SMC兩位五通雙電控電磁閥動作原理： 給正(zheng)(zheng)(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)線(xian)(xian)圈(quan)(quan)通電(dian)(dian)(dian)，則(ze)正(zheng)(zheng)(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)氣路(lu)(lu)接(jie)通（正(zheng)(zheng)(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)出(chu)(chu)氣孔有氣），即(ji)使給正(zheng)(zheng)(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)線(xian)(xian)圈(quan)(quan)斷電(dian)(dian)(dian)后正(zheng)(zheng)(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)氣路(lu)(lu)仍(reng)然是(shi)接(jie)通的，將會(hui)一(yi)直(zhi)維持到給反(fan)(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)線(xian)(xian)圈(quan)(quan)通電(dian)(dian)(dian)為(wei)止(zhi)。 給反(fan)(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)線(xian)(xian)圈(quan)(quan)通電(dian)(dian)(dian)，則(ze)反(fan)(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)氣路(lu)(lu)接(jie)通（反(fan)(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)出(chu)(chu)氣孔有氣），即(ji)使給反(fan)(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)線(xian)(xian)圈(quan)(quan)斷電(dian)(dian)(dian)后反(fan)(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)氣路(lu)(lu)仍(reng)然是(shi)接(jie)通的，將會(hui)一(yi)直(zhi)維持到給正(zheng)(zheng)(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)線(xian)(xian)圈(quan)(quan)通電(dian)(dian)(dian)為(wei)止(zhi)。這(zhe)相當于“自鎖(suo)”。 基于兩位五(wu)通雙電(dian)(dian)(dian)控電(dian)(dian)(dian)磁(ci)閥(fa)的這(zhe)種(zhong)特性，在(zai)設計機電(dian)(dian)(dian)控制回路(lu)(lu)或編(bian)制PLC程序的時候，可(ke)以(yi)讓電(dian)(dian)(dian)磁(ci)閥(fa)線(xian)(xian)圈(quan)(quan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)1~2秒(miao)就可(ke)以(yi)了(le)，這(zhe)樣(yang)可(ke)以(yi)保護電(dian)(dian)(dian)磁(ci)閥(fa)線(xian)(xian)圈(quan)(quan)不容易(yi)損壞。 日本SMC電(dian)(dian)磁閥在氣(qi)(qi)(qi)路(lu)（或(huo)液路(lu)）上來說(shuo)，兩位(wei)三通SMC電(dian)(dian)磁閥具有(you)1個(ge)進(jin)氣(qi)(qi)(qi)孔(kong)(kong)(kong)（接進(jin)氣(qi)(qi)(qi)氣(qi)(qi)(qi)源(yuan)）、1個(ge)出氣(qi)(qi)(qi)孔(kong)(kong)(kong)（提供(gong)給(gei)目標(biao)設(she)備氣(qi)(qi)(qi)源(yuan)）、1個(ge)排氣(qi)(qi)(qi)孔(kong)(kong)(kong)（一般安(an)(an)裝(zhuang)一個(ge)消(xiao)聲(sheng)器，如果(guo)不(bu)怕(pa)噪音的(de)話也可以不(bu)裝(zhuang)。 