Arc curved magnets and ordinary rectangular block magnets are 2 common shapes of motor magnets, high-speed motors commonly used neodymium material, micro-motor commonly used ceramic ferrite material, there are netizens are interested in the difference between the motor with these 2 shapes, the following permanent magnet manufacturers courage magnets xiaofu to provide you with a slight introduction to popularize the next.

The biggest differences between curved magnets and rectangular block magnets are magnetic field distribution, torque magnitude, manufacturing and assembly, and price.

The picture shows a custom shaped rare earth neodymium arc magnets

Magnetic fields such as those produced by curved magnets conform to the shape of the magnet, which results in a more concentrated magnetic field in the air gap between the rotor and stator, and can produce higher torque densities than rectangular magnets.

Otherwise, curved magnets are slightly more complex and wasteful to manufacture, are relatively expensive, and require additional steps or specialized tools for installation.

Rectangular magnets, on the other hand, are generally more cost-effective, especially for mass-produced motors.

Which motors use curved which motors use rectangular magnets?

Brushless DC motors, permanent magnet synchronous motors, and high power density motors, like the ones I know, usually use curved/bread-shaped magnets. For cost-sensitive motors, linear motors and some stepper motors often use rectangular magnets because they are easy to align and assemble.

Above is the whole content of the article, if you need to use the motor arc segmented permanent magnets, radial multi-pole magnetic ring, welcome to contact us to provide you with the latest offers, samples.

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Content supplement recommended reading;

Shape Type And Advantage of Magnets In Electric Motors

Rotor 4-piece arc magnet replaced by 4-pole magnetic ring does not rotate