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| What’s the roller coating process of an aluminum trim coil? |
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Posted by: 1-LVDCPN - 09-10-2018, 06:54 AM - Forum: aluminium faq
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rom the middle of the last century roll coating development, are mainly roller coating. The production of aluminum trim coil is made by the precision coating machine, which uniformly spreads the same thickness coating on the surface of the preprocessed aluminum trim coil, and uniformly enters the oven with the exhaust device, and roasts and solidifies by the infrared or hot air circulation. A complete roller coating film with a certain thickness is obtained by cross-linking the film at a specific temperature.
[img=300x0]http://www.aluminiumstrip-hm.com/wp-content/uploads/2017/06/Color-Coated-Aluminium4-300x300.jpg[/img]
Roller coating is the carrier of coating roller. Coating roller forms a wet film with a certain thickness on the surface of coating roller. The coating roller contacts with the coated object in the process of rotation to coat the coating surface. Roller coating is suitable for metal sheet coating, especially for high-speed coating of metal sheet. Roller coating requires good leveling, wetting and adhesion, a certain degree of hardness, flexibility and wear resistance, as well as good weather and stain resistance, baking and curing into film speed. Roller coating has the following characteristics:
With high-speed automatic painting operation, the painting speed is fast and the production efficiency is high. The linear speed is generally above 60m/min, and the highest is up to 244 m/min.
Paint does not produce fog, paint use rate close to 100%;
The film thickness can be controlled accurately and uniformly.
May be positive, reverse at the same time coating.
But the roller only ADAPTS to the plane coating, does not adapt to other forms of coating. Because the roller applicator adopts the unified paint circulation transportation and recovery system, the amount of paint input is large, which is not suitable for multi-variety and small-batch production. The coating is transferred to the coated surface by wet film on the surface of the coating roller, the solvent is volatile, the coating viscosity is easy to change in the process of roller coating, if the process conditions are not controlled properly, the film is easy to produce roller mark.
Baking coatings generally belong to thermosetting coatings (except for roller fluorocarbon coating). In a broad sense, the paint that must be baked to a specified temperature before it can be interlinked into a film is called baking paint. The baked coating is more rigid in molecular structure and superior in hardness, mechanical strength, durability and acid and alkali resistance.
Baking coatings are classified into two types according to baking temperature. Baking temperature at 100 ~ 150 ℃ for medium temperature baking coating; Baking temperature greater than 150 ℃ for high temperature baking paint. At present, aluminum coil coating is used for high – temperature baking paint.
After deep processing, products exposed to the outdoors for a long time are exposed to the wind, rain and rain, especially under the irradiation of ultraviolet light, which makes the coating fade and aging and decompose. In order to meet the requirements of the weather resistance of aluminum coils, the organic baking coating PVDF fluorocarbon coating with super weather resistance can be adopted.
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| What’s the difference between aluminum circles and aluminium circle trusses? |
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Posted by: 1-LVDCPN - 09-10-2018, 06:32 AM - Forum: aluminium faq
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The aluminum circle refers to round flat aluminum pieces used for production of cookware, lighting reflector and decorative parts. Also known as aluminum circlediscs, it boasts good corrosion resistance, excellent deep drawing property and long service life. There are mainly 1xxx aluminum circles and 3000 series aluminium circle discs, including 1050, 1060, 1070, 1100 and 3003 etc. 1000 differs from 3000 in that it has weaker strength and anti-rust ability. Even stronger alloys, such as 5xxx and above, are not suitable for the deep drawing process. In addition to properties, aluminum discs also have lower price than other metal materials of similar features.
![[Image: 012-300x300.jpg]](http://www.aluminiumstrip-hm.com/wp-content/uploads/2017/07/012-300x300.jpg) aluminum discs
An aluminum circle truss proves to be a totally different product. It’s actually a dimensional profile made of aluminum. Composed of a number of thin bent aluminium bars, aluminium circle trusses serve as frames in various occasions. If you plan to give a concert, for example, you will have to adopt them to support roof coverings of the site. They are made huge and high to hold as many audience as possible. They are also applied as overhead arches fixed together with names of a factory, village etc. The trusses can also be used as lamp frames suspended below the ceilings at home or hotels. As a kind of aluminium extrusion, aluminum circletrusses are usually of 6061-T6. Circle is the regular shape, but there are other shapes like heart, triangle, square and so on.
Normally aluminium circle discs and aluminum circle trusses come from different manufacturers. Haomei supplies aluminium circle discs of various specifications. Welcome to contact us at wade@haomeicn.com for more information!
