- 產(chǎn)品名稱(chēng)： REXROTH力士樂(lè )高功率電磁鐵電磁閥4WE6Y6X/EG24N9K4
- 所屬類(lèi)別： REXROTH電磁閥
產(chǎn)品簡(jiǎn)述
REXROTH力士樂(lè )高功率電磁鐵電磁閥4WE6Y6X/EG24N9K4是上海韋米機電設備有限公司的【重點(diǎn)優(yōu)勢產(chǎn)品】之一
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E-mail:[email protected]
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REXROTH力士樂(lè )高功率電磁鐵電磁閥4WE6Y6X/EG24N9K4
電磁閥常見(jiàn)故障
1、線(xiàn)圈短路或斷路：
檢測方法：先用萬(wàn)用表測量其通斷，阻值趨近于零或無(wú)窮大，那說(shuō)明線(xiàn)圈短路或斷路。如果測量其阻值正常（大概是幾十歐），還不能說(shuō)明線(xiàn)圈一定是好的（我有一次測得一個(gè)電磁閥線(xiàn)圈阻值大概50歐姆，但電磁閥無(wú)法動(dòng)作，更換該線(xiàn)圈后一切正常），請進(jìn)行如下最終測試：找一個(gè)小螺絲刀放在穿于電磁閥線(xiàn)圈中的金屬桿的附近，然后給電磁閥通電，如果感覺(jué)到有磁性，那么電磁閥線(xiàn)圈是好的，否則是壞的。
處理方法：更換電磁閥線(xiàn)圈。
2、插頭/插座有問(wèn)題：
故障現象：
如果電磁閥是有插頭/插座的那種，有可能出現插座的金屬簧片問(wèn)題（筆者就碰到過(guò)）、插頭上接線(xiàn)的問(wèn)題（比如將電源線(xiàn)接到接地線(xiàn)上去了）等原因無(wú)法將電源送到線(xiàn)圈中。最好養成一個(gè)習慣：插頭插在插座上之后把固定螺絲擰上，線(xiàn)圈上在閥芯桿之后把固定螺母擰上。
如果電磁閥線(xiàn)圈的插頭配備有發(fā)光二極管電源指示燈，那么采用DC電源驅動(dòng)電磁閥時(shí)即行就要接對，否則指示燈不會(huì )亮。另外，不要將不同電壓等級的帶發(fā)光二級管電源指示的電源插頭調換使用，這樣會(huì )導致發(fā)光二極管被燒毀/電源（換用低電壓等級的插頭）出現短路或發(fā)光二極管發(fā)光很微弱（換用高電壓等級的插頭）。
如果不帶電源指示燈，電磁閥線(xiàn)圈是不用區分極性的（不象線(xiàn)圈電壓為直流的晶體管時(shí)間繼電器以及線(xiàn)圈上并聯(lián)有二極管/電阻泄漏回路的線(xiàn)圈電壓為直流的中間繼電器<這種中間繼電器以原裝小日本的居多>，需要區分極性）。
處理方法：修正接線(xiàn)錯誤、修復或更換插頭、插座。
3、閥芯問(wèn)題：
故障現象1：在電磁閥所通介質(zhì)壓力正常的情況下，按下電磁閥紅色的手動(dòng)按鈕，電磁閥都沒(méi)有任何反應（壓力介質(zhì)沒(méi)有出現通斷的變化），說(shuō)明閥芯一定是壞的。
處理方法：檢查介質(zhì)是否存在問(wèn)題，如壓縮空氣內是否有很多積水（有時(shí)候油水分離器起的作用不是很大，特別是當管路設計不良時(shí)通到電磁閥的壓縮空氣會(huì )有很多積水）、所通液體介質(zhì)是否有很多雜質(zhì)。然后清除電磁閥及管路中的積水或雜質(zhì)。如果再不行，請維修（如果你有時(shí)間有耐心而且有必要的話(huà)@_@）或更換閥芯，或者干脆把整個(gè)電磁閥全部換掉。
故障現象2：經(jīng)過(guò)檢查，線(xiàn)圈是原配線(xiàn)圈而且線(xiàn)圈通電時(shí)磁性正常，但電磁閥依然不動(dòng)作（這時(shí)電磁閥手動(dòng)按鈕的功能有可能是正常的），說(shuō)明閥芯是壞的。
處理方法：請維修或更換閥芯，或者干脆把整個(gè)電磁閥全部換掉。
至于電磁閥閥體的維修，因為種類(lèi)太多，那么多種的維修方法也說(shuō)不了很多，這里就不再贅述了。
電磁閥（Electromagnetic valve）是用電磁控制的工業(yè)設備,是用來(lái)控制流體的自動(dòng)化基礎元件,屬于執行器,并不限于液壓,氣動(dòng)。用在工業(yè)控制系統中調整介質(zhì)的方向,流量,速度和其他的參數。電磁閥可以配合不同的電路來(lái)實(shí)現預期的控制,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,速度調節閥等。
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