CN104175681A - Novel cold-rolled silicon steel sheet - Google Patents
Novel cold-rolled silicon steel sheet Download PDFInfo
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- CN104175681A CN104175681A CN201410377565.1A CN201410377565A CN104175681A CN 104175681 A CN104175681 A CN 104175681A CN 201410377565 A CN201410377565 A CN 201410377565A CN 104175681 A CN104175681 A CN 104175681A
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Abstract
The invention discloses a novel cold-rolled silicon steel sheet. The silicon steel sheet comprises a base material layer and surface coating layers, wherein the surface coating layers are formed on the upper surface and the lower surface of the base material layer; the base material layer is made of a cold-rolled silicon steel sheet; each surface coating layer is a semi-inorganic coating layer; and the main components of each surface coating layer comprise inorganic resin, an inorganic salt solution and organic resin powder. The invention discloses a novel cold-rolled silicon steel sheet; the silicon steel sheet is reasonable in structural design; the components of each surface coating layer are scientific in preparation and moderate in cost, excellent properties of adhesiveness and high-temperature resistance can be shown in the using process of the silicon steel sheet, so that the silicon steel sheet can have the relatively excellent punching and shearing processability and welding property and the use property of the silicon steel sheet is also effectively improved.
Description
Technical field
The present invention relates to a kind of cold-reduced silicon sheet, relate in particular to a kind of stable insulation, Novel cold rolling silicon steel sheet that processing performance is good, belong to technical field of electronic materials.
Background technology
Silicon steel sheet be silicone content at 3%-5% Antaciron, it is indispensable important magnetically soft alloy in electric power, electronics and war industry, is also the Metallic Functional Materials of output maximum, mainly as the iron core of various motors, generator and transformer.The complex manufacturing of silicon steel sheet, manufacturing technology is strict, and external production technology is all protected with patent form, is considered as the life of enterprise.
In the time manufacturing motor, household electrical appliance and transformer core, silicon steel sheet punching need to be become to the stock of core configuration, by argon arc welding and hot-cast aluminium, the chip edge of the predetermined quantity of folding is fixed.Therefore, the face coat of silicon steel sheet not only needs to have good insulating properties and higher interface resistance, but also must have good punching processability, tack, weldability, oil resistivity and the performance such as high temperature resistant simultaneously.Existing coating for silicon steel sheet material mainly comprises: inorganic coating, organic coating, half inorganic coating three major types.At present, what the common use of the manufacturer of silicon steel sheet was more in the world is half inorganic coating, still, the complicated component of half inorganic coating, numerous in variety, cause the process industrial art performance level of silicon steel sheet uneven, therefore, the composition of half inorganic coating and preparation technology need further perfect.
Summary of the invention
For the demand, the invention provides a kind of Novel cold rolling silicon steel sheet, this silicon steel structure is reasonable in design, stable performance, rationally, tack and resistance to elevated temperatures are outstanding, make the silicon steel sheet making have more good punching processability and welding performance in each component configuration in top coat.
The present invention is a kind of Novel cold rolling silicon steel sheet, this silicon steel sheet comprises substrate layer and top coat, described top coat takes shape in the upper and lower faces of substrate layer, described substrate layer material is cold-reduced silicon sheet, described top coat is half inorganic coating layer, and the main component of described top coat comprises organic resin, inorganic salt solution and organic resin powder.
In a preferred embodiment of the present invention, described substrate layer thickness is about 0.15-0.18mm.
In a preferred embodiment of the present invention, the molding thickness of described top coat is about 4.5-5um.
In a preferred embodiment of the present invention, the organic resin in described top coat can be selected one or both the condensate in acrylic resin or acrylic resin and Merlon, melamine, epoxy resin.
In a preferred embodiment of the present invention, the inorganic salt solution in described top coat can be the phosphate solution that contains calcium, magnesium, zinc, conventionally adds the reinforces such as alundum (Al2O3), titanium dioxide in inorganic salt solution.
