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4 x 5mm Small NdFeB Cylindrical Magnet N45 Zinc, Rare Earth Super Strong Licensed Sintering Neodymium Cylinder Magnet for Motor Sensor Rotor Craft Toy, Amazing Powerful Bar NdFeB Permanent Magnets China Factory
Ø 4 x 5mm Small NdFeB Cylindrical Magnet N45 Zinc Technical Specifications:
Material: Neodymium (NdFeB)
Shape: Rod, Cylinder, Cylindrical, Bar
Diameter (D): 4 mm
Height (H): 5 mm
Tolerance: ±0.05 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1320-1380 mT (13.2-13.8 kGs)
Energy Density (BH)max: 342-366 KJ/m³ (43-46 MGOe)
Coercivity Force (Hcb): ≥ 923 kA/m ( ≥ 11.6 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 955 kA/m ( ≥ 12 kOe)
Maximum Operation Temperature: 80 °C
Delivery Time: 14-35 days
NdFeB magnets can be manufactured by sintering, compression bonding, injection molding, and extrusion. The sintered form holds the highest energy product of up to 48MGOe, while the bonded form holds a lower energy product of up to 10MGOe. The majorities of NdFeB magnets are anisotropic and can only be magnetized in the orientation direction. In general, magnetizing fields of approximately 30KOe are required to saturate NdFeB magnets.
The sintered NdFeB magnet is an alloy magnet that is mainly composed of Neodymium, Iron, boron and other microelements (Dy、Al、Nb、Mo、Co and so on). By powder metallurgy process, the melted alloy can be made into powder. The powder will be oriented in magnetic field and then be shaped. Finally it will be compacted after sintered in the inert gas or vacuum. So Sintered NdFeB has very high energy, coercive force, and cost performance, also good mechanical feature. It is known as “King of magnet”.
We always produce the small neodymium rod magnet 100% based on your requirements small ndfeb magnet.
To meet your needs, plz check the questions below:
1.What kind of material do you want to make the Neodymium magnets?
N35 (the max working temperature 80℃) is ok?
Attached pls find the sintered NdFeB magnet property performance form for your reference.
2.What is the max working temperature and continuous operation temperature?
3.What kind of plating do you prefer?
Blue-white Zinc or Nickel plating?
4.What is the magnetized direction?
Is through Height (axial) direction?
5.What is the tolerance?
±0.1, 0.05 mm is ok?
6. What is the initial sample order qty and potential mass order qty?
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