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极靴
[电磁] pole shoe
- 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. - 极靴是电机上的关键零件，其作用是使气隙磁阻减小，改善磁场分布，并使励磁绕组容易固定。
Pole pieces, key parts on electrical motor, reduce the reluctance of the air-gap; improve the static magnetic field distributions and fix the excitation windings. - 为减少漏磁，提高永磁体的磁能利用率，软铁极靴可伸入分选空间，但长度应控制在0.5mm之内；
To reduce the leakage and improve the usage of magnetic energy of permanent-magnet, the pole shoe of soft iron can insert into the separation field whose length should be controlled within 0.5mm.
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