1, when the coil of the power transformer is removed from the film, it is forbidden to use the fan to blow the casting body to prevent the cold affecting the fission.
2, remove the power transformer mold can not use dirty gloves to help remove the mold. Because the temperature of the coil is higher than 100 ° C, the winding has not been fully cured successfully, and the dirt is easy to leave spots after contacting the coil, affecting the appearance of the coil. It is found that the end of the transformer coil has a local elongated uncured phenomenon, do not touch it, do not remove it.
3. The panel fastening screw is difficult to remove due to the solidification after the pouring material invades, and can not be hard disassembled to prevent the screw from breaking.
4, be sure to clean up all the copper nozzle inside the material, to avoid affecting the transformer test, misdiagnosed as coil turns deviation, DC resistance imbalance or broken fault.
5, when removing the outer mode of the power transformer, do not pull hard, and check whether the surface of the coil is defective. If there are defects in the parts, check the corresponding parts of the external mold immediately and deal with them to avoid similar situations in the next time.
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Specifications for the use of power transformer coil demoulding
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