數控母排加工機的液壓泵如何保養-力建數控

發布日期：2018-01-03 作者：力建數控點擊：

來源：力建數控母線機、母線加工機、銅排加工機、母排加工機生產廠家責任編輯：01顧問

數控母排加工機直軸(zhou)斜盤(pan)式柱塞泵分為壓(ya)力供油型的自吸油型兩種。

壓(ya)(ya)(ya)(ya)力(li)供(gong)油(you)(you)(you)型(xing)液(ye)壓(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)大(da)都采用(yong)(yong)有(you)(you)氣(qi)壓(ya)(ya)(ya)(ya)的(de)(de)(de)油(you)(you)(you)箱，也(ye)有(you)(you)液(ye)壓(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)本(ben)身帶有(you)(you)補油(you)(you)(you)分(fen)(fen)泵(beng)(beng)(beng)(beng)向(xiang)液(ye)壓(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)進油(you)(you)(you)口(kou)提供(gong)壓(ya)(ya)(ya)(ya)力(li)油(you)(you)(you)的(de)(de)(de)。自(zi)(zi)吸油(you)(you)(you)型(xing)液(ye)壓(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)的(de)(de)(de)自(zi)(zi)吸油(you)(you)(you)能(neng)力(li)很強，無(wu)需(xu)外力(li)供(gong)油(you)(you)(you)。靠氣(qi)壓(ya)(ya)(ya)(ya)供(gong)油(you)(you)(you)的(de)(de)(de)液(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)箱，在(zai)每次啟動(dong)機(ji)器(qi)后(hou)，必須等(deng)液(ye)壓(ya)(ya)(ya)(ya)漬箱達到使(shi)(shi)用(yong)(yong)氣(qi)壓(ya)(ya)(ya)(ya)后(hou)，才能(neng)操作(zuo)機(ji)械(xie)。如液(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)箱的(de)(de)(de)氣(qi)壓(ya)(ya)(ya)(ya)不足(zu)時就擔任機(ji)器(qi)，會(hui)對液(ye)壓(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)內(nei)(nei)的(de)(de)(de)與滑鞭造(zao)成拉(la)脫現象(xiang)，母(mu)(mu)(mu)(mu)(mu)(mu)排加(jia)工(gong)機(ji)出會(hui)造(zao)成泵(beng)(beng)(beng)(beng)體內(nei)(nei)回程板(ban)與壓(ya)(ya)(ya)(ya)板(ban)的(de)(de)(de)非正常(chang)磨損。采用(yong)(yong)補油(you)(you)(you)泵(beng)(beng)(beng)(beng)供(gong)油(you)(you)(you)的(de)(de)(de)柱塞泵(beng)(beng)(beng)(beng)，使(shi)(shi)用(yong)(yong)3000h后(hou)，操作(zuo)人員(yuan)每日(ri)需(xu)對柱塞泵(beng)(beng)(beng)(beng)檢查(cha)1-2次，檢查(cha)液(ye)壓(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)(beng)運(yun)轉聲響是(shi)否正常(chang)。如發(fa)現液(ye)壓(ya)(ya)(ya)(ya)缸速度(du)(du)下降或悶車(che)時，就應(ying)該對補油(you)(you)(you)泵(beng)(beng)(beng)(beng)解體檢查(cha)，檢查(cha)葉輪(lun)邊(bian)沿是(shi)否有(you)(you)刮傷現象(xiang)，內(nei)(nei)齒(chi)輪(lun)泵(beng)(beng)(beng)(beng)間隙是(shi)否過大(da)。戶(hu)內(nei)(nei)開關(guan)設(she)備和控(kong)制設(she)備中(zhong)，母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)按(an)截面(mian)(mian)分(fen)(fen)為(wei)(wei)矩形(xing)(xing)(xing)、圓(yuan)形(xing)(xing)(xing)、D型(xing)、U型(xing)等(deng)，其中(zhong)由于同截面(mian)(mian)的(de)(de)(de)矩形(xing)(xing)(xing)母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)較(jiao)圓(yuan)形(xing)(xing)(xing)、D型(xing)、U型(xing)等(deng)母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)電(dian)(dian)阻小(xiao)、散熱(re)(re)面(mian)(mian)大(da)、載流(liu)量高(gao)等(deng)原因(yin)，矩形(xing)(xing)(xing)母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)在(zai)40.5kV及以(yi)下電(dian)(dian)壓(ya)(ya)(ya)(ya)等(deng)級中(zhong)應(ying)用(yong)(yong)最(zui)廣泛(fan)。