Building energy efficiency standards are getting higher and higher, and you will find more aluminum alloy doors and windows that do not meet energy efficiency standards. Why? Because you may use non-system doors and windows. Only good system doors and windows can meet higher energy-saving requirements. Of course, there are still many people who don’t know the difference between system doors and windows and non-system doors and windows. Today, the aluminum alloy door and window industry information editor will take you to learn more about system doors and windows and ordinary ones. The difference between doors and windows!
The system doors and windows are the overall door and window system solutions adopted by the system company, and make clear commitments to the product performance and quality indicators. Water tightness, air tightness, wind pressure resistance, mechanical strength, heat insulation, sound insulation, anti-theft, and sunshade need to be considered. For a series of important functions such as, weather resistance, operating feel, etc., the comprehensive results of the performance of equipment, profiles, accessories, glass, viscose, and seals must also be considered. According to the requirements of the overall solution, design, manufacture, and install the products, and realize the promised performance and quality indicators in actual use.
The five core features of system doors and windows: systematic design, high heat insulation profiles, standard material formulas, high-quality hardware systems, and rigorous production processes.
The difference between the technical configuration of system doors and windows and ordinary doors and windows
Europe is the birthplace of system doors and windows, and it has been in the Chinese market for nearly two decades. Domestic door and window companies have gradually mastered the technology and principles of system doors and windows through research and study. The performance and quality of ordinary doors and windows have been improved to a certain extent, but due to market distribution and price restrictions, ordinary doors and windows have not reached the European system door and window configuration and performance. Compared with glass curtain walls, the main materials, hardware, accessories, rubber strips, components, etc. of door and window materials are various. There are dozens of types of materials for a complete door and window, and there is a lot of room for selection and reduction. This is also the reason for the large gap in the price of the same type of window. The following construction details are given as examples.
The strength and sealing of the corners of aluminum alloy doors and windows processing is very important, which determines the splicing strength and waterproof degree of doors and windows. The traditional cornering process of ordinary doors and windows uses the connection form of extruded aluminum corner code + hit corner, and then squeeze the corner Sealant is applied to the edge of the knife, but the aluminum profile joints that really need to be sealed have no sealant. Rain water will enter the inside of the doors and windows through the joint capillary seams. This process is not easy to ensure the compactness of the corners and the sealing of the joints.
Through the research of the European system, it is found that the corner connection of the door and window of the system adopts a special cast aluminum corner code with hollow stainless steel pin + glue injection. This corner assembly process includes two special technologies: one is expansion and tightening technology, and the other is glue injection sealing technology. Each cast aluminum angle code is composed of two pieces of cast aluminum. When the stainless steel hollow pin is driven in, the two pieces of cast aluminum piece will automatically expand. Adding the matching tolerance of the angle code pin hole and the profile pin hole, the two pieces The 45-degree spliced profile is firmly tightened and fixed. After the fixation is completed, the next step is to inject glue into the corner code through the glue hole of the pin. After the glue injection is completed, the 45-degree splicing of the profile is completely sealed from the inside of the cavity with glue. The gap between the corner code and the profile cavity is also completely sealed.
In this corner structure, the weakest part is the thin edge splicing of the profile: first, because the corner code cannot be installed, the connection strength cannot be guaranteed, and the splicing is prone to cracking, which is not beautiful and leaks. ; The second is that the thin metal wall contacts, and the sealing is not guaranteed, resulting in water leakage at the splicing part.
Ordinary aluminum alloy doors and windows generally do not deal with this part, or just symbolically apply some glass sealant at the splicing place, which can be said to basically not play a role in sealing. The system doors and windows have taken special measures in this part, installing a grooved stainless steel or aluminum alloy clip, on the one hand, it strengthens the connection at the thin wall and avoids the seam at the splicing; on the other hand, through the stainless steel clip Glue is injected between the part and the profile, which completely guarantees the sealing of the splice.
Sealing strips play a very important role in the water tightness and air tightness of doors and windows. In this regard, there is also a big difference between ordinary doors and windows and system doors and windows. Generally, the rubber strips of the door and window frame fans and the pressed glass are often disconnected at the corners. Due to the thermal expansion and the cold shrinking of the rubber strips, a hole is actually formed, which causes the problem of water leakage and air leakage. The corners of the rubber strips of the system doors and windows are continuous, and the break point is at the middle position of the upper part where water is not easy to enter. The thicker rubber strips are difficult to bend at 90 degrees, and the L-shaped rubber corners are used to connect, which fundamentally solves the problem of water seepage of the rubber strips. .
There are many differences such as this, from which we can see the difference in materials, technology, performance and price system between system doors and windows and ordinary doors and windows.
Simply put, in order to make system doors and windows, there should be goals set in advance. Therefore, system doors and windows cannot be simply equated with energy saving and high performance. System doors and windows are a perfect organic combination of performance systems.
So what is the difference between system doors and windows and ordinary doors and windows?
1. Stability and performance
The system doors and windows have their own independent technical department, which will conduct strict tests and inspections on the various components of the system doors and windows, so the various components are very well matched and are not prone to failure, which is what we often say is good stability. Ordinary doors and windows are assembled by ordering different parts according to their own needs, but some problems will occur in the process of use, and the stability is relatively poor. After 2 to 3 years of research and development of system doors and windows, the materials, the performance and quality of the entire doors and windows have been comprehensively tested, and the mature products have been launched after reaching the expected goals. Ordinary doors and windows are temporarily integrated door and window products for a single project, and they are often not fully tested.
2. Flexibility
The various parts of the doors and windows of the system have been fixed according to different performances. The room for selection is relatively small compared with ordinary doors and windows, so the flexibility is small. Ordinary doors and windows can be flexibly configured with their own components according to their needs. The system doors and windows are serialized and standardized products. The slot structure and material supply are highly exclusive and incompatible. The series can only be selected according to the needs of the project. Generally, independent projects will not be developed. Ordinary door and window materials can be selected by domestic and foreign manufacturers, or they can be opened temporarily, which is flexible.
3. Software aspect
While providing products, system doors and windows also provide design software, design manuals, procurement manuals, processing manuals, professional special equipment and technical service support, which is a complete industrial chain. The quality of ordinary doors and windows depends on the level of designers and the processing and installation capabilities of door and window companies.
4. After-sales service
The warranty period of system doors and windows is longer than that of ordinary doors and windows. In addition to the engineering warranty of the door and window unit, the quality assurance of the system doors and windows also includes the system company’s product warranty. In addition, the brand store can carry out simple repairs. Ordinary doors and windows often have no after-sales service, and the owners do not know who to call for repairs after the doors and windows fail.
