柱塞泵是以液压缸为工作缸，柱塞作为活塞，通过柱塞的轴向窜动使活塞杆产生向下运动，从而达到输送液体或压缩气体的目的当泵送液体时，柱塞顶入活塞行程中，柱塞产生顶起，活塞上推，带动活塞和连杆产生运动，使柱塞在缸体上得到压缩。
当柱塞在活塞缸内做往复运动时，在其内部产生真空，气体被压缩到柱塞而排出以达到压缩液体的目的柱塞是柱塞泵的核心部件部分，它会随着工作的进行而逐渐磨损，当工作到一定程度时会出现磨损程度，严重时可能导致活塞和缸体都被损坏而报废。
因此我们必须注意保护柱塞下面我来给大家介绍一下在柱塞泵中缸体柱塞会发生什么？我们在实际生产中应该如何保养呢？ 1、影响活塞运动效率 缸内柱塞与活塞之间的配合间隙直接影响到活塞上推，从而使活塞向下力矩增大，柱塞也随之加大，使活塞的受力更大。
当活塞向下运动时，柱塞受到推力而发生偏转角度变化，将其力传递给活塞上推，从而使活塞向下力矩增大的同时造成活塞的受力也增大，由于这种变化，导致行程不断延长而推动阻力也相应增大，这样就使活塞上推动作持续时间延长和活塞运动效率降低。
此外，活塞上推的活塞往复运动过程中也将不可避免地产生运动副摩擦噪声当活塞往复运动过程中产生的热量及压缩空气在活塞行程末段的混合气过多时，产生了较多蒸汽及粉尘飞扬，造成活塞上推阻力增大此外，汽缸壁与活塞之间的运动副摩擦也会使活塞在工作过程中产生噪音。
2、产生泄漏 柱塞的泄漏是柱塞泵工作压力的主要来源，它会引起活塞及缸体的磨损，最终导致活塞、缸体和连杆都损坏活塞及连杆损坏会使液压系统的压力降低，最终造成缸体内的压力增大，从而导致缸体与活塞间产生密封泄漏，引起气阻损坏气缸。
柱塞产生泄漏的原因主要是活塞之间因为摩擦所致，所以要避免柱塞出现漏油现象一定要注意以下几点：①要避免活塞与连杆之间产生撞击；②要避免与空气混合，以免污染活塞与缸体以及活塞与气缸套接触部分③要避免柱塞接触活塞环，以免其因间隙变化造成压力损失。
④要避免高压油流入柱塞，避免产生汽蚀⑤要避免柱塞本身产生气泡所引起气阻的产生 3、活塞运动轨迹不正 当压力下降时，柱塞因内部的压力而上升，而柱塞本身的弹性又阻止了柱塞间的间隙减小，而造成运动轨迹不正如活塞运动轨迹不正，也会导致活塞被损坏。
保养建议：根据环境温度、压力和工作温度来选择合适的柱塞型号和长度随着工作温度的升高，密封圈会产生变化，因此安装时间较长时必须定期更换密封圈在柱塞装配时，应注意间隙 90L100-KA-1-NN-60-S-4-C7-D-03-GBA-35-35-28 90L100KA1NN60S4C7D03GBA353528 90-L-100-KA-1-NN-60-S-4-C7-D-03-GBA-35-35-28 90L100KA1NN60S4C7D03GBA353528 90-L-100-KA-1-NN-60-S-4-C7-E-03-GBA-38-38-24 90L100KA1NN60S4C7E03GBA383824 90-L-100-KA-1-NN-60-S-4-C7-F-03-GBA-35-35-20 90L100KA1NN60S4C7F03GBA353520 90-L-100-KA-1-NN-60-S-4-F1-E-03-GBA-42-42-24 90L100KA1NN60S4F1E03GBA424224 90-L-100-KA-1-NN-60-S-4-F1-F-03-FAC-32-32-24 90L100KA1NN60S4F1F03FAC323224 90-L-100-KA-1-NN-60-S-4-S1-E-00-GBA-42-42-24 90L100KA1NN60S4S1E00GBA424224 90-L-100-KA-1-NN-60-S-4-S1-E-03-GBA-42-42-24 90L100KA1NN60S4S1E03GBA424224 90-L-100-KA-1-NN-61-P-4-F1-E-03-GBA-35-35-24 90L100KA1NN61P4F1E03GBA353524 90-L-100-KA-1-NN-61-R-3-F1-F-00-GBA-40-35-20 90L100KA1NN61R3F1F00GBA403520 90-L-100-KA-1-NN-80-D-3-S1-L-03-GBA-30-30-28 90L100KA1NN80D3S1L03GBA303028 90L100-KA-1-NN-80-L-3-C7-E-03-GBA-42-42-30 90L100KA1NN80L3C7E03GBA424230 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