Description

Special Shape Neodymium Magnets are designed with an irregular or non-standard shape, such as a Triangle, Hexagon, Oval shape, etc., to satisfy specific requirements in various applications. Neodymium (Neo or NdFeB) magnets are permanent magnets and part of the rare-earth magnet family. Neo magnets have the strongest magnetic properties and are the most powerful commercially available magnets today. Special Shape Neodymium Magnets may have specific advantages over standard-shaped magnets in certain situations.
Genesis New Journey is specialized in supplying Special Shape Neodymium Magnets applied in various industrial applications. We have advanced technology, rich experience, and professional engineering technicians in this field.
Special Shape Neodymium Magnet Specification
Product Name: Permanent Special Shape Neodymium Magnet
Material: Neodymium Magnets
Dimension: Standard or customized
Coating: Zinc, Nickel, etc.
Shape: Triangular, Hexagonal, Oval, etc.
Magnetization Direction: Thickness, Axial, Radial
Inner Packaging: Customized

Application

Special Shape Neodymium Magnets are being designed for various industrial and scientific applications where specific magnetic field requirements need to be met, such as magnetic sensors, magnetic separators, magnetic resonance imaging (MRI) machines, magnetic closures, etc.

Warning

1. Don’t swallow, this product contains a small magnet, Swallowed magnets can stick together across the intestines causing serious or fatal injury. Seek immediate medical attention if magnets are swallowed or inhaled.
2. Don’t put the magnets in the nose or mouth which are so super strong. Keep them far away from Children.

Professional in producing ndfeb magnets, Genesis New Journey is one of the best suppliers in China. We have quality ndfeb ring magnets for sale. Please feel free to contact us.

Looking for a certain size? If you require a specific size that is not available on our website, please contact us for a custom magnet quote.

Material	Neodymium-Iron-Boron
Working Temperature	Grade	Max. Operating Temperature
	N35-N52	80°C (176°F)
	N35M- N50M	100°C (212°F)
	N35H-N48H	120°C (248°F)
	N35SH-N45SH	150°C (302°F)
	N28UH-N40UH	180°C (356°F)
	N28EH-N38EH	200°C (392°F)
	N28AH-N35AH	220°C (428°F)
Magnet Shape	Disc, Cylinder, Block, Ring, Countersunk, Segment, Trapezoid, Irregular shapes and more.Customized shapes for Sintered Neodymium Strong Magnets are available.
Magnet Coating	Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper, Epoxy, Phosphating, Chemical, PTFE, ParyleneEverlube, Passivation and more.
Magnetization Direction	a. Thickness Magnetizedb. Axially Magnetizedc. Diametrally Magnetizedd. Multi-poles magnetizede. Radial Magnetizedf. Customized specific requirements magnetized
Delivery Time	The lead time around 10-25days
Payment Terms	L/C,T/T,Paypal, ESCROW, Western Union

Surface Treatment of NdFeB magnet 

NdFeB magnets are susceptible to corrosion, so it is necessary to give surface treatment Currently, the surface treatments mainly includes chemical plating, conversion coating and coating. In most cases, NdFeB magnet surface are treated with NiCuNi (Nickel-Copper-Nickel) plating, Zinc plating and Epoxy coating. For special requirements, passivation and phosphatization are also adopted. 

Plating Instructions
Type	Coating	Thickness	Color	SST(Hours)
Nickel	Ni+Cu+Ni	10~20 μm	Bright Silver	24~72
Black Nickel	Ni+Cu+Black Ni	10~20 μπ	Bright Black	48~96
Cr3+Zinc	Zinc	5~8μm	Blue white	16~48
	Color Zinc	5~8μm	Colorful	36~72
Sn	Ni+Cu+Ni+Sn	10~25μm	Silver	36~72
Au	Ni+Cu+Ni+Au	10~20 μm	Gold	12
Ag	Ni+Cu+Ni+Ag	10~20μm	Silver	12
Epoxy	Exopy	10~20μm	Black/Grey	48
	Ni+Cu+Epoxy	15~30μm		72~108
	Zn+Epoxy	15~25μm		72~108
Passivation	////	1~3μm	Dark Grey	temporary protection
Phosphatization	////	1~3μm	Dark Grey	temporary protection

In order to quote you the best price, please provide us the following information.

Shape	Block/Rectangle/Square	Disc/Round/Cylinder	Ring/Countersunk
Dimension	L (?) x W(? ) xT(?)	D(?) x T(?)	OD(?) x ID(?) x T(?)
	L: length. W: width, T: thickness, D: diameter, OD: outer diameter, ID: inner diameter.For other shapes, please tell more in details or drawing would be much appreciated.
Coating	Zn, Nickel, Ni-Cu-Ni, Epoxy, Au, Silver or other ?
Working Temperature	Normal or High temperature ?

FAQ

What are special shape neodymium magnets?

Special shape neodymium magnets are customized magnets that do not conform to standard shapes like discs, blocks, cylinders, or rings. They are designed and manufactured to meet specific requirements of unique applications, requiring precise dimensions and shapes for optimal performance.

Why are special shape neodymium magnets used?

Special shape magnets are used when standard magnet shapes cannot provide the required performance or fit within a particular design. Custom shapes allow for more efficient use of space and magnetic field, essential in applications like precision motors, medical devices, and complex assemblies.

What types of special shapes can neodymium magnets be made into?

Neodymium magnets can be manufactured into a wide variety of shapes, including arcs or segments for motors, countersunk shapes for mounting purposes, spheres, and other complex geometries tailored to specific engineering needs.

How are special shape neodymium magnets manufactured?

The manufacturing process typically involves 3D modeling and precision machining techniques such as wire EDM (Electrical Discharge Machining) to cut the magnet to the desired shape. This is followed by sintering to solidify the material and then magnetizing it to achieve its full magnetic potential.

Are special shape neodymium magnets more expensive than standard shapes?

Yes, due to the additional manufacturing steps and the precision required to produce them, special shape neodymium magnets are generally more expensive than standard shapes. The complexity of the shape and the size of the order can also affect the cost.

Can any shape be made into a neodymium magnet?

While a wide range of shapes can be manufactured, there are practical limitations based on the material’s brittleness and the complexity of the desired shape. Extremely thin or intricate designs may not be feasible due to the risk of breaking during manufacturing or use.

How do special shapes affect the magnetic properties of neodymium magnets?

The shape of a magnet can influence the distribution and direction of its magnetic field. Custom shapes can be designed to optimize these properties for specific applications, enhancing efficiency or achieving desired magnetic interactions.

What applications benefit most from special shape neodymium magnets?

Applications that require precise control over magnetic fields or have specific spatial constraints benefit the most. This includes electric motors, medical devices, aerospace technology, and various industrial machinery.

How can I order special shape neodymium magnets?

Special shape magnets typically require collaboration with a manufacturer capable of custom magnet production. This process involves submitting detailed specifications, including dimensions, shapes, and desired magnetic properties, to the manufacturer for production.

What considerations should be taken into account when designing special shape neodymium magnets?

Design considerations include the intended application, required magnetic strength, environmental conditions (such as temperature and humidity), and the magnet’s interaction with other components. It’s also important to consider the magnet’s brittleness and how the shape might affect its durability and handling safety.