China manufacturer super strong high grade rare earth sintered permanent Stepper Gearmotors Magnets/ndfeb magnet/neodymium magnet
| Â 1. Â Excellent performance neodymium magnet for compressor,motor,rotor |
| Â 2. Â Low temperature coefficient. |
| Â 3. Â Irreversible demagnetizaion rate on high temperature. |
| Â 4. Â High corrosion resistance under high temperature environment fill with freon. |
| Â 5. Â Improve the efficiency and stability of air conditioner's compressor. |
1. Neodymium magnet description:Â
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| Product name |
Ndfeb neodymium magnet/ndfeb magnet/neodymium magnet |
| Shape |
Block(Sintered NdFeB magnets shape can customized) |
| Material |
NdFeB (Neodymium Iron Boron) |
| Coating |
Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper etc. |
| Tolerance in size |
+/-0.05mm or +/-0.1mm |
| Magnetization direction |
Thickness, Length, axially, diameter, radially, multipolar |
| Grade |
N33-N52;N33M-N50M;N33H-N48H; N30SH-N45SH;N30UH-N40UH; N28EH-N38EH,N28AH-N35AH |
| Br(kgs) |
N35(11.8-12.2);N52(14.4-14.8);N35M(11.8-12.2);N30H(10.8-11.3); N30SH(10.8-11.2); N30UH(10.8-11.2); U30EH(10.8-11.2) |
| Hcj(ka/m) |
N35≥955;  N52≥876;   N30SH≥1353;   N33AH≥2785 |
| TW(degrees celsius)Â |
N35≤80;    N52≤70;   N30SH≤150;   N33AH≤240 |
| Application |
NdFeB neodymium rare earth permanent magnets are widely use in many different area, such as motors, sensor, speaker, rotors, alarm, microphone, wind turbines/wind generators, magnetic hooks, magnetic holder, filters automobiles and so on |
| MOQ |
Samples could be offered |
| Delivery time |
3 to 10 days for sample, 10 to 30 days for order. (According to the stock information) |
| Certification |
ROHS, SGS, ISO9001 |
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2.Magnetic properties and grade:
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Grade |
Br mT
(KG). |
Hcb KA/m
(k0e) |
Hcj KA/m
(Koe) |
BHmax kj/m3
(Mgoe) |
Max OperationÂ
Temperature |
N35 |
1170-1210(11.7-12.1). |
≥868(≥10.9) |
≥955(≥12) |
263-287(33-36) |
80 |
N38 |
1210-1250(12.1-12.5) |
≥899(≥11.3) |
≥955(≥12) |
287-310(36-39) |
80 |
N42 |
1280-1320(12.8-13.2) |
≥923(≥11.6) |
≥955(≥12) |
318-342(40-43) |
80 |
N45 |
1320-1380(13.2-13.8) |
≥876(≥11.0) |
≥955(≥12) |
342-366(43-46) |
80 |
N48 |
1380-1420(13.8-14.2) |
≥835(≥10.5) |
≥876(≥11) |
366-390(46-49) |
80 |
N50 |
1400-1450(14.0-14.5) |
≥835(≥10.0) |
≥880(≥11) |
376-408(47-51) |
80 |
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3. Neodymium magnet shape and application:
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SHAPE |
APPLICATION |
|
Cylinder NdFeB Magnets
Disc NdFeB Magnets
|
a) Motors
b) Sensors
c) Microphones
d) Switchboard
|
|
Block Neodymium
Cube Shape Magnet
|
a) VCM
b) Printer
c) Magnetic chuck
d) Switchboard
|
|
Ring Neodymium Magnets
Bar Magnets
|
a) Horn, Trumpet
b) Magnetic separation
c) Loudspeakers
|
|
Segment NeodymiumÂ
Arc Segment Magnets
|
a) Motor
b) Wind turbines
c) Wind generators
d) Switchboard
|
|
Customized Size
Neodymium Magnets
|
a) Motors
b) Permanent-magnet machine
c) Magnetic device
d) Magnetic therapy
|
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4. Our Neodymium Magnet  Advantages:
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1. High Performance :
Our neodymium magnet for variable frequency compressor,motor, rotor..
2. High Consistancy :
Our neodymium, (Br) and (Hcj) are much higher than 1.63. The consistency of the surface magnetic field and magnetic flux can be controlled at +/-0.05%.
3. High Working Temperature :
Our neodymium magnet can satisfy the working temperature requirements with excellent temperature resistance. can be in most applications.
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5. Neodymium magnet production flow:
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Neodymium magnet melting-Pulverization-Magnetic filed orientation and molding-Sintering-Semi-finished inspection-Precision machining for cutting-Surface treatment-Magnetizing machine-inspection&packing-Ex factory
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6.FAQ for neodymium magnet?
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1. Material type and grade required?
2. Size and shape? if available, a sketch or drawing with dimensions and tolerances.
3. Application of the magnets?
4. Max working temperature?
5. How many pcs you want?
6. Delivery with Magnetized or not? Magnetization direction?
7. When you need goods arrived?
8. How to help your project?
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 7. Company Information:Â
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Established in 2008, located in Dongguan City, Dongguan Cirun Electronics Co., Ltd. is a high-tech manufacturer for magnetic material, we mainly specialize in permanent neodymium magnet and ferrite magnet.
Our factory have 3000 square meters area, with first-class production equipment and perfect testing philosophy, that means we can provide top-quality products for our customers. Now we have export our magnet to Europe, North American, Southeast Asian and other countires.
For all, We persist in providing superior quality, competitive prices as well as prompt delivery. Based on this strong background for many years. We serve our customers sincerely while they treat us as their trustful friends.
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8.Our Services:
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A: What's the payment we accept?
For small order: T/T, Western Union, Paypal, Escrow. Need full payment in advance.
For big order: T/T, L/C, D/P, D/A, Western Union, Escrow. 30% deposit in advance, 70% payment before shipping.
B: What's the MOQ?
10pcs, 100pcs, 500pcs, 50000pcs, 500000pcs etc, depend to the different size, item, design and process.
Sample order is accepted.
C: What's the delivery time?
5 to 30 days, according to the quantity, stock information and your special request, will give the accurate delivery time when you contact us.
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D: Where's your company?
Welcome customer to visit our company, full address is:Â A106 Building Fumin Road, Shuiku Industrial Area, Guanjingtou Village, Fenggang Town, Dongguan, Guangdong, China
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E: How can i contact you?
Here is the contact information, please feel free to contact us in anytime, we will try to reply you within 24 hours.
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9. Contact infomation:
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Brian /Sales Manager
Dongguan Cirun Electronics Co.,Ltd
Cel:0086-18575319697
Tel: 0086-769-87564898Â Â
Fax: 0086-769-89930719
Web: www.dgcirun.com
http://dgcirun.en.alibaba.com
http://dgcirun.en.made-in-china.com
2F,A106 Fumin Road, Shuiku Industrial Area, Fenggang Town, Dongguan, China
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