Neodymium Crescent Magnet Arc Magnets for Motor

• Customization: Available
• Application: Industrial Magnet, Solenoid, Motor Magnet, Industrial Arc Magnet
• Shape: Arc
• Model NO.: N42
• Coating: Nickel
• Grade: N45
• Product Name of Motor Magnet: N45h NdFeB Or18mm Xir14mmxt30mmx45deg NdFeB Arc Ma
• Envrionment Management System: ISO9001/14001
• Certificate of Motor Magnet: Ce/RoHS/SGS
• Tolerance of Motor Magnet: +/- 0.05mm
• Model Number of Motor Magnet: Gme-Arc45h
• Magnetization Direction of Motor Magnet: Axial//Diametrical/Radial/Multi-Poles Magnetized
• Working Temp. of Motor Magnet: 80-200 Degree Centigrade
• Transportation of Motor Magnet: by Sea, by Air, by Express
• Payment: T/T, Paypal, Western Union
• Lead Time of Motor Magnet: 15-25days
• Transport Package: Carton, Wood Case, Anti-Magnetized Package
• Specification: As Client′s Request
• Trademark: GME
• Origin: Ningbo/Xiamen
• HS Code: 8505111000
• Production Capacity: 3000 Tons

Product Description

Material: Neodymium (NdFeB)
Dimensions: OR18xIR14x45degreexT20 mm
Grade: N42H
Maximum Temperature: 248 deg F 120 deg C
Coating: Nickel (Ni)
Magnetization: Half with N on the outside face, half with S on the outer side face 8 pieces can assemble a full ring.

Neodymium arc magnets, or neodymium segment magnets, can be seen as a part of neodymium ring magnets or neodymium disc magnets. They are made of high-quality neodymium magnets containing the elements neodymium, iron, and boron. NdFeB magnets are permanent magnets and the most widely used type of rare earth magnets. Neodymium arc magnets are mostly used in voice coil motors, permanent magnet motors, generators, wind turbines, torque couplings, and other applications.
 

1. NdFeB rare earth magnets are mainly used in motors, generators, poly fitters, measuring instruments, magnetic drives, magnetic resonance, sensors, linear actuators, microphone assemblies, speakers, magnetic hooks, MRI/NMR.

2. Due to the strong magnetizing, never place neodymium magnets near electronic appliances, such as cards, televisions, VCRs, computer monitors, and other CRT displays.

3. Never allow neodymium magnets near a person with a pacemaker or similar medical aid. Keep the magnets away from children.

The neodymium magnets are extremely strong and must be handled with care to avoid personal injury and damage to the magnets.

4. Some Neodymium magnets will lose their magnetic properties if heated above 175°F (80°C).

5. The magnets must be slid off/on. Neodymium magnets are brittle and prone to chipping and cracking. They do not take kindly to machining.

1. Which is the strongest type of magnet?
Neodymium (more precisely Neodymium-Iron-Boron) magnets are the strongest permanent magnets in the world.
2. What are neodymium magnets?  Are they the same as "rare earth"?
Neodymium magnets are a member of the rare earth magnet family. They are called "rare earth" because neodymium is a member of the "rare earth" elements on the periodic table. Neodymium magnets are the strongest of rare earth magnets and are the strongest permanent magnets in the world.
3. What's the Grade of a magnet?
Atech Neodymium Permanent Magnet is graded according to its maximum energy product, which relates to the magnetic flux output per unit volume. Higher values indicate stronger magnets and range from N35 up to N52.  and M, H, SH, UH, EH, AH series, can be customized into a wide range of shapes and sizes with precise tolerances. Multiple choices of coatings and magnetization orientations can meet specific customer requirements. Letters following the grade indicate maximum operating temperatures (often the Curie temperature), which range from M (up to 100 °C) to EH (200 °C) to AH (230 °C)
4. What materials do magnets attract?
Ferromagnetic materials are strongly attracted by a magnetic force.  The elements iron (Fe), nickel (Ni), and cobalt (Co) are the most commonly available elements. Steel is ferromagnetic because it is an alloy of iron and other metals.
5. What materials can I use to block/shield magnetic fields?
Magnetic fields cannot be blocked, only redirected. The only materials that will redirect magnetic fields are materials that are ferromagnetic (attracted to magnets), such as iron, steel (which contains iron), cobalt, and nickel. The degree of redirection is proportional to the permeability of the material. The most efficient shielding material is the 80 Nickel family, followed by the 50 Nickel family.
6. How is the strength of a magnet measured?
Gauss meters are used to measure the magnetic field density at the surface of the magnet. This is referred to as the surface field and is measured in Gauss (or Tesla).  Pull Force Testers are used to test the holding force of a magnet that is in contact with a flat steel plate. Pull forces are measured in pounds (or kilograms).
7. Can I cut, drill, or machine neodymium magnets?
The Neodymium Iron Boron material is very hard and brittle, so machining is difficult at best.