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SEC PRODUCT
Magnet Series

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> SEC PRODUCTS > Bonded Magnet
Bonded Magnet
SEC Magnet Series
Summary

Bonded magnet is magnet powder (ferrite powder, Rare Earth Nd, Sm powder) arranged with rubber, plastics, and other organic materials under low melting point, and while the precision size is high, it is able to be fabricated into complex feature. The product with high degree of freedom and complex feature may be designed and manufacture.


Property

  Able to have multipolar magnetization by selecting arbitrary magnetized direction.
  Able to produce various features with injection mold.
  No post-process.
  High precision level of product to be used as micro precision parts of electronics.
  High resistance against heat and corrosion.
  Surface treatment required against high oxidizing power.
  Expensive due to comparatively convenient fabrication and high brittleness.
  Comparatively high maximum energy.


Use

Spindle Motor, Stepping Motor, CD-ROM Diver, DVD-ROM Diver, BLDC Motor, Micro Sensors, etc.


Magnetic Properties

Compression boned NdFeB
Grade Magnetic Property Density Temperature
Coeffictent		 Max.Working
Temp.
Br Hcb Hcj (BH)max
Gs KOe KOe MGOe g/㎠ %/℃ ℃
BNC-6 5200~6000 3.8~4.5 8.0~10.0 5.0~7.0 5.8~6.2 -0.13 140
BNC-8 6000~6500 4.5~5.5 8.0~12.0 7.0~9.0 5.8~6.2 -0.13 140
BNC-10 6500~7000 4.5~5.8 8.0~12.0 9.0~10.0 5.8~6.2 -0.07~0.13 110
BNC-12 7000~7600 5.3~6.0 8.0~11.0 10.0~12.0 6.2~6.4 -0.13 130
BNC-BH 5500~6200 5.0~6.0 12.0~16.0 6.0~9.0 5.8~6.2 -0.17~0.13 125


Injection Bonded NbFeB
Grade Magnetic Property Density Temperature
Coeffictent		 Max.Working
Temp.
Br Hcb Hcj (BH)max
Gs KOe KOe MGOe g/㎠ %/℃ ℃
BNC-2 2000~4000 1.5~3.0 7.0~9.0 0.8~30 3.5~4.0 -0.15 140
BNC-4 4000~4900 3.1~3.9 7.2~9.2 3.5~4.5 4.0~5.0 -0.10 140
BNC-6 4900~5700 3.9~4.0 8.0~10.0 5.2~7.0 5.0~5.5 -0.10 120
BNC-8 5700~6300 4.8~5.4 8.5~10.5 7.4~8.4 5.0~5.5 -0.10 120
BNC-6H 4800~5600 4.2~5.0 13.0~17.0 5.0~6.5 5.0~5.5 -0.15 120