Ningbo Junhua Machinery Co., Ltd.
Main products:Aluminium Die Casting,Mg Die Casting,Steel Machining,Aluminium Machining,Zinc Die Casting
Products
Contact Us
  • Contact Person : Mr. Ma General
  • Company Name : Ningbo Junhua Machinery Co., Ltd.
  • Tel : 86-574-26865818
  • Fax : 86-574-26896800
  • Address : Zhejiang,Bingbo,No.305 West of Batou Road, Beilun district, Ningbo, P.R. China.
  • Country/Region : China
  • Zip : 315806

block ndfeb magnet for wind power rotor

block ndfeb magnet for wind power rotor
Product Detailed
1).Material:ndfeb magnet; 2).Size:customized; 3).Grade:N,M,H,SH,UH,EH; 4).Plating:Ni,Zn,Epoxy,Ag,Sn; 5).Shape:Block

Specification of NdFeB magnet 

1.Material: neodymium, iron, boron and few transition metals

2.Grade:N35~N52,35H~48H,33SH~42SH,30UH~40UH,30EH~38EH

3.Shape:Arc,Ring,Disc,Block,Cylinder ect.

4.Magnetization direction : Rdial/Axial

5.Plating:Ni(Ni-Cu-Ni),Zn,Epoxy,Sn,Ag etc.

6.Sample time:7days.(Some small sample for free)

7.Delivery time:15~30days

8.Packaging:foam,carton.or customized.

PHYSICAL PROPERTIES OF SINTERED NDFEB

Temp.Coeff.of.Br-0.11%/°cTemp.Coeff.of.Hc-0.6%/°c
Density7.4~7.7g/cm3Electrical Resistivity114pΩ.cm
Vickers Hardness600HvFlexural Resistity25kg/mm
Tensile strength8.0kg/mm²Coff.ofThermal Expansion4*10-6/°c
Specifc Heat0.12Kcal/kgThermal Conductivity7.7kcal/[m.h.°c]
Young's Moldulus1.6*10[11]N/m²Rigidity0.64N/m²
Poisson's Ratio0.24Compressibility9.8*10-12m²/N
Curie Temperature310~340°c  

Applications

1.Magnetic resonance imaging,Security systems, Magnetic separators, ,

2.Sensors, Speakers, Microphones/earphones, High performance motors,

3.Brushless motors, Micro motor, servo motors, VCM(voice coil motor), Automobiles,

4.Magnetic couplings, Magnetic Chucks, Magnetic toys,

5.Filters & strainers, Magnetic Badge Holder etc.

Our Advantage

1.We are experienced in produce neodymium magnet over 8 years.

2.Facory have a set of the professional production and Testing equipment. 

3.Product stable performance

4.Certification is ISO/ROHS/TS16949

5.Good serves,All the inquiries, questions and emails will be replied within 24 hours

6.Small smaple for free is avaliable.

block ndfeb magnet for wind power rotor



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