CN101800127A - Method for preparing winding iron core and iron core therewith - Google Patents
Method for preparing winding iron core and iron core therewith Download PDFInfo
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- CN101800127A CN101800127A CN201010143892.2A CN201010143892A CN101800127A CN 101800127 A CN101800127 A CN 101800127A CN 201010143892 A CN201010143892 A CN 201010143892A CN 101800127 A CN101800127 A CN 101800127A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004804 winding Methods 0.000 title abstract 2
- 239000000696 magnetic material Substances 0.000 claims abstract description 69
- 239000000463 material Substances 0.000 claims abstract description 52
- 238000009413 insulation Methods 0.000 claims abstract description 47
- 238000002360 preparation method Methods 0.000 claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000011068 loading method Methods 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims description 45
- 239000011248 coating agent Substances 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 41
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 9
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- RGPUVZXXZFNFBF-UHFFFAOYSA-K diphosphonooxyalumanyl dihydrogen phosphate Chemical class [Al+3].OP(O)([O-])=O.OP(O)([O-])=O.OP(O)([O-])=O RGPUVZXXZFNFBF-UHFFFAOYSA-K 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- XINQFOMFQFGGCQ-UHFFFAOYSA-L (2-dodecoxy-2-oxoethyl)-[6-[(2-dodecoxy-2-oxoethyl)-dimethylazaniumyl]hexyl]-dimethylazanium;dichloride Chemical compound [Cl-].[Cl-].CCCCCCCCCCCCOC(=O)C[N+](C)(C)CCCCCC[N+](C)(C)CC(=O)OCCCCCCCCCCCC XINQFOMFQFGGCQ-UHFFFAOYSA-L 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000012163 sequencing technique Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003973 paint Substances 0.000 abstract 2
- 239000000047 product Substances 0.000 abstract 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000012466 permeate Substances 0.000 abstract 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 5
- 238000000137 annealing Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
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Abstract
The invention discloses a method for preparing a winding iron core. The iron core comprises a ribbon-shaped non-oriented magnetic material. The method comprises the following steps of: (1) preparing mixed insulating paint; (2) loading the material; (3) feeding the material; (4) setting the parameters; (5) and producing. The method has the advantages of fewer working steps and simple preparation, greatly reduces the production cost, ensures the precision and consistency of the products and greatly enhances the interlaminar insulation property, high temperature resistance, magnetic conducting effect and percent of pass of the iron core. The method adopts a constant pressure gas and high oil pressure mode, combines the non-oriented magnetic material which is uniformly rolled and wound by 360 degrees and meanwhile matches to coat the mixed insulating paint on the surface of the non-oriented magnetic material to fully fill the tiny gap generated by material deformation and permeate into the interior of the material, thereby wholly enhancing the performance of the product. The iron core of the invention has the advantages of reasonable structure, high temperature resistance, high interlaminar insulation property and higher magnetic conducting effect.
Description
Technical field
The present invention relates to the iron core process technology, be specifically related to a kind of Wound core preparation method and implement the iron core that this method is made.
Background technology
In the prior art, the iron core manufacture method that electrical equipment such as ballast are used mainly contains lamination and reels two kinds.
Laminated core structure, it is built up by definite shape by non-orientation magnetic material, this iron core is owing to defective tightness between the non-orientation magnetic material sheet, exist air-gap in the magnetic circuit, and the high magnetic conduction direction and the magnetic circuit direction of local area material are inconsistent, make the poor-performing of iron core, the electrical equipment no-load loss of making is higher, noise is bigger.
