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6ES7151-1AA05-0AB0 什么是伺服电机轴电流

   日期:2013-09-03     浏览:169    评论:0    
核心提示:6ES7151-1AA05-0AB06ES7151-1AA05-0AB06ES7151-1AA05-0AB0伺服电机产生轴电流的原因及解决方法?首先是什么是伺服电机轴电流:伺服电机的轴---轴承座---底座回路中的电流称为轴电流。产生轴电流后会使电机轴承表面或滚
 6ES7151-1AA05-0AB0

 

6ES7151-1AA05-0AB0

 

6ES7151-1AA05-0AB0

 

伺服电机产生轴电流的原因及解决方法?首先是什么是伺服电机轴电流:伺服电机的轴---轴承座---底座回路中的电流称为轴电流。产生轴电流后会使电机轴承表面或滚珠受到侵蚀,形程点状微孔,使轴承运转性能恶化,摩擦损耗和发热增加,最终造成轴承烧毁。

  伺服电机产生轴电流产生的原因:

  (1)制造、安装不好,由于转子偏心造成气隙不匀;

  (2)可拆式定子铁心两个半圆间有缝隙;

  (3)有扇形叠成的定子铁心的拼片数目选择不合适。

  (4)磁场不对称;

  (5)供电电流中有谐波;

  伺服电机产生轴电流的解决方法:

  (1)电机设计时,将滑动轴承的轴承座和底座绝缘,滚动轴承的外圈和端盖绝缘。

  (2)消除脉动磁通和电源谐波(如在变频器输出侧加装交流电抗器);

联系人:蔡工   

热线:0592-5680775  

手机:18965816747   

传真:0592-5680772

QQ:2621831054


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