德國力士樂電磁閥低價銷售：電磁閥(fa)通常與單作用(yong)氣動(dong)(dong)執行機(ji)(ji)(ji)構配套使用(yong)，兩(liang)位是兩(liang)個位置可控(kong)：開-關，三通是有三個通道(dao)通氣，一般情(qing)況下1個通道(dao)與氣源連(lian)接(jie)，另(ling)外兩(liang)個通道(dao)1個與執行機(ji)(ji)(ji)構的(de)進(jin)氣口連(lian)接(jie)，1個與執行機(ji)(ji)(ji)構排氣口連(lian)接(jie)，具體的(de)工作原理可以參照(zhao)單作用(yong)氣動(dong)(dong)執行機(ji)(ji)(ji)構的(de)工作原理圖。 兩(liang)(liang)位(wei)五通(tong)(tong)(tong)電磁(ci)閥(fa)通(tong)(tong)(tong)常與(yu)雙作(zuo)(zuo)用(yong)氣(qi)動執行機構配(pei)套使用(yong)，兩(liang)(liang)位(wei)是(shi)兩(liang)(liang)個(ge)(ge)(ge)(ge)位(wei)置(zhi)可(ke)控(kong)：開-關，五通(tong)(tong)(tong)是(shi)有五個(ge)(ge)(ge)(ge)通(tong)(tong)(tong)道(dao)通(tong)(tong)(tong)氣(qi)，其中1個(ge)(ge)(ge)(ge)與(yu)氣(qi)源連(lian)(lian)接，兩(liang)(liang)個(ge)(ge)(ge)(ge)與(yu)雙作(zuo)(zuo)用(yong)氣(qi)缸的(de)外部(bu)氣(qi)室的(de)進(jin)(jin)出氣(qi)口連(lian)(lian)接，兩(liang)(liang)個(ge)(ge)(ge)(ge)與(yu)內部(bu)氣(qi)室的(de)進(jin)(jin)出氣(qi)口接連(lian)(lian)，具體的(de)工作(zuo)(zuo)原理(li)(li)可(ke)參照(zhao)雙作(zuo)(zuo)用(yong)氣(qi)動執行機構工作(zuo)(zuo)原理(li)(li) 在氣(qi)(qi)路（或液路）上(shang)來說，兩(liang)位(wei)三通(tong)電(dian)磁閥(fa)具有1個(ge)(ge)(ge)(ge)進氣(qi)(qi)孔(kong)(kong)（接進氣(qi)(qi)氣(qi)(qi)源）、1個(ge)(ge)(ge)(ge)出(chu)氣(qi)(qi)孔(kong)(kong)（提供(gong)給目(mu)標設(she)備(bei)氣(qi)(qi)源）、1個(ge)(ge)(ge)(ge)排(pai)氣(qi)(qi)孔(kong)(kong)（一(yi)(yi)般安(an)裝一(yi)(yi)個(ge)(ge)(ge)(ge)消(xiao)聲器，如果不怕噪音的(de)(de)話也可以不裝@_@）。 兩(liang)位(wei)五通(tong)電(dian)磁閥(fa)具有1個(ge)(ge)(ge)(ge)進氣(qi)(qi)孔(kong)(kong)（接進氣(qi)(qi)氣(qi)(qi)源）、1個(ge)(ge)(ge)(ge)正(zheng)動(dong)作出(chu)氣(qi)(qi)孔(kong)(kong)和1個(ge)(ge)(ge)(ge)反(fan)動(dong)作出(chu)氣(qi)(qi)孔(kong)(kong)（分別提供(gong)給目(mu)標設(she)備(bei)的(de)(de)一(yi)(yi)正(zheng)一(yi)(yi)反(fan)動(dong)作的(de)(de)氣(qi)(qi)源）、1個(ge)(ge)(ge)(ge)正(zheng)動(dong)作排(pai)氣(qi)(qi)孔(kong)(kong)和1個(ge)(ge)(ge)(ge)反(fan)動(dong)作排(pai)氣(qi)(qi)孔(kong)(kong)（安(an)裝消(xiao)聲器）。 部分型號有： 力士樂電磁閥4WE10-2B11B-31B/CW220-50N9Z5L 力士樂電磁閥(fa)4WE10E20B/AG12NZ4 力士樂電(dian)磁(ci)閥4WE10E20B/AG12NZ5L 力士樂(le)電磁閥4WE10E20B/AG24NZ4 力士樂電磁閥4WE10E20B/AG24NZ4B10 力(li)士樂電磁閥4WE10E20B/AG24NZ5L 力士樂電(dian)磁閥(fa)4WE10E20B/AG24NZ5LB12 力士樂電磁閥4WE10E20B/AG110NZ4 力(li)士樂電磁閥4WE10E20B/AG110NZ5L 力(li)士樂(le)電(dian)磁閥4WE10E20B/AW110RNZ5L 力士樂(le)電磁閥4WE10E20B/AW220RNZ5L 力(li)士樂電磁閥4WE10E20B/AW220-50NZ5LB12 