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| What are the pattern types of aluminum tread plate? |
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Posted by: haomeialu - 12-15-2017, 08:11 AM - Forum: aluminium faq
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Aluminum tread plate, also known as unti-slip aluminum plate, is becoming more and more popular in our lives. It has many kinds according to its patterns, and in this article, I would like to introduce its types to you.
Five bars aluminum checker plate: five bars non-slip aluminum plate is also known as willow-shaped checker plate, with good anti-skid ability, and is widely used in building (floor) platform design etc. As the aluminum plate surface pattern is in accordance with the five concave pattern in accordance with the relatively parallel arrangement, and each pattern and other patterns between the 60-80 degree angle, so this pattern has excellent anti-skid performance. Domestic use of such aluminum is usually used as anti-skid, with a good anti-skid effect, the price plus cheap.
Compass aluminum checker plate: non-slip aluminum, and five bars to play the same effect, but not often used.
Orange peel aluminum checker plate is divided into: the classic orange peel pattern aluminum and orange peel orange pattern (also known as insect pattern). Its surface showing a pattern similar to orange peel, so called orange peel aluminum checker plate, which is commonly used aluminum checker plate products in refrigerator, air conditioning and packaging.
Lattice type aluminum tread plate is a commonly used anti-slip aluminum models, with a good anti-skid effect, mainly for the car, the platform non-slip, cold floor floor non-slip, workshop floor non-slip, elevator anti-skid aspects.
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| Aluminium plate surface ＂black spots＂ is what reason? |
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Posted by: haomeialu - 12-15-2017, 08:03 AM - Forum: aluminium faq
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Now the aluminium plate market mixed, some small factory production of aluminium plate surface "black spots", for this phenomenon my company's professional and technical personnel after years of experience, summed up the following:
The phenomenon and law of "black pitting"
The so-called "black pockmark" is the surface of the finished product in the strip, after the user after further processing, erosion and polishing treatment, the surface of the exposed small, scattered black small pits; in the strip surface area Block) traces of the distribution of points; in the severe alkali after the black spots can be off on the addition; and hot-rolled milk leakage time, in the hot-rolled emulsion "aging" after the situation is more serious.
Analysis on the Causes of Defects in
According to the principle of "embedded in the surface or near surface of the processed product generally from the processing process", it can be determined that the "black pitting" is caused by foreign matter pressing during the rolling (main hot rolling) after the horizontal ingot. As the main component of this defect as the leading factor and contributing factors two aspects:
(1) the leading factor - hot-rolled lubrication emulsion emulsion "aging" and "dirty" caused by Wei emulsion "aging" refers to the use of time is too long, due to more than the reasons for the composition of the emulsion changes, lubrication Performance deterioration, the emergence of oil and water stratification, emulsion yellowing and surface contamination and other phenomena; "dirty" refers to the emulsion in the "dirt" increased, including dust, sand, pipe system corrosion, falling aluminium plate particles and Emulsions formed by the creamy substances.
As the emulsion "aging" and "dirty" will be hot plate when the bad surface of the formation of foreign body pressure to create the conditions. However, the "black pock" in terms of formation. More should be considered is the emulsion "aging", oil and water stratification, fuel residue caused by the impact. The following are the same as the "
(2) contributing factors - ingot bad surface roughness caused by bad.
In the horizontal continuous casting process, especially when the casting process is not properly controlled, the surface of the ingot is easy to form a clear "cold stripe pattern"; in the mold wear or damage will appear when the "groove." The presence of the "groove" is advantageous for the retention of oil or dirt, and the coverage of the "pattern" raised portion during hot rolling causes it to form a subcutaneous inclusion so that the defect is not directly exposed on the surface of the finished product.
Reduce the "black pock"
1, to reduce or eliminate the effect of hot-grouting fluid
2, the use of hot-rolled aluminium plate with high-quality emulsion to ensure that its working conditions "aging" period is long, less prone to oil and water stratification;
3, in the temperature, bacteria, metal ions (especially Al +3 ") and so on the role of emulsion" aging "inevitable circumstances, can guarantee the amount of hot rolling required under the conditions of" appropriate amount of change ";
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| What kind of aluminium checker plate manufacturers produce good quality aluminium |
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Posted by: aluhm - 12-15-2017, 08:02 AM - Forum: aluminium faq
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In the choice of aluminium checker plate manufacturers to buy aluminium, we are most worried about is the quality and price. Like aluminium, a lot of layman to watch the pattern of aluminium manufacturers do not understand the surface and material. So what kind of aluminium plate the best quality? The following pattern aluminium manufacturers give you the best explanation.
What kind of aluminium tread plate is the best quality?
