Product Name:Super Strong Neodymium Ring Loudspeaker Magnet
Magnet ID:Ring-Ø76.2xØ50.4×12.7-N48-Ni
+ Highest Energy of All Permanent Magnets
+ Moderate Temperature Stability
+ High Coercive Strength
+ Moderate Mechanical Strength
Material Sintered Neodymium-Iron-Boron
Max Working Temperature Grade Max. operating temperature
N35-N54 80°C (176°F)
33M-52M 100°C (212°F)
30H-50H 120°C (248°F)
30SH-46SH 150°C (302°F)
30UH-42UH 180°C (356°F)
30EH-38EH 200°C (392°F)
28AH-33AH 220°C (428°F)
Coating Zn,Ni,Ni-Cu-Ni,Gold,Epoxy and so on
Magnet Shape Including Disc, Cylinder, Block, Bar, Ring, Countersunk, Segment, Trapezoid, Irregular shapes and more.Customized shapes for Neodymium(NdFeB) Magnet are available.
Technology Advantage Advanced R&D center,professional QC team and quality control system makes us take the lead in our industry
Delivery Advantage The lead time must be 2-5 days quicker than industry average because of more flexible machine process control.
Price Advantage The price is cheaper than industry average because of an excellent and efficient management system.
The application 1.Electrical energy-Flywheels,Wind Power Generators
2.Automating work-Computer VCM,Copiers,Printers
3.Science and research-ESR,Magnetic,Photon Generation
4.Medicine-Dental Material,MRI
5.Industry-Industrial Robots,Recycling,Air conditioner,Elevator Tractors
6.Audio visual products-Audio products,Televisions,DVD,CD
7.transportation-Small Motors,Sensors,Automobiles,EV,Hybrid cars
8.Telecommunications-mobile communications,PHS
Magnetisation Grade: N48
Material: Rare Earth Neo, Neodymium-Iron-Boron (NdFeB), NIB
Magnet ID: Ring-Ø76.2xØ50.4×12.7-N48-Ni
Plating / Coating: Nickel (Ni-Cu-Ni) / Double Ni
Shape: Ring
Ring Magnet Size:
Ring Total Diameter (D): Ø76.2mm
Ring Inner Diameter (d): Ø 50.4 mm
Ring Total Height (H): 12.7 mm
Tolerance: ±0.05 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1380-1420 mT (13.8-14.2 kGs)
Energy Density (BH)max: 366-390 KJ/m³ (46-49 MGOe)
Coercivity Force (Hcb): ≥ 923 kA/m ( ≥ 11.6 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 876 kA/m ( ≥ 12 kOe)
Maximum Operation Temperature: 80 °C
Delivery Time: 14-35 days
Measurements
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