力士樂電磁閥4WE10E20B/AW220-50NZ4 力士樂電磁閥4WE10E20B/AW220-50NZ4B10 力(li)士樂(le)電磁閥(fa)4WE10E20B/AW220-50NZ4B12 力(li)士(shi)樂電磁閥4WE10E20B/AW220-50NZ5L 力士樂電磁閥(fa)4WE10E20B/AW220-50NZ5LB10 力(li)士樂電(dian)磁閥(fa)4WE10E20B/AW110-50NZ4 力士樂電磁(ci)閥4WE10E20B/AW110-50NZ5L 力士樂電磁閥4WE10E20B/AW110-50NZ5LB12 力士樂電磁閥4WE10E20B/AG24N 力士樂電磁閥(fa)4WE10E20B/AG24ND 力士樂電(dian)磁(ci)閥(fa)4WE10E20B/AW220-50NDL 力士樂電磁閥4WE10E20B/AG24NZ4B12 力士(shi)樂電磁閥4WE10E20B/AW220RNZ5LB12 力士樂(le)電磁閥4WE10E20B/AG24NZ4B08 力士樂電磁閥4WE10E20B/AW220-50NZ4B08 力士樂(le)電磁閥4WE10E20B/AG24NZ5LB10 力士樂電(dian)磁閥4WE10E20B/AW110RNZ5LB10 力(li)士樂(le)電磁閥4WE10E31B/CG24N9Z4 力士(shi)樂電磁閥4WE10E31B/CG24N9Z5L 力士樂電磁閥4WE10E31B/CG24N9Z5LB12 力士樂電磁閥4WE10E31B/CW220-50N9Z4 力(li)士(shi)樂電磁閥4WE10E31B/CW220-50N9Z5L 力士樂電磁閥4WE10E31B/CG110N9Z5L 力士(shi)樂(le)電磁(ci)閥(fa)4WE10E20B/AW220RNZ5LB08 力士樂電磁閥4WE10E31B/CW110-50N9Z5L 力士樂電(dian)磁閥4WE10E31B/CW110-50N9Z4 力(li)士樂(le)電(dian)磁(ci)閥4WE10E31B/CG24N9Z5LB10 力士樂電(dian)磁閥4WE10E31B/CW220RN9Z5L 力士(shi)樂電磁閥4WE10E31B/CG24N9Z5LB08 力士樂電磁(ci)閥(fa)4WE10E31B/CG110N9Z4 力士樂(le)電磁閥4WE10E20B/AG24NZ5LB08 力士樂電磁閥4WE10E31B/CG24N9DL 5-力(li)士樂電磁閥4WE10E31B/CG24N9K4 力士樂(le)電磁閥(fa)4WE10E20B/AG48NZ4 力士樂(le)電(dian)磁閥(fa)4WE10E20B/BW220-50NZ5L 力士樂電磁閥4WE10E31B/CG24N9Z5L/V 力(li)士(shi)樂(le)電磁閥4WE10E31B/CG24N9Z5LB08/V 力士樂電(dian)磁閥(fa)4WE10E3XB/CG24N9K4 力(li)士樂電磁閥4WE10E31B/CW220-50N9Z4B12 力(li)士(shi)樂電磁閥(fa)4WE10E20B/AG110NZ5L/V 力士樂電磁閥(fa)4WE10E31B/CG24N9DA 力士(shi)樂(le)電磁閥4WE10E20B/AG220NZ5L 力士樂(le)電磁閥4WE10E33B/CG24N9K4 力(li)士(shi)樂(le)電磁閥(fa)4WE10E20B/AG220NZ4 力士(shi)樂電磁閥(fa)4WE10E20B/AG24NZ5L/V 力士(shi)樂電磁閥4WE10E31B/CW220RN9Z5L/V 力(li)士樂電(dian)磁閥4WE10E31B/CW220-50N9Z5L/V 力(li)士(shi)樂(le)電磁閥4WE10E20B/AW220-50NZ5L/V 力士樂電(dian)磁閥(fa)4WE10E31B/CW110-50N9Z4/V 力(li)士(shi)樂電磁閥(fa)4WE10E31B/CG24N9Z4/V 力士(shi)樂(le)電磁閥(fa)4WE10E31B/CG110N9Z5L/V 力士(shi)樂(le)電磁(ci)閥4WE10E31B/CW220-50N9Z4B10 力士樂電磁(ci)閥4WE10E31B/CW220-50N9Z5LB10 5-力士(shi)樂電磁閥4WE10E31B/CG24N9Z5L 力士樂電磁閥4WE10E31B/CG24N9K4 力(li)士樂電磁閥4WE10E31B/CG12N9K4 力(li)士(shi)樂電(dian)磁閥4WE10E20B/AG24NZ4/V 力士樂電磁閥4WE10E20B/ 力士樂電磁閥(fa)4WE10E31B/CG110N9Z4/V 力(li)士樂電磁閥4WE10F20B/AG24NZ5L 力(li)士樂(le)電磁(ci)閥4WE10F20B/AG24NZ4 力(li)士樂電磁閥4WE10F20B/AW220-50NZ4 力(li)士樂電磁閥4WE10F20B/AW220-50NZ5L 