兩位(wei)五(wu)通電(dian)(dian)磁閥具有(you)1個(ge)進(jin)氣(qi)(qi)(qi)孔(kong)(kong)(kong)（接進(jin)氣(qi)(qi)(qi)氣(qi)(qi)(qi)源(yuan)）、1個(ge)正(zheng)(zheng)動作(zuo)(zuo)出氣(qi)(qi)(qi)孔(kong)(kong)(kong)和1個(ge)反動作(zuo)(zuo)出氣(qi)(qi)(qi)孔(kong)(kong)(kong)（分別提供(gong)給(gei)目標(biao)設(she)備的(de)一正(zheng)(zheng)一反動作(zuo)(zuo)的(de)氣(qi)(qi)(qi)源(yuan)）、1個(ge)正(zheng)(zheng)動作(zuo)(zuo)排氣(qi)(qi)(qi)孔(kong)(kong)(kong)和1個(ge)反動作(zuo)(zuo)排氣(qi)(qi)(qi)孔(kong)(kong)(kong)（安(an)(an)裝(zhuang)消(xiao)聲(sheng)器）。 在電(dian)(dian)氣(qi)(qi)(qi)上來(lai)說，兩(liang)位三通(tong)(tong)電(dian)(dian)磁(ci)閥一(yi)(yi)般(ban)為單(dan)電(dian)(dian)控(kong)（即單(dan)線(xian)圈(quan)(quan)(quan)），兩(liang)位五(wu)通(tong)(tong)電(dian)(dian)磁(ci)閥一(yi)(yi)般(ban)為雙電(dian)(dian)控(kong)（即雙線(xian)圈(quan)(quan)(quan)）。線(xian)圈(quan)(quan)(quan)電(dian)(dian)壓等級一(yi)(yi)般(ban)采用DC24V、AC220V等。 兩(liang)位三通(tong)(tong)電(dian)(dian)磁(ci)閥分為常(chang)(chang)閉(bi)(bi)型(xing)和(he)常(chang)(chang)開(kai)型(xing)兩(liang)種(zhong)，常(chang)(chang)閉(bi)(bi)型(xing)指線(xian)圈(quan)(quan)(quan)沒(mei)通(tong)(tong)電(dian)(dian)時氣(qi)(qi)(qi)路(lu)是斷(duan)(duan)的(de)，常(chang)(chang)開(kai)型(xing)指線(xian)圈(quan)(quan)(quan)沒(mei)通(tong)(tong)電(dian)(dian)時氣(qi)(qi)(qi)路(lu)是通(tong)(tong)的(de)。 常(chang)(chang)閉(bi)(bi)型(xing)兩(liang)位三通(tong)(tong)電(dian)(dian)磁(ci)閥動(dong)作原理(li)：給(gei)線(xian)圈(quan)(quan)(quan)通(tong)(tong)電(dian)(dian)，氣(qi)(qi)(qi)路(lu)接通(tong)(tong)，線(xian)圈(quan)(quan)(quan)一(yi)(yi)旦斷(duan)(duan)電(dian)(dian)，氣(qi)(qi)(qi)路(lu)就會斷(duan)(duan)開(kai)，這(zhe)相當于(yu)“點動(dong)”。 常(chang)(chang)開(kai)型(xing)兩(liang)位三通(tong)(tong)單(dan)電(dian)(dian)控(kong)電(dian)(dian)磁(ci)閥動(dong)作原理(li)：給(gei)線(xian)圈(quan)(quan)(quan)通(tong)(tong)電(dian)(dian)，氣(qi)(qi)(qi)路(lu)斷(duan)(duan)開(kai)，線(xian)圈(quan)(quan)(quan)一(yi)(yi)旦斷(duan)(duan)電(dian)(dian)，氣(qi)(qi)(qi)路(lu)就會接通(tong)(tong)，這(zhe)也是“點動(dong)”。 日本SMC電磁閥主要特點 1、外漏堵絕(jue)，內(nei)漏易控(kong)，使用(yong)安全 內外(wai)泄漏(lou)是危(wei)及安全的(de)要(yao)素(su)。其它自控(kong)(kong)閥(fa)(fa)通常將閥(fa)(fa)桿伸(shen)出(chu)，由電動(dong)、氣動(dong)、液動(dong)執行機構控(kong)(kong)制閥(fa)(fa)芯的(de)轉動(dong)或(huo)移(yi)動(dong)。這都要(yao)解決長期動(dong)作閥(fa)(fa)桿動(dong)密封的(de)外(wai)泄漏(lou)難(nan)題(ti)；唯有電磁(ci)閥(fa)(fa)是用(yong)電磁(ci)力作用(yong)于密封在電動(dong)調節閥(fa)(fa)隔磁(ci)套(tao)管內的(de)鐵芯完(wan)成，不(bu)存在動(dong)密封，所(suo)(suo)以外(wai)漏(lou)易堵(du)絕。電動(dong)閥(fa)(fa)力矩控(kong)(kong)制不(bu)易，容易產生內漏(lou)，甚(shen)至拉斷閥(fa)(fa)桿頭部；電磁(ci)閥(fa)(fa)的(de)結構型式容易控(kong)(kong)制內泄漏(lou)，直(zhi)至降為零。所(suo)(suo)以，電磁(ci)閥(fa)(fa)使用(yong)特別(bie)安全，尤其適用(yong)于腐蝕性、有毒或(huo)高低溫的(de)介質。 