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Free Samples Motor Rectangular Permanent Magnet Laminated, Superior Strength Laminated Electric Motor Magnets, Neodymium Laminated phosphated high efficiency motors Magnet for reduce eddy current, Compact & Customized Motor Permanent Magnets Solution Supplier
Free Samples Motor Rectangular Permanent Magnet Laminated Part No. HSLAMIM-32 – Laminated magnet is to cut the whole magnet into many small pieces of magnet, and then use specific glue to bond together. These small magnets are insulated from each other and enable to cut down electromagnetic eddy current.
Material Neodymium Magnets
Grade N35-N52, 33M-50M, 30H-48H, 30SH-45SH, 30UH-40UH, 28EH-38EH, 30AH-33AH
Demension Customized size
Coating Silver, Gold, Zinc, Ni-cu-Ni. Epoxy etc.
Shape Customized NdfeB magnet shape
Magnetization direction Thickness, Length, Axially, Diametre, Radially, Multipolar
Application NdfeB Neodymium rare earth permanent magnets are widely applied in Auto, energy-efficient Motors and Generators, Machinery, Audio/Video and Communication Equipment, Medical Device(MRI), Office Automation, Magnetic Separator, etc.
Delivery time 15-30 days according to order quantity
Capicity 5000 tons each year
Packaging 35x28x20cm or as per your request
When the permanent magnet motor is running, the motor will generate harmonic and the magnets themselves will generated skin effect, these all will bring a lot of eddy current loss, and then the temperature of permanent magnet rises, which results in irreversible demagnetization and affects the safety and stability of motor operation. So, the design of laminated magnet assembly is able to cut down risk and loss, however to improve the efficiency of motor.
The eddy current simulation experiment of different piecemeal permanent magnets
Experiment: NdFeB N35UH magnet, dimensions: 20*160*5MM
Magnets are tested at different excitation frequencies in a non-piecewise and piecewise manner .
Testing results :
The eddy current loss of magnet decreases with the increase of magnet segments
1.The thickness of insulating layers is within 0.04mm.
2. In normal temperature, the bond strength of insulating layers can reach more than 50Mpa.
3. The maximum working temperature can reach 200 ℃.
4. The whole geometric tolerance is within 0.05mm.
5. These small magnets are insulated from each other.
Now aerospace, automotive, motorsport, and industrial markets are turning to laminated rare earth magnets, and are working to balance the tradeoff between power and heat. Rectangle Laminated Magnets for Synchronous BLDC Motor, Superior Strength Block Laminated Electric Motor Magnets
Reducing electromagnetic eddy current
Remaining the same magnetic properties with the whole magnet or ever superior