In order to overcome the defective of above-mentioned laminated core structure, adopt the takeup type iron core usually; For performance is further improved, reduce leakage field and energy loss, Wound core generally adopts the non-orientation magnetic material continuous reeling of definite shape to form; Non-orientation magnetic material in the existing ferrous metal is generally low-carbon (LC), siliceous or not siliceous iron or ferroalloy materials and goods, for example silicon steel sheet.It after its moulding, must carry out annealing operation applying insulating coating by the machine punching press or when reeling, and purpose is to remove residual stress, and permeability is increased.Annealing conditions generally is that the annealing of requirement oxygen-free environment prevents high-temperature oxydation according to different materials and different, and slowly elevated temperature reaches about 800 ℃ annealing temperature, annealing time approximately need 6 indefinite by 10 hours.But owing in the prior art, because the coated coatings of Armco magnetic iron alloy material can not withstand high temperatures, its metal lattice texture can not effectively be reduced, promptly its reducing property does not reach optimum state; And produce Wound core process complexity at present, hidden danger of quality is many, causes a large amount of substandard products easily, and production process needs a large amount of manpowers, the material price is expensive simultaneously, and production cost is improved greatly.
Summary of the invention
At the deficiency of above-mentioned iron core in the prior art, one of purpose of the present invention is, provides a kind of operation few, and the one man operation just becomes to finish production, guarantees the Wound core preparation method of product quality simultaneously;
The present invention also aims to, but but provide a kind of withstand high temperatures simple in structure, layer insulation performance not to lose and the iron core of reinforcing material magnetic conduction effect.
The technical scheme that the present invention is adopted for achieving the above object is:
A kind of Wound core preparation method, it comprises a banded non-orientation magnetic material, it comprises the steps:
(1) preparation mix insulation coating: the surface that is used for evenly being coated in described non-orientation magnetic material, fully to be filled in the micro gap that this non-orientation magnetic material produces because of deformation, and infiltrate into non-orientation magnetic material inside, and can in high-temperature process, carry out siliconising to non-orientation magnetic material;
(2) material loading: a non-orientation magnetic material is positioned on the full-automatic feeder, and the fixing feeding fully of tight dress;
(3) feeding: the top part of above-mentioned non-orientation magnetic material is drawn to automatic winding-machine, and the location is equipped with production;
(4) setup parameter: according to the specification of the iron core of required production, in advance on full-automatic feeder and automatic winding-machine successively debugging set each relevant desired parameters;
(5) produce: open full-automatic feeder and automatic winding-machine, full-automatic feeder carries out the defeated non-orientation magnetic material of equal express delivery to automatic winding-machine, this automatic winding-machine is with pressure-sustaining gas and high oil pressure mode, and, make it form a tubular body in conjunction with the 360 degree described non-orientation magnetic materials of evenly suppressing, reel;
The no sequencing of above-mentioned steps (1) to (4).
Described step (1), it specifically comprises the steps:
(11) preparation raw material:
Preparation A material: the preparation granular size is 1800～2200 purpose silica;
Preparation B material: the preparation granular size is 1800～2200 purpose aluminium dihydrogen phosphates;
Preparation C material: preparation industrial alcohol;
(12) batching stirs: with the percentage by weight that above-mentioned A expects, B expects and C expects is that A material 28～34%, B material 28～34% and C expect that 38～42% carry out proportioning formation mix insulation coating, and at room temperature this mix insulation coating is stirred;
(13) mixing for standby use: after above-mentioned mix insulation coating evenly mixed, place 28～35 ℃ to preserve standby down.
Described step (4), it specifically comprises the steps:
(41) automatic control mode of full-automatic feeder of unlatching and automatic winding-machine, the setting pattern that enters each relevant parameter;
(42) correspondence is being set feed length, is dragging the sheet time-delay, is being pressed a position, position, welding position, pushing time, weld time, weldering to finish the parameter of time-delay, pushing iron core, coiled strip thickness, the coiling number of turns, product external diameter and product internal diameter on full-automatic feeder and automatic winding-machine successively, and wherein the relation formula of coiled strip thickness h, coiling number of turns n, iron core outer diameter D, iron core inner diameter d and iron core occupation efficiency η is as follows:
Wherein, iron core occupation efficiency η is 〉=98%.
