CN110098023A - A kind of preparation method of magnet ring core raw material and magnetic ring core - Google Patents
A kind of preparation method of magnet ring core raw material and magnetic ring core Download PDFInfo
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- CN110098023A CN110098023A CN201910346208.1A CN201910346208A CN110098023A CN 110098023 A CN110098023 A CN 110098023A CN 201910346208 A CN201910346208 A CN 201910346208A CN 110098023 A CN110098023 A CN 110098023A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
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- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
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Abstract
A kind of magnet ring core raw material, including raw material A and raw material B；Raw material A: being made of 50% iron silicon, 35% iron sial and 15% broken powder, and the total amount of raw material A is 100%；Raw material B: being made of phosphoric acid, resin, powdered lubricant, alcohol, and the weight ratio of raw material A and phosphoric acid is 100:0.1 ~ 0.3；Raw material A and the weight ratio of resin are 100:0.3 ~ 0.8, and the weight ratio of raw material A and powdered lubricant is 100:0.1 ~ 0.5, and the weight ratio of raw material A and alcohol is 100:1 ~ 4.5.
Description
Technical field
The present invention relates to magnetic core technical fields, and in particular to the preparation method of a kind of magnet ring core raw material and magnetic ring core.
Background technique
Magnetic ring core refers to compound soft magnetic material made of ferromagnetic powder to be mixed to compacting with insulating adhesive, according to material
Difference mainly has permalloy powder core, magnetic core and Fe-Si-Al magnetic core etc..
With the development of technology, many equipment all have the requirement of miniaturization to electronic component, and this requires magnetic ring cores to have
Standby high magnetic conductivity, and Fe-Si-Al magnetic core and permalloy powder core all have the characteristics that high magnetic permeability and low-loss, due to
Fe-Si-Al magnetic core compared to permalloy for, price is more cheap, therefore, many occasions instead of perm close
Golden magnetic core.
Many scraps can be generated, for factory due to the loss of mold in the production process of magnetic ring core simultaneously
The cost of product is increased for production.
Summary of the invention
The purpose of the present invention is to provide the preparation method of a kind of magnet ring core raw material and magnetic ring core, by the raw material of selection and
Preparation process obtains the magnetic ring core of a kind of low-loss, high magnetic permeability and DC stacked high superposition, while can reduce and be produced into
This.
A kind of magnet ring core raw material, which is characterized in that including raw material A and raw material B；
Raw material A: being made of 50% iron silicon, 35% iron sial and 15% broken powder, and the total amount of raw material A is 100%；
Raw material B: being made of phosphoric acid, resin, powdered lubricant, alcohol, and the weight ratio of raw material A and phosphoric acid is 100:0.1 ~ 0.3；Raw material A
It is 100:0.3 ~ 0.8 with the weight ratio of resin, the weight ratio of raw material A and powdered lubricant is 100:0.1 ~ 0.5, raw material A and alcohol
Weight ratio is 100:1 ~ 4.5.
Further, the content of iron silicon is 50% ~ 60% in the broken powder, and the content of iron sial is 40% ~ 42%.
A kind of preparation method of magnetic ring core, which is characterized in that including raw material A and raw material B；
Raw material A: being made of 50% iron silicon, 35% iron sial and 15% broken powder, and the total amount of raw material A is 100%；
Raw material B: being made of phosphoric acid, resin, powdered lubricant, alcohol, and the weight ratio of raw material A and phosphoric acid is 100:0.1；Raw material A and tree
The weight ratio of rouge is 100:0.3, and the weight ratio of raw material A and powdered lubricant is 100:0.3, and the weight ratio of raw material A and alcohol is 100:
1.5；The powdered lubricant is talcum powder, and the resin is phenolic resin.
