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Bridge-cut aluminum window


The bridge-cut aluminum doors and windows are made of heat-insulated bridge-cut aluminum profiles and insulating glass, which have the functions of energy conservation, sound insulation, noise prevention, dust prevention and water prevention.

keywords:

bridge-cut

Category:

Broken bridge aluminum window

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    • Commodity name: Bridge-cut aluminum window
    • Commodity ID: 1051924654295179264

    The bridge-cut aluminum doors and windows are made of heat-insulated bridge-cut aluminum profiles and insulating glass, which have the functions of energy conservation, sound insulation, noise prevention, dust prevention and water prevention.

    The bridge-cut aluminum doors and windows are made of heat-insulated bridge-cut aluminum profiles and insulating glass, which have the functions of energy conservation, sound insulation, noise prevention, dust prevention and water prevention. The thermal conductivity K value of bridge-cut aluminum doors and windows is below 3W/m2 • K, which is half less than the heat loss of ordinary doors and windows, reduces the heating cost by about 30%, and the sound insulation reaches more than 29 dB. The water tightness and air tightness are good, and both meet the national standard for Class A1 windows.

    Foam sandwich panel is a kind of plastic material composed of a double-layer formed metal plate and a mature polymer thermal insulation inner core that is directly fired in the middle of the panel. The inner filling uses the alveolar molecular structure to prevent moisture condensation, so it has the advantages of high efficiency, light weight and easy installation. Its flame retardant and noise isolation functions are very popular in buildings and interior decoration.

    As a common material, foam sandwich panel must be superior to other materials. Its main characteristics are as follows.

    1. Beautiful, foam sandwich panel has quite distinct lines and dozens of colors. It is not only used for building materials, but also can meet the decoration needs of various styles as decoration.

    2. As the main materials for fire protection are thermal insulation or non combustible and flame retardant materials, foam sandwich panels can meet the fire protection specifications and requirements. At the same time, the surface can be used for 10 years after special layer treatment, and it can be used for a longer time if the anti-corrosion paint can be sprayed regularly.

    3. It is easy to install. As mentioned above, the foam sandwich panel is light in weight and less than 24kg per square meter after installation. Light weight, plug can be cut freely during installation, which can improve efficiency and save construction time.

    4. With strong plasticity, foam sandwich panels can be cut at will to meet the decoration and building needs of various environments.

    5. High strength, foam sandwich panel is made of high-strength steel plate as the basic material, with high tensile resistance, roll forming design, and excellent structural performance.

    6. The commonly used thermal insulation materials for thermal insulation and insulation include polystyrene, asbestos, polyurethane, glass fiber cotton, etc. The thermal insulation and insulation effect is quite good.

    In conclusion, foam sandwich panel gives full play to the unique performance of rock wool core, and has significant significance in fire prevention, thermal insulation, sound absorption and sound insulation. In addition, its production process uses factory automation equipment to realize the integration of rock wool and steel plate, changing the previous way of on-site composite of rock wool plate, and meeting the requirements of building thermal insulation, sound insulation, fire prevention, etc.

    Key words:
    • bridge-cut
  • The bridge-cut aluminum doors and windows are made of heat-insulated bridge-cut aluminum profiles and insulating glass, which have the functions of energy conservation, sound insulation, noise prevention, dust prevention and water prevention. The thermal conductivity K value of bridge-cut aluminum doors and windows is below 3W/m2 • K, which is half less than the heat loss of ordinary doors and windows, reduces the heating cost by about 30%, and the sound insulation reaches more than 29 dB. The water tightness and air tightness are good, and both meet the national standard for Class A1 windows.

    Classification:

    1. According to the opening mode, it can be divided into fixed window, upper hanging window, middle hanging window, lower hanging window, vertical rotating window, casement window, pulley casement window, pulley window, casement window, sliding door window, sliding casement window, folding door, floor spring door, lifting sliding door, sliding sliding sliding door, and sliding door.

