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Super Strong Permanent Magnet Arc Rotor Motor Generator Magnet

Material: 38SH NdFeB Magnets, Arc Segment Neodymium Magnets
Dimension: R(mm)x r(mm)x W(mm)x T(mm)x A℃ with tolerance +/-0.1 or +/-0.05mm
Magnetizating Direction: Thickness
Max Working Temperature: 150℃
Magnetic Properties:
Residual Magnetic Flux Density (Br): 12.2-12.6 KGs (T):  1.12-1.26 T
Energy Density (BH)max:              35-39 MGOe   279-310 KJ/m³
Coercivity Force (Hcb):              ≥11.6 KOe  ≥923 KA/m
Intrinsic Coercivity Force (Hcj):    ≥20 KOe    ≥1592 KA/m
Quantity:
  • DunBen

The permanent magnets, which are called the next centurial magnets, are used in a wide range of industries including computer, automobile, electric machinary, electro-sound devices, automatic control, magnetic force mechanism, microwave commnication, petrochemical industry, medical apparatus and equipment. The magnets are the ideal materials for the subminiature magnetic devices with high function.NdFeB magnets is especially suitable for developing those new products demanding high quality, small volume and light weight.

Applications of Sintered NdFeB Magnets
· Automotive Starters · Microphone Assemblies
· Computer Rigid Disc Drives · Particle Accelerators
· DC Motors · Printers
· Headphone · Relays
· Halbach Arrays · Servo Motors
· Linear Actuators · Stepper Motors
· Linear Motors · Switches
· Loud Speakers · Undulators
· Magnetic Bearings · Vacuum Deposition
· Magnetic Couplings · Voice Coil Motors (VCM)
· Magnetic Separators · Wind Turbines

Besides of disc magnets, block magnets, ring magnets, cylinder magnets and sphere magnets , segment magnets are also very important for industry. In some aspects, it can not be insteaded by other magnets shapes. The segment magnets are especially used in the field of magnets motors and electrical machinery. The composition of segment magnets are more complicated than other shapes, so the magnets drawings are needed when produce the magnets or make the offer for the magnets.

Item neodymium arc magnets for motor
Shape  
Arc/ Customzsed  (block,disc,Cylinder, Bar, Ring, Countersunk, Segment,
 
ball shape,hook,cup, Trapezoid, Irregular shapes ,etc)
Performance N38SH/Customised (N33 N35 N38 N40 N42 N45 N48 N50 N52 …...)
Size:  Various kinds or according to customers' request
Coating Ni-Cu-Ni, Nickel  /   Customised (Zn,NiCu-Ni,Ni,Gold, Silver, Copper, Epoxy, Chrome ,etc)
Size Tolerance
 
±0.05mm for diamater/thickness, ±0.1mm for width/length
Magnetization  
Thickness Magnetized, Axially Magnetized, Diametrally Magnetized, Multipoles magnetized, 
 
Radial Magnetized. (Customzied specific requirements magnetized)
MOQ 10PCS
Application The main application for arc segment magnets is in motors or generators, either for rotors or stators. DC motors,electric car motor, Linear Motors,Various Motors, Electric Motor, Motor generator, Cleaning machine,  Wind turbine generator. Micro special motors, Voice coil motors (VCM), Various motors, Electric motorcycle, Wind turbine generator. Micro motors, Voice coil motors (VCM), Step motors, Geared down motors.
Lead Time Within 20 working days


ndfeb characteristics.pdf

ndfeb coating.jpg

Magnetized Direction:

磁化方向


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  Hang Zhou XiaoShan Dunben Magnet  Co., Ltd 
 1702, Unit 2, Building 1, Dacheng Mingzuo, Shiixn Road, Xiaoshan, Hangzhou, Zhejiang, China
  86-571-82750965 
  86-571-82751287
 wang@dbmagnet.com
 

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