Magnetic ring core raw material and preparation method of magnetic ring core
A technology of raw materials and magnetic rings, which is applied in the field of magnetic ring core raw materials and magnetic ring core preparation, can solve the problems of increasing costs, and achieve the effects of reducing raw material costs, increasing magnetic permeability, and reducing losses
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Embodiment 1
[0023] The preparation method of the magnetic ring core is characterized in that it comprises the following process:
[0024] Step 1: Evenly mix 50% FeSi, 35% Sendust and 15% crushed powder to form a mixed powder, the FeSi is 100 mesh, the Sendust is 150 mesh; the crushed powder is 100 mesh, The iron-silicon content in the crushed powder is 58%, and the iron-silicon-aluminum content is 42%;
[0025] Step 2: dilute phosphoric acid with alcohol, the weight ratio of alcohol and phosphoric acid is 1:15, obtains diluted alcohol;
[0026] Step 3: After heating and melting the phenolic resin into a liquid, mix the liquid phenolic resin with the above-mentioned mixed powder, diluted alcohol and lubricating powder, stir for 40 minutes under the condition of 30r / min, and then dry it at 110°C; the mixed powder The weight ratio of the mixed powder to the lubricating powder is 100:0.3, the weight ratio of the mixed powder to the diluted alcohol is 100:0.16, and the weight ratio of the mix...
Embodiment 2
[0030] The preparation method of the magnetic ring core is characterized in that it comprises the following process:
[0031] Step 1: Evenly mix 50% FeSi, 35% Senust and 15% crushed powder to form a mixed powder. FeSi is 100 mesh, Senust is 150 mesh; crushed powder is 150 mesh, The iron-silicon content in the crushed powder is 60%, and the iron-silicon-aluminum content is 40%;
[0032] Step 2: dilute phosphoric acid with alcohol, the weight ratio of alcohol and phosphoric acid is 1:15, obtains diluted alcohol;
[0033] Step 3: After heating and melting the phenolic resin into a liquid, mix the liquid phenolic resin with the above-mentioned mixed powder, diluted alcohol and lubricating powder, stir for 40 minutes under the condition of 30r / min, and then dry it at 110°C; the mixed powder The weight ratio of the mixed powder to the lubricating powder is 100:0.3, the weight ratio of the mixed powder to the diluted alcohol is 100:0.16, and the weight ratio of the mixed powder to t...
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