It has guiding significance to improve the success rate of he dynamic Balance test for Impeller of fan.
对提高风机叶轮动平衡试验的成功率具有指导意义。
It sets up a given basis of successful manufacturing of low pressure casting dies of impeller of high-speed fan and other casts like it.
为高速风扇叶轮及其它类似铸件的低压铸造模具的成功制造奠定了一定的基础。
Major reasons that cause dynamic balance troubles of induced draft fan impeller are analyzed. Contermeasures to different cases are put forward and have had good efficiency in practice.
分析了引风机叶轮产生不平衡的主要原因，针对不同情况提出了相应的对策。这些对策在实践中取得了良好效果。
Abrasion problem of centrifugal induced draught fan impeller is put forward.
提出了离心引风机叶轮磨损问题。
Vibrational characteristic of axial fan impeller is analyzed by composition unit method.
采用组合单元法分析了轴流通风机叶轮的振动特性。
Produce & Change low of relative vortex at impeller inlet of centrifugal fan are discussed.
论述了离心通风机叶轮进口相对涡流的产生及其变化规律。
The signification of fan impeller repair is set forth in respects of aerodynamic, mechanical property, safety and economy.
对通风机叶轮修割的意义分别在气动性能、机械性能、安全性和经济性方面来阐述。
Final design scheme is confirmed after economic and technical analyse. Then, axial fan 's stage type, impeller diameter, hub ratio , specific speed and the number of blades are decided.
在进行经济技术性分析后，最终确定风机的设计方案，进而确定通风机适当的级型式、叶轮尺寸、轮毂比、转速和叶片数等基本参数。
The self-cleaning function of the impeller of the fan improves the adaptability of the sweeping vehicle towards the kinds of sundries.
该风机叶轮的自清理功能改善了清扫车对杂物种类的适应性；
The recalled blowers have the words "TORO Power Sweep" written on another decal on the product, and a black impeller fan, which can be seen through the air inlet screen on the bottom of the unit.
此款被召回的鼓风机另一侧的贴纸上，还写有“特若牌强力清扫”的字样，通过装置底部的进气防尘滤网可以看到叶轮风扇为黑色。
All blades on the fan impeller of the fan impeller device are made into a sectional structure in the axial direction of the fan impeller.
其风扇叶轮上的各个叶片、沿风扇轮的轴向方向制成分段的结构。
The utility model relates to a field of centrifugal blower production, in particular to a fan impeller inclined temperature control welding table device.
本实用新型涉及到离心鼓风机制造领域，是一种风机叶轮倾斜温控焊接台装置。
Sectionally pressing and assembled weld technology of front disc on fan impeller is introduced.
介绍了对风机叶轮前盘采用分段压型和组焊的工艺方案以及制造工艺的过程。
The impeller of LGY axial flow fan adopts high-quality aluminium alloy, and has the characteristics of light weight, high-temperature resistance, rust protection and corrosion resistance.
lgy轴流风机叶轮采用优质铝合金为材料，具有重量轻、耐高温、防锈抗腐蚀等特点。
Effect of impeller of different blade profile on the highest pressure point, optimum operating point, shape of pressure curve and efficiency of the fan were analyzed.
分析了不同叶片型线叶轮对风机的最高压力点、最佳工况点、压力曲线形状及效率的影响，同时探讨了风机不同叶片型线的工程实用价值。
By technical modification for the fan impeller of the cooling tower, the easy wearing problem is solved and the author also points out the points for regular maintenance.
通过对凉水塔风机叶片的改造，解决了风机叶片易损的问题，并提出了维护要点。
Meanwhile, experiment results of both 3-d impeller fan and the primary are compared.
实验结果同原叶轮风机的测试结果进行了比较。
The double-suction centrifugal fan impeller vane meets the production requirements of a production process line and ensures the normal operation of the fan.
本实用新型满足生产工艺线的生产要求，同时保证了风机的正常运行。
The double-suction centrifugal fan impeller vane meets the production requirements of a production process line and ensures the normal operation of the fan.
本实用新型满足生产工艺线的生产要求，同时保证了风机的正常运行。
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