簡要描(miao)述:意大(da)利ATOS伺(si)服比(bi)例閥(fa)(fa)(fa)主要是(shi)(shi)指電(dian)液伺(si)服閥(fa)(fa)(fa),它(ta)在接受(shou)電(dian)氣(qi)模(mo)擬信號后,相應輸(shu)(shu)出調制的流量和壓力(li)。ATOS伺(si)服比(bi)例閥(fa)(fa)(fa)既是(shi)(shi)電(dian)液轉換(huan)元件,也是(shi)(shi)功率(lv)放大(da)元件,它(ta)能夠將小功率(lv)的微(wei)弱(ruo)電(dian)氣(qi)輸(shu)(shu)入信號轉換(huan)為大(da)功率(lv)的液壓能(流量和壓力(li))輸(shu)(shu)出。
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意大利ATOS伺服比例閥
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是在液壓(ya)傳動(dong)中用(yong)來(lai)控制(zhi)(zhi)液體壓(ya)力、流(liu)里(li)和(he)方(fang)(fang)向(xiang)的(de)元件。其(qi)中控制(zhi)(zhi)壓(ya)力的(de)稱為壓(ya)力控制(zhi)(zhi)閥(fa)(fa),控制(zhi)(zhi)流(liu)里(li)的(de)稱為流(liu)里(li)控制(zhi)(zhi)閥(fa)(fa),控制(zhi)(zhi)通、斷和(he)流(liu)向(xiang)的(de)稱為方(fang)(fang)向(xiang)控制(zhi)(zhi)閥(fa)(fa)。方(fang)(fang)向(xiang)控制(zhi)(zhi)閥(fa)(fa)按用(yong)途分為單向(xiang)閥(fa)(fa)和(he)換(huan)向(xiang)閥(fa)(fa)。
意大利ATOS伺服比例閥檔板向右移動,使右邊噴嘴的節流作用加強,流量減少,右側背壓上升;同時使左邊噴嘴節流作用減小,流量增加,左側背壓下降。閥芯兩端的作用力失去平衡, 閥芯遂向左移動。高壓油從S流向C2,送到負載。負載回油通過 C1流過回油口,進入油箱。閥芯的位移量與力矩馬達的輸入電流成正比,作用在閥芯上的液壓力與彈簧力相平衡,因此在平衡狀態下力矩馬達的差動電流與閥芯的位移成正比。如果輸入的電流反向,則流量也反向。表中是伺服閥的分類。
:適(shi)用(yong)(yong)性(xing)(xing) 管(guan)路(lu)中的(de)(de)(de)(de)流(liu)體(ti)必(bi)須(xu)和選(xuan)(xuan)(xuan)用(yong)(yong)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)系(xi)列(lie)型(xing)(xing)(xing)(xing)號中標(biao)定(ding)的(de)(de)(de)(de)介(jie)質一(yi)(yi)致. 流(liu)體(ti)的(de)(de)(de)(de)溫(wen)度(du)必(bi)須(xu)小于(yu)選(xuan)(xuan)(xuan)用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)的(de)(de)(de)(de)標(biao)定(ding)溫(wen)度(du). 電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)允(yun)(yun)許(xu)液體(ti)粘度(du)一(yi)(yi)般(ban)在(zai) 20CST 以(yi)下,大于(yu) 20CST 應注(zhu)(zhu)明(ming). 工(gong)(gong)作壓(ya)(ya)差(cha),管(guan)路(lu)壓(ya)(ya)差(cha)在(zai)小于(yu) 0.04MPa 時(shi)(shi)(shi)(shi)應選(xuan)(xuan)(xuan)用(yong)(yong)如 ZS,2W,ZQDF,ZCM 系(xi)列(lie)等直(zhi)動式(shi)(shi)(shi)和分步直(zhi)動式(shi)(shi)(shi); 工(gong)(gong)作壓(ya)(ya)差(cha)大于(yu) 0.04MPa 時(shi)(shi)(shi)(shi) 可選(xuan)(xuan)(xuan)用(yong)(yong)先導式(shi)(shi)(shi)(壓(ya)(ya)差(cha)式(shi)(shi)(shi))電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa);工(gong)(gong)作壓(ya)(ya)差(cha)應 小于(yu)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)的(de)(de)(de)(de)大標(biao)定(ding)壓(ya)(ya)力(li);一(yi)(yi)般(ban)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)都是單向工(gong)(gong)作,因此(ci)(ci)要(yao)注(zhu)(zhu) 意(yi)是否有(you)反壓(ya)(ya)差(cha),如有(you)安(an)裝(zhuang)(zhuang)止回閥(fa)(fa)(fa). 流(liu)體(ti)清潔度(du)不高(gao)(gao)時(shi)(shi)(shi)(shi)應在(zai)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)前安(an)裝(zhuang)(zhuang)過濾器,一(yi)(yi)般(ban)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci) 閥(fa)(fa)(fa)對(dui)介(jie)質要(yao)求清潔度(du)要(yao)好. 