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以提高企业运作效率为核心,选取AIP公司轮胎生产线的优化作为本次研究案例,首先,通过绘制现状价值流图,达到生产线的现状可视化,分析工艺布局与物流和信息流的活动,找出当前生产模式中存在的增值与非增值环节;其次,运用精益思想和工业工程的方法,对生产流程进行分析与改善,引入看板拉动式和连续式生产等方法,以节拍平衡方式进行生产,压缩非增值时间、消除信息阻碍、减少作业人员和在制品库存等,使生产周期及产能得到有效改善;再次,采取工序重组、流程优化等改善手法,对生产流程进行精简,并绘制未来价值流图作为重点改善方向,从而实现生产线的再设计;最后,通过价值流图的前后对比发现:企业产能、设备利用率及生产周期改善显著,在提高产品质量的同时有效地降低了生产成本。实践证明,价值流图分析技术是提高企业生产效率的有效方法,是企业实施精益生产的有力工具,值得广大企业借鉴与推广。
In order to improve the efficiency of enterprise operation, AIP tire production line optimization is selected as the research case. First, the status quo of the production line is drawn by drawing the current value flow chart to visualize the status quo of the production line, analyzing the process layout and logistics and information flow activities, Production mode in the value-added and non-value-added sectors; Secondly, the use of lean thinking and industrial engineering methods, analysis and improvement of the production process, the introduction of kanban pull and continuous production methods, beat balanced production, compression Value-added time, eliminate information barriers, reduce the staff and inventory of products, so that the production cycle and production capacity can be effectively improved; Third, to take the process of restructuring, process optimization and other improvements to streamline the production process and draw the future value of the flow chart as a Focusing on improving the direction of the production line in order to achieve the redesign of the production line; Finally, through the comparison of the value flow chart before and after: the enterprise productivity, equipment utilization and production cycle improvement significantly, improve product quality while effectively reducing production costs. Practice has proved that the value of the flow chart analysis technology is an effective way to improve the production efficiency of enterprises is a powerful tool for enterprises to implement lean production, it is worth the majority of enterprises to learn and promote.