Further, a kind of preparation method of magnetic ring core, which is characterized in that including following procedure:
Step 1: 50% iron silicon, 35% iron sial and 15% broken powder uniformly being mixed, mixed powder is configured to, iron silicon is
100 mesh, iron sial are 150 mesh；Broken powder is broken 100 ~ 150 mesh of powder of waste product；
Step 2: with alcohol dilution phosphoric acid, the weight ratio of alcohol and phosphoric acid is 1:15, obtains dilute alcohol；
Step 3: to phenolic resin heating and melting at liquid after, by liquid phenolic resin and above-mentioned mixed powder, dilute alcohol with
And powdered lubricant mixing, it is dried under the conditions of 110 DEG C again after 40min is stirred under conditions of 30r/min；Mixed powder and powdered lubricant
Weight ratio is 100:0.1 ~ 0.5, and the weight ratio of mixed powder and dilute alcohol is 100:0.16 ~ 0.48, mixed powder and phenolic aldehyde
The weight ratio of resin is 100:0.3 ~ 0.8；
Step 4: the mixture compacting Jing Guo step 3 being circularized, the pressure given is 2000bar；
Step 5: spray painting obtains finished product after the toroidal core of compression moulding is made annealing treatment at 500 DEG C ~ 550 DEG C.
Compared with prior art, the present invention having the advantage that
Phenolic resin has been selected in the present invention as adhesive to substitute the epoxy resin often selected in the prior art, this is because
Phenolic resin has better heat resistance and anti-flammability, has positive effect to the heat resistance of final finished magnetic core.Except this it
Outside, when the weight ratio of phenolic resin and mixed powder is 100:0.3 ~ 0.8, magnetic conductivity and the proportion of goods damageds are all preferable, work as resin
When with the weight ratio of mixed powder being 100:0.3, magnetic conductivity is best, reaches 160, according to epoxy resin, then resin with and
The weight ratio of mixed powder needs to reach 100:1.
It has selected iron silicon and iron sial as raw material in the present invention, has improved the magnetic conductivity of magnetic ring core, reduces its loss.Together
When the cost of raw material of product is reduced to the recycling of waste product.
Specific embodiment
Embodiment 1
The preparation method of magnetic ring core, which is characterized in that including following procedure:
Step 1: 50% iron silicon, 35% iron sial and 15% broken powder uniformly being mixed, mixed powder is configured to, iron silicon is
100 mesh, iron sial are 150 mesh；Broken powder is 100 mesh, and the content for being crushed iron silicon in powder is 58%, and the content of iron sial is 42%；
Step 2: with alcohol dilution phosphoric acid, the weight ratio of alcohol and phosphoric acid is 1:15, obtains dilute alcohol；
Step 3: to phenolic resin heating and melting at liquid after, by liquid phenolic resin and above-mentioned mixed powder, dilute alcohol with
And powdered lubricant mixing, it is dried under the conditions of 110 DEG C again after 40min is stirred under conditions of 30r/min；Mixed powder and powdered lubricant
Weight ratio is 100:0.3, and the weight ratio of mixed powder and dilute alcohol is 100:0.16, the weight of mixed powder and phenolic resin
Than for 100:0.3；
Step 4: the mixture compacting Jing Guo step 3 being circularized, the pressure given is 2000bar；
Step 5: spray painting obtains finished product after the toroidal core of compression moulding is made annealing treatment at 500 DEG C ~ 550 DEG C.
Embodiment 2
The preparation method of magnetic ring core, which is characterized in that including following procedure:
Step 1: 50% iron silicon, 35% iron sial and 15% broken powder uniformly being mixed, mixed powder is configured to, iron silicon is
100 mesh, iron sial are 150 mesh；Broken powder is 150 mesh, and the content for being crushed iron silicon in powder is 60%, and the content of iron sial is 40%；
Step 2: with alcohol dilution phosphoric acid, the weight ratio of alcohol and phosphoric acid is 1:15, obtains dilute alcohol；
Step 3: to phenolic resin heating and melting at liquid after, by liquid phenolic resin and above-mentioned mixed powder, dilute alcohol with
And powdered lubricant mixing, it is dried under the conditions of 110 DEG C again after 40min is stirred under conditions of 30r/min；Mixed powder and powdered lubricant
Weight ratio is 100:0.3, and the weight ratio of mixed powder and dilute alcohol is 100:0.16, the weight of mixed powder and phenolic resin
Than for 100:0.3；
Step 4: the mixture compacting Jing Guo step 3 being circularized, the pressure given is 2000bar；
Step 5: spray painting obtains finished product after the toroidal core of compression moulding is made annealing treatment at 500 DEG C ~ 550 DEG C.