力士(shi)樂(le)電磁閥4WE10F20B/AG12NZ4 力(li)士(shi)樂電磁閥4WE10F20B/AW220RNZ5L 力士樂電磁閥4WE10F20B/AW110-50NZ4 力士樂電磁閥4WE10F20B/AW110-50NZ5L 力士樂(le)電(dian)磁(ci)閥(fa)4WE10F31B/CG24N9Z4 力(li)士樂(le)電(dian)磁(ci)閥4WE10F31B/CW220-50N9Z4 力士樂電磁閥4WE10F31B/CG24N9Z5L 力(li)士(shi)樂電磁閥4WE10F31B/CW220RN9Z5L 力(li)士樂電(dian)磁閥4WE10F31B/CW220-50N9Z5L 力士樂電(dian)磁閥4WE10F31B/CG24N9Z4/V 力(li)士樂電磁閥4WE10F31B/CG12N9Z5L 力士(shi)樂電(dian)磁(ci)閥4WE10G20B/AG12NZ4 力士(shi)樂電磁閥4WE10G20B/AG24NZ4 力士樂電磁(ci)閥(fa)4WE10G20B/AG24NZ5L 力士樂(le)電(dian)磁閥4WE10G20B/AW110RNZ5L 力(li)士樂電磁閥4WE10G20B/AW220RNZ5L 力士樂電磁閥4WE10G20B/AW220-50NZ4 力(li)士樂(le)電(dian)磁(ci)閥(fa)4WE10G20B/AW220-50NZ4B08 力士樂電磁閥(fa)4WE10G20B/AW220-50NZ4B10 力士樂電磁閥(fa)4WE10G20B/AW220-50NZ5L 力士樂(le)電磁(ci)閥4WE10G20B/AW220-50NZ5LB10 力士(shi)樂電(dian)磁閥4WE10G20B/AW110-50NZ4 力士樂電磁閥4WE10G20B/AW110-50NZ5L 力士樂電磁閥4WE10G20B/AW110-50NZ5LB12 力士(shi)樂電磁閥4WE10G20B/AG24NZ4B08 力(li)士樂電磁(ci)閥4WE10G20B/AG24NZ5LB12 力(li)士樂電磁(ci)閥4WE10G20B/AG12NZ5L 力士樂電磁閥4WE10G31B/CG12N9Z5L 力(li)士樂電(dian)磁閥4WE10G31B/CG24N9Z4 力士樂電(dian)磁(ci)閥(fa)4WE10G31B/CW220-50N9Z4 德(de)國力(li)士(shi)樂電(dian)磁(ci)(ci)閥低(di)價銷售：力(li)士(shi)樂電(dian)磁(ci)(ci)閥4WE10G31B/CG24N9Z5L 力士樂(le)電(dian)磁閥4WE10G31B/CW220-50N9Z5L 力士(shi)樂電(dian)磁閥4WE10G20B/AG110NZ5L 力士(shi)樂電磁閥(fa)4WE10G20B/AG24NZ4B10 力士樂電磁(ci)閥4WE10G20B/AW110RNZ5LB10 力(li)士(shi)樂電(dian)磁閥4WE10G31B/CG12N9Z4 力士樂電磁(ci)閥4WE10G31B/CW110-50N9Z4 力士樂(le)電磁閥4WE10G31B/CW220RN9Z5L 力士樂電磁閥(fa)4WE10G20B/AW220RNZ5LB12 力士樂電磁閥4WE10G20B/AW380-50NZ4 力(li)士樂電(dian)磁閥4WE10G31B/CG24N9Z5LB10 力士樂電(dian)磁閥4WE10G20B/AW220RNZ5LB10 力士樂(le)電磁閥4WE10G31B/CG24N9DKL 力士樂電磁閥4WE10G31B/CW220-50N9Z5LB10 力士樂電磁閥4WE10G31B/CG24N9K4 力(li)士樂電磁閥4WE10G31B/CW220RN9Z5L/V 力士樂電磁閥(fa)4WE10G31B/CG24N9Z5L/V 力士樂電(dian)磁閥4WE10H20B/AG24NZ4 力士樂電磁閥4WE10H20B/AG24NZ4B10 力士樂(le)電磁閥4WE10H20B/AG24NZ4B12 力士樂電(dian)磁(ci)閥4WE10H20B/AG24NZ5L 力士樂電(dian)磁閥4WE10H20B/AG24NZ5LB12 力(li)士樂電磁(ci)閥4WE10H20B/AG110NZ4 力士樂電磁閥4WE10H20B/AW110RNZ5L 力士樂電(dian)磁閥4WE10H20B/AG24N 力士樂電磁閥4WE10H20B/AG24ND 力士樂電磁閥4WE10H20B/AW220-50NZ4 力士樂電磁閥4WE10H20B/AW220-50NZ4B08 力士樂電磁閥(fa)4WE10H20B/AW220-50NZ5L 力士(shi)樂電磁閥4WE10H20B/AW220-50NZ5LB10 力士樂電磁閥4WE10H20B/AW110-50NZ4 力士樂電磁閥4WE10H20B/AW110-50NZ5L 力士(shi)樂電磁(ci)閥4WE10H20B/AW110-50NZ5LB12 力士樂電磁閥4WE10H20B/AG24NZ4B08 