Double Layer Conveyor Bridge A. Design Speed:150m/min B. Expiry width: 2500m/min C. Adopt adsorption and strain tighten set,sep up adsorption strain adjusment set,assure stick hard and level off while the cardboard transit heating plank. D. Electric control install two groups of operation plate,upper and lower bridge can be adjusted arbitrarily. E.With safty rails, staircases and board to insure operater safty and also make easy to operate. F. Keep space for auto splicer G.Adopt in-phase electric drive,equiop high,low speed paper stacking set,realize the purpose of transmitting restored single facer corrugated cardboard.