Finite element mesh generation of mud pump body in sand casting
Mesh generation is the basis of numerical simulation. At present, there are two main methods of division, namely, finite difference […]
Mesh generation is the basis of numerical simulation. At present, there are two main methods of division, namely, finite difference […]
The new sand process scheme of sand mold casting and the reclaimed sand plus new sand process scheme pour 8
During the solidification process of sand casting, the volume of steel castings will shrink, and shrinkage porosity, shrinkage cavity and
It can be seen from the simulation results that the pouring system of the mud pump body of sand casting
Scheme I The casting mud pump body adopts single bag and single hole pouring, and the diameter of the injection
① Sand casting process scheme The sand casting process scheme adopts the top pouring system. All the workpieces are in
Due to the differences in product structure, weight, process equipment of production enterprises, production conditions and process technology level, there
Ester hardened sodium silicate self hardening sand process is a new generation of self hardening sand process developed on the
The pouring process of sand casting is a very important link in the whole casting process. Usually, many foundries regard
It is necessary to establish an effective three-dimensional model when using ProCAST to analyze the filling process of sand casting
When designing the structure of sand castings, we should not only consider the requirements of mechanical properties and working performance,
The mud pump body of sand casting is made of ZG35, which belongs to medium carbon cast steel, with high
Crack casting defect is the biggest obstacle restricting the popularization and application of furan resin sand process in steel castings.
The manufacturing of motor shell steel castings is relatively complex, mainly including sand casting, smelting and pouring, heat treatment, flaw
Most of the previous studies put forward the thermodynamic and dynamic conditions of hot crack formation from the perspective of
Ester cured alkali phenolic resin is a phenolic resin formed by condensation polymerization of phenol and formaldehyde catalyzed by strong
There are two kinds of sodium silicate sand processes, CO2 sodium silicate sand process and ester hardened sodium silicate self
According to the type of manufacturing process, the motor shell can be divided into welded motor shell and sand casting
The traditional process design mainly depends on theoretical calculation and production experience. After determining the sand mold casting gating system
There are two main classification methods for sand casting gating system of mud pump body: one is that it can
The weight of the steel casting of the motor shell is 381kg, which is similar to the barrel structure. The
In view of the serious casting defects in the small batch production process of ZHY Casting motor shell steel castings,
The formation mechanism and influencing factors of hot crack casting defects are very complex. So far, there are three main
The name of furan resin sand comes from furan no bake process in English. Furan resin sand casting is a
The sand casting gating system of the mud pump body is not only the channel for the metal liquid to
Use the tool with diameter d = 30mm and bottom corner radius r = 2mm for semi rough machining, create
It is difficult to obtain accurate input parameters in sand casting simulation. For material properties, although sand casting simulation software
The figure below is a cloud diagram of local solidification time of sand casting coupling parts. At 81 seconds, the
The application of sand mold casting simulation should not only find out the causes of defects, but also put forward
The specific optimization measures are as follows: set annular external cold iron in sand core 2. The purpose of this