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Neodymium Arc Magnets


The strong neodymium(NdFeB) magnets in arc/segment shape are mainly used in permanent magnet motor and called neodymium magnetic tile. Strong neodymium(NdFeB) magnetic tile is mainly used in permanent magnet DC motors.


Explore our neodymium arc magnets – tailored for your needs, these powerful magnets deliver exceptional performance across various industries.








Surface Treatment is Needed for Strong Neodymium(NdFeB) Segment Magnets


The large neodymium arc magnet is a common and powerful magnetic material, known for its high magnetic energy product and excellent corrosion resistance. However, its surface is prone to oxidation, moisture, and wear, which can impact its longevity and performance stability. To address this, surface treatments are employed to enhance its lifespan and stability.


Surface treatments for neodymium arc magnets primarily include methods such as coating, painting, and heat treatment. Among these, coating is a common and effective surface treatment approach. Common coating materials include nickel, zinc, copper, and others. The coating serves to increase the arc magnet's corrosion resistance, preventing oxidation and moisture erosion, thereby extending its magnetic life.



Surface

Coating

Thickness (Microns)

Color

Resistance

Passivation


1

Silver Grey

Temporary Protection

Nickel

Ni+Ni

10-20

Bright Silver

Excellent Against Humidity

Ni+Cu+Ni

Good Against Salt Spray

Zinc

Zn

8-20

Bright Blue

Excellent Against Salt Spray

C-Zn

Shinny Color

Superior Against Humidity

Tin

Ni+Cu+Sn

15-20

Silver

Superior Against Humidity

Silver

Ni+Cu+Ag

10-20

Silver

Superior Against Humidity

Gold

Ni+Cu+Au

10-20

Gold

Temporary Protection

Copper

Ni+Cu

10-20

Gold

Excellent Against Humidity&Salt Spray

Epoxy

Epoxy

15-25

Black,Red,Grey

Excellent Against Humidity,Salt Spray,Superior Against Solvents,Gases, Fungi and Bacteria,FDA Approved

Ni+Cu+Epoxy

Excellent Against Humidity

Zn+Epoxy


Parylene

Parylene

5-20

Grey

Excellent Against Humidity

Chemical

Ni

10-20

Silver Grey

Excellent Against Humidity



neodymium-arc-magnet.jpgMagnetization Direction of Strong Neodymium Ndfeb Arc Magnets


The magnetization direction of Neodymium NdFeB arc magnets is a crucial aspect of their design and application. Proper orientation ensures optimal performance in various devices. Engineers carefully align the magnetic domains during manufacturing to enhance the magnets' efficiency and effectiveness in specific applications, such as motors and sensors.



neodymium-arc-magnets.jpgCustom Strong Large Neodymium Arc Magnets


Our custom strong neodymium arc magnets service offers tailored solutions to meet unique magnetic requirements. We provide precise specifications in terms of dimensions, grades, and coatings, ensuring optimal performance for diverse applications. Our experienced team collaborates closely with clients to deliver customized magnetic solutions that match specific design and functional needs, offering reliability and efficiency in various industries.


The Maximum Working Temperature of Strong Neodymium Arc Magnets for All Material Grade


Neodymium Material Grade

Maximum Working Temp.

Curie Temp.

N(N35,N38,N40,N42,N45,N48,N50,N52)

176°F (80°C)

590°F (310°C)

N-M(N35M,N38M,N40M,N42M,N45M,N48M,N50M,N52M)

212°F (100°C)

644°F (340°C)

N-H(N35H,N38H,N40H,N42H,N45H,N48H,N50H)

248°F (120°C)

644°F (340°C)

N-SH(N35SH,N38SH,N40H,N42SH,N45SH,N48SH)

302°F (150°C)

644°F (340°C)

N-UH(N28UH,N30UH,N33UH,N35UH,N38UH,N40UH,N42UH)

356°F (180°C)

662°F (350°C)

N-EH(N28EH,N30EH,N33EH,N35EH,N38EH,N40EH)

392°F (200°C)

662°F (350°C)

N-AH(N28AH,N33AH,N35AH,N38AH)

428°F (230°C)

662°F (350°C)




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