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    REXROTH葉片泵轉(zhuǎn)子旋轉(zhuǎn)時,，葉片在離心力和壓力油的作用下,，尖部緊貼在定子內(nèi)表面上,。這樣兩個葉片與轉(zhuǎn)子和定子內(nèi)表面所構(gòu)成的工作容積,，先由小到大吸油后再由大到小排油，葉片旋轉(zhuǎn)一周時,，完成一次吸油與排油,。

    德國REXROTH力士樂葉片泵工作前，先將泵內(nèi)充滿液體,，然后啟動離心泵,，葉輪快速轉(zhuǎn)動，葉輪的葉片驅(qū)使液體轉(zhuǎn)動,，液體轉(zhuǎn)動時依靠慣性向葉輪外緣流去,，同時葉輪從吸入室吸進液體，在這一過程中,，力士樂葉片泵葉輪中的液體繞流葉片,，在繞流運動中液體作用一升力于葉片，反過來葉片以一個與此升力大小相等、方向相反的力作用于液體,，這個力對液體做功,，使液體得到能量而流出葉輪，這時液體 的動能與壓能均增大,。

    REXROTH葉片泵依靠旋轉(zhuǎn)葉輪對液體的作用把原動機的機械能傳遞給液體,。由于離心泵的作用液體從葉輪進口流向出口的過程中，其速度能和壓力能都得到增加,，被葉輪排出的液體經(jīng)過壓出室，大部分速度能轉(zhuǎn)換成壓力能,，然后沿排出管路輸送出去

    這時,，REXROTH葉片泵葉輪進口處因液體的排出而形成真空或低壓，吸水池中的液體在液面壓力(大氣壓)的作用下,，被壓入葉輪的進口,，于是，旋轉(zhuǎn)著的葉輪就連續(xù)不斷地吸入和排出液體,。

上海維特銳專業(yè)報價德國REXROTH

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