Reference examples 1
The preparation method of magnetic ring core, which is characterized in that including following procedure:
Step 1: major ingredient is abrasive grit A+ abrasive grit B, and the abrasive grit for accounting for abrasive grit A total weight 20% is 50 mesh, accounts for the iron of abrasive grit A total weight 25%
Grain is 100 mesh, and the abrasive grit for accounting for abrasive grit A total weight 30% is 200 mesh, and the abrasive grit in addition accounting for abrasive grit A total weight 25% is 400 mesh, iron
Grain B is 200 mesh；
Step 2: with alcohol dilution phosphoric acid, the weight ratio of alcohol and phosphoric acid is 1:15, obtains dilute alcohol；
Step 3: to phenolic resin heating and melting at liquid after, by liquid phenolic resin and above-mentioned mixed powder, dilute alcohol with
And powdered lubricant mixing, it is dried under the conditions of 110 DEG C again after 40min is stirred under conditions of 30r/min；Mixed powder and powdered lubricant
Weight ratio is 100:0.3, and the weight ratio of mixed powder and dilute alcohol is 100:0.16, the weight of mixed powder and phenolic resin
Than for 100:0.3；
Step 4: the mixture compacting Jing Guo step 3 being circularized, the pressure given is 2000bar；
Step 5: spray painting obtains finished product after the toroidal core of compression moulding is made annealing treatment at 500 DEG C ~ 550 DEG C.
Reference examples 2
The preparation method of magnetic ring core, which is characterized in that including following procedure:
Step 1: 90% abrasive grit uniformly being mixed with 10% iron sial, mixed powder is configured to, accounts for the iron of abrasive grit total weight 20%
Grain is 50 mesh, and the abrasive grit for accounting for abrasive grit total weight 25% is 100 mesh, and the abrasive grit for accounting for abrasive grit total weight 30% is 200 mesh, in addition accounts for abrasive grit
The abrasive grit of total weight 25% is 400 mesh, and iron sial is 200 mesh；
Step 2: with alcohol dilution phosphoric acid, the weight ratio of alcohol and phosphoric acid is 1:15, obtains dilute alcohol；
Step 3: to epoxy resin heating and melting at liquid after, by liquid epoxies and above-mentioned mixed powder, dilute alcohol with
And powdered lubricant mixing, it is dried under the conditions of 110 DEG C again after 40min is stirred under conditions of 30r/min；Mixed powder and powdered lubricant
Weight ratio is 100:0.3, and the weight ratio of mixed powder and dilute alcohol is 100:0.16, the weight of mixed powder and epoxy resin
Than for 100:1；
Step 4: the mixture compacting Jing Guo step 3 being circularized, the pressure given is 2000bar；
Step 5: spray painting obtains finished product after the toroidal core of compression moulding is made annealing treatment at 500 DEG C ~ 550 DEG C.
