What are the requirements for the structural design of uPVC profiles

The intrinsic quality of uPVC profiles and their rational structural design are the prerequisites for the manufacture of high-performance plastic windows.

First of all, it is necessary to have a good formula, high-quality raw materials and advanced production technology to ensure the quality of the profile. In addition, from the structure of the profile, there are single-cavity and multi-cavity PVC plastic profiles. Its inner cavity can be designed with ribs, ribs, bosses, etc. The cavity can be divided into double cavities, three cavities or multiple cavities, so on the one hand, it can play a better role in thermal insulation. On the other hand, each cavity can be used for different purposes, some are used to fix the steel lining to improve its rigidity, some are used to set up a drainage cavity, some inner ribs can prevent deformation of the profile, and some inner ribs can improve the profile. rigidity. Increase the moment of inertia of the large profile, and improve the impact resistance of the profile.

Most of the domestic profiles of uPVC profiles copy the European profile structure. However, due to the limitation of market acceptance, the wall thickness is reduced, which will inevitably affect the quality of the finished window. The economical pure American window is difficult to adapt to the domestic market demand in China due to the actual situation of processing, installation and use. Therefore, it is required to combine the characteristics of European and American profiles. It is imperative to digest and absorb and develop profiles suitable for China's national conditions. In this regard, our company has made a bold attempt. While retaining the advantages of the American profile section. It absorbs some advantages of European-style profiles, and uses its complex structure to make up for the increase of its inertia moment by the wall thickness. In addition, from the design point of view, the profiles should also fully consider several properties such as watertightness, airtightness, and wind pressure resistance.

The overall quality of uPVC profiles is greatly affected by the quality and installation accuracy of hardware accessories. Due to the different shapes and sizes of profile systems of PVC plastic door and window profiles in domestic enterprises, hardware accessories cannot be unified. The production batch of each variety of uPVC profiles cannot be very large, and it is difficult to form a scale effect, so we also have certain requirements for uPVC profiles.