1. The inspection of the logo
Usually we see the aluminium checker plate manufacturers are marked, and the logo is a product of the standard code and license.
2. Check the surface quality
In addition to the surface of the aluminium manufacturers to see the clean or not, we need to see more things, such as we should look at whether there is some cracks in the aluminium sheet or the emergence of some corrosion phenomenon, these are careful The ability to observe.
3. Thickness of oxide film
This is the need to use a professional eddy current thickness measurement equipment for testing.
4. The quality of the hole
The formation of the sealing hole is formed after the anodic oxidation, if these seals are not well handled, it will lead to the subsequent phenomenon of aluminium sheet corrosion. Usually we are the method of detection is the acid leaching method is to remove the surface amount of dust, the nitric acid drops to the surface, after a gentle wipe, the water washed away nitric acid, and then drops on the surface of purple syrup, a minute after the paint clean See if there are obvious traces of the surface, if any, then the seal is not handled well.
5. Corrosion resistance
Aluminium checker plate manufacturers this indicator is also affecting the life of aluminium checker plate, we often use the method of sub-alkali, the use of sodium hydroxide solution, mainly to see the oxide film through the time. It is recommended that you have strict requirements in the laboratory.
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| What are the common quality defects of aluminium foil? |
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Posted by: haomeialu - 12-15-2017, 08:00 AM - Forum: aluminium faq
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Common quality defects of aluminium foil
In the process of rolling into a variety of aluminium foil semi-finished products and finished products, as well as in the foil finishing, annealing, transport, packaging and other processes in the production process, inevitably some defects. Some of these defects are caused by defects in the ingot and cast strip itself, sometimes in the form of an ingot and a casting process, which can not be found and can only be exposed during subsequent further processing; the other is in the foil Material rolling, finishing, annealing, transportation, packaging and other processes produced in the process.
Most of these defects are due to equipment failure, violation of operating procedures, improper adjustment of process parameters, unskilled operator skills and other causes. In the aluminium foil production process, resulting in many defects in the quality of aluminium foil, mainly a large number of pinholes, thickness tolerance, flatness difference, a variety of reasons such as the broken belt, to reduce these defects, to improve the quality of foil is very meaningful.
Aluminium foil is rolled in a very thin state, the thickness of the material uniformity, rolling speed, tension, rolling oil are very sensitive, in a variety of defects in the most critical is to solve the broken and pinhole, especially on High speed rolling mill is more important. The generation of the belt and the pinhole is very close to the quality of the aluminium foil blank.
Casting and rolling, hot-rolled blanks in the inclusion, airway, rolling process of metal and non-metallic pressure, rub, scratches and uneven thickness can cause great difficulties in rolling aluminium foil caused by broken, pinholes , Thickness tolerance and so on. And these defects affect each other, the more aluminium the more thin pinhole, the more the pinhole is more likely to cut off, broken with more, rolling speed in the head and tail must have a part of the foil thickness tolerance.
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| What do you know about 5000 series Aluminium Checker Plate？ |
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Posted by: aluhm - 12-15-2017, 07:59 AM - Forum: aluminium faq
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There are some other of aluminium checker plate: triangular strip of aluminium, wave-shaped pattern, pebble aluminium pattern plate, water corrugated aluminium pattern plate, pattern aluminium pattern plate, corrugated aluminium sheet, strip aluminium plate, rattan checker aluminium plate, butterfly type aluminium plate, three-dimensional triangular aluminium plate and other checker aluminium is a high-cost modern materials, there are many types of furniture used in a wide range. Aluminium checker plate used in a wide range of furniture: refrigerators, air conditioning, cars, platforms, packaging pipes, screen skeleton, a variety of hanging beams, table feet, decorative strips, handles, troughs and covers, chairs and so on.
Aluminium checker plate in accordance with the different types of aluminium alloy plate pattern aluminium plate, ordinary checker aluminium: 5083 aluminium tread plate for the processing of the plate made of aluminium, to adapt to the usual environment, low prices. Usually cold storage, flooring, packaging and more use of this aluminium.
Aluminium checker plate: 5052 as the main raw material processing, this aluminium plate, also known as rust-proof aluminium, slightly higher than the strength of ordinary aluminium, with a certain anti-rust performance, but the hardness and corrosion resistance of less than 5000 Series of checker plate, so the product is not required in the application of rust-proof aspects, such as truck models, cold storage floor.
