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research-article

Development of Product Recyclability Index Utilizing Design for Disassembly

[+] Author and Article Information
Darshan Yadav

Department of Mechanical and Aerospace Engineering, Florida Institute of Technology, Melbourne, FL 32901
yadavd2015@my.fit.edu

Deep Patel

Department of Mechanical and Aerospace Engineering, Florida Institute of Technology, Melbourne, FL 32901
deep@my.fit.edu

Beshoy Morkos

Department of Mechanical and Aerospace Engineering, Florida Institute of Technology, Melbourne, FL 32901
bmorkos@fit.edu

1Corresponding author.

ASME doi:10.1115/1.4038515 History: Received July 25, 2017; Revised October 25, 2017

Abstract

Designing products for recyclability is driven by environmental and economic goals. Several Design for Assembly rules and parameters can be used to gauge the recyclability index of product designs. These indices can be used for comparative analysis of the recyclability of different products. This assists the designer in making design choices related to the end of the product's life cycle. However, many of the existing recyclability's indices are only available after design and manufacturing decisions are made. If such design decisions could be made earlier in the design process, when the design space is less bound, recyclability could be considered earlier. A case study is performed to determine if design for assembly parameters could be utilized to determine product recyclability. The parameters were obtained from existing Design for Assembly time estimate tables. The results of the study indicated the recyclability of the product, as defined by established recyclability metrics, could be predicted through design for assembly measures. A negative correlation was realized between recyclability and insertion time. Components that required greater time to mate during assembly adversely affected the recyclability of the product. Conversely, handing time was found to have no predictive capability to product recyclability. These findings are used to develop a recyclability index that utilizes the Design for Assembly measures, allowing designers and engineers to determine recyclability earlier in the design process.

Copyright (c) 2017 by ASME
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