Custom Magnets Description
Shop our large inventory of Custom Neodymium Magnets, Custom SmCo Magnets, 3M Adhesive Backing Magnets, Rubber Coated Magnets, Mounting Magnets, and more! Our Custom Magnets bulk are the most durable and functional magnets in the industry. Our Custom Magnets are available in many sizes. We also offer unique shapes like our square, oval, and rectangle shapes! Diversity exists between the varieties of magnetic alloy materials and grades, including apex magnets, and N52 magnets. Each permanent magnetic material has unique advantages and disadvantages. We suggest that you contact our customer support team so your application can be reviewed. We will then be able to select the appropriate magnetic material for your application.
Types of Custom Magnets
Custom magnets can be made from several magnetic materials, each offering different properties:
- Neodymium (NdFeB): Offers the highest available magnetic strength, suitable for applications requiring compact and powerful magnets.
- Ferrite (Ceramic): Widely used for their cost-effectiveness and good resistance to demagnetization and corrosion.
- Alnico: Known for their high temperature resistance and stability, ideal for sensors and applications with varying temperatures.
- Samarium Cobalt (SmCo): Provides high magnetic strength and excellent temperature stability, suitable for aerospace and military applications.
Custom Magnets Design Considerations
When designing custom magnets, several factors need to be considered:
- Shape and Size: Depending on the application, magnets can be designed in various shapes (discs, rings, blocks, cylinders, arcs, etc.) and sizes.
- Magnetic Material: The choice of material will depend on the required magnetic strength, temperature resistance, and environmental conditions.
- Magnetic Orientation: Magnets can be oriented in different ways during manufacturing to focus the magnetic field in the desired direction.
- Coatings and Platings: To prevent corrosion or wear, magnets can be coated with materials such as nickel, zinc, epoxy, or gold.
- Tolerance and Precision: The manufacturing process must consider the required tolerances and precision for the magnet to fit and function as intended in its application.
Applications of Custom Magnets
Custom magnets are utilized in a wide array of applications:
- Industrial and Manufacturing: Including motors, generators, magnetic separators, lifting and holding devices.
- Electronics and Technology: In speakers, headphones, sensors, and actuators.
- Medical Devices: For MRI machines, magnetic therapy, and surgical instruments.
- Automotive: In electric vehicle motors, sensors, and actuators.
- Consumer Products: Such as magnetic toys, jewelry, closures for bags and cases.
- Marketing and Promotional Items: Fridge magnets, magnetic business cards, and signage.
Custom Magnets Manufacturing Processes
The manufacturing process for custom magnets includes:
- Sintering: Common for neodymium and samarium cobalt magnets, involving the pressing of magnetic powders into a die, followed by sintering at high temperatures.
- Casting: Used for Alnico magnets, where the alloy is melted and poured into a mold, then cooled and solidified.
- Compression Bonding: For making high-precision neodymium magnets with a mixture of magnetic powder and epoxy binder.
- Injection Molding: Used for complex shapes and designs, particularly with ferrite magnets.