Paint capable of shielding chromatic circle inductor and process for coating chromatic circle inductor
An inductor, color ring technology, applied in the direction of transformer/inductor components, inductor/transformer/magnet manufacturing, preventing/reducing unwanted electrical/magnetic effects, etc. The problem of single loop inductance function, etc., achieves the effect of small change in inductance value and reduced coating cost
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Embodiment 1
[0030] A shielded color ring inductive paint coating, comprising the following substances: 1.0kg of color ring inductive paint, 0.4kg of liquid curing agent, 1.5kg of manganese zinc ferrite magnetic powder, and 0.4kg of diluent, and the weight percentages of each component are as follows: 30%, 12%, 45% and 12%.
[0031] The method for preparing shielded color ring inductance paint and encapsulating the shielded color ring inductance comprises the following steps:
[0032]1) Prepare manganese zinc ferrite magnetic powder, dry the magnetic powder containing moisture after grinding the magnetic core of the switching power supply transformer in an oven, and use a fine grinder similar to the flour processing machine for crushing to obtain dry manganese zinc ferrite The magnetic powder is automatically sieved by a metal screen machine, and the coarse particle components are filtered to make 1.5kg of 100-mesh manganese-zinc ferrite magnetic powder.
[0033] 2) Take 1 kg of green col...
Embodiment 2
[0039] A shielding color ring inductance paint coating, comprising the following substances: color ring inductance paint 1.0kg, liquid curing agent 0.3kg, nickel-zinc ferrite magnetic powder or magnesium-zinc ferrite powder 1.0kg, diluent 0.5kg, each group The percentages by weight of points are successively: 36%, 11%, 36% and 18%.
[0040] A method for encapsulating a shielded color ring inductor with the above-mentioned component shielded color ring inductor coating includes the following steps:
[0041] 1) The pre-baked nickel-zinc ferrite powder or magnesium-zinc ferrite powder is directly fired without processing and molding, and the fired nickel-zinc ferrite magnetic powder is a loose powder. According to the actual situation, crush or filter through a sieve to obtain nickel-zinc ferrite magnetic powder or magnesium-zinc ferrite magnetic powder.
[0042] 2) After mixing the color ring inductive paint and the liquid curing agent, stir well and evenly to obtain the conven...
Embodiment 3
[0048] A shielding color ring inductive paint coating, comprising the following substances: 1.0 parts of color ring inductive paint, 0.6 parts of liquid curing agent, 2.0 parts of manganese zinc ferrite magnetic powder, 0.8 parts of thinner, and the weight percentage of each component is as follows: 26 %, 13%, 43% and 17%.
[0049] The method and steps for preparing the shielded color ring inductance paint and encapsulating the shielded color ring inductance are the same as in Example 1.
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