意大利ATOS比例閥DHZO-TE-073-L5 ATOS比(bi)例換向閥(fa)(fa)(fa)屬于比(bi)例閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)種(zhong),用來控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)量(liang)和流(liu)(liu)(liu)(liu)向。ATOS比(bi)例閥(fa)(fa)(fa)對流(liu)(liu)(liu)(liu)量(liang)的(de)(de)(de)(de)(de)(de)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)可(ke)以(yi)分為兩(liang)種(zhong):一(yi)(yi)(yi)種(zhong)是(shi)開關(guan)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi):要(yao)么(me)全開、要(yao)么(me)全關(guan),流(liu)(liu)(liu)(liu)量(liang)要(yao)么(me)zui大(da)、要(yao)么(me)zui小(xiao),沒有中間狀態(tai),如(ru)普通的(de)(de)(de)(de)(de)(de)電(dian)磁直通閥(fa)(fa)(fa)、電(dian)磁換向閥(fa)(fa)(fa)、電(dian)液(ye)換向閥(fa)(fa)(fa)。另一(yi)(yi)(yi)種(zhong)是(shi)連續(xu)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi):閥(fa)(fa)(fa)口(kou)可(ke)以(yi)根據(ju)需(xu)要(yao)打開任意一(yi)(yi)(yi)個開度,由此(ci)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)通過流(liu)(liu)(liu)(liu)量(liang)的(de)(de)(de)(de)(de)(de)大(da)小(xiao),這類閥(fa)(fa)(fa)有手動控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de),如(ru)節流(liu)(liu)(liu)(liu)閥(fa)(fa)(fa),也有電(dian)控(kong)(kong)(kong)(kong)(kong)的(de)(de)(de)(de)(de)(de),如(ru)比(bi)例閥(fa)(fa)(fa)、伺服(fu)閥(fa)(fa)(fa)。所以(yi)使用比(bi)例閥(fa)(fa)(fa)或伺服(fu)閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)(de)(de)就(jiu)是(shi):以(yi)電(dian)控(kong)(kong)(kong)(kong)(kong)方式實(shi)現對流(liu)(liu)(liu)(liu)量(liang)的(de)(de)(de)(de)(de)(de)節流(liu)(liu)(liu)(liu)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)(當然(ran)經過結(jie)構上的(de)(de)(de)(de)(de)(de)改動也可(ke)實(shi)現壓力(li)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)等),既然(ran)是(shi)節流(liu)(liu)(liu)(liu)控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi),就(jiu)必(bi)然(ran)有能量(liang)損失(shi),伺服(fu)閥(fa)(fa)(fa)和其它閥(fa)(fa)(fa)不(bu)同的(de)(de)(de)(de)(de)(de)是(shi),它的(de)(de)(de)(de)(de)(de)能量(liang)損失(shi)更大(da)一(yi)(yi)(yi)些(xie),因為它需(xu)要(yao)一(yi)(yi)(yi)定的(de)(de)(de)(de)(de)(de)流(liu)(liu)(liu)(liu)量(liang)來維持前置級控(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)油路(lu)的(de)(de)(de)(de)(de)(de)工作。 電氣(qi)比(bi)(bi)例(li)閥(fa)自動控(kong)(kong)制(zhi)(zhi)可分成(cheng)斷續控(kong)(kong)制(zhi)(zhi)和(he)連續控(kong)(kong)制(zhi)(zhi)。斷續控(kong)(kong)制(zhi)(zhi)即開(kai)關控(kong)(kong)制(zhi)(zhi)。氣(qi)動控(kong)(kong)制(zhi)(zhi)系統(tong)(tong)中使用(yong)動作頻率較低(di)的(de)開(kai)關式(shi)(ON-OFF)的(de)換向閥(fa)來(lai)控(kong)(kong)制(zhi)(zhi)氣(qi)路的(de)通斷。靠減壓(ya)閥(fa)來(lai)調(diao)節所(suo)需要(yao)的(de)壓(ya)力,靠節流閥(fa)來(lai)調(diao)節所(suo)需要(yao)的(de)流量。這種傳統(tong)(tong)的(de)氣(qi)動控(kong)(kong)制(zhi)(zhi)系統(tong)(tong)要(yao)想要(yao)有多(duo)個輸(shu)出力和(he)多(duo)個運動速度(du),就需要(yao)多(duo)個減壓(ya)閥(fa)、節流閥(fa)及換向閥(fa)。這樣,不僅(jin)元件需要(yao)多(duo),成(cheng)本(ben)高(gao),構成(cheng)系統(tong)(tong)復雜,且許多(duo)元件都需要(yao)預先進行人工調(diao)節。電氣(qi)比(bi)(bi)例(li)閥(fa)控(kong)(kong)制(zhi)(zhi)屬于(yu)連續控(kong)(kong)制(zhi)(zhi),其特(te)點是輸(shu)出量隨(sui)輸(shu)入量的(de)變(bian)化(hua)而變(bian)化(hua),輸(shu)出量與輸(shu)入量之(zhi)間存在一定(ding)的(de)比(bi)(bi)例(li)關系。比(bi)(bi)例(li)控(kong)(kong)制(zhi)(zhi)有開(kai)環(huan)控(kong)(kong)制(zhi)(zhi)和(he)閉環(huan)控(kong)(kong)制(zhi)(zhi)之(zhi)分。 意大利阿托斯比例閥現貨(huo)型號(hao): DHZO-T-071-L5 DHZO-T-071-S5 DHZO-TE-051-L5/Y 40 DHZO-TE-071-L5 DHZO-TE-071-S5 40 /PE DHZO-TE-073-S5 DKZOR-TE-170-L5 40 DKZOR-TE-171-L5 DKZOR-TE-171-L5/I 40 DKZOR-TE-171-S5 DKZOR-TE-171-S5/Y DKZOR-TE-173-L5 40 |