极靴由铁磁物质制成,是电磁铁、永磁体和电机磁极的一个独特结构。有人称之为磁极头。在电磁铁及永磁体中它是不可缺少的部分。在永磁电机中用于永磁体的定位,以及改善磁场分布。
聚光镜的中心位置还有一个极靴(Pole piece),其作用是籍以增强磁 场强度,使电子束进一步聚拢。而磁场强度则又决定于所加电流的大小,故可通过 改变电流大小来调节磁场强度...
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...度; 极靴; 铁轭; 线圈 [gap=758]tem; rotation type iron core; translation type iron core; magnetic-flux density; pole shoe; hard yoke; coil ...
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本文采用积分方程法计算带极靴的任意形状的磁透镜。
In this paper, an integral equation method is developed for calculating the magnetic field produced by the iron-shielded lens of arbitrary shape.
所有带铆钉式极靴的中体必须检查是否生锈和炭刷的长度。
All field cases with rivet type pole shoes must be inspected for rust and brush length.
极靴配合磁电式堵漏器使用时,用导柱旋钮结构进行安装,方便快捷。
When the pole terminal is used by matching with a magnetoelectric leak stopper, the pole terminal is installed by a guide pole knob structure, and the operation is convenient and quick.
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