, 2) sacrificial cylinder liners should be employed for small (2 liter) engines, and their superiority increases with multiple remanufacturing cycles, and 3) for large engines (5.3 liter) using cylinder liners is equally preferred to not using them, with respect to both overall cost and environmental impacts.
- Design Engineering Division and Computers and Information in Engineering Division
Remanufacturing: Impacts of Sacrificial Cylinder Liners
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Krill, M, & Thurston, D. "Remanufacturing: Impacts of Sacrificial Cylinder Liners." Proceedings of the ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 3a: 8th Design for Manufacturing Conference. Chicago, Illinois, USA. September 2–6, 2003. pp. 107-116. ASME. https://doi.org/10.1115/DETC2003/DFM-48144
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