Described step (5), it also comprises the steps:
(51) place mix insulation coating: the mix insulation coating after above-mentioned the stirring is put into the powder adding device of automatic winding-machine, and continue to remain on 28～35 ℃;
(52) regulate powder adding device: according to the specification of non-orientation magnetic material, thereby regulate the injected volume that described powder adding device is controlled mix insulation coating, so that can evenly be coated on this non-orientation magnetic material,
(53) apply mix insulation coating: continue to remain on 28～35 ℃, start described powder adding device, above-mentioned mix insulation coating evenly is coated on the surface of described non-orientation magnetic material, and make it form insulating coating;
(54) coiling non-orientation magnetic material: when step (53) is carried out, and start automatic winding-machine synchronously described non-orientation magnetic material is reeled, so that described mix insulation coating can in time be filled in the micro gap that this non-orientation magnetic material produces because of coiling, and infiltrate into non-orientation magnetic material inside.
A kind ofly implement the iron core that above-mentioned Wound core preparation method makes, it comprises a tubular body, it is characterized in that, described tubular body has mix insulation coating by a surface-coated, banded non-orientation magnetic material is reeled and is formed, and the relation formula of the thickness h of the occupation efficiency η of this tubular body, outer diameter D, inner diameter d, coiling number of turns n and this non-orientation magnetic material is as follows:
Wherein, iron core occupation efficiency η is 〉=98%.
Wherein, described mix insulation coating by
The A material: granular size is 1800～2200 purpose silica,
The B material: granular size is 1800～2200 purpose aluminium dihydrogen phosphates,
C material: industrial alcohol;
Above-mentioned A material, B material and C are expected to mix for the proportioning of A material 28～34%, B material 28～34% and C material 38～42% by weight percentage, and at room temperature even the stirring forms.
Described non-orientation magnetic material comprises soft magnetic iron alloy material and the goods thereof that the low-carbon (LC) that is provided with the single or double insulating barrier is siliceous or not siliceous.
Beneficial effect of the present invention is: method operation provided by the invention is few, the one man operation just can finish production, guarantee the precision and the consistency of product simultaneously, significantly improve the layer insulation performance of iron core, withstand high temperatures, magnetic conduction effect and qualification rate, and employing pressure-sustaining gas and high oil pressure mode, in conjunction with the evenly compacting of 360 degree, the coiling non-orientation magnetic material, cooperate mix insulation coating evenly to be coated on the surface of this non-orientation magnetic material simultaneously, the micro gap that produces because of material deformation with abundant filling also infiltrates into material internal, thereby improves the performance of product on the whole; And mix insulation coating has the good insulation performance performance, and tack, corrosion resistance are good, can tolerate 740～780 ℃ high temperature, and can carry out the siliconising operation to magnetic material in high-temperature process, guarantee product quality; But reasonable, the simple in structure withstand high temperatures of core structure provided by the invention, layer insulation performance height and have higher magnetic conduction effect, and the non-orientation magnetic material that adopts can adopt the siliceous or not siliceous soft magnetic iron alloy material and the goods thereof of low-carbon (LC) of single or double insulating barrier, greatly reduces production cost.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Description of drawings
Fig. 1 is a perspective view of the present invention;
The structural representation that Fig. 2 radially cuts open for Fig. 1;
Fig. 3 is the structure enlarged diagram of local A among Fig. 2.