    2. According to performance, it is divided into ordinary doors and windows, sound-insulated doors and windows, and thermal insulation doors and windows.

    3. It is divided into internal doors and windows and external doors and windows according to the application position.

    4. Classification by brand: Germany Xinlin plastic steel doors and windows, Skart doors and windows, Shide doors and windows, Conch doors and windows, Wu Zhitao doors and windows, Haojiaxi doors and windows.

    5. Classified by manufacturer: Shenghai doors and windows, Gothic doors and windows, Gujia doors and windows, Baozhuan doors and windows, Jiajiawang doors and windows, Emperor doors and windows, etc.

    Casement window:

    The advantages are large opening area, good ventilation, good sealing, sound insulation, heat preservation, and excellent impermeability. The inward-opening window cleaning is convenient; The open type does not take up space when opening. The disadvantage is that the window width is small and the view is not wide. The opening of the external window takes up a space outside the wall, which is easy to be damaged in the strong wind; The interior window takes up part of the indoor space, and it is not convenient to use the screen window. It is also not convenient to use the screen window and curtain when opening the window. If the quality is not up to standard, it may also seep rain.

    Sliding window:

    The advantages of sliding window are simple and beautiful, large window width, large glass block, wide field of vision, high daylighting rate, convenient glass cleaning, flexible use, safe and reliable, long service life, open in a plane, less space, convenient screen installation, etc. At present, the most widely used is the sliding window. The disadvantage is that the two windows cannot be opened at the same time, only half of them can be opened at most, and the ventilation is relatively poor; Sometimes the sealing is also slightly poor. Sliding window: divided into left and right, up and down. Sliding windows have the advantages of not occupying indoor space, beautiful appearance, economic price and good sealing. High-grade slide rail is adopted, which can be opened flexibly with a slight push. With large pieces of glass, it not only increases the indoor lighting, but also improves the overall appearance of the building. The stress state of window sash is good and not easy to be damaged, but the ventilation area is limited.

    The upper hanging window is a kind of aluminum alloy and plastic steel window that appeared later. It is a new form developed on the basis of casement windows. It can be opened in two ways, either horizontally or from the top. When the casement window is closed, pull the upper part of the window inward to open a gap of about 10 cm. That is to say, the window can be opened a little from above. The open part is suspended in the air and connected with the window frame through hinges, etc., so it is called the hanging type. Its advantages are that it can not only ventilate, but also ensure safety. Because of the hinge, the window can only be opened with a ten-centimeter gap, and cannot be reached out by hand. It is especially suitable for use when there is no one at home. Recently, this function is not only limited to the casement windows, but also the sliding windows can be opened by hanging up.

    Upper suspension type:

    The upper hanging window is a kind of aluminum alloy and plastic steel window that appeared later. It is a new form developed on the basis of casement windows. It can be opened in two ways, either horizontally or from the top. When the casement window is closed, pull the upper part of the window inward to open a gap of about 10 cm. That is to say, the window can be opened a little from above. The open part is suspended in the air and connected with the window frame through hinges, etc., so it is called the hanging type. Its advantages are that it can not only ventilate, but also ensure safety. Because of the hinge, the window can only be opened with a ten-centimeter gap, and cannot be reached out by hand. It is especially suitable for use when there is no one at home. Recently, this function is not only limited to the casement windows, but also the sliding windows can be opened by hanging up.

    Side hung door:

    There are single swing door and double swing door: single swing door refers to only one door panel, while double swing door has two door panels. The swing door can be divided into one-way opening and two-way opening. One-way opening means that the door can only be opened in one direction (only push in or pull out). Two-way opening means that the door leaf can be opened in two directions (such as spring door). The swing door is divided relative to other opening methods, because the door also has mobile opening, up-turning, roller shutter lifting, vertical lifting, rotary and so on.