力士樂電磁閥4WE10H20B/AW220RNZ5L 力士樂(le)電(dian)磁閥4WE10H20B/AW220RNZ5LB12 力士樂電磁閥4WE10H20B/AG110NZ5L 力士(shi)樂電磁閥(fa)4WE10H31B/CG24N9Z5L 力士樂電磁閥4WE10H31B/CW220-50N9Z4 力士樂電(dian)磁閥4WE10H31B/CW220-50N9Z5L 力士(shi)樂電磁閥(fa)4WE10H31B/CG24N9Z4 力(li)士樂電(dian)磁閥4WE10H20B/AW220-50NZ4B10 力士樂(le)電磁閥4WE10H31B/CG12N9Z5L 力士(shi)樂電(dian)磁閥4WE10H31B/CW110-50N9Z4 力士樂電磁(ci)閥4WE10H20B/AW220RNZ5LB10 力士樂電(dian)磁閥4WE10H31B/CG12N9Z4 力(li)士樂電(dian)磁閥4WE10H31B/CG24N9Z5LB10 力(li)士樂電磁(ci)閥4WE10H31B/CW220-50N9DL 力(li)士樂電磁閥4WE10H31B/CG110N9Z5L 力士樂(le)電磁閥4WE10H31B/CW220RN9Z5L 力士樂電磁閥4WE10H20B/AW220-50NZ5L/V 力(li)士樂電(dian)磁閥(fa)4WE10H31B/CW110-50N9Z5L 力士樂電磁閥(fa)4WE10H31B/CG24N9Z5LB08/V 5-力士樂電磁閥4WE10H31B/CG24N9Z4 力士樂電磁閥4WE10H20B/AG12NZ5L 力士(shi)樂電(dian)磁(ci)閥4WE10H31B/CG24N9K4 HD-力士樂電(dian)磁閥(fa)4WE10H73-33/CG24N9K4/A12 力士樂(le)電磁閥(fa)4WE10H31B/CW220RNZ5L 力士樂電磁閥4WE10J20B/AG12NZ4 力士樂電磁閥(fa)4WE10J20B/AG24NZ4 力士樂電磁閥4WE10J20B/AG24NZ4B12 力士樂電磁(ci)閥(fa)4WE10J20B/AG24NZ5L 力士(shi)樂(le)電磁閥4WE10J20B/AG24NZ5LB10 力士樂電(dian)磁閥4WE10J20B/AG24NZ5LB12 力士樂電磁閥4WE10J20B/AG110NZ4 力士樂電磁(ci)閥4WE10J20B/AG110NZ5L 力(li)士樂電磁閥4WE10J20B/AW110RNZ5L 力士(shi)樂電磁閥4WE10J20B/AW220RNZ5L 力士樂電磁閥(fa)4WE10J20B/AW220-50NZ4 力(li)士樂電磁閥4WE10J20B/AW220-50NZ4B08 力士樂電磁閥4WE10J20B/AW220-50NZ4B10 力士樂電磁(ci)閥(fa)4WE10J20B/AW220-50NZ4B12 力士樂電(dian)磁(ci)閥4WE10J20B/AW220-50NZ5L 力士樂電磁閥(fa)4WE10J20B/AW220-50NZ5LB10 力士樂電磁閥(fa)4WE10J20B/AW110-50NZ4 力(li)士樂電磁閥4WE10J20B/AW110-50NZ5L 力士樂(le)電磁閥(fa)4WE10J20B/AG24NZ5LB08 力士樂電磁閥4WE10J20B/AG12NZ5L 力士樂電磁閥4WE10J20B/AG24NDLB08 力士樂(le)電磁閥4WE10J20B/AG24NZ4B15 力士樂電磁閥4WE10J20B/AG24NZ4B08 力(li)士樂電(dian)磁(ci)閥4WE10J20B/AW110RNZ5LB10 力士樂電磁(ci)閥4WE10J31B/CG24N9Z4 力士樂電(dian)磁閥(fa)4WE10J31B/CG24N9Z5L 力士樂電(dian)磁閥4WE10J31B/CW220-50N9Z4 力士樂電磁(ci)閥4WE10J31B/CW220-50N9Z5L 力士樂電磁閥4WE10J31B/CG110N9Z4 力士樂(le)電磁閥4WE10J20B/AW220RNZ5LB08 力士樂電磁閥4WE10J31B/CG110N9Z5L 力(li)士(shi)樂電磁閥4WE10J31B/CW110-50N9Z5L 力士樂電磁閥4WE10J31B/CG24N9Z5LB10 力(li)士(shi)樂(le)電磁(ci)閥4WE10J20B/AG24NZ4B10 力(li)士樂電磁閥4WE10J31B/CG24N9Z5LB08 力(li)士樂電磁閥4WE10J31B/CW110-50N9Z4 對于(yu)小(xiao)型(xing)自動(dong)(dong)(dong)(dong)(dong)(dong)(dong)控(kong)制設備，氣(qi)(qi)(qi)管一般(ban)(ban)選用8~12mm的(de)(de)(de)工業膠(jiao)氣(qi)(qi)(qi)管。