A4VG180DA2D4/32R-NZD02F002S 柱塞泵

A4VG180DA2D4/32R-NZD02F002S柱塞泵

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A4VG180DA2D4/32R-NZD02F002S柱塞泵柱塞泵分为两种有代表性的结构形式的轴向柱塞泵和径向柱塞泵；由于径向柱塞泵
柱塞泵属于一种的技术含量比较高的泵，随着国产化的不断加快，径向柱塞泵必然会成为柱塞泵应用领域的重要组成部分；
径向柱塞泵是活塞或柱塞的往复运动方向与驱动轴垂直的柱塞泵。
径向柱塞泵工作原理:驱动扭矩由驱动轴 通过十字联轴器 传递给星形的液压缸体转子，定子不受其它横向作用力。转子装在配流轴上。位于转子中的径向布置的柱塞，通过静压平衡的滑靴紧贴着偏心行程定子。柱塞与滑靴球铰相连，并通过卡簧锁定。二个保持环将滑靴卡在行程定子上。
泵转动时，它依靠离心力和液压力压在定于内表面上。当转子转动时，由于定于的偏心作用，柱塞将作往复运动，它的行程为定于偏心距的2倍。定子的偏心距可由泵体上的径向位置相对的两个柱塞来调节。
油液的进出通过泵体和配流轴上的流道，并由配流轴上吸油口控制，泵体内产生的液压力被静压平衡的表面所吸收。摩擦副的静压平衡采取了过平衡压力补偿方法，形成了开环控制。支承驱动轴的轴承只起支承作用，不受其他外力的作用。
液压系统中:轴向柱塞泵是利用与传动轴平行的柱塞在柱塞孔内往复运动所产生的容积变化来进行工作的。由于柱塞泵的柱塞和柱塞孔都是圆形零件，加工时可以达到很高的精度配合;
以下以轴向柱塞泵为例进行解释。
轴向柱塞泵是利用与传动轴平行的柱塞在柱塞孔内往复运动所产生的容积变化来进行工作的。由于柱塞和柱塞孔都是圆形零件，加工时可以达到很高的精度配合，因此具有容积效率高，运转平稳，流量均匀性好，噪声低，工作压力高等优点，但对液压油的污染较敏感，结构较复杂，造价较高。
MCY14-1B：定量柱塞泵
SCY14-1B：手动变量柱塞泵
YCY14-1B：压力变量柱塞泵
BCY14-1B：电液控制柱塞泵
PCY14-1B：恒压变量柱塞泵
柱塞泵的泵油机构包括两套偶件：柱塞（plunger）+柱塞套(barrel)构成柱塞偶件(plunger and barrel assembly)（图5-11）、出油阀（delivery valve）和出油阀座(delivery valve seat)构成出油阀偶件(delivery valve assembly
柱塞和柱塞套是一对偶件，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。
A4VG180柱塞泵部分型号
A4VG180NVD2/32R-NZD02F002S
A4VG180NVD2/32R-NZD02N002S
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