MPL-B580J-MJ74AA

MPL-B580J-MJ74AA

在外观示例中，给出的是HB（混合）型和PM（永磁）型步进电机的外观。在中间的结构图给出的也是HB型和PM型的结构。

　　步进电机是线圈固定、永磁体旋转的结构。右侧的步进电机内部结构概念图是使用两相（两组）线圈的PM电机示例。在步进电机基本结构示例中，线圈配置在外侧，永磁体配置在内侧。线圈除了两相外，还有三相和五相等相数较多的类型。

　　有些步进电机具有其他不同的结构，但是为了便于介绍其工作原理（下一篇）而在本文中给出了基本结构的步进电机。通过本文希望了解步进电机基本上采用线圈固定、永磁体旋转的结构。

　　关键要点：

　　・步进电机是一种可以与脉冲信号同步准确地控制旋转角度和转速的电机，步进电机也称为“脉冲电机”。

　　・步进电机的基本结构是线圈固定、永磁体可以旋转的结构。

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