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This article describes the structural feature of the disc type rotor spider of hydrogenerator,and explains it's assembling and the technology of welding and welding distortion controlling.

介绍了水轮发电机圆盘式转子支架的结构特点,阐述了圆盘式转子支架的组装和焊接工艺及控制焊接变形的工艺措施。