A10VSO10DR/52R-PPA14N00德国100%原装进口

摘要:力士乐液压系统漏油会造成液压量减少且不能建立正常油压，从而导致系统不能正常工作。液压系漏油有外漏和内漏2种情况。外漏主要是油管破裂、接头松动、紧固不严密等情况等造成的；内漏主要是液压系统内部的油泵、油缸、分配器等产生泄漏造成的。

1、 齿轮油泵相关部位严重磨损或装配错误 （1）油泵齿轮与泵壳的配合间隙超过规定极限。处理方法是：更换泵壳或采用镶套法修复，保证油泵齿轮齿顶与壳体配合间隙在规定范围之内。

（2）齿轮轴套与齿轮端面过度磨损，使卸压密封圈预压缩量不足而失去密封作用，导致油泵高压油腔与低压油腔串通，内漏严重。处理方法是：在后轴套下面加补偿垫片（补偿垫片厚度一般不宜超过2mm），保证密封圈安放的压缩量。 （3）拆装油泵时，在2个轴套（螺旋油沟的轴套）结合面处，将导向钢丝装错方向。处理方法是：保证导向钢丝能同时将2个轴套按被动齿轮旋转方向偏转一个角度，使2个轴套平面贴合紧密。 （4）在拆装油泵时，隔压密封圈老化损坏，卸压片密封胶圈被装错。处理方法是：若隔压密封圈老化，应更换新件：卸压片密封胶圈应装在吸油腔（口）一侧（低压腔），并保证有一定的预紧压力。如装在压油腔一侧，密封胶圈会很快损坏，造成高压腔与低压腔相通，使油泵丧失工作能力。 2、油缸密封圈老化和损坏活塞杆锁紧螺母松动 （1）油缸活塞上的密封圈、活塞杆与活塞接合处的密封挡圈、定位阀密封圈损坏。处理方法是：更换密封圈和密封挡圈。但要注意，选用的密封圈表面应光滑；无皱纹、无裂缝、无气孔、无擦伤等。 （2）活塞杆锁紧螺母松动。处理方法是：拧紧活塞杆锁紧螺母。 （3）缸筒失圆严重时，可能导致油缸上下腔的液压油相通。处理方法：若失圆不太严重，可采取更换加大活塞密封圈的办法来恢复其密封性；若圆度、圆柱度误差超过0.05mm时，则应对缸筒进行珩磨加工，更换加大活塞，来恢复正常配合间隙。 3、分配器上的安全阀和回油阀关闭不严 （1）安全阀磨损或液压油过脏；球阀锈蚀，调节弹簧弹力不足或折断；液压油不合规格；液压油过稀或油温过高（液压油的正常温度应是30℃~60℃），都会使安全阀关闭不严。处理方法是：更换清洁的符合标准的液压油；更换规定长度和弹力的弹簧；更换球阀中的球，装入阀座后可敲击，使之与阀座贴合，并进行研磨。 （2）回油阀磨损严重或因液压油过脏而导致回油阀关闭不严。处理方法是：研磨锥面及互研阀座。若圆柱面严重磨损，可采取镀铬磨削的方法修复；若小圆柱面与导管磨损，造成内隙过大，可在导管内镶铜套，恢复配合间隙。清洗油缸，更换清洁的液压油。 滑阀与滑阀孔磨损，使间隙增大，油缸的油在活塞作用下从磨损的间隙处渗漏，流回油箱。处理方法是：镀铬后磨削修复，与滑阀孔选配。

rexroth油泵是液压系统的动力机构，它将原动机（电动机、内燃机等）的机械能转变为液体的压力能。

力士乐油泵可以分为容积式和非容积室（蜗轮式）两种。非容积式有离心泵、轴流泵等，利用高速旋转的叶轮使进口产生真空吸入液体，并在出口连续输出压力液体。这种泵进口与出口相通，效率随液体粘度增加而降低，并且输出液体量随出口压力升高而显著减少。

容积式泵是通过一个封闭的空间容积的变化来实现吸油和压油的。当这个封闭容积由小变大时进行吸油，由大变小时进行压油。典型的为力士乐柱塞泵，柱塞从缸孔中拉出时吸油，压进时压油。这种泵进口与出口是被隔开的，效率取决于隔开吸压油腔的各对运动零件间的结构工艺间隙及油液的粘度等。粘度越高效率越高，输油量几乎保持不变（因效率略有影响，另外压力升高至18MPa，油液会被压缩1%

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德国力士乐柱塞泵A10VSO 28排量：

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德国力士乐柱塞泵A10VSO 45排量：

A10VSO45DR/31R-PPA12N00

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德国力士乐柱塞泵A10VSO 71排量：

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德国力士乐柱塞泵A10VSO 100排量：

A10VSO100DR/31R-PPA12N00

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德国力士乐柱塞泵A10VSO 140排量：

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