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L'aluminium est l'un des matériaux les plus polyvalents et légers utilisés dans l'industrie moderne, et ses applications sont multiples, allant de l'automobile à l'aéronautique, en passant par l'électronique. Parmi les différentes techniques de fabrication de pièces en aluminium, la coulée sous pression, ou die cast, s'est imposée comme l'une des méthodes les plus efficaces et précises. Cet article explorera le processus de coulée en aluminium calibré, ses avantages, ses applications et son avenir dans l'industrie.

(2) Influence of casting material: a. The higher the carbon content in the material, the smaller the linear shrinkage rate, and the lower the carbon content, the greater the linear shrinkage rate. b. The casting shrinkage rate of common materials is as follows: casting shrinkage rate K=(LM-LJ)/LJ×100%, LM is the cavity size, and LJ is the casting size. K is affected by the following factors: wax mold K1, casting structure K2, alloy type K3, pouring temperature K4.

Investment casting, also known as lost-wax casting, is one of the oldest techniques and is widely favored for its ability to create complex shapes with smooth surfaces. Here, a wax pattern is coated with a ceramic material. Once the ceramic is hardened, the wax is melted away, leaving a cavity that is then filled with molten aluminum. This process allows for high detail and accuracy and is often used in industries where precision is paramount, such as aerospace and medical devices.

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