Reference examples 3
The preparation method of magnetic ring core, which is characterized in that including following procedure:
Step 1: 90% abrasive grit uniformly being mixed with 10% iron sial, mixed powder is configured to, accounts for the iron of abrasive grit total weight 20%
Grain is 50 mesh, and the abrasive grit for accounting for abrasive grit total weight 25% is 100 mesh, and the abrasive grit for accounting for abrasive grit total weight 30% is 200 mesh, in addition accounts for abrasive grit
The abrasive grit of total weight 25% is 400 mesh, and iron sial is 200 mesh；
Step 2: with alcohol dilution phosphoric acid, the weight ratio of alcohol and phosphoric acid is 1:15, obtains dilute alcohol；
Step 3: to phenolic resin heating and melting at liquid after, by liquid phenolic resin and above-mentioned mixed powder, dilute alcohol with
And powdered lubricant mixing, it is dried under the conditions of 110 DEG C again after 40min is stirred under conditions of 30r/min；Mixed powder and powdered lubricant
Weight ratio is 100:0.3, and the weight ratio of mixed powder and dilute alcohol is 100:0.16, the weight of mixed powder and phenolic resin
Than for 100:0.3；
Step 4: the mixture compacting Jing Guo step 3 being circularized, the pressure given is 2000bar；
Step 5: spray painting obtains finished product after the toroidal core of compression moulding is made annealing treatment at 500 DEG C ~ 550 DEG C.
Reference examples 4
The preparation method of magnetic ring core, including following procedure:
Step 1: 80%% abrasive grit uniformly being mixed with 20% iron sial, mixed powder is configured to, accounts for abrasive grit total weight 20%
Abrasive grit is 50 mesh, and the abrasive grit for accounting for abrasive grit total weight 25% is 100 mesh, and the abrasive grit for accounting for abrasive grit total weight 30% is 200 mesh, in addition accounts for iron
The abrasive grit of grain total weight 25% is 400 mesh, and iron sial is 200 mesh；
Step 2: with alcohol dilution phosphoric acid, the weight ratio of alcohol and phosphoric acid is 1:15, obtains dilute alcohol；
Step 3: to phenolic resin heating and melting at liquid after, by liquid phenolic resin and above-mentioned mixed powder, dilute alcohol with
And powdered lubricant mixing, it is dried under the conditions of 110 DEG C again after 40min is stirred under conditions of 30r/min；Mixed powder and powdered lubricant
Weight ratio is 100:0.3, and the weight ratio of mixed powder and dilute alcohol is 100:0.16, the weight of mixed powder and phenolic resin
Than for 100:0.3；
Step 4: the mixture compacting Jing Guo step 3 being circularized, the pressure given is 2000bar；
Step 5: spray painting obtains finished product after the toroidal core of compression moulding is made annealing treatment at 500 DEG C ~ 550 DEG C.
The magnetic property of embodiment 1, the magnetic core that reference examples 1 ~ 4 obtain is as shown in the table:
| Group | Magnetic conductivity (μ) | Pcv(mw/cm3) (100KHZ/100mT) | DC-Bias(1000e) |
| Embodiment 1 | 60 | 470 | 63% |
| Embodiment 1 | 62 | 480 | 65% |
| Reference examples 1 | 70 | 315 | 69.34% |
| Reference examples 2 | 125 | 258 | 50.7% |
| Reference examples 3 | 160 | 210 | 69.85% |
| Reference examples 4 | 155 | 245 | 62.44% |
It is worth noting that based under the premise of said structure design, to solve same technical problem, even if in the present invention
That makes is some without substantive changes or polishing, the essence of used technical solution still as the present invention, therefore its
It should be within the scope of the present invention.
Claims (4)
1. a kind of magnet ring core raw material, which is characterized in that including raw material A and raw material B；
Raw material A: being made of 50% iron silicon, 35% iron sial and 15% broken powder, and the total amount of raw material A is 100%；
Raw material B: being made of phosphoric acid, resin, powdered lubricant, alcohol, and the weight ratio of raw material A and phosphoric acid is 100:0.1 ~ 0.3；Raw material A
It is 100:0.3 ~ 0.8 with the weight ratio of resin, the weight ratio of raw material A and powdered lubricant is 100:0.1 ~ 0.5, raw material A and alcohol
Weight ratio is 100:1 ~ 4.5.
