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2018-09-25View Original

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Reply #142018-10-12

离心泵一类可以不用变频电机的，只要在50Hz下不过载。在其他条件不变的情况下，当频率减小时，电机转矩与频率成正比减小，泵的流量与频率也成正比减小(同一台泵，离心泵的转矩与流量成正比关系)，所以电机不会因为降频而过载。容积式泵不一样，一定要配变频电机，因为容积泵的转矩与出口负载成正比关系，当频率降低，转矩随之减小，出口负载不变，电机容易过载，这时候就需要变频电机(恒定转矩5-50hz)。

Reply #152019-03-02

理论上是可以的，切割的数据要算好，手艺要精准

Reply #162019-03-28

可以切，但要经过计算。

Reply #172019-03-28

建议联系厂家，给厂家参数，买个合适的新叶轮换上，一个叶轮，不贵的

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