2、系(xi)統(tong)簡單(dan)，便接(jie)電腦(nao)，價格低廉 電(dian)磁(ci)閥本身結(jie)構(gou)簡(jian)單(dan)，價(jia)(jia)格也低，比(bi)起調節閥等其它種類執行器易于安裝維(wei)護。更顯著的是所組成的自(zi)控系統(tong)簡(jian)單(dan)得多，價(jia)(jia)格要低得多。由(you)于電(dian)磁(ci)閥是開關信號(hao)控制，與(yu)工控計算機連接十分方(fang)便。在(zai)當今電(dian)腦普(pu)及，價(jia)(jia)格大幅下降的時代，電(dian)磁(ci)閥的優勢就(jiu)更加明(ming)顯。 3、動作快遞，功率(lv)微小(xiao)，外形(xing)輕巧 電(dian)(dian)(dian)(dian)磁閥響應時間可以(yi)短至(zhi)幾個毫(hao)秒，即使是先導式電(dian)(dian)(dian)(dian)磁閥也可以(yi)控制(zhi)在幾十毫(hao)秒內。由于自成回路，比之(zhi)其它自控閥反(fan)應更靈敏。設計得當(dang)的電(dian)(dian)(dian)(dian)磁閥線圈(quan)功率消耗很低(di)，屬節能產品；還可做到只需(xu)觸發動作，自動保(bao)持(chi)閥位，平時一點也不耗電(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)磁閥外形尺寸小，既節省空間，又輕巧美(mei)觀。 4、調(diao)節(jie)精度受限(xian)(xian)，適用介(jie)質受限(xian)(xian) 電(dian)磁閥通常只(zhi)有開關兩種狀態，閥芯只(zhi)能處于兩個極限(xian)位(wei)置(zhi)，不(bu)能連(lian)續調節(jie)，所以調節(jie)精度還受到一(yi)定限(xian)制(zhi)。 電磁閥(fa)對介(jie)質潔凈度有較高要(yao)求，含顆粒狀的(de)介(jie)質不能適(shi)用(yong)，如屬雜(za)質須先(xian)濾去。另外，粘(zhan)稠狀介(jie)質不能適(shi)用(yong)，而且(qie)，特定的(de)產品適(shi)用(yong)的(de)介(jie)質粘(zhan)度范圍(wei)相(xiang)對較窄。 5、型號多樣，用途廣(guang)泛(fan) 電(dian)磁閥雖有先天不(bu)足(zu)，優點(dian)仍十分(fen)突(tu)出，所以就(jiu)設計成多(duo)種(zhong)多(duo)樣的產(chan)品，滿(man)足(zu)各種(zhong)不(bu)同的需求，用途(tu)極為廣泛。電(dian)磁閥技術的進(jin)步(bu)也都(dou)是圍(wei)繞著如(ru)何克服(fu)先天不(bu)足(zu)，如(ru)何更(geng)好地發揮固有優勢(shi)而展(zhan)開。
日本SMC電磁閥常見產品型號如下：
SY5120-BLZD-01
SY5120-BY-01F
SY5120-BYO-01F
SY5120-D2M-01
SY5120-1D-01
SY5120-1DZ-C6
SY5120-1DZ-C8
SY5120-1DZ-01
SY5120-1G-01
SY5120-1GD-C6
SY5120-1GD-01
SY5120-1GZ-01
SY5120-1H-C8
SY5120-1HZ-C6
SY5120-1LZ-C6
SY5120-1LZ-C8
SY5120-1LZ-01
SY5120-1M-C6
SY5120-1MOZ-C6
SY5120-2DO-01F
SY5120-2G-01
SY5120-2L-C6
SY5120-2LZD-01
SY5120-2M-01
SY5120-3DD-C6
SY5120-3DD-01
SY5120-3DZD-C4
SY5120-3DZD-C6
SY5120-3DZD-C8
SY5120-3DZD-01
SY5120-3DZD-01Q
SY5120-3GD-C6
SY5120-3GD-C8
SY5120-3GD-01
SY5120-3LD-C8
SY5120-3LD-01
SY5120-3LZ-01
SY5120-3LZD-C4
SY5120-3LZD-C6
SY5120-3LZD-01
SY5120-3LZD-01F
SY5120-3LZD-01Q
SY5120-3LZD01FQ
SY5120-3LZE-01
SY5120-3MZ-01
SY5120-3MZD-C6
SY5120-4D-01
SY5120-4DD-C6
SY5120-4DD-C8
SY5120-4DD-01
SY5120-4DD-02
SY5120-4DE-C6
SY5120-4DZ-C6
SY5120-4DZ-C6-Q
SY5120-4DZ-C8
SY5120-4DZ-C8-Q
SY5120-4DZ-01
SY5120-4DZ-01-Q
SY5120-4DZD-C4
SY5120-4DZD-C6
SY5120-4DZD-C8
SY5120-4DZD-01
SY5120-4DZE-01
SY5120-4GD-C6
SY5120-4GD-C8
SY5120-4GD-01
SY5120-4GE-01
SY5120-4GZD-01
SY5120-4HZE-C8
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