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Ring Neodymium Magnet

Categories Neodymium Magnet
Brand Name: Horizon
Certification: RoHS, REACH
Place of Origin: China
MOQ: 1
Price: Negotiable
Payment Terms: L/C, T/T
Delivery Time: 10-20 days
Packaging Details: Corrugated box, Polywood pallet, Polywood case
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    Ring Neodymium Magnet

    Ring Neodymium Magnet

    Neodymium bar magnets

    Horizon supply Neodymium magnets in ring shaped. The ring magnets are always used in industrial markets.

    Neodymium magnets known as NdFeB, Neodymium-Iron-Boron, Neo, NIB or Rare Earth Neodymium magnets, are the third generation of rare earth permanent magnets. They offer the highest energy product of any material today and are available in a very wide range of shapes, sizes and grades. These qualities have made NdFeB magnets preferable over the commonly used larger and less powerful Ferrite magnets.

    Although the Curie temperature for NdFeB materials is 310-370ºC, some irreversible loss of output may be expected at even moderate temperatures. NdFeB magnets also have a moderately high reversible temperature coefficient of Br which reduces total magnetic output as temperature rises. Selection of NdFeB instead of SmCo, for example, is a function of the maximum temperature of the application, required magnetic output at typical use temperature and total cost of the system. We are Ring Neodymium Magnet Factory .

    However, they are sensitive to oxidization and can develop corrosion, so they require surface protection like phosphate, passivation, Ni, NiCuNi, Zn, Epoxy, NiCuNi+Sn or others.

    Characteristics:

    Genuine Neodymium magnet, without La (Lanthanum) or Ce (Cerium) to destroy magnet quality

    Outstanding magnetic properties – Br high to 14.5 kGs (1. 45T) and (BH)max high to 52 MGOe (414 kJ/m3)

    High demagnetization resistance –maximum Hcj higher than 35 kOe (2785 kA/m)

    High working temperature – maximum working temperature high to 230ºC

    Wide range of grades with new ones regularly being developed – High magnetic properties, AH grades or Low Weight Loss materials and so on.

    Size:

    Normal Size Range: D (Outer Diameter): 1.5~180mm, d (Inner Diameter): 0.4~100mm, T (Thickness): 0.4~150mm

    Maximum Size: D180 x d100mm x T60mm, D80 x d60 x T180mm

    Minimum Size: D1.5 x d0.4 x T0.4mm

    Orientation Direction Size: Lower than 80mm

    Tolerance: Generally +/-0.1mm, Particularly +/-0.05mm

    Machining Method:

    The machining method for the outer diameter is same as that of the cylinder. And then it goes to inner diameter drilling and then slicing. Prior to coating, the small ring needs vibration tumbling and the big ring needs manual chamfering.

    Ring Neodymium Magnet Main Application:

    Electric motors, sensors, speakers, magnetic assemblies, etc.

    Main Test Items Prior to Delivery:

    In order to ensure NdFeB magnets to meet requirements, we main test following items: size, weight loss, magnetic properties, flux, flux density, angle deviation, magnetic loss, appearance, coating thickness, corrosion resistance, etc.

    Buy Ring Neodymium Magnet at wholesale prices
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