Embodiment
Embodiment: referring to Fig. 1, Fig. 2 and Fig. 3, a kind of Wound core preparation method provided by the invention, it comprises a banded non-orientation magnetic material 11, it comprises the steps:
(1) preparation mix insulation coating 12: the surface that is used for evenly being coated in described non-orientation magnetic material 11, fully to be filled in the micro gap that this non-orientation magnetic material 11 produces because of deformation, and infiltrate into non-orientation magnetic material 11 inside, and can in high-temperature process, carry out siliconising to non-orientation magnetic material 11;
Concrete step is as follows:
(11) preparation raw material:
Preparation A material: the preparation granular size is 1800～2200 purpose silica;
Preparation B material: the preparation granular size is 1800～2200 purpose aluminium dihydrogen phosphates;
Preparation C material: preparation industrial alcohol;
(12) batching stirs: with the percentage by weight that above-mentioned A expects, B expects and C expects is that A material 28～34%, B material 28～34% and C expect that 38～42% carry out proportioning formation mix insulation coating 12, and at room temperature this mix insulation coating 12 is stirred;
(13) mixing for standby use: after above-mentioned mix insulation coating 12 evenly mixed, place 28～35 ℃ to preserve standby down.
(2) material loading: a non-orientation magnetic material 11 is positioned on the full-automatic feeder, and the fixing feeding fully of tight dress;
(3) feeding: the top part of above-mentioned non-orientation magnetic material 11 is drawn to automatic winding-machine, and the location is equipped with production;
(4) setup parameter: according to the specification of the iron core of required production, in advance on full-automatic feeder and automatic winding-machine successively debugging set each relevant desired parameters;
Concrete step is as follows:
(41) automatic control mode of full-automatic feeder of unlatching and automatic winding-machine, the setting pattern that enters each relevant parameter;
(42) correspondence is being set feed length, is dragging the sheet time-delay, is being pressed a position, position, welding position, pushing time, weld time, weldering to finish the parameter of time-delay, pushing iron core, coiled strip thickness, the coiling number of turns, product external diameter and product internal diameter on full-automatic feeder and automatic winding-machine successively, and wherein the relation formula of coiled strip thickness h, coiling number of turns n, iron core outer diameter D, iron core inner diameter d and iron core occupation efficiency η is as follows:
Wherein, iron core occupation efficiency η is 〉=98%.
(5) produce: open full-automatic feeder and automatic winding-machine, full-automatic feeder carries out the defeated non-orientation magnetic material 11 of equal express delivery to automatic winding-machine, this automatic winding-machine is with pressure-sustaining gas and high oil pressure mode, and, make it form a tubular body 1 in conjunction with the evenly compacting of 360 degree, the described non-orientation magnetic material 11 of reeling;
Concrete, comprise the steps:
(51) place mix insulation coating 12: the mix insulation coating 12 after above-mentioned the stirring is put into the powder adding device of automatic winding-machine, and continue to remain on 28～35 ℃;
(52) regulate powder adding device: according to the specification of non-orientation magnetic material 11, thereby regulate the injected volume that described powder adding device is controlled mix insulation coating 12, so that can evenly be coated on this non-orientation magnetic material 11;
(53) apply mix insulation coating 12: continue to remain on 28～35 ℃, start described powder adding device, above-mentioned mix insulation coating 12 evenly is coated on the surface of described non-orientation magnetic material 11, and make it form insulating coating;
(54) the coiling non-orientation magnetic material 11: when step (53) is carried out, and start automatic winding-machine synchronously described non-orientation magnetic material 11 is reeled, so that described mix insulation coating 12 can in time be filled in the micro gap that this non-orientation magnetic material 11 produces because of coiling, and infiltrate into non-orientation magnetic material 11 inside.
The no sequencing of above-mentioned steps (1) to (4).
A kind ofly implement the iron core that aforesaid Wound core preparation method makes, it comprises a tubular body 1, it is characterized in that, described tubular body 1 has mix insulation coating 12 by a surface-coated, banded non-orientation magnetic material 11 is reeled and is formed, and the relation formula of the thickness h of the occupation efficiency η of this tubular body 1, outer diameter D, inner diameter d, coiling number of turns n and this non-orientation magnetic material 11 is as follows:
Wherein, iron core occupation efficiency η is 〉=98%.
