Permanent Magnets & Hall Effect Sensors     My Account    |   Track Your Order   |   My Cart    |   F.A.Q.         
    Project Engineering     |     Collaboration Forum     |     Contact Us     |     About Us    |     Site Map       sales@bbautomacao.com

Motor Magnets, Arc/Segment Magnets for Electric Motors, PM Motors and Generators

BB Automacao supplies all kinds of motor magnets (NdFeB, Hard Ferrite, bonded NdFeB and Alnico magnets) for specified applications to different electric motors, PM motors and generators in the electrical engineering and electric vehicles etc. These magnets can be made with high iHc materials to match special motor applications. They are consistency for torque performance and ground to meet high precision and concentric requirements. The following table help you find the optimal magnet material for your motor magnets.

 

 
Magnetic Material Alnico Material Hard Ferrite Bonded NdFeB NdFeB Material
Max. Energieprodukt B×H max (MGOe) 1.13 ~ 9.0 0.8 ~ 5.1 5.0 ~ 14.0 28 ~ 51
Remanenz (kGs) 5.2 ~ 13.5 2.0 ~ 4.6 5.2 ~ 8.6 10.2 ~ 14.5
Intrinsic Coercivity iHc (kOe) 0.38 ~ 1.88 1.6 ~ 5.0 8.0 ~ 12.8 11 ~ 30
Curie Temperature (°C) 810-860 460 310 ~ 350 310 ~ 370
Maximum Operating Temperature (°C) 450 ~ 550 250 110 ~ 150 80 ~ 200
Temperature Coefficient of Br (%/°C) -0.025 ~ -0.02 -0.18 ~ -0.2 -0.075 ~ -0.13 -0.12 ~ -0.10
Temperature Coefficient of iHc (%/°C) 0.01 ~ 0.03 0.2 ~ 0.5 - -0.6
 

Main Specifications of Arc/Segment Magnets for Applications to Motors and Generators
 
 

North America Office
4101B Broadway #204
L.I.C., New York 11103
nyc@bbautomacao.com
No orders by phone toll-free
Fax: 1-718-841-7216

 Central & South Americas
Rua Benjamin Constant, 77 cj 606
Sao Paulo - SP - 01005-000
sp@automacao.com
No orders by phone
Cel.: (11) 3112-1683