Radial Multiple Poles Ring Magnet Modle No. MPRR-02
Coating: Ni-Cu-Ni Plated
Grade: N35, N38, N48, N50, N35M, N38M, N45M, N35SH, N38SH, N42SH, N45SH, N33UH, N35UH
Application: Motor, Rotor, Sensor, Actuator and etc.
MULTIPOLE RING MAGNETS
Our multipole ring magnet products are custom designed for your application requirements.
Our teams of sales and engineering professionals are able to custom create a specific multipole ring magnet to meet your most demanding application requirements. To discuss your needs for multiple ring magnet solutions, contact us.
Neodymium ring magnets are great for use as medical magnets, sensor magnets, motor magnets, consumer electronics magnets, holding magnets and speaker magnets. The “donut hole” shape allows for the magnet to fit on a post to secure it in place.
Ring Magnets can be custom manufactured in different ways so that they can be magnetized in a specific direction. Below is an overview of the different direction of magnetization options, however, the direction of magnetization can only be set during the manufacturing process and cannot be changed once the magnet is made. sintered ndfeb multi-pole radial ring magnets
Through the Thickness: Ring magnets where a magnetic field travels from the ID of the ring magnet to the OD of the ring magnet.
Radially Aligned NdFeB RING – Neodymium Iron Boron Radial Multiple Poles Ring Magnet
• Outstanding magnetic properties
• Wide range of grades with new ones regularly being developed
• In some applications it is the lowest cost magnetic material per unit of energy
• Minimal tooling costs
• Available in very small sizes through to large rings
• Samples & prototype quantities are available with short lead times
APPLICATION of Sintered Neo Radial Multiple Poles Ring Magnet
Stepper motors
Actuators
Magnetic bearings
Steering control motors
Magnetic clutch
Peripheral motors
Spindle motors
ADVANTAGES of Sintered NdFeB Multi-pole Radial Ring Magnets
Geometric precision
Variety of magnetic configuration
Homogeneous distribution of magnetic field
Design and assembly simplification
Precision of motor performances
Cost efficiency
Huge marketing potential
| Grade | Remanence Br(kGs) |
Coercivity Hc(kOe) |
Intrinsic Coercivity Hcj(kOe) |
Max Energy Product (BH)max |
Operating Temp. °C |
| N35 | 11.7-12.2 | ≥10.9 | ≥12 | 33-36 (MGOe) | 80 |
| N38 | 12.2-12.5 | ≥11.3 | ≥12 | 36-39 (MGOe) | 80 |
| N48 | 13.8-14.2 | ≥11.6 | ≥12 | 46-49 (MGOe) | 80 |
| N35M | 11.7-12.2 | ≥10.9 | ≥14 | 33-36 (MGOe) | 100 |
| N38M | 12.2-12.5 | ≥11.3 | ≥14 | 36-39 (MGOe) | 100 |
| N45M | 13.2-13.8 | ≥12.5 | ≥14 | 43-46 (MGOe) | 100 |
| N35SH | 11.7-12.2 | ≥11.0 | ≥20 | 33-36 (MGOe) | 150 |
| N38SH | 12.2-12.5 | ≥11.4 | ≥20 | 36-39 (MGOe) | 150 |
| N42SH | 12.8-13.2 | ≥12.4 | ≥20 | 40-43 (MGOe) | 150 |
| N45SH | 13.2-13.8 | ≥12.6 | ≥20 | 43-46 (MGOe) | 150 |
| N33UH | 11.3-11.7 | ≥10.7 | ≥25 | 31-34 (MGOe) | 180 |
| N35UH | 11.8-12.2 | ≥10.8 | ≥25 | 33-36 (MGOe) | 180 |
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