Parts Clustering and Grouping Based on Manufacture Resource

There are a lot of changeovers in the multi-item and small lot size production mode,which leads to a longer setup time and influences productivity significantly.In order to shorten the setup time,a new part clustering method of grouping genetic algorithm based on manufacturing resource was proposed.First,the manufacturing resources required by the processing of the parts were classified,and each kind of resource contained some sub-item resource.The 0-1integer coding was used to express the possession status of manufacturing resource.Then,according to the different influences of manufacturing resource on the setup time,the weights of core and general manufacturing resources were obtained,the similarity of the parts was calculated by Jaccard coefficient,and the parts were clustered by using the grouping genetic algorithm.The results of a computational experiment,taking the parts of M aerospace fastener enterprises as an example,show that the grouping genetic algorithm is superior to the hierarchical clustering