Bridge-cutoff aluminum alloy doors and windows it is often heard when we buy doors and windows. Maybe many people know aluminum alloy doors and windows, but what does this broken bridge mean? Maybe many people don't know very well. Secondly, what is aluminum alloy doors and windows? Don't worry, nine Zheng below door and window net let's explain it to you. Let's have a look.
Aluminium windows what does a broken bridge mean?
In fact, it is not much different from aluminum alloy doors and windows in appearance. The difference is its "Broken Bridge" technology, which is easy to understand and is heat insulation technology. Breaking a bridge means blocking heat. All metals have thermal conductivity. When making windows, the thermal conductivity of aluminum alloy itself is not very good, which means that it will not be insulated in summer or in winter. In this case, we need to break the bridge technology, which is to separate the middle of aluminum alloy with some materials that are not easy to conduct heat and then connect them, thus reducing the thermal conductivity. This practice is called Broken Bridge aluminum.
The "bridge" in the name Broken Bridge aluminum "refers to the" hot and cold bridge "in the sense of material science, while the word" broken "indicates action, that is," breaking the hot and cold Bridge ".
Specifically, because aluminum alloy is a metal, the heat conduction is relatively fast, so when the indoor and outdoor temperatures differ a lot, aluminum alloy can become a "bridge" that transfers heat. Such materials are made into doors and windows, its thermal insulation performance is not good. However, broken bridge aluminum disconnects the aluminum alloy from the middle. It uses hard plastic to connect the disconnected aluminum alloy into one. We know plastic the heat conduction is obviously slower than that of metal, so it is not easy for heat to pass through the whole material, and the heat insulation performance of the material becomes better. This is the origin of the name "Broken Bridge aluminum (alloy).
Generally speaking, the cross section of broken bridge aluminum is three cavities, that is, the cavity in the middle is empty, the cavity on both sides is aluminum alloy, and there is a black plastic insulation band in the middle, it is the insulating plastic in the middle, which separates the indoor and outdoor heat.
What is aluminum alloy doors and windows?
Alloy density is low, but strength is relatively high, close to or over high quality steel, good plasticity, can be processed into various profiles, with excellent electrical conductivity, thermal conductivity and anticorrosion, widely used in industry, the usage is second only to steel. Some aluminum alloys can use heat treatment to obtain good mechanical properties, physical properties and corrosion resistance. Hard aluminum alloy AI-Cu-Mg series, generally containing a small amount of Mn, which can be strengthened by heat treatment. It is characterized by high hardness but poor plasticity. Ultra-hard aluminum belongs to Al-Cu-Mg-Zn series, which can be strengthened by heat treatment and is the aluminum alloy with the highest strength at room temperature. However, it has poor corrosion resistance and fast softening at high temperature. Forged aluminum alloy is mainly Al-Zn-Mg-Si series alloy. Although there are many kinds of elements added, the content is small, so it has excellent thermoplastic and is suitable for forging, so it is also called forged aluminum alloy.
Doors and windows using aluminum alloy extruded profiles refer to doors and windows made of aluminum alloy extruded profiles as frames, mullions and fans, which are called aluminum alloy doors and windows, which are referred to as aluminum doors and windows for short. Aluminum alloy doors and windows include wood and plastic composite doors and windows with aluminum alloy as the base material of stressed bars (bars that bear and transmit self-weight and load), referred to as aluminum Wood composite door windows, aluminum-plastic composite doors and windows.
The quality of aluminum alloy doors and windows can be roughly judged from the aspects of material selection of raw materials (aluminum profiles), surface treatment of aluminum and internal processing quality, price of aluminum alloy doors and windows, etc.
Aluminium windows is a window with frame and fan structure made of aluminum alloy building profiles, which is divided into ordinary aluminum alloy doors and windows and bridge-cutoff aluminum alloy doors and windows. Aluminium windows has beautiful appearance, sealing and high strength, and is widely used in the field of construction engineering. In home decoration, aluminum alloy doors and windows are commonly used to encapsulate balconies.
Aluminum alloy surface is bright and shiny after oxidation. Casement large frame and insertable large area of glass make the indoor light bright and bright, enhance the contrast between the facade and the facade between indoor and outdoor, and make the room more layered. Aluminum Alloy itself is easy to squeeze, the cross section size of the profile is accurate, and the processing accuracy is high. Therefore, many owners choose to use aluminum alloy doors and windows in the decoration.
The advantage of ordinary aluminium windows is that it has good weather resistance and aging resistance. (Disadvantages) thermal insulation is not as good as other materials, and there are only two colors: white and tea. The advantages of plastic steel window are good sound insulation, heat insulation, fire resistance, air tightness, water tightness, corrosion resistance, heat preservation, etc. (Disadvantages) after all, it is a PVC plastic profile. After a long time, the surface will turn yellow and the form will be deformed, and the service life is 20-30 years. Broken bridge aluminum doors and windows the advantage is that more than 1.4 aluminum materials are added with insulation layer on all basis; It also has good sound insulation, heat insulation, fire resistance, air tightness, water tightness, corrosion resistance, heat insulation, maintenance-free, etc; it is a metallic aluminium profile that can be used for a long time and does not fade. (Disadvantages) the price of aluminum is expensive and the manufacturing cost is relatively high.
In terms of cost performance, it will not be selected under normal circumstances. Wooden window aluminium windows with ordinary broken bridges, the most used materials are plastic-steel windows. The price of plastic-steel windows is generally between 150 and 600 yuan/square meter, which is acceptable to most people, the cost performance of plastic steel windows is the main factor of its hot selling; Broken Bridge alloy has only appeared in recent years new material, many of its properties can be compared with plastic steel, and it is more durable than plastic steel. The price is generally 400-1200 yuan/square meter, which is generally used for villas, high-end sun rooms, etc; only a few join the parade use Frameless Windows products, and the price of frameless windows is generally between 360-700 yuan/square meter.
The above is the introduction of what is the meaning of aluminium windows broken bridge and what aluminum alloy doors and windows are. I believe everyone should know about it after reading it. The content is for your reference only, I hope it can be helpful to everyone.
