FESTO二位(wei)五(wu)通電(dian)磁(ci)閥(fa)主要(yao)用於液體和(he)氣體管路的(de)開關控制,是依(yi)靠電(dian)磁(ci)線(xian)圈(quan)產生(sheng)電(dian)磁(ci)力(li)來(lai)驅動(dong)閥(fa)門(men)的(de)開/關(guan)控(kong)制流體的控制(zhi)元件,是管路控(kong)制(zhi)過(guo)程中(zhong)常(chang)用的執(zhi)行器之壹(yi)。兩(liang)位(wei)是指閥(fa)芯有(you)兩(liang)個(ge)工(gong)作位(wei)置(zhi),五(wu)通是指(zhi)有五(wu)個(ge)氣管(guan)接口(kou)。電(dian)磁(ci)閥(fa)上的P孔為進(jin)氣孔(kong),R1和(he)R2(S)為泄(xie)氣孔(kong),這兩(liang)個(ge)孔(kong)壹(yi)般都(dou)會安(an)裝消(xiao)聲(sheng)器以減小聲(sheng)音。A和(he)B是出(chu)氣口(kou):電(dian)磁(ci)閥(fa)未得(de)電(dian)前(qian);A孔(kong)是通氣的(de),而B沒(mei)通氣;電(dian)磁(ci)閥(fa)電(dian)後;B孔通氣,而(er)A孔就(jiu)關氣了(le)。
電(dian)磁(ci)閥(fa)其(qi)實(shi)有(you)很多種,有兩(liang)位(wei)三通的,也有兩(liang)位(wei)五(wu)通和(he)三位(wei)五(wu)通的等。專門(men)用(yong)來控(kong)制(zhi)氣管(guan)進(jin)出(chu)氣,廣(guang)泛(fan)應(ying)用(yong)於如氣動(dong)機(ji)器抓(zhua)手,氣動(dong)閥(fa)門(men)等領(ling)域。其(qi)原(yuan)理(li)在(zai)於利(li)用(yong)弱電(dian)控(kong)制電(dian)磁(ci)線(xian)圈(quan)電(dian)磁(ci)位(wei)置(zhi)中(zhong)的(de)小閥(fa)芯,從(cong)而(er)改變(bian)進(jin)、出(chu)氣路(lu),使(shi)小(xiao)氣源控制(zhi)大(da)型氣動(dong)設備。
什(shen)麽(me)是(shi)FESTO二位(wei)五(wu)通電(dian)磁(ci)閥(fa),具(ju)體如下(xia):
兩位(wei)指電(dian)磁(ci)閥(fa)的閥(fa)芯有(you)兩(liang)個(ge)工(gong)作位(wei)置(zhi),五(wu)通指有(you)五(wu)個(ge)通道通氣,其(qi)中(zhong)P口(kou)與(yu)氣源連接(jie),A/B口(kou)與(yu)氣動(dong)負(fu)載元件連(lian)接(jie),R/S口(kou)作(zuo)排氣用(yong),壹(yi)般連(lian)接消(xiao)聲(sheng)器。R口是A口(kou)的(de)排氣孔(kong),S口是(shi)B口(kou)的(de)排氣孔(kong)。當單控(kong)電(dian)磁(ci)閥(fa)線(xian)圈(quan)不(bu)通電(dian)時(shi),A口出(chu)氣,當A口出(chu)氣時(shi),B與(yu)S口相(xiang)通用於排氣,當單控(kong)線(xian)圈(quan)通電(dian)時(shi)B口出(chu)氣時(shi),A與(yu)R口相(xiang)通用於排氣。
當給雙控電(dian)磁(ci)閥(fa)正動(dong)作線(xian)圈(quan)通電(dian),則正動(dong)作氣路(lu)接通,即使(shi)將(jiang)正(zheng)動(dong)作線(xian)圈(quan)斷(duan)電(dian)後正動(dong)作氣路(lu)仍然是接(jie)通的,會(hui)壹(yi)直維(wei)持到給(gei)反(fan)動(dong)作線(xian)圈(quan)通電(dian)為(wei)止。給(gei)反(fan)動(dong)作線(xian)圈(quan)通電(dian),則反(fan)動(dong)作氣路(lu)接通,即使(shi)將(jiang)反(fan)動(dong)作線(xian)圈(quan)斷(duan)電(dian)後反(fan)動(dong)作氣路(lu)仍然是接(jie)通的,會(hui)壹(yi)直維(wei)持到給(gei)正動(dong)作線(xian)圈(quan)通電(dian)為(wei)止。二位(wei)五(wu)通雙控電(dian)磁(ci)閥(fa)相當於有“自鎖(suo)”保持功(gong)能(neng)。