Balancing Assembly Line Of CNHTC Commercial Vehicle CO.LTD

Since the first assembly line was established by Ford in 1914, this kind of production system has been widely applied in most manufacturing areas. The improvement of assembly line balancing has a great impact on the production capability and competence capability for enterprises.For assembly line of middle or heavy truck, Because of low automation level, many enterprises rely on manual assembly. The mensuration of task time and assign of task rely on experience of deviser. Because of the chanciness of mensuration, the task time exist error; Because of the unbalancing assembly line, the worker exit discontent mind. So it can affect production capability.The task time is a important date to balance assembly line. Applied to a merchant vehicle company, analyzed the model of vehicle assembly task by analyzing the production flow, and divided the model of vehicle assembly task into three genera: manual work and manual -machine work and unite work in this article. In terms of these circumstances, a method of task mensuration was proposed in this article.At time, consider to a real case of our company, the individual-model could be applied. At first by ranked positional weight, the initial assignment could be achieved. Second, the last assignment could be achieved by task grouping in a station and task exchange or transfer in some station.For the individuation demand, balancing mixed assembly line was applied. A method of assorted vehicle type and mixed-vehicle type assignment was proposed in this article. By the last assignment result of the type vehicle and the mixed-model's value function, a assignment could be achieved.