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Ndfeb Ring Magnet Magnetic Material For Motor Loudspeaker

Ndfeb rings can be used for loudspeakers
Ndfeb rings can be used for loudspeakers
Ndfeb rings can be used for loudspeakers
Ndfeb rings can be used for loudspeakers

Ndfeb Ring Magnet Magnetic Material For Motor Loudspeaker

Ndfeb magnetic materials are widely used in various industries, and we support customization of various sizes

  • Brand:

    KINGS MAGNET
  • Order(MOQ):

    20
  • Payment:

    100% in advance
  • Product Origin:

    China
  • Shipping Port:

    Xiamen/Ningbo/Shanghai
  • Color:

    Galvanized, gold-plated, nickel-plated,Black epoxy
  • Lead Time:

    25-35 days

Product  Description

Ndfeb magnets are the strongest rare earth magnets on the market and come in a variety of shapes, sizes and grades. As a supplier, we support the customization of various sizes to meet your various needs

 

1.Grade of NdFeB magnet.

The properties of NdFeb are divided according to different temperatures. You can choose the appropriate performance according to the actual operating temperature. The higher the temperature resistance, the higher the performance, and the more expensive the price.

Grade

BrmT(KG)

bHc KA/m(KOe) 

iHc KA/m(KOe) 

(BH)maxKJ/m3

(MGOe)

Tw.℃

N35

1170-1220(11.7-12.2)

≥868( ≥10.9)

≥955(≥12)

263-287(33-36)

80℃

N38

1220-1250(12.2_12.5)

≥899( ≥11.3)

≥955 ( ≥12)

287-310(36-39)

80℃

N40

1250-1280 (12.5-12.8)

≥907 ( ≥11.4)

≥955 ( ≥12)

302-326(38-41)

80℃

N42

1280-1320(12.8-13.2)

≥915( ≥11.5)

≥955 ( ≥12)

318-342(40-43)

80℃

N45

1320-1380(13.2-13.8)

≥923 ( ≥11.6)

≥955 ( ≥12)

342-366(43-46)

80℃

N48

1380-1420(13.8-14.2)

≥923( ≥11.6)

≥955 ( ≥12)

366-390(46-49)

80℃

N50

1400-1450(14.0-14.5)

≥796( ≥10.0)

≥876( ≥11)

382-406(48-51)

60℃

N52

1430-1480(14.3-14.8)

≥796( ≥10.0)

≥876 ( ≥11)

398-422(50-53)

60℃

35M

1170-1220(11.7-12.2)

≥868( ≥10.9)

≥1114 ( ≥14)

263-287(33-36)

100℃

38M

1220-1250(12.2-12.5)

≥899( ≥11.3)

≥1114(≥14)

287-310(36-39)

100℃

40M

1250-1280(12.5-12.8)

≥923( ≥11.6)

≥1114 ( ≥14)

302-326(38-40)

100℃

42M

1280-1320(12.8-13.2)

≥955(≥12.0)

≥1114( ≥14)

318-342(40-43)

100℃

45M

1320-1380(13.2-13.8)

≥955 ( ≥12.5)

≥1114( ≥14)

342-366(43-46)

100℃

48M

1360-1430(13.6-14.3)

≥1027( ≥12.9)

≥1114 ( ≥14)

366-390(46-49)

100℃

50M

1400-1450(14.0-14.5)

≥1033 ( ≥13.0)

≥1114 ( ≥14)

382-406(48-51)

100℃

35H

1170-1220(11.7-12.2)

≥868( ≥10.9)

≥1353 ( ≥17)

263-287(33-36)

120℃

38H

1220-1250(12.2-12.5)

≥899( ≥11.3)

≥1353 ( ≥17)

287-310(36-39)

120℃

40H

1250-1280(12.5-12.8)

≥923 ( ≥11.6)

≥1353 ( ≥17)

302-326(38-41)

120℃

42H

1280-1320(12.8-13.2)

≥955 ( ≥12.0)

≥1353 ( ≥17)

318-342(40-43)

120℃

45H

1300-1360(13.0-13.6)

≥963 ( ≥12.1)

≥1353 ( ≥17)

326-358(43-46)

120℃

48H

1370-1430(13.7-14.3)

≥955 ( ≥12.5)

≥1353 ( ≥17)

366-390(46-49)

120℃

30SH

1080-1130(10.8-11.3)

≥804 ( ≥10.1)

≥1592 ( ≥20)

233-247(28-31)

150℃

33SH

1130-1170(11.3-11.7)

≥844( ≥10.6)

≥1592 ( ≥20)

247-271(31-34)

150℃

35SH

1170-1220(11.7-12.2)

≥876( ≥11.0)

