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N45SH Strong Neodymium Halbach Array Magnet, k=4 (assembled) Halbach ring magnet, Magnet Rotor, High Torque Shaft Couplings, Hign Hcj Value NdFeB Halbach Array Magnets for Motor, Halbach Array Segment Permanent Magnet
N45SH Strong Neodymium Halbach Array Magnet Feauture:
Material Neodymium Magnet
Mold No.: MPHARM-01
Size: OD 60mm X ID 20mm X T 100mm
(segment magnet length 100mm)
Pole number: 4 poles (8 magnets)
Max. work Temp.: 200 ℃
Magnet material: NdFeB N45SH
Housing material: Brass alloy
Magnetism direction K4
Lead Time About 30 days
Tolerance +/- 0.05mm
A Halbach Array is a special configuration of magnets to maximise the magnetic field on one side whilst reducing it on the other.
In the ring form presented here, the magnetic lines are focussed inside the ring.
Halbach arrays are the cutting edge of new design in relation to generators, motors, magnetic bearings and many more applications.
These magnets are supplied in sets of 12 magnets and are NOT assembled in the ring arrangement for you.
You will need to assemble the magnets in the desired locations as described by the diagram below.
I recommend you will have a sufficient workshop and engineering knowledge to setup the ring arrangement.
The magnets are very powerful and you cant simply place them together with your hands, you WILL NEED specific tools to hold in place and secure these magnets.
NdFeB Halbach magnet is a special magnetic component consisting of NdFeB permanent magnets that can provide controlled high magnetic field strength without the use of magnetically permeable materials. Halbach magnets, with the smallest magnet through a certain direction of magnetization to produce the strongest magnetic field to reduce the cost of materials.
A Halbach array is a special arrangement of permanent magnets that augments the magnetic field on one side of the array while cancelling the field to near zero on the other side. This is achieved by having a spatially rotating pattern of magnetisation.
The rotating pattern of permanent magnets (on the front face; on the left, up, right, down) can be continued indefinitely and have the same effect. The effect of this arrangement is roughly similar to many horseshoe magnets placed adjacent to each other, with similar poles touching. cylinder rotor ndfeb magnetic assembly