Core Insights - The successful upgrade of the F3 precision rolling mill control system at Chaoyang Steel's 1700 hot rolling line marks a significant step towards the localization of core control systems in China's steel industry [1][3] - The project aims to reduce reliance on imported equipment, addressing issues such as long upgrade cycles and insufficient adaptability to modern production demands [1][3] Group 1: Project Overview - The upgrade project was officially launched on February 4, with the F3 precision rolling mill being the focal point of the upgrade [1][4] - The project was executed by a specialized team from Anshan Steel and Ansteel Digital Technology, focusing on "independent control, safety, and efficiency" [1][3] Group 2: Technical Achievements - The new domestic high-performance controller allows for multi-task cycle scanning and achieves millisecond-level control, reducing average cycle time by over 60% compared to the previous system [2][4] - The upgrade resolves significant stability issues of the previous imported controller, enhancing control precision and response speed, thereby supporting improved steel plate rolling accuracy and production efficiency [2][4] Group 3: Future Plans - The 1700 hot rolling line has completed three phases of localization, with plans to achieve full process control system localization by 2026 [2][4] - The team aims to continue collaboration with Ansteel Digital Technology and research institutions to advance the localization of other critical equipment, such as heating furnaces and roughing mills [2][4]