Described mix insulation coating 12 by
The A material: granular size is 1800～2200 purpose silica,
The B material: granular size is 1800～2200 purpose aluminium dihydrogen phosphates,
C material: industrial alcohol;
Above-mentioned A material, B material and C are expected to mix for the proportioning of A material 28～34%, B material 28～34% and C material 38～42% by weight percentage, and at room temperature even the stirring forms.
Described non-orientation magnetic material 11 comprises soft magnetic iron alloy material and the goods thereof that the low-carbon (LC) that is provided with the single or double insulating barrier is siliceous or not siliceous.
The non-orientation magnetic material 11 that adopts in the present embodiment is H series cold rolling non-orientation silicon steel sheets, and its model is H250～H1300, and its thickness h is 0.1～0.5mm; Among other embodiment, non-oriented silicon steel sheet also can be siliceous or not siliceous soft magnetic iron alloy material and the goods thereof of low-carbon (LC) that are provided with the single or double insulating barrier.Under the computer programming control of full-automatic feeder and automatic winding-machine, with constant voltage air pressure and high oil pressure mode, in conjunction with the evenly compacting of 360 degree, accurately iron core is produced in control, almost very close to each other between each layer silicon steel of composition iron core, and cooperate and apply mix insulation coating 12, show after tested and can promote iron core performance 35～40%, and mix insulation coating 12 has the good insulation performance performance, tack, corrosion resistance are good, can tolerate 740～780 ℃ high temperature, and can in high-temperature process, carry out the siliconising operation, guarantee product quality non-oriented silicon steel sheet.
As described in the above embodiment of the present invention, assembly that all employings are identical or close with it or method and other preparation method and the iron core that obtain are all in institute of the present invention protection range.
Claims (7)
1. Wound core preparation method, it comprises a banded non-orientation magnetic material, it is characterized in that it comprises the steps:
(1) preparation mix insulation coating: the surface that is used for evenly being coated in described non-orientation magnetic material, fully to be filled in the micro gap that this non-orientation magnetic material produces because of deformation, and infiltrate into non-orientation magnetic material inside, and can in high-temperature process, carry out siliconising to non-orientation magnetic material;
(2) material loading: a non-orientation magnetic material is positioned on the full-automatic feeder, and the fixing feeding fully of tight dress;
(3) feeding: the top part of above-mentioned non-orientation magnetic material is drawn to automatic winding-machine, and the location is equipped with production;
(4) setup parameter: according to the specification of the iron core of required production, in advance on full-automatic feeder and automatic winding-machine successively debugging set each relevant desired parameters;
(5) produce: open full-automatic feeder and automatic winding-machine, full-automatic feeder carries out the defeated non-orientation magnetic material of equal express delivery to automatic winding-machine, this automatic winding-machine is with pressure-sustaining gas and high oil pressure mode, and, make it form a tubular body in conjunction with the 360 degree described non-orientation magnetic materials of evenly suppressing, reel;
The no sequencing of above-mentioned steps (1) to (4).
2. according to the described Wound core preparation method of claim 1, it is characterized in that, described step (1), it specifically comprises the steps:
(11) preparation raw material:
Preparation A material: the preparation granular size is 1800～2200 purpose silica;
Preparation B material: the preparation granular size is 1800～2200 purpose aluminium dihydrogen phosphates;
Preparation C material: preparation industrial alcohol;
(12) batching stirs: with the percentage by weight that above-mentioned A expects, B expects and C expects is that A material 28～34%, B material 28～34% and C expect that 38～42% carry out proportioning formation mix insulation coating, and at room temperature this mix insulation coating is stirred;
(13) mixing for standby use: after above-mentioned mix insulation coating evenly mixed, place 28～35 ℃ to preserve standby down.
