Lub tshuab feem ntau yog tsim los ntawm peb qhov sib npaug ntawm cov xov dov ncej sib dhos, peb txheej ntawm tib yam zawv zawg tes tsho lub tog raj kheej hydraulic systems.transmission mechanisms, hloov mechanisms, hluav taws xob tshuab, thiab cua txias tshuab.
Lub fuselage txhawb nqa peb lub tog raj kheej zoo ib yam, thiab lub tog raj kheej hauv qab txhawb nqa peb qhov zoo tib yam xov dov ncej sib dhos rau synchronous pub thiab retraction linear motion.Lub clamping ntawm lub workpiece tiav, thiab cov txheej txheem retracting yog txiav rau hauv thiab tso tawm; peb tso zis dov shafts ntawm qhov kis tau tus mob tso zis tsav ncej tig nyob rau hauv tib txoj kev ntawm tib lub ceev kom tiav cov txheej txheem dov ntawm cov xov.