Introduction to the role of ferrite magnet painting

Introduction to the role of ferrite magnet painting

If you are confused, you may be searching why magnets are painted, and where are painted magnets used? What is the function of ferrite magnet painting? Don't worry, the article will solve your doubts for you.

When I first entered the magnet industry, I didn't know what that was? Later I learned that the colored ones are also magnets, called spray-painted magnets.

Painted magnets are actually colorful, some are yellow, some are green, and there are also red magnetic rings. They really dress up the magnetic rings in colorful colors, like brides who are about to get married, and many of them are used for export.

Of course, these are not colored as soon as they are made, but after the magnetic ring is made, a layer of color is sprayed on it, and different colors are sprayed according to the needs of customers. In fact, no matter what color the magnetic ring is sprayed on, it is the same. According to the needs and requirements of the guests, no matter whether the magnetic ring is painted with green paint or black paint, its purpose is only one, that is, to play Very good insulation, the reason why the magnetic ring should be insulated is mainly to prevent the oxidation of the magnetic ring. If the magnetic ring is oxidized, it will also affect its characteristic effect. For this reason, many customers require that the magnetic ring installed on the circuit board be sprayed with a layer of paint.

Why do the magnetic rings on the circuit board need to be painted, but the magnetic rings used on the wire do not need to be painted. Of course, there is a certain reason for this, because the magnetic ring installed on the circuit board is relatively easy to oxidize, and it drives the electronic components of the entire circuit board, and there is nothing to protect it. As for the magnetic ring on the wire, some can be wrapped by injection molding to prevent its magnetic leakage, and some are directly threaded on the wire, which will not involve its oxidation, because the magnetic ring on the wire is used, there is no After some negative effects caused by other electronic components, it is not easy to oxidize, so there is no need to paint, which also reduces the cost of the magnetic ring for everyone. Spraying a magnetic ring paint will greatly increase the cost price. Painting requires labor, and paint also costs. If there is no specified requirement, the magnetic ring that can not be painted should be as far as possible without painting, and the magnetic ring that needs to be painted cannot be reduced. Cost, but cut corners; this will be related to the good or bad of the entire electronic product. If there is no cost requirement, try to spray paint or pass some varnish, which can play a good role in insulation and prevent the oxidation of the magnetic ring.