Abstract
The demands on assembly accuracy require accurate operations both in machining and assembly in order to achieve the high performance of products. Although advanced machining technologies can be used to satisfy most of the demands on precision assembly, the corresponding manufacturing cost will also be increased. Selective assembly provides an effective way for producing high-precision assembly from relatively low-precision components. The accuracy of selective assembly is mainly based on the number of groups and the range of the group (allocated equally on the design tolerance). However, there are often surplus parts in some groups due to the imbalance of mating parts, especially in the cases of undesired dimensional distributions, which makes the methods developed and reported in the literature, often not suitable for practice. In this work, a genetic algorithm is proposed by applying batch selective assembly method to a complex assembly with three mating components (as in ball bearing: an inner race, ball, and outer race), to minimize the surplus parts and thereby maximizing the manufacturing system efficiency.The proposed algorithm is tested with a set of experimental problem datasets and is found outperforming traditional selective assembly and sequential assembly methods, in producing solutions with maximum manufacturing system efficiency.
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Victor Raj, M., Saravana Sankar, S. & Ponnambalam, S.G. Genetic algorithm to optimize manufacturing system efficiency in batch selective assembly. Int J Adv Manuf Technol 57, 795–810 (2011). https://doi.org/10.1007/s00170-011-3326-2
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DOI: https://doi.org/10.1007/s00170-011-3326-2