Lost foam casting coating modeling
After putting the mold coated with lost foam casting paint into the sand box containing bottom sand, fill the sand […]
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Scientific
Mechanical bending strength of HT150 gray iron castings directly produced by water slag iron smelting
Bending strength refers to the ability of materials to bend and crack continuously. HT150 has certain mechanical strength and good
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Determination of thermophysical parameters of materials for sand mold casting
The thermophysical parameters used in numerical simulation of solidification process of sand castings mainly include specific heat CP, latent heat
Scientific
Effect of square model on filling speed of liquid metal in lost foam casting
The external geometric dimension is 200mmx100mm, the internal geometric dimension is 150mmx50mm, and the thickness of the model is 20mm.
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Casting coating application turbine housing
The roughness index of the inner cavity of the turbine casing casting channel has an important impact on the engine
Scientific
Mechanical tensile strength of HT150 gray iron castings directly produced by water slag iron smelting
HT150 belongs to medium strength gray iron castings. Gray iron has good casting performance, simple process and small casting stress,
Scientific
Influence of pouring mode on average mold filling speed of liquid metal in lost foam casting
The test results are shown in the table: Pouring position Total mold filling time (s) Average filling speed (cm/s) Side
Scientific
Pretreatment of lost foam casting simulation based on ProCAST
Lost foam casting is a special gravity casting. Because of the existence of foam solid shape in the cavity, it
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Prediction of porosity and shrinkage defects in sand casting
Shrinkage and porosity defects are common defects in sand casting production. The main purpose of numerical simulation of temperature field
Scientific
Influence of coating permeability on mold filling speed in Lost Foam Casting
Paint Total mold filling time (s) Average filling speed (cm/s) Low permeability coating 1.18 17.00 Medium permeability coating 1.14 17.54
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Effect of liquid metal hydrostatic head on mold filling speed in Lost Foam Casting
The test results are shown in the table. Sprue height (mm) Total mold filling time (s) Average filling speed (cm/s)
Scientific
Heat transfer in lost foam casting solidification process
The solidification process of castings includes phase change, heat and mass transfer, and the heat transfer phenomenon is in the
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Thermoelastoplastic model in thermal stress model of sand casting
At present, the THERMOELASTIC-PLASTIC model in the thermal stress model of sand casting is widely used. The model does not
Scientific
Stress and deformation analysis of frame sand casting process
Figure 1 shows the displacement and overall deformation distribution of sand casting frame after cooling, dropping and unpacking. As can
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Numerical simulation of water glass sand casting process of rolling mill frame
Reasonable experimental device is designed for the measurement of thermophysical parameters of glass quartz sand used in actual sand casting
Scientific
Effect of pattern density on mold filling speed of liquid metal in Lost Foam Casting
The test results are shown in the table. Pattern density (g/I) Total mold filling time (s) Average filling speed (cm/s)
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Influence of pouring temperature on mold filling speed in lost foam casting of gray cast iron
The changing trend of the influence of pouring temperature on the average mold filling speed of molten metal in lost
Scientific
Analysis of residual stress in cooling process of frame sand casting process
After the sand casting frame is poured, it is cooled in the mold cavity until the central riser reaches a
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Numerical simulation of sand casting process
With the rapid development of China’s energy, metallurgy and other industries, the trend of large-scale equipment urgently needs high-quality steel
Scientific
Effect of negative pressure on filling speed of liquid metal in lost foam casting
In the filling process of liquid metal in gray iron lost foam casting, there is an air gap between the
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Lost foam casting in Italian
Since the early 1980s, fata company of Italy, in cooperation with sapolest company of France, has designed and manufactured several
Scientific
Effect of pouring temperature on mold filling speed of gray cast iron lost foam casting
The test results are shown in the table: Pouring temperature (℃) Total mold filling time (s) Average filling speed (cm/s)
Scientific
Analysis of hot cracking trend in solidification process of frame sand casting process
In the post-processing results of stress field in ProCAST software, there is an option to judge the hot crack trend
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Development of numerical simulation of sand casting in China
China has also carried out numerical simulation research on solidification of sand castings since 1978. Although it started relatively late,
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Classification of lost foam casting production in China
In terms of lost foam casting for mass production, it can be divided into two categories according to the current
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Coating and dry operation of lost foam casting coating
Lost foam casting coating is different from traditional sand mold coating. The surface of lost foam castings is the inner
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Lost foam casting in UK
In Britain, the earliest application of lost foam casting is the British cast steel research and Trade Association, whose method
Scientific
Distribution of thermal stress field during solidification of frame sand casting process
Due to the thick section structure and long solidification time of sand casting frame steel castings, the stress field in
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Foreign progress in numerical simulation of sand casting
The research field of Solidification Numerical Simulation of sand castings abroad started early, which began in the 1960s. Its development
Scientific
Properties of bimetal composite pipe by centrifugal casting
High wear resistance, high hardness and good toughness are important indexes of bimetal composite pipe, which are directly related to