在電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)(qi)(qi)上來說，兩(liang)(liang)位(wei)(wei)(wei)三通(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)(fa)一般(ban)(ban)為單電(dian)(dian)(dian)(dian)(dian)(dian)控(kong)（即(ji)單線(xian)(xian)圈(quan)(quan)），兩(liang)(liang)位(wei)(wei)(wei)五通(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)(fa)一般(ban)(ban)為雙(shuang)電(dian)(dian)(dian)(dian)(dian)(dian)控(kong)（即(ji)雙(shuang)線(xian)(xian)圈(quan)(quan)）。線(xian)(xian)圈(quan)(quan)電(dian)(dian)(dian)(dian)(dian)(dian)壓等(deng)級一般(ban)(ban)采用DC24V、AC220V等(deng)。 兩(liang)(liang)位(wei)(wei)(wei)三通(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)(fa)分為常(chang)(chang)閉(bi)(bi)型(xing)和常(chang)(chang)開型(xing)兩(liang)(liang)種，常(chang)(chang)閉(bi)(bi)型(xing)指線(xian)(xian)圈(quan)(quan)沒通(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)氣(qi)(qi)(qi)路(lu)(lu)是斷(duan)(duan)(duan)的(de)(de)(de)，常(chang)(chang)開型(xing)指線(xian)(xian)圈(quan)(quan)沒通(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)氣(qi)(qi)(qi)路(lu)(lu)是通(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)。 常(chang)(chang)閉(bi)(bi)型(xing)兩(liang)(liang)位(wei)(wei)(wei)三通(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)原理(li)：給(gei)(gei)線(xian)(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)路(lu)(lu)接(jie)(jie)通(tong)(tong)(tong)(tong)(tong)(tong)，線(xian)(xian)圈(quan)(quan)一旦(dan)斷(duan)(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)路(lu)(lu)就會(hui)斷(duan)(duan)(duan)開，這(zhe)相(xiang)當(dang)于(yu)“點(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)”。 常(chang)(chang)開型(xing)兩(liang)(liang)位(wei)(wei)(wei)三通(tong)(tong)(tong)(tong)(tong)(tong)單電(dian)(dian)(dian)(dian)(dian)(dian)控(kong)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)原理(li)：給(gei)(gei)線(xian)(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)路(lu)(lu)斷(duan)(duan)(duan)開，線(xian)(xian)圈(quan)(quan)一旦(dan)斷(duan)(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)路(lu)(lu)就會(hui)接(jie)(jie)通(tong)(tong)(tong)(tong)(tong)(tong)，這(zhe)也是“點(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)”。 