Tangxing Technology: Repurposing the "Jinfeng" Double-Shield TBM for the Shanxi Zhangfeng Reservoir Jincheng Water Diversion Project

  • 2023-11-08

  • Operation Department

On November 8th, Tangxing Technology celebrated a significant achievement as they rolled off the remanufactured "Jinfeng" double-shield TBM in their trenchless industrial park. This customized TBM is now set to embark on a new journey within the Shanxi Zhangfeng Reservoir Jincheng water diversion project.

 

Tunnel No. 2 of the Zhangfeng Reservoir Jincheng Water Diversion Project spans an impressive 5 kilometers and presents a challenging full-section hard rock formation with a tunneling section of 4.16 meters. Faced with a variety of factors, including the project's site environment, topography, and geological conditions, Tangxing Technology's R&D team continually refined and optimized their plan. Leveraging TBM remanufacturing technology, they breathed new life into an aging Robbins TBM, transforming it into a double-shield TBM tailored to the project's specific requirements. The equipment now boasts quality and performance that rivals new machines. Notably, this marks Tangxing Technology's inaugural remanufacture of a small-diameter TBM with a 4.16-meter cutter head. Technicians systematically inspected, diagnosed, and repaired various components, and simultaneously conducted technical research and equipment investment for key processes, including remanufactured product evaluation, non-destructive disassembly, green cleaning, efficient molding, and application monitoring. This comprehensive life-cycle remanufacturing approach significantly enhances the safety and stability of the TBM and other equipment, providing robust support for the Jincheng water diversion project.

 

Tangxing Technology has successfully produced a range of TBMs, including slurry balance shield TBMs, earth pressure balance shield TBMs, and open TBMs. The triumphant remanufacture of double-shield TBMs underscores Tangxing Technology's ability to provide highly adaptable, state-of-the-art equipment to address the demands of crucial national infrastructure projects. This achievement serves as yet another innovative breakthrough for private enterprises at the forefront of driving progress in the national equipment manufacturing industry.

 



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