Lost foam casting theory
Lost foam casting is formed by foamed plastic beads (EPS, EPMMA or STMMA) after foaming and molding in the mold, […]
Lost foam casting is formed by foamed plastic beads (EPS, EPMMA or STMMA) after foaming and molding in the mold, […]
At present, the application of computer in simulation casting process mainly focuses on the following aspects: (1) Simulation of mold
There are many classification methods of stainless steel materials: austenite, martensite, ferrite and dual phase structure; There are chromium and
(1) Development of water-based quick drying and self drying casting coatings The water-based casting coating has the advantages of low
Relevant research in China began in the late 1970s. Although it started late, it developed rapidly. In 1980, Shenyang Foundry
Due to the development and improvement of the output and technical level of China’s steel industry, the demand and standard
Gray cast iron is the most widely used cast iron at present. It is named for its gray section color.
As early as 1940, computer technology had just started. Victor paschkis of Columbia University in the United States put forward
Water slag is formed by rapidly cooling the blast furnace slag in the hot-melt steel-making high-frequency furnace in water. There
China began to explore the lost foam casting process in the 1960s, which has a history of more than 50
Because lost foam casting has many outstanding advantages, more and more foundry workers at home and abroad began to study
The simulation of sand casting process by computer is the frontier field of the development of global sand casting industry,
The United States is one of the first countries to use the lost foam casting method in foreign countries. MIT
By using CAE technology flow, as long as the sand casting pattern, mold material, thermal physical parameters, solidification characteristics and
Lost foam casting is a new casting technology developed in the early 1980s. Because of its simple production process, good
The main innovation of the research on the numerical simulation and application of sand casting molding process is that it
Although a large number of valuable achievements have been made in the past few decades, some important research still puzzles
Sand casting industry is an ancient and very important traditional industry. Whether in developed countries or developing countries, sand casting
Lost foam casting process is different from other casting methods. Lost foam casting process is a new casting method formed
The thermophysical parameters of glass quartz sand mold used in actual sand mold casting production were tested by means of
Many observations and experiments have shown that the liquid metal is filled radially forward in the filling process of lost
The filling process of lost foam casting has a decisive influence on the quality of castings. Due to the existence
The solidification simulation analysis of temperature field adopts “instantaneous filling”, that is, the influence of the pouring and filling process
Compared with the traditional casting method, lost foam casting is very simple to box and remove sand. Due to the
Pouring has a great influence on the quality of castings. The more complex the pattern is, the more important it
Sand casting steel rolling stand is a typical large steel casting widely used. It is one of the important components
After putting the mold coated with lost foam casting paint into the sand box containing bottom sand, fill the sand
The thermophysical parameters used in numerical simulation of solidification process of sand castings mainly include specific heat CP, latent heat
The roughness index of the inner cavity of the turbine casing casting channel has an important impact on the engine
Shrinkage and porosity defects are common defects in sand casting production. The main purpose of numerical simulation of temperature field