Bonded ferrite magnets are a type of permanent magnet made from a mixture of ceramic powder and a polymer binding agent. They are known for their high coercivity, making them resistant to demagnetization, and they are also relatively inexpensive compared to other types of magnets.When it comes to varying sizes of bonded ferrite magnets, they are available in a wide range of sizes and shapes to suit different applications. The size of the magnet can affect its magnetic properties, such as its maximum energy product and holding force. Larger magnets generally have greater magnetic strength and can exert a stronger force, while smaller magnets are more suited for applications with limited space.In terms of specific sizes, bonded ferrite magnets can range from small, thin discs or squares used in electronics and sensors, to larger, block-shaped magnets used in industrial applications such as magnetic separators and motors. The dimensions of the magnets can vary significantly, and custom shapes and sizes can also be manufactured to meet specific design requirements.When selecting a bonded ferrite magnet, it's important to consider the size and shape that best aligns with the intended application, taking into account factors such as magnetic strength, space constraints, and environmental conditions. Additionally, the manufacturing process and material composition can also influence the performance of bonded ferrite magnets across different sizes.Overall, the flexibility in size and shape makes bonded ferrite magnets suitable for a wide range of applications across various industries, offering a cost-effective and reliable magnetic solution.
Magnetic Characteristics and Physical Properties of Bonded Ferrite
Series | Ferrite | ||||||||
Anisotropic | |||||||||
Nylon | |||||||||
Grade | SYF-1.4 | SYF-1.5 | SYF-1.6 | SYF-1.7 | SYF-1.9 | SYF-2.0 | SYF-2.2 | ||
Magetic Charactari -stics |
Residual Induction (mT) (KGs) | 240 2.40 |
250 2.50 |
260 2.60 |
275 2.75 |
286 2.86 |
295 2.95 |
303 3.03 |
|
Coercive Force (KA/m) (Koe) | 180 2.26 |
180 2.26 |
180 2.26 |
190 2.39 |
187 2.35 |
190 2.39 |
180 2.26 |
||
Intrinsic Coercive Force(K oe) | 250 3.14 |
230 2.89 |
225 2.83 |
220 2.76 |
215 2.7 |
200 2.51 |
195 2.45 |
||
Max. Energy Product (MGOe) | 11.2 1.4 |
12 1.5 |
13 1.6 |
14.8 1.85 |
15.9 1.99 |
17.2 2.15 |
18.2 2.27 |
||
Physical Charactari -stics |
Dendity (g/m3) | 3.22 | 3.31 | 3.46 | 3.58 | 3.71 | 3.76 | 3.83 | |
Tension Strength (MPa) | 78 | 80 | 78 | 75 | 75 | 75 | 75 | ||
Bend Strength (MPa) | 146 | 156 | 146 | 145 | 145 | 145 | 145 | ||
Impact Strength (J/m) | 31 | 32 | 32 | 32 | 34 | 36 | 40 | ||
Hardness (Rsc) | 118 | 119 | 120 | 120 | 120 | 120 | 120 | ||
Water Absorption (%) | 0.18 | 0.17 | 0.16 | 0.15 | 0.15 | 0.14 | 0.14 | ||
Thermal Deformation Temp. (℃) | 165 | 165 | 166 | 176 | 176 | 178 | 180 |
Product Feature
Bonded Ferrite magnet features:
1. Can be made into permanent magnets of small sizes, complex shapes and high geometric accuracy with press moulding and injection moulding. Easy to achieve large-scale automated production.
2. Can be magnetized via any direction. Multi poles or even countless poles can be realized in bonded Ferrite.
3. Bonded Ferrite magnets are widely used in all kinds of micro motors, such as spindle motor, synchronous motor, stepper motor, DC motor, brushless motor, etc.