Establishment of inverse calculation program for interface heat transfer coefficient in sand mold casting
It mainly arranges and analyzes the measured and back calculated data, calculates the interface heat flow and interface heat transfer […]
It mainly arranges and analyzes the measured and back calculated data, calculates the interface heat flow and interface heat transfer […]
At present, the research on the inverse calculation of interfacial heat conduction in sand mold casting process mainly focuses on
In the process of metal solidification, the interfacial heat transfer coefficient is affected by many factors, such as sand casting
The study of interfacial heat transfer coefficient in China is relatively late. Inspired by foreign scholars, Hao Weiwei, Chen Jiayu
Since the 1950s, casting engineers have found that the interfacial heat transfer coefficient has a great influence on the change
Sand mold casting is a process of pouring high-temperature liquid metal into the mold cavity, cooling and solidification into rough
The change of interfacial heat transfer coefficient with time obtained by back calculation can only be used to determine the
After the interface heat flow and temperature field data are solved by the inverse calculation program, the part of the
It is inevitable that there are errors in the experiment of heat exchange and temperature measurement in sand mold casting.
The thermophysical parameters used in numerical simulation of solidification process of sand castings mainly include specific heat CP, latent heat
Because the sand mold casting process is very complex and difficult to study, it still depends on experience to a
The rotary disc is the key component on the spindle of drilling machine, which needs high precision and certain hardness.
The characteristic of rotary disc sand mold casting is rectangular. The internal and external shapes of rotary disc sand mold
1. Numerical simulation of bottom pouring inclined gating system in sand mold casting AnyCasting is used for numerical and simulation
1. Analysis of sand casting process The material of sand mold casting rotary disc is HT250, which is a medium-sized
Taking the sand mold casting of the mud pump body as the research object, firstly, the gating system, feeding system
Figure 1 shows the simulation results of temperature field at each time during solidification of mud pump body in sand
By analyzing the simulation results, the rationality of sand mold casting process scheme is judged, and the optimized process scheme
Fig. 1 shows the temperature field changes of sand mold castings at 2S, 40s, 120s and 220s after the molten
The filling process of metal liquid in sand mold casting is a very complex heat exchange process, which is accompanied
The accuracy of the back calculation program needs to be verified. We select the difference between the measured temperature data
The basic theory of heat transfer and the solution method of inverse heat transfer problem are systematically expounded. Combined with
With the help of ProCAST software, the temperature field and flow field in the filling process, temperature field and stress
In order to evaluate the rationality of the optimized process scheme, the software ProCAST needs to be used to simulate
Traditional sand casting mostly constructs the mold cavity and core seat through wood mold or metal pattern. It has an
FE2 has eliminated the internal defects of the casting by increasing the edge-pressing riser. However, due to the increase of
We will continue to explore the characteristic carbon benefit model of process design and the optimization and application of its
Taking the traditional sand casting process design as the object, this paper mainly studies the process carbon benefit modeling and
The process parameters related to the characteristics of sand casting process design are taken as the optimization object, and the
In order to effectively analyze the comprehensive benefits of carbon emission, production time and resource cost of foundry enterprises, the