圓(yuan)形(xing)(xing)(xing)和D型(xing)母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)由于集膚效應(ying)較(jiao)好(hao)，防電(dian)(dian)暈效果好(hao),也(ye)有(you)(you)應(ying)用(yong)(yong)，但連接(jie)比較(jiao)復雜。U型(xing)母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)一(yi)(yi)般用(yong)(yong)于電(dian)(dian)流(liu)較(jiao)大(da)、力(li)效應(ying)要求高(gao)的(de)(de)(de)設(she)備中(zhong)，如發(fa)電(dian)(dian)機(ji)出口(kou)開關(guan)柜。其額(e)定(ding)電(dian)(dian)流(liu)大(da)，一(yi)(yi)般達到5000A以(yi)上(shang)，額(e)定(ding)峰值耐受電(dian)(dian)流(liu)(IP)大(da)，一(yi)(yi)般為(wei)(wei)50kA以(yi)上(shang)。按(an)材質分(fen)(fen)，可分(fen)(fen)為(wei)(wei)銅母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)、鋁母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)、鐵母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)，其中(zhong)銅母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)由于載流(liu)量大(da)，四合一(yi)(yi)母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)加(jia)工(gong)機(ji)抗腐(fu)蝕性能(neng)和力(li)效應(ying)好(hao)，應(ying)用(yong)(yong)最(zui)廣泛(fan)。鋁質母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)在(zai)電(dian)(dian)流(liu)小(xiao)、非沿海(hai)和非石化系統也(ye)有(you)(you)應(ying)用(yong)(yong)。使(shi)(shi)用(yong)(yong)鐵母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)主(zhu)要從經濟上(shang)考慮，主(zhu)要應(ying)用(yong)(yong)于PT連接(jie)線(xian)(xian)(xian)(xian)。按(an)自(zi)(zi)然狀態可分(fen)(fen)為(wei)(wei)硬母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)和軟母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)。軟母(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)主(zhu)要應(ying)用(yong)(yong)于連接(jie)不便可以(yi)吸收(shou)一(yi)(yi)些力(li)效應(ying)的(de)(de)(de)場所，如斷(duan)路器(qi)內(nei)(nei)部。熱(re)(re)縮(suo)管(guan)(guan)在(zai)加(jia)熱(re)(re)收(shou)縮(suo)過程中(zhong)，由于銅的(de)(de)(de)導熱(re)(re)性能(neng)非常(chang)好(hao)，會(hui)讓貼(tie)緊銅排部分(fen)(fen)的(de)(de)(de)熱(re)(re)縮(suo)管(guan)(guan)溫(wen)度(du)(du)立即降低，而緊貼(tie)銅排，這種現象(xiang)稱之為(wei)(wei)“貼(tie)冷”。為(wei)(wei)防止貼(tie)冷現象(xiang)的(de)(de)(de)發(fa)生(sheng)，加(jia)熱(re)(re)套管(guan)(guan)前，應(ying)先對銅排預加(jia)熱(re)(re)，讓銅排溫(wen)度(du)(du)略高(gao)于環(huan)境溫(wen)度(du)(du)，然后(hou)套上(shang)銅排收(shou)縮(suo)，這樣(yang)可以(yi)減(jian)少或者避免貼(tie)冷現象(xiang)。

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