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力士樂電(dian)(dian)(dian)磁(ci)閥(fa)是由電(dian)(dian)(dian)磁(ci)線(xian)(xian)(xian)圈(quan)和(he)磁(ci)芯(xin)(xin)組成(cheng)(cheng),是包含(han)一(yi)個或(huo)幾個孔的閥(fa)體(ti)(ti)。當線(xian)(xian)(xian)圈(quan)通(tong)(tong)電(dian)(dian)(dian)或(huo)斷電(dian)(dian)(dian)時,磁(ci)芯(xin)(xin)的運轉將(jiang)導致流體(ti)(ti)通(tong)(tong)過閥(fa)體(ti)(ti)或(huo)被切斷,以達到改(gai)變流體(ti)(ti)方向的目的。電(dian)(dian)(dian)磁(ci)閥(fa)的電(dian)(dian)(dian)磁(ci)部件由固定(ding)鐵(tie)芯(xin)(xin)、動鐵(tie)芯(xin)(xin)、線(xian)(xian)(xian)圈(quan)等(deng)(deng)部件組成(cheng)(cheng);閥(fa)體(ti)(ti)部分由滑閥(fa)芯(xin)(xin)、滑閥(fa)套、彈簧(huang)底(di)座等(deng)(deng)組成(cheng)(cheng)。電(dian)(dian)(dian)磁(ci)線(xian)(xian)(xian)圈(quan)被直接安裝在閥(fa)體(ti)(ti)上,閥(fa)體(ti)(ti)被封閉在密封管(guan)中(zhong),構成(cheng)(cheng)一(yi)個簡潔、緊湊的組合。我們(men)在生產(chan)中(zhong)常(chang)用的電(dian)(dian)(dian)磁(ci)閥(fa)有二(er)位(wei)三通(tong)(tong)、二(er)位(wei)四(si)通(tong)(tong)、二(er)位(wei)五通(tong)(tong)等(deng)(deng)。這里(li)先說說二(er)位(wei)的含(han)義(yi):對于電(dian)(dian)(dian)磁(ci)閥(fa)來說就是帶電(dian)(dian)(dian)和(he)失電(dian)(dian)(dian),對于所控制的閥(fa)門來說就是開(kai)和(he)關。
電磁閥的(de)故障(zhang)將直接影(ying)響到切換閥和調(diao)節閥的(de)動作,常見的(de)故障(zhang)有電磁閥不動作,應從以下幾方面(mian)排查:
1、電(dian)磁(ci)閥接線頭(tou)松動(dong)或線頭(tou)脫落(luo),電(dian)磁(ci)閥不得電(dian),可緊固線頭(tou)。
2、電(dian)磁(ci)閥線(xian)(xian)圈燒(shao)壞(huai),可拆下電(dian)磁(ci)閥的接(jie)線(xian)(xian),用(yong)(yong)萬用(yong)(yong)表測量,如果開路,則電(dian)磁(ci)閥線(xian)(xian)圈燒(shao)壞(huai)。原因(yin)有線(xian)(xian)圈受潮,引起絕緣(yuan)不(bu)好而漏磁(ci),造成線(xian)(xian)圈內電(dian)流過(guo)大而燒(shao)毀,因(yin)此要防止(zhi)雨水進(jin)入電(dian)磁(ci)閥。此外,彈簧過(guo)硬,反作(zuo)用(yong)(yong)力過(guo)大,線(xian)(xian)圈匝(za)數太少,吸力不(bu)夠也可使得線(xian)(xian)圈燒(shao)毀。緊急處理時(shi),可將(jiang)線(xian)(xian)圈上的手動按鈕(niu)由正(zheng)常工作(zuo)時(shi)的“0"位打到“1"位,使得閥打開。
3、電磁閥(fa)卡(ka)住:電磁閥(fa)的(de)滑閥(fa)套與閥(fa)芯的(de)配(pei)合間隙(xi)很小(小于0.008mm),一般(ban)都是單件裝配(pei),當有(you)機械(xie)雜質帶入或潤滑油(you)太少時,很容易(yi)卡(ka)住。處理方法(fa)可(ke)用鋼絲從頭部小孔(kong)捅入,使(shi)其彈回。根本的(de)解決方法(fa)是要(yao)將電磁閥(fa)拆下(xia),取(qu)出閥(fa)芯及閥(fa)芯套,用清洗,使(shi)得(de)閥(fa)芯在閥(fa)套內動作靈(ling)活。拆卸時應(ying)注意各部件的(de)裝配(pei)順序(xu)及外部接線位置,以便重新裝配(pei)及接線正確,還(huan)要(yao)檢(jian)查油(you)霧器噴(pen)油(you)孔(kong)是否(fou)堵(du)塞(sai),潤滑油(you)是否(fou)足夠。
4、漏氣(qi):漏氣(qi)會造成(cheng)空(kong)氣(qi)壓力不足,使得強制(zhi)閥的(de)啟(qi)閉困難,原(yuan)因是密(mi)封墊片損(sun)壞或滑閥磨損(sun)而造成(cheng)幾個(ge)空(kong)腔(qiang)竄氣(qi)。在(zai)處理切(qie)(qie)換系統的(de)電(dian)(dian)磁閥故障時(shi),應選擇適當(dang)的(de)時(shi)機,等該電(dian)(dian)磁閥處于(yu)失(shi)電(dian)(dian)時(shi)進行(xing)處理,若在(zai)一(yi)個(ge)切(qie)(qie)換間隙內(nei)處理不完,可將(jiang)切(qie)(qie)換系統暫停,從容(rong)處理。
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