5MW Wind Turbine Tower Bolt Pre-tightening Project for a Major Wind Power Group
Customer Background
A leading domestic wind power equipment manufacturer, specializing in the R&D and production of large-scale wind turbines with capacities of 5MW and above. Annual installed capacity exceeds 2GW, with products exported to over 30 countries and regions worldwide.
Project Overview
- Industry:wind and hydro power
- Customer:Leading domestic wind power equipment manufacturer
- Project Location:Yancheng, Jiangsu
- Implementation Time:2025 10
Technical Requirements and Challenges
Pre-tightening of large-diameter bolts
Tower flange M64 large-specification bolt pre-tightening, torque requirement 35000 Nm
High precision required
Torque accuracy ±3% ensures reliable tower connection integrity.
Working at Heights
Working at a height of 80 meters in confined spaces involves high safety risks.
Tight construction schedule
Tightening time per turbine must be within 4 hours.
Solutions & Products
Achieve precise operation in tight spaces with an ultra-high-pressure hydraulic torque wrench paired with a portable electric hydraulic pump and specialized slim-profile sockets. The dual-tool synchronous mode significantly boosts construction efficiency.
Implementation Results
Customer Reviews
Ailansheng Technology's hydraulic torque wrench system has significantly improved our wind turbine assembly efficiency. The torque accuracy meets all requirements, and the tools are lightweight and portable—ideal for high-altitude work. Their technical team was professional and responsive, providing full support throughout the project. A truly successful collaboration.
Have a similar project in mind?
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