Brushless motor magnet steel for high-speed air duct
This is an ultra-high-speed brushless motor with an inner rotor magnet. Because of the high application speed, the machining accuracy and balance of the rotor magnet determine the jitter amplitude and noise level of the motor during operation. NdFeB materials continuously provide power output to the motor and high-speed ram, and bring technological innovation to the miniaturization and high efficiency of the motor, which is unmatched by traditional ferrite magnets. NdFeB magnetic steel has brought great changes to the high-speed air cylinder and vacuum cleaner industry.
Classification:
sintered neodymium iron boron
Key words:
Brushless motor magnet steel for high-speed air duct
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Product Description
Product name: Brushless motor magnetic steel for high-speed ram
Material: NdFeB 35SH
Magnetic steel surface treatment: bright nickel plating
Dimensions: φ6.3xφ3x10mm
Magnetization direction: radial 2 poles (inner rotor)
Maximum working temperature of magnetic steel: 150 ℃
Environmental resistance test requirements: neutral salt spray test 24 hours magnetic steel surface does not rust, does not change color.
Key points of magnetic steel processing: concentricity and verticality ≤ 0.02mm; The magnetic steel does not crack under the high-speed operation of the air duct (120000 rpm), and the high-temperature degaussing ≤ 5%
Uses: This magnetic steel is applied to the main motor of the fan of the high-speed ram (hair dryer), which requires high-speed resistance to 120000 RPM without failure. The noise of the motor is lower than the specified value, which requires extremely high fatigue resistance and processing accuracy of NdFeB magnetic materials. It is suitable for hair dryers of major famous brands in China.
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