兩(liang)(liang)位(wei)(wei)(wei)五通(tong)(tong)(tong)(tong)(tong)(tong)雙(shuang)電(dian)(dian)(dian)(dian)(dian)(dian)控(kong)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)原理(li)：給(gei)(gei)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)線(xian)(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)，則正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)氣(qi)(qi)(qi)路(lu)(lu)接(jie)(jie)通(tong)(tong)(tong)(tong)(tong)(tong)（正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)出氣(qi)(qi)(qi)孔有氣(qi)(qi)(qi)），即(ji)使給(gei)(gei)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)線(xian)(xian)圈(quan)(quan)斷(duan)(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)后正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)氣(qi)(qi)(qi)路(lu)(lu)仍(reng)然是接(jie)(jie)通(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)，將(jiang)會(hui)一直(zhi)維持(chi)(chi)到給(gei)(gei)反動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)線(xian)(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)為止。 給(gei)(gei)反動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)線(xian)(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)，則反動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)氣(qi)(qi)(qi)路(lu)(lu)接(jie)(jie)通(tong)(tong)(tong)(tong)(tong)(tong)（反動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)出氣(qi)(qi)(qi)孔有氣(qi)(qi)(qi)），即(ji)使給(gei)(gei)反動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)線(xian)(xian)圈(quan)(quan)斷(duan)(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)后反動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)氣(qi)(qi)(qi)路(lu)(lu)仍(reng)然是接(jie)(jie)通(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)，將(jiang)會(hui)一直(zhi)維持(chi)(chi)到給(gei)(gei)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)線(xian)(xian)圈(quan)(quan)通(tong)(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)為止。這(zhe)相(xiang)當(dang)于(yu)“自鎖”。 基于(yu)兩(liang)(liang)位(wei)(wei)(wei)五通(tong)(tong)(tong)(tong)(tong)(tong)雙(shuang)電(dian)(dian)(dian)(dian)(dian)(dian)控(kong)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)(fa)的(de)(de)(de)這(zhe)種特性，在設計機電(dian)(dian)(dian)(dian)(dian)(dian)控(kong)制回路(lu)(lu)或編制PLC程序的(de)(de)(de)時(shi)(shi)候，可以讓電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)(fa)線(xian)(xian)圈(quan)(quan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)1~2秒就可以了(le)，這(zhe)樣可以保護(hu)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)(fa)線(xian)(xian)圈(quan)(quan)不(bu)容易損壞(huai)。 