三峡电站水轮机模型蜗壳加工工艺

The Technique of Machining Model Turbine Spiral Case for Three Gorge Hydropower Station

三峡电站水轮机模型蜗壳结构不同于传统的模型蜗壳，本文分析了该型蜗壳的加工难点，提出了新的加工工艺，为提高水轮机模型蜗壳的加工水平提供了经验。

The structure of model hydraulic turbine spiral case of Three Gorge hydropower station is different from traditional model turbine spiral case.In this paper,the difficulty of machining was analyzed,a new kind of machining technology was advanced and obtained a good effect.It accumulate experience of processing model turbine spiral case.