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This method can accurately control the filling process. Injecting molten metal in this way can reduce the formation of oxides and reduce porosity, ensuring excellent consistency from top to bottom. Therefore, low-pressure casting molds can produce excellent density and strength values, as well as excellent dimensional accuracy. Although this method is highly suitable for simpler and symmetrical shapes, more complex geometric shapes can be achieved by using sand cores in molds. With its simple mechanical and technological advantages, the low-pressure die-casting process is very suitable for automation

Automotive industry and others

For decades, the automotive industry has relied on low-pressure die-casting to manufacture sturdy and high-quality aluminum castings. However, due to its relatively slow casting process, its use is mainly limited to luxury models in the automotive market, with expected fewer quantities and higher costs. However, now that successful methods have been found to make this method more cost-effective (such as making machines larger overall but saving space due to their vertical structure), the automotive industry has reduced the time of the casting cycle by 50%, making low-pressure casting a more economical choice than before

Although low-pressure casting is a special choice for automotive components such as engine blocks, wheels, and suspension components, non automotive industries such as electronics, mechanical manufacturing, and pipeline components also benefit from its lower processing costs, high production, and excellent metallurgical quality. The excellent conductivity and thermal conductivity of cast aluminum make it an ideal choice for all these industries

Alternative plan

There are several methods for replacing low-pressure casting molds. One such alternative method is sand casting, which accounts for the vast majority of metal casting. By forming a mixture of sand, clay, and water around complex shapes, molds can be created, filled with molten metal, and decomposed after the casting solidifies. The high-temperature properties of sand make it an excellent molding method. Investment casting is another option. Nowadays, investment casting is favored by many industries due to its accuracy and versatility. Another alternative method for low-pressure casting is gravity casting (or permanent mold casting). The simple process of filling a hollow mold with molten metal and allowing gravity to flow into each groove of the mold. Gravity casting has multiple advantages, such as smooth surface, excellent dimensional accuracy, and faster production time. The gravity die-casting process is very suitable for the automotive industry