Selective assembly is a means of obtaining higher quality product assemblies by using relatively low-quality components. Components are selected and classified according to their dimensions and then assembled. Past research has often focused on components that have normal dimensional distributions to try to find assemblies with minimal variation and surplus parts. This paper presents a multistage approach to selective assembly for all distributions of components and with no surplus, thus offering less variation compared to similar approaches. The problem is divided into different stages and a genetic algorithm (GA) is used to find the best combination of groups of parts in each stage. This approach is applied to two available cases from the literature. The results show improvement of up to 20% in variation compared to past approaches.
A Multistage Approach to the Selective Assembly of Components Without Dimensional Distribution Assumptions
Manuscript received January 16, 2018; final manuscript received March 20, 2018; published online May 14, 2018. Editor: Y. Lawrence Yao.
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Aderiani, A. R., Wärmefjord, K., and Söderberg, R. (May 14, 2018). "A Multistage Approach to the Selective Assembly of Components Without Dimensional Distribution Assumptions." ASME. J. Manuf. Sci. Eng. July 2018; 140(7): 071015. https://doi.org/10.1115/1.4039767
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