What are the characteristics of wide application of aluminum alloy profiles?

Aluminum alloy profiles have been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding, construction, decoration and chemical industry.

With the rapid development of science and technology and industrial economy in recent years, the demand for welded structural parts of aluminum alloy is increasing day by day, which makes the research on the weldability of aluminum alloy deepen.

The wide application of aluminum alloy promotes the development of aluminum alloy welding technology, and at the same time, the development of welding technology expands the application field of aluminum alloy, so the welding technology of aluminum alloy is becoming one of the research hotspots.

1. The aluminum profile made of pure aluminum has very good corrosion resistance, because the density of this material is 2.7 per cubic meter. If it is pure aluminum, it has very good corrosion resistance.

2. In addition, the conductivity of this material is also very good. Compared with other materials, the conductivity of aluminum is twice that of copper.

3. The thermal conductivity of aluminum profile is also outstanding, so it can be made into various utensils, such as cooking utensils. Our spatula can be made of aluminum alloy into an aluminum profile, including automobile parts and so on, as well as radiators, all made of this material.

4. The machinability of aluminum profiles is also very good, which can keep the characteristics of materials.

5. Because this aluminum profile has certain recyclability, it can be reused and is widely used in many aspects, and it is also used in the furniture market and medical equipment, including some automated machinery and equipment.

What are the key points for attention in extrusion process of industrial aluminum profiles?

Industrial aluminum profile is the final product of aluminum rod extruded by die after heating, and the die is an instrument with high precision specifications designed according to the demand, which is used to extrude the profile products with required specifications and sections;

Points for attention in extrusion process of industrial aluminum profiles;

① Temperature control: For extrusion production, extrusion temperature is the most basic and key technological factor. Extrusion temperature has great influence on product quality, production efficiency, die life and energy consumption.

② Extrusion speed: The extrusion speed must be carefully controlled during extrusion. Extrusion speed has an important influence on deformation thermal effect, deformation uniformity, recrystallization and solid solution process, mechanical properties and surface quality of products.

③ On-machine quenching: 6063-T5 quenching is to preserve Mg2Si which is solid-dissolved in the base metal at high temperature after it exits the die hole and is quickly cooled to room temperature. The cooling rate is often proportional to the content of strengthening phase.

The minimum cooling rate that 6063 alloy can strengthen is 38℃/ min, so it is suitable for air cooling quenching. The cooling intensity can be changed by changing the fan and the number of revolutions of the fan, so that the temperature of the product before tension straightening can be reduced to below 60℃.

Why are aluminum alloy profiles widely used?

Aluminum alloy profile is a strip-shaped material with aluminum alloy as the main component, which is made by extrusion, drawing and die casting. It has the advantages of light weight, high strength, good corrosion resistance, good heat dissipation and strong machinability.

Aluminum alloy profiles are widely used in buildings, vehicles, mechanical equipment and other fields, such as building curtain walls, vehicle parts, power capacitor brackets, household electrical components and so on.

According to its shape, aluminum alloy profiles can be divided into plane aluminum profiles, special-shaped aluminum profiles and special-shaped aluminum profiles, among which special-shaped aluminum profiles can be divided into solid special-shaped aluminum profiles, hollow special-shaped aluminum profiles and structural special-shaped aluminum profiles.

In addition, aluminum alloy profiles can be divided into two types according to their alloy composition: hard aluminum alloy profiles and aluminum alloy profiles combining soft and hard.

The manufacturing process of aluminum alloy profiles usually includes material pretreatment, extrusion die making, extrusion molding, post-treatment and surface treatment.

Among them, extrusion molding is the core process of manufacturing aluminum alloy profiles. Through pressure extrusion at high temperature, aluminum profiles are extruded from extrusion ports and then processed into profiles of various shapes to meet different application requirements.

Aluminum alloy profiles are widely used because of their long service life, beautiful color, easy processing and assembly, and can be replaced and maintained after assembly.

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