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Special-shaped Magnets

Professional Special-shaped Magnet Supplier

Zhaobao Magnet Group is one of China's earliest enterprises engaged in the production of rare earth permanent magnet products. Through years of development, we have grown into a large-scale, comprehensive supplier of permanent magnet products, integrating R&D, manufacturing, and sales. Our products include Neodymium iron boron magnets, Samarium cobalt, Ferrite magnets, Bonded neodymium iron boron magnets, Rubber magnets, and requirements of a variety of permanent magnets and its components.

Neodymium Special-shaped Magnet
Our neodymium special-shaped Magnet represents the pinnacle of custom magnetic engineering. Unlike standard blocks or discs, these magnets are designed and manufactured to meet unique spatial and...
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Strong Special-shaped Magnet
When your application demands immense holding power, lifting capability, or magnetic flux density in a non-standard form factor, our strong special-shaped magnet is the definitive solution. We...
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Powerful Special-shaped Magnet
With over three decades of manufacturing expertise, we guarantee that the magnetic performance of every powerful special-shaped magnet is accurately rated and never overstated. Our lab-certified...
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Rare Earth Special-shaped Magnet
As a factory with 30 years of dedicated experience in rare earth special-shaped magnet technology, we possess the expertise to optimally alloy, orient, and sinter these critical materials. We...
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Why Choose Us

Quality Assurance
The company has a variety of advanced production, inspection equipment more than 3000 sets, effectively ensure the quality of our products and delivery requirements. The purity of our products can reach over 95%, compared to the industry average of only 80%.

Customization Services
High quality grades from N28 to N52, even high-temperature resistant magnets, with geometric shapes of various thicknesses. Magnetic direction, coating material, size and material can be customized according to customer requirements.

Production Market
We have extensive and deep cooperation with many world famous enterprises in China and even the world. Such as: Ge Ford Samsung Hitachi Haier Xiaomi Foxconn Disney, etc.

Technical Certification
The Group has passed IATF16949, ISO9001, ISO14001, ISO45001 and other international authoritative system certifications.
The products of the group have obtained various authoritative certificates such as CE, CPC, ROHS, REACH, EN71, CP65, ASTM, CPSIA, etc., and are the only magnet factory in China that has the ability to pass CHCC certification.

Types of Special-shaped Magnets

Neodymium Special-shaped Magnet

Crafted from high-grade NdFeB (Neodymium Iron Boron) material, each neodymium special-shaped Magnet delivers exceptional magnetic strength (up to N52 grade) in a precisely contoured form.

Strong Special-shaped Magnet

This strong special-shaped magnet is not merely about raw power; it's about delivering that power exactly where it's needed, efficiently and reliably.

Powerful Special-shaped Magnet

Powerful special-shaped magnets are custom-engineered, non-standard neodymium (NdFeB) permanent magnets designed for specific, complex applications requiring superior strength.

Rare Earth Special-shaped Magnet

Rare earth special-shaped magnets are powerful permanent magnets made from rare earth elements. These magnets exhibit exceptionally strong magnetic fields.

Specification

Product Name	Special-shaped Magnets
Material	Neodymium Magnets
Dimension	Standard or customized
Shape	Standard block magnets, bar magnets, ring magnets, disc magnets, rod magnets, arc magnets, countersunk magnets, and sphere magnets, etc. ; custom shapes are also available upon request.
Magnetization Direction	Axial, Radial, Multi-polar, Parallel, Diametrical, Customized multipole patterns
Coating Options	Nickel (Ni), Zinc (Zn), Epoxy, Phosphate, Parylene, Gold, Customized multi-layer protection
Grade:	N30-N55 N30M-N52M N30H-N52H N30SH-N50SH N25UH-N50UH N28EH-N48EH N28AH-N45AH
Max Operating Temp (C/F)	+200℃/392℉
Tolerance Standards	±0.02–0.1 mm depending on size and design

Rare Earth Special-shaped Magnet factory

Advantages of Special-shaped Magnets

Satisfy special space limitation requirements: Special-shaped magnets can be individually manufactured for specific applications to accommodate special space constraints or design requirements.

Reduce size and weight: In some applications, more compact and lightweight devices can be achieved by designing special-shaped magnets to improve the portability and installation flexibility of the device.

High space utilization: Special-shaped magnets can be designed to maximize the use of available space through their special shape, which is very important for limited space environments.

Achieving precise positioning and control: The special shape and structure of special-shaped magnets can provide better positioning and control capability, enabling them to meet the requirements of specific applications, such as magnetic fixtures, magnetic levitation systems, etc.

Application of Special-shaped Magnets

Consumer Electronics

In the consumer electronics industry, special shaped magnets are critical for audio transduction and space-constrained designs. F-shaped and U-shaped magnets are widely used in speakers, microphones, and headphones due to their ability to concentrate magnetic flux efficiently within small enclosures.

Medical Devices

The medical field relies heavily on precisely shaped magnets, particularly in diagnostic imaging and therapeutic equipment. Beyond MRI, special shaped magnets are used in portable medical devices, drug delivery systems, and surgical robotics, where controlled magnetic fields enable non-invasive procedures and precise actuation.

