For the series Roots blower, the manufacturer should adjust the belt of the fan to the appropriate tight state before the roots blower leaves the factory, so as to ensure the smooth operation of the fan. The loose belt will not only cause heat, but also fall off and damage. Too tight belt will also lead to belt heating, and will affect the fan linkage, loss in the process of power transmission, and the belt may even break in the process of operation. Therefore, whether it is too loose or too tight is not good. Therefore, fan manufacturers should strictly test all aspects of fan indicators when leaving the factory.
The belt heating of Roots blower is even more serious in summer. Some customers pour water on the belt in order to cool down the fan belt. In fact, this method is wrong. Although it will lower the temperature of the belt, it will seriously affect the fit of the belt and pulley, reduce friction, and lead to insufficient power transmission and slipping. If the water flows into the fan, it will cause the internal impeller of the fan to rust, and even damage the Roots fan if it goes on for a long time.
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