Air steering gear is a kind of equipment that uses the air flow layer to support the paper web to realize the non-contact transfer and steering of the glued paper web. The air supply is blown out from the air nozzle through the air steering gear and generates a certain pressure. An air cushion layer is formed on the surface of the paper web to lift the paper web and convey it along the arc direction of the steering gear, so that the surface of the paper sheet is not in contact with the equipment, so that the surface quality of the glued wet paper sheet is not affected. Create conditions for delivery to the following drying cabinet.