{"id":3736,"date":"2026-03-20T07:15:03","date_gmt":"2026-03-20T07:15:03","guid":{"rendered":"https:\/\/nbaem.com\/?p=3736"},"modified":"2026-03-16T04:45:28","modified_gmt":"2026-03-16T04:45:28","slug":"solutions-for-heat-dissipation-of-axial-flux-motors","status":"publish","type":"post","link":"https:\/\/nbaem.com\/he\/solutions-for-heat-dissipation-of-axial-flux-motors\/","title":{"rendered":"\u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05dc\u05d4\u05d7\u05dc\u05d5\u05e7\u05ea \u05d7\u05d5\u05dd \u05dc\u05de\u05e0\u05d5\u05e2\u05d9 \u05d6\u05e8\u05dd \u05e6\u05d9\u05e8\u05d9"},"content":{"rendered":"

Why Axial Flux Motors Cooling is a Unique Engineering Challenge<\/h2>\n
\"Magnet

Magnet in Axial Flux Motors<\/p><\/div>\n

At NBAEM, we understand that while \u05de\u05e0\u05d5\u05e2\u05d9 \u05d6\u05e8\u05dd \u05e1\u05d9\u05e0\u05db\u05e8\u05d5\u05e0\u05d9\u05d9\u05dd \u05e2\u05dd \u05e9\u05d3\u05d4 \u05e6\u05d9\u05e8\u05d9<\/strong> <\/a>offer superior torque density, they present a distinct thermal management hurdle compared to their radial counterparts. Developing effective \u05e4\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05dc\u05e4\u05d9\u05d6\u05d5\u05e8 \u05d7\u05d5\u05dd \u05e9\u05dc \u05de\u05e0\u05d5\u05e2\u05d9\u05dd \u05d1\u05e2\u05dc\u05d9 \u05d6\u05e8\u05dd \u05d0\u05e7\u05e1\u05d9\u05d0\u05dc\u05d9<\/strong> requires navigating complex geometric constraints and material limitations.<\/p>\n

The Geometric Barrier<\/h3>\n

The primary obstacle lies in the motor\u2019s topology. In traditional radial flux motors, the stator is located on the exterior, allowing heat to dissipate directly through the casing to the ambient environment. Conversely, axial flux designs often feature a stator \u201csandwiched\u201d between two rotors. This configuration buries the primary heat sources\u2014the windings and the \u05dc\u05d9\u05d1\u05ea \u05dc\u05d5\u05de\u05d9\u05e0\u05e6\u05d9\u05d4<\/strong>\u2014deep within the assembly, restricting direct airflow and complicating the path for thermal transfer.<\/p>\n

The Threat of Derating<\/h3>\n

When heat cannot escape efficiently, performance suffers. Poor thermal management forces engineers to implement derating strategies, artificially limiting the continuous torque output to protect internal components. This compromise undermines the high power-density advantage that makes axial flux topology attractive for \u05e8\u05db\u05d1\u05d9 \u05d7\u05e9\u05de\u05dc<\/strong> and industrial applications. Without a robust thermal strategy, the motor acts as a bottleneck rather than a powerhouse.<\/p>\n

Magnet Demagnetization Risk<\/h3>\n

The most catastrophic risk involves the permanent magnets. As temperatures rise within the tight air gaps, standard magnets face the threat of irreversible demagnetization.<\/p>\n