The application scope of online thickness measurement and control systems has been further expanded.

Release Date:

2026-09-17

Author:

Han Shen

Source:

The adoption rate of online thickness measurement and automated air‑ring control systems on blown‑film production lines is steadily increasing. Previously, these systems were mainly deployed in the production of high‑performance, specialized films; today, they are increasingly being specified for standard packaging films and agricultural films as well. By continuously collecting real‑time thickness data, the system automatically adjusts airflow or heating output across the air ring’s zones, thereby narrowing the thickness variation of the finished film and reducing material waste. The complete system also supports data storage, retrieval, and remote monitoring, facilitating production‑process traceability. Equipment manufacturers have streamlined the system’s operating logic and lowered the learning curve for operators, making it accessible even to small and medium‑sized film producers. As quality requirements for film products continue to rise, online closed‑loop control solutions will find broader application across an expanding range of production scenarios.

Keywords:

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