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技術(shù)文章您的位置：網(wǎng)站首頁(yè) >技術(shù)文章 >電磁閥斷電后出現不能關(guān)閉問(wèn)題的原因

電磁閥斷電后出現不能關(guān)閉問(wèn)題的原因

更新時(shí)間：2021-05-19   點(diǎn)擊次數：5595次

電磁閥斷電后出現不能關(guān)閉問(wèn)題的原因大致可歸納為以下5點(diǎn)。

(1)電磁閥體箭頭指向與流體流動(dòng)方向不一致?？刹鹣码姶砰y重新安裝，使兩者方向一致；

(2)雜物堵塞使閥門(mén)關(guān)不嚴。應清洗電磁閥和過(guò)濾膜，特殊情況下，可將過(guò)濾網(wǎng)導壓孔孔徑擴大0.1mm左右，平衡壓力，使活塞正常下移，壓緊閥座；

(3)動(dòng)鐵芯、彈簧和主閥芯卡滯，彈簧長(cháng)度、壓力不合適，密封件破損或位置不平整；

(4)閥座和閥桿磨損或拉毛，導致電磁閥關(guān)不嚴，應研磨拉毛的閥桿、修理磨損的閥座或更換；


(5)電磁閥莉磁過(guò)大吸住鐵芯?？刹鹣码姶砰y，用手將鐵芯拉下，把鐵芯向上推至死點(diǎn)，突然松手，看剩磁能否吸住鐵芯。若被吸住，說(shuō)明剩磁大，必須更換合適材質(zhì)的鐵芯或整體更換電磁閥。

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