CN202839191U - Semicircular neodymium iron boron magnet - Google Patents

Semicircular neodymium iron boron magnet Download PDF

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Publication number
CN202839191U
CN202839191U CN 201220516997 CN201220516997U CN202839191U CN 202839191 U CN202839191 U CN 202839191U CN 201220516997 CN201220516997 CN 201220516997 CN 201220516997 U CN201220516997 U CN 201220516997U CN 202839191 U CN202839191 U CN 202839191U
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CN
China
Prior art keywords
coating
magnet
neodymium iron
iron boron
semicircular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220516997
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Chinese (zh)
Inventor
张孙云
张宏芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO LINGKE NEW MATERIAL TECHNOLOGY CO., LTD.
Original Assignee
NINGBO HONGLEI MAGNETIC INDUSTRY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN 201220516997 priority Critical patent/CN202839191U/en
Application granted granted Critical
Publication of CN202839191U publication Critical patent/CN202839191U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a semicircular neodymium iron boron magnet. The semicircular neodymium iron boron magnet comprises a semicircular body, a cladding material and a coating. The cladding material is arranged on a surface of the body. The coating is arranged on the cladding material. The semicircular neodymium iron boron magnet has the advantages that the cladding material and the coating are arranged on the surface of the body, structure is simple and use is convenient. The semicircular neodymium iron boron magnet is capable of improving degree of protection to the magnet of the coating, reducing corrosion to the magnet of the environment, prolonging the service life of the magnet and improving the quality of the magnet and using precision of the magnet.

Description

A kind of semicircle neodymium iron boron magnetic body
Technical field
The utility model relates to a kind of magnet, particularly a kind of semicircle neodymium iron boron magnetic body.
Background technology
Neodymium-iron-boron magnetic material is as the latest result of rare earth permanent-magnetic material development, owing to its excellent magnetic property is called as " magnetic king ".Neodymium iron boron has high magnetic energy product and strong power, the advantage of high-energy-density is applied widely Nd-Fe-Bo permanent magnet material in modern industry and electronic technology simultaneously, thereby makes miniaturization, lightweight, the slimming of the equipment such as instrument and meter, electroacoustic motor, magnetic separation magnetization become possibility.The advantage of neodymium iron boron is that cost performance is high, the mechanical property that tool is good; Weak point is that Curie point is low, and temperature characterisitic is poor, and is easy to the efflorescence corrosion.Contain a large amount of rear earth element nds, iron and boron in the neodymium iron boron, its characteristic is hard and crisp.Because must carrying out face coat, the very easily oxidized corrosion in surface, neodymium iron boron process.The surface chemistry passivation is one of at present good solution.Neodymium iron boron has high magnetic energy product and coercive force as rare earth permanent-magnetic material a kind of, the advantage of high-energy-density is applied widely Nd-Fe-Bo permanent magnet material in modern industry and electronic technology simultaneously, thereby makes miniaturization, lightweight, the slimming of the equipment such as instrument and meter, electroacoustic motor, magnetic separation magnetization become possibility.The advantage of neodymium iron boron is that cost performance is high, the mechanical property that tool is good; Weak point is that Curie point is low, and temperature characterisitic is poor, and is easy to the efflorescence corrosion, must by adjusting its chemical composition and taking surface treatment method to make it to be improved, just can reach the requirement of practical application.Therefore in actual applications, must be by adjusting its chemical composition and taking surface treatment, to have improved the serviceability of neodymium iron boron magnetic body.
The utility model content
For addressing the above problem, the utility model discloses a kind of semicircle neodymium iron boron magnetic body, by coating and coating are set at body surface, simple in structure, easy to use, improved the resistance to corrosion of magnet, reduced the corrosion of environment to magnet, prolong the useful life of magnet, improved quality and the service precision of magnet.
The disclosed a kind of semicircle neodymium iron boron magnetic body of the utility model comprises semicircular body, coating and coating, and described coating is arranged on the surface of body, and described coating is arranged on the coating.The utility model has improved the resistance to corrosion of neodymium iron boron magnetic body by coating and coating are set at body, reduced magnet in use environment the corrosion of magnet has been improved the useful life of magnet.
A kind of improvement of the disclosed a kind of semicircle neodymium iron boron magnetic body of the utility model, described coating are that composite deposite comprises zinc coating or copper coating or nickel coating.The composite deposite of this improvement by arranging is conducive to improve coating with the tightness degree of the applying between the magnet body, thereby improved the oxidation resistance of magnet, promoted the quality of product.
Another improvement of the disclosed a kind of semicircle neodymium iron boron magnetic body of the utility model, described coating sets gradually zinc coating, copper coating and nickel coating by export-oriented body surface.This improvement is by zinc coating, copper coating and nickel coating that ecto-entad arranges, improved between the coating and coating and body between the tightness degree that is connected, thereby effectively improved the resistance to corrosion of magnet, improved useful life and the assembly precision of magnet.
Another improvement of the disclosed a kind of semicircle neodymium iron boron magnetic body of the utility model, described coating comprises passivation layer and coating layer, and described passivation layer is arranged on the surface of coating, and described coating layer is arranged on the surface of passivation layer.Passivation layer and the coating layer of this improvement by arranging improved the corrosion resistance of magnet, thereby improved the serviceability of magnet, also improved simultaneously the useful life of magnet, reduced the working service cost of magnet.
The disclosed a kind of semicircle ndfeb magnet of the utility model, by coating and the coating that arranges, effectively improved the adhesive property between magnet body and coating and the coating, thereby effectively improved the resistance to corrosion of magnet, improved the useful life of magnet, thereby improve useful life and the serviceability of associated electronic device, reduced use cost and maintenance cost.
Description of drawings
Fig. 1, partial section of the present utility model;
Reference numerals list: 1, body, 2, coating, 3, coating.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand following embodiment and only be used for explanation the utility model and be not used in restriction scope of the present utility model.
As shown in Figure 1, the disclosed a kind of semicircle neodymium iron boron magnetic body of the utility model comprises semicircular body 1, coating 2 and coating 3, and described coating 2 is arranged on the surface of body 1, and described coating 3 is arranged on the coating 2.The utility model has improved the resistance to corrosion of neodymium iron boron magnetic body by coating and coating are set at body, reduced magnet in use environment the corrosion of magnet has been improved the useful life of magnet.
As a kind of preferred, described coating 2 comprises zinc coating or copper coating or nickel coating for composite deposite.The composite deposite of the utility model by arranging is conducive to improve coating with the tightness degree of the applying between the magnet body, thereby improved the oxidation resistance of magnet, promoted the quality of product.
As a kind of preferred, described coating 2 sets gradually zinc coating, copper coating and nickel coating by export-oriented body surface.Zinc coating, copper coating and nickel coating that the utility model arranges by ecto-entad, improved between the coating and coating and body between the tightness degree that is connected, thereby effectively improved the resistance to corrosion of magnet, improved useful life and the assembly precision of magnet.
As a kind of preferred, described coating 3 comprises passivation layer and coating layer, and described passivation layer is arranged on the surface of coating, and described coating layer is arranged on the surface of passivation layer.Passivation layer and the coating layer of the utility model by arranging improved the corrosion resistance of magnet, thereby improved the serviceability of magnet, also improved simultaneously the useful life of magnet, reduced the working service cost of magnet.
As a kind of preferred, coating 2 adopts to be electroplated or plasma coating; Coating 3 adopts brushing or immersion deposition or adopts the technology of repeatedly brushing or Multiple depositions; to have improved the intensity of coating; quality and the density of coating and coating have been improved; improve coating and coating to the protective capability of magnet; prolong quality and the useful life of magnet, and then improve the quality of application product.
The disclosed a kind of semicircle ndfeb magnet of the utility model, by coating and the coating that arranges, effectively improved the adhesive property between magnet body and coating and the coating, thereby effectively improved the resistance to corrosion of magnet, improved the useful life of magnet, thereby improve useful life and the serviceability of associated electronic device, reduced use cost and maintenance cost.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme that is comprised of above technical characterictic combination in any.The above is embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.

