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電磁鐵的應用

  • 來源:本站
  • 發布時間:2018-05-23
  • 瀏覽量:741

電磁鐵是電流磁效應(電生磁)的一個應用,與生活聯系緊密,如電磁繼電器、電磁起重機、磁懸浮列車等。

電磁鐵可以分為直流電磁鐵和交流電磁鐵兩大類型。如果按照用途來劃分電磁鐵,主要可分成以下五種:

(1)牽引電磁鐵──主要用來牽引機械裝置、開啟或關閉各種閥門,以執行自動控制任務。

(2)起重電磁鐵──用作起重裝置來吊運鋼錠、鋼材、鐵砂等鐵磁性材料。

(3)制動電磁鐵──主要用于對電動機進行制動以達到準確停車的目的。

(4)自動電器的電磁系統──如電磁繼電器和接觸器的電磁系統、自動開關的電磁脫扣器及操作電磁鐵等。

(5)其他用途的電磁鐵──如磨床的電磁吸盤以及電磁振動器等。

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