Methods for Redesigning Product Spatial Configuration to Simplify a Selective Disassembly Sequence for Green Design
Date Issued
2010
Date
2010
Author(s)
Chen, Wei-Ta
Abstract
In the current business market, the life-cycle of most products is getting short, due to severe market competition, advances in technology and variety of available products. Product wastes increases dramatically because more products are manufactured. In the era of rising environmental awareness, products are made not only with quantity but also with quality. High quality green products possess longer life-cycle and reduce environmental impacts at theirs end-of-life stage. In this research, a method framework for redesigning product spatial configurations for a given selective disassembly sequence is proposed. The framework mainly contains two redesign methods: redesigning of components, and clustering design of components for disassembly. Design for disassembly guidelines are also introduced as the basic reference principals of the redesign methods. Product design engineers can analyze and redesign an existing product spatial configuration to simplify the steps needed to selectively disassemble the target components or modules using the developed methods. In addition, design constraints concerning input and output functions among components, such as specific required relationships among parts, are considered so that the original function of products will not change. Besides, a method for green assessment is provided to evaluate the green performance of products. Thus, product design engineers can examine the arrangement of components for different end-of-life options and level of difficulty in end-of-life treatments. A controller assembly is used as a case study to show how these methods performed to the product spatial configuration redesign.
Subjects
Redesign method
Product spatial configuration
Design for disassembly
Simplification of disassembly
Green assessment
Selective disassembly sequence
SDGs
Type
thesis
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