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通过对大型水轮机转轮补焊后的形状特征的分析，结合现场条件，提出变力随形磨削的设想，模拟修磨工况，完成了原理性试验，证明了恒力随形和变力修形可以分别控制并能有机的结合，是大型转轮补焊后修磨的可行方案
Based on the analysis of the shape characteristics of the repaired large hydraulic turbine runner and the field conditions, the hypothesis of variable force with shape grinding is put forward to simulate the condition of grinding, and the principle test is completed. It is proved that the constant force follows the shape and variable force Modification can be separately controlled and organic combination of large wheels repairs welding feasible solution