The above improvement scheme is used to verify the pouring production. Figure 1 is the foam pattern cluster and the […]
The quenching medium used for nodular cast iron grinding ball should have the following two characteristics: 1) The quenching medium
In order to overcome the shortcomings in the traditional production of ADI grinding balls, it is necessary to find cheap
High chromium white cast iron is selected as the grinding ball of high chromium cast iron, and the mass fraction
In the process of metal solidification, the interfacial heat transfer coefficient is affected by many factors, such as sand casting
The mold filling and solidification of the improved process are simulated, and the following results are obtained: 1) Results of
Low chromium white cast iron is used as the grinding ball of low chromium cast iron. The chromium content is
The study of interfacial heat transfer coefficient in China is relatively late. Inspired by foreign scholars, Hao Weiwei, Chen Jiayu
In recent ten years, based on the research on the development of grinding ball materials at home and abroad, China
According to the trial production and simulation results of the two schemes of bottom injection and top injection, the bottom
1. Causes Cracking of the supporting wheel The crack shape of the casting defect is fine and straight. The crack
The systematic study of wear-resistant materials has a history of more than 100 years. Different types of wear-resistant materials, such
Since the 1950s, casting engineers have found that the interfacial heat transfer coefficient has a great influence on the change
Comprehensively considering the solidification simulation results and trial production results of the two trial production processes of nodular cast iron
1. Causes In the semi finishing stage after quenching and tempering, it was found that the nozzle end face had
1. Causes Through the collection and analysis of more than 100 casting idlers, a total of 12 casting idlers have
Compared with foreign countries, China’s foundry CAE technology started relatively late, but developed rapidly. In the late 1970s, the foundry
1. Casting process plan The supporting roller is generally made of ZG42Cr1Mo, ZG35Cr1Mo or similar materials. The hardness of the
Figure 1 a) ~ C) shows the top injection solidification process. In step 620, it can be seen that the
1. Causes The sand mold at the upper part of the outer rim of the casting supporting roller is a
Industrial rotary kilns are widely used in cement, metallurgical pellets, active lime, chemical and other industries. The supporting roller is
The casting simulation technology originated in the 1940s. With the support of the American Foundry Association, Professor paschkis of Columbia
Sand mold casting is a process of pouring high-temperature liquid metal into the mold cavity, cooling and solidification into rough
Fig. 1 a) ~ F) shows the change process of mold filling temperature field of top injection trial production scheme.
The casting process design and casting process of high strength and Toughness Nodular Cast Iron for automobile hub support were
Fig. 1 is a sectional view of the solidification time distribution during bottom injection. It can be seen that the
1.Optimize the sprue The vertical sprue is changed to a “2” shape sprue, that is, a bend is set on
According to the structural characteristics of the product and referring to the results of similar products after production, two process
Starting from the practical application of sand casting production process, the process design and material properties of nodular cast iron
Figure 1 a) ~ g) shows the change process of mold filling temperature field of bottom injection trial production scheme.
