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阿托斯柱塞泵機(jī)械維護(hù)
采用補(bǔ)油泵供油的柱塞泵，使用3000h后，操作人員每日需對(duì)柱塞泵檢查1-2次，檢查液壓泵運(yùn)轉(zhuǎn)聲響是否正常。如發(fā)現(xiàn)液壓缸速度下降或悶車(chē)時(shí)，就應(yīng)該對(duì)補(bǔ)油泵解體檢查，檢查葉輪邊沿是否有刮傷現(xiàn)象，內(nèi)齒輪泵間隙是否過(guò)大。對(duì)于自吸油型柱塞泵，液壓油箱內(nèi)的油液不得低于油標(biāo)下限，要保持足夠數(shù)量的液壓油。液壓油的清潔度越高，液壓泵的使用壽命越長(zhǎng)。
柱塞泵zui重要的部件是軸承，如果軸承出現(xiàn)游隙，則不能保證液壓泵內(nèi)部三對(duì)磨擦副的正常間隙，同時(shí)也會(huì)破壞各磨擦副的靜液壓支承油膜厚度，降低柱塞泵軸承的使用壽命。據(jù)液壓泵制造廠(chǎng)提供的資料，軸承的平均使用壽命為10000h，超過(guò)此值就需要更換新口。拆卸下來(lái)的軸承，沒(méi)有專(zhuān)業(yè)檢測(cè)儀器是無(wú)法檢測(cè)出軸承的游隙的，只能采用目測(cè)，如發(fā)現(xiàn)滾柱表面有劃痕或變色，就必須更換。
在更換軸承時(shí)，應(yīng)注意原軸承的英文字母和型號(hào)，柱塞泵軸承大都采用大載荷容量軸承，購(gòu)買(mǎi)原廠(chǎng)家，原規(guī)格的產(chǎn)品，如果更換另一種品牌，應(yīng)請(qǐng)教對(duì)軸承有經(jīng)驗(yàn)的人員查表對(duì)換，目的是保持軸承的精度等級(jí)和載荷容量。

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