Rexroth，力士乐液压泵，力士乐REXROTH
Rexroth 柱塞泵根据倾斜元件的不同，有斜盘式和斜轴式两种。斜盘式是斜盘相对回转的缸体有一倾斜角度，而引起柱塞在泵缸中往复运动。传动轴轴线和缸体轴线是一致的。这种结构较简单，转速较高，但工作条件要求高，柱塞端部与斜盘的接触部往往是薄弱环节。斜轴式的斜盘轴线与传动轴轴线是一致的。它是由于柱塞缸体相对传动轴倾斜一角度而使柱塞作往复运动。流量调节依靠摆动柱塞缸体的角度来实现，故有的又称摆缸式。它与斜盘式相比，工作可靠，流量大，但结构复杂。
Rexroth 轴向柱塞泵与径向柱塞泵比较，排出压力高，它一般可在20～50MPa范围内工作，效率也高，径向尺寸小、结构紧凑、体积小、重量轻。但结构较径向柱塞泵复杂，加工制造要求高，价格较贵。
轴向柱塞泵一般用于机床、冶金、锻压、矿山及起重机械的液压传动系统中，特别广泛地应用于大功率的液压传动系统中。为了提高效率，在应轴向柱塞泵一般都由缸体、配油盘、柱塞和斜盘等主要零件组成。缸体内有多个柱塞，柱塞是轴向排列的，即柱塞的中心线平行于传动轴的轴线，因此称它为轴向柱塞泵。但它又不同于往复式柱塞泵，因为它的柱塞不仅在泵缸内做往复运动，而且柱塞和泵缸与斜盘相对有旋转运动。柱塞以一球形端头与斜盘接触。在配油盘上有高低压月形沟槽，它们彼此由隔墙隔开，保证一定的密封性，它们分别与泵的进油口和出油口连通。斜盘的轴线与缸体轴线之间有一倾斜角度。油泵A4VS071DR/30R-PPB13N00
德国力士乐A4VG-125泵的配件主轴080121-001#
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A4VS071DR/22R-PPB13NOORexroth，力士乐液压泵，力士乐REXROTH
轴向柱塞泵的工作原理所示，当电动机带动传动轴旋转时，泵缸与柱塞一同旋转，柱塞头永远保持与斜盘接触，因斜盘与缸体成一角度，因此缸体旋转时，柱塞就在泵缸中做往复运动。以图l—40的下一柱塞为例，它从0°转到180°，即转到上面柱塞的位置，柱塞缸容积逐渐增大，因此液体经配油盘的吸油口a吸人油缸；而该柱塞从180°转到360°时，柱塞缸容积逐渐减小，因此油缸内液体经配油盘的出口排出液体。只要传动轴不断旋转，泵便不断地工作。
改变倾斜元件的角度，就可以改变柱塞在泵缸内的行程长度，即可改变泵的流量。倾斜角度固定的称为定量泵，倾斜角度可以改变的便称为变量泵。
力士乐REXROTH液压泵，销售力士乐液压泵，博世力士乐一级代理，广东代理力士乐液压泵