Control Strategy for the Automotive Glass Production Line WIP Based on JIT Ideas

This paper analyzes the production process of automotive glass processing production lines. Because the quantity of various WIP in production workshop is very large, the bottleneck process is studied, the influence of the switching time of bottleneck process production lines on the WIP inventory is obtained, and the relationship among the switching time, process rhythm ratio and WIP inventory is studied. Combining with the JIT and WIP inventory control strategy to ensure smooth production, this paper summarizes the dynamic changes of the required WIP inventory under different process rhythm ratio, so as to dynamically control the WIP inventory changes and reduce the WIP inventory to the maximum extent.