REXROTH葉片泵依靠旋轉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。

    REXROTH力士樂葉片泵被葉輪排出的液體經過壓出室，大部分速度能轉換成壓力能，然后沿排出管路輸送出去，這時，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，旋轉著的葉輪就連續不斷地吸入和排出液體。

    REXROTH葉片泵主要用于由于顆粒太大以至于一般渣漿泵不能輸送的強磨蝕性物料的連續輸送。適用于挖泥、吸砂礫、疏浚河道、采礦及金屬冶煉爆渣輸送等。

    REXROTH葉片泵工作前，先將泵內充滿液體，然后啟動離心泵，葉輪快速轉動，葉輪的葉片驅使液體轉動，液體轉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。

    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。

上海維特銳與德國REXROTH合作，長期穩定供應力士樂產品
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