impeller-cutting 叶轮切削
impeller cutting law 叶轮切削律
impeller cutting amount 叶轮切削量
impeller cutting theory 叶轮切割理论
cutting-impeller 切削叶轮
cutting impeller 切割工作轮
The diameter of the impeller is reduced through cutting impeller to improve the factual performance, reduce noise and motor current, so that it can be run steadily for a long duration.
通过切削叶轮缩小叶轮直径，改变离心泵实际性能，降低噪音和电机电流达到稳定长周期运转的目的。
Changing or cutting the impeller, adjusting the angles of variable blades, changing the angles of pressure expander and variable speed of fans may be adopted for the energy-saving of fans on hand.
对现有风机节能改造可采用更换或切削叶轮、调整可调叶片角度，改变扩压器叶片角度以及风机变速运行等措施。
This paper analyzes the structure and characteristic of mini spiral face impeller, and introduces a new method by the use of milling machine and special cutting tool.
分析了微型螺旋面叶轮的结构和工艺特点，介绍了应用高精度万能铣床和特殊刀具加工该种叶轮的方法。
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