Magnetization & Design
Magnetization directions: axial, radial, diametral
How magnetization direction affects performance, assembly, and supplier feasibility.
Last updated on 2026/01/23
Why magnetization direction matters
Magnetization direction determines how a magnet interacts with surrounding components. It affects pull force, flux path, and assembly constraints.
Axial magnetization
- Poles are on the flat faces of a disc or block.
- Common for discs, blocks, and bars.
- Often used in fixtures and simple assemblies.
Diametral magnetization
- Poles are on opposite sides of a cylinder.
- Common for sensors and rotating assemblies.
Radial magnetization
- Poles are on inner and outer surfaces of a ring.
- Used in motors, couplings, and encoder systems.
Design tips for RFQs
- Specify the magnetization direction explicitly on drawings.
- Include critical air gaps and mating materials.
- Confirm whether multi-pole magnetization is required.
Supplier feasibility checks
- Some magnetization patterns require special tooling.
- Thin rings or small features may limit radial options.
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