Product Name: Powerful NdFeB Ring Countersunk Magnet
Model No:NCR-4026-N35
Specifications:
1. Powerful permanent pot magnet
2. High quality & best price
3. High working temperature
4. Good corrosion resistance
Original Manufacturer:HangSeng Magnetech
Solution:Customized your required material, size, coating, shape, grade, pull force and woking temperature
Origin:Ningbo, Zhejiang, China
Supply Ability:50000pcs/day
Certification:SGS,TUV,ISO9001,ROHS,TS16949
Applications:magnetic holding, lifting, antenna Mounting, positioning, retrieving and much more.
Features:
1. Ideal for limpet type gripping applications, as bases to machine tool accessories and industrial light fittings
2. Permits used in confined places
3. Standard M6 thread
4. Features mark diameter clearance holes for fastening with rods or bolts
5. Materials: Ceramic Ferrite, AlNiCo, NdFeB or SmCo are available
Industrial Customized Neodymium Multipole Ring Magnet
1.High corrosion resistance and low weight loss products
There are two main standards of low weight loss test as follows:
1). USA PCT: 121±1℃, 2 atm, 95% RH, 96 hours, weight loss less than 5~10mg/cm2
2). Europe HAST: 130±2℃, 3 atm, 95% RH, 168 hours, weight loss less than 2~5mg/cm2
Due to special material formulation and manufacturing process, the corrosion resistance is so excellent that magnets can reach the strict testing requirements above. These magnets are widely used in elevator, wind generator, military and aerospace industries.
The neodymium atom also can have a large magnetic dipole moment because it has 7 unpaired electrons in its electron structure as opposed to (on average) 3 in iron. In a magnet it is the unpaired electrons, aligned so they spin in the same direction, which generate the magnetic field. This gives the Nd2Fe14B compound a high saturation magnetization (Js ~1.6 T or 16 kG) and typically 1.3 teslas. With higher Hcj value, these magnets are more stable during high temperature. The tests show that the maximum permanent loss after aging is 5%.
Demagnetization Curves at High Temperatures:
Magnetisation Grade: N35
Material: Neodymium-Iron-Boron (NdFeB), Neodymium and Steel
Magnet ID: NCR-4026-N35
Plating / Coating: Nickel (Ni-Cu-Ni) / Double Ni
Shape: Ring with Countersunk Hole (countersink hole)
Countersunk Magnet Size:
Ring Total Out-Diameter (D): 40 mm
Ring Total Inner-Diameter (d): 26 mm
Ring Total Height (H): 8 mm
Small Hole Diameter (d1): 6 mm
Tolerance: ±0.05 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1170-1220 mT (11.7-12.2 kGs)
Energy Density (BH)max: 263-287 KJ/m³ (33-36 MGOe)
Coercivity Force (Hcb): ≥ 868 kA/m ( ≥ 10.9 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 955 kA/m ( ≥ 12 kOe)
Maximum Operation Temperature: 80 °C
Delivery Time: 14-35 days
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