Trapezoid Neodymium Magnet
A trapezoid neodymium magnet is a uniquely shaped permanent magnet made from neodymium-iron-boron (NdFeB), the strongest magnetic material commercially available today. With its trapezoidal geometry, this type of magnet is widely used in applications where angled magnetic fields or custom assemblies are required.
Products Description
Trapezoid Neodymium Magnet: High-Performance Rare Earth Magnet for Precision Applications
A trapezoid neodymium magnet is a uniquely shaped permanent magnet made from neodymium-iron-boron (NdFeB), the strongest magnetic material commercially available today. With its trapezoidal geometry, this type of magnet is widely used in applications where angled magnetic fields or custom assemblies are required. They offer both exceptional magnetic strength and design flexibility, making them ideal for specialized industrial, mechanical, and electronic uses.
Specification
|
Material |
Neodymium, Iron, Boron |
|
Grade |
N35, N42 OR N52 |
|
Shape |
Customized according to requests and design |
|
Plating |
Ni plating, Zinc or Epoxy |
|
Application |
Electronic used |
|
Magnetized Orientation |
As requested |
Features of trapezoid shaped magnet
1. High Magnetic Strength
Trapezoid neodymium magnets belong to the rare earth magnet family, known for their powerful magnetic performance. These magnets can generate surface field strengths over 1 Tesla, depending on size and grade. Common grades include N35, N42, N52, and even high-temperature variants like N35SH or N45UH, allowing for strong performance even in demanding environments.
2. Unique Trapezoid Shape
The trapezoidal shape features non-parallel sides, creating a wedge-like form that is perfect for circular arrays, Halbach arrays, motor rotors, and 3. magnetic couplings. This design ensures better alignment, improved magnetic field control, and more efficient use of space in assemblies that require angular placements or rotations.
4. Customizable Dimensions and Coatings
Trapezoid neodymium magnets are available in a variety of dimensions, tailored to specific application requirements. Standard surface coatings include Nickel (Ni-Cu-Ni), Zinc, Epoxy, and Gold plating, which protect the magnet from oxidation and corrosion. For harsh environments, Parylene or PTFE coatings can be applied for added durability.
Magnetic Properties of trapezoid neodymium magnet
|
Grade |
Br mt(KG) |
Hcb Koe(KA/m) |
iHc Koe(KA/m) |
(BH)max KJ/m3 (MGOe) |
TW℃ |
|
N35 |
1170-1210(11.7-12.1) |
≧10.8(≧860) |
≧12(≧955) |
263-287(33-36) |
80 |
|
N38 |
1210-1250(12.1-12.5) |
≧10.8(≧860) |
≧12(≧955) |
287-310(36-39) |
80 |
|
N40 |
1250-1280(12.5-12.8) |
≧11.6(≧923) |
≧12(≧955) |
302-326(38-41) |
80 |
|
N42 |
1280-1320(12.8-13.2) |
≧11.6(≧923) |
≧12(≧955) |
318-342(40-43) |
80 |
|
N45 |
1320-1380(13.2-13.8) |
≧11.0(≧876) |
≧12(≧955) |
342-366(43-46) |
80 |
Applications
Due to their shape and strength, Trapezoidal Rare Earth Magnets are commonly used in:
Brushless DC Motors (BLDC)
Their geometry allows for precise placement in rotor assemblies, enhancing torque and efficiency.
Magnetic Couplings and Gears
Trapezoidal magnets are ideal for radial magnetic field generation in non-contact power transmission systems.
Magnetic Levitation and Bearing Systems
When arranged in Halbach arrays, trapezoid magnets provide smooth, frictionless motion.
Sensors and Measuring Equipment
Their strong, directional fields improve sensor accuracy and response time.
Renewable Energy Systems
Widely used in wind turbines and hydro generators for efficient energy conversion.
Advantages of Using Trapezoid Neodymium Magnets
Space Efficiency: The shape allows tight packing in circular or curved configurations.
Directional Magnetic Fields: Perfect for focused magnetic field control.
Versatility: Can be combined into complex magnetic assemblies.
Durability: Available with corrosion-resistant coatings for extended lifespan.
Considerations:
Brittleness: Neodymium trapezoid magnets are brittle and can break or chip easily.
Temperature Sensitivity: Their magnetic properties can diminish at high temperatures.
Corrosion: Often coated with nickel, zinc, or epoxy to prevent corrosion, as they can oxidize quickly without a protective layer
Conclusion
The trapezoid neodymium magnet is a high-performance solution for modern engineering challenges that demand precision, power, and efficient magnetic field control. Its distinctive shape and superior magnetic properties make it a preferred choice in electric motors, renewable energy systems, and precision instruments. Whether you need standard sizes or custom trapezoid neodymium magnets, sourcing from a reliable magnet supplier ensures quality, performance, and cost-effectiveness.
Other custom shape neodymium magnets
FAQ:
Q: How to purchase the trapezoid NdFeB magnets?
A: 1：Determine Specifications:
Size and Dimensions: Measure the specific dimensions you need for the trapezoid shape, including the base lengths, height, and thickness.
Grade: Decide on the magnet grade (e.g., N35, N52) based on the required magnetic strength.
Coating: Choose a suitable coating (such as nickel, epoxy, or gold) for corrosion resistance and durability.
Temperature Requirements: Ensure the magnets can operate within your intended temperature range.
2：Contact Everbeen Magnet and send the drawing to them for quotation.
Sample requests: You must test and evaluate the sample before bulk order,
If the sample evaluation is ok, you can go next step.
3：Place an Order:
Negotiate Price and Terms: Discuss pricing, shipping options, delivery times, and return policies.
Payment: Choose a secure payment method to protect your purchase.
4： Receive and Inspect:
Inspection: Once the magnets arrive, inspect them for any damage or defects.
Testing: Test the magnets to ensure they meet your specifications and performance criteria.
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