Aluminum alloy doors and windows are installed, but we also need to know that its accessories also need to be maintained. Let's first talk about the damage of aluminum alloy door and window hardware accessories, mainly including: aluminum alloy door and window hardware loose and fall off, transmission locking is not smooth, pulley body bearing fracture, sliding support hinge deformation and rust. In addition to the quality defects of the product itself, improper installation and operation also account for a large number of reasons. What are the corresponding preventive measures?
1. Aluminum alloy doors and windows have a complete system, from the selection of profiles, to the configuration of hardware accessories should ensure the height of the fit. In addition to matching with profiles, the specification and performance of hardware accessories should also comply with the current national industry standards and relevant mandatory provisions.
2. Different sizes of aluminum alloy doors and windows have clear requirements for the selection of accessories. For example, aluminum alloy sliding doors usually need to use double wheels, while aluminum alloy sliding windows with a width of more than 1000mm need to use double wheels when using double glass. If the main degree of the upper suspension window is more than 1000mm, the wind brace should be installed.
3. The sliding brace hinge is usually made of 304 stainless steel, and 316 material is required in coastal cities. Prevent salt spray corrosion.
4. When installing hardware with fastening screws, a metal lining plate must be set inside, and the thickness of the lining plate should be at least twice of the thread pitch of the fastener. It is not allowed to fasten on the plastic profile, and non-metallic lining is not allowed.
5. In general, the installation of aluminum alloy door and window frames should be done in the correct order.
6. Aluminum alloy door and window hardware, after all, is the price of metal, it can not avoid the problem of rust oxidation, so the daily anti rust work is also essential. In daily use, it should be opened and put down gently to prevent damage caused by hard opening and closing.