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液壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)的(de)(de)(de)(de)行(xing)(xing)(xing)(xing)程(cheng)(cheng)(cheng)(cheng)通常(chang)指活塞(sai)從完(wan)全(quan)收縮到完(wan)全(quan)伸出的(de)(de)(de)(de)長度，可以(yi)通過以(yi)下公式計算：液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)行(xing)(xing)(xing)(xing)程(cheng)(cheng)(cheng)(cheng) = 油(you)(you)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)有(you)(you)效(xiao)(xiao)(xiao)活塞(sai)面(mian)(mian)(mian)(mian)積(ji)(ji) × 液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)的(de)(de)(de)(de)有(you)(you)效(xiao)(xiao)(xiao)工作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)程(cheng)(cheng)(cheng)(cheng) / 油(you)(you)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)有(you)(you)效(xiao)(xiao)(xiao)工作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)積(ji)(ji)其中，油(you)(you)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)有(you)(you)效(xiao)(xiao)(xiao)活塞(sai)面(mian)(mian)(mian)(mian)積(ji)(ji)指活塞(sai)的(de)(de)(de)(de)有(you)(you)效(xiao)(xiao)(xiao)作(zuo)(zuo)(zuo)用(yong)面(mian)(mian)(mian)(mian)積(ji)(ji)，也就是(shi)油(you)(you)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)的(de)(de)(de)(de)截面(mian)(mian)(mian)(mian)積(ji)(ji)減去桿柱占據(ju)的(de)(de)(de)(de)面(mian)(mian)(mian)(mian)積(ji)(ji)；液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)的(de)(de)(de)(de)有(you)(you)效(xiao)(xiao)(xiao)工作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)程(cheng)(cheng)(cheng)(cheng)指液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)可以(yi)工作(zuo)(zuo)(zuo)的(de)(de)(de)(de)有(you)(you)效(xiao)(xiao)(xiao)行(xing)(xing)(xing)(xing)程(cheng)(cheng)(cheng)(cheng)；油(you)(you)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)有(you)(you)效(xiao)(xiao)(xiao)工作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)積(ji)(ji)指油(you)(you)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)的(de)(de)(de)(de)有(you)(you)效(xiao)(xiao)(xiao)截面(mian)(mian)(mian)(mian)積(ji)(ji)，即油(you)(you)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)內可用(yong)于(yu)活塞(sai)伸縮的(de)(de)(de)(de)面(mian)(mian)(mian)(mian)積(ji)(ji)。以(yi)某液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)為(wei)(wei)例，其油(you)(you)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)有(you)(you)效(xiao)(xiao)(xiao)活塞(sai)面(mian)(mian)(mian)(mian)積(ji)(ji)為(wei)(wei)100平方厘(li)(li)(li)米(mi)(mi)，液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)的(de)(de)(de)(de)有(you)(you)效(xiao)(xiao)(xiao)工作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)程(cheng)(cheng)(cheng)(cheng)為(wei)(wei)100厘(li)(li)(li)米(mi)(mi)，油(you)(you)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)有(you)(you)效(xiao)(xiao)(xiao)工作(zuo)(zuo)(zuo)面(mian)(mian)(mian)(mian)積(ji)(ji)為(wei)(wei)50平方厘(li)(li)(li)米(mi)(mi)，則液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)的(de)(de)(de)(de)行(xing)(xing)(xing)(xing)程(cheng)(cheng)(cheng)(cheng)為(wei)(wei)：液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)行(xing)(xing)(xing)(xing)程(cheng)(cheng)(cheng)(cheng) = 100平方厘(li)(li)(li)米(mi)(mi) × 100厘(li)(li)(li)米(mi)(mi) / 50平方厘(li)(li)(li)米(mi)(mi) = 200厘(li)(li)(li)米(mi)(mi)因此，該液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)的(de)(de)(de)(de)行(xing)(xing)(xing)(xing)程(cheng)(cheng)(cheng)(cheng)為(wei)(wei)200厘(li)(li)(li)米(mi)(mi)。液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)行(xing)(xing)(xing)(xing)程(cheng)(cheng)(cheng)(cheng)的(de)(de)(de)(de)計算是(shi)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)傳動中的(de)(de)(de)(de)基本(ben)參(can)數之(zhi)一，根(gen)據(ju)實(shi)際需要，可以(yi)確定液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)缸(gang)(gang)(gang)(gang)(gang)(gang)(gang)的(de)(de)(de)(de)行(xing)(xing)(xing)(xing)程(cheng)(cheng)(cheng)(cheng)，以(yi)實(shi)現所需的(de)(de)(de)(de)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)動力傳輸。