High-speed motors are mainly used in the magnet material is rare earth neodymium, because of its high magnetic energy product, able to provide a strong magnetic field in a small volume, the shape of the hollow cylindrical, sector/arc, the direction of magnetization is based on the radial direction, the following is a number of common neodymium hollow cylindrical (tube) magnet size.
The picture shows the neodymium radial rotor ring of a high-speed motor, Such as hair dryers, water pumps, air model motors.
The first of the dimensions below is the outside diameter, the center is the hole, and the back is the height.
6.3mm x 3mm x 11mm, N38sh grade and 42sh grade
6.3x3x10mm, 38sh grade
6.2x3x11mm, 38sh grade and 42sh grade
6.2mm OD x 3mm hole x 12.8mm, 38sh grade
6x3x12mm, 38sh Grade
6.5x3x13.2mm, 38sh grade, max. temperature resistance 150 degrees Celsius
8.1x3x11mm, 38sh grade
6.3x3x13mm, 42sh grade
8.3x3.175x11mm, 42sh grade
6.5x3x13.2mm, 38UH grade
8.1x4x12.5mm, 38UH grade
10mm x 5mm x 20mm, 38UH grade, maximum temperature resistance 180°C
6x3x12mm, 35sh grade
7x3x3mm, 35sh grade
7.1x3x9.5mm, 35sh grade
7.2x3x8mm, 35sh Grade
7.2x3x9mm, 35sh grade
7.2x3x10mm, 35sh grade
10x5.1x11mm, 35sh grade
14x3x12mm, N52 Grade
2x1x4mm, N52 grade
6x2x4mm, N35 grade
4mm x 2mm x 5.6mm, 45H grade, Maximum working temperature 120°C.
……
All of the above magnet specifications have high performance, high tolerance and precision, high degree of concentricity, beautiful and flawless appearance, and can also be customized according to your actual requirements for processing, with steel shaft, welcome to inquire.
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