注(zhu)(zhu)意(yi)流(liu)量孔徑和接管(guan)口徑;電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)一(yi)(yi)般(ban)只有(you)開關(guan)兩位控制;條件允(yun)(yun) 許(xu)請(qing)(qing)安(an)裝(zhuang)(zhuang)旁(pang)路(lu)管(guan),便(bian)于(yu)維修;有(you)水(shui)錘現象時(shi)(shi)(shi)(shi)要(yao)定(ding)制電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)的(de)(de)(de)(de)開閉(bi)時(shi)(shi)(shi)(shi) 間調(diao)節. 注(zhu)(zhu)意(yi)環境溫(wen)度(du)對(dui)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)的(de)(de)(de)(de)影響 電(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)流(liu)和消耗功率應根據輸出(chu)容量選(xuan)(xuan)(xuan)取,電(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)一(yi)(yi)般(ban)允(yun)(yun)許(xu) ±10%左右,必(bi)須(xu)注(zhu)(zhu)意(yi)交流(liu)起動時(shi)(shi)(shi)(shi) VA 值較高(gao)(gao). 二,可靠性(xing)(xing) 電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)分為(wei)常閉(bi)和常開二種;一(yi)(yi)般(ban)選(xuan)(xuan)(xuan)用(yong)(yong)常閉(bi)型(xing)(xing)(xing)(xing),通電(dian)(dian)(dian)(dian)(dian)打(da)開,斷(duan)電(dian)(dian)(dian)(dian)(dian)關(guan) 閉(bi);但(dan)在(zai)開啟時(shi)(shi)(shi)(shi)間很長關(guan)閉(bi)時(shi)(shi)(shi)(shi)很短時(shi)(shi)(shi)(shi)要(yao)選(xuan)(xuan)(xuan)用(yong)(yong)常開型(xing)(xing)(xing)(xing)了. 壽命試(shi)驗(yan),工(gong)(gong)廠一(yi)(yi)般(ban)屬于(yu)型(xing)(xing)(xing)(xing)式(shi)(shi)(shi)試(shi)驗(yan)項(xiang)目,確(que)切(qie)地說我(wo)國(guo)還沒(mei)有(you)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci) 閥(fa)(fa)(fa)的(de)(de)(de)(de)專業標(biao)準,因此(ci)(ci)選(xuan)(xuan)(xuan)用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)廠家時(shi)(shi)(shi)(shi)慎重. 動作時(shi)(shi)(shi)(shi)間很短頻率較高(gao)(gao)時(shi)(shi)(shi)(shi)一(yi)(yi)般(ban)選(xuan)(xuan)(xuan)取直(zhi)動式(shi)(shi)(shi),大口徑選(xuan)(xuan)(xuan)用(yong)(yong)快速(su)系(xi)列(lie). 三(san),安(an)全性(xing)(xing) 一(yi)(yi)般(ban)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)不防水(shui), 在(zai)條件不允(yun)(yun)許(xu)時(shi)(shi)(shi)(shi)請(qing)(qing)選(xuan)(xuan)(xuan)用(yong)(yong)防水(shui)型(xing)(xing)(xing)(xing), 工(gong)(gong)廠可以(yi)定(ding)做. 電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)的(de)(de)(de)(de)標(biao)定(ding)公稱壓(ya)(ya)力(li)一(yi)(yi)定(ding)要(yao)超過管(guan)路(lu)內(nei)的(de)(de)(de)(de)壓(ya)(ya)力(li),否則使 用(yong)(yong)壽命會縮短或(huo)產(chan)生其它意(yi)外情況. 有(you)腐蝕(shi)性(xing)(xing)液體(ti)的(de)(de)(de)(de)應選(xuan)(xuan)(xuan)用(yong)(yong)全不銹鋼型(xing)(xing)(xing)(xing),強腐蝕(shi)性(xing)(xing)流(liu)體(ti)宜(yi)選(xuan)(xuan)(xuan)用(yong)(yong)塑(su)料王 (SLF)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa). 爆炸性(xing)(xing)環境必(bi)須(xu)選(xuan)(xuan)(xuan)用(yong)(yong)相應的(de)(de)(de)(de)防爆產(chan)品(pin). 四,經濟性(xing)(xing) 有(you)很多電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)可以(yi)通用(yong)(yong),但(dan)在(zai)能滿足以(yi)上(shang)三(san)點的(de)(de)(de)(de)基(ji)礎上(shang)應選(xuan)(xuan)(xuan)用(yong)(yong)的(de)(de)(de)(de)產(chan)品(pin)
部分型號:
DLHZO-TE-040-173 40
DLHZO-TE-040-L73/B 40
DLHZO-TE-040-173/B 40
DLHZO-TE-040-173/B 40
pLHZO-TE-040-T53/1 40
DLHZ0-TE-040-153/1 40
DLHZ0-TE-040-153/1 40
DLHZO-TE-040-T71/Q 40
DLHZO-TE-040-171/9 40
DLHZO-TE-040-171/Q 40
DPZO-A-373-D5
DPZ0-A-373-D5
DPZO-A-373-D5
ATOS伺服比例閥