Aluminum alloy doors and windows production standards

【China Aluminum Industry Network】 1. The engineering design must be used for strength design calculations and tests. The production, installation, and acceptance are performed only according to the standard atlas and the type inspection report provided by the profile manufacturer. This is an erroneous and even dangerous behavior. Because the standard atlas is only a partial diagram of a certain series of windows, it does not indicate the load that the construction can bear according to the diagram, so it cannot be used as the basis for production, installation and acceptance. Different series of aluminum alloy doors and windows must be checked or tested for strength and deflection according to the principle of less stress.

2. The strength and stiffness of floor-standing aluminum alloy doors and windows are generally insufficient, and the main force columns (beams) in them must be strengthened.

3. When the height of aluminum alloy doors and windows outside a high-rise building is more than 30M, it shall be carried out in accordance with GB511057 “Code for Design of Building Lightning Protection”.

Material selection 1. Aluminum alloy profiles must meet the requirements of GB/T5237-2400 Aluminum Alloy Building Profiles.

2. The selection and configuration of hardware accessories is one of the important factors to ensure the quality of aluminum alloy doors and windows. Even a window with excellent performance must be guaranteed by the selection and configuration of high-quality accessories.

3. Push-pull aluminum alloy doors and windows of the pulley, tops, anti-shedding sealer, lower sealing block is to ensure the quality of push-pull aluminum alloy doors and windows are more important accessories. Pulleys are the key to smooth opening and closing of aluminum alloy doors and windows. Roller shaft nylon wheels should be used. The anti-disengagement sealer is a safety measure to prevent the detachment of the window sashes, as well as the sealing function between the hooks and the upper slides. The ABS plastic and the EPDM rubber should be used with good durability. The lower sealing block plays a sealing role between the hooking rate and the glide path, and can effectively prevent the splashing phenomenon under the effect of the fluctuating load. The EPDM rubber should be used. Tops are the seals of window sashes and window frames, which determine the airtightness of aluminum alloy doors and windows. Common chemical fiber slivers will curl and lose their sealing effect. Silicone tops must be used.

4. The hinges of aluminum alloy doors and windows (or sliding frictional hinges), handles, and sealing strips between the framed fans are the accessories that ensure the quality of the aluminum alloy doors and windows that are flat open. The bearing capacity of the hinge (or friction hinge of the sliding window) is the key to the safety of the aluminum alloy doors and windows, and the smoothness of the opening and closing of the aluminum alloy doors and windows. The hinge bearing capacity is stronger than the friction hinge, so the hinge can be made larger The use of sashes, friction hinges are only suitable for smaller windows or top hung windows. Handle the important accessories related to the safety and sealing performance of aluminum alloy doors and windows. The ordinary handle is only suitable for use in window sashes with smaller grids and loads. The European multi-point handles are suitable for large grids and loads. The sash is used; the sealing strip between the framed fan is the guarantee for the airtightness and watertightness of the flat-open aluminum alloy doors and windows, and the effective sealing ratio of the native PVC strip is about 5 years. Recycled PVC strips do not have sealing effectiveness, and it is desirable to use rubbers with good weather resistance such as EPDM.

5. The type, specification and performance of hardware accessories should comply with the relevant provisions of the current national standards.

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