柱塞泵A10VSO-140DR/31R-PPB12N00型號齊全

力士樂油泵可以分為容積式和非容積室（蝸輪式）兩種。非容積式有離心泵、軸流泵等，利用高速旋轉的葉輪使進口產生真空吸入液體，并在出口連續(xù)輸出壓力液體。這種泵進口與出口相通，效率隨液體粘度增加而降低，并且輸出液體量隨出口壓力升高而減少。容積式泵是通過一個封閉的空間容積的變化來實現(xiàn)吸油和壓油的。當這個封閉容積由小變大時進行吸油，由大變小時進行壓油。典型的為力士樂柱塞泵，柱塞從缸孔中拉出時吸油，壓進時壓油。這種泵進口與出口是被隔開的，效率取決于隔開吸壓油腔的各對運動零件間的結構工藝間隙及油液的粘度等。粘度越越高，輸油量幾乎保持不變（因效率略有影響，另外壓力升高至18MPa，油液會被壓縮1%）。

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柱塞泵A10VSO-140DR/31R-PPB12N00型號齊全