Studies show that the magnetic force of the electromagnet concentrates on nearby the magnetic pole mainly,the awl magnetic pole is the greatest among them,and its magnetic force performance is optimum.
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- 研究表明磁力排种空间的磁场力主要集中在磁极面附近,3种磁极中锥头磁极的磁场力最大,磁力性能最优。