(2), the installation of fixed connector is based on pay-off, the fixed connector is welded, and the anti-rust paint is brushed twice at the weld.
The connector is welded and fixed with the embedded parts on the main structure. When there are no embedded iron parts in the main structure, expansion bolts can be punched on the main structure and fixed with the connecting iron parts.
(3) Install the skeleton by welding. Check the elevation and centerline position at any time during installation, and at the same time, carry out anti-rust paint treatment on the cross-section connection weld, and make hidden inspection records for the fixed joint, including the length, thickness, position, embedded elevation, quantity and embedded depth of the joint weld.
(4) installing the aluminum-plastic plate on the inner frame of the profile, firstly tapping and milling the screw holes, and fixing the aluminum-plastic plate facing on the steel frame one by one with rivets; Gap between plates 10 ~ 15 _, and then inject silicone weatherproof sealant; It is forbidden to tear off the wrapping paper before installing the aluminum plate and tear off the packaging protective film before completion; Follow the direction indicated by the arrow of aluminum-plastic plate.