Neodymium Halbach Array Magnetic Assemblies Tech Specification:
Grade Neodymium N48
Inside Diameter 40mm
Outside Diameter 30mm on Stainless-steel
Thickness 35mm
Plating/Coating Nickel Coating on Magnets, surrounded by Stainless-steel outer ring
Max Working Temp 80°C
Direction of Magnetism 1, South on outside, North on inside ; 2, North on outside, South on inside
High performance
High precision
High corrosion resistance
Radially magnetised magnets are rare due to a complex manufacturing process. Radially magnetised magnets are mostly used in motors and generators, as well as in free energy experimentation and rare earth permanent frictionless bearings.
This cylindrical Neodymium magnet has been radially magnetised with the north polarity on the inside and south on the outside. The outer diameter is 40mm and inner diameter is 30mm with a stainless-steel ring on the outside. radially neodymium magnet assembly
Radial Ring Magnets are manufactured with the north and south pole on the outside diameter (OD) and inside diameter (ID). These can be used as motor magnets, sensor magnets, and any applications were multiple or single poles are required on the OD or ID of the magnet.
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 cylinder:
Such as brushless AC motors, magnetic couplings and high field cylinders. Both brushless motors and coupling devices use multipole field arrangements.
Neodymium Radially Magnetised Ring Magnets, Radially Neodymium Magnet Assembly
Neodymium ‘Radially Magnetised’ Ring Magnets have a specific magnetic pattern on either their inside or outside diameter and are most commonly available in three different configurations. Magnets with Skewed Magnetisation are used in both servo and power steering motors. Magnets with Multi-pole magnetisation on the Outer Diameter and/or Inner Diameter can be found in servo motors, spindle motors, generators, couplings, and stepping motors. And lastly, magnets with a north pole on the Outer Diameter and south pole on the Inner Diameter (or vice versa) seen in image 3, are used in linear actuators, compressors, magnetic bearings and high end speakers.
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