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2026
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Axial flux stator and rotor core
As the core magnetic circuit components of axial flux motors (AFMs), the stator and rotor cores play a decisive role in improving motor power density, reducing energy loss and realizing lightweight design. Different from the traditional radial flux motor core, the axial flux stator and rotor cores adopt a disc-shaped structure, with magnetic flux propagating along the axial direction, which fundamentally optimizes the spatial layout and energy conversion efficiency.
In terms of material innovation, nanocrystalline and amorphous soft magnetic materials are widely used in rotor cores, effectively reducing eddy current and hysteresis losses. Soft Magnetic Composite (SMC) has become the preferred material for stator cores in high-frequency working conditions, with excellent magnetic permeability and machining flexibility. Structural optimization is another key breakthrough: the yoke-less segmented stator core shortens the magnetic flux path, reduces iron consumption by 25%-45%, and the dual-rotor single-stator structure balances magnetic pull, improving operation stability.
Advanced manufacturing processes such as 3D printing and precision stamping ensure the dimensional accuracy of cores, while modular assembly technology shortens the production cycle. These cores are widely applied in new energy vehicles, industrial robots and aerospace fields, promoting the upgrading of high-efficiency, compact and energy-saving motor systems. The continuous innovation of axial flux stator and rotor cores will further unlock the potential of AFMs, boosting the development of green and intelligent power equipment.
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