F公司P類產(chǎn)品生產(chǎn)線混流改造研究
[Abstract]:With the development of economy and the change of consumer demand, the traditional single-variety mode of production no longer adapts to the development of market. At the same time, because of the higher and higher demand of the consumer to the product individuation, the product presents the diversification tendency, the single or the small variety product production already can not satisfy the consumer's demand. Therefore, multi-variety mixed-flow production line has gradually become the trend of manufacturing development. With the large-scale application of mixed-flow production line, the problems appeared gradually in the application of mixed-flow production line. However, the lack of systematic research on mixed-flow production line in domestic enterprises has resulted in the low balance efficiency of mixed-flow production line. Therefore, to find a reasonable and effective mixed production line planning and balancing method is of great significance to the enterprises under the current situation. In this paper, we select P products of F Company as the research object. Firstly, we investigate and analyze that the production line of class P product is a traditional single product line. The production capacity of the two products is larger than the customer's order quantity, which results in the idle production line, which is another form of waste and brings unnecessary losses to the enterprise. Therefore, it is necessary to reform the production line of P 1 and P 2 products. Due to the fact that the two kinds of products are different types of P products, the two kinds of products have great similarity and meet the conditions of mixed production, so the two products are reformed by mixed flow. In this paper, the basic theory and method of industrial engineering are used to analyze the two kinds of mixed flow products and to determine the operation priority diagram of the assembly line. A heuristic balance method is used to plan the work station of the mixed flow assembly line, to determine the minimum number of stations needed for the assembly line, and to improve the planned assembly line. In order to solve the scheduling problem, the multi-objective problem of optimal pipeline balance is transformed into a single objective problem with the minimum sum of idle and overload time, and the mathematical model of the objective function is established. Genetic algorithm is used to solve the model to realize the optimization of mixed flow assembly line.
【學(xué)位授予單位】:西安工業(yè)大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:F273;F424
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