This section provides an overview for aluminum profiles as well as their applications and principles. Also, please take a look at the list of 10 aluminum profile manufacturers and their company rankings.
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The structure of an aluminum profile is a general term for aluminum construction materials and other materials that have a wide variety of attractive applications, such as buildings, window sashes, and cart parts. Aluminum, a relatively easy-to-process and lightweight steel material, is used in a wide variety of fields. Familiar examples of structures of aluminum that are easy to handle and remove are screens and storm shutters.
Another advantage is that many standard products are available as material parts, making them available at a lower cost than full-order products.
Uses of aluminum structural materials include fittings for houses and buildings (doors, shutters, ducts, etc.), dollies, and work platforms for structural framing and loading platforms. In addition, since aluminum is a good material for extrusion, accessory parts and reinforcing parts that can be made using a formwork are also manufactured as a structure of aluminum profiles.
In vehicle parts, aluminum is used for bearing parts, top surfaces, and the interior and exterior of machines and equipment. Duralumin (aluminum alloy) is well known for its use in airplanes, cars, and tanks. It is a good example of a material that makes full use of its extremely lightweight and high-strength features.
One of the most outstanding features of aluminum is that it is a material with excellent plasticity. Plastic forming is a process in which strong pressure is applied to a material to deform it, and aluminum has by far the lowest material and fuel loss of all metals.
In addition to its flexibility and low processing costs, aluminum is also superior in terms of loading capacity and transportation and delivery costs after commercialization. To compensate for post-construction deformation, some aluminum alloys are cast with copper, silicon, nickel, or manganese as fabricated alloys and marketed as standard products under the names of rigid aluminum profiles and reinforced aluminum profiles.
The disadvantage of aluminum alloys is that partial repairs are difficult. Aluminum parts are standardized by part and are available in large lots, which is sufficient to deal with damage to parts, but is not suitable for partial maintenance of structures of a large surface area.
Structure of aluminum profiles are used everywhere in high-rise buildings and towers to reduce the weight of the upper floors. Scaffold boards for scaffolding can also have a load-bearing capacity of 220 to 330 lb per interval.
Aluminum frames are the most widely used aluminum profiles profile. At factories and other manufacturing sites, aluminum frames are widely used for conveyors, carts, and other transportation equipment, as well as for safety fences and work platforms. Recently, it has been attracting attention as a substitute for steel-framed structural materials, and has become a familiar Structure of materials that can be easily purchased at home centers and online stores. Therefore, it is important to understand the strength of aluminum frames in order to use them safely and securely.
The strength of aluminum frames can be roughly divided into two categories: "single strength" and "box strength."
The most obvious example is a clothesline. The load capacity of a single frame is determined by the amount of deflection. Deflection refers to how much the aluminum frame bends and deflects when a load is applied to its center. The manufacturer recommends a load capacity of no more than 1/1,000 of a deflection relative to the length of the frame. For example, a 1-meter-long clothesline has a load-bearing capacity of 1 mm of deflection. In fact, it can only be used permanently if the load is smaller than the load-bearing capacity, and it will not bend immediately if it is subjected to a load greater than this.
Next, there is "limit load". This is the load at which the aluminum frame will break and is a calculated value. Since a load applied to a long aluminum frame generates a moment, both the amount of deflection and the limit load vary greatly depending on the size and length of the frame. The deflection and limit load vary greatly with frame size and length. The image shown in the table in catalogs and other materials is that the longer the frame and the smaller the frame size, the greater the deflection, and at the same time, the lower the limit load.
Box strength is not the strength of a single aluminum frame, but an indicator of how much load it can withstand when assembled into a box shape, such as a rack or shelf. Even if the same aluminum frame is used, box strength is basically higher than the strength of a single aluminum frame because the entire Structure of the box is used to support the load.
As in the case of unit strength, box strength is expressed in two ways: deflection and a new factor of safety. The difference is that the box strength is calculated under relatively severe conditions, where the load is not applied to the aluminum frame itself, but is concentrated in the center of the surface created by the aluminum frame. In addition to this, box strength is expressed by multiplying a "safety factor," which is the ease of fracture. For aluminum-framed boxes, a safety factor of 4 to 5 or greater is generally recommended.
The strength of an aluminum frame is determined by the maximum allowable load at which deflection of 1/1000 of the frame length occurs when the frame is supported at both ends. The required values for height, width, and section modulus can be calculated depending on the model, making it easy to find aluminum frames with the required strength on the manufacturer's website or catalog.
*Including some distributors, etc.
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