    Sliding door:

    Sliding doors originated in China and spread to Korea and Japan through Chinese culture. Literally: push and pull the door; In terms of materials, there are wood, metal, organic and inorganic materials; In terms of purpose: it is used for bookcase, wall cabinet, bedroom, living room and display hall door. Sliding doors originated in China and spread to Korea and Japan through Chinese culture. The specific time cannot be verified, but we can see scattered sliding doors in some ancient Chinese paintings, such as the landscape paintings of the Song Dynasty. The original sliding door was only used for the sliding door of the wardrobe in the bedroom or dressing room. However, with the development of technology and the diversification of decoration methods, the function and scope of the sliding door are expanding from the traditional plate surface to glass, cloth art, rattan weaving, aluminum alloy profiles, from sliding doors, folding doors to partition doors. In this case, the use of sliding doors began to become diverse and rich. In addition to the most common partition doors, sliding doors are widely used in bookcases, wall cabinets, living rooms, exhibition halls, sliding doors, etc.

    Advantages of bridge-cut aluminum doors and windows:

    ⊙ Reduce heat conduction: the thermal insulation bridge-cut aluminum alloy profile is adopted, and its heat conduction coefficient is 1.8~3.5W/m2 • k, which is much lower than the common aluminum alloy profile 140~170W/m2 • k; The insulating glass structure is adopted, and its thermal conductivity coefficient is 2.0~3.59W/m2 • k, which is significantly lower than that of ordinary aluminum alloy profiles 6.69~6.84W/m2 • k, effectively reducing the heat transmitted through doors and windows.

    ⊙ Prevention of condensation: the temperature of the inner surface of the profile with heat insulation strip is close to the indoor temperature, reducing the possibility of indoor moisture condensation on the profile surface due to supersaturation.

    ⊙ Energy saving: in winter, the window frame with heat insulation strip can reduce the heat lost through the window frame by 1/3; In summer, if there is air conditioning, the window frame with heat insulation strip can reduce the energy loss more

    ⊙ Environmental protection: through the application of thermal insulation system, energy consumption can be reduced, and environmental radiation generated by air conditioning and heating can be reduced.

    ⊙ Good for health: heat exchange between human body and environment depends on indoor air temperature, air flow speed and outdoor air temperature. The most comfortable environment has been reached by adjusting the indoor temperature of doors and windows to make it not lower than 12~13 ℃.

    ⊙ Noise reduction: adopt hollow glass structure with different thickness and insulating bridge-cut aluminum profile cavity structure, which can effectively reduce the resonance effect of sound waves, prevent the transmission of sound, and can reduce the noise by more than 30dB.

    ⊙ Colorful and colorful: aluminum profiles of different colors can be produced after anodizing, powder spraying and fluorocarbon spraying surface treatment. After rolling combination, thermal insulation aluminum alloy doors and windows can be produced into indoor and outdoor dual-color windows of different colors.

    Technical performance of bridge-cut aluminum doors and windows:

    1. The bridge cutoff aluminum doors and windows have good thermal insulation. The frame adopts the soft combination of the inner and outer frame of the thermal insulation profile, and the frame adopts the three-seal form of one rubber strip and two wool strips, which is tightly closed, with excellent air tightness, water tightness and thermal insulation performance; The window sash adopts insulating glass structure, which makes the window truly show excellent sound insulation, heat insulation, heat preservation and function, and saves a lot of heating and cooling costs. The heat transfer coefficient K is tested to be less than 2.23-2.94w/2K, which has significant energy saving effect. The energy saving cost of several years is enough to make up for the previous investment.

    2. Waterproof function of bridge-cut aluminum doors and windows. The structural drainage system is designed based on the principle of pressure balance, and the slope ladder type is designed for the sliding slope. The drainage is smooth and the water tightness is good.

    3. Bridge cutoff aluminum doors and windows shall be protected from condensation and frost. The bridge-cut aluminum profile can realize the three-way sealing structure of doors and windows, reasonably separate the water vapor cavity, successfully achieve the gas-water isobaric balance, significantly improve the water tightness and air tightness of doors and windows, and achieve the effect of clean and bright windows.

