Permanent Magnet Rotor with Segment Halbach Arrays Technical Specifications:
Material Neodymium Magnet
Mold No.: MPHARM-21
Material NdFeB Magnet, steel alloy
Coating Passivation & Phosphating, Ni, Ni-Cu-Ni, Zn, CR3+Zn, Tin, Gold, Sliver, Epoxy , Teflon and more.
Magnetization Direction Radially Magnetized, Axially Magnetized, etc.
Grade N35-N52 (M.H.SH.UH.EH.AH)
Max. work Temp.: 80 ℃-200 ℃
Size Customized Size
Used Industrial Application
Certification ISO9001
Tolerance +/- 0.05mm
Halbach Array
1. Materials
Magnet: Neodymium Magnet
Hardware part: 20# steel, martensitic stainless steel
2. Application
Linear Halbach arrays:
Such as the brushless AC motor, voice coils, magnetic drug targeting to high-tech applications such as wiggler magnets which are used in Particle acceleratorsand Free-electron lasers.
Halbach Arrays – Permanent Magnet Assemblies for High-Tech Applications
Halbach Array with Hexapole Magnets
A Halbach Array is a magnetic array that produces a high magnetic field utilizing permanent magnets, arranged with a spatially rotating magnetic field vector which has the effect of focusing and augmenting the magnetic field on one side, while cancelling it out on the other. Halbach Arrays are able to achieve very high and uniform flux densities without necessitating any power input or cooling, which an electromagnet would require.
For over 25 years, MPCO Magnetics has been an industry leading custom manufacturer of permanent magnet Halbach Arrays for industrial and technical applications. We specialize in the technical design, engineering and manufacturing of multi-segmented, circular and linear (planar) Halbach arrays and Halbach-type magnetic assemblies, providing multiple pole configurations with high-field concentrations and high-uniformity. Halbach Cylinders & Planar Arrays Magnetic Rotor Assemblies
Halbach Cylinder – Circular Halbach Arrays
Halbach Array with Hexapole Magnets , 24 Poles Permanent Magnet Rotor Cylinder Magnet Halbach Assembly
A Halbach cylinder is a circular Halbach array consisting of several trapezoidal or arc-shaped magnet segments with magnetic orientation vectors that rotate in order to focus the field. They are routinely built in quadrupole, hexapole, sextupole, octupole and other magnet configurations. Generally, the larger the number of discrete magnets with a corresponding number of magnetic vector angles, the more uniform the field across the inside diameter of the Halbach assembly.
Halbach cylinders are used in NMR devices, sophisticated high-torque motors, beam focusing, research and magnetic particle separation equipment for industrial, life science, R & D and medical applications.
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