≥1592 ( ≥20)

263-287(33-36)

150℃

38SH

1220-1250(12.2-12.5)

≥907(≥11.4)

≥1592 ( ≥20)

287-310(36-39)

150℃

40SH

1240-1280(12.5-12.8)

≥939( ≥11.8)

≥1592 ( ≥20)

302-326(38-41)

150℃

42SH

1280-1320(12.8-13.2)

≥987(≥12.4)

≥1592 ( ≥20)

318-342(40-43)

150℃

45SH

1320-1380(13.2-13.8)

≥1003 ( ≥12.6)

≥1592 ( ≥20)

342-366(43-46)

150℃

30UH

1080-1130(10.8-11.3)

≥812 ( ≥10.2)

≥1990 ( ≥25)

223-247(28-31)

180℃

33UH

1130-1170(11.3-11.7)

≥852( ≥10.7)

≥1990 ( ≥25)

247-271(31-34)

180℃

35UH

1180-1220(11.8-12.2)

≥860 ( ≥10.8)

≥1990 ( ≥25)

263-287(33-36)

180℃

38UH

1220-1250(12.2-12.5)

≥876 ( ≥11.0)

≥1990 ( ≥25)

287-310(36-39)

180℃

40UH

1240-1280(12.4-12.8)

≥899 ( ≥11.3)

≥1990 ( ≥25)

302-326(38-41)

180℃

28EH

1040-1090(10.4-10.9)

≥780 ( ≥9.8)

≥2388 ( ≥30)

207-231(26-29)

200℃

30EH

1080-1130(10.8-11.3)

≥812( ≥10.2)

≥2388( ≥30)

223-247(28-31)

200℃

33EH

1130-1170(11.3-11.7)

≥836( ≥10.5)

≥2388 ( ≥30)

247-271(31-34)

200℃

35EH

1170-1220(11.7-12.2)

≥876( ≥11.0)

≥2388 ( ≥30)

263-287(33-36)

200℃

38EH

1220-1250(12.2-12.5)

≥899 ( ≥11.3)

≥2388( ≥30)

287-310(36-39)

200℃

40EH

1240-1280(12.4-12.8)

≥939(≥11.6)

≥2388 ( ≥30)

302-326(38-41)

200℃

30AH

1080-1120(10.8-11.2)

≥804( ≥10.1)

≥2786( ≥35)

223-239(28-30)

220℃

33AH

1140-1170(11.4-11.7)

≥844( ≥10.6)

≥2786 ( ≥35)

247-263(31-33)

220℃

35AH

1170-1210(11.7-12.1)

≥876( ≥10.9)

≥2786( ≥35)

263-279(33-35)

220℃

2.Size(The range of sizes we can produce

Ring neodymium magnet:

 

Outer Diameter(mm)

Inner Daimeter(mm)

Hight (mm)

Tolerance or 

Wall Thickness (mm)

Direction of Magnetzation

3 ≦ OD ≦ 240

1 ≦ ID ≦ 200

1 ≦ H ≦ 80

+/-0.05 - +/-0.1

Axial Magnetized

3 ≦ OD ≦ 90

1 ≦ ID ≦ 70

1 ≦ H ≦ 80

+/-0.05 - +/-0.1

Diametrical Magnetized

20 ≦ OD ≦ 75

15 ≦ ID ≦ 68

5 ≦ H ≦ 50

2 ≦ T ≦ 7

Radial Magnetized

 

3.Direction of magnetization of Ndfeb magnet.

4.Coating

 

5.Application

1. Motors

2. Magnetic separation

3. Microphones

4. Wind turbines

5. Wind generators,etc.

6.Technological process of production of Sintered NdFeb magnet.

7.Our Workshop

8.Transportation

9.Our  Certificate

 

 

 

FAQ

 

Q1. Why is the price of sample higher than that of batch?

A: For samples we don't have any profit. We only charge the cost of materials and labor. As a manufacturer, the more quantity produced, the lower the unit cost.

 

Q2.Why do I get magnets that break so easily?

A: Magnets are designed to be brittle and fragile. Remove the metal from the working area before using the magnet. Keep the distance between the magnets when using them at the same time. Even small magnets attracted to each other can break with such force.

 

Q3. Do you support exchange and return service?If I buy a magnet and I can't use it.

A: We do not support return or exchange service. As you know, the magnet is a custom product, which is completely customized according to your requirements. This product cannot be resold to others.

 

Q4. What will you do if there is a quality problem?

A: If you have any problem after receiving the magnet, please contact us immediately and shoot a video to us. We make records and take pictures of all the details when we ship. If it's our fault, we'll take the blame. If it happened in transit, we are not responsible for it.

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