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N35H Gray Epoxy Coating NdFeB Ring Permanent High-end Speaker Magnet, OD43xID38xT28mm Amazing Neodymium-Iron-Boron Ring Multipole Permanent Magnets for Generators Motors Rotors, custom premium extremely super strong speaker magnet, Powerful Rare Earth Ultra-strength magnetic rings, Sintered Neodymium Magnet China Supplier
N35H Gray Epoxy Coating NdFeB Ring Permanent High-end Speaker Magnet Specifications
Magnet Material: NdFeB or Neodymium Iron Boron
Magnet shape: Ring
Magnet grade: N35H
Outer diameter: 43mm
Inner diameter: 38mm
Tolerance: +/-0.1mm (0.004”)
Coating: Grey Epoxy Plated
Operating Temp(Max).: 120℃
Direction of magnetization: Multipole magnetized
Neodymium Magnets (NdFeB) are the most powerful of all permanent magnets. Neodymium magnets (also known as NdFeB, NIB or Neo magnet), the most widely used type of rare-earth magnet, is a permanent magnet made from an alloy of neodymium, iron and boron, the world’s strongest & most powerful permanent magnets. Neodymium permanent magnets usually offer the best value when comparing price and performance. Multipole Permanent Neodymium Circular Ring Magnets N38SH Black Epoxy
The Neodymium ring magnet in our range are versatile, high-performance. Ring magnets can be magnetised with their north and south pole on opposite circular faces or diametrically magnetised so that the north pole is on one curved side and the south pole is on opposite curved side. They are used in many everyday appliances such as vacuum cleaners plus motors, generators, rotor shafts and more. Black Epoxy Resin Coated Rare Earth Neodymium Large Ring Magnet, N38SH Multipole Axially Magnetized NIB Magnetic Ring With Black Epoxy Resin Plating, Speaker Neodymium NdFeB Permanent Ring Magnets N42SH Epoxy Coating
Process of Making Rare Earth Magnets
The rare earth magnets are made by using different process involving various stages. The popular stages of the production of rare earth magnets are:
The first stage is the manufacture of rare earth element alloys.
The metal alloy is then finely powdered.
The next step involved is pressing of powder either isostatically or pressing through die process.
The particles so pressed are oriented.
Sintering of the element is done accordingly.
The shapes are then sliced into desired shapes and sizes.
The coating is done thereafter.
After finishing the above tasks, the finished shapes are magnetized.
At HERE, we sell custom Neodymium NdFeB magnets and custom magnetic assemblies so we can help you find the best fit for your project. Some of the common applications of the rare earth magnets are:
Motors and Generators
Automotive (clamps, sensors)
Separation (rods, grids, etc) – 10-12kG (22-26lbs) systems
High performance magnetic clamps and pot magnets
They are used in computer hard drives.
Rare earth magnets also find their utility in high-end speakers.
Buy Neodymium Magnets at HSMAG and get a better deal!
We routinely manufacture magnets to our customers’ specifications. We have assisted many Fortune 500 companies produce magnets for their specific application. We have the ability to produce magnets with varying magnetic properties, pole orientation, size, shape, temperature range, protective coatings and mechanical properties. We specialize in rare-earth magnetic materials and can produce magnets in Alnico, Ceramic Ferrite, NdFeB and SmCo materials. We can produce both sintered and bonded magnetic materials. If you have a specific requirement, contact us to discuss your application. Need high quantities of magnets at the lowest and fairest price possible? Contact our Customer Care Team