Description of Neodymium ring magnets
Neodymium ring magnets are circular magnets with a hole through the center, creating a ring-shaped magnetic field. These magnets are known for their high magnetic strength and are a type of rare-earth magnet made from an alloy of neodymium, iron, and boron (NdFeB).
Features of Neodymium ring magnets
Shape: Ring magnets have a toroidal shape, with a hole in the center that can be of various sizes, depending on the intended use. The outer edge is the magnetic North pole, and the inner edge is the South pole.
Strength: They are among the most powerful permanent magnets available, with a strong magnetic field that extends both radially (outward from the ring) and axially (along the central hole).
Material: NdFeB ring magnets are coated to protect against corrosion. Common coatings include nickel, zinc, tin, or epoxy.
Temperature: While they can operate at relatively high temperatures, their maximum operating temperature is typically around 80°C to 150°C, depending on the grade and treatment.
Applications of Neodymium ring magnets
1.Sensor Applications: Ring magnets are used in various sensors and switches, where they interact with moving parts to detect position or rotation.
2.Magnetic Couplings: They can be used in magnetic couplings and separators, providing a non-contact connection that can transfer torque or hold parts together.
3.Motors and Generators: Ring magnets are found in brushless motors and generators, where they create a rotating magnetic field that interacts with the windings to produce motion or electricity.
4.Magnetic Bearings: They can be used in magnetic bearings and levitation systems, where they provide support without physical contact, reducing friction and wear.
5.Medical Devices: Ring magnets are sometimes used in medical equipment, such as in magnetic resonance imaging (MRI) machines.
Specification of Neodymium ring magnets
|
Material Type |
Residual Flux Density (Br) |
Coercive Force (Hc) |
Intrinsic Coercive Force (Hci) |
Max Energy Product (BH)max |
|
N35 |
11.7-12.1 KGs |
>11.0 KOe |
>12 KOe |
33-35 MGOe |
|
N38 |
12.2-12.6 KGs |
>11.0 KOe |
>12 KOe |
36-38 MGOe |
|
N40 |
12.6-12.9 KGs |
>11.0 KOe |
>12 KOe |
38-40 MGOe |
|
N42 |
13.0-13.2 KGs |
>11.0 KOe |
>12 KOe |
40-42 MGOe |
|
N45 |
13.3-13.7 KGs |
>11.0 KOe |
>12 KOe |
43-45 MGOe |
|
N48 |
13.8-14.2 KGs |
>11.0 KOe |
>12 KOe |
45-48 MGOe |
|
N50 |
14.1-14.5 KGs |
>11.0 KOe |
>11 KOe |
48-50 MGOe |
|
N52 |
14.5-14.8 KGs |
>11.2 KOe |
>11 KOe |
49.5-52 MGOe |
Testing and Quality Control of Neodymium Ring Magnets
FAQ for Neodymium ring magnets
Are you a Neodymium Ring Magnets factory or a Neodymium Ring Magnets manufacturer?
A: Yes, we are a Neodymium Ring Magnets factory, but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.
What is the delivery method of Neodymium Ring Magnets?
A: Generally, we send Neodymium Ring Magnets by UPS, DHL, or FedEx. Additionally, we can ship by sea to a seaport or by air to the nearest airport.
Why is your Neodymium Ring Magnet so cost-effective?
A: We cut out the middlemen in the end-to-end manufacturing process, and we obtain raw material directly from its source.
Do you do spot quality inspection of Neodymium Ring Magnets or full inspection of Neodymium Ring Magnets?
A: 100% full inspection for sure. All unqualified Neodymium Ring Magnets are discarded.
How do you ensure your lead time for Neodymium Ring Magnets?
A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.
What is the MOQ of Neodymium Ring Magnets?
A: Depends on the quantity of Neodymium Ring Magnets; generally, no MOQ limit.
How to pay for Neodymium Ring Magnets?
A: A bank transfer (T/T) will be acceptable.
What is the delivery time of Neodymium Ring Magnets?
A: Around 7-20 days, which depends on the quantity and production of Neodymium Ring Magnets.
What kind of package of Neodymium Ring Magnets is it?
A: Generally, we use a carton case or a plywood case with protective material inside to ensure the safety of Neodymium Ring Magnets.
What is the lead time of Neodymium Ring Magnets?
A: From the order placed to cargo receiving will take around 10-25 days.
Hot Tags: neodymium ring magnets, China neodymium ring magnets suppliers, factory, Nickel Titanium Alloys Bar, TZM Alloy Round Bar, Tungsten Carbide Insert Blade, Nickel Based Alloys, Inconel 625 Pipe, Neodymium Magnets