Aluminium-magnesium checker plate: 5052 or 5083 and other 5000 series of aluminium as raw materials from processing, with good corrosion resistance, hardness, rust performance. Usually used in special places, such as ships, carriages, damp environment, the hardness of this aluminium plate, a certain load-bearing capacity
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| What is the manufacturing process of aluminum foil? |
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Posted by: aluhm - 12-14-2017, 09:26 AM - Forum: aluminium faq
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The aluminium foil manufacturing process can be divided into 9 steps, that is casting – uniform treatment – surface cutting – hot rolled – cold rolled – foil roiling – wash winding – annealing – cutting.
1, Casting
The production castings, fine aluminum ingots (to remove impurities) suitable for for rolled, heated to melt into molten metal. Some manufacturers will add the rolling debris to formulate different purity aluminum ingots, but the total purity is guaranteed. Molten metal generally use rolling to become billets by continuous casting.
2, Uniform treatment
The cast billet is maintained at a high temperature close to the melting point (20-30 hours), is homogenized. As a result of this treatment, the deformation in the casting can be well eliminated, and the impurities also dissolve in solid solution and the impurity distribution becomes uniform.
3, Surface cutting
Billet has irregular surface and the oxide layer.. So it is need to be cut about 8-10mm’s thick.
4, Hot-rolled
After the billet is heated at about 500C, the billet is put on a rolling mill and hot-rolled. Rolling about 10 times, pressure to about 3-5mm’s thick, rolled into coils (hot coil). During rolling, rolling and recrystallization occur at the same time, the foundry structure is destroyed, resulting in rolled structure. When hot-rolled, the crystal grain size of the high-purity aluminum is about 0.5 mm.
5, Cold-rolled
The hot coil is cold rolled at about 80C while cooling. After about 3 times, rolled to about 0.5-0.6mm’s thick, roll into coils. This is what we commonly called the original foil.
6, Foil rolling
The original foil is cold-rolled into thin foil by a high-precision rolling machine. Aluminum can be rolled to minimum of 5μ. When rolling about 10μ or less, two overlapping rolling can be used. The original foil achieve the required thickness by rolling several times.
7, Wash winding
The rolling is finished, the rolled oil is washed away, and then wound into rolls.
8, Annealing
Hard foil is generally through heat treated, annealed to semi-hard or to the end of recrystallization. Sometimes provide a very soft foil by high temperature annealing close to the melting point. Annealing is an important process that determines the nature of the foil. In addition, in order to impart special properties to the aluminum foil, annealing is also carried out during the rolling.
9, Cut the foil
Aluminum foil produced only by rolling has irregular edges. Moreover, most users require foil that is narrower than the maximum width of the rolling. Therefore, not only about the edge of the foil, but also the rolling direction should be cut. This process is called cutting the foil, it is sometimes also carried out before annealing.
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| Does aluminum conduct electricity? |
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Posted by: aluhm - 12-14-2017, 09:25 AM - Forum: aluminium faq
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Yes, but not as well as gold, silver or copper. Because of this, there will be more loss in aluminum wire than in copper wire, and aluminum wire will heat up more when conducting current.
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| What is the processing technology of aluminum embossed sheet? |
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Posted by: haomeialu - 12-14-2017, 09:23 AM - Forum: aluminium faq
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As early as many years ago, the industrial aluminum sheet usually through cutting, carving, milling and other processes, these processes are completed through the equipment to improve the shape and performance. Among them, the processing technology of aluminum embossed sheet is more complex than ordinary aluminum sheet. Let us go to understand the processing technology together.
![[Image: main-qimg-fbef13966af0c783e48a24c61e767ac3.webp]](https://qph.ec.quoracdn.net/main-qimg-fbef13966af0c783e48a24c61e767ac3.webp)
Now many factories using intelligent equipment - computer controlled CNC machine, it built-in CAD mapping software. We compiled the needed shape of the aluminum plate into the computer, after a period of time, we can get the aluminum sheet we need. The anti-skid effect, decorative effect of aluminum embossed sheet is very good, so it is one of the main types of industrial aluminum. In order to press out the lines of aluminum sheet, the drawing process is used. In simple terms, the external force the metal go through the mold, the cross-sectional area of the metal is compressed, resulting in a variety of lines. And retention of metal texture form, gloss and characteristics of its surface for different treatment. This drawing process makes the aluminum embossed sheet with anti-rust, anti-oxidation and chemical reagents and other properties.
It is because of excellent processing technology, which makes the modern technology more perfect and efficient, at the same time, the performance ofaluminum embossed sheet has also been improved greatly. Whether it is material selection or performance, all have a significant improvement. With the improving processing technology, there will be more and more people tend to choose this kind of healthy fashion sheet.
