Probe into the tightening torque of high-strength bolts in large-scale wind turbines

The reliability of high-strength bolts,which is one of the important connected components,has a close bearing on the safety of wind turbines.In actual operation,there are so many factors which could influence the reliability of high-strength bolts that one peccadillo could endanger the safety of wind turbines.The oipinions about the pre-tighting torque,which has direct influence on the reliability,and installation process are given,and could be taken for reference.