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Molded magnets are magnets that are pressed and formed by molds, mainly including sintered ferrite magnets, injection molded ferrite, injection molded NdFeB, and bonded NdFeB. Customers can choose suitable materials according to their own product applications, such as If you don't know what kind of material the sample in your hand is, you can send it to our customer service for judgment.
Molded Magnets - Bonded NdFeB
Bonded NdFeB magnets are mainly made of NdFeB alloy powder mixed with epoxy resin and pressed. It has the following characteristics:
High magnetic performance: The magnetic performance is between sintered NdFeB magnets and ferrite magnets, with better consistency and stability.
High dimensional accuracy and great freedom of shape: The shape and size of the product are guaranteed by the mold, and can be directly formed into free shapes such as ring, tile, block, etc., without sintering and post-machining.
Good corrosion resistance: After electrophoretic coating or some special treatment, it can be used for a long time in daily or harsh environment.
Flexible and diverse magnetization: the magnetic poles can be charged into multi-pole, oblique and radial directions, the magnetization surface can be inner circle, outer circle, end face and compound magnetization, and the waveform can be square wave or sine wave.
Bonded NdFeB magnets are mainly used in various micro motors, such as spindle motors, stepper motors, synchronous motors, DC motors, brushless DC motors, and are also widely used in various sensor devices. It can partially replace sintered NdFeB magnets and ferrite magnets, making the motor assembly process simpler and more reliable, with lower cost and higher efficiency.
Moulded magnets - injection moulded magnets (plastic magnets)
Injection-molded magnet is a bonded magnet produced by injection molding after mixing and granulating thermoplastic resin and magnetic powder. According to the magnetic performance requirements of injection-molded magnet products and the use environment, different combinations of resin and magnetic powder can be selected to meet the needs of use.
Advantages of injection molded ferrite magnets (features)
Since the injection-molded magnet is formed by the injection-molding process, the product can be designed into a more complex shape, and can also be directly injection-molded with other components to form a component. The process is reliable and simple, and the dimensional accuracy is high, Suitable for products with complex shapes..
Compared with commonly used sintered magnets (such as sintered rare earth permanent magnets and sintered ferrites), injection-molded magnets have better toughness and are less prone to cracking under impact loads.
Due to the high cost-effectiveness of injection-molded magnets, they are widely used in household appliances, automobiles, office equipment, 3C products and other fields.
Injection-molded magnets can be very simple shapes or very complex. For custom molded magnets, please send us an inquiry.
Molded magnet customization process;
1. Provide accurate molded magnet material
2. Customers provide drawings/samples of molded magnets
3. The company provides magnet quotations (proofing fee, proofing time, unit price, delivery date)
4. The customer confirms the quotation, signs the purchase contract, and pays the advance payment.
5. Proofing magnets in strict accordance with customer needs.
6. The customer confirms the sample, and after ok, the bulk goods will be made.
Molded magnet related columns;
Ferrite Magnets( Regular shapes and sizes basically have molds )
Injection Molded Ferrite Magnets
Introductory articles about molded magnets;
Injection molded magnet global major competing country and enterprises