Now the decoration concept advocates "low carbon, environmental protection and energy saving". With the continuous improvement of the quality of life, the decoration of doors and windows should also conform to the concept of environmental protection. In recent years, bridge broken aluminum doors and windows are loved by many users, and they are also energy-saving and environmental protection doors and windows designated by Beijing Construction Committee. The structure of the broken bridge aluminum doors and windows is combined with the environmental protection of wooden windows and the firmness and safety of iron windows and steel windows. The common feature of heat preservation and energy saving of plastic steel doors and windows is composed of two different sections through energy-saving and heat insulation strips. The energy-saving and heat-insulating strips are also called nylon strips. Their main function is to cut off the heat transfer in the middle and prevent the rapid or slow heat transfer of cold and heat. Its structure is more complex than ordinary aluminum doors and windows, and the cost is higher. Ordinary color aluminum has no heat insulation strip, no heat preservation and no energy saving. It just pastes on the surface.
Technical requirements for assembly of bridge broken aluminum doors and windows and ordinary color aluminum doors and windows: the bridge broken aluminum doors and windows are cut into 45 degree angles through the wall thickness of 1.4mm or more, and the special plug-ins of more than 3mm are used at the corner to assemble complete sets of equipment through the doors and windows. Extrusion positioning, and ordinary doors and windows are made of ordinary angle aluminum of about 1 mm, which is connected by rivets. Its firmness and safety are poor, but the cost is low. And the assembled color broken bridge aluminum doors and windows adults stand on the walk will not have a problem. There is a great difference in technical requirements between those assembled by complete sets of equipment and those assembled by manual operation on site. It is impossible to compare the special type of bridge breaking aluminum profile with that of ordinary aluminum profile.
The broken bridge aluminum doors and windows must be customized by the aluminum manufacturer's professional production cycle. The surface color treatment is professional and technical, and the service life is permanent. However, the ordinary color aluminum doors and windows are only made of any common aluminum material, without professional treatment to paint their own color. The technical treatment is not professional enough for aluminum manufacturers, and the coating effect and service life will not be very good If it is too long, the color will fade, which is called cowhide gland. Therefore, the production cycle of bridge broken aluminum doors and windows is long, while that of ordinary color aluminum doors and windows is short.
The section wall thickness of aluminum alloy doors and windows with broken bridge strictly follows the national standard. The wall thickness must be more than 1.4mm, because the wall thickness is related to the assembly technology and the safety of the door and window. However, the wall thickness requirements of ordinary color aluminum doors and windows are not very strict, which is generally determined according to the market and the interests of processing doors and windows field, generally about 1.0 mm.
The broken bridge aluminum window glass must be hollow glass 5mm + 9A + 5mm double-sided tempered, while ordinary color aluminum is generally single living glass, so the effect of sound insulation and heat preservation is good.
The design of broken bridge aluminum doors and windows is different from that of ordinary aluminum doors and windows. The design pattern of broken bridge is atmospheric, the lighting is transparent, and it is designed according to different spaces, while the ordinary aluminum doors and windows can only be designed according to the conventional design. The design of opening window of bridge breaking window is large design, special-purpose broken bridge aluminum casement window hardware, while ordinary aluminum is any kind of hardware can be used, which is not beautiful.
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