    4. Design of anti-mosquito screen for aluminum doors and windows of bridge cutoff. Invisible screen window, which can be installed and used internally and externally, has mosquito and fly prevention, especially suitable for mosquito areas in the north.

    5. Anti-theft and anti-loosening device for bridge-cut aluminum doors and windows. It is equipped with standard hardware locks to ensure the stability and safety of windows in use.

    6. Anti-noise and sound insulation of bridge-cut aluminum doors and windows. Its structure has been carefully designed and its joints are tight. The test results show that the air sound insulation reaches 30-40 db, which can ensure that residents within 50 meters on both sides of the highway are not disturbed by noise, and the adjacent downtown can also ensure indoor peace and warmth.

    7. Fireproof function of bridge-cut aluminum doors and windows. The aluminum alloy is made of metal, and the heat insulation strip is made of PA66+GF25 (commonly known as nylon heat insulation strip), which is incombustible and has good heat resistance.

    8. Bridge cutoff aluminum doors and windows, wind sand and wind pressure resistance. The straight material of the inner frame adopts hollow design, with strong anti-wind pressure deformation ability and good anti-vibration effect. It can be used in high-rise buildings and civil residences, and can be designed with large area window type and large lighting area; The air tightness of this kind of window is better than that of any aluminum or plastic window, and it can ensure that there is no dust on the indoor windowsill and floor in windy and dusty areas.

    9. The bridge-cut aluminum doors and windows have high strength and are not deformed, and are maintenance-free. The bridge-cut aluminum window has high tensile and shear strength and resistance to thermal deformation. It is strong and durable, and the bridge-cut aluminum profile is not easy to be eroded by acid and alkali, and is not easy to turn yellow and fade. It is almost unnecessary to maintain.

    10. The bridge-cut aluminum doors and windows have various colors and are highly decorative. It can achieve different colors of interior and exterior surfaces of doors and windows, meet customers' preferences for color effect, aesthetic requirements of color gamut space, and meet the personalized design requirements of architects. The aluminum profile adopts streamlined design, with luxurious style.

    11. Bridge-cutting aluminum doors and windows are green building materials with circular economy. The bridge-cut aluminum doors and windows will not only produce harmful materials in the production process, but all materials can be recycled and reused. They are green building materials and environmental protection products, in line with human sustainable development.

    12. The bridge-cut aluminum doors and windows have many opening forms, which are comfortable and durable. There are horizontal opening type, inward tilting type, upward hanging type, push-pull type, horizontal opening type, inward tilting type and compound type, which are applicable to public buildings, residential areas and municipal engineering; High-quality hardware fittings are durable, the operating handle is humanized, beautiful and comfortable, easy to open and flexible, each use action has been tested, the number of fatigue tests has reached tens of thousands of times or more, the sliding is easy and silent, the mature and perfect door and window processing technology, the high-precision program control processing center for production, and the quality is stable and guaranteed.

    The outstanding advantages of thermal insulation bridge-cut aluminum alloy doors and windows are high strength, good thermal insulation, good rigidity, good fire resistance, large lighting area, good atmospheric corrosion resistance, high comprehensive performance, long service life, and good decoration effect. The use of high-grade bridge-cut aluminum alloy doors and windows is the preferred product for high-end building windows.

    Materials used: The thickness, strength and oxide film of the aluminum profiles used for high-quality aluminum alloy doors and windows should comply with the relevant national standards. The wall thickness of the inelastic assembly structure of the window should be more than 1.4 mm, and the wall thickness of the inelastic assembly structure of the door should be more than 2.0 mm. The tensile strength should reach 157 N/mm2, the yield strength should reach 108 N/mm2, and the oxide film thickness should reach 10 microns. If the above standards are not met, they are inferior aluminum alloy doors and windows, which cannot be used.

