Office furniture aluminum furniture knowledge

[China Aluminum Industry Network] Aluminum Aluminum is one of the non-ferrous metals in the metal category. Due to its wide application, it is separately introduced as follows: There are two commonly used aluminum profiles and die-cast aluminum alloys. Among them, aluminum ingots with purity as high as 92% or more are used as the main raw materials, and metal elements such as carbon, magnesium, silicon, and sulfur, which increase strength, hardness, and wear resistance, are added to form various alloys.

1.1 Aluminum profiles such as screens, aluminum windows, etc. are common. It is an extrusion molding process in which raw materials, such as aluminum ingots, are melted in a melting furnace and extruded through an extruder to form a mold. It can also extrude various sections of different profiles. The main performance of the strength, hardness, wear resistance according to national standards GB6063. The advantages are: light weight of only 2.8, no rust, rapid design changes, low mold investment, and longitudinal elongation of up to 10 meters. The appearance of aluminum profiles is bright and matt. The treatment process uses anodizing, and the surface treatment oxide film reaches 0.12m/m thickness. The wall thickness of aluminum profiles is selected according to the optimization of product design. The thicker the better the market is, the more the design of the cross-section structure is required. It can be uneven in 0.5~5mm. The layman believes that the thicker and tougher he is, he is actually wrong.

Aluminum surface quality also has more difficult to overcome the defects: warping, deformation, black lines, bumps and white lines. Designers with higher levels of design and mold design and production process are reasonable, which can avoid the above defects is not obvious. Inspection defects should be carried out according to the inspection methods prescribed by the State, that is, 40 to 50 cm in line of sight to identify defects.

Aluminium profiles are used in a wide range of furniture: screen skeletons, various suspension beams, table legs, trim strips, pull handles, cabling troughs and covers, chair tubes, etc., can be designed and used in ever-changing designs!

Although aluminum profiles have many advantages, they are also unsatisfactory:

Unoxidized aluminum materials tend to “rust” and cause performance degradation. The longitudinal strength is not as good as that of iron products. The wear resistance of the surface oxide layer is less scratching than the plating layer. The cost is higher and the cost of the iron products is higher. About 3 to 4 times.

1.2 die-casting aluminum alloy die-casting alloy compared with the processing method of the profile, the use of equipment are different, its raw materials are aluminum ingots (about 92% purity) and alloy materials, melted by the furnace, into the die-casting machine mold. The shape of the die-cast aluminum product can be designed as an imaging toy, with different shapes and connections in various directions. In addition, it has a higher hardness and strength, and can be mixed with zinc to form a zinc-aluminum alloy.

Die-casting aluminum forming process:

1, die-casting 2, rough polishing to mold surplus material 3, fine polishing On the other hand, die-casting aluminum production process, should have the mold to manufacture, the mold cost is very expensive, higher than other molds such as injection molds. At the same time, the maintenance of the mold is very difficult, and it is difficult to reduce the material when the design is wrong.

Die Casting Aluminum Disadvantages:

Each production and processing quantity should be large and the cost should be low. Polishing is more complicated than the production cycle. The cost of the product is about 3 to 4 times higher than that of the injection molded part. Screw hole requirements should be a little larger (diameter 4.5mm) connection force to stabilize the scope of adaptation: table legs, desk connecting pieces, decorative heads, aluminum profiles, table tops and coffee table top care, etc., a very wide range.

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