2. magnet ring core raw material according to claim 1, which is characterized in that in the broken powder content of iron silicon be 50% ~
60%, the content of iron sial is 40% ~ 42%.
3. the preparation method of magnetic ring core, which is characterized in that including raw material A and raw material B；
Raw material A: being made of 50% iron silicon, 35% iron sial and 15% broken powder, and the total amount of raw material A is 100%；
Raw material B: being made of phosphoric acid, resin, powdered lubricant, alcohol, and the weight ratio of raw material A and phosphoric acid is 100:0.1；Raw material A and tree
The weight ratio of rouge is 100:0.3, and the weight ratio of raw material A and powdered lubricant is 100:0.3, and the weight ratio of raw material A and alcohol is 100:
1.5；The powdered lubricant is talcum powder, and the resin is phenolic resin.
4. the preparation method of magnetic ring core according to claim 2, which is characterized in that including following procedure:
Step 1: 50% iron silicon, 35% iron sial and 15% broken powder uniformly being mixed, mixed powder is configured to, iron silicon is
100 mesh, iron sial are 150 mesh；Broken powder is broken 100 ~ 150 mesh of powder of waste product；
Step 2: with alcohol dilution phosphoric acid, the weight ratio of alcohol and phosphoric acid is 1:15, obtains dilute alcohol；
Step 3: to phenolic resin heating and melting at liquid after, by liquid phenolic resin and above-mentioned mixed powder, dilute alcohol with
And powdered lubricant mixing, it is dried under the conditions of 110 DEG C again after 40min is stirred under conditions of 30r/min；Mixed powder and powdered lubricant
Weight ratio is 100:0.1 ~ 0.5, and the weight ratio of mixed powder and dilute alcohol is 100:0.16 ~ 0.48, mixed powder and phenolic aldehyde
The weight ratio of resin is 100:0.3 ~ 0.8；
Step 4: the mixture compacting Jing Guo step 3 being circularized, the pressure given is 2000bar；
Step 5: spray painting obtains finished product after the toroidal core of compression moulding is made annealing treatment at 500 DEG C ~ 550 DEG C.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957110A (en) * | 2019-11-28 | 2020-04-03 | 四川东阁科技有限公司 | E-shaped iron powder core |
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| CN105931790A (en) * | 2016-06-08 | 2016-09-07 | 青岛云路先进材料技术有限公司 | Iron-silicon-aluminum magnetic powder core and preparation method thereof |
| CN106229104A (en) * | 2016-08-31 | 2016-12-14 | 北京康普锡威科技有限公司 | A kind of soft magnetic composite powder and preparation process for magnetic powder core thereof |
| CN106571205A (en) * | 2016-11-03 | 2017-04-19 | 中国兵器科学研究院宁波分院 | Preparation method for low-loss iron, silicon nickel magnetic powder composite material |
| CN108831662A (en) * | 2018-06-26 | 2018-11-16 | 四川东阁科技有限公司 | A kind of preparation method of iron powder core raw material and ferrocart core |
-
2019
- 2019-04-26 CN CN201910346208.1A patent/CN110098023A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931790A (en) * | 2016-06-08 | 2016-09-07 | 青岛云路先进材料技术有限公司 | Iron-silicon-aluminum magnetic powder core and preparation method thereof |
| CN106229104A (en) * | 2016-08-31 | 2016-12-14 | 北京康普锡威科技有限公司 | A kind of soft magnetic composite powder and preparation process for magnetic powder core thereof |
| CN106571205A (en) * | 2016-11-03 | 2017-04-19 | 中国兵器科学研究院宁波分院 | Preparation method for low-loss iron, silicon nickel magnetic powder composite material |
| CN108831662A (en) * | 2018-06-26 | 2018-11-16 | 四川东阁科技有限公司 | A kind of preparation method of iron powder core raw material and ferrocart core |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957110A (en) * | 2019-11-28 | 2020-04-03 | 四川东阁科技有限公司 | E-shaped iron powder core |
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