Golden Aluminum Foil for Flexible Duct
The alloys of aluminum foil for flexible duct are usually 1000 series, 3000 series and 8000 series. The main alloy grades of aluminum foil are 1100, 1200, 8011, etc. Learn more.
There is a material that is most easily overlooked, the “end connection pipe”, which connects the fresh air duct with the indoor air outlet, allowing air to enter or exhaust smoothly in the room to achieve the purpose of air circulation replacement.
Aluminum foil flexible duct has good flexibility, which can be easily bent and installed, and can adapt to different installation environments. The aluminum foil on its surface has good fire resistance, which can improve the safety of the pipeline. In addition, the weight of the aluminum foil hose is relatively light, which is convenient for transportation and installation. It also has good corrosion resistance, which can resist the erosion of some corrosive media, and prolong the service life.
Aluminum foil can be surface coated, and golden aluminum foil is usually used for ventilation hoses. The main alloy grades of aluminum foil are 1100, 1200, 8011, etc. Aluminum foil must have good formability. Its structure and performance must be uniform, with few metallurgical defects and small anisotropy. At the same time, it requires high strength, good ductility, uniform thickness and good flatness.
The alloys of aluminum foil are usually 1000 series, 3000 series and 8000 series. Check the quality of raw materials to ensure that their surface is flat and free of impurities. Trim or remove raw materials that do not meet the requirements.
To ensure the quality of aluminum foil tube, the difference of aluminum foil should be controlled accurately. It refers to the thickness difference in the rolling direction and the thickness difference along the width direction, which is usually referred to as the longitudinal thickness difference and the transverse thickness difference. It is one of the important indicators of aluminum foil. Minimizing the thickness difference of aluminum foil is the requirement for high-speed rolling of aluminum foil rolling mills.
The thickness difference of golden aluminum foil directly reflects the rolling technology level, equipment level and control level of the aluminum foil production plant. In order to control the thickness of aluminum foil during rolling, the actual thickness of aluminum foil during rolling must be accurately and quickly measured, and the thickness deviation must be timely controlled and corrected according to the measurement results to obtain the minimum thickness of aluminum foil.
In the production process, the parameters of the rollers affect the surface gloss of the aluminum foil mainly in two aspects: the roughness of the rollers and the grinding wheel for grinding the rollers. Due to the characteristics of aluminum foil rolling, the gloss of the aluminum foil in the rolling direction will be higher than the gloss value in the perpendicular rolling direction.
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