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技術(shù)文章您的位置:網(wǎng)站首頁(yè) >技術(shù)文章 >電磁閥故障簡(jiǎn)單分析與解決方法

電磁閥故障簡(jiǎn)單分析與解決方法

更新時(shí)間:2021-05-19   點(diǎn)擊次數:2437次

電磁閥故障分析與解決方法

故障現象

分析故障產(chǎn)生的原因

故障排除方法

控制輸出電源后

電磁閥的動(dòng)磁芯

無(wú)吸合動(dòng)作聲

(1)線(xiàn)圈沒(méi)有接通電源

(2)電源接觸不良或端子松動(dòng)

(3)電源電壓過(guò)高或過(guò)低

(4)線(xiàn)圈斷路或短路

(萬(wàn)用表可測出:電阻值為0或者無(wú)窮大時(shí))

(1)用萬(wàn)用表或電筆直接檢測線(xiàn)圈接線(xiàn)盒處是否有電

(2)打開(kāi)線(xiàn)圈接線(xiàn)盒擰緊電線(xiàn)端子螺絲

(3)調整電壓或給供電、控制設備增加穩壓裝置

(4)重新購買(mǎi)更換線(xiàn)圈

 通電后動(dòng)磁芯

有吸合動(dòng)作聲

但電磁閥沒(méi)打開(kāi)

(1)流體超過(guò)最大工作壓力或壓差

(2)動(dòng)磁芯和閥內有雜質(zhì)堵塞或卡住

(3)使用時(shí)間過(guò)長(cháng)或壽命到期

(1)降低流體輸送壓力或電磁閥前增加減壓設施

(2)拆開(kāi)電磁閥清洗,并在閥前安裝過(guò)濾器

(3)更換新的電磁閥

 通電時(shí)噪音過(guò)大(1)線(xiàn)圈頂上的螺母松動(dòng)

(2)電壓波動(dòng)超過(guò)允許公差范圍

(3)流體壓力或壓差超出允許范圍

(4)隔磁管內或動(dòng)磁芯吸合面粘有雜物

(1)擰緊螺母或在線(xiàn)圈下面加一個(gè)軟密封墊圈

(2)調整電源的電壓或增加穩壓設施

(3)降低流體輸出壓力或在電磁閥前增加減壓裝置

(4)清洗隔磁管和動(dòng)磁芯

 線(xiàn)圈過(guò)熱(1)電壓過(guò)高或過(guò)低

(2)流體溫度或環(huán)境溫度過(guò)高

(3)長(cháng)期超負荷或帶電使用

(1)調整電源的電壓或增加穩壓設施

(2)若溫升沒(méi)有超標則屬正?,F象,否則更換高溫型

(3)選配節能模塊,或針對工況需要選擇常開(kāi)型

斷電后,電磁閥不能

關(guān)閉或關(guān)不死內漏

(指常閉型)

 

(1)流體粘度過(guò)高并超標

(2)動(dòng)磁芯和閥內有雜質(zhì)堵塞卡住

(3)閥芯密封被堅硬雜質(zhì)劃傷破壞

(4)復位彈簧變形或彈簧疲勞老化

(5)閥座粘附臟物或被硬物劃傷破壞

(6)密封墊脫落、缺陷、變形、破損

(7)閥芯磨損、使用壽命到期

(1)定購適應高粘度的電磁閥

(2)拆開(kāi)電磁閥清洗內件,并在閥前安裝過(guò)濾器

(3)清洗雜質(zhì)、研磨密封面、更換密封件或閥芯組件

(4)糾正、拉伸彈簧或更新彈簧

(5)清洗雜質(zhì)、臟物,研磨閥座

(6)更換新的密封件

(7)更換新的閥芯或重新買(mǎi)新的電磁閥

 電磁閥外漏(1)連接處松動(dòng)

(2)連接處密封件損壞

(3)受到碰撞或安裝時(shí)用力過(guò)猛

   造成閥體或零部件裂紋、破裂

(1)擰緊泄漏處的螺栓或緊固螺母

(2)拆開(kāi)更換密封件

(3)更換受損的零部件或閥體

聯(lián)


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