深圳屹誠機(ji)電(dian)設備有限(xian)公司
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聯系人:羅群東(銷(xiao)售部 銷(xiao)售經理)
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電 話:0755-89368793
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電磁(ci)閥壞了有什么表現?
1、電磁閥的密(mi)封性。
一個電(dian)磁閥密(mi)(mi)封性的好壞,直接決定了電(dian)磁閥是(shi)否會泄(xie)露。現在的電(dian)磁閥密(mi)(mi)封主要是(shi)硬密(mi)(mi)封和(he)軟(ruan)密(mi)(mi)封兩種。有著各自適(shi)合(he)的介質,如果(guo)
2、電磁閥動作靈(ling)敏度和可靠(kao)性
這是(shi)指電磁閥(fa)(fa)(fa)對于介質(zhi)參數變(bian)化,做出相應(ying)反應(ying)的(de)敏感程度(du)。對于節(jie)流閥(fa)(fa)(fa)、減壓閥(fa)(fa)(fa)、調(diao)(diao)節(jie)閥(fa)(fa)(fa)等用來(lai)調(diao)(diao)節(jie)介質(zhi)參數的(de)電磁閥(fa)(fa)(fa)以及安全閥(fa)(fa)(fa)、清管閥(fa)(fa)(fa)等具有特定功能的(de)電磁閥(fa)(fa)(fa)來(lai)說,其(qi)功能靈敏度(du)與可靠性是(shi)十分重要的(de)技術性能指標。
3、就(jiu)是開關(guan)的(de)啟(qi)閉速度
啟(qi)閉(bi)(bi)(bi)速度是(shi)用電(dian)磁閥完成一次開啟(qi)或(huo)關(guan)(guan)閉(bi)(bi)(bi)動(dong)作所(suo)需的(de)時間來表示。一般對電(dian)磁閥的(de)啟(qi)閉(bi)(bi)(bi)速度無(wu)嚴格要(yao)求,但有(you)些工(gong)況對啟(qi)閉(bi)(bi)(bi)速度有(you)特殊要(yao)求,如有(you)的(de)要(yao)求迅速開啟(qi)或(huo)關(guan)(guan)閉(bi)(bi)(bi),以(yi)防發(fa)生事故,有(you)的(de)要(yao)求緩(huan)慢關(guan)(guan)閉(bi)(bi)(bi),以(yi)防產生水擊等,這在(zai)選用電(dian)磁閥類型時應(ying)加(jia)以(yi)考慮。
4、是介質流(liu)通的問(wen)題
介質再流通的適合會(hui)產品壓力,因此,再設(she)計電磁閥(fa)的時候要盡(jin)可能的降低電磁閥(fa)對介質的阻力。
如果(guo)電(dian)(dian)磁(ci)閥長期帶(dai)電(dian)(dian),可用手摸(mo)摸(mo)線圈,如果(guo)是熱的,線圈沒(mei)問(wen)題,在在PLC 上強制輸出幾次,閥動(dong)(dong)作,電(dian)(dian)磁(ci)閥肯定(ding)沒(mei)問(wen)題,如果(guo)不(bu)動(dong)(dong)作,你(ni)可以(yi)把找個螺絲(si)刀(dao)放(fang)在電(dian)(dian)磁(ci)閥閥體上用耳朵靠近聽,電(dian)(dian)磁(ci)閥帶(dai)電(dian)(dian)的時候回有聲音,如果(guo)不(bu)沒(mei)動(dong)(dong)作,那就很有可能是閥芯堵了,你(ni)還可以(yi)吧電(dian)(dian)磁(ci)筏(fa)后面風線解開。看看風的切換。