Automotive Industry

Modern vehicles incorporate numerous special shaped magnets in sensors, electric motors, and infotainment systems. Hall effect sensors, which detect position, speed, and proximity, often use S and N-shaped permanent magnets to provide reliable feedback for anti-lock braking systems (ABS), transmission control, and engine timing.

Powerful Special-shaped Magnet suppliers

Toy Manufacturing

In the toy and educational sector, special shaped magnets enhance interactivity, safety, and creativity. Building sets, magnetic puzzles, and STEM toys use small but powerful neodymium magnets to allow secure connections while maintaining ease of use.

Renewable Energy Systems

Special shaped magnets play a vital role in renewable energy generation, particularly in wind turbines and permanent magnet synchronous generators (PMSGs). This design increases reliability and reduces maintenance.

Arts and Crafts

The arts and crafts industry leverages special shaped magnets for both functional and decorative purposes. From magnetic closures in handmade jewelry to fridge magnets and display systems, these components offer versatility and ease of use.

Special-shaped Magnets Production Process

Design: According to the specific needsof customers and application requirements,the design of shaped magnets,including magnet shape, size, magnetic field requirements and other considerations.

Material selection: According to the design requirements, select the appropriate magnetic material, commonly including neodymium iron boron (NdFeB), ferrite (Ferrite), and so on.

Cutting and molding: The selected materials are cut and molded,usually using laser cutting, wire cutting,grinding,pressing,injection molding and other processes. In this step,shaped shapes of magnets can be realized according to the design requirements.

Surface treatment: According to specific requirements, surface treatment is applied to the magnets. Common surface treatments include nickel-plating,zinc-plating,epoxy-plating,etc.to protect the magnet surface from oxidation or corrosion.

Magnetization

Magnetize the magnets after cutting and forming, use magnetizer equipment for magnetization.

Testing and quality inspection

Test the completed special shaped magnets for magnetic properties,dimensions and salt spray to ensure that they meet the design requirements and quality standards.

Packing and Delivery

Pack the special shaped magnets that meet the requirements to ensure that they are not damaged during transportation and use. Then deliver them to customers according to the negotiated way.

Usage Requirements

Never immerse the product in water, nor use solvents such as acetone or alcohol, to avoid damaging the surface coating.

Keep in a dry, temperature-controlled environment. Store magnets in pairs with opposite poles facing to maintain magnetic field integrity and reduce self-demagnetization.

Avoid exposure to AC fields, welding currents, or other magnets that can partially demagnetize the material.

Avoid reshaping or cutting magnets unless you have proper tooling and knowledge

Test prototypes under real use. If a magnet slips or causes damage, revise the shape or strength.

Customization Process

Custom Requirements: Start by provide your requirements for custom neodymium magnet product. This can include information on the magnet’s size, shape, strength, coating, and any other special features that the customer may need.

Scheme Design: Based on the your requirements, design the magnet using specialized software such as SolidWorks or AutoCAD. This will allow our to create a 3D model of the magnet, which can be used to verify that it meets the your requirements.

Select the Materials: Choose the appropriate neodymium magnet materials for the specific application of the custom magnet, as well as any other materials needed for the manufacturing process, such as adhesives or coatings.

Sample Confirmation and Production: Before officially commencing mass production, we will first send you samples for your confirmation. Using the design and material selections as a guide, begin fabricating the magnet.

Package and Deliver the Magnet: Once the magnet has been tested and approved, package it carefully to ensure that it is protected during shipping. We will unconditionally resend the product if there are quality issues.

Shipping and Delivery

Packing	1. White inner box with cotton plastic. 2. Strong suitable outer carton size. 3. Fully anti-magnetized packaging. 4. Recommend the best solution of shipment for your reference according to order quantities.
Shipping Time	If in stock, free sample and send out on the same day; Out of stock, delivery time is same with mass production.
Transportation	We support express, air, sea, train, truck etc. and DDP, DDU, CIF, FOB, EXW trade term.
Payment Method	Flexible payment methods include T/T in advance and western union and L/C at sight or others.

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Our Factory

The main magnet factory covers an area of 60000 square meters with well-equipped facilities and has over 500 employees.

FAQ

Q: Can any shape be made into a neodymium magnet?

A: 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.

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

A: 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.

Q: What considerations should be taken into account when designing special shaped magnets?

A: 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.

Q: Do different shapes affect the strength of the magnet?

A: Yes. The strength depends on both the grade of neodymium and the magnet’’s size and shape. For example, bullet-shaped magnets concentrate strength at the tip, while flat designs distribute pull across a surface.

Q: How can special shaped magnets be customized to meet unique design requirements?

A: Customization involves selecting the appropriate material, determining the magnetization pattern, drafting CAD-based dimensions, applying coatings, and machining the magnet into the required shape. Advanced magnetizing equipment enables multi-pole, radial, or diametrical patterns tailored to the application. Production tolerances can be adjusted to maintain high precision for demanding industries.

We're well-known as one of the leading special-shaped magnets manufacturers and suppliers in China for over 30 years. With abundant experience, we warmly welcome you to buy high quality special-shaped magnets made in China here from our factory. We also accept customized orders.

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