阐述整体叶片盘属于复杂曲面类零件，对于流道比较窄的整体叶片盘，一般采用铸造成型。
The whole blade pan belongs to the complicated curved face parts. The whole blade pan of narrow stream pass generally was cast to model.
叶片可能断裂，但整体快速最初生命是短暂的，因为太易碎或钻石刀受到过度冲击。
The blade may cut fast initially but overall life is short because the diamonds are too friable or the blade has been subjected to excessive pounding.
论述了扭叶片整体涡轮的结构特点、加工现状以及其几何造型方法。
The structure feature, machining conditions and the geometrical modeling method about the integral impeller with big twisted blades were introduced.
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