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Laminated Magnetic Core Reducing Eddy Current Loss

/Laminated Magnetic Core Reducing Eddy Current Loss
  • Laminated Magnetic Core Reducing Eddy Current Loss

Laminated Magnetic Core Reducing Eddy Current Loss, Neodymium Lamination Magnets, High working temperature 200℃ segmention neodymium Laminated Magnets, Permanent type Phosphated Laminated Magnets for High Efficiency Motors, Laminated rare earth permanent magnets for eddy current in motor

Laminated Magnetic Core Reducing Eddy Current Loss Part No. HSLAMIM-06
Customzied Specific Requirements
Know as Lamination Magnetic Core
OEM or ODM service: Accept
Grade: 30H-48H, 30SH-45SH, 30UH-40UH, 28EH-38EH, 30AH-33AH…
Surface Treatment: Phosphate / epoxy
Tolerance: +/-0.02 – 0.05mm

Laminated Magnets Reduce Eddy Current Loss in High Efficiency Motors, High efficiency demands the best materials, and the HSMAG laminated rare earth magnets are proven to reduce eddy current losses in high efficiency motors. Fewer eddy current losses means lower heat and greater efficiency. Designers in the aerospace, automotive, motor sport, and industrial markets are turning to laminated rare earth magnets, and are working to balance the tradeoff between power and heat. Reduction Eddy Current Loss Neodymium Lamination Magnets

HSMAG minimizes the tradeoff by offering best-in-class materials with:
A. The thinnest available insulating layers, <20 um
B. Performance at temperatures up to 200 ̊C
C. Magnet layers from 0.5 mm and up in custom shapes and sizes in neodymium iron boron or samarium cobalt

Calculation of eddy current losses with and without lamination are shown below. Our engineers can help to select an appropriate material and lamination thickness to perform optimally in your application, given your tempera-ture and frequency requirements.

With a worldwide presence and extensive engineering expertise, Arnold can work with your design team to improve motor performance, delivering custom magnetic assemblies and even complete rotors. HSMAG  Permanent Type lamination magnets provide record-breaking performance under extreme conditions — from motorsports to aerospace. We collaborate on high efficiency motor designs using laminated rare earth magnets, precision thin metals, carbon fiber sleeving, and samarium cobalt for total system performance. Made to your specification and project requirement, the Arc / Segment / Block / Tile / Rectangular rare earth magnets are manufactured with HSMAG ’s proprietary processes for the thinnest layers and highest performance.

Achieve Optimum Performance

a. 0.5mm L20 96% magnet fill fraction
b. 1mm L20 98% magnet fill fraction
c. 1mm L40 96% magnet fill fraction

The optimal lamination for your application is a balance of the need for the greatest electrical resistance at the operating frequency and the best magnetic performance in the physical envelope of your application. Matching the right HSMAG Rectangular and Segment Laminated Magnets insulation and magnet layer thickness to your application makes all the difference.

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
1.Reducing electromagnetic eddy current.
2.Remaining the same magnetic properties with the whole magnet or even superior.

What size laminate do you need?

Validated by an independant, outside laboratory, 1mm Rectangular and Segment Laminated Magnetic Core separated by 18 micron polymer lamination, the thinnest available, offers both optimal magnetic performance and lowest resistance for high efficiency motor applications.

HSMAG permanent type custom laminated rare earth magnets are made to your specification and project requirement.

  • Customized is Available
  • Affordable price
  • Quality guaranteed
  • T/T or L/C accepted
  • Other payment accepted
  • Fast shipping, Worldwide delivery
  • 24-Hours excellent customer service
  • Offer free magnetic solution
  • Bulk discounts for larger orders

Product Range



Neodymium Magnets


N35-N52, 33M-50M, 30H-48H, 30SH-45SH, 30UH-40UH, 28EH-38EH, 30AH-33AH


Customized size


Silver, Gold, Zinc, Ni-cu-Ni. Epoxy etc.


Customized NdfeB magnet shape

Magnetization direction

Thickness, Length, Axially, Diametre, Radially, Multipolar


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


5000 tons each year


35x28x20cm or as per your request

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