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联系人：白建新  力士乐柱塞泵A10VSO71DR/31R-PPA12N00 柱塞泵是液压系统的一个重要装置。它依靠柱塞在缸体中往复运动，使密封工作容腔的容积发生变化来实现吸油、压油。柱塞泵具有额定压力高、结构紧凑、效率高和流量调节方便等优点。柱塞泵被广泛应用于高压、大流量和流量需要调节的场合，诸如液压机、工程机械和船舶中

回油过程

柱塞向上供油，当上行到柱塞上的斜槽（停供边）与套筒上的回油孔相通时，泵油室低压油路便与柱塞头部的中孔和径向孔及斜槽沟通，油压骤然下降，出油阀在弹簧力的作用下迅速关闭，停止供油。此后柱塞还要上行，当凸轮的凸起部分转过去后，在弹簧的作用下，柱塞又下行。此时便开始了下一个循环。柱塞泵以一个柱塞为原理介绍，一个柱塞泵上有两个单向阀，并且方向相反，柱塞向一个方向运动时缸内出现负压，这时一个单向阀打开液体被吸入缸内，柱塞向另一个方向运动时，将液体压缩后另一个单向阀被打开，被吸入缸内的液体被排出。这种工作方式连续运动后就形成了连续供油 。 [1] 

机械使用

编辑柱塞泵缸体镶装铜套的，可以采用更换铜套的方法安装。首先把一组柱塞杆外径修整到统一尺寸，再用1000#以上的砂纸抛光外径。缸体安装铜套的三种方法：（a）缸体加温热装或铜套低温冷冻挤压，过盈装配；（b）采有乐泰胶粘着装配，这咱方法要求铜外套外径表面有沟槽；（c）缸孔攻丝，铜套外径加工螺纹，涂乐泰胶后，旋入装配。 [1] 熔烧结合方式的缸体与铜套，安装方法如下：（a）采用研磨棒，手工或机械方法研磨修复缸孔；（b）采用坐标镗床，重新镗缸体孔；（c）采用铰刀修复缸体孔。 [1] 采用“表面工程技术”，方法如下：（a）电镀技术：在柱塞表面镀一层硬铬；（b）电刷镀技术：在柱塞表面刷镀耐磨材料；（c）热喷涂或电弧喷涂或电喷涂：喷涂高碳马氏体耐磨材料；（d）激光熔敷：在柱塞表面熔敷高硬度耐磨合金粉末。（4）缸体孔无铜套的缸体材料大都是球墨铸铁的，在缸体内壁上制备非晶态薄膜或涂层。因为缸体孔内壁有了这种特殊物质，所以才能组成硬—硬配对的磨擦副

 A10VSO系列 液压变量柱塞泵 
936130 A10VSO28DFLR/31R-PPA12N00 
936062 A10VSO28DFLR/31R-PPA12N00 
936059 A10VSO28DFLR/31R-PPA12N00 
940936 A10VSO28DFLR/31R-PPA12N00 力士乐Rexroth
939026 A10VSO28DFLR/31R-PPA12N00 
903160 A10VSO28DFR/31R-PPA12N00 
926318 A10VSO28DFR1/31R-PPA12K01 
910590 A10VSO28DFR1/31R-PPA12N00 力士乐Rexroth
907919 A10VSO28DR/31R-PPA12K01 
903163 A10VSO28DR/31R-PPA12N00 
936910 A10VSO45DFLR/31R-PPA12N00 
936912 A10VSO45DFLR/31R-PPA12N00 力士乐Rexroth
936739 A10VSO45DFLR/31R-PPA12N00 
935975 A10VSO45DFLR/31R-PPA12N00 
940582 A10VSO45DFLR/31R-PPA12N00 
909613 A10VSO45DFR/31R-PPA12K01 力士乐Rexroth
911010 A10VSO45DFR/31R-PPA12K26 
939183 A10VSO45DFR/31R-PPA12N00 
927068 A10VSO45DFR1/31R-PPA12K02 
908725 A10VSO45DFR1/31R-PPA12N00 力士乐Rexroth
907403 A10VSO45DR/31R-PPA12N00 
944067 A10VSO71DFLR/31R-PPA12N00 
944730 A10VSO71DFLR/31R-PPA12N00 
942654 A10VSO71DFLR/31R-PPA12N00 力士乐Rexroth
944502 A10VSO71DFLR/31R-PPA12N00 
948790 A10VSO71DFLR/31R-PPA12N00 
961216 A10VSO71DFLR/31R-PPA12N00 
944440 A10VSO71DFR1/31R-PPA12N00 力士乐Rexroth
945133 A10VSO71DR/31R-PPA12N00 
936207 A10VSO100DFLR/31R-PPA12N00 
936738 A10VSO100DFLR/31R-PPA12N00 
936473 A10VSO100DFLR/31R-PPA12N00 力士乐Rexroth
936790 A10VSO100DFLR/31R-PPA12N00 
934823 A10VSO100DFLR/31R-PPA12N00 
944032 A10VSO100DFLR/31R-PPA12N00 
943468 A10VSO100DFLR/31R-PPA12N00 力士乐Rexroth
939643 A10VSO100DFR/31R-PPA12N00 
927083 A10VSO100DFR1/31R-PPA12K02 
922744 A10VSO100DFR1/31R-PPA12N00 
912007 A10VSO100DR/31R-PPA12N00 力士乐Rexroth
936094 A10VSO140DFLR/31R-PPB12N00 
935974 A10VSO140DFLR/31R-PPB12N00 
941109 A10VSO140DFLR/31R-PPB12N00 
938977 A10VSO140DFLR/31R-PPB12N00 力士乐Rexroth
943841 A10VSO140DFLR/31R-PPB12N00 
939192 A10VSO140DFR/31R-PPB12N00 
927126 A10VSO140DFR1/31R-PPB12K02 
921546 A10VSO140DFR1/31R-PPB12N00 力士乐Rexroth
922983 A10VSO140DR/31R-PPB12N00 
932852 A10VSO140DRG/31R-PPB12N00 
945179 A10VSO71DFR/31R-PPA12K27 
942635 A10VSO71DFR/31R-PPA12N00 力士乐Rexroth
947872 A10VSO71DFR1/31R-PPA12K02 
948654 A10VSO71DFLR/31R-PPA12N00
力士乐压力继电器


R901110456 HED8OA-2X/200K14V力士乐Rexroth
R901108236 HED8OH-2X/350K14AS
R901108003 HED8OP-2X/200K14AS
R901107922 HED8OA-2X/350K14SV力士乐Rexroth
R901107790 HED8OP-2X/100K14AS
R901107128 HED8OH-2X/100K14A
R901107126 HED8OA-2X/200K14KS力士乐Rexroth
R901107093 HED8OP-2X/200K14S
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R901107086 HED8OH-2X/50K14AS力士乐Rexroth
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R901106449 HED8OP-2X/630K14S
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R901106259 HED8OA-2X/100K14A
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R901102747 HED8OP-2X/100K14
R901102727 HED8OA-2X/200K14S
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R901102708 HED8OA-2X/200K14力士乐