柱塞泵柱塞往复运动总行程L是不变的,由凸轮的升程决定。柱塞每循环的供油量大小取决于供油行程,供油行程不受凸轮轴控制是可变的。供油开始时刻不随供油行程的变化而变化。转动柱塞可改变供油终了时刻,从而改变供油量。柱塞泵工作时,在喷油泵凸轮轴上的凸轮与柱塞弹簧的作用下,迫使柱塞作上、下往复运动,从而完成泵油任务
当凸轮的凸起部分转过去后,在弹簧力的作用下,柱塞向下运动,柱塞上部空间(称为泵油室)产生真空度,当柱塞上端面把柱塞套上的进油孔打开后,充满在油泵上体油道内的柴油经油孔进入泵油室,柱塞运动到下止点,进油结束
REXROTH柱塞泵A10VS045DFR1/31RPPA12NOO,
A10VSO140DR/32R-PPB12NOO
A10VSO18DFR1/31R-PPA12NOO
A10VSO28DFR1/31R-PPA12NOO
A10VSO45DFR1/31R-PPA12NOO
A10VSO71DFR1/31R-PPA12NOO
A10VSO71DRS/32R-VPB22U99
A10VSO100DFR1/31R-PPA12NOO
A10VSO100DFR1/32R-VPB12NOO
A10VSO140DRS/32R-VPB12NOO
A10VSO140DFR1/31R-PPB12NOO
A10VSO100DFR/31R-VSC62N00
A10VSO45DRG/31R-VSC62N00
A10VSO45DRG/31R-VSC12N00
A10VS028DFR1/31R-PSC12N00
A10VSO18DFR/31R-PPA12N00
A10VSO100DFR1/31R-PPA12N00
A10VSO71DFR/31R-PPA12N00
A10VS071DR/31R-PSC12N00
A10VSO28DR/31R-VPA12N00
A10VSO100DFR1/31R-VSC12N00
A10VSO45DFR1/31R-VSC62N00
A10VSO28DFLR/31R-VSC62N00
A10VS028DFR1/31R-PSC12N00
A10VSO100DFR1/31R-PSC62N00
A10VSO140DFR1/31R-VSB12N00
A10VSO140DFR/31R-VPB12N00
A10VSO71DR/31R-PSC12N00
A10VSO28DRG/31R-VPA12N00
A10VSO45DFR1/31R-VSC12N00