液壓係統的汙染控製,貫穿於液壓係統的設計,製造、裝配、使(shi)用(yong)和(he)維(wei)護(hu)等(deng)整(zheng)個(ge)過(guo)程(cheng),解(jie)決(jue)液(ye)壓(ya)係(xi)統(tong)汙(wu)染(ran)不(bu)可(ke)能(neng)完(wan)全(quan)去(qu)除(chu)汙(wu)染(ran)物(wu),而(er)是(shi)通(tong)過(guo)汙(wu)染(ran)控(kong)製(zhi)措(cuo)施(shi),使(shi)係(xi)統(tong)的(de)汙(wu)染(ran)度(du)保(bao)持(chi)在(zai)係(xi)統(tong)關(guan)鍵(jian)液(ye)壓(ya)元(yuan)件(jian)的(de)汙(wu)染(ran)承(cheng)受(shou)範(fan)圍(wei)以(yi)內(nei),從(cong)而(er)達(da)到(dao)合(he)理(li)的(de)平(ping)衡(heng)。對(dui)液(ye)壓(ya)係(xi)統(tong)汙(wu)染(ran)的(de)控(kong)製(zhi)主(zhu)要(yao)有(you)兩(liang)種(zhong)措(cuo)施(shi):一是防止汙染物侵入係統;二是對係統油液進行過濾淨化。
設計階段的汙染控製
在設計階段,應慎重選用易於產生顆粒雜質而汙染係統油液的裝置、結構等。如從控製固體顆粒汙染角度,寧可選凸緣連接結構而少用管接頭,因為裝配維修時管接頭產生大量磨屑;油箱呼吸口設計位置高一些,並盡量掩蔽些,以防雨水和灰塵侵入;軟管可選用加襯裏的油管等等。
zaishejijieduanzuizhongyaodeshilvyouqideshejihexuanze。shejishi,kekaolvzaiduiyeyayouwuranjiaomingandeyeyayuanjianjinyouchuzengshexiyoulvyouqi,zairongyichanshengmoxiedeyeyayuanjiandehuiyouchulvyouqi,zaiguanjianxingyeyayuanjiandejinyoukoushezhifuzhulvyouqi,zaiwuranwuqinruliangdadexitongzhong,anzhuangpangluguolvyizuoweizaixianlvyouqidebuchong,gaishanqingjiedu,yanchanglvyouqishiyongshoumingdengdeng。
製造階段的汙染控製
外(wai)協(xie)外(wai)購(gou)件(jian)如(ru)各(ge)種(zhong)閥(fa),高(gao)壓(ya)軟(ruan)管(guan),缸(gang)等(deng)以(yi)及(ji)液(ye)壓(ya)油(you)要(yao)嚴(yan)格(ge)進(jin)行(xing)進(jin)廠(chang)檢(jian)驗(yan)。關(guan)鍵(jian)件(jian)需(xu)進(jin)行(xing)加(jia)載(zai),跑(pao)合(he)和(he)清(qing)洗(xi)。除(chu)外(wai)購(gou)的(de)液(ye)壓(ya)元(yuan)件(jian)以(yi)及(ji)一(yi)些(xie)軟(ruan)管(guan)外(wai),在(zai)現(xian)場(chang)配(pei)製(zhi)的(de)液(ye)壓(ya)管(guan)道(dao)必(bi)須(xu)經(jing)過(guo)酸(suan)洗(xi)除(chu)鏽(xiu)。管(guan)道(dao)按(an)以(yi)下(xia)工(gong)藝(yi)流(liu)程(cheng)進(jin)行(xing):脫脂、酸洗、中和、鈍化、幹燥、塗油、封閉。酸洗前應將經過脫脂處理後的管子用淨化壓力水衝去關內外壁的堿性溶液和洗去油汙。所有密封麵,絲扣等必須塗油覆蓋。
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