In a preferred embodiment of the present invention, the organic resin powder in described top coat is selected polystyrene and copolymer thereof, and the average particulate diameter of powder is about 3um.
The present invention has disclosed a kind of Novel cold rolling silicon steel sheet, this silicon steel structure is reasonable in design, each component scientific allocation in its top coat, cost is moderate, in the use procedure of silicon steel sheet, show excellent tack and the performance such as high temperature resistant, and can make silicon steel sheet there is more good punching processability and welding performance, effectively promote the serviceability of silicon steel sheet.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of embodiment of the present invention Novel cold rolling silicon steel sheet;
In accompanying drawing, the mark of each parts is as follows: 1, substrate layer, 2, top coat.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Fig. 1 is the structural representation of embodiment of the present invention Novel cold rolling silicon steel sheet; This silicon steel sheet comprises substrate layer 1 and top coat 2, described top coat 2 takes shape in the upper and lower faces of substrate layer 1, described substrate layer 1 material is cold-reduced silicon sheet, described top coat 2 is half inorganic coating layer, and the main component of described top coat 2 comprises organic resin, inorganic salt solution and organic resin powder.
In the Novel cold rolling silicon steel sheet of mentioning in the present invention, substrate layer 1 thickness is about 0.15-0.18mm; The molding thickness of top coat 2 is about 4.5-5um.
Organic resin in top coat 2 can be selected one or both the condensate in acrylic resin or acrylic resin and Merlon, melamine, epoxy resin; Inorganic salt solution can be the phosphate solution that contains calcium, magnesium, zinc, conventionally adds the reinforces such as alundum (Al2O3), titanium dioxide in inorganic salt solution; Organic resin powder is selected polystyrene and copolymer thereof, and the average particulate diameter of powder is about 3um.
The concrete preparation process of the Novel cold rolling silicon steel sheet that the present invention mentions is as follows:
A) pretreatment of organic resin powder, organic resin powder is selected polystyrene and copolymer thereof, and the average particulate diameter of this powder is about 3um; The auxiliary agent that powder pretreatment is used is anion disperse promoter, treatment facility is selected ball mill, organic resin powder and auxiliary agent mix according to the portion rate of 100:2.5, and ball mill barrel temperature is controlled at 70 DEG C-80 DEG C, and Ball-milling Time is about 1.5-2 hour;
B) preparation half inorganic coating, the main component of coating and portion rate thereof are: 80 parts of organic resins, 100 parts of inorganic salt solutions, 15 parts of organic resin powders; Organic resin in coating is selected acrylic resin; Inorganic salt solution is selected the phosphate solution of calcic; Organic resin powder is for passing through step a) powder after treatment;
Process for preparation carries out in centrifugal blender, first, pretreated organic resin powder and organic resin is added to mixing drum, adds appropriate anion disperse promoter, and agitator temperature is controlled at 60 DEG C-65 DEG C, and mixing time is about 35-40 minute; Then, in agitator, add inorganic salt solution, agitator temperature increase to 80 DEG C left and right, mixing time is about 50-55 minute;
C) machinery coating, coating apparatus is selected the horizontal coating machine of three rollers, and the clearance control between material-picking roller and carrying roller is at 22-24um, and roller speed ratio is 0.3-0.35; Pressure between carrying roller and coating roll is about 10MPa, and roller speed ratio is 1.4-1.5; Pressure between coating roll and silicon steel sheet is controlled at 15MPa, and roller speed ratio is 1.1-1.2, and prepared coating layer thickness is about 4.5-5um, and averag density is controlled at 1.4-1.6 gram/m;
D) baking is dry, and the silicon steel sheet after coating carries out drying and processing in monoblock type baking oven, and temperature is controlled at 300 DEG C-320 DEG C, and the time is about 1.2 hours;
E) silicon steel sheet post processing, post processing comprises washing, oven dry, cutting edge, cut out and finished product packing etc.
