With the application of heat insulation technology on aluminum alloy profiles, the insulation performance of aluminum alloy doors and windows has been greatly improved, which is one of the main reasons why heat insulation aluminum alloy doors and windows are favored by more and more construction companies. In addition, other components in the aluminum alloy door and window system also have different effects on its overall performance. The following is a brief introduction of the impact of hardware on the performance of aluminum alloy doors and windows.

1. The influence of the selection of hardware on the physical properties of aluminum alloy doors and windows The durability of physical properties of doors and windows has a direct relationship with the structure and performance of hardware. After the flat open hanging window enters the construction industry of our country, due to its good physical and usage properties, this type of window has gradually been accepted by the Chinese people. The test results prove that the airtightness and watertightness of the building doors and windows of this kind of opening method can reach the national standard, and the hardware accessories with reasonable structure and function play a crucial role. At present, the structure of such hardware and profile systems used in China's door and window industry is mostly the same as the current system in Europe. Its characteristic is that in addition to the four sides of the sash can be locked at the same time, the hardware system can realize the three-dimensional adjustment of the sash relative to the window frame, and the greater limit ensures that the performance of the doors and windows is in a better state.

2. The impact of hardware on the economic performance of doors and windows The building doors and windows industry also has fierce market competition. One of the important ways to get rid of single price competition to create a healthy market environment is to continuously enrich product functions and expand product profit margins with technological advantages. The important part that can enrich the functions of doors and windows is hardware accessories. In addition to the above-mentioned flip-over hardware, parallel push-pull suspensions and lift-pull-outs, sunroofs, and mid-hung window accessories are all new types of hardware systems introduced by Europe in recent years. At the same time, the hardware of the same opening method has different structural forms and corresponding profiles. The products of different materials also offer multiple choices to the market due to their different prices.

3, hardware selection and production and storage management typical hardware not only good quality and high performance should also have good general characteristics. The same components are used as much as possible for the door and window systems with different opening modes, so that the complexity of supporting the production process can be realized on the basis of guaranteeing the use function, and at the same time, the inventory goods can be flowed rationally. This is also a trend in the development of European doors, windows and doors and windows hardware manufacturing.

4. Hardware is the main factor that determines the quality of the entire window. The surface treatment of hardware affects the service life of the entire window. According to the results of testing conducted by the Steinbeck Institute for Surface Processing and Environmental Technology under the DIN 50021SS standard, the corrosion resistance of the surface coating of door and window hardware was as high as 570 hours, and some of the iron-based galvanized parts did not even show white oxides. The service life provides a reliable guarantee. For aluminum alloy door and window systems, applying the current FDS mounting screws from Germany is undoubtedly an effective way to improve the safety performance of doors and windows.

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