Strong Magnet NdFeB magnets Amazon Supplier

Short Description:

Place of Origin:Fujian, China
Model Number:N30-N55(M, H, SH, UH, EH, AH)
Type:Permanent
Composite:NdFeB Magnet
Shape:Customized
Application:Industrial Magnet
Tolerance:±1%
Grade:Neodymium Iron Boron
Delivery Time:1-7 days if in stock
Diameter:150mm
OEM/ODM:Accept
Coating:Zn/Ni/Epoxy/etc…
Direction:Axial/Radial/multi-poles/etc…
MOQ:No MOQ
Sample:Free sample if in stock
Lead Time:1-7 days if in stock
Payment Term: Negotiated(100%,50%,30%, other mothods)
Transportation:Sea, Air, Train, Truck, etc….
Certification:IATF16949, ISO9001, ROHS, REACH, EN71, CE, CHCC

Product Detail

Product Tags

Neodymium Magnet Customization

Product Name:
Neodymium Magnet, NdFeB Magnet
 
 
 
 
 
 

Grade & Working Temperature:

Grade
Working Temperature
N25-N55
+80℃ / 176℉
N30M-N52M
+100℃ / 212℉
N30H-N52H
+120℃ / 248℉
N30SH-N50SH
+150℃ / 302℉
N25UH-N50UH
+180℃ / 356℉
N28EH-N48EH
+200℃ / 392℉
N28AH-N45AH
+220℃ / 428℉
Coating:
Ni, Zn, Au, Ag, Epoxy, Passivated, etc..
Application:
Sensors, motors, filter automobiles, magnetic holders, loudspeakers, wind generators,  medical equipment, etc.
Advantage:
20 years manufacture experiences with various grades, best the price with good performance, and do customization according to the request.

Neodymium Magnet Catalogue

1659428646857_副本2
1659429080374_副本
1659429144438_副本

Neodymium magnet special shape

Ring shape neodymium magnet

NdFeB square counterbore

1659429196037_副本
1659429218651_副本
1659429243194_副本

Disc neodymium magnet

Arc shape neodymium magnet

NdFeB ring counterbore

1659429163843_副本
1659431254442_副本
1659431396100_副本

Rectangular neodymium magnet

Block neodymium magnet

Cylinder neodymium magnet

1658999047033

The current conventional magnetization direction is shown in the figure below:

Everything in the world obeys the law of conservation, and so does the magnet. When attaching or pulling something displays or releases some conserved energy, which is then stored for use as energy applied while pulling. Each magnet has a home and a hard point at both ends. The north side of the magnet will always attract the south side of the magnet.

Common magnetization directions are shown in the figure below:

1> Cylindrical, disc and ring magnets can be magnetized radially or axially.

2> Rectangular magnets can be divided into thickness magnetization, length magnetization or width direction magnetization according to the three sides.

3> Arc magnets can be radial magnetized, wide magnetized or coarse magnetized.

Before the production process begins, we will confirm the specific magnetization direction of the magnet that needs to be customized according to your needs.

Coating and Plating

Sintered NdFeB is easily corroded, because the neodymium in sintered , NdFeB magnet will be oxidized when exposed to the air for a long time, which will eventually cause sintered NdFeB product powder to foam, that is why the periphery of sintered NdFeB needs to be coated with anti-corrosion Oxide layer or electroplating, this method can protect the product well and prevent the product from being oxidized by air.

Common electroplating layers of sintered NdFeB include zinc, nickel, nickel-copper-nickel, etc. Passivation and electroplating are required before electroplating, and the degree of oxidation resistance of different coatings is also different .

1660034429960_副本
production process

Manufacturing Process

Sintered Neodymium magnet is prepared by the raw materials being melted under vacuum or inert gas atmosphere in an induction melting furnace and processed in the strip caster and thus cooled to form alloy strip. The strips are crushed and pulverized to form a fine powder ranging from 3 to 7 microns in particle size. The powder is subsequently compacted in an aligning field and sintered into dense bodies. The blanks are then machined to the specific shapes, surface treated and magnetized.
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