Gold Member Since 2005
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Ningbo Vastsky Magnet Co., Ltd.

Injection Magnet, Bonded Magnet, Nylong Magnet manufacturer / supplier in China, offering Permanent Injection Molded Magnets for Brushless DC Motors, Rectangular Magnet N45, Powerful Ring Magnet N48sh and so on.

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Permanent Injection Molded Magnets for Brushless DC Motors

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Port: Ningbo, China
Production Capacity: 50000PCS /Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: injection magnet 001
  • Shape: Ring
  • Grade: N35
  • Transport Package: Ctns
  • Origin: China
  • Application: Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet, Fans Magnets
  • Coating: Original
  • Trademark: NBVS
  • Specification: neodymium iron boron
  • HS Code: 8505111000
Product Description
Permanent Injection Molded Magnets for Brushless DC Motors

Bonded magnet materials can be created through Injection Molded and can be made from NdFeB, Strontium Ferrite or a combination of the two. Bonded magnets that are created through injection molding can be molded into complex shapes and also molded directly onto components. Bonded magnets can also be created through the process of compression bonding which offer higher magnetic output but are limited to simpler geometries than Injection Molded materials. Compression Bonded magnets can be made from either NdFeB or SmCo , Ferrite powders.

Magnetic property of injection magnet
Residual Induction BrGs2390275029202897281228812940
Coercive force HcbOe2140235022352323238324312310
Intrinsic coercive force HciOe2715278028392727285329142788
Maximum product Energy BH MGOe1.41.872.052.071.952.042.11
Density G/cm33.273.623.753.793.643.73.75
Binder /PA6PA6PA6PA6PA12PA12Pa12
Max operation temperatureºC150150150150125125125

Injection Molded:

  • Binder Types / Nylon / PPS / Polyamide.
  • Temperature Range -40c 180c
  • Very Tight tolerances off tool ( 0.002 -0.003 Typical )
  • Very good mechanical strength

Compression Bonded:

  • Higher Magnetic Strength due to higher magnetic particle density.
  • Epoxy Binder / Resistant to normal industrial solvents and automotive fluids
  • Epoxy Coat after manufacturing to prevent oxidation
  • Temperature Range -40c 165c
  • "Tight" tolerances off tool
  • Good mechanical strength

Typical Bonded Magnet Applications:

  • Sensors
  • Brushless DC Motors
  • Household Appliances
  • Compressor
  • automatic door

General Bonded Magnet Applications:

  • Materials are isotropic and can be magnetized in any direction
  • Wide range of existing tool sizes are available in rings, discs and rectangles
  • Exsisting Multipole magnetizing fixtures for quick prototyping
  • Easily machined
  • Existing Multipole rings simplify assembly verse arc sepments

Permanent Injection Molded Magnets for Brushless DC Motors
Permanent Injection Molded Magnets for Brushless DC Motors

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