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Rexroth力士(shi)樂(le)電(dian)磁閥液流(liu)方向
Rexroth電(dian)磁(ci)閥(fa)在液路系統(tong)中(zhong)用來實(shi)現(xian)液路的通(tong)斷(duan)或(huo)液流(liu)方向的(de)改變(bian),它壹般(ban)具(ju)有(you)壹(yi)個(ge)可(ke)以在(zai)線(xian)圈電(dian)磁力(li)驅動下滑動的閥(fa)芯,閥(fa)芯在(zai)不(bu)同(tong)的位置時,電(dian)磁閥的(de)通(tong)路也就(jiu)不(bu)同(tong)。閥芯的(de)工作(zuo)位(wei)置有幾個,該電磁閥就(jiu)叫(jiao)幾位電(dian)磁閥:閥(fa)體(ti)上(shang)的(de)接口,也就(jiu)是電(dian)磁閥的通(tong)路數,有(you)幾個通(tong)路口,該電磁閥就(jiu)叫(jiao)幾通(tong)電磁(ci)閥(fa)。德國(guo)力(li)士(shi)樂(le)REXROTH節流(liu)閥(fa)是(shi)通(tong)過(guo)改變(bian)節流(liu)截(jie)面或(huo)節流(liu)長度以(yi)控(kong)制(zhi)流(liu)體(ti)流(liu)量(liang)的(de)閥(fa)門。將(jiang)節流(liu)閥(fa)和(he)單(dan)向閥(fa)並(bing)聯則(ze)可(ke)組合成單向節流(liu)閥(fa)。節流(liu)閥(fa)和(he)單(dan)向節流(liu)閥(fa)是(shi)簡易的(de)流(liu)量(liang)控(kong)制(zhi)閥(fa),對節流(liu)閥(fa)的(de)性能(neng)要求(qiu)是:·流(liu)量(liang)調(tiao)節範(fan)圍大(da),流(liu)量(liang)壹(yi)壓差(cha)變(bian)化平滑;·內(nei)泄漏(lou)量(liang)小,若有(you)外(wai)泄漏(lou)油(you)口,外(wai)泄漏(lou)量(liang)也(ye)要(yao)小;·調(tiao)節力(li)矩小,動作靈(ling)敏(min)。節流(liu)閥(fa)(Choke valve)的(de)外(wai)形結構(gou)與截(jie)止閥(fa)並(bing)無區(qu)別(bie),只是(shi)它們(men)啟(qi)閉件(jian)的形(xing)狀(zhuang)有所(suo)不(bu)同(tong)。
在定(ding)量(liang)泵(beng)液(ye)壓系統(tong)中(zhong),節流(liu)閥(fa)和(he)溢(yi)流(liu)閥(fa)配(pei)合,可(ke)組成三種(zhong)節流(liu)調(tiao)速(su)系統(tong),即(ji)進油(you)路節流(liu)調(tiao)速(su)系統(tong)、回油(you)路節流(liu)調(tiao)速(su)系統(tong)和(he)旁路節流(liu)調(tiao)速(su)系統(tong)。節流(liu)閥(fa)沒(mei)有流(liu)量(liang)負反饋功(gong)能(neng),Rexroth電磁(ci)閥(fa)在(zai)液(ye)路系統(tong)中(zhong)用來實(shi)現(xian)液路的通(tong)斷(duan)或(huo)液流(liu)方向的(de)改變(bian),它壹般(ban)具(ju)有(you)壹(yi)個(ge)可(ke)以在(zai)線(xian)圈電(dian)磁力(li)驅動下滑動的閥(fa)芯,閥(fa)芯在(zai)不(bu)同(tong)的位置時,電(dian)磁閥的(de)通(tong)路也就(jiu)不(bu)同(tong)。閥芯的(de)工作(zuo)位(wei)置有幾個,該電磁閥就(jiu)叫(jiao)幾位電(dian)磁閥:閥(fa)體(ti)上(shang)的(de)接口,也就(jiu)是電(dian)磁閥的通(tong)路數,有(you)幾個通(tong)路口,該電磁閥就(jiu)叫(jiao)幾通(tong)電磁(ci)閥(fa)。不(bu)能(neng)補償由(you)負載(zai)變(bian)化(hua)所造成的速(su)度不(bu)穩(wen)定(ding),壹般(ban)僅(jin)用於(yu)負載(zai)變(bian)化(hua)不(bu)大(da)或(huo)對速(su)度穩(wen)定(ding)性要(yao)求(qiu)不(bu)高(gao)的場合。Rexroth力(li)士(shi)樂(le)電(dian)磁閥液流(liu)方向
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