Die casting is a metal casting method in which molten metal is pressed into a cavity by using very high pressure. There are many different types of die castings, which are characterized by the use of non-ferrous metals in the process. The most common are zinc, aluminum, copper, magnesium, lead or tin-based alloys.

These metals have different advantages, which can be weighed according to the purpose of the casting. For example, aluminum die casting is a lightweight material that provides excellent stability for complex shapes. Zinc is also very common because it is the easiest metal to cast, with high impact strength and long mold life.

There are several main steps in the die casting process. These steps start with the preparation of the mold. This step is completed by spraying lubricant into the mold cavity, which helps control the temperature and makes it easier to remove.

Die casting: filling
After preparing the mold, the next stage is called filling, in which molten metal is injected into the mold through a high-pressure system. Fill the cavity and maintain the pressure until the casting hardens. The high-pressure nature of the injection allows the mold to be filled quickly, which is essential for the entire cavity to be filled before any part of the casting becomes solid, thereby helping to obtain a smoother texture.

After the filling enters the ejection stage of the die-casting process, the mold is opened and the injection material is ejected into the ejector pin. Since there are usually many cavities in a single mold, these injections are different from casting.

Finally, the crushing stage separates the waste from the pellets. Usually, the phase-out phase includes special dressing molds, although it may also involve sawing and grinding. Another way is to flip the lens, if the door is thin and easily breaks, you can use it.

No matter which precise method is used in the die casting process, it can provide excellent dimensional accuracy and a smooth casting surface. It also provides thinner strokes and faster productivity, while still maintaining high casting tensile strength.

Die casting can be used in many different industries to create strategic advantages and efficiency. For example, automotive castings allow you to design flexibility and maximum durability in lighter weight castings. Die castings, such as those made of aluminum, can provide the higher strength/weight ratio that manufacturers are seeking.

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