REXROTH電(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)，德國(guo)力士樂(le)電(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)，Rexroth電(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)電(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)在(zai)(zai)液路系(xi)統中用來(lai)實(shi)現液路的(de)(de)(de)(de)通斷或液流方向(xiang)的(de)(de)(de)(de)改(gai)變，它一般(ban)具有一個可以在(zai)(zai)線(xian)圈電(dian)(dian)(dian)磁(ci)(ci)(ci)力驅動下滑(hua)動的(de)(de)(de)(de)閥(fa)(fa)(fa)芯(xin)，閥(fa)(fa)(fa)芯(xin)在(zai)(zai)不(bu)(bu)同的(de)(de)(de)(de)位(wei)置(zhi)時(shi)，電(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)的(de)(de)(de)(de)通路也就(jiu)不(bu)(bu)同。閥(fa)(fa)(fa)芯(xin)的(de)(de)(de)(de)工(gong)作(zuo)(zuo)位(wei)置(zhi)有幾個，該(gai)電(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)就(jiu)叫(jiao)幾位(wei)電(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)：閥(fa)(fa)(fa)體上的(de)(de)(de)(de)接(jie)口(kou)，也就(jiu)是(shi)電(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)的(de)(de)(de)(de)通路數，有幾個通路口(kou)，該(gai)電(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)就(jiu)叫(jiao)幾通電(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)。 電(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)(fa)(fa)安裝(zhuang)后，一般(ban)所有接(jie)口(kou)都應該(gai)是(shi)連接(jie)好了的(de)(de)(de)(de)，所謂工(gong)作(zuo)(zuo)位(wei)置(zhi)指(zhi)的(de)(de)(de)(de)是(shi)閥(fa)(fa)(fa)芯(xin)的(de)(de)(de)(de)位(wei)置(zhi)。閥(fa)(fa)(fa)芯(xin)在(zai)(zai)線(xian)圈不(bu)(bu)通電(dian)(dian)(dian)時(shi)處在(zai)(zai)甲位(wei)置(zhi)，在(zai)(zai)線(xian)圈通電(dian)(dian)(dian)時(shi)處在(zai)(zai)乙位(wei)置(zhi)，閥(fa)(fa)(fa)芯(xin)在(zai)(zai)不(bu)(bu)同位(wei)置(zhi)時(shi)，對各接(jie)口(kou)起到(dao)或接(jie)通或封閉的(de)(de)(de)(de)作(zuo)(zuo)用。 電(dian)磁(ci)閥(fa)(fa)二(er)(er)(er)(er)位是指電(dian)磁(ci)閥(fa)(fa)的閥(fa)(fa)芯有兩(liang)個(ge)不同的工作(zuo)位置（開、關）。 