3. according to the described Wound core preparation method of claim 1, it is characterized in that, described step (4), it also comprises the steps:
(41) automatic control mode of full-automatic feeder of unlatching and automatic winding-machine, the setting pattern that enters each relevant parameter;
(42) correspondence is being set feed length, is dragging the sheet time-delay, is being pressed a position, position, welding position, pushing time, weld time, weldering to finish the parameter of time-delay, pushing iron core, coiled strip thickness, the coiling number of turns, product external diameter and product internal diameter on full-automatic feeder and automatic winding-machine successively, and wherein the relation formula of coiled strip thickness h, coiling number of turns n, iron core outer diameter D, iron core inner diameter d and iron core occupation efficiency η is as follows:
Wherein, iron core occupation efficiency η is 〉=98%.
4. according to the described Wound core preparation method of claim 1, it is characterized in that, described step (5), it also comprises the steps:
(51) place mix insulation coating: the mix insulation coating after above-mentioned the stirring is put into the powder adding device of automatic winding-machine, and continue to remain on 28～35 ℃;
(52) regulate powder adding device: according to the specification of non-orientation magnetic material, thereby regulate the injected volume that described powder adding device is controlled mix insulation coating, so that can evenly be coated on this non-orientation magnetic material;
(53) apply mix insulation coating: continue to remain on 28～35 ℃, start described powder adding device, above-mentioned mix insulation coating evenly is coated on the surface of described non-orientation magnetic material, and make it form insulating coating;
(54) coiling non-orientation magnetic material: when step (53) is carried out, and start automatic winding-machine synchronously described non-orientation magnetic material is reeled, so that described mix insulation coating can in time be filled in the micro gap that this non-orientation magnetic material produces because of coiling, and infiltrate into non-orientation magnetic material inside.
5. implement the iron core that the described Wound core preparation method of claim 1 makes for one kind, it comprises a tubular body, it is characterized in that, described tubular body has mix insulation coating by a surface-coated, banded non-orientation magnetic material is reeled and is formed, and the relation formula of the thickness h of the occupation efficiency η of this tubular body, outer diameter D, inner diameter d, coiling number of turns n and this non-orientation magnetic material is as follows:
Wherein, iron core occupation efficiency η is 〉=98%.
6. iron core according to claim 5 is characterized in that, described mix insulation coating by
The A material: granular size is 1800～2200 purpose silica,
The B material: granular size is 1800～2200 purpose aluminium dihydrogen phosphates,
C material: industrial alcohol;
Above-mentioned A material, B material and C are expected to mix for the proportioning of A material 28～34%, B material 28～34% and C material 38～42% by weight percentage, and at room temperature even the stirring forms.
7. iron core according to claim 5 is characterized in that, described non-orientation magnetic material comprises soft magnetic iron alloy material and the goods thereof that the low-carbon (LC) that is provided with the single or double insulating barrier is siliceous or not siliceous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010143892.2A CN101800127B (en) | 2010-04-12 | 2010-04-12 | Method for preparing winding iron core and iron core therewith |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010143892.2A CN101800127B (en) | 2010-04-12 | 2010-04-12 | Method for preparing winding iron core and iron core therewith |
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| CN101800127A true CN101800127A (en) | 2010-08-11 |
| CN101800127B CN101800127B (en) | 2012-12-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184775A (en) * | 2011-01-26 | 2011-09-14 | 湘潭市台日电气科技有限公司 | Method for manufacturing iron-based amorphous iron core with height of more than 45 millimeters |
| CN103346009A (en) * | 2013-07-24 | 2013-10-09 | 青岛菲特电器科技有限公司 | Electric reactor iron core winding method and product obtained through same |
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2010
- 2010-04-12 CN CN201010143892.2A patent/CN101800127B/en not_active Expired - Fee Related
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| CN102184775A (en) * | 2011-01-26 | 2011-09-14 | 湘潭市台日电气科技有限公司 | Method for manufacturing iron-based amorphous iron core with height of more than 45 millimeters |
| CN103346009A (en) * | 2013-07-24 | 2013-10-09 | 青岛菲特电器科技有限公司 | Electric reactor iron core winding method and product obtained through same |
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| Publication number | Publication date |
|---|---|
| CN101800127B (en) | 2012-12-26 |
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