Basedoncontainingtheintermittenttransmissionmechanism,gear,worm,wormgeardrivemechanism,andscrewtransmissionmechanism analysisofthetypicalmechanicaltransmissionofthetransmissionlink.Determiningthesourceandnatureoftheerrorofeachlink,andtotheerrorlinktodeductionandcalculationtheinfluenceofmechanismmotionprecision,bytheprecisionofdataprocessingforstructuralmovementdata.