Neodymium Ring Permanent Magnet

/Neodymium Ring Permanent Magnet
  • Neodymium Ring Permanent Magnet

Neodymium Ring Permanent Magnet, Rare Earth Ring Neodymium Permanent Magnet, N48 Neodymium Magnet, Neodymium Permanent Magnetic Ring, Large Ring Magnet, Larger Neodymium Magnet, N2Fe14B

Product Name: Neodymium Ring Permanent Magnet
Magnet ID:Ring-Ø60xØ50×5-N48-Cr+Zn
+ Highest Energy of All Permanent Magnets
+ Moderate Temperature Stability
+ High Coercive Strength
+ Moderate Mechanical Strength

Surface and Internal Structure Characteristics:
Permanent magnet materials have been developed primarily for their magnetic properties. The magnetic properties of some materials are produced using manufacturing techniques which are not consistent with pro-ducking perfect physical specimens. Minor physical imperfections rarely impair the magnetic capabilities of a magnet or compromise its stability or ability to resist demagnetization. Imperfections commonly found in permanent magnet materials shall be judged acceptable if the following conditions are met:
(I) The magnet meets the magnetic performance criteria agreed upon between the magnet manufacturer and customer.
(2) The imperfections do not create loose particles that would interfere with proper assembly or functioning in the end use device. Unless otherwise agreed, visual imperfection guidelines listed in the individual material sections apply.

Other Physical Properties: Typical values for other physical properties important to a magnet user are listed in the tables in the sections for each class of permanent magnet material and are intended to be descrimptions of the material, not criteria for acceptance or rejection.

Most permanent magnet materials lack ductility and are inherently brittle. Such materials should not be utilized as structural components in a circuit. Measurement of properties such as hardness and tensile strength are not feasible on commercial materials with these inherent characteristics. Therefore, specifications of these properties are not acceptable. Measurements of mechanical properties shown in the tables were performed under very carefully controlled laboratory conditions. The values are shown only for reference and comparison to other classes of materials.

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Product Range


Magnet Shape: Ring
Material: neodymium-iron-boron (NdFeB), neodymium, neo
Coating: Color Zinc(Cr+Zn)
Magnetic Grade:         N48
Magnetisation Direction: Axial
Residual Magnetic Flux Density (Br): 13.7-14.1 KGs (T):  1.37-1.41 T
Energy Density (BH)max:              45-49 MGOe   358-390 KJ/m³
Coercivity Force (Hcb):              ≥10.5 KOe  ≥836 KA/m
Intrinsic Coercivity Force (Hcj):    ≥11 KOe    ≥875 KA/m
Maximum Operation Temperature: 80 °C
Total diameter D: Ø 60 mm
Inner diameter d: Ø 50 mm
Total height H:        5 mm
Tolerance:         ±0.1 mm
Delivery time           3-14 days

Technical Drawing