Anatomically take samples from the same area of several cylinder head sand castings cast in different process schemes. The sampling position and number are shown in the figure. Conduct high/low power inspection on the samples respectively, and then conduct tensile test after heat treatment with the same solution aging...
Sand casting and die casting are both popular methods used in the manufacturing industry for producing metal parts. While they share similarities, they differ in various aspects. Let’s compare sand casting and die casting in terms of their process, cost, complexity, and applications. Sand casting is advantageous for low-volume...
In view of the reasons for the formation of pores in the cylinder head inner cavity, the sand casting process was improved: ① The melt composite treatment process is adopted. At the same time of argon rotary injection, the refining and modification primary treatment agent is added. After the...
Lost foam casting and sand casting are two popular methods used in the metal casting industry. While both techniques are used to produce metal parts, there are significant differences between them in terms of the process, complexity, cost, and the types of parts they can produce. Here’s a comparative...
Grey cast iron is widely used in a variety of industries due to its unique properties, including excellent castability, high wear resistance, good machinability, and superior vibration damping capacity. Given its widespread usage, understanding the casting processes involved in creating components from grey cast iron is crucial. This article...
Achieving dimensional stability in sand castings can be challenging due to the inherent properties of sand molds and the solidification process of the metal. However, heat treatment strategies can be employed to help minimize dimensional changes and improve stability. Here are some heat treatment techniques commonly used for achieving...
According to the structure and working conditions of the cylinder head of the combat vehicle diesel engine, taking into account the production efficiency and yield of the sand casting, the anti-gravity sand casting process is selected to ensure the internal quality and mechanical properties of the cylinder head casting....
Heat treatment plays a vital role in enhancing the material properties and performance of sand castings. Sand castings are made by pouring molten metal into a sand mold, and the resulting casting often requires heat treatment to achieve the desired mechanical and metallurgical characteristics. Here are some ways in...
With the rapid development of the global automotive industry, lightweight and low fuel consumption have become the main goals of domestic automobiles. Compared with cast iron, aluminum engines have many advantages and have been widely recognized in the automotive industry market. In the field of high-end weapons and equipment,...
Porosity is a common problem in sand casting that can affect the final product’s performance and appearance. To maintain high quality, it is essential to detect and measure porosity in the produced parts. This article will explore several techniques commonly used for this purpose. Visual Inspection: The simplest method...