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Large Permanent Magnet Industrial Fan
Release Time:
2022-06-13
When looking for industrial fans, large permanent magnet industrial fans are often seen, which seem very high-end, but actually it's quite unclear what they really are. Generally, most industrial large fans on the market are of three types: gear reducer, outer rotor, and inner rotor. Permanent magnet servo is also a type of inner rotor.
Often Seen When Looking for Industrial Fans Large Permanent Magnet Industrial Fan ， It feels very high-end, but actually it's quite confusing and unclear. Most industrial large fans on the market are of three types: reducer, outer rotor, and inner rotor. Permanent magnet servo is also a type of inner rotor.
So how do we distinguish whether to purchase a reducer large fan or an inner rotor large fan? It depends on the budget. Generally, a lower budget suggests using a reducer, but we also need to understand the disadvantages of reducers. Compared to permanent magnet synchronous motors, the disadvantages of reducers include having a reverse self-locking function, allowing a large reduction ratio, input and output shafts not being on the same axis or plane, generally larger size, low transmission efficiency, and low precision. The structure is relatively compact, with small backlash and higher precision. The service life is not as long as permanent magnet synchronous motors from Dalian industrial large fan manufacturers. The rated output torque can be very large but the price is higher.
Moreover, permanent magnet motors can avoid gear friction losses, meaning their warranty period is at least five times longer than reducers, their size is about one-third, and their working efficiency is improved. No oil leakage, no motor wear, and no maintenance required. This is one of the reasons why large permanent magnet industrial fans are popular.
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