永磁电机中永磁体与有槽电枢铁心之间相互作用，产生齿槽转矩，引起电机振动和噪声。
Due to the interaction between the permanent magnet and slotted armature lamination, there exists cogging torque in slotted permanent magnet motors, which may cause noise and vibration.
利用聚合物动态流变综合测试仪中的三螺杆混炼单元加工铁氧体粘结磁体粒料，研究了振动力场对铁氧体粘结磁体力学性能和磁性能的影响。
The effect of vibration field and temperature on the density of polymer solid granules is studied through the experimental investigation of solid granule compaction.
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