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ATOS柱(zhu)塞泵最重(zhong)要的(de)部件是軸承，如(ru)果軸承出現(xian)游隙(xi)，則不能保證(zheng)液壓(ya)(ya)泵內部三對(dui)磨擦副的(de)正常間隙(xi)，同時也會破壞各磨擦副的(de)靜液壓(ya)(ya)支承油膜厚度(du)，降低柱(zhu)塞泵軸承的(de)使(shi)用壽(shou)命。據液壓(ya)(ya)泵制造廠提供的(de)資料，軸承的(de)平均使(shi)用壽(shou)命為10000h，超過此值就(jiu)需(xu)要更換新口。拆卸下(xia)來的(de)軸承，沒(mei)有(you)專業檢(jian)測(ce)儀器是無法(fa)檢(jian)測(ce)出軸承的(de)游隙(xi)的(de)，只能采用目測(ce)，如(ru)發現(xian)滾柱(zhu)表面(mian)有(you)劃(hua)痕或變色，就(jiu)必須更換。

ATOS柱塞泵(beng)配(pei)流盤(pan)有平面配(pei)流和球面配(pei)流兩種形式。球面配(pei)流的磨(mo)擦副，在缸體配(pei)流面劃痕(hen)比較(jiao)(jiao)淺時，通過(guo)研磨(mo)手段修復；缸體配(pei)流面溝槽較(jiao)(jiao)深時，應先采用(yong)“表面工程技術"手段填平溝槽后，再(zai)進(jin)行(xing)研磨(mo)，不可盲(mang)目(mu)研磨(mo)，，以防銅層變(bian)薄或漏(lou)油出鋼基。

ATOS柱塞泵主要特點:
采用雙柱塞結(jie)構(gou)，壓力脈動(dong)小(xiao)，寶(bao)石球(qiu)壽命長；
采用進(jin)口寶石(shi)柱塞(sai)和寶石(shi)球(qiu)，確保流量(liang)精確
通過 RS232 接口與(yu)電腦通訊，可直(zhi)接由電腦進(jin)行控制 ；
接觸介質材料耐(nai)有機(ji)溶劑腐蝕；
大屏幕液晶顯示；
精心設計(ji)的排氣(qi)裝置有效(xiao)除去輸送液體中(zhong)的氣(qi)泡。
流(liu)量與(yu)壓(ya)力設定(ding)可(ke)記(ji)憶 可(ke)與(yu)PLC實現通訊（定(ding)制）
實(shi)時顯示(shi)當前壓(ya)力(li)、設(she)(she)定(ding)壓(ya)力(li)、設(she)(she)定(ding)流(liu)量 ； 實(shi)時曲線顯示(shi)泵工(gong)作(zuo)壓(ya)力(li) 可按兩種方式(shi)設(she)(she)定(ding)流(liu)量和壓(ya)力(li)，快捷實(shi)用(yong) ； 具有定(ding)時功能，方便設(she)(she)定(ding)泵的工(gong)作(zuo)時間 ； 可保存當前工(gong)作(zuo)壓(ya)力(li)，便于(yu)查看 ； 可打印當前壓(ya)力(li)等(deng)重要參數 。

PVPC-C-4046/1D柱塞泵 PVPC-C-4046/1D液壓(ya)柱塞泵 PVPC-C-4046/1D
PVPC-C-4046/1S柱(zhu)(zhu)塞(sai)泵 PVPC-C-4046/1S液壓柱(zhu)(zhu)塞(sai)泵 PVPC-C-4046/1S
PVPC-C-5073/1D柱(zhu)塞泵 PVPC-C-5073/1D液壓柱(zhu)塞泵 PVPC-C-5073/1D
PVPC-C-5073/1S 10柱(zhu)塞泵 PVPC-C-5073/1S 10液壓(ya)柱(zhu)塞泵 PVPC-C-5073/1S 10
PVPC-CH-5073/1D-IX 24DC柱塞泵(beng) PVPC-CH-5073/1D-IX 24DC液壓柱塞泵(beng) PVPC-CH-5073/1D-IX 24DC
PVPC-LZQZ-5073/1D/18柱塞泵(beng) PVPC-LZQZ-5073/1D/18液(ye)壓柱塞泵(beng) PVPC-LZQZ-5073/1D/18
PVPC-R-3029/1D 11柱塞(sai)泵 PVPC-R-3029/1D 11液壓柱塞(sai)泵 PVPC-R-3029/1D 11
PVPC-R-4046/1D 11柱塞泵 PVPC-R-4046/1D 11液(ye)壓柱塞泵 PVPC-R-4046/1D 11
PVPC-SLE-3029/10 20柱(zhu)塞泵 PVPC-SLE-3029/10 20液壓柱(zhu)塞泵 PVPC-SLE-3029/10 20

ATOS柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)泵(beng)(beng)(beng)(beng)柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)往復(fu)運(yun)(yun)動(dong)總行(xing)程(cheng)L是不變(bian)(bian)的(de)(de)(de)(de)，由(you)凸(tu)輪(lun)的(de)(de)(de)(de)升程(cheng)決定。柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)每循(xun)環(huan)的(de)(de)(de)(de)供(gong)油(you)(you)(you)(you)(you)(you)(you)(you)(you)量大(da)小取決于供(gong)油(you)(you)(you)(you)(you)(you)(you)(you)(you)行(xing)程(cheng),供(gong)油(you)(you)(you)(you)(you)(you)(you)(you)(you)行(xing)程(cheng)不受凸(tu)輪(lun)軸(zhou)控制(zhi)是可變(bian)(bian)的(de)(de)(de)(de)。供(gong)油(you)(you)(you)(you)(you)(you)(you)(you)(you)開(kai)始時(shi)刻不隨供(gong)油(you)(you)(you)(you)(you)(you)(you)(you)(you)行(xing)程(cheng)的(de)(de)(de)(de)變(bian)(bian)化(hua)而(er)變(bian)(bian)化(hua)。轉(zhuan)動(dong)柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)可改變(bian)(bian)供(gong)油(you)(you)(you)(you)(you)(you)(you)(you)(you)終了時(shi)刻，從(cong)而(er)改變(bian)(bian)供(gong)油(you)(you)(you)(you)(you)(you)(you)(you)(you)量。柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)泵(beng)(beng)(beng)(beng)工(gong)作(zuo)(zuo)時(shi)，在噴(pen)油(you)(you)(you)(you)(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)凸(tu)輪(lun)軸(zhou)上(shang)(shang)(shang)(shang)(shang)的(de)(de)(de)(de)凸(tu)輪(lun)與柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)彈簧(huang)的(de)(de)(de)(de)作(zuo)(zuo)用(yong)下(xia)(xia)，迫使柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)作(zuo)(zuo)上(shang)(shang)(shang)(shang)(shang)、下(xia)(xia)往復(fu)運(yun)(yun)動(dong)，從(cong)而(er)完成(cheng)泵(beng)(beng)(beng)(beng)油(you)(you)(you)(you)(you)(you)(you)(you)(you)任務，泵(beng)(beng)(beng)(beng)油(you)(you)(you)(you)(you)(you)(you)(you)(you)過程(cheng)可分為以(yi)下(xia)(xia)三(san)個階段(duan)。 進(jin)(jin)油(you)(you)(you)(you)(you)(you)(you)(you)(you)過程(cheng) 當凸(tu)輪(lun)的(de)(de)(de)(de)凸(tu)起部(bu)分轉(zhuan)過去后(hou)，在彈簧(huang)力(li)的(de)(de)(de)(de)作(zuo)(zuo)用(yong)下(xia)(xia)，柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)向下(xia)(xia)運(yun)(yun)動(dong)，柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)上(shang)(shang)(shang)(shang)(shang)部(bu)空(kong)間（稱為泵(beng)(beng)(beng)(beng)油(you)(you)(you)(you)(you)(you)(you)(you)(you)室）產(chan)生真空(kong)度(du)，當柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)上(shang)(shang)(shang)(shang)(shang)端面(mian)把柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)套(tao)上(shang)(shang)(shang)(shang)(shang)的(de)(de)(de)(de)進(jin)(jin)油(you)(you)(you)(you)(you)(you)(you)(you)(you)孔打開(kai)后(hou)，充滿(man)在油(you)(you)(you)(you)(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)上(shang)(shang)(shang)(shang)(shang)體(ti)油(you)(you)(you)(you)(you)(you)(you)(you)(you)道內(nei)(nei)的(de)(de)(de)(de)柴(chai)油(you)(you)(you)(you)(you)(you)(you)(you)(you)經(jing)油(you)(you)(you)(you)(you)(you)(you)(you)(you)孔進(jin)(jin)入(ru)泵(beng)(beng)(beng)(beng)油(you)(you)(you)(you)(you)(you)(you)(you)(you)室，柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)運(yun)(yun)動(dong)到下(xia)(xia)止(zhi)點，進(jin)(jin)油(you)(you)(you)(you)(you)(you)(you)(you)(you)結束(shu)。 