Laminated Magnet is to cut the whole magnet into many small magnets, and then use specific glue to bond together. These small magnets are insulated from each other and can cut down electromagnetic eddy current.
When the permanent magnet motor is running, the motor will generate harmonic and the magnet will generate 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 can just cut down this risk.
A permanent magnet built up of magnetized strips to obtain a high intensity of magnetization.
An electromagnet for ac circuits, having a laminated core to reduce eddy currents.
1.What the advantage of the laminated magnets ?
Laminated magnets can reduce eddy current loss in high efficiency motors, high efficiency demands the best material , and the laminated rare earth magnets are proved to reduce eddy current loss in high efficiency motors , Fewer eddy current loss means lower heat and greater efficiency . Neodymium Laminate High Efficiency Motor Magnets
2.Technical requirement
The thickness available insulating layers less than 20UM ,the maximum working temperature can be up to 200℃ magnet layers from 0.5 mm and up ,custom shapes and size in neodymium magnet .
3. Application Scope :
Aerospace, automotive, motor sport and the industrial markets are turning to laminated neodymium magnets , it can be balance the power and heat better than the whole magnet .
The eddy current loss of rare earth magnet can be reduced by many ways, among them, the material science researchers have proposed to prepare the high-resistivity magnet, such as:
a. Bonded magnet.
b. High-resistivity sintered magnet.
Packing Details : standard sea or air package, will be protected well during the delivery.
Standard packing carton:35X27X15cm
Small packing box: 110X90X40mm
1. By Sea: As the magnets have strong attraction and we will use the spacer to apart the magnets each other in case people will be hurt when take it out. Then, they will be packed in a white box of pieces each, several boxes to a carton.
2. By Air: If the goods will be shipped by air, all the magnetic should be degaussed and we will use Iron sheet to shield. High-resistivity Sintered Laminated Magnet Arc-shape
Shipping: Express (TNT, DHL, FedEx, UPS, etc), Air, Sea.
a: The weight is under 45Kgs, we usually recommend to send by Express.
b: The weight is between 45Kgs-100Kgs, we usually recommend to send by Air.
c: The weight is over 100Kgs, we recommend to send them by Sea.
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