牽引汕(shan)尾電(dian)磁鐵的作用有(you)哪些?
牽(qian)引(yin)(yin)(yin)汕(shan)(shan)尾電(dian)(dian)磁鐵(tie)(tie)可(ke)以被(bei)理解為主要用來(lai)(lai)牽(qian)引(yin)(yin)(yin)機械裝置、開(kai)啟或者關閉各種閥門(men),以執行自動(dong)(dong)控制(zhi)任務。常(chang)見的(de)(de)牽(qian)引(yin)(yin)(yin)汕(shan)(shan)尾電(dian)(dian)磁鐵(tie)(tie)的(de)(de)鐵(tie)(tie)芯都(dou)是軟磁性材料(liao)而制(zhi),它的(de)(de)作用顯(xian)而易見,如對電(dian)(dian)動(dong)(dong)機進行制(zhi)動(dong)(dong)以達到準確停車的(de)(de)目的(de)(de)叫制(zhi)動(dong)(dong)汕(shan)(shan)尾電(dian)(dian)磁鐵(tie)(tie);電(dian)(dian)磁繼電(dian)(dian)器和接觸器的(de)(de)電(dian)(dian)磁系統(tong)、自動(dong)(dong)開(kai)關的(de)(de)電(dian)(dian)磁脫(tuo)扣器及(ji)操作的(de)(de)被(bei)稱為自動(dong)(dong)電(dian)(dian)器電(dian)(dian)磁控制(zhi)系統(tong)汕(shan)(shan)尾電(dian)(dian)磁鐵(tie)(tie),還有一類用于起重裝置來(lai)(lai)吊運鋼(gang)錠(ding)、鋼(gang)材、鐵(tie)(tie)砂等鐵(tie)(tie)磁性材料(liao)的(de)(de)被(bei)分為起重汕(shan)(shan)尾電(dian)(dian)磁鐵(tie)(tie)。