Donut N48 Strong Permanent Rare Earth NdFeb Magnet Ring Magnet
Product Description
Product Description
Over 15 Years Experience Neodymium magnet Manufacturer
8 Years Vertified Golden Supplier In Alibaba
100% Satisfaction Guaranteed On Quality
Samples and Trial Orders Are Most Welcome
Donut N48 Strong Permanent Rare Earth NdFeB Magnet Ring Magnet
Type | Permanent Sintered Neodymium Magnets/Rare Earth Magnet | ||||||
Material | NdFeB | ||||||
Shape | Block, Bar, Cube, Disc, Ring, Cylinder, Ball, Arc, Trapezoid, etc | ||||||
Size | CUSTOMIZED ACCORDING TO CUSTOMER'S REQUEST | ||||||
Coating | Ni, Zn, Epoxy, Parylene, Gold, Passivated, etc | ||||||
Density | 7.5-7.6 g/cm³ | ||||||
Delivery date | 7-10 days for common samples, 15-20 days for mass produciton | ||||||
Magnetic Grade & Working Temperature | Magnetic Grade | Working Temperature | |||||
N35-N45 | 80 ℃(176 ℉) | ||||||
N48-N52 | 60 ℃(160 ℉) | ||||||
35M-52M | 100 ℃(212 ℉) | ||||||
33H-50H | 120℃(248 ℉) | ||||||
33SH-45SH | 150 ℃(302 ℉) | ||||||
30UH-40UH | 180 ℃(356 ℉) | ||||||
28EH-38RH | 200℃(392 ℉) | ||||||
28AH-33AH | 220 ℃(428 ℉) |
Neodymium Magnet Block
Common range of diamension:
Length: 2mm - 200 mm
Width: 2mm - 200mm
Thickness: 1mm - 60mm Minimum: B2x2x1mm
Maximum: B200x200x50
Length and Width over 200mm, thickness under 1mm can be customized according to your request.
Direction of Magnetization:
Neodymium Magnet Block/Rectangle shape can be magnetized through Thickness, Length or Width.
Maximum extent of magnetization is 60mm.
Lead Time:
5-7 days for samples;
10-15 days for mass production.
Neodymium Magnet Disc
Common range of diamension:
Diameter: 2mm - 200 mm
Thickness: 1mm - 60mm
Thickness: 1mm - 60mm
Minimum: D2x1mm
Maximum: D200x50mm
Diameter over 200mm, thickness under 1mm can be customized according to your request.
Maximum: D200x50mm
Diameter over 200mm, thickness under 1mm can be customized according to your request.
Direction of Magnetization:
Neodymium Magnet Disc shape can be magnetized Axially or Diametrically.
Maximum extent of magnetization is 60mm.
Maximum extent of magnetization is 60mm.
Lead Time:
5-7 days for samples;
10-15 days for mass production.
10-15 days for mass production.
Neodymium Magnet Special Shape
Special size can be cusomized according to your requirements.
Neodymium Magnet Arc
Common range of daimension:
Wall thickness: Over 2mm
Thickness: Over 1mm
Width: Over 2mm
Direction of Magnetization:
Can be magnetized Diametrically, through Width or Thickness.
Maximum extent of magnetization is 60mm.
Lead time:
7-10 days for samples:
15-20 days for mass production.
Neodymium Magnet Ring
Common range of daimension:
Wall thickness: Over 2mm
Thickness: Over 1mm
Inside Diameter: Over 2mm
Direction of Magnetization:
Axially or Diametrically.
Maximum extent of magnetization is 60mm.
Maximum extent of magnetization is 60mm.
Lead time:
7-10 days for samples:
15-20 days for mass production.
15-20 days for mass production.
Why Choose Us
1. FLOW CHART
From the raw material to finished product,
all the processes are completed in our factory,
and are under our strict control.
2. QUALITY CONTROL
1> Magnet will be inspected strictly during the production of every process.
2> Every magnet will have a certificate before delivery.
3> Magnetic Flux report and Demagnetization Curve can be offered according to request.
3> Magnetic Flux report and Demagnetization Curve can be offered according to request.
3. CORE ADVANTAGE
1> Cutting-Edge Technology
Self-Developed Key Equipment, Unique Manufacturing Process, Energetic R&D Team.
2> Full Scale Production
Capacity 200 tons, Specialized Factories.
3> The Integrated Industry Supply Chain.
4> Outstanding Product.
4> Outstanding Product.
1> High Performance
N54, N52M, N50H, 46SH, 42UH, 38eh, 33AH etc.
2> High Working Temperature
The AH series with 40kOe super-high coercive force
can replace SmCo Magnets in most applications.
3> High Consistency
The Cpk of Remanence (Br) and Intrinsic Coercive Force (Hcj) are much higher than 1.67.
The Consistency of the surface magnetic field and magnetic flux can be controlled at +/-1%.
4> High Anti-Corrosion
The salt spray test and humidity heat test of the high
anti-corrosion coating Nickel+Copper+Epoxy is
typically more than 500 hours.
5> Low Weight Loss
PCT: 130°C, humidity 100%, vapor pressure 2.7 bar,
20 days, average low weight loss <2 mg/cm2.
4. DEMAGNETIZATION CURVE
N54 Demagnetization Curves
at Different Temperature
N52M Demagnetization Curves
at Different Temperature
N44SH Demagnetization Curves
at Different Temperature
N42UH Demagnetization Curves
at Different Temperature
N33AH Demagnetization Curves
at Different Temperature
N35EH Demagnetization Curves
at Different Temperature
5. APPLICATION
The sintered neodymium-iron-boron (NdFeB) permanent magnet is widely used in
permanent magnet servo motor, permanent magnet elevator tractor, wind driven generator,
permanent magnet linear motor, permanent magnet step motor, permanent magnet micromotor,
permanent magnet oil field motor, permanent magnet transducer, permanent magnet loudspeaker,
permanent magnet oil field motor, permanent magnet transducer, permanent magnet loudspeaker,
electronic component, medical equipment and so on.
Magnetization Direction
Common direction of magnetization showed in picture bellow:
1> Disc, cylinder and Ring shape magnet can be magnetized Axially or Diametrically.2> Rectangle shape magnets can be magnetized through Thickness, Length or Width.
3> Arc shape magnets can be magnetized Diametrically, through Width or Thickness.
Special direction of magnetization can be customized as required.
Product Categories : Neodymium Magnet > Ring Neodymium Magent
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