Precision casting is a highly precise metal processing technique with numerous advantages and application areas. With the continuous advancement of technology and the continuous improvement of processes, precision casting will continue to bring more development opportunities and innovation space to various industries. The advantages of precision castings include high shape complexity, high dimensional accuracy, good surface smoothness, high material utilization, and high production efficiency. Therefore, precision casting is widely used in the engineering field, bringing many benefits to various industries.

The application range of precision castings is very wide, which can manufacture products of various shapes and sizes, such as turbine blades, hydraulic cylinder bodies, automotive parts, etc. Precision castings have a high degree of process automation and production efficiency, which can significantly improve the production speed and quality stability of workpieces, thereby reducing costs and improving economic benefits.

What is the difference between precision castings and ordinary castings?

In the manufacturing process, precision castings usually use precision cavities and high-pressure injection molding technology to ensure the dimensional accuracy and surface smoothness of the product. Ordinary castings are usually cast using traditional sand or metal molds, with relatively simple processing techniques and lower dimensional accuracy and surface smoothness.

Secondly, in terms of material selection, precision castings often use high-quality alloy materials such as stainless steel, titanium alloys, etc. to ensure that the product has high wear resistance and corrosion resistance. Ordinary castings usually use common casting materials such as cast iron and copper alloys.

Furthermore, in terms of precision requirements, precision castings typically require high dimensional and geometric accuracy to meet the high-end application demands of products, such as aerospace and automotive industries. However, ordinary castings have relatively low requirements for dimensional accuracy and geometric accuracy, and are mainly used for general mechanical equipment and industrial products.

Precision casting is the process of heating metal materials to a liquid state, pouring them into a mold, and finally cooling and solidifying them into shape. This process can produce castings with complex shapes, precise dimensions, and smooth surfaces, which are commonly used to manufacture high-performance automotive engine components, aerospace equipment components, industrial machinery components, and more.

The manufacturing process of precision castings usually includes steps such as mold design, melting and casting metal, solidification cooling, and subsequent process processing. The first step is mold design, as the quality of the mold directly affects the quality of the finished product. Mold design needs to consider factors such as the shape, size, and wall thickness of the workpiece to ensure the rationality and stability of the mold. The next step is to melt and cast the metal, select suitable metal materials for melting, and shape them by pouring them into the mold. Then there is solidification cooling, where the workpiece gradually solidifies and cools in the mold, forming the final product. The subsequent process includes deburring, polishing, heat treatment, etc., to improve the surface smoothness and mechanical properties of the workpiece.