A five-axis milling machine is used to manufacture the blades, which are swept back at the impeller outlet and have a trailing edge which is inclined slightly in the axial direction.
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- 从分体叶轮到整体叶轮,在工艺水平上已具有较好的基础,前倾后弯叶轮设计中的较大前倾角通过五轴联动铣床实现。