... This serise of cricut cutting machines can be divided into:hand moving type,air clamping type,semi-automatic type.2,Addopt dual ... ensure saw blade lifetime,the cutting face is flat.6,Automatic clamp automatic knife entering type,except basictype structure adn parts,the ... air pressure automatic tupe.This type is the optimal edge tool of pipe fittings' quantity production.7,The cricut cutting machines are ...