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| What are the applications and processes of colored aluminum sheets? |
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Posted by: KamorkasOa - 09-07-2018, 07:46 AM - Forum: aluminium faq
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In recent years, colored aluminum sheets have received more demand in the industrial industry. Whether it is used as a material for door and window or decorative handicrafts, it is very competent, and aluminum metal also accounts for a large amount of reserves compared to other metals. Therefore, the construction industry, the electronics industry and lighting products are all in demand for color coated aluminum sheet coil.
![[Image: colored-aluminum-sheets.jpg]](http://www.thick-aluminum-plate.com/images/aluminumsheet/colored-aluminum-sheets.jpg)
Roll coating is the common seen painting method of color coated aluminum sheet, this coating method has the advantages of:
1. High output.
Roll production is automated, with a slow speed of 20 meters per minute, and high speed of 60 meters per minute, and can reach the speed of over 100 meters per minute. Calculated by aluminum sheet with thickness of 0.8mm, the output is 100 meters per minute, the output is 260 kilograms, and 125 tons of coated aluminum sheet can be produced in 8 hours.
2. Save paint and energy.
The paint used in the process of painting the aluminum plate is recycled, with little waste. One kilogram of paint can be coated with more than 10 m2 aluminum sheet. Compared the spraying line, one kilogram of paint can only be coated with 4 square meter aluminum sheets, and most of the paint are wasted in the sink. The oven for the roll line is compact and saves a lot of heating energy compared to the spaying line oven.
3, the roller coated aluminum sheet paint surface is more delicate.
In some delicate decorative panels, the paint surface of the colored aluminum sheet is required to be fine, and the roll coating is one of the better processes. The spray plate is prone to the phenomenon of orange peel on the surface.
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| Are mirror finish aluminum sheet metals used for labels? |
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Posted by: KamorkasOa - 09-06-2018, 08:48 AM - Forum: aluminium faq
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Mirror finish aluminum sheet metal refers to polished aluminium sheets with at least 80% reflectivity. Superior sheets can reach a reflectivity of 95% and above. Base plate alloys include 1050, 1060, 1070, 1100, 3003, 5005 and 5057. Aluminium mirror sheet is used for labels because of its excellent decorative effect, good weather resistance and low cost.
![[Image: Polished-aluminum-mirror-sheet.jpg]](http://polishing-aluminum-sheet.com/images/Polished-aluminum-mirror-sheet.jpg) [img=600x0]http://polishing-aluminum-sheet.com/images/Polished-aluminum-mirror-sheet.jpg[/img]
Mirror finish aluminum sheet metal has extraordinary decorative effect. Its shiny surface adds taste to bags, wallets and other daily belongs. It can be painted with colors like gold, light green, silver to match colors and styles of an item. The sheet is of proper strength, and can be embossed with logos directly on the surface. It’s convenient to cut a piece of polished aluminum sheet into pieces of any given size. Some labels on shoes are so tiny that they are only several millimeters long and wide. In spite of its tiny size, the sheet piece also has logos or designs on its surface. The sheet perform such good weather resistance that painted colors last years without fading. That’s because aluminium mirror sheets have gone through an anti-oxidation process before being painted. As a result, an aluminum label of a handbag would still be shiny after years of exposure to winds, rains and sunshine. In addition, low cost is an overwhelming advantage of mirror finish aluminum sheet metal as raw material for labels. Owing to smaller density, aluminum sheets weigh much less than copper and steel sheets of the same volume. That makes its price relatively lower.
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| Can you die if you eat aluminum foil? |
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Posted by: 1-LVDCPN - 09-06-2018, 08:30 AM - Forum: aluminium faq
- Replies (5)
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There will be no problem, the aluminum foil will certainly be excreted after eating, and even in the stomach or intestines will not cause pain. Because the chemical properties of the aluminum foil are very stable, there is no stimulation of the human body. We also often use aluminum foil as an application material.
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| What are the quality differences between imported and domestic 5005 aluminum plate? |
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Posted by: 1-LVDCPN - 09-06-2018, 08:20 AM - Forum: aluminium faq
- Replies (1)
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Generally speaking, in the traditional concept, imported goods will be better than domestic ones. For example, for 5005 aluminum plate that need to be used, people will think that imported aluminum plate will be better than domestic ones, and the price is also higher.
Actually, this concept is biased, the aluminum plate industry is not the same as other industry, the price of 5005 aluminum plate is affected by many factors, if you ask in local bushiness market, you may find that the imported aluminum plateproducts may be lower than the domestic ones. The price of imported aluminum sheet is actually related to the technology and process of production, in addition to the tariff.
