供应A A10VSO28DFR1/31R-PPA12N00现货

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R910910590(A   A10VSO28DFR1/31R-PPA12N00
		
	


力士乐柱塞泵A A10VSO28DFR1/31R-PPA12N00现货

   

经营产品：

阀类：电磁阀、换向阀、单向阀、溢流阀、减压阀、平衡

阀、插装阀、比例阀等

泵类：齿轮泵、柱塞泵、叶片泵等

承诺：保证原装正品，假一赔十   量大价格好商量！！

武穴黎翔机电设备有限公司REXROTH力士乐销售部

询价联系人：陈先生

                                              

询价QQ:      1477538929，         2593165857   

欢迎您的来电！

   

广泛应用于钢铁、冶金、铝行业、石油化工、航天、船舶制造、煤炭、水泥、电力、汽车、工程机械、食品、药业、林业、纺织、皮革、造纸等行业领域

柱塞和柱塞套是一对精密偶件，经配对研磨后不能互换，要求有高的精度和光洁度和好的耐磨性，其径向间隙为0.002～0.003mm

柱塞头部圆柱面上切有斜槽，并通过径向孔、轴向孔与顶部相通，其目的是改变循环供油量；柱塞套上制有进、回油孔，均与泵上体内低压油腔相通，柱塞套装入泵上体后，应用定位螺钉定位。

柱塞头部斜槽的位置不同，改变供油量的方法也不同。

出油阀和出油阀座也是一对精密偶件，配对研磨后不能互换，其配合间隙为0.01mm 。

出油阀是一个单向阀，在弹簧压力作用下，阀上部圆锥面与阀座严密配合，其作用是在停供时，将高压油管与柱塞上端空腔隔绝，防止高压油管内的油倒流入喷油泵内。

出油阀的下部呈十字断面，既能导向，又能通过柴油。出油阀的锥面下有一个小的圆柱面，称为减压环带，其作用是在供油终了时，使高压油管内的油压迅速下降，避免喷孔处产生滴油现象。当环带落入阀座内时则使上方容积很快增大，压力迅速减小，停喷迅速。

力士乐REXROTH油泵特点:力士乐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。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。力士乐油泵有开槽控制的斜盘设计，连续可变的排量，良好的自吸性，

允许连续工作压力350bar，低噪音，使用寿命长，驱

动轴能吸收轴向和径向载荷，模块化设计，通轴驱动

控制时间短，泵位置可选，安装位置也可以选择，可

在降低的工作参数下用HFC液工作。力士乐油泵的控制方式有三种，压力控制器（如A10VS045DR/31R-

PPA12NOO），还有就是压力和流量控制器

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               A4VSO125DR/30R-FPB13N00