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| What are the factors that influence the price of aluminum profile? |
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Posted by: haomeialu - 12-14-2017, 09:21 AM - Forum: aluminium faq
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As we all know, aluminum profile price varies with the aluminum price, so if you want to know what can affect the price of aluminum profile, you should know the aluminum first! Today Haomei aluminum impact of these factors which affect the aluminum price, combined with the current social development trend, can be summarized as the following aspects:
1.supply and demand
Aluminum profile price will change with the market supply and demand changes, balance of supply and demand, Aluminum profile price will fluctuate in a very small range, otherwise there will be significant fluctuations. In the market, an important indicator reflect the relationship between supply and demand is inventory, it can be divided into reporting inventory and non-reporting inventory. The report inventory refers to the amount of aluminum inventories of the designated delivery warehouse regularly published by the futures exchanges, and its decline will lead to an increase in the demand for aluminum.
2. price factor
The electrolytic aluminum industry is a power-intensive industry that relies heavily on electricity demand. So in the development of electrolytic aluminum industry had to consider the impact of price factors, it affects the production of electrolytic aluminum in China, but also affect the domestic and international Aluminum profile price.
3. the price of alumina
The cost of alumina is about 28% to 34% of the cost of aluminum ingot. The fluctuation of international alumina prices affects the production cost of domestic electrolytic aluminum relative to countries where alumina is short and electrolytic aluminum is relatively large. For example, in 2000 the international spot price of alumina from the beginning of the highest 450 US dollars / ton fell sharply to 165-175 US dollars / ton, the amplitude reached about 70%. At the same time, international aluminum profile prices also fluctuated significantly.
4.aluminum application trends
Wire and cable, automobile manufacturing, real estate and other industries with the amount of aluminum application changes and industrial restructuring, will have a great impact on the aluminum profile[url=https://www.aluminum-foil.net/][/url]production and market prices.
5.aluminum production process improvement and innovation
Computer technology more and more widely applied in the electrolytic aluminum industry , with the large-capacity high-performance intelligent aluminum electrolysis technology and the widespread use of aluminum production costs will continue to decline.
Haomei Aluminum’s commitment to Quality, Perfection and Innovation has taken it to great heights. Haomei Aluminum has revolutionized the use of aluminum in the chinese industry. Our ISO certification, currently stands revalidated as per IS/ISO 9001:2008.
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| What are the factors that affect the quality of the aluminum tread plate during dyein |
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Posted by: aluhm - 12-14-2017, 07:27 AM - Forum: aluminium faq
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What are the factors that affect the quality of the aluminum tread plate during dyeing?
The oxide film has a great influence on the quality of the aluminum plate. Oxidation film refers to the aluminum plate in the production process of the thickness, porosity, transparency and so on. The thickness of the film in the aluminum plate is kept above 10um, porosity and transparency, so that it can get better dyeing quality.
The temperature of the dyeing
Aluminum in the dyeing process is divided into cold dyeing and hot dyeing. The use of cold dyeing, the consumption of the moment compared to the long process of dyeing in the process of uniformity of color uniformity to grasp. Thermal dyed use time contrast is short, but in the process of dyeing on the color control contrast difficult. The temperature of the hot dope is generally 10-60 ° C. If the process of dyeing, the temperature is too high, will reduce the adsorption of dyeing, and simply lead to the appearance of aluminum flowers.
The influence of the material of aluminum tread plate
During the production process, high purity aluminum, aluminum magnesium, aluminum alloy dyeing quality is best after the anodic oxidation, and it can be dyed a variety of colors. On the rich silicon or copper on the proportion of the plate, in the dyeing process can only be dyed dark and black, compared to monotonous color, haomei Aluminum is a high quality pattern aluminum manufacturers, in the dyeing is always controlled very it is good.
Concentration of staining solution
There is a certain relationship between the concentration of aluminum and dyeing, if the aluminum plate dyed light, during which the concentration can be reduced, dyed dark concentration can be higher, of course, this also has a certain relationship with the dyeing technology.The color of the aluminum material is 0.1-0.39g / L, the color is 1g / L, the dyeing color is 3-5g / L, the dyed color is 10-15g / L , If the requested color density contrast will cause uneven color may appear to float the scene, in the cleaning process with the closure of simple summary of the flow of color.
In order to enhance the adsorption of its dyeing function, so you can use low concentrations of color for extension dyeing, so you can make the dye can be evenly penetrated into the oxide film, so that the dyeing can be more harmonious and strong.
Effect of density on aluminum tread plate
Aluminum tread plate is also difficult to weld than stainless steel, because aluminum is a vivid metal, the best still want other ways to do other materials to do, communication pulse argon arc welding machine. Welding aluminum can only be large power. Gas welding and welding arc welding different methods have different quotes, have to be subdivided.
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