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Electrostatic Spraying On The Surface Of Aluminium Sheet
Jul 06, 2017


Aluminum plate, refers to the use of pure aluminum or aluminum alloy material through pressure processing (cut or sawing) to obtain a cross-section of rectangular, uniform thickness of the rectangular material. The international custom to put the thickness at 0.2mm above, 500mm below, 200mm width above, Aluminum Sheet the length of 16m aluminum material is called aluminum sheet or aluminum sheet, 0.2mm below for the aluminum foil, the 200mm width of the material or material (of course, with the progress of large equipment, the widest can be done in 600mm of the platoon is also more).

Aluminum plates are usually divided into the following two types:

1. Divided by alloy components:

High-purity aluminum plate (from 99.9 above the content of high purity aluminum rolling)

Pure aluminum plate (composed of pure aluminum)

Alloy aluminum plate (made of aluminum and auxiliary alloys, Aluminum Sheet usually with aluminum, copper, aluminum, silicon, aluminum, magnesium, etc.)

Composite aluminum sheet or Shan welded plate (for special purpose aluminum sheet materials by means of a plurality of materials)

Aluminium aluminum sheet (aluminum sheet coated with thin aluminum sheet for special use)

2. According to the thickness: (unit mm)

Sheet (aluminum sheet) 0.15-2.0

Conventional Board (aluminum sheet) 2.0-6.0

Medium plate (aluminum plate) 6.0-25.0

Thick plate (aluminum plate) 25-200

Five bar Pattern Aluminum plate

Ultra-thick board more than 200

Aluminum Plate Use

1 Lighting 2, solar reflective film 3, architectural appearance 4, interior decoration: ceiling, wall, etc. 5, furniture, cabinets 6, elevators 7, signs, nameplate, bags 8, car interior decoration 9. Indoor decorations: such as frame 10, household appliances: refrigerators, microwave ovens, audio equipment, etc. 11. Aerospace and military aspects, such as China's large aircraft manufacturing, Shenzhou spacecraft series, satellite and so on. 12, Aluminum Sheet mechanical parts processing 13, mold manufacturing 14, chemical/insulation pipe coating.

The aluminum plate is the thickness of the 0.2mm above to 500mm, 200mm width above, the length of 16m within the aluminum material is called aluminum sheet or aluminum sheet, 0.2mm below for aluminum, 200mm width of the material or bar (of course, with the progress of large equipment, the widest can be done in 600mm of the platoon is also more). Aluminum plate refers to the use of aluminum ingot rolling processing of rectangular plate, Aluminum Sheet divided into pure aluminum plate, alloy aluminum plate, thin aluminum plate, thick aluminum plate pattern aluminum plate. Aluminum plate is widely used in construction, packaging, air-conditioning, refrigerators, solar energy, cosmetics and other industries, can also be used in power plants, chemical and petrochemical plant anti-corrosion insulation and so on.

The aluminum plate used in the building includes a single-layer aluminum plate, composite aluminum plate and other materials, usually refers to a single layer of aluminum (also known as single aluminum plate or pure aluminum plate), more used in building decoration engineering, in recent years in the aluminum sheet wall of the single layer of aluminum plate used more. Aluminum curtain wall is also a form of curtain wall, simply said that the use of aluminum to replace glass curtain wall, aluminum curtain wall is used for wall cover and no light walls. such as the Guangzhou World Trade Center, the use of the Southwest Aluminum processing plant plate factory with different radian of nearly 150 tons of aluminum, surface using electrostatic spraying. Aluminum curtain wall in foreign countries has been using single layer aluminum plate. Single-layer aluminum plate general use of pure aluminum. Aluminum plate thickness of 3mm, in order to strengthen the aluminum plate surface strength, Aluminum Sheet in the back of the aluminum plate, the reinforcement must be installed (now some manufacturers are uneasy), reinforced with thick aluminum strips, first with a flash welder to weld the nut on the back of the aluminum plate and then make the reinforced bar of the aluminum drill hole sleeve into the screws, fixed with screws. In order to reduce the weight of aluminum plate, increase the strength of aluminum plate, we use aluminum alloy plate, often choose 21st rust-proof Aluminum code LF21 pressure into aluminum plate for curtain wall aluminum. The thickness of aluminum sheet is reduced from 3mm to 2.5mm, the strength of the alloy is about 1 time times higher than that of pure aluminium. Reinforced with LF21 aluminum strip, the width of the aluminum strip according to the aluminum plate surface, general thickness 2-2.5mm, Wide 10-25mm. Aluminum plate curtain wall of aluminum plate back why to strengthen the tendons, is in the external positive and negative pressure situation, the aluminum plate will not sag, two will not bulge, so as to avoid the aluminum plate wall repeatedly vibration and vibration sound. If the need for sound insulation, can be inside the aluminum plate, placing rock wool, slag cotton or foaming treatment. The first aluminum plate curtain wall Manufacturers in China, Chongqing Southwest Aluminum deep-processing Plant, the factory for military manufacturers, the production of aluminum plate width can reach 2.8 meters. Curtain wall Aluminum surface treatment, can be divided into two methods, one is anodic oxidation, the other is electrostatic spraying. Anodic oxidation of the oxide film in general 12μ above, the color only bronze and white two kinds, the color monotonous, more serious disadvantage is each piece of aluminum plate surface color varies, many pieces of wall panels together to form a curtain wall overall effect is very ugly. This shortcoming can be said to be impossible to eliminate, not the production technology, but because the aluminum plate is not by a batch number, chemical composition, there are small differences, coupled with the oxidation of the cell current density and other factors can not be exactly the same, so the color of the oxidation of the number of differences, the single picture may not be obvious, if all lined up is very obvious. therefore aluminum plate curtain wall aluminum plate surface treatment, must not use anodic oxidation.