液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)(you)(you)的(de)(de)(de)(de)質(zhi)量(liang)(liang)要(yao)(yao)求(qiu):汽車(che)及工(gong)程機械等的(de)(de)(de)(de)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)系統(tong)使(shi)(shi)用(yong)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)(you)(you)作(zuo)(zuo)為工(gong)作(zuo)(zuo)介質(zhi)，這類液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)系統(tong)中油(you)(you)(you)(you)(you)液(ye)(ye)(ye)的(de)(de)(de)(de)流速不大而壓(ya)(ya)(ya)(ya)力(li)較高,故(gu)稱為靜壓(ya)(ya)(ya)(ya)傳動(dong).液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)(you)(you)質(zhi)量(liang)(liang)的(de)(de)(de)(de)優劣(lie)將在(zai)很大程度上影響液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)系統(tong)的(de)(de)(de)(de)工(gong)作(zuo)(zuo)可(ke)(ke)靠性和使(shi)(shi)用(yong)壽命(ming)(ming)。通(tong)常對(dui)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)(you)(you)的(de)(de)(de)(de)質(zhi)量(liang)(liang)要(yao)(yao)求(qiu)有如(ru)(ru)下(xia)幾點: l.適宜的(de)(de)(de)(de)粘(zhan)度及良(liang)(liang)好(hao)的(de)(de)(de)(de)粘(zhan)溫(wen)(wen)性能(neng),以確保在(zai)工(gong)作(zuo)(zuo)溫(wen)(wen)度發生(sheng)變化(hua)(hua)的(de)(de)(de)(de)條件(jian)(jian)下(xia)能(neng)準確、靈敏地(di)傳遞動(dong)力(li),并(bing)能(neng)保證(zheng)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)元(yuan)件(jian)(jian)的(de)(de)(de)(de)正(zheng)常潤滑． 2。具(ju)有良(liang)(liang)好(hao)的(de)(de)(de)(de)防銹性及抗(kang)氧化(hua)(hua)安(an)定(ding)性,在(zai)高溫(wen)(wen)高壓(ya)(ya)(ya)(ya)條件(jian)(jian)下(xia)不易氧化(hua)(hua)變質(zhi),使(shi)(shi)用(yong)壽命(ming)(ming)長． 3。具(ju)有良(liang)(liang)好(hao)的(de)(de)(de)(de)抗(kang)泡沫性,使(shi)(shi)油(you)(you)(you)(you)(you)品在(zai)受機械不斷攪拌(ban)的(de)(de)(de)(de)工(gong)作(zuo)(zuo)條件(jian)(jian)下(xia)，產生(sheng)的(de)(de)(de)(de)泡沫易于(yu)消失八以使(shi)(shi)動(dong)力(li)傳遞穩定(ding),避免液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)(you)(you)的(de)(de)(de)(de)加速氧化(hua)(hua). 4。良(liang)(liang)好(hao)的(de)(de)(de)(de)抗(kang)乳化(hua)(hua)性,能(neng)與混入油(you)(you)(you)(you)(you)中的(de)(de)(de)(de)水迅速分離,以兔形成乳化(hua)(hua)液(ye)(ye)(ye)導致液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)系統(tong)金屬材質(zhi)的(de)(de)(de)(de)銹蝕和降低(di)使(shi)(shi)用(yong)效果． 5。良(liang)(liang)好(hao)的(de)(de)(de)(de)極壓(ya)(ya)(ya)(ya)抗(kang)磨性，以保證(zheng)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)(you)(you)泵、液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)馬達、控制(zhi)閥和油(you)(you)(you)(you)(you)缸中的(de)(de)(de)(de)摩擦(ca)副在(zai)高壓(ya)(ya)(ya)(ya)、高速苛(ke)刻條件(jian)(jian)下(xia)得到正(zheng)常的(de)(de)(de)(de)潤滑,減少磨損．除上述基本質(zhi)量(liang)(liang)要(yao)(yao)求(qiu)外,對(dui)于(yu)一(yi)些特殊性能(neng)要(yao)(yao)求(qiu)的(de)(de)(de)(de)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)(you)(you)尚有特殊的(de)(de)(de)(de)要(yao)(yao)求(qiu)。如(ru)(ru)低(di)溫(wen)(wen)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)(you)(you)要(yao)(yao)求(qiu)具(ju)有良(liang)(liang)好(hao)的(de)(de)(de)(de)低(di)溫(wen)(wen)使(shi)(shi)用(yong)性能(neng)﹔抗(kang)燃(ran)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)(you)(you)要(yao)(yao)求(qiu)具(ju)有良(liang)(liang)好(hao)的(de)(de)(de)(de)抗(kang)燃(ran)性能(neng);抗(kang)銀液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)油(you)(you)(you)(you)(you)可(ke)(ke)用(yong)于(yu)有銀部件(jian)(jian)的(de)(de)(de)(de)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)系統(tong).