- 產(chǎn)品名稱： REXROTH二位四通換向閥4WE6W6X/EG24N9K4
- 所屬類別： REXROTH電磁閥
產(chǎn)品簡述
REXROTH二位四通換向閥4WE6W6X/EG24N9K4是上海韋米機(jī)電設(shè)備有限公司的【重點(diǎn)優(yōu)勢(shì)產(chǎn)品】之一
電話Tel：021-31139779
手機(jī)Cel：13524123373 （微信同號(hào)）
在線Q Q：1954814697 
E-mail:dengjie@wei-mi.com
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REXROTH二位四通換向閥4WE6W6X/EG24N9K4
現(xiàn)場(chǎng)快速判斷電磁閥好壞方法
一、首先檢查是不是電磁閥電磁線圈故障？
在DCS上給二位閥給開或者關(guān)的信號(hào)，然后看電磁閥是否得失電，一般在現(xiàn)場(chǎng)聽聲音即可。
若聽不到，那線圈肯定是有問題，至于電磁閥本身是不是有問題？（下面解釋）
如果電磁線圈問題，首先檢查接線，看是不是有虛接，或者有短路現(xiàn)象，如果線路上沒問題就是電磁閥線圈燒壞，可拆下電磁閥的接線，用萬用表測(cè)量，如果開路，則電磁閥線圈燒壞。原因有線圈受潮，引起絕緣不好而漏磁，造成線圈內(nèi)電流過大而燒毀，因此要防止雨水進(jìn)入電磁閥。此外，彈簧過硬，反作用力過大，線圈匝數(shù)太少，吸力不夠也可使得線圈燒毀。
二、若線圈是好的，那就是電磁閥本身的問題。
一般可以在手動(dòng)調(diào)節(jié)處用一字起由1調(diào)到0位置，使閥打開，若是能打開就說明的確是線圈的問題，換個(gè)線圈就可以了，若打不開，就拆電磁閥，看是不是閥芯卡住，或者是有雜粒堵，清洗正確應(yīng)該用CCL4，但是考慮到現(xiàn)場(chǎng)沒有條件的話，可以用汽油，實(shí)在沒有用水也可以，清洗后可以用現(xiàn)場(chǎng)儀表氣進(jìn)行吹干，拆時(shí)務(wù)必記好各部件的順序，不注意的話，裝的時(shí)候很容易出錯(cuò)，順序記錯(cuò)就算你清洗好電磁閥，即使電磁閥已經(jīng)通了也還是打不開的！
電磁閥（Electromagnetic valve）是用電磁控制的工業(yè)設(shè)備,是用來控制流體的自動(dòng)化基礎(chǔ)元件,屬于執(zhí)行器,并不限于液壓,氣動(dòng)。用在工業(yè)控制系統(tǒng)中調(diào)整介質(zhì)的方向,流量,速度和其他的參數(shù)。電磁閥可以配合不同的電路來實(shí)現(xiàn)預(yù)期的控制,而控制的精度和靈活性都能夠保證。電磁閥有很多種,不同的電磁閥在控制系統(tǒng)的不同位置發(fā)揮作用,最常用的是單向閥,安全閥,方向控制閥,速度調(diào)節(jié)閥等。
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