The present invention has disclosed a kind of Novel cold rolling silicon steel sheet, be characterized in: this silicon steel structure is reasonable in design, each component scientific allocation in its top coat, cost is moderate, in the use procedure of silicon steel sheet, show excellent tack and the performance such as high temperature resistant, and can make silicon steel sheet there is more good punching processability and welding performance, effectively promote the serviceability of silicon steel sheet.
The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. a Novel cold rolling silicon steel sheet, it is characterized in that, this silicon steel sheet comprises substrate layer and top coat, described top coat takes shape in the upper and lower faces of substrate layer, described substrate layer material is cold-reduced silicon sheet, described top coat is half inorganic coating layer, and the main component of described top coat comprises organic resin, inorganic salt solution and organic resin powder.
2. Novel cold rolling silicon steel sheet according to claim 1, is characterized in that, described substrate layer thickness is about 0.15-0.18mm.
3. Novel cold rolling silicon steel sheet according to claim 1, is characterized in that, the molding thickness of described top coat is about 4.5-5um.
4. Novel cold rolling silicon steel sheet according to claim 1, is characterized in that, the organic resin in described top coat can be selected one or both the condensate in acrylic resin or acrylic resin and Merlon, melamine, epoxy resin.
5. Novel cold rolling silicon steel sheet according to claim 1, is characterized in that, the inorganic salt solution in described top coat can be the phosphate solution that contains calcium, magnesium, zinc, conventionally adds the reinforces such as alundum (Al2O3), titanium dioxide in inorganic salt solution.
6. Novel cold rolling silicon steel sheet according to claim 1, is characterized in that, the organic resin powder in described top coat is selected polystyrene and copolymer thereof, and the average particulate diameter of powder is about 3um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410377565.1A CN104175681A (en) | 2014-08-04 | 2014-08-04 | Novel cold-rolled silicon steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410377565.1A CN104175681A (en) | 2014-08-04 | 2014-08-04 | Novel cold-rolled silicon steel sheet |
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| Publication Number | Publication Date |
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| CN104175681A true CN104175681A (en) | 2014-12-03 |
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| CN201410377565.1A Pending CN104175681A (en) | 2014-08-04 | 2014-08-04 | Novel cold-rolled silicon steel sheet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928567A (en) * | 2015-06-25 | 2015-09-23 | 宝山钢铁股份有限公司 | Grain-oriented silicon steel with good machining performance and production method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004051686A (en) * | 2002-07-17 | 2004-02-19 | Kansai Paint Co Ltd | Electrodeposition coating material and coated article |
| CN103013195A (en) * | 2012-12-18 | 2013-04-03 | 南京航空航天大学 | Semi-inorganic environment-friendly insulating paint for non-oriented silicon steel and coating preparation method thereof |
| CN103600528A (en) * | 2013-10-29 | 2014-02-26 | 昆山好利达包装有限公司 | Baking packing material |
-
2014
- 2014-08-04 CN CN201410377565.1A patent/CN104175681A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004051686A (en) * | 2002-07-17 | 2004-02-19 | Kansai Paint Co Ltd | Electrodeposition coating material and coated article |
| CN103013195A (en) * | 2012-12-18 | 2013-04-03 | 南京航空航天大学 | Semi-inorganic environment-friendly insulating paint for non-oriented silicon steel and coating preparation method thereof |
| CN103600528A (en) * | 2013-10-29 | 2014-02-26 | 昆山好利达包装有限公司 | Baking packing material |
Non-Patent Citations (1)
| Title |
|---|
| 储双杰: "硅钢绝缘涂层的研究进展", 《材料科学与工程》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104928567A (en) * | 2015-06-25 | 2015-09-23 | 宝山钢铁股份有限公司 | Grain-oriented silicon steel with good machining performance and production method thereof |
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Application publication date: 20141203 |