Why do some Ningbo aluminum die-casting castings experience a decrease in strength?

In recent years, the application of aluminum die-casting castings in fields such as automobiles and aviation has become increasingly widespread. As one of the aluminum die-casting production bases, the quality of aluminum die-casting castings in Ningbo region has also received much attention. However, some aluminum die-casting manufacturers have recently experienced a decrease in strength of their castings, which has attracted attention and discussion from industry insiders.

1、 Cause analysis

There are many reasons for the decrease in strength of Ningbo aluminum die castings, mainly including the following:

1. Unqualified raw material quality: The quality of aluminum die-casting castings is constrained by the quality of the raw materials. If the quality of the raw materials is not up to standard, it will lead to a decrease in the strength of the castings.

2. Inadequate process control: The production process of aluminum die-casting castings is cumbersome and requires multiple processes. If the process control is not in place, such as high die-casting temperature and short cooling time, it can also affect the strength of the castings.

3. Severe mold wear: Mold is a very important link in the production of aluminum die-casting castings. Severe mold wear and poor surface quality can lead to defects in the castings and a decrease in strength.

4. Equipment aging: Aluminum die-casting equipment requires frequent use and maintenance. If the equipment is severely aged and improperly maintained, it will affect production efficiency and product quality.

2、 Solution

In order to solve the problem of reduced strength of some aluminum die-casting castings in Ningbo, manufacturers need to take the following measures:

1. Strictly control raw materials: The quality of aluminum die-casting castings is subject to the quality of raw materials, so manufacturers need to choose high-quality raw materials and mix and test them according to standard requirements.

2. Establish a sound process flow: The production process of aluminum die-casting castings is very complex, therefore, manufacturers need to establish a sound process flow, develop standardized operating procedures, and strictly control and inspect each link in the process.

3. Regular maintenance of the mold: The mold is a very important link in the production of aluminum die-casting castings. Therefore, manufacturers need to regularly clean, maintain, and replace the mold to ensure that the surface of the mold is flat and smooth, and will not affect the aluminum die-casting castings.

4. Update equipment and technology: Aluminum die-casting equipment requires frequent use and maintenance. Therefore, manufacturers need to regularly update equipment, choose advanced production equipment and technology, and provide sufficient employee training to ensure that production equipment and technology are fully utilized.

In summary, the occurrence of strength reduction in some aluminum die-casting castings in Ningbo has brought reflection and warning to manufacturers. In order to improve the quality and production efficiency of aluminum die-casting castings, Ningbo aluminum die-casting manufacturers need to strengthen measures such as raw material procurement, develop standardized process flow, regularly maintain molds, and update equipment and technology to enhance their core competitiveness and market position.