电机MPL-B4560F-SK74AA

MPL-B4560F-SK74AA

混合式步进电机是兼具VR型和PM型电机优点的步进电机。VR（Variable Reluctance）型电机使用齿轮状的铁芯作为转子。其优点是可以通过机械加工减小步距角，缺点是转矩稍低，难以同时实现小型化和大转矩。而PM（Permanent Magnet）型电机则可以通过强力永磁体实现小型化的同时获得转矩，但是在减小步距角方面存在限制。

混合式电机使用VR型结构来实现的步距角，并且可以通过与永磁体相结合来增加转矩，这种电机已被用于众多应用。

转子的基本结构是在两个铁转子之间夹着沿轴向着磁的圆柱形磁铁。转子的圆周上刻有齿。从轴向看，是将两个转子的齿错开1/2节距进行安装。定子具有多个带有励磁线圈的磁极，每个磁极也具有类似于转子的齿。

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