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2026
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Axial flux stator and rotor core
The axial flux stator and rotor core are the core components of axial flux motors, which are distinguished by their disc-shaped structure and magnetic flux parallel to the rotation axis, differing from the radial flux design. As the magnetic circuit’s key part, these cores play a vital role in guiding magnetic flux, reducing energy loss, and ensuring high motor efficiency.
Typically, the cores are made of laminated electrical steel sheets or soft magnetic composites (SMC). Laminated sheets, insulated from each other, effectively minimize eddy current losses, while SMC offers greater design flexibility for complex structures. The stator core carries windings that generate a rotating magnetic field, while the rotor core, paired with permanent magnets, interacts with this field to produce torque.
Their compact, flat design enables higher torque and power density than radial flux cores, making them ideal for applications like electric vehicles, aerospace, and robotics where space and weight are critical. Despite manufacturing complexity, ongoing innovations in materials and lamination technology continue to optimize their performance, reducing losses and enhancing scalability, driving the widespread adoption of axial flux motors in modern electrification fields.
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