Quality Evaluation of Wind Turbine Roller Bearing Profile in the Ultra-long Flexible Blade

In order to accurately measure and evaluate the quality of roller profile ultra-long flexible blade bearing, an error evaluation model is established for arc segment straight based on least square method, then overall proposed these two models. Through simulation a standard wind turbine cylindrical it found that in this work can effectively contour line bearing’s roller. The absolute 0.0319 mm, which consistent with set random error. also valid other types bearings commonly used turbine, include segments, be bearings.