    Look at the processing: high-quality aluminum alloy doors and windows, with fine processing, exquisite installation, good sealing performance and easy opening and closing. Poor quality aluminum alloy doors and windows, blindly selecting aluminum profile series and specifications, rough processing, sawing instead of milling, not installed according to the requirements, poor sealing performance, not easy to open and close, not only air and rain leakage and glass cracking, but also strong wind and external force, easy to push and pull parts or glass off or touch, damage and injury.

    Look at the price: In general, high-quality aluminum alloy doors and windows are about 30% more expensive than low-quality aluminum alloy doors and windows because of their high production costs. Some aluminum alloy doors and windows made of aluminum profiles with a wall thickness of only 0.6-0.8 mm have tensile strength and yield strength significantly lower than the relevant national standards and regulations, which is very unsafe to use.

    In addition, it is better to select the products of regular aluminum alloy door and window manufacturers. Products that are not processed and produced according to the standard are not easy to reach the standard.

    Selection of bridge-cut aluminum door and window profiles:

    A. Profile wall thickness: generally for home decoration products, most of the door and window factories choose products with high yield, that is, products with thin wall thickness, to reduce the cost. For example, the 1.3 thickness produced by Ruida is lower than the national standard. According to the national standard, the thickness of profile shall be greater than or equal to 1.4mm.

    B. Thermal insulation strip: the thermal insulation strip is the most critical part of the bridge-cut aluminum profile, and PA66 nylon must be used, which is stipulated by the national standard. But at present, many manufacturers in the decoration market use cheap PVC plastic thermal insulation strip, which will seriously affect the service life and safety of the product.

    C. Try to use the original products of the original factory, not the products of secondary spraying and self threading. Most of the products that can let customers choose the color of profiles at will are the products of secondary spraying and self threading. The product quality cannot be compared with the original products of the original factory.

    Selection of bridge-cut aluminum door and window hardware:

    To select high-quality hardware, the manufacturer must take the goods directly from the hardware manufacturer. There are many fake products in the market.

    Introduction to bridge-cut aluminum door and window profiles

    There are two main production methods of thermal insulation profile. One is to use thermal insulation strip material and aluminum profile to form "thermal insulation bridge" through mechanical tooth opening, threading, rolling and other processes, which is called "threading type" of thermal insulation profile; The other is to pour the thermal insulation material into the thermal insulation cavity of the aluminum alloy profile, and form the "thermal insulation bridge" after curing, removing the broken bridge metal and other processes, which is called the "cast" thermal insulation profile.

    The inner and outer sides of the thermal insulation profile can be profiles with different cross sections or different color profiles with different surface treatment methods. However, due to the influence of region and climate, the large gap between the thermal insulation material and the aluminum profile due to the large difference in the linear expansion coefficient shall be avoided; At the same time, thermal insulation materials and aluminum profiles are combined into one body. In the structure of doors and windows and curtain walls, they also bear the same force as aluminum. Therefore, the thermal insulation material must also have the tensile strength, bending strength, expansion coefficient and elastic modulus close to the aluminum alloy profile, otherwise the thermal insulation bridge will be disconnected and damaged. Therefore, the selection of thermal insulation materials is very important.

    Selection of bridge-cut aluminum door and window glass:

    High quality insulating glass is preferred. The original piece is float glass, and the standard thickness is 5mm. The thickness of aluminum and strip between two pieces of glass is between 12mm-15mm. This should be set according to the specifications of door and window profiles. The area of insulating glass of doors and windows is more than 1.5 square meters, which needs to be tempered. It is produced by formal professional glass processing enterprises, and the more reliable manufacturers in Tianjin include Baitai, etc.

    Specification of rubber strip for bridge-cut aluminum doors and windows: the rubber strip shall be imported EPDM products with a service life of 30 years, and the service life of inferior products is only about 5 years. Silicone weatherproof adhesive shall be used for sealant.

    Distinguish the authenticity of rubber strips: look, smell and stretch. The color of the genuine adhesive strip is pure black, the surface is free of bumps, and the density is good. Smell: normal rubber smell. The smell should be neither pungent nor strong. Stretch: strong tensile force, elastic, not easy to break.

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