We have talked so much about die casting parts before, and today I will introduce the design of die casting parts to you.

The design of die casting involves four aspects

• That is, the requirements of die casting parts for the shape and structure of parts;

• Process performance of die castingparts;

• Dimensional accuracy and surface requirements of die casting parts;

• Determination of parting surface of die casting parts;

The part design of die casting parts is an important part of die-casting production technology.

The following problems must be considered in the design: the selection of mold parting surface, the opening of the gate, the selection of ejector position, the shrinkage of castings, the guarantee of dimensional accuracy of castings, the prevention of internal defects of castings, the relevant requirements of casting holes, the relevant requirements of shrinkage deformation and the size of machining allowance.

Design principles of die casting parts

• Correctly select the materials of pressure die casting parts;

• Reasonably determine the dimensional accuracy of die casting parts;

• Try to make the wall thickness evenly distributed;

• Add process corners at each corner to avoid sharp corners.

Classification of die casting parts

According to the use requirements, it can be divided into two categories. One is the parts with a large load or high relative movement speed. The inspection items include size, surface quality, chemical composition, and mechanical properties (tensile strength, elongation, and hardness);

The other is other parts. The inspection items include size, surface quality, and chemical composition. When designing die casting parts, it should also be noted that the parts should meet the process requirements of the die casting parts.

The process of the die casting part is considered from the position of the parting surface, the position of the top push rod, the relevant requirements of casting hole, the relevant requirements of shrinkage deformation, and the size of machining allowance. Reasonably determining the parting surface of the die casting surface can not only simplify the structure of the die casting mold but also ensure the quality of the casting. Requirements for die casting parts design.

Advantages of die casting parts

• High production efficiency

Compared with other processing technologies, the die casting parts can produce complex products with higher precision, and there is no need or only need to do small secondary machining to ensure accuracy. Moreover, the service life of die-casting dies reaches tens of thousands to hundreds of thousands.

• High dimensional accuracy and good stability

Die casting parts have the characteristics of durability and dimensional stability, and can maintain high precision.

• Strong strength and lightweight

Compared with injection molded parts of the same size, the strength of die casting parts is better. Compared with other casting production processes, the die casting part can make the product thinner in wall thickness and lighter in weight. Moreover, because there is no welding or riveting method, the strength of die casting parts is better than other assemblies.

• Various surface treatment methods

Die casting parts can be treated with various smooth or textured surfaces. Moreover, only a very simple pretreatment is required, and the product can easily complete the surface treatment process.

• Simple and fast assembly

Die casting parts can be assembled with various fasteners, such as screws, screws, etc. The hole position can be assembled by drilling and tapping, and even the screw can be put into the mold to die-cast with the product.

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