product:
Neodymium Iron Boron square block magnets
A neodymium magnet is a type of rare-earth permanent magnet. It ismade from an alloy of neodymium, iron, and boron to form the Nd2Fe14B tetragonal crystalline structure. This material is currently the strongest type of permanent magnetin the world.
There are two kinds of magnets: Sintered NdFeB magnet and bonded NdFeB magnet.
This NdFeB magnet square is Sintered NdFeB magnet,the magnetized through the thickness.
Nd-Fe-B permanent magnet is manufactured in a wide range of shapes, sizes and grades according customer's demand.
Neodymium Iron Boron square block magnets have a very high energy product and coercivity, can pick up 660 times of own weight of heavy objects.
Theadvantage is high cost-effective, with good mechanical properties, easycutting; according customer's demand to manufacture in a wide range ofshapes, sizes and grades.
The shortcoming is easy to rust,oxidation, so the Sintered NdFeB's surface is usually required forplating such as zinc, nickel, silver, gold, etc., can also be donephosphorus treatment or spray epoxy resin to slow down the oxidationrate.
Specifications of
Neodymium Iron Boron square block magnets
Grade | Residual Induction | Coercive Force | Intrinsic Coercive Force | Maximum Energy Product | Maximum Operating Temperature |
| Br | Hcb | Hcj | (BH)max | Tw |
| T | KGS | KA/m | KOe | KA/m | KOe | KJ/m3 | MGOe | ℃ |
N28EH | 1.04-1.08 | 10.4-10.8 | 780-812 | 9.8-10.2 | ≥2388 | ≥30 | 207-223 | 26-28 | ≤200 |
N30EH | 1.08-1.12 | 10.8-11.2 | 804-844 | 10.1-10.6 | ≥2388 | ≥30 | 223-239 | 28-30 | ≤200 |
N33EH | 1.14-1.17 | 11.4-11.7 | 820-876 | 10.3-11.0 | ≥2388 | ≥30 | 247-263 | 31-33 | ≤200 |
N35EH | 1.17-1.21 | 11.7-12.1 | 860-907 | 10.8-11.4 | ≥2388 | ≥30 | 263-279 | 33-35 | ≤200 |
N38EH | 1.22-1.26 | 12.2-12.6 | 860-907 | 10.8-11.4 | ≥2388 | ≥30 | 287-303 | 36-38 | ≤200 |
Note: The above mentioned data of magnetic parameters and physical are given at 20℃±2℃
Neodymium Iron Boron square block magnets
²APPLICATION:
² instrumentation,
² electro-acoustic motor,
² magnetic magnetization device
²micro motors,
²electronic industry,
²automobile industry,
²petrochemicals,
²nuclear magnetic resonance device,
²sound device magnetic suspension system,
²magnetic transmission machine
²magneto therapy equipment
²high performance motors,
²brushless DC motors,
²generators,
²magnetic separation,
²magnetic resonance imaging,
²sensors
²loudspeakers
²headphones,
²hearing aids,
²voice coil motors,
²magnetic vibrators,
²vibrating motors,
²permanent magnet motors,
²magnetic thrust axis,
²magnetic machinery,
²magnetic spring,
²magnetic vibration device
²magnetic connection,
²magnetic drive,
²Permanent magnet crane
²electromagnetic pumps,
²magnetic separators
²MRI
²magnetic machine
²magnetic equipment
²magnetic water
²magnetic seal
²oil magnetization of paraffin