空客天津A320第二条总装线投产

Core Points - The second assembly line for Airbus A320 series aircraft in Tianjin, constructed by China Railway Construction Bridge Bureau, has officially commenced production, with the first aircraft assembly preparations underway and full operations expected by early 2026 [1] - The new assembly line covers an area of 308,000 square meters, featuring 13 individual buildings, 17 parking positions, and 6 delivery positions for A320 series aircraft, with the largest building (Building 209) occupying 43,000 square meters and capable of assembling 5 aircraft simultaneously [1] - The domestic material utilization rate for this project has increased to 80%, significantly shortening procurement cycles and providing critical support for project acceleration [1] Technical Aspects - Building 209 employs a large-span steel truss structure with a span of 64 meters, length of 315 meters, and height of 31 meters, using approximately 6,500 tons of steel [2] - The project includes a high-precision crane that requires installation accuracy within 20 millimeters, necessitating collaboration with Tianjin University of Civil Engineering and Technology to overcome technical challenges [2] - The assembly line's ground requirements are stringent, with a maximum height difference of 5 millimeters within a 6-meter range, and innovative techniques such as large-area radiant heating concrete technology and laser leveling are employed to meet aviation-grade standards [2] Historical Context - The Airbus Tianjin assembly line, which began operations in 2008, was the first civil aircraft production line outside of Europe and has assembled and delivered over 780 A320 series aircraft to date [2]