供(gong)油(you)(you)(you)(you)(you)(you)(you)(you)(you)過程(cheng) 當凸(tu)輪(lun)軸(zhou)轉(zhuan)到凸(tu)輪(lun)的(de)(de)(de)(de)凸(tu)起部(bu)分頂起滾輪(lun)體(ti)時(shi)，柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)彈簧(huang)被壓(ya)(ya)縮，柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)向上(shang)(shang)(shang)(shang)(shang)運(yun)(yun)動(dong)，燃油(you)(you)(you)(you)(you)(you)(you)(you)(you)受壓(ya)(ya)，一部(bu)分燃油(you)(you)(you)(you)(you)(you)(you)(you)(you)經(jing)油(you)(you)(you)(you)(you)(you)(you)(you)(you)孔流回噴(pen)油(you)(you)(you)(you)(you)(you)(you)(you)(you)泵(beng)(beng)(beng)(beng)上(shang)(shang)(shang)(shang)(shang)體(ti)油(you)(you)(you)(you)(you)(you)(you)(you)(you)腔(qiang)。當柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)頂面(mian)遮住(zhu)套(tao)筒(tong)上(shang)(shang)(shang)(shang)(shang)進(jin)(jin)油(you)(you)(you)(you)(you)(you)(you)(you)(you)孔的(de)(de)(de)(de)上(shang)(shang)(shang)(shang)(shang)緣時(shi)，由(you)于柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)和(he)套(tao)筒(tong)的(de)(de)(de)(de)配合間隙很(hen)小（0.0015-0.0025mm）使柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)頂部(bu)的(de)(de)(de)(de)泵(beng)(beng)(beng)(beng)油(you)(you)(you)(you)(you)(you)(you)(you)(you)室成(cheng)為一個密封油(you)(you)(you)(you)(you)(you)(you)(you)(you)腔(qiang)，柱(zhu)(zhu)(zhu)(zhu)塞(sai)(sai)繼續上(shang)(shang)(shang)(shang)(shang)升，泵(beng)(beng)(beng)(beng)油(you)(you)(you)(you)(you)(you)(you)(you)(you)室內(nei)(nei)的(de)(de)(de)(de)油(you)(you)(you)(you)(you)(you)(you)(you)(you)壓(ya)(ya)迅速升高，泵(beng)(beng)(beng)(beng)油(you)(you)(you)(you)(you)(you)(you)(you)(you)壓(ya)(ya)力(li)>出油(you)(you)(you)(you)(you)(you)(you)(you)(you)閥彈簧(huang)力(li)+高壓(ya)(ya)油(you)(you)(you)(you)(you)(you)(you)(you)(you)管剩余壓(ya)(ya)力(li)時(shi)，推開(kai)出油(you)(you)(you)(you)(you)(you)(you)(you)(you)閥，高壓(ya)(ya)柴(chai)油(you)(you)(you)(you)(you)(you)(you)(you)(you)經(jing)出油(you)(you)(you)(you)(you)(you)(you)(you)(you)閥進(jin)(jin)入(ru)高壓(ya)(ya)油(you)(you)(you)(you)(you)(you)(you)(you)(you)管，通(tong)過噴(pen)油(you)(you)(you)(you)(you)(you)(you)(you)(you)器噴(pen)入(ru)燃燒室。