Claims (4)

1. semicircle neodymium iron boron magnetic body, it is characterized in that: comprise semicircular body, coating and coating, described coating is arranged on the surface of body, and described coating is arranged on the coating.
2. a kind of semicircle neodymium iron boron magnetic body according to claim 1, it is characterized in that: described coating is that composite deposite comprises zinc coating or copper coating or nickel coating.
3. a kind of semicircle neodymium iron boron magnetic body according to claim 2, it is characterized in that: described coating sets gradually zinc coating, copper coating and nickel coating by export-oriented body surface.
4. a kind of semicircle neodymium iron boron magnetic body according to claim 1, it is characterized in that: described coating comprises passivation layer and coating layer, and described passivation layer is arranged on the surface of coating, and described coating layer is arranged on the surface of passivation layer.
CN 201220516997 2012-10-10 2012-10-10 Semicircular neodymium iron boron magnet Expired - Fee Related CN202839191U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220516997 CN202839191U (en) 2012-10-10 2012-10-10 Semicircular neodymium iron boron magnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220516997 CN202839191U (en) 2012-10-10 2012-10-10 Semicircular neodymium iron boron magnet

Publications (1)

Publication Number Publication Date
CN202839191U true CN202839191U (en) 2013-03-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220516997 Expired - Fee Related CN202839191U (en) 2012-10-10 2012-10-10 Semicircular neodymium iron boron magnet

Country Status (1)

Country Link
CN (1) CN202839191U (en)

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: NINGBO LINGKE NEW MATERIAL TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: NINGBO HONGLEI MAGNETISM INDUSTRY CO., LTD.

Effective date: 20130527

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 315195 NINGBO, ZHEJIANG PROVINCE TO: 315000 NINGBO, ZHEJIANG PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20130527

Address after: Yinzhou District Qiuai Town West Caojing road 315000 in Zhejiang province Ningbo City No. 18

Patentee after: NINGBO LINGKE NEW MATERIAL TECHNOLOGY CO., LTD.

Address before: 315195, No. 20, Longteng Road, Maoshan Industrial Zone, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District

Patentee before: Ningbo Honglei Magnetic Industry Co., Ltd.

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20131010