電(dian)磁(ci)閥(fa)(fa)二(er)(er)(er)(er)通(tong)(tong)、三(san)通(tong)(tong)指電(dian)磁(ci)閥(fa)(fa)的閥(fa)(fa)體上有兩(liang)個(ge)、三(san)個(ge)通(tong)(tong)道口； 比如二(er)(er)(er)(er)位二(er)(er)(er)(er)通(tong)(tong)電(dian)磁(ci)閥(fa)(fa)是一(yi)(yi)(yi)(yi)進(jin)一(yi)(yi)(yi)(yi)出(chu)（二(er)(er)(er)(er)個(ge)通(tong)(tong)道、zui普通(tong)(tong)常見） 二(er)(er)(er)(er)位三(san)通(tong)(tong)電(dian)磁(ci)閥(fa)(fa)控制液體是一(yi)(yi)(yi)(yi)進(jin)二(er)(er)(er)(er)出(chu)（兩(liang)出(chu)分別是一(yi)(yi)(yi)(yi)個(ge)常開一(yi)(yi)(yi)(yi)個(ge)常閉(bi)）；氣動換向電(dian)磁(ci)閥(fa)(fa)是一(yi)(yi)(yi)(yi)進(jin)一(yi)(yi)(yi)(yi)出(chu)一(yi)(yi)(yi)(yi)排氣；液壓一(yi)(yi)(yi)(yi)進(jin)一(yi)(yi)(yi)(yi)出(chu)一(yi)(yi)(yi)(yi)回油(you)。 國內外的(de)(de)電(dian)磁閥(fa)從(cong)(cong)原(yuan)理上分(fen)(fen)(fen)為三大類（即：直(zhi)動式、分(fen)(fen)(fen)步直(zhi)動式、先(xian)導(dao)(dao)式），而從(cong)(cong)閥(fa)瓣結(jie)構(gou)和材料上的(de)(de)不同與(yu)原(yuan)理上的(de)(de)區別又分(fen)(fen)(fen)為六(liu)個分(fen)(fen)(fen)支小類（直(zhi)動膜(mo)片結(jie)構(gou)、分(fen)(fen)(fen)步重片結(jie)構(gou)、先(xian)導(dao)(dao)膜(mo)式結(jie)構(gou)、直(zhi)動活(huo)塞結(jie)構(gou)、分(fen)(fen)(fen)步直(zhi)動活(huo)塞結(jie)構(gou)、先(xian)導(dao)(dao)活(huo)塞結(jie)構(gou)）。 直動式電磁閥： 原理：通電時，電磁(ci)(ci)線(xian)圈產生電磁(ci)(ci)力把關(guan)閉(bi)(bi)件(jian)從閥(fa)座(zuo)(zuo)上提起(qi)，閥(fa)門打開；斷電時，電磁(ci)(ci)力消失(shi)，彈簧把關(guan)閉(bi)(bi)件(jian)壓在(zai)閥(fa)座(zuo)(zuo)上，閥(fa)門關(guan)閉(bi)(bi)。 特點：在真空、負(fu)壓、零壓時能(neng)正常工作，但通徑一般不超過25mm。 分布直動式電磁閥： 原理(li)：它是(shi)一種(zhong)直(zhi)動和(he)先導(dao)(dao)式相結合的原理(li)，當入(ru)口(kou)與(yu)出(chu)口(kou)沒(mei)有壓(ya)差(cha)時，通(tong)電(dian)后(hou)，電(dian)磁力(li)直(zhi)接把(ba)先導(dao)(dao)小閥和(he)主閥關(guan)閉件依次向上提起(qi)，閥門打(da)開(kai)。當入(ru)口(kou)與(yu)出(chu)口(kou)達(da)到啟動壓(ya)差(cha)時，通(tong)電(dian)后(hou)，電(dian)磁力(li)先導(dao)(dao)小閥，主閥下(xia)(xia)腔壓(ya)力(li)上升，上腔壓(ya)力(li)下(xia)(xia)降，從而利(li)(li)用壓(ya)差(cha)把(ba)主閥向上推(tui)開(kai)；斷電(dian)時，先導(dao)(dao)閥利(li)(li)用彈簧(huang)力(li)或介質壓(ya)力(li)推(tui)動關(guan)閉件，向下(xia)(xia)移動，使閥門關(guan)閉。 特點：在零壓差或真空、高壓時亦能可*動作，但功率較(jiao)大，要求必須水平安裝(zhuang)。 先導式電磁閥： 原(yuan)理：通電(dian)時，電(dian)磁力(li)(li)把先導孔(kong)打開(kai)(kai)，上腔(qiang)(qiang)室壓(ya)力(li)(li)迅速(su)下(xia)降，在關(guan)閉(bi)件(jian)周(zhou)圍形成(cheng)上低下(xia)高(gao)的壓(ya)差，流體壓(ya)力(li)(li)推動關(guan)閉(bi)件(jian)向(xiang)(xiang)上移動，閥門(men)打開(kai)(kai)；斷電(dian)時，彈簧力(li)(li)把先導孔(kong)關(guan)閉(bi)，入口壓(ya)力(li)(li)通過旁通孔(kong)迅速(su)腔(qiang)(qiang)室在關(guan)閥件(jian)周(zhou)圍形成(cheng)下(xia)低上高(gao)的壓(ya)差，流體壓(ya)力(li)(li)推動關(guan)閉(bi)件(jian)向(xiang)(xiang)下(xia)移動，關(guan)閉(bi)閥門(men)。
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