Qianhui Magnetic
We are a professional r & d, production, sales of high-performance ndfeb magnetic materials and products of high salary technology enterprises. Main specifications of ndfeb magent are exported to the United States, Germany, South Korea, Japan and other countries.

Strong Permanent Large Sensor Motor Permanent Ring Neodymium Magnet

Neodymium Iron Boron (NdFeB) magnets are the most powerful and advanced commercialized permanent magnet today. Since they are made from Neodymium, one of the most plentiful rare earth elements, and inexpensive iron, NdFeB magnets offer the best value in cost and performance.

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Strong Permanent Large Sensor Motor Permanent Ring Neodymium Magnet

ndfeb-magnet129978.jpg

high quality zinc plating ring magnet.


Product description:

Product name:Strong Permanent Large Sensor Motor Permanent Ring Neodymium Magnet

Material: neodmium magnets

Coating:Nickel (Ni+Cu+Ni);Zinc,Tin,Epoxy,Gold,Ag ,Passivation,Phosphated

Shapering magnet 

Magnetization directionThickness, Length, Axially, Diametre, Radially, Multipolar

Application:NdfeB Neodymium rare earth permanent magnets are widely use in many area,Such as Motors, Sensor, Speaker, Rotors, Alarm, Microphone, Wind turbines/Wind generators, Magnetic Hooks, Magnetic Holder, Filters automobliesWind Energy;Generators;Electric Pump;Mining Equipment and so on.

Delivery time:3-10 days for sample,10-30days for production, According to the stocks.

Inner packaging: as customer’s request

Warning:1.Don't swallow, This product contains small magnet, Swallowed magnets can stick together across intestines causing serious or fatal injury, Seek immedicate medical attention if magnets are swallowd or inhaled

2. Don't put them in nose or mouth which are so super strong, And must be kept far away from Children

Production process chart of NdfeB:

sintered ndfeb magnet detail table448104.png

Production process:

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1. Raw materials are prepared according to Nd2Fe14.

2. Put the prepared raw materials into the vacuum melting furnace (or flaking furnace) and conduct high temperature smelting to form alloy ingot (or flaking plate).

3. Alloy ingot (or slabs) is ground into magnetic powder particles only a few microns in size by air flow.

4. Press magnetic powder in magnetic field according to actual requirement.

5. After molding of billet in high temperature above 1000 ℃ vacuum sintering, and then to aging treatment in order to achieve the corresponding magnetic.

6. Magnetic performance testing.

7. Perform mechanical processing and surface treatment according to the size and shape required.

8. Visual inspection.


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