As shown in the figure, the shrinkage cavity distribution with volume fraction greater than 0.05 predicted by numerical simulation technology […]
One layer of refractory coating hung on the outer surface of the foam plastic model is one of the three
The figure shows the numerical simulation solidification of the gearbox at different times. It can be seen from the figure
The process flow of lost foam casting is divided into two parts: white area and black area. (1) the process
The picture shows the filling state diagram of the gearbox case at different times, of which yellow is metal liquid.
lost foam casting process technology, usually referred to as EPC in English, is also known as gasification mold casting or
In the process of lost foam casting, high temperature molten metal can quickly decompose foam pattern after contacting with foam.
With the development of industrialization in China, ductile iron has become the main metal material in industrial production due to
The bimetallic liquid lost foam composite casting technology is adopted to carry out the process sample by winding the iron
Lost foam casting process is known as “new casting technology representing the 21st century” and “green engineering of casting” for
1) In terms of material thermophysical parameters: as the actual measurement of material thermophysical parameters requires huge financial resources and
The lost foam casting process of nodular cast iron was studied by using ProCAST software and visual environment software. The
The lost foam casting Pouring Scheme of ductile iron mainly includes pattern making, layout of ductile iron castings, design of
The filling process of lost foam casting is different from the traditional filling process of hollow sand mold gravity casting.
The above improvement scheme is used to verify the pouring production. Figure 1 is the foam pattern cluster and the
The mold filling and solidification of the improved process are simulated, and the following results are obtained: 1) Results of
Fig. 1 is a sectional view of the solidification time distribution during bottom injection. It can be seen that the
Figure 1 a) ~ g) shows the change process of mold filling temperature field of bottom injection trial production scheme.
The powerful surface function of UG is used to carry out three-dimensional modeling of complex long forks. The feature modeling
ZHY casting successively adopts two trial casting schemes of bottom injection and top injection to produce the complex ductile iron
The material of a flat casting is aluminum alloy alsi17cu3. The liquidus temperature is 636 ℃, the solidus temperature is
The methods for solving the differential equation of heat conduction in solidification process mainly include finite element method (FEM), finite
The high appearance quality of lost foam casting products is one of its advantages, but its internal quality is difficult
New production process of gray iron castings produced by direct ironmaking with water slag iron is introduced. The metallographic analysis
Gray iron pressure bearing part is the underframe of an elevator. It is used to fix the traction motor of
The direct production of gray iron lost foam castings by using water slag iron smelting can melt the water slag
Water slag iron is formed from the waste slag in the high-frequency steelmaking furnace by rapid cooling in water. It
The simulation software of lost foam casting simulation is ProCAST and visual environment. ProCAST can accurately simulate the flow process
In the process of lost foam casting molding, solidification is the process of metal liquid gradually cooling from liquid phase
Although lost foam casting has been successfully applied in the actual production of iron castings, the cognition and understanding of