![[Image: 5083-aluminum-plate.jpg]](http://www.aluminum-hot-rolled-plate.com/images/5083-aluminum-plate.jpg)
In general, the imported aluminum plate will have better quality than the domestically produced products, and its surface will be processed by other alloy metals. On the one hand, making this material lighter to transport can save the cost of transportation. On the other hand, it will be more durable and has a double quality guarantee. Now more and more buyers choose to import 5005 aluminum plate from China factory, for the high quality and low price also
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| Aluminum Extruded Round Bar & Tube 6060, 6061, 6063, 6082 |
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Posted by: 1-LVDCPN - 09-06-2018, 07:57 AM - Forum: Buying Leads
- Replies (1)
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Aluminum Standard Extrusion Round Bar & Tube for Industrial Application
Alolly: 2xxx, 5xxx, 6xxx, 7xxx
Main Alloy: 6060, 6061, 6082, 6063, 6101, 6201
Temper: T6, T651, T6511
Standard: ASTM B211 or EN 755/573
Diameter: Max 350mm
Length: max 12000mm
Available Size:
-Aluminum Round Bar, Aluminum Flat Bar, Aluminum Hexagon Bar, Aluminum Square Bar
-Aluminum Channel, Aluminum Angle, Aluminum Beam, Aluminum "T", "Z", "U", "H"-Shape Profile
-Aluminum Round Tube, Aluminum Square Tube, Aluminum Rectangular Tube
wade@haomeicn.com
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| Aluminum Diamond Plate 3003-H14/H22 |
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Posted by: 1-LVDCPN - 09-06-2018, 07:54 AM - Forum: Buying Leads
- No Replies
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Aluminum Diamond Plate
Aluminum Propeller plate
Alloy & Temper: 3003-H14/H22
Finish: Bright Finish
Standard: ASTM B209
Made in China
Main Exporting Market: New Zealand, Unated State, Canada, Australia
Minimum Order Quantity: 3 Tons per size
Thickness:1.2~6.35mm, .05"~.25"
Width: 1000/1220/1500mm, 36", 48", 60"
Main Application: Used to finish off tool boxes,feature paneling and trims, boot liners, shelves and car, truck, Made of an aluminum / manganese alloy, polished Aluminum Diamond Plate sheet is used as scuff (kick) plates, running boards, mud flaps and more. It cuts cleanly, leaving a smooth edge. Diamond plate's protective treads also help maintain its good looks and make it easy to keep clean.
wade@haoemicn.com
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| Novelis: European demand for aluminum rolled products is strong |
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Posted by: 1-LVDCPN - 09-06-2018, 07:53 AM - Forum: Knowledge & Technique
- No Replies
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NEW YORK (Reuters) - Demand for aluminum rolled products in Europe remains firm despite the sluggish economic growth in the region, according to European director of Novelis, the world's largest producer of aluminum rolled products in the United States.
In this case,
"For Europe, we see good demand in major markets like cans and cars," said Novelis senior vice president and president of Europe.
In this case,
"Favorable material substitution trends are driving demand growth, and vehicles and packaging are turning to aluminum," Braghi said.
In this case,
"Sustainability drives demand for aluminum as our customers are working to reduce weight, improve recyclability and increase the recyclability of their products."
In this case,
During the fiscal year ended March 2016, Novelis produced more than 3.1 million tonnes of flat rolled aluminum products, up 2% from the previous year.
In this case,
In Europe, the company operates in Germany, Italy, the UK, France and Switzerland both in production and recycling operations.
In this case,
This year the company by trial operation of its New York Oswego another rolling product line to significantly expand the US auto industry production capacity.
In this case,
"While beverage cans are still a core product in our portfolio, the car is our growth engine," Braghi said.
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We are continuing our discussions with many OEMs on future aluminum usage plans in their automotive production.
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"On a global basis, we expect double-digit growth in aluminum usage in the automotive sector by the end of the decade and we are optimistic that recent infrastructure investments will be able to meet European, North American and Asian demand," he said.
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In 2014, Novelis opened an aluminum recycling plant in Tesstead, eastern Germany, which produces 400,000 tonnes of aluminum annually through the use of scrap.
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"Plans are being made to increase the output of the Tristram recycling center," Braghi said.
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In his fiscal year 2016, Novelis increased its recoverable aluminum content to 53 percent from 33 percent in 2011, he said.
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As aluminum prices are still generally lower than in the first half of 2015, some scrap recyclers found it uneconomical to recycle scrap.
In this case,
"At Novelis, we do not yet have a shortage of scrap available," he said.
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This is partly due to supply diversification and closed-loop recycling agreements whereby Novelis can obtain scrap aluminum produced by its customers in their manufacturing process.
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![[Image: aluminum-circle-Cookware.JPG]](http://www.aluminumcircle.com/aluminum-circle-images/aluminum-circle-Cookware.JPG)