We know that the cooling fan has moisture-proof and waterproof function. Some fans use the cooling fans in humid environment, so they need to use waterproof fans. Here we will introduce the process of the waterproof and cooling fans.

IP * 2 / IP * 3 is moisture-proof treatment, and the solution is vertical water: diluent.

IP * 8 glue filling products are of the highest waterproof grade, which requires first dip paint and then glue. The dip paint solution is the thinner of insulating paint.

The function of water and insulating paint: to produce protective film to protect the moisture; diluent: dilute the concentration of solution.

Steps of water-proof cooling fan: solution proportion → paint under vacuum → vacuum extraction → draining → high temperature baking → packing

Solution ratio: pay attention to confirm that the solution is not available and wrong, and the ratio degree shall be consistent with the specification;

Vacuum dip paint: pay attention to confirm that the motor needs to be completely immersed in the solution, and the vacuum pressure reaches the maximum range of the pointer;

Vacuum pumping: pay attention to confirm that the vacuum pressure reaches the maximum range of the pointer;

Drain: drain time;

High temperature baking: pay attention to baking temperature and baking time;

Packing: pay attention to the parts not to be damaged.

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