柱塞泵柱塞往復運動總行程L是不變的,由凸輪的升程決定。柱塞每循環的供油量大小取決于供油行程,供油行程不受凸輪軸控制是可變的。供油開始時刻不隨供油行程的變化而變化。轉動柱塞可改變供油終了時刻,從而改變供油量。柱塞泵工作時,在噴油泵凸輪軸上的凸輪與柱塞彈簧的作用下,迫使柱塞作上、下往復運動,從而完成泵油任務
當凸輪的凸起部分轉過去后,在彈簧力的作用下,柱塞向下運動,柱塞上部空間(稱為泵油室)產生真空度,當柱塞上端面把柱塞套上的進油孔打開后,充滿在油泵上體油道內的柴油經油孔進入泵油室,柱塞運動到下止點,進油結束
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