一(yi)(yi)(yi)般工(gong)藝反映不動(dong)作(zuo)(zuo)后(hou),先(xian)去中控(kong)(kong)室查(cha)看繼電(dian)(dian)(dian)器是(shi)(shi)(shi)(shi)否(fou)有電(dian)(dian)(dian),是(shi)(shi)(shi)(shi)否(fou)動(dong)作(zuo)(zuo)。一(yi)(yi)(yi)是(shi)(shi)(shi)(shi)離班組近(jin),二(er)是(shi)(shi)(shi)(shi)繼電(dian)(dian)(dian)器動(dong)作(zuo)(zuo)頻繁也易(yi)出故障。然后(hou)去現(xian)(xian)場,開蓋(gai)兒檢查(cha)電(dian)(dian)(dian)磁閥是(shi)(shi)(shi)(shi)否(fou)帶電(dian)(dian)(dian),如(ru)無(wu)(wu)電(dian)(dian)(dian)則往上查(cha)接(jie)線箱(xiang)和電(dian)(dian)(dian)纜,如(ru)有電(dian)(dian)(dian),則通、斷(duan)接(jie)線,聽電(dian)(dian)(dian)磁閥有無(wu)(wu)動(dong)作(zuo)(zuo)聲(sheng)音(yin),如(ru)無(wu)(wu)聲(sheng),量(liang)線圈電(dian)(dian)(dian)阻,壞則更換(huan);線圈好,則可(ke)能是(shi)(shi)(shi)(shi)閥芯被卡。 查(cha)找故障要一(yi)(yi)(yi)步(bu)一(yi)(yi)(yi)步(bu)按順序來,一(yi)(yi)(yi)般先(xian)不去現(xian)(xian)場,因為你不知道有沒(mei)有電(dian)(dian)(dian),是(shi)(shi)(shi)(shi)否(fou)是(shi)(shi)(shi)(shi)中控(kong)(kong)室里的原因,去了現(xian)(xian)場查(cha)出是(shi)(shi)(shi)(shi)中控(kong)(kong)室的毛病(bing),你再來回跑,折(zhe)騰(teng)。
1先判(pan)斷兩線是否有(you)電(dian)
2可用螺絲刀靠近(jin)電磁閥(fa)(fa)上面,一(yi)定是上面。是否有磁力,如有請拆(chai)開閥(fa)(fa)體,檢(jian)查閥(fa)(fa)心(xin)有無小(xiao)異物,內彈簧是否卡(ka)住(zhu),清除加油OK
電(dian)(dian)磁閥(fa)得電(dian)(dian)后,可(ke)以用螺絲刀的(de)金(jin)屬部分試一下是(shi)(shi)否有(you)吸(xi)力,如(ru)果(guo)有(you)吸(xi)力,還是(shi)(shi)不正(zheng)常,可(ke)能是(shi)(shi)閥(fa)芯卡了,如(ru)果(guo)沒(mei)有(you)吸(xi)力,可(ke)能是(shi)(shi)中(zhong)間(jian)繼電(dian)(dian)器有(you)問(wen)題。
量電(dian)(dian)磁閥線(xian)(xian)圈電(dian)(dian)阻,一般不超過150歐,否(fou)(fou)則電(dian)(dian)磁閥線(xian)(xian)圈燒壞。量電(dian)(dian)壓可判斷是否(fou)(fou)PLC柜子的中間繼(ji)電(dian)(dian)器之類的問題。如都正常則有可能閥塞(sai)卡住了。
你可(ke)以改(gai)變(bian)(bian)輸出(chu)信號后,觀察(cha)現(xian)場電(dian)(dian)(dian)磁(ci)(ci)閥(fa)是(shi)否動(dong)作,聽聲音即可(ke),或(huo)者(zhe)(zhe)現(xian)場的氣路改(gai)變(bian)(bian),如(ru)果電(dian)(dian)(dian)磁(ci)(ci)閥(fa)不動(dong)作你可(ke)以用(yong)萬用(yong)表測一下電(dian)(dian)(dian)磁(ci)(ci)閥(fa)線(xian)圈(quan)的電(dian)(dian)(dian)壓,如(ru)果電(dian)(dian)(dian)壓送(song)出(chu)就(jiu)說明電(dian)(dian)(dian)磁(ci)(ci)閥(fa)的問題,可(ke)能是(shi)閥(fa)芯卡了,或(huo)者(zhe)(zhe)線(xian)圈(quan)斷了,如(ru)果沒有電(dian)(dian)(dian)壓那(nei)就(jiu)是(shi)繼電(dian)(dian)(dian)器的問題.或(huo)者(zhe)(zhe)回路的問題或(huo)者(zhe)(zhe)電(dian)(dian)(dian)源保險(xian)的問題