In our previous articles, we have explained a lot of many about the properties of aluminum coil aluminum introduction, or some practical tips, today we will share with you Mingtan aluminum coil manufacturers: affect the quality of aluminum coil aluminum several elements. In order to let you more clearly understand the aluminum sheet aluminum coil.
1. Alloying elements
6063 alloy is aluminum, magnesium and silicon as the main elements of the formulation of the alloy, each element has a certain range of content, magnesium is expensive. Some manufacturers in order to reduce costs, the amount of magnesium to the minimum allowable content. Some even lower the magnesium content below the minimum allowable content. Embossed aluminum coils, coated aluminum coils, patterned aluminum coils, anti-rust aluminum coils, there are also factories in the alloy with waste wire and waste pots and pans, basically talk about the 6063 alloy. As a result, the mechanical strength of aluminum profiles is very low, can be as low as two hands with a bend is easy to bend, commonly known as soft as noodles. This is one of the reasons why aluminum can be cheaper thousands of dollars.
2.Aluminum alloy melting furnace
With a good 6063 alloy how to melt, with what furnace, which is also critical, now the domestic use of the furnace has the level of the 40's, but also the level of the 90's, the worst manufacturers with the original crucible furnace. There are coal-burning, oil-burning, gas-burning and electrically heated melting furnaces. Some furnaces have chimneys and some have no chimneys. Generally used for the square furnace (rectangular furnace), advanced for the round furnace, some round furnace can be tilted to pour aluminum water. In terms of tonnage, there are one-ton, two-ton, five-ton, ten-ton, twenty-five-ton and fifty-ton melting aluminum furnace. Embossed aluminum coils, coated aluminum coils, patterned aluminum coils, antirust aluminum coils, a little more advanced, in the melting furnace below another static furnace, static furnace is important to formulate 6063 alloy, can be removed from the slag in this furnace to remove the gas, static, and then casting of aluminum rods, aluminum ceilings for extrusion use. In the original coal-burning furnace and modern round furnace formulated alloy quality, absolutely not the same. General furnace, regardless of what fuel is burned, there should be a smoke pipe, fuel in the combustion process produces exhaust gas slag most can be discharged from the smoke pipe. If there is no smoke canister waste gas slag all melted in aluminum water, so cast for extrusion of aluminum rods, the internal existence of serious slag bubbles, which is one of the reasons for the poor quality of aluminum, which is also one of the reasons why the aluminum price is cheap. Color coated aluminum coil
3. Alloy casting
Domestic casting equipment level, the same difference is very far, the oldest casting equipment in the country has the level of the 40's iron mold casting, advanced hydraulic semi-continuous casting. Iron casting rod crystallization organization is very poor, and in the casting of a large number of slag and bubbles in the casting of the rod, the casting of the rod quality is very poor, and now the general factory with the more common is the level of casting (also known as continuous casting) and semi-continuous casting, semi-continuous casting of most of the steel wire rope drive, the best of the hydraulic drive. Semi-continuous casting rod length varies, generally 3 meters, 4 meters until 8 meters. Semi-continuous casting is pit-type, while casting side down, surrounded by cold water cooling on all sides, due to water cooling around the uniform, cast rod crystalline organization uniform and fine. But the wire rope down drive, not as smooth as the hydraulic drive, hydraulic casting of the cast bar surface than other cast bar surface are smooth. The smooth surface of the cast bar is one of the prerequisites for extruding good profiles. Embossed aluminum coils, coated aluminum coils, patterned aluminum coils, anti-rust aluminum coils, with other methods of casting the cast bar surface is relatively rough, in order to ensure the quality of the profile, sometimes the cast bar first car a knife, car to the rough appearance of the cast bar. Now commonly used semi-continuous casting mold, for advanced, hot top with the level of casting mold, the characteristics of this casting mold can be cast several to dozens of roots at a time, while casting quality, with high quality 6063 aluminum alloy casting rods, in order to have the possibility of producing good aluminum profiles, if you use primitive and obsolete casting equipment is not possible to cast a good casting rods, and also can not produce a good aluminum profiles. There are a lot of domestic aluminum plant, no production equipment for aluminum rods, but to the electric aluminum plant or other plants to purchase 6063 alloy rods, such aluminum plant, aluminum quality in the hands of the production of casting plant, the production of aluminum is difficult to achieve stable quality. With backward equipment than with advanced casting equipment, one is a small investment, low production costs, which is why the aluminum sales spread is one of the reasons Coated aluminum coil
4. Profile extrusion
China's profile extruder a wide variety of grades of high and low, but also the world's largest. There are factories of their own simple extruder, there is a pressure extrusion of plastic machine modification, there are a small number of domestically produced, followed by most of the Taiwan, Japan, the United States and Germany, there are water pressure, oil pressure. Embossed Aluminum Coil, Coated Aluminum Coil, Patterned Aluminum Coil, Anti Rust Aluminum Coil All in all, there are hundreds of extruders in China. It is generally recognized that Japanese, American and German extruders are better, followed by Taiwanese ones. Good and poor extruder, the same cast bar, the extrusion of the profile quality is never the same. We often see building aluminum doors and windows with 6063T5, which is the United States brand international common.
I believe that after reading the above explanation, you must have a certain understanding of the several elements that affect the aluminum coil aluminum. I hope that we can take these factors into account when choosing aluminum coil in the future.
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