介绍一下力士乐柱塞泵型号：A10VSO71DFR/31R-PPA12N00 字母及数字代表意思。
A10VS→斜盘式变量泵,此系列工业驱动用,公称压力 28MPa,*高压力35MPa；
O →运行方式,此系列用于开式回路系统；
71 →排量规格此型号为18m3（另有10,28,45,71,100,140等常见规格排量
DFR1 →控制机构,（DG表示两位控制直接驱动；DR(G)表；示压力控制远程控制；DFR（1）压力/流量控制 ；带有1指在X油路无小孔；DFLR压力/流量/功率控制；FHD流量 控制,和先导压力有关带压力控制；FE1**流量电控；DFE1**压力/流量电控；ED电液压力控制；
31 →产品系列
R →转动方向（R顺时针,L逆时针
P →密封（P指带FKM轴封的NBR(丁晴橡胶,符合DIN ISO 1629),V指FKM(佛橡胶,符合DIN ISO 1629
P →轴端（P指带键直轴 DIN 6885,S指花键轴SAE,R指花键轴SAE(较高的通轴驱动转矩)；
A →安装法兰孔（A指ISO 2孔,B指ISO 4孔；
12 →工作油口连接,{压力油口B 吸油口S}在相反方向 ,SAE油口米制固定螺钉；
N00 →通轴,（N00无通轴驱动；有通轴驱动带轴向泵,齿轮泵回径向柱塞泵KB2,K51,KB3,K01等
A4VSO180DR/30R-PPB13N00
A4VSO250DR/30R-PPB13NOO
A10VSO140DRS/32R-VPB12N00
A10VSO140DRS/32R-VPB22U99
A10VSO100DFR1/32R-VPB12N00
A10VS071DFR1/32R-VPB22U99
A10VSO45DFR1/32R-VPB12N00
A10VSO28DFR1/31R-PPA12N00
A10VSO18DFR1/31R-PPB12N00
A10VS018DFR1/31R-PPB12N00
A10VS018DR/31R-PPA12N00
A10VSO18DR/31R-PPA12N00
A10VSO18DFR1/31R-PPA12N00
A10VSO18DFR1/31R-PPB12NOO
A10VS018DFR1/31R-PPB12NOO
A10VSO18DR/31R-PPA12N00
A10VSO28DR/31R-PPA12N00
A10VS028DR/31R-PPA12N00
A10VO28DR/31R-PSC12N00
A10VSO28DRF1/31R-PSA12N00
E-A10VSO28DFR1/31R-PPA12N00
A10VSO28DFR1/31R-PPA12N00
A10VS028DFR1/31R-PPA12N00
A10VSO28DFR/31R-PSA12N00
A10VSO28DR/32R-PPA121V00
A10VO28DFR1/31L-PSC62N00
A10VO28DFR1/31R-PSC62N00
